CN100453226C - Saw clamping device - Google Patents
Saw clamping device Download PDFInfo
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- CN100453226C CN100453226C CNB2006101612180A CN200610161218A CN100453226C CN 100453226 C CN100453226 C CN 100453226C CN B2006101612180 A CNB2006101612180 A CN B2006101612180A CN 200610161218 A CN200610161218 A CN 200610161218A CN 100453226 C CN100453226 C CN 100453226C
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- barrel
- holding sleeve
- groove
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Abstract
The invention aims at providing a saw blade clamping device for replacing blade fast and conveniently. It include press saw sleeve (2) and saw bobbin (4) which is connected with press saw sleeve (2) and rotates with it coaxially; the centre of end face (10)of press saw sleeve (2) is equipped with hole (9); the end face (10) is divided by two parts (12,13) by two relative tracks (11),the distance between bottoms of two tracks (11) is bit larger than the width of saw blade holder; the inner side face of end face (12,13)are helical surface (12-1,13-1); the front end of saw bobbin (4) wall is equipped with ''V'' shape slot(14); when the vertical bisection (17) of ''V'' shape slot(14) is staggered with track vertical bisection (21), the distance between the intersecting line of vertical bisection (17) and helical surface and the ''V'' shape slot(14) bottom is equal with the length of saw blade holder. When install saw blade, the saw blade passes through track, the saw blade guiding parts 1-2 is inserted into saw bobbin (4), then the press saw sleeve (2) is rotated, the two ends of saw blade holder 1-1 are pressed between the two front surfaces of helical surface and saw bobbin (4) tightly.
Description
Technical field
The present invention's relate to pack into fast in electric tool saw blade and with the saw blade fixture of its pinning.
Background technology
The most structures of screw and clamping plate that adopt of (as sweep-saw) saw blade fixture are clamped saw blade in the electric tool of band saw function in the past.Changing saw blade also needs special spanner just can do with a series of actions such as tightening screw by unclamping screw. still some inconvenience concerning the user.
CN1178493A discloses a kind of circular sawing machine, has mentioned a kind of saw blade fixture.US6209208B1 discloses a kind of no key blade fixture.DE202004008814U1 discloses a kind of fixing device for saw blades.In these devices, saw blade holding sleeve generally is threaded with the structure that the saw blade barrel coaxial rotation is connected, owing to be to be threaded, so need overcome bigger damping when saw blade holding sleeve and saw blade barrel coaxial rotation, rotates dumbly, and this causes changing the quick inconvenience of saw blade.
Summary of the invention
The object of the invention provides the saw blade fixture of the quick and convenient replacing saw blade of a kind of energy.
Saw blade fixture of the present invention comprises saw blade holding sleeve 2 and saw blade barrel 4 that front end is sealed by end face 10, and saw blade barrel 4 is connected with saw blade holding sleeve 2 coaxial rotation, and saw blade barrel 4 front ends stretch into saw blade holding sleeve 2; The center of end face 10 has the hole 9 of slightly larger in diameter in the saw blade neck width; End face 10 is bored in two relative gap 11 on 9 inwalls of hole and is divided into the width that distance between 13, two gap 11 bottoms in left side 12 and right side is slightly larger than the saw blade shank; The medial surface of left side 12 and right side 13 is helicoid 12-1,13-1; Saw blade barrel 4 internal diameters are slightly larger than the width of saw blade guide part; The front end of saw blade barrel 4 barrels has " V " shape groove 14; When the vertical bisector plane 17 of " V " shape groove 14 did not overlap with the vertical bisector plane 21 of gap, the intersection of vertical bisector plane 17 and helicoid equaled the length of saw blade shank to the distance of " V " shape groove 14 bottoms; Saw blade holding sleeve 2 with the structure that saw blade barrel 4 coaxial rotation are connected is: have the first annular groove 2-1 on saw blade holding sleeve 2 outer surfaces, have on saw blade barrel 4 outer surfaces with the first annular groove 2-1 and be positioned at the second annular groove 4-2 on the same cross section; The part of first annular groove 2-1 bottom communicates with the second annular groove 4-2; In the first annular groove 2-1 clip 24 is set, the part of clip inner edge is passed the first annular groove 2-1 bottom that communicates with the second annular groove 4-2 and is stretched in the second annular groove 4-2.
