CN210703784U - Pneumatic tool clamp - Google Patents
Pneumatic tool clamp Download PDFInfo
- Publication number
- CN210703784U CN210703784U CN201921828899.0U CN201921828899U CN210703784U CN 210703784 U CN210703784 U CN 210703784U CN 201921828899 U CN201921828899 U CN 201921828899U CN 210703784 U CN210703784 U CN 210703784U
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- Prior art keywords
- positioning
- pneumatic
- clamp
- workpiece
- positioning surface
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- 238000003825 pressing Methods 0.000 claims description 11
- 238000005452 bending Methods 0.000 claims description 3
- 238000012545 processing Methods 0.000 abstract description 10
- 238000003754 machining Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 2
- 238000003801 milling Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a pneumatic tool clamp, which comprises a tool table, a side positioning device and a top positioning device which are arranged in parallel along the extension direction of the tool table; the side positioning device comprises a plurality of pneumatic clamps arranged side by side, each pneumatic clamp comprises a group of opposite side positioning structures, and the side positioning structures in the same pneumatic clamp respectively clamp two opposite sides of a workpiece to be machined; the top surface positioning device comprises a plurality of fixing columns arranged side by side, each fixing column comprises a first positioning surface and a second positioning surface, and the first positioning surface and the second positioning surface are used for fixing the top surface of the workpiece to be machined. By using the pneumatic tool clamp, comprehensive front processing of the workpiece to be processed is realized, the processing efficiency is improved, the deformation is reduced, and the processing precision is ensured.
Description
Technical Field
The utility model relates to an anchor clamps equipment field especially relates to a pneumatic frock clamp.
Background
The clamp is a process device used for quickly fastening a workpiece during processing so as to keep a machine tool, a cutter and the workpiece at correct relative positions, and is also called as a clamp. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short.
When a workpiece is machined on a machine tool, the workpiece needs to be positioned and clamped firmly before machining in order to enable the surface of the workpiece to meet the technical requirements of the size, the geometric shape, the mutual position precision with other surfaces and the like specified in a drawing. The existing clamp structure is complex, the operation is complex, and due to the fact that the side face, the top face and other surfaces of a workpiece need to be machined, a side milling head and a pressure changing pressing plate need to be detached in normal machining of a gantry machining center, and the machining efficiency of the side milling head is not high.
Disclosure of Invention
The utility model aims at providing a pneumatic frock clamp through using this pneumatic frock clamp, realizes treating the comprehensive front processing of machined part, improves machining efficiency, reduces the deflection, guarantees the machining precision.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a pneumatic tool clamp comprises a tool table, a side surface positioning device and a top surface positioning device, wherein the side surface positioning device and the top surface positioning device are arranged in parallel along the extending direction of the tool table;
the side positioning device comprises a plurality of pneumatic clamps arranged side by side, each pneumatic clamp comprises a group of opposite side positioning structures, and the side positioning structures in the same pneumatic clamp respectively clamp two opposite sides of a workpiece to be machined;
the top surface positioning device comprises a plurality of fixing columns arranged side by side, each fixing column comprises a first positioning surface and a second positioning surface, and the first positioning surface and the second positioning surface are used for fixing the top surface of the workpiece to be machined.
In the technical scheme, the number of the pneumatic clamps is four, and the number of the fixing columns is four.
In the above technical scheme, the side positioning structure comprises a support frame and a pneumatic pressing plate matched with the support frame, and in the same pneumatic fixture, the pneumatic pressing plate is arranged on the inner side of the support frame.
In the technical scheme, the support frame comprises an outer positioning edge deviating from the pneumatic pressure plate and an inner positioning edge facing the pneumatic pressure plate, and a limit groove is formed between the outer positioning edge and the inner positioning edge.
In the above technical scheme, the fixing column is of an inverted T shape, and includes an upright column and a placement portion formed by bending the upright column to two sides, the first positioning surface and the second positioning surface are respectively disposed on two opposite sides of the upright column, and the first positioning surface and the second positioning surface are perpendicular to the placement portion.
