CN112388063B - Hard alloy tooth hole saw - Google Patents
Hard alloy tooth hole saw Download PDFInfo
- Publication number
- CN112388063B CN112388063B CN202011229341.8A CN202011229341A CN112388063B CN 112388063 B CN112388063 B CN 112388063B CN 202011229341 A CN202011229341 A CN 202011229341A CN 112388063 B CN112388063 B CN 112388063B
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- hole saw
- buffer
- rotary drum
- noise reduction
- mounting seat
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- 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
- B23D57/00—Sawing machines or sawing devices not covered by one of the preceding groups B23D45/00 - B23D55/00
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
Abstract
The invention discloses a hard alloy tooth hole saw, belongs to the technical field of hole saws, and solves the problems that a sleeve is damaged due to the fact that the vibration frequency is too high when an existing device sleeve works, and the service life of the device is shortened; the technical characteristics are that: the automatic punching machine comprises a mounting seat and a rotary drum, wherein the rotary drum is arranged above the mounting seat, a working motor is fixedly arranged in the mounting seat, the rotary drum is fixedly connected with the output end of the working motor, the rotary drum is rotationally connected with the mounting seat, a tooth hole saw assembly is arranged above the rotary drum, the tooth hole saw assembly is fixedly connected with the rotary drum through a damping mechanism, the tooth hole saw assembly comprises saw teeth, and the saw teeth are fixedly arranged on the saw tooth mounting seat; the embodiment of the invention is provided with the damping mechanism, the damping mechanism realizes the buffer protection of the embodiment of the invention, and meanwhile, the buffer assembly realizes the buffer protection of the internal thread sleeve, thereby indirectly realizing the buffer protection of the hole saw assembly and avoiding the damage of the hole saw assembly.
Description
Technical Field
The invention relates to the technical field of hole saws, in particular to a hard alloy tooth hole saw.
Background
The tooth hole saw is one of the saws, a motor is needed to drive the rotary drum to rotate when the tooth hole saw is used, the rotary drum drives the saw teeth to work when rotating, the raw materials are cut, the application range of the tooth hole saw is very wide, and the tooth hole saw is quite wide in application range;
when the traditional hole saw is used for a long time, certain heat can be generated, certain influence can be generated on the operation, certain scraps can be adsorbed on the outer wall and the inner wall of the sleeve after the operation is finished, hands are easily injured by saw teeth when the traditional hole saw is manually wiped, the safety performance is lower, and the overall use effect is reduced.
Chinese patent CN210010502U discloses a multi-tooth hole saw adopting a radiating long and short slotted hole structure, a threaded rod is connected to the bottom end of the sleeve in a threaded manner, the top end of the threaded rod penetrates through the sleeve and extends to the inside of the sleeve, one end of the threaded rod extending to the inside of the sleeve is fixedly connected with a drill bit, the inner wall of the first annular plate is fixedly connected with a first brush plate, two sides of the inner wall of the first brush plate are fixedly connected with cross plates, and two opposite sides of the two cross plates are fixedly connected with second brush plates, but the sleeve of the device is too high in vibration frequency during working, so that the sleeve is damaged, and the service life of the device is shortened.
Disclosure of Invention
The invention aims to provide a hard alloy tooth hole saw which comprises a mounting seat and a rotary drum, wherein the rotary drum is arranged above the mounting seat, a working motor is fixedly arranged in the mounting seat, the output end of the working motor is fixedly connected with the rotary drum, the rotary drum is rotationally connected with the mounting seat, a tooth hole saw component is arranged above the rotary drum and fixedly connected with the rotary drum through a damping mechanism, the tooth hole saw component comprises saw teeth, the saw teeth are fixedly arranged on the saw tooth mounting seat, and a noise reduction component for reducing noise is arranged in the saw teeth so as to solve the problems that the sleeve is damaged due to overhigh vibration frequency when the sleeve of the traditional device works, and the service life of the device is shortened.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a carbide tooth hole saw, includes mount pad and rotary drum, and the top of mount pad is provided with the rotary drum, and fixed mounting has the work motor in the mount pad, and the output fixedly connected with rotary drum of work motor, rotary drum and mount pad rotate to be connected, and the top of rotary drum is provided with the tooth hole saw subassembly, and the tooth hole saw passes through damper and rotary drum fixed connection, and the tooth hole saw subassembly includes the sawtooth, and sawtooth fixed mounting is provided with the subassembly of making an uproar that falls that is used for making an uproar in the sawtooth on the sawtooth mount pad.