The saw blade that the present invention is suitable for is the double-edged sword shape saw blade that is used in usually on the sweep-saw, and this saw blade fixture and saw blade just have unique fit dimension like this.During the dress saw blade, rotating saw blade holding sleeve 2 makes the vertical bisector plane 17 of " V " shape groove 14 be in the position that overlaps with the vertical bisector plane 21 of gap 11, then saw blade shank 1-1 is passed two relative gap 11, saw blade guide part 1-2 is stretched in the saw blade barrel 4, saw blade neck 1-3 is in hole 9, the outstanding side 1-4 of saw blade shank 1-1 right-hand member contacts with " V " shape groove 14 bottoms, and then rotation saw blade holding sleeve 2, the vertical bisector plane 17 of feasible " V " shape groove 14 staggers with the vertical bisector plane 21 of gap and does not overlap, this moment is because the intersection of vertical bisector plane 17 and helicoid equals the length A of saw blade shank, the side 1-5 that give prominence at the two ends, the left and right sides of saw blade shank 1-1 to the distance of " V " shape groove 14 bottoms, 1-4 just is pressed between helicoid and saw blade barrel " V " the shape groove 14.Because clip 24 is simultaneously in the first annular groove 2-1 on saw blade holding sleeve 2 and in the second annular groove 4-2 on the saw blade barrel 4,, and can not move mutually vertically so saw blade holding sleeve 2 can only rotate mutually with saw blade barrel 4.
As further improvement, it also is included in the saw blade barrel 4, is in axial sliding connection the saw blade bullet fork 6 that has groove with front end with saw blade barrel 4; The vertical bisector plane 17 of " V " shape groove 14 and groove overlaps; The rear end of saw blade bullet fork 6 be connected by the compression spring 7 of axial compression.
A saw blade bullet fork and compression spring 7 are arranged in saw blade barrel, and effect is can eject saw blade when getting saw blade, avoids saw blade to scald one's hand.When getting saw blade, rotate saw blade holding sleeve 2 earlier, the vertical bisector plane 17 of feasible " V " shape groove 14 is in the vertical bisector plane 21 of gap 11 and overlaps, the outstanding side 1-5 of saw blade shank 1-1 left end this moment no longer no longer contacts with two helicoid 12-1,13-1, saw blade bullet fork 6 is under the elastic force effect of compression spring 7, promote the rear end of saw blade guide part 1-2, saw blade is ejected.Certainly, because the existence of saw blade bullet fork 6 and compression spring 7, when the dress saw blade, because the rear end of saw blade guide part 1-2 contacts with the groove of saw blade bullet fork 6 earlier, need just can make saw blade promote saw blade bullet fork 6 motion backward with a little power with the elastic force that overcomes compression spring 7 a little, the side 1-4 outstanding up to saw blade shank 1-1 right-hand member contacts with " V " shape groove 14 bottoms, and then rotation saw blade holding sleeve 2, the vertical bisector plane 17 of feasible " V " shape groove 14 staggers with the vertical bisector plane 21 of gap and does not overlap, the side 1-5 that the two ends, the left and right sides of saw blade shank 1-1 are outstanding, 1-4 just is pressed between helicoid and saw blade barrel " V " the shape groove 14.Because the elastic force of compression spring 7, the outstanding side 1-5 of the left end of saw blade shank 1-1 produces certain pressure to helicoid 12-1,13-1, make saw blade holding sleeve 2 can not rotate, overlap with the vertical bisector plane 21 of gap and make saw blade be in releasing orientation with the vertical bisector plane 17 that prevents saw blade when work " V " shape groove 14.
As further improving first inclined-plane 18 of outer wall for tilting of saw blade bullet fork 6 again; On saw blade barrel 4 barrels, have through hole 16; Have locked groove 19 on saw blade holding sleeve 2 inwalls, locked groove 19 sidewalls are the second inclined-plane 19-1, and locked groove 19 and through hole 16 are on the same cross section of saw blade barrel; When saw blade holding sleeve 2 rotates with respect to saw blade barrel 4, locked groove 19 is during with through hole 16 axis coaxles, and the vertical bisector plane 21 of gap overlaps with the vertical bisector plane 17 of " V " shape groove 14; Locked groove 19 degree of depth are more than or equal to the ultimate range of saw blade barrel 4 inwalls to first inclined-plane 18; Lock pin 20 slip, that two ends contact with first inclined-plane 18 with saw blade holding sleeve 2 inwalls respectively is set in the through hole 16.
