CN103381497A - Centering spiral cutter for combined positioning and combined cutting - Google Patents
Centering spiral cutter for combined positioning and combined cutting Download PDFInfo
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- CN103381497A CN103381497A CN2012101460338A CN201210146033A CN103381497A CN 103381497 A CN103381497 A CN 103381497A CN 2012101460338 A CN2012101460338 A CN 2012101460338A CN 201210146033 A CN201210146033 A CN 201210146033A CN 103381497 A CN103381497 A CN 103381497A
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Abstract
The invention provides a centering spiral cutter for combined positioning and combined cutting, and mainly relates to sheet metal twist drills. The centering spiral cutter is high in stability and heat radiating efficiency, and long in service life, comprises a tool bit, and is characterized in that the relation between the height of an anti-crack slitting table or an efficient slitting table and that of an adjacent efficient slitting table on an inner side is defined; the included angle between a combination spiral cutting surface and an adjacent combination positioning decomposing table is larger than or equal to 90 degrees, the heights of adjacent combination spiral cutting surfaces are larger than or equal to 0.01mm, smaller than four fifths of the thickness of discharged chips, or smaller than or equal to nine times of the height of the cutting feed amount, the width of the anti-crack slitting table is larger than 0.6 mm, or smaller than or equal to one third of the diameter of the tool bit, or a spiral groove is formed in the combination spiral cutting surface.
Description
Technical field:
The present invention relates to the centering helical tooth blade of a kind of compound location combined cut, the centering helical tooth blade of this compound location combined cut is used for drilling machine processing and pincers worker maintenance.
Background technology:
at present, the fluted drill that uses in machining is by chisel edge, cutting edge, the screw pair sword, side edge consists of, cutting edge and secondary sword roughly are single structure, adjective-centre structure is poor, the mode that the composite screw face is set on helicoid is less than or equal to the angle of 120 ° because forming with former helicoid, the part that protrude in the oriented helicoid outside, very easily fracture, these fluted drill utmost points are not durable, especially when boring the higher workpiece of milling hardness, produce a large amount of heat, the lower hardness that causes cutter head, cause the wearing and tearing of cutter head, also there is the defective of frangibility in this cutter head simultaneously, and, symmetrical due to the cutting edge on cutter head both sides when the work, and cutting output is only generally that tens of microns are to 1 millimeter, so be difficult to grasp angle and height when artificial reconditioning, in addition, the precision in these fluted drills and the hole that processes is defective, waste product very easily appears, simultaneously, also exist when processing thinner workpiece workpiece is taken up the problem that causes industrial accident.
Summary of the invention:
The present invention is exactly in view of the above-mentioned problems and proposes, and take centering helical tooth blade that a kind of novel compound location combined cut is provided as purpose, this kind cutter radiating efficiency is high, and intensity is large, and the life-span is long, and adds in drilling and easily locate man-hour.
For achieving the above object, the present invention adopts following technical proposals:
the centering helical tooth blade of a kind of compound location combined cut, relate generally to the panel beating fluted drill for thin plate or antarafacial shape workpiece or maintenance service, comprise cutterhead, cutterhead is provided with at least one spiral bar integratedly, has a screw pair cutting edge on each spiral bar, be formed with the screw pair cutting face along the outside of this screw pair cutting edge, the front portion towards cutting direction of screw pair cutting edge is formed with spiral cutting face, face in the spiral cutting face rear side of cutterhead axial centre front end spiral bar is rear cutting face, it is characterized in that: on the centering helical tooth blade of compound location combined cut, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the spiral cutting face of direction of rotation, the composite screw cutting face of one-level inboard at least that is provided with through arc convex or oblique raised step shape projection, or the extension that erects of arc convex or oblique projection, be formed with the compound location of intersecting with the composite screw cutting face of inboard and decompose platform, the spiral cutting face of arranged in step shape is for efficiently cutting platform, the cutting edge of arranged in step shape or spiral cutting sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or arc convex or oblique projection extend to front end vertically, or extend on cutting edge or spiral cutting sword to the rear portion arc, be formed with the recessed sword of side or skew back sword, or cracking resistance is cut platform, or efficiently cut platform, or platform is decomposed in compound location, or arc convex or oblique projection, or compound location decomposition platform extends to axial forward end, intersect with rear cutting face and be formed with, at least cutting blade is divided in one-level location minute cutting blade or compound location, or one-level side edge or compound side edge at least, or the center chisel edge of the apex point that arranges in center, cutterhead top or the two ends of sharp sword, respectively form a centering fillet surface through chamfering, crossing being formed with in the rear cutting face of centering chamfer face and apex point is less than or equal to the angle of 120 °, form a chisel edge between the centering chamfer face of both sides or without the sharp sword of chisel edge, or the rear cutting face at centering chamfer face and apex point place is intersected and being formed with a centering minute cutting blade, the outside of centering minute cutting blade is location minute cutting blade, point sword or chisel edge, or on the rear cutting face between apex point and outermost side edge, relatively depression is provided with Baltimore groove, or dovetail groove, or square groove, or del groove, or deep-slotted chip breaker, or shaped groove, or cutting face after planar shaped, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the inboard of the compound location decomposition of spiral platform, be formed with at least one-level composite screw cutting face and be spiral compound location and cut platform, form the composite screw cutting face of the arranged in step shape of one-level composite construction at least with former spiral cutting face, or cracking resistance is cut the height of combined cut face of platform and adjacent inboard for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or on the composite screw cutting face, one-level helical groove at least is set, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges the centering helical tooth blade of formed compound location combined cut on helical tooth blade.