As a further scheme of the invention: the noise reduction assembly comprises a noise reduction groove and a noise reduction groove, the noise reduction groove is arranged in the middle of the saw teeth, a plurality of noise reduction grooves are circumferentially arranged outside the noise reduction groove, the noise reduction groove is communicated with the noise reduction groove through a connecting pipe, a plurality of sound absorbing cottons are uniformly distributed in the connecting pipe along the noise reduction groove and the noise reduction groove connecting axis, a connecting ring for protecting the saw tooth mounting seat is arranged between the saw tooth mounting seat and the rotating drum, and the connecting ring is made of an elastomer material.
As still further aspects of the invention: the damping mechanism comprises an adjusting rotating wheel, an adjusting screw and a buffering cavity, wherein the buffering cavity is arranged in the rotating drum, an internal thread sleeve is arranged in the buffering cavity, the internal thread sleeve is sleeved outside the adjusting screw, the adjusting screw is connected with the internal thread sleeve through threads, the upper end of the adjusting screw penetrates through the rotating drum, the adjusting rotating wheel is fixedly connected with the adjusting screw, and the adjusting screw is connected with the hole saw assembly in a rotating mode through a connecting sleeve.
As still further aspects of the invention: the buffer cavity is internally provided with a plurality of buffer components for protecting the internal thread sleeve, the buffer components are fixedly arranged on the bottom plate, the bottom plate is fixedly connected with the buffer cavity through the positioning screw, the positioning screw is connected with the bottom plate through threads, and a buffer block for protecting the bottom plate is arranged between the bottom plate and the side wall of the buffer cavity and is made of rubber materials.
As still further aspects of the invention: the buffer component is symmetrically arranged about the vertical central axis of the internal thread sleeve, and a positioning seat used for limiting the buffer component is sleeved outside the buffer component on one side of the displacement internal thread sleeve and fixedly connected with the buffer component.
As still further aspects of the invention: the buffer assembly comprises a push plate and a limit sleeve, wherein a push rod is arranged in the push plate, one end of the push rod is fixedly provided with a slide plate, the slide plate is in sliding connection with the limit sleeve, the other end of the push rod is fixedly connected with the push plate, a protection block is sleeved outside the push plate, the protection block is made of sponge materials, a buffer spring for protecting the slide plate is fixedly arranged in the limit sleeve, and one end of the buffer spring is fixedly connected with the slide plate.
As still further aspects of the invention: the lateral wall equipartition of rotary drum has a plurality of heat dissipation grooves, and the inner wall circumference of heat dissipation groove is provided with a plurality of heat absorption cottons, and the surface equipartition of heat absorption cottons has a plurality of heat absorption holes, is provided with the shock attenuation cover that is used for protecting working motor in the mount pad, and shock attenuation cover fixed mounting is in the mount pad, and the outside cover of mount pad is equipped with the lantern ring.
In summary, the beneficial effects of the invention are as follows: the embodiment of the invention is provided with the damping mechanism, the damping mechanism realizes the buffer protection of the embodiment of the invention, and meanwhile, the buffer assembly realizes the buffer protection of the internal thread sleeve, so that the buffer protection of the hole saw assembly is indirectly realized, the damage of the hole saw assembly is avoided, the noise absorption is realized by the arrangement of the sound absorbing cotton, and a large amount of noise is avoided when the embodiment of the invention works.
Drawings
Fig. 1 is a schematic diagram of the structure of the invention.
Fig. 2 is a schematic structural diagram of a noise reduction assembly according to the present invention.
Fig. 3 is a schematic structural view of a shock absorbing mechanism according to the present invention.
FIG. 4 is a schematic view of a buffer assembly according to the present invention.
Fig. 5 is a schematic diagram of the structure of the protection block in the invention.
Fig. 6 is a schematic structural view of a shock absorbing cap according to the present invention.
In the figure: 1-mount, 2-shock-absorbing cover, 3-work motor, 4-lantern ring, 5-radiating groove, 6-heat absorbing cotton, 7-sawtooth mount, 8-sawtooth, 9-noise reduction assembly, 10-connecting ring, 11-damper mechanism, 12-noise reduction groove, 13-connecting pipe, 14-sound absorbing cotton, 15-noise reduction groove, 16-adjusting rotating wheel, 17-connecting sleeve, 18-internal thread sleeve, 19-buffer assembly, 20-buffer block, 21-positioning screw, 22-positioning seat, 23-protection block, 24-push plate, 25-limit sleeve, 26-push rod, 27-slide plate, 28-buffer spring, 29-rotary drum, 30-adjusting screw.
Description of the embodiments
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples
As shown in fig. 1, in the embodiment of the invention, a hard alloy tooth hole saw comprises a mounting seat 1 and a rotary drum 29, wherein the rotary drum 29 is arranged above the mounting seat 1, a working motor 3 is fixedly arranged in the mounting seat 1, the output end of the working motor 3 is fixedly connected with the rotary drum 29, the rotary drum 29 is rotationally connected with the mounting seat 1, a tooth hole saw assembly is arranged above the rotary drum 29, and the tooth hole saw assembly is fixedly connected with the rotary drum 29 through a damping mechanism 11;
the hole saw assembly comprises saw teeth 8, wherein the saw teeth 8 are fixedly arranged on a saw tooth mounting seat 7, and a noise reduction assembly 9 for reducing noise is arranged in the saw teeth 8;
as shown in fig. 2, the noise reduction assembly 9 comprises a noise reduction groove 12 and a noise reduction groove 15, the noise reduction groove 12 is arranged in the middle of the saw tooth 8, a plurality of noise reduction grooves 15 are circumferentially arranged outside the noise reduction groove 12, the noise reduction grooves 15 and the noise reduction groove 12 are communicated through a connecting pipe 13, a plurality of sound absorption cotton 14 are uniformly distributed in the connecting pipe 13 along the connecting axis of the noise reduction groove 12 and the noise reduction groove 15, the sound absorption cotton 14 is arranged to absorb noise, a large amount of noise is prevented from being generated when the embodiment of the invention works, and the cross section of the sound absorption cotton 14 is of a V-shaped structure;
a connecting ring 10 for protecting the sawtooth mounting seat 7 is arranged between the sawtooth mounting seat 7 and the rotary drum 29, and the connecting ring 10 is made of an elastomer material.
As shown in fig. 3, the damping mechanism 11 comprises an adjusting rotating wheel 16, an adjusting screw 30 and a buffer cavity, the buffer cavity is arranged in a rotating cylinder 29, an internal thread sleeve 18 is arranged in the buffer cavity, the internal thread sleeve 18 is sleeved outside the adjusting screw 30, the adjusting screw 30 is connected with the internal thread sleeve 18 through threads, the upper end of the adjusting screw 30 penetrates through the rotating cylinder 29 and is fixedly connected with the adjusting rotating wheel 16, and the adjusting screw 30 is rotationally connected with a hole saw component through a connecting sleeve 17;
when the position of the hole saw assembly needs to be adjusted, the adjusting rotating wheel 16 is rotated, the adjusting rotating wheel 16 drives the adjusting screw 30 to rotate, and the internal thread sleeve 18 drives the adjusting screw 30 and the hole saw assembly to move up and down, so that the position of the hole saw assembly is adjusted;
a plurality of buffer assemblies 19 for protecting the internal thread sleeves 18 are arranged in the buffer cavity, the buffer assemblies 19 are fixedly arranged on a bottom plate, the bottom plate is fixedly connected with the buffer cavity through a positioning screw 21, the positioning screw 21 is connected with the bottom plate through threads, a buffer block 20 for protecting the bottom plate is arranged between the bottom plate and the side wall of the buffer cavity, and the buffer block 20 is made of rubber materials;
the buffer component 19 is symmetrically arranged about the vertical central axis of the internal thread sleeve 18, and a positioning seat 22 for limiting the buffer component 19 is sleeved outside the buffer component 19 on one side of the displacement internal thread sleeve 18, and the buffer component 19 is fixedly connected with the positioning seat 22.