When saw blade holding sleeve 2 turns to locked groove 19 axis 19-2 with through hole 16 axis 16-1 when coaxial with respect to saw blade barrel 4, lock pin 20 enters in the locked groove 19 at first inclined-plane, 18 next end of effect, because locked groove 19 degree of depth are more than or equal to the ultimate range of saw blade barrel 4 inwalls to first inclined-plane 18, so the other end of lock pin 20 can not stretch out the inwall of saw blade barrel 4, at this moment, saw blade bullet fork 6 just can move along the axis of saw blade barrel 4; In addition, during owing to locked groove 19 and through hole 16 axis coaxles, the vertical bisector plane 21 of gap overlaps with the vertical bisector plane 17 of " V " shape groove 14, is in the position that saw blade can eject or put into.Saw blade bullet fork 6 can move along the axis of saw blade barrel 4, and saw blade holding sleeve 2 is in the position that saw blade can eject or put into respect to saw blade barrel 4 simultaneously, these 2 had both guaranteed that saw blade can be ejected when saw blade bullet fork 6 moves forward, guaranteed that again saw blade promotes saw blade bullet fork 6 and moves backward and put into this clamping device.After saw blade is put into, saw blade holding sleeve 2 is rotated with respect to saw blade barrel 4, because locked groove 19 sidewalls are the second inclined-plane 19-1, the second inclined-plane 19-1 promptly promotes lock pin 20, the inwall that makes lock pin 20 stretch out saw blade barrel 4 contacts with first inclined-plane 18, limited saw blade bullet fork 6 and moved forward, thereby saw blade can not be ejected.This improved structure has further guaranteed the security used, because only in lock pin 20 enters locked groove 19 time, saw blade could be ejected; And lock pin 20 is not when entering in the locked groove 19, and the one end is against on first inclined-plane 18, and saw blade bullet fork 6 can not move forward, and saw blade can not be ejected.
Above-mentioned arbitrary saw blade fixture, it also can comprise the torsion spring 22 that is arranged between saw blade holding sleeve 2 and the saw blade barrel 4, torsional spring slot 2-3, the 4-3 that is opened on saw blade holding sleeve 2 and the saw blade barrel 4 stretched at the two ends of torsion spring respectively.After saw blade was put into, torsion spring 22 made saw blade holding sleeve 2 rotate with respect to saw blade barrel 4, the position that the vertical bisector plane 17 of " V " shape groove 14 and the vertical bisector plane 21 of gap do not overlap, and promptly saw blade holding sleeve 2 is in the position that saw blade is locked with respect to saw blade barrel 4.The existence of torsion spring 22 makes saw blade holding sleeve 2 can not rotate counterclockwise with respect to saw blade barrel 4, also makes helicoid that the outstanding side 1-5 of the left end of saw blade shank 1-1 is produced certain pressure, and this has all strengthened the compacted security of saw blade.