the centering helical tooth blade of a kind of compound location combined cut, relate generally to the panel beating fluted drill for thin plate or antarafacial shape workpiece or maintenance service, comprise cutterhead, cutterhead is provided with at least one spiral bar integratedly, has a screw pair cutting edge on each spiral bar, be formed with the screw pair cutting face along the outside of this screw pair cutting edge, the front portion towards cutting direction of screw pair cutting edge is formed with spiral cutting face, face in the spiral cutting face rear side of cutterhead axial centre front end spiral bar is rear cutting face, on the centering helical tooth blade of compound location combined cut, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the spiral cutting face of direction of rotation, the composite screw cutting face of one-level inboard at least that is provided with through arc convex or oblique raised step shape projection, or the extension that erects of arc convex or oblique projection, be formed with the compound location of intersecting with the composite screw cutting face of inboard and decompose platform, the spiral cutting face of arranged in step shape is for efficiently cutting platform, the cutting edge of arranged in step shape or spiral cutting sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or arc convex or oblique projection extend to front end vertically, or extend on cutting edge or spiral cutting sword to the rear portion arc, be formed with the recessed sword of side or skew back sword, or cracking resistance is cut platform, or efficiently cut platform, or platform is decomposed in compound location, or arc convex or oblique projection, or compound location decomposition platform extends to axial forward end, intersect with rear cutting face and be formed with, at least cutting blade is divided in one-level location minute cutting blade or compound location, or one-level side edge or compound side edge at least, or the center chisel edge of the apex point that arranges in center, cutterhead top or the two ends of sharp sword, respectively form a centering fillet surface through chamfering, crossing being formed with in the rear cutting face of centering chamfer face and apex point is less than or equal to the angle of 120 °, form a chisel edge between the centering chamfer face of both sides or without the sharp sword of chisel edge, or the rear cutting face at centering chamfer face and apex point place is intersected and being formed with a centering minute cutting blade, the outside of centering minute cutting blade is location minute cutting blade, point sword or chisel edge, or on the rear cutting face between apex point and outermost side edge, relatively depression is provided with Baltimore groove, or dovetail groove, or square groove, or del groove, or deep-slotted chip breaker, or shaped groove, or cutting face after planar shaped, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the inboard of the compound location decomposition of spiral platform, be formed with at least one-level composite screw cutting face and be spiral compound location and cut platform, form the composite screw cutting face of the arranged in step shape of one-level composite construction at least with former spiral cutting face, or cracking resistance is cut the height of combined cut face of platform and adjacent inboard for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or on the composite screw cutting face, one-level helical groove at least is set, the formed centering helical tooth blade of any one of above structure or any combination, it is characterized in that: cracking resistance is cut platform, or efficiently cut platform and compound decomposition platform and intersect, be formed with the angle more than or equal to 90 °, the protrusion of intersection one is provided with arc convex or oblique projection, or cracking resistance is cut platform and is, the corner that the cutting edge that intersect to form with rear cutting face at the spiral cutting face of the cutter shaft forward end of centering helical tooth blade and screw pair cutting edge are crossing, the part arranges the cracking resistance cutting table, and be formed with respectively and efficiently cut platform, the cutting edge that intersects with rear cutting face, or local screw pair cutting edge is the cracking resistance cutting edge, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges the centering helical tooth blade of formed compound location combined cut on helical tooth blade.
the centering helical tooth blade of a kind of compound location combined cut, relate generally to the panel beating fluted drill for thin plate or antarafacial shape workpiece or maintenance service, comprise cutterhead, cutterhead is provided with at least one spiral bar integratedly, has a screw pair cutting edge on each spiral bar, be formed with the screw pair cutting face along the outside of this screw pair cutting edge, the front portion towards cutting direction of screw pair cutting edge is formed with spiral cutting face, face in the spiral cutting face rear side of cutterhead axial centre front end spiral bar is rear cutting face, on the centering helical tooth blade of compound location combined cut, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the spiral cutting face of direction of rotation, the composite screw cutting face of one-level inboard at least that is provided with through arc convex or oblique raised step shape projection, or the extension that erects of arc convex or oblique projection, be formed with the compound location of intersecting with the composite screw cutting face of inboard and decompose platform, the spiral cutting face of arranged in step shape is for efficiently cutting platform, the cutting edge of arranged in step shape or spiral cutting sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or arc convex or oblique projection extend to front end vertically, or extend on cutting edge or spiral cutting sword to the rear portion arc, be formed with the recessed sword of side or skew back sword, or cracking resistance is cut platform, or efficiently cut platform, or platform is decomposed in compound location, or arc convex or oblique projection, or compound location decomposition platform extends to axial forward end, intersect with rear cutting face and be formed with, at least cutting blade is divided in one-level location minute cutting blade or compound location, or one-level side edge or compound side edge at least, or the center chisel edge of the apex point that arranges in center, cutterhead top or the two ends of sharp sword, respectively form a centering fillet surface through chamfering, crossing being formed with in the rear cutting face of centering chamfer face and apex point is less than or equal to the angle of 120 °, form a chisel edge between the centering chamfer face of both sides or without the sharp sword of chisel edge, or the rear cutting face at centering chamfer face and apex point place is intersected and being formed with a centering minute cutting blade, the outside of centering minute cutting blade is location minute cutting blade, point sword or chisel edge, or on the rear cutting face between apex point and outermost side edge, relatively depression is provided with Baltimore groove, or dovetail groove, or square groove, or del groove, or deep-slotted chip breaker, or shaped groove, or cutting face after planar shaped, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the inboard of the compound location decomposition of spiral platform, be formed with at least one-level composite screw cutting face and be spiral compound location and cut platform, form the composite screw cutting face of the arranged in step shape of one-level composite construction at least with former spiral cutting face, or cracking resistance is cut the height of combined cut face of platform and adjacent inboard for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or on the composite screw cutting face, one-level helical groove at least is set, cracking resistance is cut platform, or efficiently cut platform and compound decomposition platform and intersect, be formed with the angle more than or equal to 90 °, the protrusion of intersection one is provided with arc convex or oblique projection, or cracking resistance is cut platform and is, the corner that the cutting edge that intersect to form with rear cutting face at the spiral cutting face of the cutter shaft forward end of centering helical tooth blade and screw pair cutting edge are crossing, the part arranges the cracking resistance cutting table, and be formed with respectively and efficiently cut platform, the cutting edge that intersects with rear cutting face, or local screw pair cutting edge is the cracking resistance cutting edge, the centering helical tooth blade of the formed a kind of compound location of any one of above structure or any combination combined cut, it is characterized in that: or the compound location decomposition of inboard spiral platform forward end is extended and the crossing compound side edge of one-level at least that is formed with in rear cutting face, the apex point that is provided with in center, cutterhead top projection, efficient minute cutting blade, or cutting blade is divided in compound location, with centering minute cutting blade, or sharp sword, or chisel edge is formed with the S sword, divide in efficient minute cutting blade or compound location and be provided with straight sword on cutting blade, or the ladder sword that reduces highly gradually laterally, or recess sword, or the compound recess sword that overlaps with the recess sword, or with cutterhead longitudinal center line or screw pair cutting edge, the oblique sword of angle is arranged, or with oblique sword, the composite inclined sword of certain angle is arranged, or curved edge, or compound curved sword, or straight sword, or ladder sword, or recess sword, or compound recess sword, or oblique sword, or composite inclined sword, or curved edge, or in the compound curved sword, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges the centering helical tooth blade of formed compound location combined cut on helical tooth blade.
