CN201752798U - Driving spiral bevel gear clamping tooling - Google Patents
Driving spiral bevel gear clamping tooling Download PDFInfo
- Publication number
- CN201752798U CN201752798U CN2010202781440U CN201020278144U CN201752798U CN 201752798 U CN201752798 U CN 201752798U CN 2010202781440 U CN2010202781440 U CN 2010202781440U CN 201020278144 U CN201020278144 U CN 201020278144U CN 201752798 U CN201752798 U CN 201752798U
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- China
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- conical surface
- bevel gear
- spiral bevel
- collet
- spring chuck
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Abstract
The utility model relates to a driving spiral bevel gear clamping tooling, which comprises a tooling body, a pull sleeve, a spring chuck and a front cover. The pull sleeve is sleeved in the tooling body, the spring chuck is sleeved in the pull sleeve, the spring chuck is provided with a first conical surface clamping part which is close to the top end of the spring chuck and a second conical surface clamping part which is close to the tail end of the spring chuck, the inclination angle of the first conical surface clamping part is smaller than that of the second conical surface clamping part, the front cover is used for positioning workpieces and arranged at the top end of the spring chuck. The spring chuck of the driving spiral bevel gear clamping tooling in the embodiment of the utility model comprises two conical surface clamping parts, and can respectively clamp the front portions and the rear portions of the workpieces under the combined action of the pull sleeve and the spring chuck. Simultaneously, because the pull sleeve and the spring chuck match with each other through conical surfaces, the spring chuck applies gradient action force to the workpieces under the action force of the pull sleeve, the radial jump error of the workpieces can be reduced, and the clamping precision and accuracy are increased, thereby increasing the quality of workpiece products.
Description
Technical field
The utility model relates to mechanic's installing and takes into account manufacturing technology field, particularly a kind of active spiral bevel gear clamping tooling.
Background technology
In the prior art, the run-out error that the flank of tooth was installed the diameter of axle to gear during initiatively spiral bevel gear was processed is mainly determined by the size of machine tool error, cutter error, tool locating error.Single awl clamping tooling is adopted in the processing of the present domestic active spiral bevel gear flank of tooth.Both front end is by the locating hole location than the big 0.010-0.015mm of the diameter of axle, and the rear end is clamped by the collet location with 1: 4 male cone (strobilus masculinus), as shown in Figure 1, is active spiral bevel gear list awl clamping tooling in the prior art.The shortcoming that above-mentioned processing method exists is: 1) because gear diameter of axle work in-process exists mismachining tolerance and measure error, increased the tool locating precision to the radially influence of runout error; 2) front end locating hole fixed size is constant, when causing the gear location diameter of axle near maximum limit of size, inconvenience is installed, and during near the minimum limit of size, influences precision.
The utility model content
The utility model is intended to solve at least one of technical problem that exists in the prior art.For this reason, a purpose of the present utility model is to propose a kind ofly have that workpiece is easy for installation, positioning accuracy is high, the active spiral bevel gear clamping tooling that product quality is high.
Active spiral bevel gear clamping tooling according to the utility model embodiment comprises: the frock body; Be socketed in that described frock is intrinsic helps pull a cart; Be socketed in the collet in described the helping pull a cart, described collet has first conical surface clamping section and second conical surface clamping section that is positioned near its tail end that is positioned near described collet top, and the inclination angle of described first conical surface clamping section is less than the inclination angle of described second conical surface clamping section; And being used for protecgulum that workpiece is positioned, described protecgulum is positioned at described collet top.
The active spiral bevel gear clamping tooling of the utility model embodiment comprises two conical surface clamping parts, help pull a cart and the acting in conjunction of collet under, can the front and rear of workpiece be clamped respectively.Owing to help pull a cart and collet employing cone match, under the active force of helping pull a cart, collet is implemented the active force of gradual change to workpiece simultaneously, so, can reduce the run-out error of workpiece, improve the precision and the accuracy of clamping, thereby improve the quality of workpiece product.
In addition, the active spiral bevel gear clamping tooling according to the utility model the foregoing description can also have following additional technical characterictic:
Described helping pull a cart cooperates with second conical surface clamping section of passing through of described collet.The conical surface of described second conical surface clamping section is cooperation in 1: 2.Described collet cooperates with described frock body by first conical surface clamping section.The conical surface of described first conical surface clamping section is cooperation in 1: 4.
