CN113333859A - Mechanical clamping type hard alloy tooth circular saw blade - Google Patents
Mechanical clamping type hard alloy tooth circular saw blade Download PDFInfo
- Publication number
- CN113333859A CN113333859A CN202110765833.7A CN202110765833A CN113333859A CN 113333859 A CN113333859 A CN 113333859A CN 202110765833 A CN202110765833 A CN 202110765833A CN 113333859 A CN113333859 A CN 113333859A
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- Prior art keywords
- saw blade
- circular saw
- block
- cutter block
- cutting
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- 239000000956 alloy Substances 0.000 title claims abstract description 16
- 229910045601 alloy Inorganic materials 0.000 title claims abstract description 15
- 238000005520 cutting process Methods 0.000 claims abstract description 69
- 238000003825 pressing Methods 0.000 claims description 14
- 230000001154 acute effect Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 7
- 238000000576 coating method Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims description 4
- 230000001050 lubricating effect Effects 0.000 abstract description 10
- 238000001816 cooling Methods 0.000 abstract description 6
- 239000010687 lubricating oil Substances 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 239000004519 grease Substances 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 7
- 230000000694 effects Effects 0.000 description 7
- 239000010959 steel Substances 0.000 description 7
- 239000011295 pitch Substances 0.000 description 5
- 229910001069 Ti alloy Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000017525 heat dissipation Effects 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 229910001256 stainless steel alloy Inorganic materials 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/02—Circular saw blades
- B23D61/04—Circular saw blades with inserted saw teeth, i.e. the teeth being individually inserted
- B23D61/06—Circular saw blades with inserted saw teeth, i.e. the teeth being individually inserted in exchangeable arrangement
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D59/00—Accessories specially designed for sawing machines or sawing devices
- B23D59/02—Devices for lubricating or cooling circular saw blades
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
- B23D61/00—Tools for sawing machines or sawing devices; Clamping devices for these tools
- B23D61/02—Circular saw blades
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Milling Processes (AREA)
Abstract
The invention discloses a mechanically-clamped hard alloy tooth circular saw blade, and relates to the technical field of circular saw blades. The mechanically-clamped hard alloy tooth circular saw blade comprises a cutter block; the front cutting surface and/or the rear cutting surface of the cutter block are respectively provided with a surface texture structure. According to the invention, the cutting surface of the cutter block is provided with the surface texture structures in different forms, so that lubricating grease is stored in the sawing process, the lubricating state of the cutting edge is improved, the bonding tendency of the cutting edge and chips is reduced, the retention time of the sharpness of the cutting edge is prolonged, and the cutting life of the saw blade can be obviously prolonged under the condition that a machine tool is well guaranteed by lubricating oil supply and cooling air.
Description
Technical Field
The invention relates to the technical field of circular saw blades, in particular to a mechanically-clamped hard alloy tooth circular saw blade.
Background
The hard alloy tooth circular saw blade belongs to a high-efficiency sawing tool, is widely applied to the metallurgical industry and the machining industry, and can be used for sawing various steel billets, steel pipes, steel rails, profiles and the like in a fixed length mode. The traditional hard alloy tooth circular saw blade is characterized in that hard alloy saw teeth are welded on a circular steel substrate, and then the angle of the saw teeth is ground, so that the use requirement is met. Generally, the saw teeth are not coated, are troublesome to replace after being damaged and need professional production equipment.
In order to improve the cutting performance of the saw blade and reduce the operation difficulty of repairing the saw blade by a customer, people develop a cutter block machine-clamped type hard alloy tooth circular saw blade by using the principle of clamping a cutter by a numerical control machine, and the sawing capacity of the circular saw blade is improved by CVD and PVD coatings on the surface of the cutter block; through the quick replacement of the cutter block, various complicated devices including a welding gear machine and a gear grinding machine and related operators are saved.
Found in the cutting use of circular saw blade, the cutting face through CVD, PVD coating processing sawtooth takes place the friction with the smear metal, produces a large amount of cutting heat, often makes the smear metal bond on the cutting edge, influences the cutting effect of sawtooth, and the cutting seriously wears out the cutting edge simultaneously, reduces its sharpness, and then has reduced the life of saw bit.
Disclosure of Invention
In order to solve the technical problems, the invention provides a mechanically-clamped hard alloy tooth circular saw blade, which improves the surface structure and the lubricating state of a cutting edge, reduces the chip bonding tendency and prolongs the service life of the cutting edge.