Be preferably on the outer surface that does not stretch into the saw blade barrel 4 in the saw blade holding sleeve 2 and be fixed with ring set 23, on the ring set front end face relative, have deep-slotted chip breaker 23-1 with saw blade holding sleeve 2 rear end faces; The centering angle of deep-slotted chip breaker 23-1 is that 90 degree are to 130 degree; Be extruded with the rotating limit block 2-2 that extend in the deep-slotted chip breaker 23-1 on saw blade holding sleeve 2 rear end faces.The effect of rotating limit block 2-2 is that to prevent that saw blade from taking out behind this clamping device saw blade holding sleeve 2 excessive with respect to the angle that saw blade barrel 4 clockwise rotates under torsion spring 22 effects, and makes torsion spring 22 lose moment of torsion (pretightning force).Torsion spring 22 keeps certain moment of torsion, can make helicoid compress the outstanding side of left end of saw blade shank 1-1 after saw blade is put into this clamping device.Certainly, deep-slotted chip breaker 23-1 has certain-length (centering angle is that 90 degree are to 120 degree), be for saw blade holding sleeve 2 is rotated in this angular range mutually with respect to saw blade barrel 4, this angular range should guarantee that the vertical bisector plane 17 of " V " shape groove 14 can be in the position that overlaps with the vertical bisector plane 21 of gap 11, to put into saw blade; The vertical bisector plane 17 that also will guarantee " V " shape groove 14 can be in the position of staggering with the vertical bisector plane 21 of gap 11, to compress saw blade.The centering angle of deep-slotted chip breaker 23-1 should be when compressing saw blade maximum angle between the vertical bisector plane 21 of vertical bisector plane 17 of " V " shape groove 14 with gap, because the vertical bisector plane 17 of " V " shape groove 14 generally becomes 60-90 degree angle with the vertical bisector plane 21 of gap when compressing saw blade, so the centering angle of deep-slotted chip breaker 23-1 should generally be got the 90-120 degree greater than 90 degree.
Description of drawings
Fig. 1 is a saw blade fixture structural representation of the present invention.
Fig. 2 is the vertical view of Fig. 1.
Fig. 3 is the stereogram of the saw blade holding sleeve among Fig. 1.
Fig. 4 is another stereogram of the saw blade holding sleeve among Fig. 1.
Fig. 5 is the stereogram of the saw blade barrel among Fig. 1.
Fig. 6 is the E-E cutaway view (removing parts such as ring set, saw blade bullet fork) among Fig. 1.
Fig. 7 is the stereogram of the saw blade bullet fork among Fig. 1.
Fig. 8 is the local amplification assumption diagram of the saw blade among Fig. 1.
Fig. 9 is the exploded perspective view of the correlation of saw blade holding sleeve, saw blade barrel, clip.
Figure 10 is the left view of the saw blade holding sleeve among Fig. 2.
Figure 11 is after the F-F section from Fig. 2 blocks this clamping device, the stereogram of this cross-sectional left part.
Figure 12 is the saw blade holding sleeve when putting into (ejection) saw blade state, the stereogram of ring set correlation.
Figure 13 is the saw blade holding sleeve when compressing the saw blade state, the stereogram of ring set correlation.
The specific embodiment
Describe the details and the working condition of saw blade fixture in detail below in conjunction with accompanying drawing.
Saw blade fixture shown in Fig. 1,2 mainly comprises saw blade holding sleeve, saw blade barrel, ring set, saw blade bullet fork.
Saw blade holding sleeve 2 front ends are sealed by end face 10, and the center of end face 10 has the hole 9 of slightly larger in diameter in saw blade neck width B.End face 10 is bored in two on 9 inwalls of hole, relative gap 11 and is divided into the width C that distance between 13, two gap 11 bottoms in left side 12 and right side is slightly larger than the saw blade shank.The medial surface of left side 12 and right side 13 is respectively helicoid 12-1,13-1; Helicoid 12-1,13-1 become the center symmetry with the central axis in hole 9.
Saw blade bullet fork 6 is in axial sliding connection in saw blade barrel 4 rear ends and with saw blade barrel 4, and its front end has " V " shape groove 15; The vertical bisector plane 17 of " V " shape groove 14,15 overlaps.The saw blade bullet is pitched 6 rear ends and is connected by the compression spring 7 of axial compression.First inclined-plane 18 of outer wall for tilting of saw blade bullet fork 6.On saw blade barrel 4 barrels, have through hole 16; Have locked groove 19 on saw blade holding sleeve 2 inwalls, locked groove 19 sidewalls are the second inclined-plane 19-1, and locked groove 19 and through hole 16 are on the same cross section of saw blade barrel.Locked groove 19 axis 19-2 are perpendicular to the vertical bisector plane 21 of gap, and the axis 16-1 of through hole 16 is perpendicular to the vertical bisector plane 17 of " V " shape groove 14.Locked groove 19 degree of depth are more than or equal to the ultimate range of saw blade barrel 4 inwalls to first inclined-plane 18; Lock pin 20 slip, that two ends contact with first inclined-plane 18 with saw blade holding sleeve 2 inwalls respectively is set in the through hole 16.