Preferably, be formed with at least one recess sword on the cutting edge of described cutter or minute cutting blade, or the compound recess sword that overlaps on the recess sword, and the cutting face is extended or is amplified shape and extended to form at least one groove or compound groove backward.
Preferably, the spiral cutting face of described cutter, or spiral heat dissipation face or spiral compound location are cut platform and rear cutting face and are intersected and form at least one-level and divide cutting blade or a location minute cutting blade.
Preferably, the location on the top of the cutterhead inboard of the centering helical tooth blade of described compound location combined cut is divided cutting blade to extend to form spiral compound location to drillstock to cut platform.
Preferably, on the spiral cutting face of described cutter, the angle of the cutting edge that outermost and screw pair cutting edge intersect or minute cutting blade and screw pair cutting edge is acute angle or right angle or obtuse angle.
Preferably, the top of a plurality of spiral bar of arranging integratedly of described cutterhead is connected with foregoing cutter tip.
Preferably, the centering helical tooth blade of described compound location combined cut is characterized in that: on the apex point of each spiral bar from the position of tool axis toward the outer side the side of screw pair cutting edge be formed with at least with raising up one-level spiral cutting face and at least the compound location of one-level spiral cut platform and one-level screw pair cutting edge at least.
Preferably, be formed with at least one groove and front cutting face or spiral heat dissipation platform or spiral compound location on the rear cutting face of the centering helical tooth blade of described compound location combined cut and cut platform and intersect and be formed with at least one recess sword, the bottom shape of the bottom shape of groove and recess sword is arbitrary shape.
Preferably, the cutting face of the centering helical tooth blade of described compound location combined cut or spiral heat dissipation face or front cutting face and rear cutting face are intersected and are formed at least one-level and divide cutting blade or a location minute cutting blade.
Preferably, location minute cutting blade and extend to form spiral compound location to drillstock and cut platform is arranged on the cutting edge of the projection of the centering helical tooth blade of described compound location combined cut or apex point.
Preferably, be formed with at least an one-level location minute cutting blade on the apex point of the centering helical tooth blade of described compound location combined cut, platform and one-level screw pair cutting edge are at least cut in the compound location of one-level spiral at least.
Preferably, the cutting edge of the centering helical tooth blade of described compound location combined cut is to be formed with minute cutting blade and little side edge on straight sword or recess sword or inverted trapezoidal sword or triangular edge or square opening sword.
Preferably, the cutting edge that intersects of the centering helical tooth blade outermost of described compound location combined cut and screw pair cutting edge or the angle of minute cutting blade and screw pair cutting edge are acute angle or right angle or obtuse angle.
Preferably, be formed with two-stage screw front cutting edge at least on spiral cutting face.
Preferably, be formed with minute little side edge of cutting blade and compound location of combined cut on described cutting edge.
The angle of minute cutting blade of the combined cut that preferably, forms on cutting edge before the described outside and compound location little side edge outside screw pair cutting edge is an acute angle or right angle or obtuse angle.
Preferably, described spiral bar is at least 1.
Beneficial effect:
cut platform or efficiently cut platform the definition of the relation of the height of efficiently cutting platform adjacent with the inboard by cracking resistance, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, realized the numerical value rule of the cutter that high efficiency centering helical tooth blade suitability for industrialized production is required, detailed restriction by angle and data, further successful realization more high-precision numerical value definite, make the stock-removing efficiency of cutter and reach maximum service life, improved efficient, reduced cost, saved resource.
Description of drawings:
Technical scheme of the present invention and advantage will be described in detail in conjunction with the drawings, in this accompanying drawing:
Fig. 1 is the schematic diagram of centering helical tooth blade of the compound location combined cut of first embodiment of the invention.
Fig. 2 is the schematic diagram of centering helical tooth blade of the compound location combined cut of second embodiment of the invention.
Fig. 3 is the schematic diagram of centering helical tooth blade of the compound location combined cut of third embodiment of the invention
Fig. 4 is the schematic diagram of centering helical tooth blade of the compound location combined cut of four embodiment of the invention.
Fig. 5 is the schematic diagram of centering helical tooth blade of the compound location combined cut of fifth embodiment of the invention.
The specific embodiment:
Explain the preferred embodiment of the centering helical tooth blade of compound location of the present invention combined cut below in conjunction with accompanying drawing, mainly describe as an example of cutter with two spiral bar example in embodiment 1-5.
Embodiment 1:
as shown in Figure 1, the centering helical tooth blade of the compound location combined cut of the first embodiment of the present invention, relate generally to the panel beating fluted drill for thin plate or antarafacial shape workpiece or maintenance service, comprise cutterhead 18, cutterhead 18 is provided with at least one spiral bar integratedly, has a screw pair cutting edge 12 on each spiral bar, be formed with screw pair cutting face 16 along the outside of this screw pair cutting edge 12, the front portion towards cutting direction of screw pair cutting edge 12 is formed with spiral cutting face 22, face in the spiral cutting face rear side of cutterhead axial centre front end spiral bar is rear cutting face 20, on the spiral cutting face of direction of rotation, the composite screw cutting face that is provided with one-level inboard at least 19 through arc convex or oblique protruding 31 stepped projections, or arc convex or oblique protruding 31 extensions that erect, be formed with the compound location of intersecting with the composite screw cutting face of inboard and decompose platform 11, the spiral cutting face of arranged in step shape 22, 19, 24 for efficiently cutting platform, the cutting edge 5 of arranged in step shape, 9, 14 or spiral cutting sword 12, 13, be efficient minute cutting blade, the outermost platform 22 of efficiently cutting is cut platform for cracking resistance, outermost cutting edge 9 or screw pair cutting edge 12 divide cutting blade for cracking resistance, or arc convex or oblique protruding 31 extends to vertically front end or extends on cutting edge or spiral cutting sword to the rear portion arc, be formed with the recessed sword of side or skew back sword 30, or cracking resistance is cut platform, or efficiently cut platform, or platform 11 is decomposed in compound location, or arc convex or oblique protruding 31, or compound location decomposition platform 11 extends to axial forward end, intersect with rear cutting face and be formed with, at least cutting blade 14 is divided in one-level location minute cutting blade 9 or compound location, 5, or one-level side edge 10 or compound side edge 17 at least, or the center chisel edge of the apex point that arranges in cutterhead 18 centers, top or the two ends of sharp sword 1, respectively form a centering fillet surface 23 through chamfering, centering chamfer face 23 is less than or equal to the angle of 120 ° with crossing being formed with in rear cutting face 20 of apex point, form a chisel edge between the centering chamfer face of both sides or without the sharp sword 1 of chisel edge, or centering chamfer face 23 intersects with the rear cutting face 20 at apex point place and being formed with a centering minute cutting blade 3, the outside of centering minute cutting blade 3 is location minute cutting blade 5, point sword or chisel edge 1, or on the rear cutting face 20 between apex point and outermost side edge 10, relatively depression is provided with Baltimore groove, or dovetail groove, or square groove, or del groove, or deep-slotted chip breaker, or shaped groove, or cutting face after planar shaped, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height h that efficiently cuts platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the inboard of the compound location decomposition of spiral platform 11, be formed with one-level composite screw cutting face 19 at least, 24, form the composite screw cutting face of the arranged in step shape of one-level composite construction at least with former spiral cutting face, or cracking resistance is cut the height of combined cut face of platform and adjacent inboard for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width a that cuts platform is for greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or on the composite screw cutting face, one-level helical groove 34 at least is set, cracking resistance is cut platform 22, or efficiently cut platform 19, 24 intersect with compound decomposition platform 11, be formed with the angle more than or equal to 90 °, the protrusion of intersection one is provided with arc convex or oblique protruding 31.
