CN213350871U - Workpiece clamping device - Google Patents
Workpiece clamping device Download PDFInfo
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- CN213350871U CN213350871U CN202022053452.XU CN202022053452U CN213350871U CN 213350871 U CN213350871 U CN 213350871U CN 202022053452 U CN202022053452 U CN 202022053452U CN 213350871 U CN213350871 U CN 213350871U
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- clamping
- clamping jaw
- workpiece
- seat
- supporting
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- 239000000956 alloy Substances 0.000 claims abstract description 23
- 229910045601 alloy Inorganic materials 0.000 claims abstract description 23
- 238000003754 machining Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 206010066054 Dysmorphism Diseases 0.000 abstract description 3
- 230000008859 change Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000003801 milling Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model discloses a work piece clamping device, including three-jaw chuck main part, the upper end of three-jaw chuck main part is provided with clamping jaw main part, one side of clamping jaw main part is provided with No. two clamping jaw main parts, one side of No. two clamping jaw main parts is provided with No. three clamping jaw main parts, the inside of a clamping jaw main part is provided with the connection dabber that floats, one side surface of No. two clamping jaw main parts is provided with the work piece grip block, the lower extreme surface of work piece grip block is provided with alloy piece locking bolt piece, one side of alloy piece locking bolt piece is provided with the work piece support column. A work piece clamping device, possess simple structure, the cost of manufacture is low, the steady quality, machining efficiency is high, and safety and stability is high, and the remodelling is efficient, need not to change the chuck main part, application scope is wide, is applicable to non-disc dysmorphism structure lathe work scheme, brings better use prospect.
Description
Technical Field
The utility model relates to a work piece centre gripping field, in particular to work piece clamping device.
Background
At present, the machining industry mostly adopts turning processing for processing disc iron castings, the cost of boring and milling processing is greatly reduced in the same proportion, the hidden danger problem of deformation after processing exists for special-shaped structures and thin walls, such as the fluctuation of parallelism and roundness of workpieces is large, the problem of tool vibration exists, the quality is unstable, most of the machining industries adopt hydraulic three-jaw and four-jaw clamping and turning processing schemes, the three-jaw or four-jaw chuck is frequently replaced for small batches of various products, the difficulty is increased for model replacement, the model replacement time is greatly prolonged, and waste is generated, the utility model designs a three-jaw conformal design scheme aiming at special-shaped structures or square structures, the three-jaw chuck sharing is realized, the chuck does not need to be replaced, the quality is stable, the manufacturing cost is low, the model replacement time can be greatly reduced, the floating clamping jaw device for improving the product quality stability is wide in application range and convenient in adjustment, the manufacturing cost is low, and the device has an advantage particularly for machining a non-disc special-shaped structural part needing turning, so that the work piece clamping device is provided.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a workpiece clamping device, possess simple structure, the cost of manufacture is low, the stable quality, machining efficiency is high, and the safety and stability is high, and the remodelling is efficient, need not to change the chuck main part, and application scope is wide, is applicable to non-disc dysmorphism structure lathe work scheme, and the problem in the background art can effectively be solved to the advantage such as.
(II) technical scheme
In order to achieve the above purpose, the utility model adopts the following technical scheme: a workpiece clamping device comprises a three-jaw chuck main body, wherein a first clamping jaw main seat is arranged at the upper end of the three-jaw chuck main body, a second clamping jaw main seat is arranged on one side of the first clamping jaw main seat, a third clamping jaw main seat is arranged on one side of the second clamping jaw main seat, a floating connecting mandrel is arranged inside the first clamping jaw main seat, a workpiece clamping block is arranged on the outer surface of one side of the second clamping jaw main seat, an alloy block locking bolt block is arranged on the outer surface of the lower end of the workpiece clamping block, a workpiece supporting column is arranged on one side of the alloy block locking bolt block, the lower end of the second clamping jaw main seat is provided with a floating special-shaped clamping jaw, the lower end of the alloy block locking bolt block is provided with a supporting connecting seat, the inner wall of the supporting and connecting seat is provided with a locking bolt, the lower end of the supporting and connecting seat is provided with a workpiece supporting bolt, and the lower end of the workpiece supporting bolt is provided with a locking screw.
Preferably, be provided with the spread groove between three-jaw chuck main part and the clamping jaw main part seat, the lower extreme surface of a clamping jaw main part seat can be dismantled with the upper end surface of three-jaw chuck main part through the spread groove and be connected.
Preferably, a clamping groove is formed between the second clamping jaw main seat and the workpiece clamping block, and the outer surface of one side of the workpiece clamping block is detachably connected with the outer surface of one side of the second clamping jaw main seat through the clamping groove.
Preferably, a clamping plate is arranged between the workpiece supporting column and the alloy block locking bolt block, and the outer surface of one side of the alloy block locking bolt block is detachably connected with the outer surface of one side of the workpiece supporting column through the clamping plate.
Preferably, a clamping hole is formed between the locking bolt and the supporting and connecting seat, and the outer surface of one side of the supporting and connecting seat is detachably connected with the outer surface of one side of the locking bolt through the clamping hole.
