CN210254523U - Circular saw blade - Google Patents
Circular saw blade Download PDFInfo
- Publication number
- CN210254523U CN210254523U CN201920979809.1U CN201920979809U CN210254523U CN 210254523 U CN210254523 U CN 210254523U CN 201920979809 U CN201920979809 U CN 201920979809U CN 210254523 U CN210254523 U CN 210254523U
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- China
- Prior art keywords
- saw blade
- bodies
- blade bodies
- adjacent
- blade body
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- Expired - Fee Related
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- 238000005520 cutting process Methods 0.000 claims description 14
- 238000005219 brazing Methods 0.000 claims description 8
- 239000002131 composite material Substances 0.000 claims description 4
- 238000004080 punching Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000017525 heat dissipation Effects 0.000 abstract 1
- 238000001816 cooling Methods 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000000428 dust Substances 0.000 description 8
- 239000002023 wood Substances 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000003466 welding Methods 0.000 description 4
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 229910000679 solder Inorganic materials 0.000 description 2
- 229910000677 High-carbon steel Inorganic materials 0.000 description 1
- 229910000997 High-speed steel Inorganic materials 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010962 carbon steel Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000000110 cooling liquid Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 210000001503 joint Anatomy 0.000 description 1
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Abstract
The utility model provides a circular saw blade, including two saw blade bodies, be equipped with a plurality of support archs that set up along its circumference direction equipartition towards the outer fringe department of saw blade body radial direction between the adjacent saw blade body, leave centrifugal channel between the support archs, support archs dock two saw blade body surface each other, saw blade body central point puts and is equipped with the mounting hole of seting up to leading to, and adjacent saw blade body central point puts and is equipped with the support ring coaxial with the mounting hole, and two saw blade body radial direction's outer fringe position department all is equipped with a plurality of sawtooth, the sawtooth is the even number setting, and the sawtooth of adjacent saw blade body is adjusted well in saw blade body circumference position department each other, and the sawtooth on the same saw blade body inclines toward the both sides of saw blade body axial direction in proper order, and the sawtooth of same circumference position department inclines toward same direction on two saw blade bodies, the mounting hole outside is, And the air inlet is communicated with the gap between the adjacent saw blade bodies. The utility model has the advantages of good heat dissipation effect and good chip removal effect.
Description
Technical Field
The utility model relates to a saw bit field, concretely relates to circular saw bit.
Background
The existing circular saw blades are various in types, the saw blades used in wood cutting are smooth for ensuring the cut, often the cutting speed is high, when wood with a large section is cut, a large amount of high temperature is easily generated due to friction, the saw blades used in wood cutting are generally high-speed steel or carbon steel saw blades, so that the service life of saw tooth annealing is influenced due to high temperature, the requirement on the red hardness of materials is high during the production of the saw blades, the possibility of wood chip combustion is easily increased at high temperature, due to the particularity of wood cutting, the saw blades are difficult to cool by means of irrigating cooling liquid, and therefore air cooling can be realized only through wind disturbance generated when the saw blades rotate, but the cooling effect of the cooling mode is limited, and the cutting speed is difficult to increase.
SUMMERY OF THE UTILITY MODEL
Based on the problem, the utility model aims to provide a circular saw blade that the radiating effect is good, the chip removal is effectual.
Aiming at the problems, the following technical scheme is provided: a circular saw blade comprises two saw blade bodies which are mirror images and arranged at intervals, wherein a plurality of supporting bulges which are uniformly distributed along the circumferential direction are arranged at the outer edges of the adjacent saw blade bodies facing the radial direction of the saw blade bodies, a centrifugal channel is reserved between the adjacent supporting bulges, the supporting bulges are strip-shaped, the length direction of the supporting bulges faces the radial direction of the saw blade bodies, the surfaces of the two saw blade bodies are in butt joint with each other, a mounting hole which is opened in a communicating way is arranged at the central position of the saw blade bodies, a supporting ring which is coaxial with the mounting hole is arranged at the central position of the adjacent saw blade bodies, a plurality of sawteeth are arranged at the outer edge positions of the radial direction of the two saw blade bodies, the sawteeth are arranged in an even number, the sawteeth of the adjacent saw blade bodies are aligned at the circumferential position of the saw blade bodies, the sawteeth on the same saw blade body are inclined towards, and air inlet holes which are uniformly distributed around the mounting holes and are communicated with the gaps between the adjacent saw blade bodies are formed in the outer sides of the mounting holes.