divide cutting blade 9 or cracking resistance cutting edge 35 by cracking resistance, 37, with efficient minute cutting blade 5, the frictional force that 13 arrange reduced side edge 10 and screw pair cutting face 16 has extended cutting-tool's used life, by composite screw cutting face 19, 24 effective stability that improves cutter is set, crudy and precision to workpiece have been guaranteed, outermost height is too small or cross and mostly can not make inboard spiral compound location decompose the effect that platform 11 plays the frictional force in exploded lateral screw pair cutting face 16, screw pair cutting face 16 and at first such cutter damaged in when boring, this is also the principal element that causes decline cutter life.
prove through using according to said structure, cracking resistance is cut the width of platform 22 and cracking resistance and is cut the scope that arranges that the height of platform 19 is efficiently cut in platform 22 and adjacent inboard, that such cutter breaking resistance is the highest, most effective scope, the center of cutterhead 18 top bump be provided with an apex point therefore this cutter have good stability, again owing to being provided with the cutting hardness that has reduced cutterhead 18 when the recess sword makes this cutter at the cutting sheet metal on cutting edge, form the also compound location decomposition of spiral platform 11 along screw pair cutting edge 12, and the front portion towards cutting direction at the compound location decomposition of this spiral platform 11 is formed with composite screw front cutting edge 13, so compare with cutter head in the past, increased again by at least one new composite screw front cutting edge 13, can carry out work with two front cutting edges thus, thereby the cutting force that can decompose front cutting edge, reduce the frictional strength of front cutting edge, the frictional heat generation is reduced, can also increase simultaneously the area of dissipation of cutterhead, reduce the cutterhead temperature, extended cutter life, and keep high strength in process always.
Embodiment 2:
as shown in Figure 2, the centering helical tooth blade of the compound location combined cut of the second embodiment of the present invention, on the basis of the first embodiment, cutting platform in cracking resistance is, intersect the corner that the cutting edge 5 that forms and screw pair cutting edge 12 intersect with rear cutting face 20 at the spiral cutting face 19 of the cutter shaft forward end of centering helical tooth blade, the part arranges cracking resistance cutting table 36, and be formed with respectively and efficiently cut platform 19, 24, the cutting edge 37 that intersects with rear cutting face, or local screw pair cutting edge 35 is cracking resistance cutting edge 35, 37, the centering helical tooth blade of the formed a kind of compound location of any one of above structure or any combination combined cut, or the compound location decomposition of inboard spiral platform forward end is extended and the crossing compound side edge of one-level at least that is formed with in rear cutting face, the apex point that is provided with in center, cutterhead top projection, efficient minute cutting blade, or cutting blade is divided in compound location, with centering minute cutting blade, or sharp sword, or chisel edge is formed with the S sword, divide in efficient minute cutting blade or compound location and be provided with straight sword on cutting blade, or the ladder sword that reduces highly gradually laterally, or recess sword 14, or the compound recess sword that overlaps with the recess sword, or with cutterhead longitudinal center line or screw pair cutting edge, the oblique sword of angle is arranged, or with oblique sword, the composite inclined sword of certain angle is arranged, or curved edge, or compound curved sword, or straight sword, or ladder sword, or recess sword, or compound recess sword, or oblique sword, or composite inclined sword, or curved edge, or in the compound curved sword, the centering helical tooth blade of the formed a kind of compound location of any one of above structure or any combination combined cut.
divide cutting blade 9 or cracking resistance cutting edge 35 by cracking resistance, 37, with efficient minute cutting blade 5, the frictional force that 13 arrange reduced side edge 10 and screw pair cutting face 16 has extended cutting-tool's used life, by composite screw cutting face 19, 24 effective stability that improves cutter is set, crudy and precision to workpiece have been guaranteed, outermost height is too small or cross and mostly can not make inboard spiral compound location decompose the effect that platform 11 plays the frictional force in exploded lateral screw pair cutting face 16, screw pair cutting face 16 and at first such cutter damaged in when boring, this is also the principal element that causes decline cutter life.
prove through using according to said structure, cracking resistance is cut the width of platform 22 and cracking resistance and is cut the scope that arranges that the height of platform 19 is efficiently cut in platform 22 and adjacent inboard, that such cutter breaking resistance is the highest, most effective scope, the center of cutterhead 18 top bump be provided with an apex point therefore this cutter have good stability, again owing to being provided with the cutting hardness that has reduced cutterhead 18 when the recess sword makes this cutter at the cutting sheet metal on cutting edge, form the also compound location decomposition of spiral platform 11 along screw pair cutting edge 12, and the front portion towards cutting direction at the compound location decomposition of this spiral platform 11 is formed with composite screw front cutting edge 13, so compare with cutter head in the past, increased again by at least one new composite screw front cutting edge 13, can carry out work with two front cutting edges thus, thereby the cutting force that can decompose front cutting edge, reduce the frictional strength of front cutting edge, the frictional heat generation is reduced, can also increase simultaneously the area of dissipation of cutterhead, reduce the cutterhead temperature, extended cutter life, and keep high strength in process always.
By cutterhead being made the structure as being, can enlarge the scope of application of cutter of the present invention, can be applied in the processing of multiple uneven workpiece, can prevent effectively that cutterhead from collapsing tooth.