In order to realize the technical purpose, the invention adopts the following scheme: the mechanically-clamped hard alloy tooth circular saw blade comprises a cutter block; the front cutting surface and/or the rear cutting surface of the cutter block are respectively provided with a surface texture structure.
Compared with the prior art, the invention has the beneficial effects that: according to the invention, the surface texture structures in different forms are arranged on the cutting surface of the serrated knife block, so that lubricating grease is stored in the sawing process, the lubricating state of the cutting edge is improved, and the bonding tendency of the cutting edge and chips is reduced; the surface texture reduces the contact area, increases the heat dissipation effect, and improves the antifriction capability, thereby prolonging the retention time of the sharpness of the cutting edge, and the cutting life of the saw blade can be obviously prolonged under the condition that the machine tool has good lubricating oil supply and cooling air guarantee.
The preferred scheme of the invention is as follows:
the surface texture is any one of a distributed round pit, a distributed linear groove or a wavy linear groove, and the lubricating, cooling and anti-bonding effects of the cutter block are improved through the surface texture.
The diameter of the round pit is 0.03-0.10 mm, the depth of the round pit is 0.03-0.08 mm, the round pit can independently store lubricating oil, and the strength of the sawtooth is not influenced.
The width of the linear groove and the width of the wavy linear groove are respectively 0.03-0.10 mm, the depth of the wavy linear groove is 0.03-0.08 mm, the oil storage quantity is increased, and the lubricating and cooling effects are improved.
The knife block is provided with cutting edges, the distance between the surface textures and the cutting edges is 0.05-0.30 mm, and the distance between the surface textures is 0.1-0.5 mm; the strength of the cutting edge is ensured, and the lubricating and cooling effects are improved as much as possible.
The top of the front cutting surface of the cutter block is provided with a negative chamfer, so that the cutter block is suitable for cutting low-plasticity materials such as common alloy steel or bearing steel and the like, and the sawing resistance is improved.
The top of the front cutting face of the cutter block is provided with an acute-angle edge, namely, a cutting edge structure of the front cutting face of the existing cutter block without a negative chamfer is adopted, so that the cutter block is suitable for sawing and cutting high-plasticity materials (stainless steel, titanium alloy and the like), and the sharpness is improved.
The circular saw blade is characterized by also comprising a circular saw blade body, wherein sawtooth seats are uniformly distributed on the outer circumference of the circular saw blade, mounting grooves are formed in the sawtooth seats, positioning bosses are arranged on the lower end surface of the cutter block, and the positioning bosses are embedded into the mounting grooves or the positioning grooves; or the sawtooth seat is provided with an installation boss, the lower end face of the cutter block is provided with a positioning groove, and the installation boss is inserted into the positioning groove. The concave-convex matching positioning mode is firm and reliable, and is suitable for products with larger tooth pitches.
The front cutting face of the cutter block is provided with a first mounting hole which is inclined downwards, the sawtooth seat is provided with a corresponding second mounting hole, and a screw penetrates through the first mounting hole and the second mounting hole to fix the cutter block on the sawtooth seat, so that the cutter block is suitable for products with smaller tooth pitches.
The one side that the sword piece contacted with the briquetting is concave cylinder face, and the one side that briquetting and sword piece contacted is convex column face, and one side of sawtooth seat is provided with recessed arc wall, and the arc wall internal fixation has the briquetting, and the briquetting is cut the face butt before with the sword piece, is suitable for the less product of tooth pitch.