In the structure, through set up the support arch between two saw bit bodies, and make and form centrifugal channel between the support arch, utilize centrifugal force to throw away the air from the inlet port suction and along the radial direction between two saw bit bodies when the saw bit rotates at a high speed, realize quick refrigerated purpose, the inlet port position can paste and attach the dust screen in order to avoid inhaling the saw-dust, the support ring is used for supporting two saw bit bodies when the saw bit is installed, the saw tooth sets up the timber that can effectively amputate between two saw bit bodies crisscross each other, compare its heat radiating area of current saw bit and increase by a wide margin, cooperation centrifugal cooling has improved cooling efficiency simultaneously greatly, can realize higher cutting speed under same race saw bit material, and the production efficiency is improved, and the production cost is reduced.
The utility model discloses further set up to, when the sawtooth on one of them saw bit body inclines towards another saw bit body direction, the offset of its slope back sawtooth blade is not less than two saw bit body interval distance half.
In the structure, the excessive wood between the two saw blade bodies can be completely cut off.
The utility model discloses further set up to, the clearance between the adjacent saw bit body is not less than saw bit body thickness.
In the above structure, the air flow rate is easily reduced due to the excessively small gap, and the possibility of the centrifugal passage being clogged with the solder when the two blade bodies are welded to each other by the supporting projection is increased.
The utility model discloses further set up to, support protruding number and sawtooth number count etc. between the two sawteeth on the same saw bit body of centrifugal channel orientation.
In the structure, the thrown air can be directly blown to the front tool face of the sawtooth, so that the aim of rapid chip removal and cooling is fulfilled.
The utility model discloses further set up to, the support arch is formed by the punching press of the saw bit body, and its protruding height is half of adjacent saw bit body clearance distance, welds through brazing between the support arch of the adjacent saw bit body.
In the structure, the supporting protrusions can be directly punched through the saw blade body to form protruding protrusions, and aiming at thinner saw blade bodies, the reduction of production processes is facilitated, and the increase of production cost is reduced.
The utility model discloses further set up to, support ring thickness equals with adjacent saw bit body clearance distance, through the compound pot bottom brazing machine welded fastening of high frequency between support ring and the saw bit body.
In the structure, the high-frequency composite pot bottom brazing machine can effectively reduce the deformation degree after welding by welding the support ring and the saw blade body, and is favorable for improving the flatness of the saw blade.
The utility model discloses further set up to, the inlet port is close to lateral wall to mounting hole center distance on one side of the mounting hole and is not less than saw bit mounting pad piece diameter.
In the structure, the air inlet hole can be prevented from being shielded by the gasket on the main shaft of the cutting machine when the saw blade is installed.
The utility model discloses further set up to, inlet port flow cross-section is not less than the sum of centrifugal channel cross-section quantity on the monolithic saw bit body.
In the above structure, an effective air inflow can be ensured.
The utility model has the advantages that: through set up the support arch between two saw bit bodies, and make and form centrifugal passage between the support arch, utilize centrifugal force to throw away the air from the inlet port suction and along the radial direction between two saw bit bodies when the saw bit rotates at a high speed, realize quick refrigerated purpose, the inlet port position can be pasted and attach the dust screen in order to avoid inhaling the saw-dust, the support ring is used for supporting two saw bit bodies when the saw bit installation, the saw bit sets up the timber that can effectively excise between two saw bit bodies each other in a staggered way, compare its heat radiating area of current saw bit and increase by a wide margin, the centrifugal cooling of cooperation simultaneously has improved cooling efficiency greatly, can realize higher cutting speed under same kind of saw bit material, and the production efficiency is improved, and the production cost is reduced.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is the overall full-section structure schematic diagram of the utility model.
Fig. 3 is an enlarged view of a portion a of fig. 1 according to the present invention.
Fig. 4 is an enlarged view of a portion B of fig. 2 according to the present invention.