Embodiment 3:
as shown in Figure 3, the centering helical tooth blade of the compound location combined cut of the 3rd embodiment of the present invention, first---on the basis of two embodiments, present embodiment comprises cutterhead 18, cutterhead 18 is provided with two spiral bar integratedly, the face towards cutting direction of spiral bar is spiral cutting face, the top rear side of spiral cutting face is rear cutting face 20, the outermost surface of spiral bar is screw pair cutting face 16, be formed with screw pair cutting edge 12 between screw pair cutting face 16 and outermost spiral cutting face, the screw pair cutting face of inner bulge is that platform 11 is cut in spiral compound location, composite screw front cutting edge 13, outermost spiral cutting face is namely efficiently cut platform 5, screw pair cutting face 16 and the crossing side edge 10 that is formed with in rear cutting face 20, spiral cutting face and the crossing high-efficient cutting sword 5 that is formed with in rear cutting face 20, rear cutting face 20 with efficiently cut platform 5 and intersect and be formed with efficient minute cutting blade 9, the recessed sword of side or skew back sword 30, cutting platform 11 with spiral compound location intersects and is formed with compound side edge 17, on rear cutting face 20, fluted 21 intersect with cutting face 19 and are formed with recess sword 14, because this recess sword 14 outwards is extended down to side edge 10, therefore an efficient minute cutting blade 9 is also the part of recess sword 14, the bottom of recess sword 14 can be trapezoidal, arc, triangle, square and other arbitrary shape, the top central protuberance of the centering helical tooth blade of compound location combined cut be provided with an apex point, the tip of apex point is top or chisel edge 1, its both sides respectively arrange a chamfering, cutting bevel 23, both sides top or chisel edge 1 respectively have a centering to cut sword 2, the outside of centering minute cutting blade 2 is location minute cutting blade 3, locating pair cutting edge 6, high-efficient cutting sword 5, on rear cutting face 20, fluted 21 intersect with spiral cutting face 19 and are formed with recess sword 14, the bottom of this recess sword 14 can be trapezoidal, or arc, or triangle, or square and other curved cutting edge.
the centering helical tooth blade of the compound location combined cut of the 3rd embodiment, first, in the structure of two embodiments, the outside at the high-efficient cutting sword 5 of each spiral bar, an efficient minute cutting blade 9 is processed into and groove 21, the part of recess sword 14, the center of apex point is arranged to parallel with two outer edge 10 or is had the chisel edge 1 of minimum angle to make the positioning cutting sword 3 of both sides and centering minute cutting blade 2 form the S sword with chisel edge 1, extended each cutting edge sum and made centering minute cutting blade 2, location minute the stressed of cutting blade 3 reduces, improved the stability of cutter, extended the service life of cutterhead.
By so consisting of, on the basis of the technique effect of embodiment 1-2, due to the centre of location that has formed a compound location combined cut on common cutter head in the past, can better locate, further improve machining accuracy in process, and prevent from because locating shakiness, problem that workpiece is taken up occuring when the thinner workpiece of drilling, can effectively prevent the generation of burr simultaneously when the workpiece of the easy grain raising of drilling.
Embodiment 4:
as shown in Figure 4, the centering helical tooth blade of the compound location combined cut of the 4th embodiment of the present invention, first---three execute on the basis of mode, present embodiment comprises cutterhead 18, cutterhead 18 is provided with two spiral bar integratedly, the face towards cutting direction of spiral bar is spiral cutting face, the top rear side of spiral cutting face is rear cutting face 20, the outermost surface of spiral bar is helical stand 16, side edge 10 with the top, be formed with screw pair cutting edge 12 between screw pair cutting face 16 and spiral cutting face, inboard screw pair cutting face is that platform 11 is cut in spiral compound location, composite screw front cutting edge 13, outermost spiral cutting face is namely efficiently cut platform 5, screw pair cutting face 16 and the crossing side edge 10 that is formed with in rear cutting face 20, spiral cutting face and the crossing high-efficient cutting sword 5 that is formed with in rear cutting face 20, rear cutting face 20 with efficiently cut platform 5 and intersect and be formed with efficient minute cutting blade 9, the recessed sword of side or skew back sword 30, cutting platform 11 with spiral compound location intersects and is formed with compound side edge 17, rear cutting face 20 is intersected with spiral cutting face and is formed with straight high-efficient cutting sword 5, the top central protuberance of the centering helical tooth blade of compound location combined cut be provided with an apex point, the tip of apex point is top or chisel edge 1, its both sides respectively arrange a chamfering, cutting bevel 23, both sides top or chisel edge 1 respectively have a centering to cut sword 2, the outside of centering minute cutting blade 2 is location minute cutting blade 3, positioning table 24 and little side edge 4 and positioning cutting sword 5 and locating pair cutting edge 6, the compound locating pair cutting edge 7 of the anterior projection of apex point, high-efficient cutting sword 5.
In the structure of the one two three embodiment, be that a straight straight sword high-efficient cutting sword 5 arranges the spiral heat dissipation platform 11 in inboard compound setting screw platform 24 and the outside thereby improved stock-removing efficiency and the stability of cutterhead on the helical stand on apex point and the outside at described efficient minute cutting blade 5, extended the service life of cutterhead.
By so consisting of, on the basis of the technique effect of embodiment 1, owing to therefore having processed the garden platform at described cutting edge on workpiece for sword always and can having raised the efficiency greatly and extend service life of cutterhead.
Embodiment 5:
as shown in Figure 5, the centering helical tooth blade of the compound location combined cut of the 5th embodiment of the present invention, first---on the basis of four embodiments, present embodiment comprises cutterhead 18, cutterhead 18 is provided with two spiral bar integratedly, the face towards cutting direction of spiral bar is spiral cutting face, the top rear side of spiral cutting face is rear cutting face 20, the outermost surface of spiral bar is screw pair cutting face 16, be formed with screw pair cutting edge 12 between screw pair cutting face 16 and outermost spiral cutting face, the screw pair cutting face of inner bulge is that platform 11 is cut in spiral compound location, composite screw front cutting edge 13, outermost spiral cutting face is namely efficiently cut platform 5, screw pair cutting face 16 and the crossing side edge 10 that is formed with in rear cutting face 20, spiral cutting face and the crossing high-efficient cutting sword 5 that is formed with in rear cutting face 20, rear cutting face 20 with efficiently cut platform 5 and intersect and be formed with efficient minute cutting blade 9, the recessed sword of side or skew back sword 30, cutting platform 11 with spiral compound location intersects and is formed with compound side edge 17, on rear cutting face 20, fluted 21 intersect with spiral cutting face and are formed with recess sword 14, because this recess sword 14 outwards is extended down to side edge 10, therefore an efficient minute cutting blade 9 is also the part of recess sword 14, the bottom of recess sword 14 can be trapezoidal, arc, lune, square and other arbitrary shape, the top central protuberance of the centering helical tooth blade of compound location combined cut be provided with an apex point, the tip of apex point is top or chisel edge 1, its both sides respectively arrange a chamfering, cutting bevel 23, both sides top or chisel edge 1 respectively have a centering to cut sword 2 one-level helical groove 34 is set on the composite screw cutting face at least intersects with rear cutting face 20 and be formed with recess sword 33.