Referring to Fig. 9,6, on the saw blade holding sleeve outer surface, have the first annular groove 2-1, on saw blade barrel 4 outer surfaces, have with the first annular groove 2-1 and be positioned at the second annular groove 4-2 on the same cross section, a part of 2-4 of first annular groove 2-1 bottom communicates with the second annular groove 4-2; In the first annular groove 2-1 clip 24 is set, the part of clip inner edge is passed the annular groove bottom 2-4 that communicates with the second annular groove 4-2 and is stretched in the second annular groove 4-2.
Referring to Fig. 1,2,11, be fixed with ring set 23 on the outer surface of the saw blade barrel 4 in not stretching into saw blade holding sleeve 2, on the relative ring set front end face of saw blade holding sleeve 2 rear end faces, have deep-slotted chip breaker 23-1; The centering angle of deep-slotted chip breaker 23-1 is 130 degree; Be extruded with the rotating limit block 2-2 that extend in the deep-slotted chip breaker 23-1 on saw blade holding sleeve 2 rear end faces.Torsional spring slot 2-3, the 4-3 that is opened on saw blade holding sleeve 2, the saw blade barrel 4 stretched at the two ends of torsion spring 22 respectively.Owing to when this clamping device of assembling, make torsion spring 22 that certain moment of torsion (pretightning force) is arranged, so that after saw blade is put into this clamping device, make helicoid can compress the saw blade shank.So when not putting into saw blade as if this clamping device, because the existence of torsion spring 22, saw blade holding sleeve 2 can clockwise rotate with respect to saw blade barrel 4.Excessive and make torsion spring 22 lose moment of torsion (pretightning force) in order to prevent that saw blade holding sleeve 2 from can clockwise rotate angle with respect to saw blade barrel 4, so be provided with the rotating limit block 2-2 that extend in the deep-slotted chip breaker 23-1.When saw blade holding sleeve 2 can clockwise rotate certain angle with respect to saw blade barrel 4, rotating limit block 2-2 can contact with the inwall 23-2 of deep-slotted chip breaker 23-1 one side, had hindered saw blade holding sleeve 2 and had been rotated further with respect to saw blade barrel 4 and makes torsion spring 22 lose moment of torsion.For the ease of assembling, ring set 23 is made up of two halves 23-3,23-4 that can folding, and these two halves are connected as a single entity by screw 23-5 and are fixed on the saw blade barrel 4.
Because locked groove 19 axis 19-2 are perpendicular to the vertical bisector plane 21 of gap, the axis 16-1 of through hole 16 is perpendicular to the vertical bisector plane 17 of " V " shape groove 14, so when saw blade holding sleeve 2 turned to locked groove 19 with through hole 16 axis coaxles with respect to saw blade barrel 4, the vertical bisector plane 21 of gap overlapped with the vertical bisector plane 17 of " V " shape groove 14; At this moment, lock pin 20 enters in the locked groove 19, and clamping device is in the state that saw blade can be ejected or put into.
Referring to Figure 12,13, during the dress saw blade, the moment of torsion that will overcome torsion spring 22 earlier makes saw blade holding sleeve 2 rotate counterclockwise with respect to saw blade barrel 4, make the vertical bisector plane 21 of gap overlap with the vertical bisector plane 17 of " V " shape groove 14, while locked groove 19 and through hole 16 axis coaxles, this moment, lock pin 20 entered in the locked groove 19, and saw blade bullet fork 6 just can move along the axis of saw blade barrel 4.At this moment, saw blade shank 1-1 can be passed two relative gap 11, saw blade guide part 1-2 is stretched in the saw blade barrel 4, saw blade neck 1-3 is in hole 9, the rear end of saw blade guide part 1-2 contacts with " V " shape groove 15 of saw blade bullet fork 6, saw blade bullet fork 6 is promoted backward with the elastic force that overcomes compression spring 7 with a little power a little, simultaneously saw blade is advanced saw blade barrel 4, the side 1-4 outstanding up to saw blade shank 1-1 right-hand member contacts with " V " shape groove 14 bottoms; This moment, saw blade holding sleeve 2 can clockwise rotate with respect to saw blade barrel 4 under the effect of torsion spring 22,21 one-tenth 90 degree of vertical bisector plane 17 and the vertical bisector plane of gap up to " V " shape groove 14, lock pin 20 is released by the second inclined-plane 19-1 and the inwall that stretches out saw blade barrel 4 contacts with first inclined-plane 18, and it is 6 limited and saw blade can not be ejected that the saw blade bullet is pitched; Because in the vertical bisector plane 17 of " V " shape groove 14 and the position of 21 one-tenth 90 degree of the vertical bisector plane of gap, " V " shape groove 14 bottoms equal the length A of saw blade shank to the vertical bisector plane 17 and the distance of the intersection of helicoid, and outstanding side 1-5, the 1-4 in the two ends, the left and right sides of saw blade shank 1-1 just is pressed between " V " shape groove 14 of helicoid and saw blade barrel.