Examples
As shown in fig. 1, in the embodiment of the invention, a hard alloy tooth hole saw comprises a mounting seat 1 and a rotary drum 29, wherein the rotary drum 29 is arranged above the mounting seat 1, a working motor 3 is fixedly arranged in the mounting seat 1, the output end of the working motor 3 is fixedly connected with the rotary drum 29, the rotary drum 29 is rotationally connected with the mounting seat 1, a tooth hole saw assembly is arranged above the rotary drum 29, and the tooth hole saw is fixedly connected with the rotary drum 29 through a damping mechanism 11;
the hole saw assembly comprises saw teeth 8, wherein the saw teeth 8 are fixedly arranged on a saw tooth mounting seat 7, and a noise reduction assembly 9 for reducing noise is arranged in the saw teeth 8;
as shown in fig. 2, the noise reduction assembly 9 comprises a noise reduction groove 12 and a noise reduction groove 15, the noise reduction groove 12 is arranged in the middle of the saw tooth 8, a plurality of noise reduction grooves 15 are circumferentially arranged outside the noise reduction groove 12, the noise reduction grooves 15 and the noise reduction groove 12 are communicated through a connecting pipe 13, a plurality of sound absorption cotton 14 are uniformly distributed in the connecting pipe 13 along the connecting axis of the noise reduction groove 12 and the noise reduction groove 15, the sound absorption cotton 14 is arranged to absorb noise, a large amount of noise is prevented from being generated when the embodiment of the invention works, and the cross section of the sound absorption cotton 14 is of a V-shaped structure;
a connecting ring 10 for protecting the sawtooth mounting seat 7 is arranged between the sawtooth mounting seat 7 and the rotary drum 29, and the connecting ring 10 is made of an elastomer material.
As shown in fig. 3, the damping mechanism 11 comprises an adjusting rotating wheel 16, an adjusting screw 30 and a buffer cavity, the buffer cavity is arranged in a rotating cylinder 29, an internal thread sleeve 18 is arranged in the buffer cavity, the internal thread sleeve 18 is sleeved outside the adjusting screw 30, the adjusting screw 30 is connected with the internal thread sleeve 18 through threads, the upper end of the adjusting screw 30 penetrates through the rotating cylinder 29 and is fixedly connected with the adjusting rotating wheel 16, and the adjusting screw 30 is rotationally connected with a hole saw component through a connecting sleeve 17;
when the position of the hole saw assembly needs to be adjusted, the adjusting rotating wheel 16 is rotated, the adjusting rotating wheel 16 drives the adjusting screw 30 to rotate, and the internal thread sleeve 18 drives the adjusting screw 30 and the hole saw assembly to move up and down, so that the position of the hole saw assembly is adjusted;
a plurality of buffer assemblies 19 for protecting the internal thread sleeves 18 are arranged in the buffer cavity, the buffer assemblies 19 are fixedly arranged on a bottom plate, the bottom plate is fixedly connected with the buffer cavity through a positioning screw 21, the positioning screw 21 is connected with the bottom plate through threads, a buffer block 20 for protecting the bottom plate is arranged between the bottom plate and the side wall of the buffer cavity, and the buffer block 20 is made of rubber materials;
the buffer assembly 19 is symmetrically arranged about the vertical central axis of the internal thread sleeve 18, a positioning seat 22 for limiting the buffer assembly 19 is sleeved outside the buffer assembly 19 on one side of the displacement internal thread sleeve 18, and the buffer assembly 19 is fixedly connected with the positioning seat 22;
as shown in fig. 4-5, the buffer assembly 19 comprises a push plate 24 and a limit sleeve 25, wherein a push rod 26 is arranged in the push plate 24, one end of the push rod 26 is fixedly provided with a slide plate 27, the slide plate 27 is in sliding connection with the limit sleeve 25, the other end of the push rod 26 is fixedly connected with the push plate 24, a protection block 23 is sleeved outside the push plate 24, the protection block 23 is made of sponge materials, a buffer spring 28 for protecting the slide plate 27 is fixedly arranged in the limit sleeve 25, and one end of the buffer spring 28 is fixedly connected with the slide plate 27;
the buffer assembly 19 is arranged to realize buffer protection of the internal thread sleeve 18, so that buffer protection of the hole saw assembly is indirectly realized, and damage of the hole saw assembly is avoided;
the lateral wall equipartition of rotary drum 29 has a plurality of heat dissipation grooves 5, and the inner wall circumference of heat dissipation groove 5 is provided with a plurality of heat absorption cottons 6, and the surface equipartition of heat absorption cottons 6 has a plurality of heat absorption holes, and the heat absorption downthehole packing of heat absorption has the heat absorbing material.