Preferably, a connecting hole is formed between the support connecting seat and the workpiece supporting bolt, and the outer surface of the lower end of the workpiece supporting bolt is detachably connected with the outer surface of the upper end of the support connecting seat through the connecting hole.
(III) advantageous effects
Compared with the prior art, the utility model provides a work piece clamping device possesses following beneficial effect: this work piece clamping device, connect the dabber through the unsteady of design, the device can do the rotation a little when the function, make two centre gripping points on every jack catch all with the work piece contact, and the atress is even, the local atress of work piece is too big oval and the deformation problem that causes has been improved, the work piece centre gripping point is the alloy fixture block, for sharp tooth type, the clamping workpiece increases frictional force and the risk that the work piece produced the motion, the work piece centre gripping, can stably process, it is simple to possess simple structure, the cost of manufacture is low, stable in quality, machining efficiency is high, safety and stability is high, it is efficient to remodel, need not to change the chuck main part, wide application scope, be applicable to non-disc dysmorphism structure turning scheme, whole work piece clamping device simple structure, and convenient operation, the effect of.
Drawings
Fig. 1 is a schematic view of the overall structure of a workpiece clamping device according to the present invention.
Fig. 2 is a schematic structural view of a main base of a clamping jaw in a workpiece clamping device according to the present invention.
Fig. 3 is an application diagram of the workpiece clamping device of the present invention.
In the figure: 1. a three-jaw chuck body; 2. a first clamping jaw main seat; 3. a floating connection mandrel; 4. a second clamping jaw main seat; 5. a third clamping jaw main seat; 6. floating the special-shaped clamping jaw; 7. a workpiece clamping block; 8. a workpiece support post; 9. the alloy block locks the bolt block; 10. locking the bolt; 11. supporting the connecting seat; 12. a workpiece support bolt; 13. and locking the screw.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-3, a workpiece clamping device comprises a three-jaw chuck body 1, wherein the upper end of the three-jaw chuck body 1 is provided with a first jaw main seat 2, one side of the first jaw main seat 2 is provided with a second jaw main seat 4, one side of the second jaw main seat 4 is provided with a third jaw main seat 5, the first jaw main seat 2 is internally provided with a floating connecting mandrel 3, the outer surface of one side of the second jaw main seat 4 is provided with a workpiece clamping block 7, the outer surface of the lower end of the workpiece clamping block 7 is provided with an alloy block locking bolt block 9, one side of the alloy block locking bolt block 9 is provided with a workpiece supporting column 8, the lower end of the second jaw main seat 4 is provided with a floating special-shaped clamping jaw 6, the lower end of the alloy block locking bolt block 9 is provided with a supporting connecting seat 11, the inner wall of the supporting connecting seat 11 is provided with a locking bolt 10, the lower end of, the lower end of the workpiece support bolt 12 is provided with a locking screw 13.
Further, a connecting groove is formed between the three-jaw chuck body 1 and the first clamping jaw main seat 2, the outer surface of the lower end of the first clamping jaw main seat 2 is detachably connected with the outer surface of the upper end of the three-jaw chuck body 1 through the connecting groove, and the three-jaw chuck is convenient to use.
Furthermore, a clamping groove is formed between the second clamping jaw main seat 4 and the workpiece clamping block 7, and the outer surface of one side of the workpiece clamping block 7 is detachably connected with the outer surface of one side of the second clamping jaw main seat 4 through the clamping groove, so that the stability of the device is stronger.
Furthermore, a clamping plate is arranged between the workpiece supporting column 8 and the alloy block locking bolt block 9, the outer surface of one side of the alloy block locking bolt block 9 is detachably connected with the outer surface of one side of the workpiece supporting column 8 through the clamping plate, and the convenience of the device is improved.
Furthermore, a clamping hole is formed between the locking bolt 10 and the supporting and connecting seat 11, and the outer surface of one side of the supporting and connecting seat 11 is detachably connected with the outer surface of one side of the locking bolt 10 through the clamping hole, so that the device is more convenient to use.
Furthermore, a connecting hole is formed between the support connecting seat 11 and the workpiece supporting bolt 12, and the outer surface of the lower end of the workpiece supporting bolt 12 is detachably connected with the outer surface of the upper end of the support connecting seat 11 through the connecting hole, so that the workpiece supporting bolt is convenient to disassemble and assemble.
The working principle is as follows: the utility model comprises a three-jaw chuck main body 1, a first clamping jaw main seat 2, a floating connecting mandrel 3, a second clamping jaw main seat 4, a third clamping jaw main seat 5, a floating special-shaped clamping jaw 6, a workpiece clamping block 7, a workpiece supporting column 8, an alloy block locking bolt block 9, a locking bolt 10, a supporting connecting seat 11, a workpiece supporting bolt 12 and a locking screw 13, when the device is used, the three-jaw chuck main body 1 is a market universal component, the clamping jaw main seat is arranged on the chuck, the floating special-shaped clamping jaw 6 is connected on the clamping jaw main seat in a sliding fit way through the floating connecting mandrel 3, the clamping jaw main seat connecting clamping jaw is designed into a groove shape, the tolerance between the width and the width of the floating special-shaped clamping jaw 6 is less than 0.05MM so as to increase the rigidity of the special-shaped clamping jaw and reduce the hidden trouble of the clamping jaw tilting of the clamping jaw in the axial direction, the alloy workpiece clamping block, the workpiece clamping block 7 is connected to a supporting connection seat 11 through an alloy block locking bolt block 9, the supporting connection seat 11 is fixed on a clamping jaw main seat through a locking bolt 10, the floating special-shaped clamping jaw 6 realizes turning clamping by designing a clamping shape according to the shape of a workpiece, the workpiece is loaded, a three-jaw chuck body 1 is loosened, the workpiece is placed on three supporting points along with the structure of the floating special-shaped clamping jaw 6, the three-jaw chuck body 1 is tightened, the floating special-shaped clamping jaw 6 is in contact with the workpiece, six clamping points are in micro rotation through a floating connection mandrel 3 under the pressure of the clamping jaw, two clamping points on each clamping jaw are all in contact with the workpiece, the stress is uniform, the problems of ellipse and deformation caused by overlarge local stress of the workpiece are solved, the workpiece clamping block 7 is an alloy clamping block and is of a sharp tooth shape, the workpiece is clamped, the friction force is increased, the risk of workpiece, can be stably processed.
It is noted that, herein, relational terms such as first and second (a, b, etc.) and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A workpiece holding device comprising a three-jaw chuck body (1), characterized in that: the upper end of the three-jaw chuck body (1) is provided with a first clamping jaw main seat (2), one side of the first clamping jaw main seat (2) is provided with a second clamping jaw main seat (4), one side of the second clamping jaw main seat (4) is provided with a third clamping jaw main seat (5), the inside of the first clamping jaw main seat (2) is provided with a floating connecting mandrel (3), the outer surface of one side of the second clamping jaw main seat (4) is provided with a workpiece clamping block (7), the outer surface of the lower end of the workpiece clamping block (7) is provided with an alloy block locking bolt block (9), one side of the alloy block locking bolt block (9) is provided with a workpiece supporting column (8), the lower end of the second clamping jaw main seat (4) is provided with a special-shaped floating clamping jaw (6), the lower end of the alloy block locking bolt block (9) is provided with a supporting and connecting seat (11), and the inner wall of the supporting and connecting seat (11) is provided, the lower end of the supporting and connecting seat (11) is provided with a workpiece supporting bolt (12), and the lower end of the workpiece supporting bolt (12) is provided with a locking screw (13).
2. A workpiece holding apparatus as claimed in claim 1, characterised in that: be provided with the spread groove between three-jaw chuck main part (1) and a clamping jaw owner seat (2), the lower extreme surface of a clamping jaw owner seat (2) can be dismantled through the upper end surface of spread groove and three-jaw chuck main part (1) and be connected.
3. A workpiece holding apparatus as claimed in claim 1, characterised in that: a clamping groove is formed between the second clamping jaw main seat (4) and the workpiece clamping block (7), and the outer surface of one side of the workpiece clamping block (7) is detachably connected with the outer surface of one side of the second clamping jaw main seat (4) through the clamping groove.
4. A workpiece holding apparatus as claimed in claim 1, characterised in that: a clamping plate is arranged between the workpiece supporting column (8) and the alloy block locking bolt block (9), and the outer surface of one side of the alloy block locking bolt block (9) is detachably connected with the outer surface of one side of the workpiece supporting column (8) through the clamping plate.
5. A workpiece holding apparatus as claimed in claim 1, characterised in that: a clamping hole is formed between the locking bolt (10) and the supporting and connecting seat (11), and the outer surface of one side of the supporting and connecting seat (11) is detachably connected with the outer surface of one side of the locking bolt (10) through the clamping hole.
6. A workpiece holding apparatus as claimed in claim 1, characterised in that: a connecting hole is formed between the supporting and connecting seat (11) and the workpiece supporting bolt (12), and the outer surface of the lower end of the workpiece supporting bolt (12) is detachably connected with the outer surface of the upper end of the supporting and connecting seat (11) through the connecting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022053452.XU CN213350871U (en) | 2020-09-18 | 2020-09-18 | Workpiece clamping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022053452.XU CN213350871U (en) | 2020-09-18 | 2020-09-18 | Workpiece clamping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213350871U true CN213350871U (en) | 2021-06-04 |
Family
ID=76153673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022053452.XU Active CN213350871U (en) | 2020-09-18 | 2020-09-18 | Workpiece clamping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213350871U (en) |
-
2020
- 2020-09-18 CN CN202022053452.XU patent/CN213350871U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A workpiece clamping device Effective date of registration: 20231204 Granted publication date: 20210604 Pledgee: China Postal Savings Bank Co.,Ltd. Cangzhou Branch Pledgor: BOTOU YAQI CASTING Co.,Ltd. Registration number: Y2023980069331 |