CN204975569U - Gear hobbing fastening clamping device - Google Patents
Gear hobbing fastening clamping device Download PDFInfo
- Publication number
- CN204975569U CN204975569U CN201520553328.6U CN201520553328U CN204975569U CN 204975569 U CN204975569 U CN 204975569U CN 201520553328 U CN201520553328 U CN 201520553328U CN 204975569 U CN204975569 U CN 204975569U
- Authority
- CN
- China
- Prior art keywords
- back shaft
- regulating block
- gear hobbing
- bar
- motion bar
- 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
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- Gears, Cams (AREA)
Abstract
The utility model discloses a gear hobbing fastening clamping device, be provided with a plurality of centre gripping units at the back shaft interval, be provided with a plurality of external screw threads district on the back shaft outer wall, wheel flange and external screw thread district screw -thread fit, it is provided with the movable rod to slide in the back shaft, the rectangular channel has all been opened to both sides about the movable rod, the bottom of rectangular channel is fixed with the cross -section for curved protruding, the bell mouth just steadilys decrease along the back shaft to protruding arc top and aperture radially outwards, the regulating block slip sets up in the bell mouth and its both sides wall cooperatees with the bell mouth inner wall, the cross -section of regulating block bottom is convex. When touching with prominent arc apical grafting when the bottom of regulating block arc top, the ascending displacement maxmizing of regulating block, regulating block utilize on its both sides wall the end face contaction of male cone (strobilus masculinus) and tooth base and produce and extrudees relatively for fastening dynamics between two tooth bases increases again, and then reduces the removal deviation of tooth base, reaches the purpose that improves the gear hobbing processing precision.
Description
Technical field
The utility model relates to Gear Processing field, specifically refers to a kind of gear hobbing fastening clamp device.
Background technology
In the processing technology of gear hobbing, Hobbing belongs to generating, the wheel and rack transmission that can will regard as without back lash.When gear hobbing rotates a circle, be equivalent to tooth bar and move a cutter tooth in normal direction, the continuous transmission of hobboing cutter, just as the tooth bar of an endless at continuous moving.When between hobboing cutter and gear hobbing base in strict accordance with gear when the gearratio positively engaging transmission of tooth bar, the envelope of cutter tooth on a series of position of hobboing cutter just defines the involute profile of workpiece.Along with the vertical feed of hobboing cutter, required involute profile can be gone out by rolling cut.
But in actual mechanical process, usually adopt two or plural tooth base carries out rolling cut, to improve working (machining) efficiency simultaneously.But the fixing impact being easily subject to many factors of gear ring, install as hobboing cutter and misalign, after hobboing cutter sharpening, the radial error of lip surface increases, and fixture produces runout etc., all can affect the machining accuracy of tooth base, increases the scrappage of tooth base.
Utility model content
The purpose of this utility model is to provide a kind of gear hobbing fastening clamp device, facilitates the tightness of tooth base when rolling cut, and tooth base carries out trace adjustment, reaches the object improving machining accuracy.
The purpose of this utility model is achieved through the following technical solutions:
A kind of gear hobbing fastening clamp device, comprise link and be fixed on the back shaft of the hollow on link, multiple grip unit is arranged at intervals with at described back shaft, described grip unit comprises wheel flange, two regulating blocks and two are opened in the bellmouth of the upper and lower both sides of back shaft, back shaft outer wall is provided with multiple external screw thread district, described wheel flange and external screw thread district threaded engagement, slide in described back shaft and be provided with motion bar, the upper and lower both sides of described motion bar all have rectangular channel, the bottom of rectangular channel is fixed with the projection that cross section is arc, described bellmouth just to projection arc top and aperture radially successively decrease along back shaft, regulating block is slidably arranged in bellmouth and its two side and matches with bellmouth inwall, the cross section of regulating block bottom is circular arc.