the centering helical tooth blade of the compound location combined cut of the 5th embodiment, in the structure of the first-four embodiment, the efficient outside of dividing cutting blade 5 in each spiral bar, an efficient minute cutting blade 9 is processed into and groove 21, the part of recess sword 14, near the center of apex point spiral compound location is cut and a helical groove 33 is set on platform 11 is conducive to the cutter cooling, the center of apex point is arranged to parallel with two outer edge 10 or is had the chisel edge 1 of minimum angle to make the centering of both sides divide cutting blade 2 and chisel edge 1 to form the S sword, extended each cutting edge sum and centering minute the stressed of cutting blade 2 reduced, improved the stability of cutter, extended the service life of cutterhead.
By so consisting of, on the basis of the technique effect of embodiment 1-4, due to the centre of location that has formed a compound location combined cut on common cutter head in the past, can better locate, further improve machining accuracy in process, and prevent from because locating shakiness, problem that workpiece is taken up occuring when the thinner workpiece of drilling, can effectively prevent the generation of burr simultaneously when the workpiece of the easy grain raising of drilling.
according to said structure, provide the cracking resistance that arranges on cutterhead 18 and cut width or the height of platform, and the above data of angle are going out through practice, as surpassing this scope, will have a greatly reduced quality in efficient or service life, this kind cutter can decompose the cutting force of cutting edge, reduce the frictional strength of cutting edge, especially the frictional force frictional heat generation that has reduced the screw pair cutting face reduces, can also increase simultaneously the area of dissipation of cutterhead, reduce the cutterhead temperature, decompose cutting edge stressed of flimsy outer end of cutter, extended cutter life, and keep high strength in process always.
although abovely be illustrated as an example of cutter with two spiral bar example, but cutter of the present invention also can have a plurality of spiral bar, can adopt 1 flat sword as described on the cutting edge of each spiral bar or apex point, or the 2 ladder swords that reduce highly gradually laterally, or 3 recess sword, or the 4 compound recess swords that overlap with the recess sword, or with cutterhead longitudinal center line or screw pair cutting edge, 5 oblique swords of angle are arranged, or with oblique sword, 6 composite inclined swords of certain angle are arranged, or 7 curved edge, or 8 compound curved sword, or 1 flat sword, or 2 ladder sword, or 3 recess sword, or 4 compound recess sword, or 5 oblique sword, or 6 composite inclined sword, or 7 curved edge, or 8 the combination sword of the various ways of a kind to 8 kinds in the compound curved sword implement.
Above-described preferred embodiment is illustrative and not restrictive, in the situation that do not break away from purport of the present invention and essential characteristic, the present invention can also otherwise implement and specialize.Scope of the present invention is limited by claim, and all distortion in the claim limited range all fall within the scope of the present invention.
Claims (7)
1. the centering helical tooth blade of a compound location combined cut, relate generally to the panel beating fluted drill for thin plate or antarafacial shape workpiece or maintenance service, comprise cutterhead, cutterhead is provided with at least one spiral bar integratedly, has a screw pair cutting edge on each spiral bar, be formed with the screw pair cutting face along the outside of this screw pair cutting edge, the front portion towards cutting direction of screw pair cutting edge is formed with spiral cutting face, face in the spiral cutting face rear side of cutterhead axial centre front end spiral bar is rear cutting face, it is characterized in that: on the centering helical tooth blade of compound location combined cut, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the spiral cutting face of direction of rotation, the composite screw cutting face of one-level inboard at least that is provided with through arc convex or oblique raised step shape projection, or the extension that erects of arc convex or oblique projection, be formed with the compound location of intersecting with the composite screw cutting face of inboard and decompose platform, the spiral cutting face of arranged in step shape is for efficiently cutting platform, the cutting edge of arranged in step shape or spiral cutting sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or arc convex or oblique projection extend to front end vertically, or extend on cutting edge or spiral cutting sword to the rear portion arc, be formed with the recessed sword of side or skew back sword, or cracking resistance is cut platform, or efficiently cut platform, or platform is decomposed in compound location, or arc convex or oblique projection, or compound location decomposition platform extends to axial forward end, intersect with rear cutting face and be formed with, at least cutting blade is divided in one-level location minute cutting blade or compound location, or one-level side edge or compound side edge at least, or the center chisel edge of the apex point that arranges in center, cutterhead top or the two ends of sharp sword, respectively form a centering fillet surface through chamfering, crossing being formed with in the rear cutting face of centering chamfer face and apex point is less than or equal to the angle of 120 °, form a chisel edge between the centering chamfer face of both sides or without the sharp sword of chisel edge, or the rear cutting face at centering chamfer face and apex point place is intersected and being formed with a centering minute cutting blade, the outside of centering minute cutting blade is location minute cutting blade, point sword or chisel edge, or on the rear cutting face between apex point and outermost side edge, relatively depression is provided with Baltimore groove, or dovetail groove, or square groove, or del groove, or deep-slotted chip breaker, or shaped groove, or cutting face after planar shaped, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the inboard of the compound location decomposition of spiral platform, be formed with at least one-level composite screw cutting face and be spiral compound location and cut platform, form the composite screw cutting face of the arranged in step shape of one-level composite construction at least with former spiral cutting face, or cracking resistance is cut the height of combined cut face of platform and adjacent inboard for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or on the composite screw cutting face, one-level helical groove at least is set, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges the centering helical tooth blade of formed compound location combined cut on helical tooth blade.