Referring to Figure 12,13, when getting saw blade, the moment of torsion that will overcome torsion spring 22 earlier can rotate counterclockwise saw blade holding sleeve 2 with respect to saw blade barrel 4, make the vertical bisector plane 21 of gap overlap with the vertical bisector plane 17 of " V " shape groove 14, while locked groove 19 and through hole 16 axis coaxles, this moment, lock pin 20 entered in the locked groove 19, and saw blade bullet fork 6 moves forward under the effect of compression spring 7, and saw blade is ejected.
After saw blade ejected, saw blade holding sleeve 2 can clockwise rotate with respect to saw blade barrel 4, contacts with the inwall 23-2 of deep-slotted chip breaker 23-1 one side up to rotating limit block 2-2.
Referring to Fig. 1, the present invention pins saw blade by the helicoid on saw blade barrel 4 front ends " V " shape groove 14 and the saw blade holding sleeve 2." V " shape groove 14 is the outstanding side of shank of saw blade 1 fixedly, and has the saw blade effect of centering.Helicoid on the saw blade holding sleeve 2 is pushed down the outstanding opposite side of saw blade shank by the torsion that is contained in the torsion spring 22 between saw blade holding sleeve 2 and the saw blade barrel 4.V-shaped groove on the saw blade bullet fork 6 is held the afterbody of saw blade, and has the saw blade effect of centering.
Take out saw blade and be by rotation saw blade holding sleeve 2 to make gap 11 it on aim at the outstanding position of saw blades 1 shank, at this moment saw blade the saw blade bullet pitch 6 and the effect of saw blade bullet hook switch 7 under, device for ejecting.Because the rotation of saw blade holding sleeve 2 makes the locked groove 19 on it aim at lock pin 20, when saw blade bullet fork 6 ejected saw blade, first inclined-plane, the 18 promotion lock pins 20 on it entered the locked groove 19 on the saw blade holding sleeve 2, thus locking saw blade holding sleeve 2, make it be in releasing orientation, purpose is convenient when adorning saw blade.
When packing saw blade into, device is in releasing orientation, as long as the saw blade shank is aimed at gap 11 on the saw blade holding sleeve 2, with some power saw blade bullet fork 6 is pushed a little, when saw blade bullet fork 6 falls back on a segment distance, abdicate the space of lock pin 20 returns, at this moment saw blade holding sleeve 2 makes its return rotation under the effect of torsion spring 22, simultaneously a side second inclined-plane of the locked groove on the saw blade holding sleeve 2 is lock pin 20 pushed home, and unclamps saw blade holding sleeve 2.Saw blade holding sleeve 2 pins saw blade under the effect of torsion spring 22.
In sum, the present invention is crucial is just having one to have helicoid saw blade holding sleeve 2 push down saw blade under the effect of torsion spring 22.The fixedly shank of saw blade 1 of a saw blade barrel 4 that has a V-shaped valley 14 is arranged, clamp the outstanding side of saw blade two, have the saw blade effect of centering.There is a saw blade bullet fork 6 that has a V-shaped groove 15 to hold the afterbody of saw blade, has the saw blade effect of centering, and when getting saw blade, eject saw blade.Have two lock pins 20 to play 2 effects of locking saw blade holding sleeve, convenient institute puts for the saw blade of packing into.Use this clamping device effect obvious, demonstrated fully quick, convenient, reliable principle.