When the utility model uses, link is then fixed on lathe can processes multiple tooth base simultaneously, namely multiple tooth base divides into groups between two, and two tooth bases are oppositely arranged then are set on back shaft, carry out clamping by single grip unit to two opposed tooth bases to process, specific as follows, make it to be fixed two tooth bases by rotating wheel flange, until two tooth bases with the center of bellmouth for symmetric points, fasteningly be symmetricly set on back shaft, and the local of regulating block is outstanding is placed between two tooth bases, and the tooth base that the external screw thread district on back shaft can allow size to be more or less the same synchronously carries out rolling cut, namely rotate wheel flange outside within the scope of threaded area and all can realize fixing the tooth base of different size, and then carry out the fastening installation of tooth base of next group, after last wheel flange is fixing, start hobboing cutter, by to the rolling cut operation of tooth base to complete the production and processing of gear hobbing, namely the utility model synchronously accurately can be processed the tooth base of different model, while improving working (machining) efficiency, also increase the scope of application of device, in use procedure, due to many factors, two the tooth bases be oppositely arranged there will be certain circular runout and cause its fixed position to offset, namely need to finely tune tooth base, be connected with the end of motion bar by cylinder or the output of hydraulic cylinder, motion bar is driven near the direction of link, now, the circular arc bottom surface of regulating block coordinates with the arc top surface of projection, make it both and relative movement occurs, and then realize the lifting of regulating block between two tooth bases, when the arc top contact of the arc top, bottom of regulating block and projection, the rising displacement of regulating block reaches maximum, namely regulating block utilizes the end contact of male cone (strobilus masculinus) and tooth base on its two side and produces opposing compression, fastening dynamics between two tooth bases is increased again, and then reduce the movement deviation of tooth base, reach the object improving gear hobbing process precision,
After manufacturing procedure terminates, outside driving arrangement is again utilized to be moved along the direction away from link by motion bar, the cambered surface of bottom in projection of regulating block is slided along the direction at the bottom of its arc top to arc, namely regulating block starts to decline, and the spacing between two finished product gear hobbings increases gradually, correspondingly, the fastening dynamics between two finished product gear hobbings reduces gradually, manually can dismantle the gear hobbing of finished product fast, substantially increase the working (machining) efficiency of gear hobbing.
Also comprise jacking bar, described jacking bar is slidably arranged in back shaft, and when finely tuning tooth base, the position of jacking bar is configured to, and the direction that the end promotion motion bar of jacking bar moves along its orientation of its axis link is moved.When finely tuning tooth base, outside driving arrangement is directly by power administration activities bar, particularly in the moment that driving arrangement starts, motion bar is made to have larger initial momentum, the instantaneous translational speed of motion bar is too fast, the eustasy frequency regulated is increased, the fine setting of tooth base targetedly cannot be realized, the utility model arranges jacking bar in back shaft, and end part interval one end distance of the end of jacking bar distance motion bar, when external drive device start, after driving jacking bar to travel a segment distance, the motion state of jacking bar tends towards stability, namely jacking bar is with at the uniform velocity state and motion bar ends contact, and driven to appropriate station, the lifting of regulating block is made to keep stable, and then more flexibly the fastening dynamics between two tooth bases is regulated, ensure the machining accuracy of tooth base.
The end of described motion bar is connected with spring, and the movable end of spring is connected with the top board sidewall be arranged on link.For avoiding the excessive movement of motion bar, link being fixed with top board, and being connected by spring between the end of motion bar with top board sidewall, making when finely tuning tooth base, motion bar has time enough and cushions, and then prevents the not in place or lifting of the lifting of regulating block excessively.
The width in described external screw thread district is identical with the thickness size of wheel flange.As preferably, the width in external screw thread district is set to identical with the thickness of wheel flange by the utility model, external screw thread district is taken on back shaft does not affect the fixing of tooth base, can ensure that the inwall of tooth base with screw thread, too much contact does not occur simultaneously, avoid tooth base inwall impaired.
The utility model compared with prior art, has following advantage and beneficial effect:
1, the utility model is by cylinder or the output of hydraulic cylinder is connected with the end of motion bar, motion bar is driven near the direction of link, now, the circular arc bottom surface of regulating block coordinates with the arc top surface of projection, make it both and relative movement occurs, and then realize the lifting of regulating block between two tooth bases, when the arc top contact of the arc top, bottom of regulating block and projection, the rising displacement of regulating block reaches maximum, namely regulating block utilizes the end contact of male cone (strobilus masculinus) and tooth base on its two side and produces opposing compression, fastening dynamics between two tooth bases is increased again, and then reduce the movement deviation of tooth base, reach the object improving gear hobbing process precision,
2, the utility model arranges jacking bar in back shaft, and end part interval one end distance of the end of jacking bar distance motion bar, when external drive device start, after driving jacking bar to travel a segment distance, the motion state of jacking bar tends towards stability, and namely jacking bar is with at the uniform velocity state and motion bar ends contact, and driven to appropriate station, make the lifting of regulating block keep stable, and then more flexibly the fastening dynamics between two tooth bases is regulated, ensure the machining accuracy of tooth base;
3, the utility model is the excessive movement avoiding motion bar, link is fixed with top board, and be connected by spring between the end of motion bar with top board sidewall, make when finely tuning tooth base, motion bar has time enough and cushions, and then prevents the not in place or lifting of the lifting of regulating block excessively.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide the further understanding to the utility model embodiment, forms a application's part, does not form the restriction to the utility model embodiment.In the accompanying drawings:
Fig. 1 is the utility model structural representation.