2. the centering helical tooth blade of a compound location combined cut, relate generally to the panel beating fluted drill for thin plate or antarafacial shape workpiece or maintenance service, comprise cutterhead, cutterhead is provided with at least one spiral bar integratedly, has a screw pair cutting edge on each spiral bar, be formed with the screw pair cutting face along the outside of this screw pair cutting edge, the front portion towards cutting direction of screw pair cutting edge is formed with spiral cutting face, face in the spiral cutting face rear side of cutterhead axial centre front end spiral bar is rear cutting face, on the centering helical tooth blade of compound location combined cut, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the spiral cutting face of direction of rotation, the composite screw cutting face of one-level inboard at least that is provided with through arc convex or oblique raised step shape projection, or the extension that erects of arc convex or oblique projection, be formed with the compound location of intersecting with the composite screw cutting face of inboard and decompose platform, the spiral cutting face of arranged in step shape is for efficiently cutting platform, the cutting edge of arranged in step shape or spiral cutting sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or arc convex or oblique projection extend to front end vertically, or extend on cutting edge or spiral cutting sword to the rear portion arc, be formed with the recessed sword of side or skew back sword, or cracking resistance is cut platform, or efficiently cut platform, or platform is decomposed in compound location, or arc convex or oblique projection, or compound location decomposition platform extends to axial forward end, intersect with rear cutting face and be formed with, at least cutting blade is divided in one-level location minute cutting blade or compound location, or one-level side edge or compound side edge at least, or the center chisel edge of the apex point that arranges in center, cutterhead top or the two ends of sharp sword, respectively form a centering fillet surface through chamfering, crossing being formed with in the rear cutting face of centering chamfer face and apex point is less than or equal to the angle of 120 °, form a chisel edge between the centering chamfer face of both sides or without the sharp sword of chisel edge, or the rear cutting face at centering chamfer face and apex point place is intersected and being formed with a centering minute cutting blade, the outside of centering minute cutting blade is location minute cutting blade, point sword or chisel edge, or on the rear cutting face between apex point and outermost side edge, relatively depression is provided with Baltimore groove, or dovetail groove, or square groove, or del groove, or deep-slotted chip breaker, or shaped groove, or cutting face after planar shaped, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the inboard of the compound location decomposition of spiral platform, be formed with at least one-level composite screw cutting face and be spiral compound location and cut platform, form the composite screw cutting face of the arranged in step shape of one-level composite construction at least with former spiral cutting face, or cracking resistance is cut the height of combined cut face of platform and adjacent inboard for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or on the composite screw cutting face, one-level helical groove at least is set, the formed centering helical tooth blade of any one of above structure or any combination, it is characterized in that: cracking resistance is cut platform, or efficiently cut platform and compound decomposition platform and intersect, be formed with the angle more than or equal to 90 °, the protrusion of intersection one is provided with arc convex or oblique projection, or cracking resistance is cut platform and is, the corner that the cutting edge that intersect to form with rear cutting face at the spiral cutting face of the cutter shaft forward end of centering helical tooth blade and screw pair cutting edge are crossing, the part arranges the cracking resistance cutting table, and be formed with respectively and efficiently cut platform, the cutting edge that intersects with rear cutting face, or local screw pair cutting edge is the cracking resistance cutting edge, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges the centering helical tooth blade of formed compound location combined cut on helical tooth blade.
3. the centering helical tooth blade of a compound location combined cut, relate generally to the panel beating fluted drill for thin plate or antarafacial shape workpiece or maintenance service, comprise cutterhead, cutterhead is provided with at least one spiral bar integratedly, has a screw pair cutting edge on each spiral bar, be formed with the screw pair cutting face along the outside of this screw pair cutting edge, the front portion towards cutting direction of screw pair cutting edge is formed with spiral cutting face, face in the spiral cutting face rear side of cutterhead axial centre front end spiral bar is rear cutting face, on the centering helical tooth blade of compound location combined cut, integratedly, or connect and carry out with forming as one the setting of following technical scheme, on the spiral cutting face of direction of rotation, the composite screw cutting face of one-level inboard at least that is provided with through arc convex or oblique raised step shape projection, or the extension that erects of arc convex or oblique projection, be formed with the compound location of intersecting with the composite screw cutting face of inboard and decompose platform, the spiral cutting face of arranged in step shape is for efficiently cutting platform, the cutting edge of arranged in step shape or spiral cutting sword are efficient minute cutting blade, the outermost platform of efficiently cutting is that cracking resistance is cut platform, outermost efficient minute cutting blade is that cracking resistance is divided cutting blade, or arc convex or oblique projection extend to front end vertically, or extend on cutting edge or spiral cutting sword to the rear portion arc, be formed with the recessed sword of side or skew back sword, or cracking resistance is cut platform, or efficiently cut platform, or platform is decomposed in compound location, or arc convex or oblique projection, or compound location decomposition platform extends to axial forward end, intersect with rear cutting face and be formed with, at least cutting blade is divided in one-level location minute cutting blade or compound location, or one-level side edge or compound side edge at least, or the center chisel edge of the apex point that arranges in center, cutterhead top or the two ends of sharp sword, respectively form a centering fillet surface through chamfering, crossing being formed with in the rear cutting face of centering chamfer face and apex point is less than or equal to the angle of 120 °, form a chisel edge between the centering chamfer face of both sides or without the sharp sword of chisel edge, or the rear cutting face at centering chamfer face and apex point place is intersected and being formed with a centering minute cutting blade, the outside of centering minute cutting blade is location minute cutting blade, point sword or chisel edge, or on the rear cutting face between apex point and outermost side edge, relatively depression is provided with Baltimore groove, or dovetail groove, or square groove, or del groove, or deep-slotted chip breaker, or shaped groove, or cutting face after planar shaped, or the contextual definition that cracking resistance is cut platform or efficiently cut platform and the inboard adjacent height of efficiently cutting platform is, cracking resistance is cut platform or is efficiently cut platform and the height of efficiently cutting platform of adjacent inboard is that the depth of cut multiply by the product number, when work piece hardness or the higher and cutter of viscosity when larger, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the higher and cutter of viscosity hour, the cutting depth of cut is less, the product number that the depth of cut is taken advantage of is larger, when work piece hardness or the lower and cutter of viscosity when larger, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, when work piece hardness or the lower and cutter of viscosity hour, the cutting depth of cut is larger, the product number that the depth of cut is taken advantage of is less, or the inboard of the compound location decomposition of spiral platform, be formed with at least one-level composite screw cutting face and be spiral compound location and cut platform, form the composite screw cutting face of the arranged in step shape of one-level composite construction at least with former spiral cutting face, or cracking resistance is cut the height of combined cut face of platform and adjacent inboard for more than or equal to 0.01 millimeter, or less than 4/5ths of the thickness of the bits of discharging after this kind Tool in Cutting, or less than the height of the product number of 9 times of the cutting amount of feeding, or the cracking resistance width of cutting platform is for greater than 0.6 millimeter, or be less than or equal to 1/3rd of this tool diameter, or on the composite screw cutting face, one-level helical groove at least is set, the formed centering helical tooth blade of any one of above structure or any combination, cracking resistance is cut platform, or efficiently cut platform and compound decomposition platform and intersect, be formed with the angle more than or equal to 90 °, the protrusion of intersection one is provided with arc convex or oblique projection, or cracking resistance is cut platform and is, the corner that the cutting edge that intersect to form with rear cutting face at the spiral cutting face of the cutter shaft forward end of centering helical tooth blade and screw pair cutting edge are crossing, the part arranges the cracking resistance cutting table, and be formed with respectively and efficiently cut platform, the cutting edge that intersects with rear cutting face, or local screw pair cutting edge is the cracking resistance cutting edge, it is characterized in that: or the compound location decomposition of inboard spiral platform forward end is extended and the crossing compound side edge of one-level at least that is formed with in rear cutting face, the apex point that is provided with in center, cutterhead top projection, efficient minute cutting blade, or cutting blade is divided in compound location, with centering minute cutting blade, or sharp sword, or chisel edge is formed with the S sword, divide in efficient minute cutting blade or compound location and be provided with straight sword on cutting blade, or the ladder sword that reduces highly gradually laterally, or recess sword, or the compound recess sword that overlaps with the recess sword, or with cutterhead longitudinal center line or screw pair cutting edge, the oblique sword of angle is arranged, or with oblique sword, the composite inclined sword of certain angle is arranged, or curved edge, or compound curved sword, or straight sword, or ladder sword, or recess sword, or compound recess sword, or oblique sword, or composite inclined sword, or curved edge, or in the compound curved sword, the any one cutting way of above structure, or the formed combination sword of any combination of above cutting way arranges the centering helical tooth blade of formed compound location combined cut on helical tooth blade.