The reference numbers in the figures mean: 10-a blade body; 11-a support protrusion; 12-a centrifugal channel; 13-mounting holes; 14-a support ring; 15-saw teeth; 151-cutting edge; 152-a rake surface; 16-air intake.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 4, a circular saw blade as shown in fig. 1 to 4 includes two saw blade bodies 10 that are mirror images and are arranged at intervals, a plurality of supporting protrusions 11 are disposed between adjacent saw blade bodies 10 toward the outer edge of the radial direction of the saw blade body 10, a centrifugal channel 12 is left between the adjacent supporting protrusions 11, the supporting protrusions 11 are strip-shaped, the length direction of the supporting protrusions faces the radial direction of the saw blade body 10, and the surfaces of the two saw blade bodies 10 are butted with each other, a mounting hole 13 is disposed at the center of the saw blade body 10, a supporting ring 14 coaxial with the mounting hole 13 is disposed at the center of the adjacent saw blade body 10, a plurality of saw teeth 15 are disposed at the outer edge of the radial direction of the two saw blade bodies 10, the saw teeth 15 are arranged in an even number, the saw teeth 15 of the adjacent saw blade bodies 10 are aligned with each other at the circumferential position of the saw blade body 10, the saw teeth 15 on the same saw blade body 10 are inclined toward both sides, the sawteeth 15 on the two saw blade bodies 10 at the same circumferential position are inclined towards the same direction, and air inlet holes 16 which are uniformly distributed around the mounting holes 13 and communicated with the gaps between the adjacent saw blade bodies 10 are formed in the outer sides of the mounting holes 13.
In the structure, through setting up support protrusion 11 between two blade bodies 10, and make and form centrifugal channel 12 between the support protrusion 11, utilize centrifugal force to throw away the air from inlet port 16 suction and along the radial direction between two blade bodies 10 when the saw bit rotates at a high speed, realize quick refrigerated purpose, inlet port 16 position can paste attaches dust screen (not shown in the figure) in order to avoid inhaling the saw-dust, support ring 14 is used for supporting two blade bodies 10 when the saw bit is installed, saw tooth 15 sets up the timber that can effectively excise between two blade bodies 10 crisscross each other, compare its heat radiating area of current saw bit and increase by a wide margin, cooperation centrifugal cooling has improved cooling efficiency greatly simultaneously, can realize higher cutting speed under same kind of saw bit material, and the production efficiency is improved, and the production cost is reduced.
In this embodiment, when the saw teeth 15 of one blade body 10 incline toward the other blade body 10, the offset of the cutting edge 151 of the inclined saw teeth 15 is not less than half of the distance between the two blade bodies 10.
In the above structure, the excessive wood between the two blade bodies 10 can be completely cut off.
In this embodiment, the gap between adjacent blade bodies 10 is not smaller than the thickness of the blade body 10.
In the above structure, the air flow rate is easily reduced due to the excessively small gap, and the possibility of the centrifugal passage 12 being clogged with the solder when the two blade bodies 10 are welded to each other by the support projection 11 is increased.
In this embodiment, the number of the supporting protrusions 11 is equal to the number of the saw teeth 15, and the centrifugal channel 12 faces between two saw teeth 15 on the same blade body 10.
In the above structure, the air thrown out can be directly blown to the rake face 152 of the sawtooth 15, thereby achieving the purpose of rapid chip removal and cooling.
In this embodiment, the supporting protrusions 11 are formed by punching the blade bodies 10, the height of the protrusions is half of the gap distance between adjacent blade bodies 10, and the supporting protrusions 11 of adjacent blade bodies 10 are welded by brazing.
In the structure, the supporting protrusions 11 can be directly stamped through the saw blade body 10 to form convex protrusions, so that the thinner saw blade body 10 is beneficial to reducing the production process and reducing the increase of the production cost.
In this embodiment, the thickness of the support ring 14 is equal to the gap distance between adjacent blade bodies 10, and the support ring 14 and the blade bodies 10 are welded and fixed by a high-frequency composite pot bottom brazing machine.
In the structure, the high-frequency composite pot bottom brazing machine can effectively reduce the deformation degree after welding by welding the support ring 14 and the saw blade body 10, and is favorable for improving the flatness of the saw blade.
In this embodiment, the distance from the side wall of the air inlet hole 16 close to one side of the mounting hole 13 to the center of the mounting hole 13 is not less than the diameter of the saw blade mounting pad.
In the structure, the air inlet hole 16 can be prevented from being shielded by a gasket on the main shaft of the cutting machine when the saw blade is installed.
In this embodiment, the flow cross section of the air holes 16 on the single blade body 10 is not less than the sum of the number of the cross sections of the centrifugal channels 12.
In the above structure, an effective air inflow can be ensured.