Mark and corresponding parts title in accompanying drawing: 1, jacking bar, 2, back shaft, 3, wheel flange, 4, tooth base, 5, regulating block, 6, projection, 7, bellmouth, 8, rectangular channel, 9, motion bar, 10, spring, 11, top board, 12, link, 13, external screw thread district.
Detailed description of the invention
Clearly understand for making the purpose of this utility model, technical scheme and advantage, below in conjunction with embodiment and accompanying drawing, the utility model is described in further detail, exemplary embodiment of the present utility model and explanation thereof are only for explaining the utility model, and conduct is not to restriction of the present utility model.
Embodiment 1
As shown in Figure 1, the present embodiment comprises link 12 and is fixed on the back shaft 2 of the hollow on link 12, multiple grip unit is arranged at intervals with at described back shaft 2, described grip unit comprises wheel flange 3, two regulating blocks 5 and two are opened in the bellmouth 7 of back shaft about 2 both sides, back shaft 2 outer wall is provided with multiple external screw thread district 13, described wheel flange 3 and external screw thread district threaded engagement, slide in described back shaft 2 and be provided with motion bar 9, described motion bar about 9 both sides all have rectangular channel 8, the bottom of rectangular channel 8 is fixed with the projection 6 that cross section is arc, described bellmouth 7 just to projection 6 arc top and aperture radially successively decrease along back shaft 2, regulating block 5 is slidably arranged in bellmouth 7 and its two side and matches with bellmouth 7 inwall, the cross section of regulating block 5 bottom is circular arc.
When this uses novel use, link 12 is fixed on lathe can processes multiple tooth base 4 simultaneously, namely multiple tooth base 4 divides into groups between two, and two tooth bases 4 are oppositely arranged then are set on back shaft 2, carry out clamping by single grip unit to two opposed tooth bases 4 to process, specific as follows, make it to be fixed two tooth bases 4 by rotating wheel flange 3, until two tooth bases 4 with the center of bellmouth 7 for symmetric points, fasteningly be symmetricly set on back shaft 2, and the local of regulating block 5 is outstanding is placed between two tooth bases 4, and the tooth base 4 that the external screw thread district 13 on back shaft 2 can allow size to be more or less the same synchronously carries out rolling cut, namely rotate wheel flange 3 outside in the scope of threaded area 13 and all can realize fixing the tooth base 4 of different size, and then carry out the fastening installation of tooth base 4 of next group, after last wheel flange 3 is fixing, start hobboing cutter, by to the rolling cut operation of tooth base 4 to complete the production and processing of gear hobbing, namely the utility model synchronously accurately can be processed the tooth base 4 of different model, while improving working (machining) efficiency, also increase the scope of application of device, in use procedure, due to many factors, two the tooth bases 4 be oppositely arranged there will be certain circular runout and cause its fixed position to offset, namely need to finely tune tooth base 4, be connected with the end of motion bar 9 by cylinder or the output of hydraulic cylinder, motion bar 9 is driven near the direction of link 12, now, the circular arc bottom surface of regulating block 5 coordinates with the arc top surface of projection 6, make it both and relative movement occurs, and then realize the lifting of regulating block 5 between two tooth bases 4, when the arc top contact of the arc top, bottom of regulating block 5 and projection 6, the rising displacement of regulating block 5 reaches maximum, namely regulating block 5 utilizes the end contact of male cone (strobilus masculinus) and tooth base 4 on its two side and produces opposing compression, fastening dynamics between two tooth bases 4 is increased again, and then reduce the movement deviation of tooth base 4, reach the object improving gear hobbing process precision, after manufacturing procedure terminates, outside driving arrangement is again utilized to be moved along the direction away from link 12 by motion bar 9, the cambered surface of bottom in projection 6 of regulating block 5 is slided along the direction at the bottom of its arc top to arc, namely regulating block 5 starts to decline, and the spacing between two finished product gear hobbings increases gradually, correspondingly, the fastening dynamics between two finished product gear hobbings reduces gradually, manually can dismantle the gear hobbing of finished product fast, substantially increase the working (machining) efficiency of gear hobbing.