In axial direction there is first gap between described collet and the described protecgulum.The existence in first gap in unclamping the process of workpiece, can be played the effect of stop to collet.Described help pull a cart and described collet between in axial direction have second gap.Described help pull a cart and described frock body between in axial direction have third space.Described second gap and the first gap sum be greater than described third space, can guarantee to contact the back with body and still leave the gap in collet helping pull a cart, and continues collet to be damaged by pressure when mobile under the oil cylinder effect thereby prevent to help pull a cart.
Described protecgulum end face and described frock body rear end offer the gas hole that runs through.Give and carry compressed air in the machine tool chief axis hole, can check initiatively whether spiral bevel gear axial location end face contacts well with frock axial location end face.
Active spiral bevel gear clamping tooling according to the utility model embodiment has one of following advantage at least, can reduce the run-out error of workpiece, improves the precision and the accuracy of clamping, thereby improves the quality of workpiece product.
Additional aspect of the present utility model and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present utility model.
Description of drawings
Above-mentioned and/or additional aspect of the present utility model and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, wherein:
Fig. 1 is that initiatively the spiral bevel gear list is bored the clamping tooling schematic diagram;
Fig. 2 is an active spiral bevel gear clamping tooling schematic diagram of implementing side according to the utility model; And
Fig. 3 is the collet cross-sectional schematic according to the active spiral bevel gear clamping tooling of the utility model embodiment.
The specific embodiment
Describe embodiment of the present utility model below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the utility model, and can not be interpreted as restriction of the present utility model.
In description of the present utility model, term " vertically ", " laterally ", " on ", close the orientation of indications such as D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " or position is based on orientation shown in the drawings or position relation, it only is the utility model rather than require the utility model therefore can not be interpreted as for convenience of description with specific orientation structure and operation to restriction of the present utility model.
With reference to Fig. 2 and Fig. 3, the active spiral bevel gear clamping tooling of the utility model embodiment comprises: frock body 2; Be socketed in and help pull a cart 1 in the frock body 2; Be socketed in the 1 interior collet 4 of helping pull a cart, collet 4 has first conical surface clamping section (not shown) and second conical surface clamping section (not shown) that is positioned near its tail end that is positioned near the collet top, and the inclination angle of first conical surface clamping section is less than the inclination angle of second conical surface clamping section; Be used for protecgulum 3 that workpiece is positioned, protecgulum 3 is positioned at collet 4 tops.
Help pull a cart and 1 cooperate with second conical surface clamping section of passing through of collet 4.The conical surface of second conical surface clamping section is cooperation in 1: 2.Collet 4 cooperates with frock body 2 by first conical surface clamping section.The conical surface of first conical surface clamping section is cooperation in 1: 4.
The active spiral bevel gear clamping tooling of the utility model embodiment comprises two conical surface clamping parts, help pull a cart 1 and the acting in conjunction of collet 4 under, can the front and rear of workpiece be clamped respectively.Simultaneously since help pull a cart 1 and collet 4 adopt cone match, under 1 the active force of helping pull a cart, 4 pairs of workpiece of collet are implemented the active force of gradual change, so, can reduce the run-out error of workpiece, improve the precision and the accuracy of clamping, thereby improve the quality of workpiece product.
When workpiece is carried out clamping, at first initiatively spiral bevel gear is put into frock, the spiral bevel gear end face contacts with protecgulum 3 end faces, the machine tool hydraulic oil cylinder is by helping pull a cart 1 with collet 4 past post-tensionings, because collet 4 front ends are 1: 4 male cone (strobilus masculinus)s, the rear end is 1: 2 male cone (strobilus masculinus), helping pull a cart 1 when driving toward post-tensioning, collet 4 rear end deflections are greater than front end, make collet 4 rear ends elder generation holding workpiece, and initiatively spiral bevel gear is subjected to pulling force backward, because this moment, the rear end chucking power was little, collet 4 continues to move backward, and under the effect of 1: 4 male cone (strobilus masculinus) of front end, the collet front end clamps, collet 4 is not moving backward, help pull a cart and 1 continue to pull back, 1: 2 male cone (strobilus masculinus) in rear end produces clamping action, and this moment, collet 4 rear ends clamped.When unclamping workpiece, the machine tool hydraulic oil cylinder promotes to help pull a cart and 1 moves forward, because collet 4 rear ends are held workpiece tightly, help pull a cart this moment and 1 can not throw off with 1: 2 conical surface in collet 4 rear ends, make collet 4 and help pull a cart 1, initiatively spiral bevel gear moves forward together, 1: 4 conical surface of collet 4 front ends and 2 of bodies get loose, collet 4 and help pull a cart 1, spiral bevel gear continues to move forward, after has eliminated in the 3mm gap between collet 4 front end faces and the protecgulum 3, collet 4 contacts with protecgulum 3 and stops to move forward, 1 continue to move forward and help pull a cart, make 1: 2 conical surface in collet 4 rear ends and helping pull a cart 1 get loose, get loose fully between spiral bevel gear and frock, 1 under the oil cylinder effect, continue collet 4 to be damaged by pressure when mobile forward for preventing to help pull a cart, 1 become 1.5mm with help pull a cart this moment with the gap design of 4 of collets, helping pull a cart 1 becomes 0.5mm (3.5-3=0.5) with the gap design of 2 of bodies, and making helps pull a cart 1 contacts afterwards with body 2 and 4 of collets still leave 1mm (1.5-0.5=1) gap.