Claims (6)
1. saw blade fixture comprises front end by the saw blade holding sleeve (2) and the saw blade barrel (4) of end face (10) sealing, and saw blade barrel (4) is connected with saw blade holding sleeve (2) coaxial rotation, and saw blade barrel (4) front end stretches into saw blade holding sleeve (2);
The center of end face (10) has the hole (9) of slightly larger in diameter in the saw blade neck width; Relative two gap (11) that end face (10) is bored on the inwall of hole (9) are divided into left side (12) and right side (13), and the distance between two gap (11) bottom is slightly larger than the width of saw blade shank; The medial surface of left side (12) and right side (13) is helicoid;
The internal diameter of saw blade barrel (4) is slightly larger than the width of saw blade guide part; The front end of saw blade barrel (4) barrel has " V " shape groove (14); The vertical bisector plane with gap of vertical bisector plane (17) (21) of " V " shape groove (14) is when staggering, and the intersection of vertical bisector plane (17) and helicoid equals the length of saw blade shank to the distance of " V " shape groove (14) bottom;
It is characterized in that: saw blade holding sleeve (2) with the structure that saw blade barrel (4) coaxial rotation is connected is: have first annular groove (2-1) on the outer surface of saw blade holding sleeve (2), be positioned at second annular groove (4-2) on the same cross section having on the outer surface of saw blade barrel (4) with first annular groove (2-1); The part of first annular groove (2-1) bottom communicates with second annular groove (4-2); Clip (24) is set in first annular groove (2-1), and the part of clip inner edge is passed first annular groove (2-1) bottom that communicates with second annular groove (4-2) and is stretched in second annular groove (4-2).
2. saw blade fixture according to claim 1 is characterized in that: this saw blade fixture also is included in the saw blade barrel (4), is in axial sliding connection the saw blade bullet fork (6) that has groove with front end with saw blade barrel (4); The vertical bisector plane (17) of " V " shape groove (14) and groove overlaps; The rear end of saw blade bullet fork (6) is connected with compressed compression spring (7).
3. saw blade fixture according to claim 2 is characterized in that: first inclined-plane (18) of the outer wall of saw blade bullet fork (6) for tilting; On first inclined-plane (18) relative saw blade barrel (4) barrel, have through hole (16); Have locked groove (19) on saw blade holding sleeve (2) inwall, locked groove (19) sidewall is second inclined-plane, and locked groove (19) and through hole (16) are on the same cross section of saw blade barrel; When locked groove (19) and through hole (16) axis coaxle, the vertical bisector plane of gap (21) overlaps with the vertical bisector plane (17) of " V " shape groove (14); Locked groove (19) degree of depth is more than or equal to the ultimate range of saw blade barrel (4) inwall to first inclined-plane (18); Lock pin (20) slip, that two ends contact with first inclined-plane (18) with saw blade holding sleeve (2) inwall respectively is set in the through hole (16).
4. saw blade fixture according to claim 3, it is characterized in that: when the vertical bisector plane (17) of " V " shape groove (14) became 90 to spend with the vertical bisector plane of gap (21), the intersection of vertical bisector plane (17) and helicoid equaled the length of saw blade shank to the distance of " V " shape groove (14) bottom; Locked groove (19) axis normal is in the vertical bisector plane of gap (21), and the axis normal of through hole (16) is in the vertical bisector plane (17) of " V " shape groove (14).
5. according to the described arbitrary saw blade fixture of claim 1-4, it is characterized in that: this saw blade fixture also comprises the torsion spring (22) that is arranged between saw blade holding sleeve (2) and the saw blade barrel (4), and the two ends of torsion spring are connected with saw blade barrel (4) with saw blade holding sleeve (2) respectively.