Also comprise jacking bar 1, described jacking bar 1 is slidably arranged in back shaft 2, and when finely tuning tooth base 4, the position of jacking bar 1 is configured to, and the direction that the end promotion motion bar 9 of jacking bar 1 moves along its orientation of its axis link 12 is moved.When finely tuning tooth base 4, outside driving arrangement is directly by power administration activities bar 9, particularly in the moment that driving arrangement starts, motion bar 9 is made to have larger initial momentum, the instantaneous translational speed of motion bar 9 is too fast, the eustasy frequency regulated is increased, the fine setting of tooth base 4 targetedly cannot be realized, the utility model arranges jacking bar 1 in back shaft 2, and end part interval one end distance of the end of jacking bar 1 distance motion bar 9, when external drive device start, after driving jacking bar 1 to travel a segment distance, the motion state of jacking bar 1 tends towards stability, namely jacking bar 1 is with at the uniform velocity state and motion bar 9 ends contact, and driven to appropriate station, the lifting of regulating block 5 is made to keep stable, and then more flexibly the fastening dynamics between two tooth bases 4 is regulated, ensure the machining accuracy of tooth base 4.
For avoiding the excessive movement of motion bar 9, link 12 is fixed with top board 11, and be connected by spring 10 between the end of motion bar 9 with top board 11 sidewall, make when finely tuning tooth base 4, motion bar 9 has time enough and cushions, and then prevents the not in place or lifting of the lifting of regulating block 5 excessively.
As preferably, the utility model selects torsionspring 10, multidirectional slowing down can be carried out to motion bar 9 transmission, if motion bar 9 is when mobile during discontinuity equalization, common spring 10 there will be stress raisers in use, namely the part concentrated at spring 10 stress is easy to reach metal fatigue, and then cause impaired reimbursement, greatly reduce its service life, and the torsionspring 10 selected can regulate its stress in deformation process, ensure the overall uniform force of spring 10, and then extend its service life.
Above content is the further description done the utility model in conjunction with concrete preferred embodiment, can not assert that detailed description of the invention of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing from other embodiments drawn under the technical solution of the utility model, all should be included in protection domain of the present utility model.
Claims (4)
1. a gear hobbing fastening clamp device, comprise link (12) and be fixed on the back shaft (2) of the hollow on link (12), multiple grip unit is arranged at intervals with at described back shaft (2), it is characterized in that: described grip unit comprises wheel flange (3), two regulating blocks (5) and two are opened in the bellmouth (7) of back shaft (2) both sides up and down, back shaft (2) outer wall is provided with multiple external screw thread district (13), described wheel flange (3) and external screw thread district (13) threaded engagement, slide in described back shaft (2) and be provided with motion bar (9), described motion bar (9) all has rectangular channel (8) in both sides up and down, the bottom of rectangular channel (8) is fixed with the projection (6) that cross section is arc, described bellmouth (7) just to projection (6) arc top and aperture radially successively decrease along back shaft (2), regulating block (5) is slidably arranged in bellmouth (7) and its two side and matches with bellmouth (7) inwall, the cross section of regulating block (5) bottom is circular arc.
2. a kind of gear hobbing fastening clamp device according to claim 1, it is characterized in that: also comprise jacking bar (1), described jacking bar (1) is slidably arranged in back shaft (2), when finely tuning tooth base (4), the position of jacking bar (1) is configured to, and end promotion motion bar (9) of jacking bar (1) is mobile moves along the direction of its orientation of its axis link (12).
3. according to a kind of gear hobbing fastening clamp device in claim 1 ~ 2 described in any one, it is characterized in that: the end of described motion bar (9) is connected with spring (10), the movable end of spring (10) is connected with top board (11) sidewall be arranged on link (12).
4. a kind of gear hobbing fastening clamp device according to claim 3, is characterized in that: the width of described external screw thread district (13) is identical with the thickness size of wheel flange (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553328.6U CN204975569U (en) | 2015-07-28 | 2015-07-28 | Gear hobbing fastening clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520553328.6U CN204975569U (en) | 2015-07-28 | 2015-07-28 | Gear hobbing fastening clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204975569U true CN204975569U (en) | 2016-01-20 |
Family
ID=55109988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520553328.6U Expired - Fee Related CN204975569U (en) | 2015-07-28 | 2015-07-28 | Gear hobbing fastening clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204975569U (en) |
-
2015
- 2015-07-28 CN CN201520553328.6U patent/CN204975569U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160120 Termination date: 20160728 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |