CN211305090U - Gear hobbing clamp for shaft gear - Google Patents
Gear hobbing clamp for shaft gear Download PDFInfo
- Publication number
- CN211305090U CN211305090U CN201922140302.XU CN201922140302U CN211305090U CN 211305090 U CN211305090 U CN 211305090U CN 201922140302 U CN201922140302 U CN 201922140302U CN 211305090 U CN211305090 U CN 211305090U
- Authority
- CN
- China
- Prior art keywords
- base
- sleeve
- pull
- cover
- taper sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 210000001503 joint Anatomy 0.000 claims abstract description 7
- 238000003825 pressing Methods 0.000 claims abstract description 5
- 238000010030 laminating Methods 0.000 claims abstract description 3
- 210000004907 gland Anatomy 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 241000251468 Actinopterygii Species 0.000 abstract description 2
- 238000010923 batch production Methods 0.000 abstract description 2
- 238000009826 distribution Methods 0.000 abstract 1
- 238000003860 storage Methods 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 238000003754 machining Methods 0.000 description 3
- 230000003749 cleanliness Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000006748 scratching Methods 0.000 description 2
- 230000002393 scratching effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Images
Landscapes
- Gear Processing (AREA)
Abstract
The utility model discloses an axle tooth gear hobbing anchor clamps, the on-line screen storage device comprises a base, it is top down, draw the axle, go up the apex, clamping device is including drawing the cover, press from both sides tight piece and taper sleeve, draw the cover locate the axle of base in and rather than clearance fit, the upper portion of drawing the cover stretches out and overlaps and establish the taper sleeve, the taper sleeve is fixed with the butt joint of base top surface, it has the perforation to open on the lateral wall of drawing the cover, the perforation is done central symmetric distribution around the central line of drawing the axle, it wears to establish tight piece to correspond in the perforation, the lateral surface of pressing from both sides tight piece is the inclined plane, the laminating is counterpointed with the interior conical surface of taper sleeve to the inclined plane, wear to be equipped with axial locating pin on pressing from both sides tight piece, the. The utility model discloses a performance and manufacturing requirement are between heart-shaped clamp and collet chuck, and its simple structure, convenient operation, swift high-efficient, the good reliability can realize the quick accurate centering of shaft gear, solve fish tail, press from both sides the scheduling problem of hindering, satisfy the requirement of gear multiple varieties, high accuracy processing and batch production.
Description
Technical Field
The utility model belongs to the technical field of gear machining, specific theory relates to an axle tooth gear hobbing anchor clamps.
Background
The clamp adopted by the existing processing of the gear hobbing of the shaft gear is a heart clamp and an elastic chuck for clamping an excircle. The former has low positioning precision, poor rigidity, large clamping workload and inconvenient operation, and can not meet the processing technology requirements of high-efficiency and high-precision gears; the latter has strict requirements on the manufacturing accuracy and the service life of the collet chuck and the fit clearance between the workpiece and the collet chuck, otherwise the machining accuracy and the consistency of the gear are affected. When the clearance between the workpiece and the elastic chuck is too small, the workpiece is difficult to load and take out, the surface of the workpiece is easy to be damaged, and the positioning precision cannot be ensured due to too large clearance. Therefore, the traditional clamp has the problems of inconvenient operation, high manufacturing difficulty, easy scratching and surface clamping damage in processing and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, an object of the utility model is to provide an axle tooth hobbing clamp.
The utility model discloses the purpose realizes like this:
the utility model provides a gear hobbing clamp, includes base, top, axle, goes up top, clamping device down, the hypomere cartridge of top is in the shaft hole bottom of base down, clamping device locates in the shaft hole of base and connects the axle that draws, it is located directly over the base and just to go up top its key lies in down top: clamping device is including drawing cover, tight piece of clamp and taper sleeve, draw the cover to locate in the shaft hole of base and rather than clearance fit, should draw the upper portion of cover to stretch out and the cover is established the taper sleeve, this taper sleeve with the butt joint of base top surface is fixed, it has the perforation to open on the lateral wall of cover to draw, the perforation is done central symmetry around the central line of drawing the axle and is distributed, and it wears to establish to correspond in should perforating the tight piece of clamp, the lateral surface of pressing from both sides tight piece is the inclined plane, this inclined plane with the interior conical surface of taper sleeve is counterpointed the laminating, wear to be equipped with axial locating pin on the tight piece of clamp, the tip of this locating pin is worn out and is pressed from both sides tight piece and stretched into in the radial.