As shown in fig. 6, a shock absorbing cover 2 for protecting a working motor 3 is arranged in the mounting seat 1, the shock absorbing cover 2 is fixedly arranged in the mounting seat 1, and a lantern ring 4 is sleeved outside the mounting seat 1.
In summary, the working principle of the invention is as follows: when the position of the hole saw assembly needs to be adjusted, the adjusting rotating wheel 16 is rotated, the adjusting rotating wheel 16 drives the adjusting screw 30 to rotate, and the internal thread sleeve 18 drives the adjusting screw 30 and the hole saw assembly to move up and down, so that the position of the hole saw assembly is adjusted;
the buffer assembly 19 is arranged to buffer and protect the internal thread sleeve 18, so that the buffer and protection of the hole saw assembly is indirectly realized, and the damage of the hole saw assembly is avoided.
The arrangement of the sound absorbing cotton 14 realizes the absorption of noise and avoids a great deal of noise generated during the working of the embodiment of the invention.
The embodiment of the invention is provided with the damping mechanism 11, the damping mechanism 11 realizes the buffer protection of the embodiment of the invention, and meanwhile, the buffer assembly 19 realizes the buffer protection of the internal thread sleeve 18, thereby indirectly realizing the buffer protection of the hole saw assembly, avoiding the damage of the hole saw assembly, absorbing the noise by the arrangement of the sound absorbing cotton 14 and avoiding a large amount of noise generated during the working of the embodiment of the invention.
It will be apparent to those skilled in the art that although several embodiments and examples of the present invention have been described, these embodiments and examples are presented by way of example and are not intended to limit the scope of the invention. These novel embodiments can be implemented in various other modes, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and their equivalents.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (8)
1. The hard alloy tooth hole saw comprises a mounting seat (1) and a rotary drum (29), wherein the rotary drum (29) is arranged above the mounting seat (1), a working motor (3) is fixedly arranged in the mounting seat (1), and the hard alloy tooth hole saw is characterized in that the rotary drum (29) is fixedly connected with the output end of the working motor (3), the rotary drum (29) is rotationally connected with the mounting seat (1), a tooth hole saw component is arranged above the rotary drum (29), and the tooth hole saw component is fixedly connected with the rotary drum (29) through a damping mechanism (11); the damping mechanism (11) comprises an adjusting rotating wheel (16), an adjusting screw (30) and a buffer cavity, wherein the buffer cavity is arranged in the rotating cylinder (29), an internal thread sleeve (18) is arranged in the buffer cavity, the internal thread sleeve (18) is sleeved outside the adjusting screw (30), the adjusting screw (30) is connected with the internal thread sleeve (18) through threads, the upper end of the adjusting screw (30) penetrates through the rotating cylinder (29), the adjusting rotating wheel (16) is fixedly connected, and the adjusting screw (30) is rotationally connected with the tooth hole saw assembly through a connecting sleeve (17); the buffer cavity is internally provided with a plurality of buffer components (19) for protecting the internal thread sleeve (18), the buffer components (19) are fixedly arranged on the bottom plate, the bottom plate is fixedly connected with the buffer cavity through a positioning screw (21), the positioning screw (21) is connected with the bottom plate through threads, and a buffer block (20) for protecting the bottom plate is arranged between the bottom plate and the side wall of the buffer cavity.
2. A cemented carbide hole saw according to claim 1, wherein the hole saw assembly comprises serrations (8), the serrations (8) being fixedly mounted on a serration mount (7), a noise reducing assembly (9) being provided in the serrations (8) for reducing noise.