The utility model has the advantages that: through set up supporting protrusion 11 between two blade bodies 10, and make and form centrifugal channel 12 between the supporting protrusion 11, utilize centrifugal force to throw away the air from inlet port 16 suction and along the radial direction between two blade bodies 10 when the saw bit rotates at a high speed, realize quick refrigerated purpose, inlet port 16 position can paste attaches dust screen (not shown in the figure) in order to avoid inhaling the saw-dust, support ring 14 is used for supporting two blade bodies 10 when the saw bit is installed, saw tooth 15 sets up the timber that can effectively amputate between two blade bodies 10 in crisscross each other, its heat radiating area of comparison current saw bit increases by a wide margin, the centrifugal cooling of cooperation has simultaneously improved cooling efficiency greatly, can realize higher cutting speed under same kind of saw bit material, and the production efficiency is improved, and the production cost is reduced.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations of the above assumption should also be regarded as the protection scope of the present invention.
Claims (8)
1. A circular saw blade characterized in that: the saw blade comprises two saw blade bodies which are mirror images and are arranged at intervals, a plurality of supporting bulges which are uniformly distributed along the circumferential direction are arranged at the outer edge of the adjacent saw blade bodies facing the radial direction of the saw blade bodies, a centrifugal channel is reserved between the adjacent supporting bulges, the supporting bulges are strip-shaped, the length direction of the supporting bulges faces the radial direction of the saw blade bodies, the surfaces of the two saw blade bodies are butted with each other, a mounting hole which is opened in a communicating way is arranged at the central position of the saw blade bodies, a supporting ring which is coaxial with the mounting hole is arranged at the central position of the adjacent saw blade bodies, a plurality of sawteeth are arranged at the outer edge positions of the radial directions of the two saw blade bodies, the sawteeth are arranged in an even number, the sawteeth of the adjacent saw blade bodies are aligned at the circumferential position of the saw blade bodies, the sawteeth on the same saw blade body incline towards the two, and air inlet holes which are uniformly distributed around the mounting holes and are communicated with the gaps between the adjacent saw blade bodies are formed in the outer sides of the mounting holes.
2. A circular saw blade as defined in claim 1, wherein: when the saw teeth on one saw blade body incline towards the other saw blade body, the offset of the inclined saw tooth cutting edge is not less than half of the spacing distance between the two saw blade bodies.
3. A circular saw blade as defined in claim 1, wherein: the gap between adjacent saw blade bodies is not less than the thickness of the saw blade bodies.
4. A circular saw blade as defined in claim 1, wherein: the number of the supporting bulges is equal to that of the saw teeth, and the centrifugal channel faces between the two saw teeth on the same saw blade body.
5. A circular saw blade as defined in claim 1, wherein: the supporting protrusions are formed by punching saw blade bodies, the height of the protrusions is half of the gap distance between adjacent saw blade bodies, and the supporting protrusions of the adjacent saw blade bodies are welded through brazing.
6. A circular saw blade as defined in claim 1, wherein: the thickness of the support ring is equal to the gap distance between adjacent saw blade bodies, and the support ring and the saw blade bodies are welded and fixed through a high-frequency composite pot bottom brazing machine.
7. A circular saw blade as defined in claim 1, wherein: the distance from the side wall of the air inlet hole close to one side of the mounting hole to the center of the mounting hole is not less than the diameter of the saw blade mounting gasket.
8. A circular saw blade as defined in claim 1, wherein: the flow section of the air inlet hole on the single-blade saw blade body is not less than the sum of the sections of the centrifugal channels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979809.1U CN210254523U (en) | 2019-06-26 | 2019-06-26 | Circular saw blade |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920979809.1U CN210254523U (en) | 2019-06-26 | 2019-06-26 | Circular saw blade |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210254523U true CN210254523U (en) | 2020-04-07 |
Family
ID=70045551
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920979809.1U Expired - Fee Related CN210254523U (en) | 2019-06-26 | 2019-06-26 | Circular saw blade |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210254523U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681726A (en) * | 2021-08-24 | 2021-11-23 | 北新集团建材股份有限公司 | Gypsum board high-speed saw cutting system and tool bit thereof |
-
2019
- 2019-06-26 CN CN201920979809.1U patent/CN210254523U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113681726A (en) * | 2021-08-24 | 2021-11-23 | 北新集团建材股份有限公司 | Gypsum board high-speed saw cutting system and tool bit thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200407 Termination date: 20210626 |