4. the centering helical tooth blade of compound location combined cut as described in as arbitrary in claim 1-3, it is characterized in that: be formed with at least one recess sword on the cutting edge of described cutter or minute cutting blade, or the compound recess sword that overlaps on the recess sword, and the cutting face is extended or is amplified shape and extended to form at least one groove or compound groove backward.
5. the centering helical tooth blade of as arbitrary in claim 1-3 described compound location combined cut, it is characterized in that: in the composite screw cutting face of described cutter, or spiral heat dissipation face or spiral compound location are cut platform and rear cutting face and are intersected and form at least one-level and divide cutting blade or a location minute cutting blade.
6. the centering helical tooth blade of as arbitrary in claim 1-3 described compound location combined cut, it is characterized in that: on described cutter spiral cutting face, the angle of the cutting edge that outermost and screw pair cutting edge intersect or minute cutting blade and screw pair cutting edge is acute angle or right angle or obtuse angle.
7. the centering helical tooth blade of as arbitrary in claim 1-3 described compound location combined cut is characterized in that: the top of a plurality of spiral bar that arrange integratedly at described cutterhead is connected with foregoing cutter tip.
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| CN2012101460338A CN103381497A (en) | 2012-05-03 | 2012-05-03 | Centering spiral cutter for combined positioning and combined cutting |
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| CN2012101460338A CN103381497A (en) | 2012-05-03 | 2012-05-03 | Centering spiral cutter for combined positioning and combined cutting |
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| CN103722219A (en) * | 2013-11-26 | 2014-04-16 | 李仕清 | Self-cooling technology and machining method of metal plate spiral inwards-inclining groove twist drill |
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| CN103737072A (en) * | 2013-11-26 | 2014-04-23 | 李仕清 | Automatic temperature reduction technology for metal plate twist drill and machining method thereof |
| CN103934489A (en) * | 2013-11-26 | 2014-07-23 | 李仕清 | Automatic cooling technology of metal plate spiral groove twist drill and machining method of metal plate spiral groove twist drill |
| CN104001972A (en) * | 2013-11-26 | 2014-08-27 | 李仕清 | Self-cooling technology for machining twist drill with spiral composite edge and machining method thereof |
| CN104057125A (en) * | 2013-11-26 | 2014-09-24 | 李仕清 | Self-cooling technology of machined spiral groove twist drill and machining method thereof |
| CN104084626A (en) * | 2013-11-26 | 2014-10-08 | 李仕清 | Self-cooling technology for machined twist drill and machining method for machined twist drill |
| CN104084627A (en) * | 2013-11-26 | 2014-10-08 | 李仕清 | Self-cooling technology for machined twist drill with inwards-cambered groove and machining method for machined twist drill |
| CN104227090A (en) * | 2013-11-26 | 2014-12-24 | 李仕清 | Self-cooling technology and machining method for sheet metal composite twist drill with screw blade |
| CN107020406A (en) * | 2016-02-02 | 2017-08-08 | 李仕清 | Composite screw groove fluted drill |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103722219A (en) * | 2013-11-26 | 2014-04-16 | 李仕清 | Self-cooling technology and machining method of metal plate spiral inwards-inclining groove twist drill |
| CN103722221A (en) * | 2013-11-26 | 2014-04-16 | 李仕清 | Self-cooling technology and machining method of metal plate spiral stepped blade twist drill |
| CN103737072A (en) * | 2013-11-26 | 2014-04-23 | 李仕清 | Automatic temperature reduction technology for metal plate twist drill and machining method thereof |
| CN103934489A (en) * | 2013-11-26 | 2014-07-23 | 李仕清 | Automatic cooling technology of metal plate spiral groove twist drill and machining method of metal plate spiral groove twist drill |
| CN104001972A (en) * | 2013-11-26 | 2014-08-27 | 李仕清 | Self-cooling technology for machining twist drill with spiral composite edge and machining method thereof |
| CN104057125A (en) * | 2013-11-26 | 2014-09-24 | 李仕清 | Self-cooling technology of machined spiral groove twist drill and machining method thereof |
| CN104084626A (en) * | 2013-11-26 | 2014-10-08 | 李仕清 | Self-cooling technology for machined twist drill and machining method for machined twist drill |
| CN104084627A (en) * | 2013-11-26 | 2014-10-08 | 李仕清 | Self-cooling technology for machined twist drill with inwards-cambered groove and machining method for machined twist drill |
| CN104227090A (en) * | 2013-11-26 | 2014-12-24 | 李仕清 | Self-cooling technology and machining method for sheet metal composite twist drill with screw blade |
| CN107020406A (en) * | 2016-02-02 | 2017-08-08 | 李仕清 | Composite screw groove fluted drill |
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