By adopting the structure, the clamping device replaces the original spring chuck structure, the pull sleeve can be pulled by the pull shaft to move downwards, the pull sleeve drives the clamping block to move downwards, the outer conical surface of the clamping block is contacted with the inner conical surface of the taper sleeve, and the clamping block moves towards the rotary center of the clamp and clamps a workpiece under the action of the conical surface of the taper sleeve; and the clamping block is guided and limited by the positioning pin. The framework is superior to a heart-shaped clamp in positioning precision, rigidity and operability, but the manufacturing difficulty of the framework is lower than that of a spring chuck, so that the cost of the clamp can be well controlled, and the production requirement can be met; meanwhile, the clamping device is convenient to replace, can be replaced aiming at different gear varieties, and is wider in application range.
Furthermore, the taper sleeve is fixed on the top surface of the base through a gland, the gland is sleeved on the extending part of the pull sleeve, and the taper sleeve is tightly pressed by the gland and then fixedly connected with the base through a bolt.
By adopting the structure, the taper sleeve is limited through the gland, the axial displacement and the radial displacement of the taper sleeve are limited, the surface cleanliness of the taper sleeve is ensured, the chips are prevented from entering between the taper sleeve and the clamp block, and the problems that the butt joint surface is scratched and even a workpiece is clamped are avoided.
Furthermore, the top of the pull sleeve is in butt joint with a dust cover, the edge of the dust cover covers the gland, a through hole is formed in the middle of the dust cover, and the size and the shape of the through hole are the same as those of the base shaft hole.
By adopting the structure, the dust cover further improves the cleanliness of the surfaces of the gland, the taper sleeve and the pull sleeve, further prevents chips from entering between the taper sleeve and the clamp block, and avoids the problems of scratching and even clamping workpieces on the butt joint surface.
Furthermore, the side wall of the pull sleeve is fixedly provided with anti-rotation key blocks which are distributed in a central axis central symmetry manner of the pull sleeve, the inner wall of the base shaft hole is provided with an axial guide groove corresponding to the anti-rotation key blocks, and the anti-rotation key blocks are limited in the guide groove and move along the axial direction. The pull sleeve is prevented from rotating, but the axial movement of the pull sleeve is not influenced.
Furthermore, the pull shaft is connected with the pull sleeve through a connecting disc, a guide sleeve and a fastening bolt, guide holes are symmetrically distributed in the center of the bottom of the shaft hole of the base, the guide sleeve penetrates through the guide holes and is in clearance fit, the upper surface of the connecting disc is abutted against the guide sleeve and correspondingly penetrates through the fastening bolt, the fastening bolt penetrates through the guide sleeve and is in threaded connection with the pull sleeve and is locked, the pull shaft is fixedly penetrated through the center of the connecting disc, and the lower section of the pull shaft is provided with threads and is connected with the pull rod.
By adopting the structure, the force is uniformly conducted through the connecting disc and the guide sleeve, the detachable installation is realized, and the accurate centering is ensured.
Preferably, the base is provided with an oil drain hole, and the inner end of the oil drain hole is communicated with the bottom of the base shaft hole. Adopt above-mentioned structure, the oil drain hole can be with the discharge such as lubricating oil and piece that fall into in the base shaft hole, avoids debris to lead to the fact negative effects to the removal and the assembly of drawing cover and product.
Has the advantages that:
the utility model relates to an axle tooth gear hobbing clamp, its performance and manufacturing requirement are between heart-shaped clamp and collet chuck, and its simple structure, convenient operation, swift high efficiency, the good reliability can realize the quick accurate centering of axle gear, solve fish tail, press from both sides the scheduling problem of hindering, can satisfy the requirement of gear multiple varieties, high accuracy processing and batch production.
Drawings
Fig. 1 is a schematic structural view of the present invention;
description of reference numerals:
the machining tool comprises a base 1, a lower tip 2, a pull shaft 3, an upper tip 4, a pull sleeve 5, a clamping block 6, a taper sleeve 7, a positioning pin 8, a gland 9, an anti-rotation key block 10, a guide groove 11, a dust cover 12, a connecting disc 13, a guide sleeve 14, a fastening bolt 15, a pull rod 16, an oil discharge hole 17 and a workpiece to be machined 18.
Detailed Description
The present invention will be further explained with reference to the following examples and drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Examples
As shown in fig. 1: the lower section of the lower tip 2 is inserted into the bottom of a shaft hole of the base 1, the clamping device is arranged in the shaft hole of the base 1 and connected with the pull shaft 3, the upper tip 4 is positioned right above the base 1 and is opposite to the lower tip 2, an oil discharge hole 17 is formed in the base 1, and the inner end of the oil discharge hole 17 is communicated with the bottom of the shaft hole of the base 1.