Because the elastic deformation characteristic of collet 4 allows collet 4 clamping locating holes than the big 0.04-0.06mm of active spiral bevel gear location diameter of axle maximum limit of size, has made things convenient for the initiatively installation of spiral bevel gear; When clamping work pieces, eliminated simultaneously the gap of 2 of that the spiral bevel gear location diameter of axle initiatively causes because of the dimensioned scope and bodies.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " illustrative examples ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present utility model or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described embodiment of the present utility model, those having ordinary skill in the art will appreciate that: can carry out multiple variation, modification, replacement and modification to these embodiment under the situation that does not break away from principle of the present utility model and aim, scope of the present utility model is limited by claim and equivalent thereof.
Claims (10)
1. an active spiral bevel gear clamping tooling is characterized in that, comprising:
The frock body;
Be socketed in that described frock is intrinsic helps pull a cart;
Be socketed in the collet in described the helping pull a cart, described collet has first conical surface clamping section and second conical surface clamping section that is positioned near its tail end that is positioned near described collet top, and the inclination angle of described first conical surface clamping section is less than the inclination angle of described second conical surface clamping section; And
Be used for protecgulum that workpiece is positioned, described protecgulum is positioned at described collet top.
2. active spiral bevel gear clamping tooling according to claim 1 is characterized in that, described helping pull a cart cooperates with second conical surface clamping section of passing through of described collet.
3. active spiral bevel gear clamping tooling according to claim 2 is characterized in that, the conical surface of described second conical surface clamping section is cooperation in 1: 2.
4. active spiral bevel gear clamping tooling according to claim 1 and 2 is characterized in that, described collet cooperates with described frock body by first conical surface clamping section.
5. active spiral bevel gear clamping tooling according to claim 4 is characterized in that, the conical surface of described first conical surface clamping section is cooperation in 1: 4.
6. active spiral bevel gear clamping tooling according to claim 1 is characterized in that, in axial direction has first gap between described collet and the described protecgulum.
7. active spiral bevel gear clamping tooling according to claim 1 is characterized in that, described help pull a cart and described collet between in axial direction have second gap.
8. active spiral bevel gear clamping tooling according to claim 1 is characterized in that, described help pull a cart and described frock body between in axial direction have third space.
9. according to claim 7 or 8 described active spiral bevel gear clamping toolings, it is characterized in that described second gap and the first gap sum are greater than described third space.
10. according to claim 1,2,3,6,7,8 any described active spiral bevel gear clamping toolings, it is characterized in that described protecgulum end face and described frock body rear end offer the gas hole that runs through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202781440U CN201752798U (en) | 2010-07-29 | 2010-07-29 | Driving spiral bevel gear clamping tooling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202781440U CN201752798U (en) | 2010-07-29 | 2010-07-29 | Driving spiral bevel gear clamping tooling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201752798U true CN201752798U (en) | 2011-03-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202781440U Expired - Fee Related CN201752798U (en) | 2010-07-29 | 2010-07-29 | Driving spiral bevel gear clamping tooling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201752798U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980486A (en) * | 2012-12-11 | 2013-03-20 | 成都发动机（集团）有限公司 | Meshing clearance measuring device for bevel gear pair of central transmission casing of plane under loading |
-
2010
- 2010-07-29 CN CN2010202781440U patent/CN201752798U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102980486A (en) * | 2012-12-11 | 2013-03-20 | 成都发动机（集团）有限公司 | Meshing clearance measuring device for bevel gear pair of central transmission casing of plane under loading |
| CN102980486B (en) * | 2012-12-11 | 2015-03-25 | 成都发动机（集团）有限公司 | Meshing clearance measuring device for bevel gear pair of central transmission casing of plane under loading |
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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: 20110302 Termination date: 20140729 |
|
| EXPY | Termination of patent right or utility model |