3. The hard alloy tooth hole saw according to claim 2, wherein the noise reduction assembly (9) comprises a noise reduction groove (12) and a noise reduction groove (15), the noise reduction groove (12) is arranged in the middle of the saw tooth (8), a plurality of noise reduction grooves (15) are circumferentially arranged outside the noise reduction groove (12), the noise reduction groove (15) and the noise reduction groove (12) are communicated through a connecting pipe (13), and a plurality of sound absorbing cottons (14) are uniformly distributed in the connecting pipe (13) along the connecting axis of the noise reduction groove (12) and the noise reduction groove (15).
4. Cemented carbide hole saw according to claim 2, characterized in that a connection ring (10) for protecting the saw tooth mount (7) is arranged between the saw tooth mount (7) and the drum (29), the connection ring (10) being made of an elastomer material.
5. Cemented carbide hole saw according to claim 1, characterized in that the bumper block (20) is made of rubber material.
6. Cemented carbide hole saw according to claim 1, characterized in that the buffer assembly (19) is arranged symmetrically with respect to the vertical central axis of the internally threaded sleeve (18), and that the buffer assembly (19) on the side of the internally threaded sleeve (18) is externally sleeved with a positioning seat (22) for limiting the buffer assembly (19), the buffer assembly (19) being fixedly connected with the positioning seat (22).
7. The hard alloy tooth hole saw according to claim 6, wherein the buffer assembly (19) comprises a push plate (24) and a limit sleeve (25), a push rod (26) is arranged in the push plate (24), one end of the push rod (26) is fixedly provided with a sliding plate (27), the sliding plate (27) is in sliding connection with the limit sleeve (25), the other end of the push rod (26) is fixedly connected with the push plate (24), a protection block (23) is sleeved outside the push plate (24), the protection block (23) is made of sponge materials, a buffer spring (28) for protecting the sliding plate (27) is fixedly arranged in the limit sleeve (25), and one end of the buffer spring (28) is fixedly connected with the sliding plate (27).
8. The hard alloy tooth hole saw according to any one of claims 1 to 4, wherein a plurality of heat dissipation grooves (5) are uniformly distributed on the side wall of the rotary drum (29), a plurality of heat absorption cotton (6) are circumferentially arranged on the inner wall of the heat dissipation grooves (5), a plurality of heat absorption holes are uniformly distributed on the surface of the heat absorption cotton (6), a shock absorption cover (2) for protecting the working motor (3) is arranged in the mounting seat (1), the shock absorption cover (2) is fixedly mounted in the mounting seat (1), and a lantern ring (4) is sleeved outside the mounting seat (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011229341.8A CN112388063B (en) | 2020-11-06 | 2020-11-06 | Hard alloy tooth hole saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011229341.8A CN112388063B (en) | 2020-11-06 | 2020-11-06 | Hard alloy tooth hole saw |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112388063A CN112388063A (en) | 2021-02-23 |
| CN112388063B true CN112388063B (en) | 2023-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011229341.8A Active CN112388063B (en) | 2020-11-06 | 2020-11-06 | Hard alloy tooth hole saw |
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| CN (1) | CN112388063B (en) |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7658136B2 (en) * | 2004-12-22 | 2010-02-09 | Black & Decker Inc. | Hole saw blade |
| CN104400839A (en) * | 2014-11-19 | 2015-03-11 | 辽宁科技大学 | Vibration reduction hole saw for cutting large hole of wood board |
| CN209239209U (en) * | 2018-10-11 | 2019-08-13 | 南京方锐机械有限公司 | A kind of improved metal hole-opener of structure |
| CN209849950U (en) * | 2019-03-18 | 2019-12-27 | 江苏环球机械工具有限公司 | Hole digger drill bit assembly |
| CN210010503U (en) * | 2019-05-15 | 2020-02-04 | 杭州萧山强森工具有限公司 | Low-noise portable diamond drill bit for hole saw |
| CN211192182U (en) * | 2019-11-22 | 2020-08-07 | 杭州益丰五金工具有限公司 | Hole saw with adjustable size |
| CN211331482U (en) * | 2019-12-13 | 2020-08-25 | 诸暨瑞宝特五金工具有限公司 | Alloy perforator |
-
2020
- 2020-11-06 CN CN202011229341.8A patent/CN112388063B/en active Active
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| CN112388063A (en) | 2021-02-23 |
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