As shown in fig. 1: the clamping device is composed of a pull sleeve 5, a clamping block 6 and a taper sleeve 7, wherein the pull sleeve 5 is arranged in an axial hole of the base 1 and is in clearance fit with the axial hole, the upper part of the pull sleeve 5 extends out and is sleeved with the taper sleeve 7, the taper sleeve 7 is fixedly butted with the top surface of the base 1, a through hole is formed in the side wall of the pull sleeve 5, the through hole is centrally and symmetrically distributed around the central line of the pull shaft 3, the clamping block 6 correspondingly penetrates through the through hole, the outer side surface of the clamping block 6 is an inclined surface, the inclined surface is in alignment fit with the inner conical surface of the taper sleeve 7, an axial positioning pin 8 penetrates through the clamping block 6, and the end part of the positioning pin 8 penetrates out of the clamping block 6 and extends into a radial strip-shaped groove formed in the inner wall of the through hole.
As shown in fig. 1: the pull shaft 3 is connected with the pull sleeve 5 through a connecting plate 13, a guide sleeve 14 and a fastening bolt 15, guide holes are symmetrically distributed in the center of the bottom of a shaft hole of the base 1, the guide sleeve 14 penetrates through the guide holes and is in clearance fit with the guide sleeve 14, the upper surface of the connecting plate 13 is abutted against the guide sleeve 14 and correspondingly penetrates through the fastening bolt 15, the fastening bolt 15 penetrates through the guide sleeve 14 and is in threaded connection with the pull sleeve 5 and is locked, the pull shaft 3 is fixedly arranged at the center of the connecting plate 13 in a penetrating mode, and the lower section of the pull shaft 3 is provided with threads and is connected with a pull rod 16.
As shown in fig. 1: the anti-rotation device is characterized in that anti-rotation key blocks 10 are fixedly arranged on the side wall of the pull sleeve 5, the anti-rotation key blocks 10 are symmetrically distributed with the center of the central axis of the pull sleeve 5, axial guide grooves 11 are formed in the inner wall of the shaft hole of the base 1 corresponding to the anti-rotation key blocks 10, and the anti-rotation key blocks 10 are limited in the guide grooves 11 and move along the axial direction.
As shown in fig. 1: the taper sleeve 7 is fixed on the top surface of the base 1 through a gland 9, the gland 9 is sleeved on the extending part of the pull sleeve 5, and the taper sleeve 7 is tightly pressed by the gland 9 and then fixedly connected with the base 1 through a bolt. The top of the pull sleeve 5 is butted with a dustproof cover 12, the edge of the dustproof cover 12 covers the gland 9, the middle of the dustproof cover 12 is provided with a through hole, and the size and the shape of the through hole are the same as those of the shaft hole of the base 1.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (6)
1. The utility model provides a gear hobbing clamp, includes base (1), top (2) down, draws axle (3), goes up top (4), clamping device, the hypomere cartridge of top (2) down in the shaft hole bottom of base (1), clamping device locates in the shaft hole of base (1) and connect and draw axle (3), it is located to go up top (4) base (1) directly over and just to top (2) down, its characterized in that: clamping device is including drawing cover (5), pressing from both sides tight piece (6) and taper sleeve (7), draw cover (5) to locate in the shaft hole of base (1) and rather than clearance fit, should draw the upper portion of cover (5) to stretch out and establish taper sleeve (7), this taper sleeve (7) with base (1) top surface butt joint is fixed, it has the perforation to open on the lateral wall of drawing cover (5), the perforation is done central symmetry around the central line that draws axle (3) and is distributed, should wear to establish in the perforation correspond press from both sides tight piece (6), the lateral surface that presss from both sides tight piece (6) is the inclined plane, this inclined plane with the interior conical surface counterpoint laminating of taper sleeve (7), wear to be equipped with axial locating pin (8) on pressing from both sides tight piece (6), the tip of this locating pin (8) is worn out and is pressed from both sides tight piece (6) and is stretched into in the radial bar inslot that the perforation inner wall was seted up.
2. The gear hobbing clamp of claim 1, wherein: the taper sleeve (7) is fixed on the top surface of the base (1) through a gland (9), the gland (9) is sleeved on the extending portion of the pull sleeve (5), and the taper sleeve (7) is tightly pressed by the gland (9) and then fixedly connected with the base (1) through bolts.
3. The gear hobbing clamp of claim 2, wherein: the top of the pull sleeve (5) is in butt joint with a dustproof cover (12), the edge of the dustproof cover (12) covers the gland (9), a through hole is formed in the middle of the dustproof cover (12), and the through hole is the same as the shaft hole of the base (1) in size and shape.
4. The gear hobbing clamp of claim 2, wherein: the anti-rotation device is characterized in that anti-rotation key blocks (10) are fixedly arranged on the side wall of the pull sleeve (5), the anti-rotation key blocks (10) are distributed in a central axis central symmetry mode of the pull sleeve (5), axial guide grooves (11) are formed in the inner wall of the shaft hole of the base (1) corresponding to the anti-rotation key blocks (10), and the anti-rotation key blocks (10) are limited in the guide grooves (11) and move along the axial direction.