Drawings
FIG. 1 is a side view of an acute prism block with distributed pit and round surface texture provided by an embodiment of the present invention;
FIG. 2 is a top view of an acute prism block with distributed pit and round surface texture according to an embodiment of the present invention;
FIG. 3 is a front view of an acute prism block provided in accordance with an embodiment of the present invention;
FIG. 4 is a side view of an acute prism block with a distributed linear grooved surface texture according to an embodiment of the present invention;
FIG. 5 is a top view of an acute prism block with distributed linear grooved surface texture according to an embodiment of the present invention;
FIG. 6 is a side view of an acute prism block with a wavy linear grooved surface texture according to an embodiment of the present invention;
FIG. 7 is a top view of an acute prism block with a wavy linear grooved surface texture according to an embodiment of the present invention;
FIG. 8 is a front view of a negative chamfer cutter block provided in accordance with an embodiment of the present invention;
FIG. 9 is a side view of a block with distributed pit type surface texture and negative chamfer provided by an embodiment of the present invention;
FIG. 10 is a side view of a tool block with a distributed linear grooved surface texture and negative chamfers according to an embodiment of the present invention;
FIG. 11 is a side view of a tool block with a wavy linear grooved surface texture and negative chamfers according to an embodiment of the present invention;
FIG. 12 is a radial concave-convex matching assembly diagram of a first cutter block and a serrated seat according to an embodiment of the present invention;
FIG. 13 is a radial concave-convex matching assembly diagram of a second cutter block and a serrated seat according to an embodiment of the present invention;
FIG. 14 is a circular saw blade of the oblique screw tightening knife block according to the embodiment of the present invention;
FIG. 15 is an enlarged view of the portion A in FIG. 14;
FIG. 16 is a circular saw blade view of a press block type stationary knife block provided in accordance with an embodiment of the present invention;
FIG. 17 is an enlarged view of the portion B of FIG. 16;
labeled as: 1. a front cutting face; 11. round pits; 12. a linear groove; 13. a wavy line-shaped groove; 14. Positioning the boss; 15. a positioning groove; 16. acute angle edges; 2. a rear cutting face; 3. a chip breaker groove; 4. negative chamfering; 5. installing a groove; 6. mounting a boss; 7. a sawtooth seat; 8. and (7) briquetting.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to fully understand the objects, features and effects of the invention, but the present invention is not limited thereto.
The invention provides a mechanically-clamped hard alloy tooth circular saw blade which consists of a circular saw blade body and a cutter block. The cutter block is provided with a front cutting face 1 and a rear cutting face 2, the surfaces of the front cutting face 1 and/or the rear cutting face 2 are respectively provided with surface textures, and the surface textures are any one of three surface textures of a distributed round pit type, a distributed linear groove type and a wave linear groove type. The surface of the cutter block is treated by CVD and PVD coating, and the surface texture can be processed before or after coating.
The diameter of the round pit 11 of the distributed round pit type surface texture is 0.03-0.10 mm, and the depth of the round pit 11 is 0.03-0.08 mm. The width of the distributed linear grooves 12 and the width of the wavy linear grooves 13 are respectively 0.03-0.10 mm, and the depth of the grooves is 0.03-0.08 mm. Due to the fact that the single textures are arranged in a dispersed mode, the distance between the single textures is 0.1-0.5 mm, namely the distance between each circular pit 11 or each groove is 0.1-0.5 mm. The knife block is provided with a cutting edge, and the distance between the surface texture and the cutting edge is 0.05-0.30 mm.
The rear cutting surface 2 of the cutter block is provided with a chip breaker groove 3. The top of the front cutting surface 1 of the serrated knife block for cutting stainless steel and titanium alloy materials, namely the cutting edge position, is provided with an acute angle edge 16, namely the cutting edge structure without negative chamfer of the serrated knife block commonly used in the prior art. Three views of the block with distributed crater-type surface texture and sharp edges 16 are shown in fig. 1-3. The front and rear cutting surfaces of the block, with the distributed rectilinear grooved surface texture and the sharp edges 16, are shown in fig. 4 and 5. The front and back cutting faces of the block, provided with the wavy grooved surface texture and the sharp edges 16, are shown in fig. 6 and 7.
The top of the front cutting surface 1 of the serrated knife block used for cutting common alloy steel and bearing steel materials, namely the position of a cutting edge, is provided with a negative chamfer 4 structure. The front view of the negative chamfer 4 block is shown in fig. 8, and the negative chamfer 4 block with three surface textures is shown in fig. 9-11.
The circular saw blade body is provided with the centre bore and encircles the transmission hole of centre bore distribution, and the equipartition has a plurality of sawtooth seats 7 that the structure is the same on the outer circumference of circular saw blade body, is fixed with the sword piece on the sawtooth seat 7. In order to make the accurate, firm, swift equipment of sword piece to the circular saw blade body on, possess good saw cutting function, adopt following connected mode:
the cutter block is assembled in the tangential direction in a concave-convex matching manner, that is, a positioning boss 14 protruding downwards is arranged on the lower end face of the cutter block, a mounting groove 5 recessed downwards is arranged on the serrated seat 7, and the positioning boss 14 is inserted into the mounting groove 5, as shown in fig. 12. Or the lower end surface of the knife block is provided with a positioning groove 15 which is concave upwards, the sawtooth seat 7 is provided with an installation boss 6 which is convex upwards, and the positioning groove 15 is buckled on the installation boss 6, as shown in fig. 13. The rear cutting face 2 of the cutter block is provided with a vertical through hole, and the cutter block is fixed on the serrated seat 7 by screws. The fixing method is suitable for circular saw blade products with larger tooth pitches.