6. saw blade fixture according to claim 5 is characterized in that: be fixed with ring set (23) on saw blade barrel (4), have deep-slotted chip breaker (23-1) on the relative ring set front end face of saw blade holding sleeve (2) rear end face; The centering angle of deep-slotted chip breaker (23-1) is that 90 degree are to 130 degree; Be extruded with the rotating limit block (2-2) that extend in the deep-slotted chip breaker (23-1) on saw blade holding sleeve (2) rear end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101612180A CN100453226C (en) | 2006-12-15 | 2006-12-15 | Saw clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101612180A CN100453226C (en) | 2006-12-15 | 2006-12-15 | Saw clamping device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101007362A CN101007362A (en) | 2007-08-01 |
| CN100453226C true CN100453226C (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101612180A Expired - Fee Related CN100453226C (en) | 2006-12-15 | 2006-12-15 | Saw clamping device |
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| CN (1) | CN100453226C (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103203497B (en) * | 2012-01-16 | 2017-05-03 | 博世电动工具（中国）有限公司 | Saw blade clamping device |
| JP5921385B2 (en) * | 2012-08-22 | 2016-05-24 | 株式会社マキタ | Reciprocating saw |
| CN113319366B (en) * | 2021-06-29 | 2023-04-07 | 浙江皇冠电动工具制造有限公司 | Chuck component and jig saw |
| CN113601611A (en) * | 2021-07-21 | 2021-11-05 | 盐城鼎恒机械有限公司 | Horizontal type saw mark machine convenient for quickly fixing workpiece |
| CN115444494A (en) * | 2022-08-22 | 2022-12-09 | 世源科技(嘉兴)医疗电子有限公司 | Saw blade quick-assembling structure of medical reciprocating saw |
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| US6209208B1 (en) * | 1998-10-09 | 2001-04-03 | Milwaukee Electric Tool Corporarion | Keyless blade clamp mechanism |
| CN1335216A (en) * | 2000-05-16 | 2002-02-13 | 株式会社牧田 | Apparatus for mounting blade |
| DE202004008814U1 (en) * | 2004-06-03 | 2004-09-09 | Chum Power Machinery Corp., Ta Li | Quick-release holder for drills, bits, etc. has main body with bore to hold positioning part of drill, positioning sleeves, and pressure spring |
| EP1172167B1 (en) * | 2000-07-14 | 2006-08-30 | A & M Electric Tools GmbH | Holding device for machine tools with exchangeable saw blades |
| CN201009009Y (en) * | 2006-12-15 | 2008-01-23 | 常州赛迪电气制造有限公司 | Saw blade clamping device |
-
2006
- 2006-12-15 CN CNB2006101612180A patent/CN100453226C/en not_active Expired - Fee Related
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPS56133101A (en) * | 1980-02-20 | 1981-10-19 | Bosch Gmbh Robert | Circular saw |
| JPH08174502A (en) * | 1994-12-22 | 1996-07-09 | Makita Corp | Blade-fitting device for reciprocative cutting tool |
| CN1135392A (en) * | 1995-03-16 | 1996-11-13 | 罗伯特-博希股份公司 | Hand-moving type hole carving saw |
| CN1178493A (en) * | 1995-03-16 | 1998-04-08 | 罗伯特-博希股份公司 | Compass saw |
| CN1142999A (en) * | 1995-06-10 | 1997-02-19 | 星蒂拉公开股份有限公司 | Saw for caving hole |
| US6209208B1 (en) * | 1998-10-09 | 2001-04-03 | Milwaukee Electric Tool Corporarion | Keyless blade clamp mechanism |
| CN1335216A (en) * | 2000-05-16 | 2002-02-13 | 株式会社牧田 | Apparatus for mounting blade |
| EP1172167B1 (en) * | 2000-07-14 | 2006-08-30 | A & M Electric Tools GmbH | Holding device for machine tools with exchangeable saw blades |
| DE202004008814U1 (en) * | 2004-06-03 | 2004-09-09 | Chum Power Machinery Corp., Ta Li | Quick-release holder for drills, bits, etc. has main body with bore to hold positioning part of drill, positioning sleeves, and pressure spring |
| CN201009009Y (en) * | 2006-12-15 | 2008-01-23 | 常州赛迪电气制造有限公司 | Saw blade clamping device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101007362A (en) | 2007-08-01 |
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Owner name: CHANGZHOU TONGYANG ELECTRIC MANUFACTURING CO., LTD Free format text: FORMER OWNER: SAIDI ELECTRIC MANUFACTURING CO., LTD., CHANGZHOU Effective date: 20140304 |
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