5. The gear hobbing clamp of claim 2, wherein: the pull shaft (3) is connected with the pull sleeve (5) through a connecting disc (13), a guide sleeve (14) and a fastening bolt (15), guide holes are symmetrically distributed in the center of the bottom of a shaft hole of the base (1), the guide sleeve (14) penetrates through the guide holes and is in clearance fit, the upper surface of the connecting disc (13) is abutted to the guide sleeve (14) and correspondingly penetrates through the fastening bolt (15), the fastening bolt (15) penetrates through the guide sleeve (14) and is in threaded connection with the pull sleeve (5) and locked, the pull shaft (3) is fixedly penetrated through the center of the connecting disc (13), and the lower section of the pull shaft (3) is provided with threads and is connected with a pull rod (16).
6. The gear hobbing clamp of claim 1, wherein: an oil discharge hole (17) is formed in the base (1), and the inner end of the oil discharge hole (17) is communicated with the bottom of the shaft hole of the base (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140302.XU CN211305090U (en) | 2019-12-03 | 2019-12-03 | Gear hobbing clamp for shaft gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922140302.XU CN211305090U (en) | 2019-12-03 | 2019-12-03 | Gear hobbing clamp for shaft gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211305090U true CN211305090U (en) | 2020-08-21 |
Family
ID=72077019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922140302.XU Expired - Fee Related CN211305090U (en) | 2019-12-03 | 2019-12-03 | Gear hobbing clamp for shaft gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211305090U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518285A (en) * | 2020-11-18 | 2022-05-20 | 天水铁路电缆有限责任公司 | A fixture for flaring test of alloy sheathed sleeve of railway through ground wire |
| CN115446396A (en) * | 2022-09-20 | 2022-12-09 | 中国航发中传机械有限公司 | Taper sleeve fastening type self-centering hobbing clamp structure and using method thereof |
| CN115716189A (en) * | 2022-11-09 | 2023-02-28 | 汉德车桥(株洲)齿轮有限公司 | A processing method for a single-key keyway of a double countershaft helical gear |
-
2019
- 2019-12-03 CN CN201922140302.XU patent/CN211305090U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114518285A (en) * | 2020-11-18 | 2022-05-20 | 天水铁路电缆有限责任公司 | A fixture for flaring test of alloy sheathed sleeve of railway through ground wire |
| CN115446396A (en) * | 2022-09-20 | 2022-12-09 | 中国航发中传机械有限公司 | Taper sleeve fastening type self-centering hobbing clamp structure and using method thereof |
| CN115716189A (en) * | 2022-11-09 | 2023-02-28 | 汉德车桥(株洲)齿轮有限公司 | A processing method for a single-key keyway of a double countershaft helical gear |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211305090U (en) | Gear hobbing clamp for shaft gear | |
| CN112643572B (en) | Thin-wall shell part inner hole clamping and positioning tool | |
| CN203380441U (en) | Shaft type gear clamp | |
| CN108723807A (en) | A kind of engine blade numerical control machining tool | |
| CN202271199U (en) | Fixture clamp for broaching timing gear key groove on hydraulic broacher | |
| CN214518986U (en) | Numerical control machine tool fixture | |
| CN206185558U (en) | Same internal hole positioning and closing device | |
| CN211614996U (en) | Knife handle adjusting mechanism and main shaft | |
| JPS5946723B2 (en) | drilling tool | |
| CN106695375B (en) | The frock clamp of positioning hole machined for adapter | |
| CN111168425A (en) | Clamp for machining inclined plane of small end of connecting rod | |
| CN217019387U (en) | Semi-automatic material anchor clamps that rise | |
| CN222243754U (en) | Novel back shaft clamp for lathe | |
| CN201423472Y (en) | Face gear broaching fixture device | |
| CN221849373U (en) | A strong tool handle for easy tool change | |
| CN216882844U (en) | A clamping device for single-sided six-axis machining of crankcase right cover | |
| CN214109518U (en) | A special fixture for drilling the lever parts of lathes | |
| CN211387870U (en) | Combined tool changing arm of machining center | |
| CN209774066U (en) | Multifunctional clamp | |
| CN210099822U (en) | A regulation type mechanical clamping structure for processing of aluminum mould board | |
| CN102649241B (en) | Slant hole drilling clamp of output shaft part of automobile gear box | |
| CN209935926U (en) | Clamp for boring | |
| CN218696215U (en) | Large-area plate body suspension machining supporting device | |
| CN208147298U (en) | A kind of elasticity presses tooling | |
| CN208788020U (en) | A kind of pin shaft clamping device |
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: 20200821 Termination date: 20211203 |