On a circular saw blade product with smaller tooth pitch, the cutter block adopts a radial direction oblique screw fastening or pressing block type fixing mode. The oblique screw fastening mode: the back of the knife block and the serrated seat 7 adopt a V-shaped or concave positioning mode, a first mounting hole is obliquely and downwards formed in the front cutting surface 1 of the knife block, a second mounting hole which is on the same oblique line with the first mounting hole is formed in the serrated seat 7, and the knife block and the serrated seat 7 are fixedly connected by screwing screws into the first mounting hole and the second mounting hole, as shown in fig. 14 and 15.
The pressing block type fixing mode: the side of the knife block in contact with the pressing block 8 is a concave cylindrical surface which is convex up and down and concave in the middle, and the side of the pressing block 8 in contact with the knife block is a convex cylindrical surface. The circular saw blade body on one side of the cutter block installed on the serrated seat 7 is provided with an arc-shaped groove which is concave downwards, a threaded installation hole is formed in the arc-shaped groove, and the lower surface of the pressing block 8 is of an arc-shaped protruding structure matched with the arc-shaped groove. The cutter block is arranged on the sawtooth seat 7, the pressing block 8 is placed, the pressing block 8 is fixed on the circular saw blade body through the screw, the side face of the pressing block 8 is abutted to the front cutting face 1 of the cutter block, and the pressing block 8 plays a role in laterally fastening the cutter block, as shown in figures 16 and 17.
The circular saw blade provided by the invention has the advantages that under the conditions of good machine tool rigidity and good precision, the surface texture structures in different forms are arranged on the cutting surface of the saw tooth, so that lubricating grease is stored in the sawing process, the lubricating state of the cutting edge is improved, and the bonding tendency of the cutting edge and chips is reduced; the surface texture reduces the contact area, increases the heat dissipation effect, and improves the antifriction capability, thereby prolonging the retention time of the sharpness of the cutting edge, and the cutting life of the saw blade can be obviously prolonged under the condition that the machine tool has good lubricating oil supply and cooling air guarantee. Besides meeting the requirement of sawing the workpieces of conventional steel grades, the product is also suitable for processing the workpieces which are difficult to cut, such as stainless steel, titanium alloy and the like.
Finally, it is noted that: the above-mentioned list is only the preferred embodiment of the present invention, and naturally those skilled in the art can make modifications and variations to the present invention, which should be considered as the protection scope of the present invention provided they are within the scope of the claims of the present invention and their equivalents.
Claims (10)
1. A mechanically clamped hard alloy tooth circular saw blade comprises a cutter block; the cutter block is characterized in that the front cutting surface and/or the rear cutting surface of the cutter block are/is respectively provided with a surface texture structure.
2. The mechanically clamped cemented carbide toothed circular saw blade as claimed in claim 1, wherein the outer surfaces of the cutter blocks are provided with a coating structure by CVD or PVD treatment, respectively.
3. The mechanically clamped cemented carbide tipped circular saw blade as claimed in claim 2, wherein the surface texture is any one of distributed circular pits, distributed linear grooves or wavy linear grooves.
4. The mechanically clamped cemented carbide tipped circular saw blade as claimed in claim 3, wherein the diameter of the circular pits is 0.03 to 0.15mm, and the depth of the circular pits is 0.03 to 0.12 mm; the width of the linear groove and the width of the wavy linear groove are respectively 0.03-0.15 mm, and the depth of the wavy linear groove is 0.03-0.12 mm.
5. The machine-clamped cemented carbide toothed circular saw blade as claimed in any one of claims 1 to 4, wherein the cutting edge is provided on the blade block, and the distance between the surface texture and the cutting edge is 0.05 to 0.30 mm; the distance between the surface textures is 0.1-0.5 mm.
6. The mechanically clamped carbide tipped circular saw blade as claimed in claim 3, wherein the top of the front cutting face of the blade block is provided with a negative chamfer.
7. The mechanically clamped carbide tipped circular saw blade as claimed in claim 3, wherein the top of the front cutting face of the blade is provided with an acute edge.
8. The machine-clamped hard alloy tooth circular saw blade as claimed in claim 6 or 7, further comprising a circular saw blade body, wherein saw tooth seats are uniformly distributed on the outer circumference of the circular saw blade, mounting grooves are formed in the saw tooth seats, positioning bosses are arranged on the lower end surface of the cutter block, and the positioning bosses are embedded in the mounting grooves or the positioning grooves; or the sawtooth seat is provided with an installation boss, the lower end face of the cutter block is provided with a positioning groove, and the installation boss is inserted into the positioning groove.
9. The mechanically clamped cemented carbide toothed circular saw blade as claimed in claim 6 or 7, wherein the front cutting face of the blade block is provided with a first mounting hole inclined downward, the serrated seat is provided with a corresponding second mounting hole, and a screw is inserted into the first mounting hole and the second mounting hole to fix the blade block to the serrated seat.
10. The mechanically clamped hard alloy toothed circular saw blade as claimed in claim 6 or 7, further comprising a pressing block, wherein the surface of the cutter block contacting the pressing block is a concave cylindrical surface, the surface of the pressing block contacting the cutter block is a convex cylindrical surface, one side of the saw-tooth base is provided with a concave arc-shaped groove, the pressing block is fixed in the arc-shaped groove, and the pressing block abuts against the front cutting surface of the cutter block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765833.7A CN113333859A (en) | 2021-07-07 | 2021-07-07 | Mechanical clamping type hard alloy tooth circular saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110765833.7A CN113333859A (en) | 2021-07-07 | 2021-07-07 | Mechanical clamping type hard alloy tooth circular saw blade |
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| Publication Number | Publication Date |
|---|---|
| CN113333859A true CN113333859A (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110765833.7A Pending CN113333859A (en) | 2021-07-07 | 2021-07-07 | Mechanical clamping type hard alloy tooth circular saw blade |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039449A (en) * | 2011-01-20 | 2011-05-04 | 唐山冶金锯片有限公司 | Assembly type tungsten carbide circular saw blade |
| CN103537762A (en) * | 2013-11-11 | 2014-01-29 | 唐山冶金锯片有限公司 | Manufacturing method of hard alloy tooth circular saw blade |
| WO2017113041A1 (en) * | 2015-12-31 | 2017-07-06 | 唐山冶金锯片有限公司 | Tct clamped cemented carbide circular saw blade |
| CN206474692U (en) * | 2017-01-22 | 2017-09-08 | 河南理工大学 | A kind of micro- texture diamond coatings blade structure of ring-type |
| CN112779495A (en) * | 2020-12-25 | 2021-05-11 | 江苏大学 | Composite texture PVD coating cutter and processing technology thereof |
| CN113070532A (en) * | 2021-04-13 | 2021-07-06 | 广东工业大学 | Ultra-precise cutting method based on surface microstructure design |
| CN215846072U (en) * | 2021-07-07 | 2022-02-18 | 唐山冶金锯片有限公司 | Mechanical clamping type hard alloy tooth circular saw blade |
-
2021
- 2021-07-07 CN CN202110765833.7A patent/CN113333859A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102039449A (en) * | 2011-01-20 | 2011-05-04 | 唐山冶金锯片有限公司 | Assembly type tungsten carbide circular saw blade |
| CN103537762A (en) * | 2013-11-11 | 2014-01-29 | 唐山冶金锯片有限公司 | Manufacturing method of hard alloy tooth circular saw blade |
| WO2017113041A1 (en) * | 2015-12-31 | 2017-07-06 | 唐山冶金锯片有限公司 | Tct clamped cemented carbide circular saw blade |
| CN206474692U (en) * | 2017-01-22 | 2017-09-08 | 河南理工大学 | A kind of micro- texture diamond coatings blade structure of ring-type |
| CN112779495A (en) * | 2020-12-25 | 2021-05-11 | 江苏大学 | Composite texture PVD coating cutter and processing technology thereof |
| CN113070532A (en) * | 2021-04-13 | 2021-07-06 | 广东工业大学 | Ultra-precise cutting method based on surface microstructure design |
| CN215846072U (en) * | 2021-07-07 | 2022-02-18 | 唐山冶金锯片有限公司 | Mechanical clamping type hard alloy tooth circular saw blade |
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