In the above technical scheme, a plurality of positioning holes are arranged on the first positioning surface and the second positioning surface, and the first positioning surface and the second positioning surface fix the top surface of the workpiece to be machined through the matching of the positioning holes and the positioning pins.
In the above technical solution, the side positioning device further includes a plurality of side positioning columns, and the side positioning columns at least include two ends disposed in the arrangement direction of the pneumatic jigs.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
1. the pneumatic tool clamp comprises a side positioning device and a top positioning device, the side positioning device comprises a group of opposite side positioning structures, and the side positioning structures in the same pneumatic clamp respectively clamp two opposite sides of a workpiece to be machined, so that the workpiece to be machined is erected on the side positioning structures, the top surface of the workpiece to be machined is ensured to face upwards, and the front machining of the top surface of the workpiece to be machined is realized; the top surface positioning device comprises a plurality of fixing columns arranged side by side, a first positioning surface and a second positioning surface on each fixing column are arranged in a back-to-back mode, when the top surface of the workpiece to be processed is fixed on the first positioning surface of each fixing column, the side surface of one side of the workpiece faces upwards, the workpiece to be processed is turned over and fixed on the second positioning surface, the side surface of the other side of the workpiece faces upwards, therefore, the two side surfaces of the workpiece to be processed can face upwards, and front processing of the side surface of the. Realize whole front processing, need not to trade the pressure, improve machining efficiency.
2. The pneumatic clamp can adjust the clamping pressure, meet different requirements of rough and finish machining clamping force and achieve better machining precision.
3. Pneumatic fixture, fixed column are provided with a plurality ofly respectively, and pneumatic fixture, fixed column evenly distributed make the clamping power that treats that the machined part received even, and the deflection is little, improves product quality.
4. The pneumatic pressing plate is arranged on the inner side of the supporting frame, the workpiece to be machined is placed in the limiting groove, the side face of the workpiece to be machined is arranged close to the outer positioning edge, the workpiece to be machined is pressed tightly from the inner side of the workpiece to be machined through the pneumatic pressing plate, and the clamp is prevented from influencing the machining process.
Drawings
FIG. 1 is a schematic structural view of a middle pneumatic tool clamp of the present invention;
FIG. 2 is a schematic structural view of a pneumatic clamp of the present invention;
FIG. 3 is a schematic view of the fixing column of the present invention;
fig. 4 is a schematic view of the pneumatic tool clamp for fixing workpieces to be processed.
Wherein: 1. a tooling table; 2. a side positioning device; 21. a pneumatic clamp; 22. a side positioning structure; 23. a support frame; 24. a pneumatic platen; 25. an outer positioning edge; 26. an inner positioning edge; 27. a limiting groove; 28. a side positioning column; 3. a top surface positioning device; 31. fixing a column; 32. a first positioning surface; 33. a second positioning surface; 34. a column; 35. a placing part; 36. positioning holes; 4. a workpiece to be processed; 41. a top surface; 42. a side surface.
Detailed Description
The invention will be further described with reference to the following drawings and examples:
the first embodiment is as follows: referring to fig. 1 to 4, a pneumatic tool clamp comprises a tool table 1, and a side positioning device 2 and a top positioning device 3 which are arranged in parallel along the extending direction of the tool table 1;
the side positioning device 2 comprises a plurality of pneumatic clamps 21 arranged side by side, each pneumatic clamp 21 comprises a group of opposite side positioning structures 22, and the side positioning structures 22 in the same pneumatic clamp 21 respectively clamp two opposite side surfaces 42 of the workpiece 4 to be machined;
the top surface positioning device 3 includes a plurality of fixing columns 31 arranged side by side, each fixing column 31 includes a first positioning surface 32 and a second positioning surface 33, and the first positioning surface 32 and the second positioning surface 33 are used for fixing the top surface 41 of the to-be-processed member 4. Through this pneumatic frock clamp, realize whole front processing, need not to trade the pressure, improve machining efficiency. And the pneumatic clamp 21 is utilized to adjust the clamping pressure, so that different requirements of rough and finish machining clamping force are met, and better machining precision is achieved.
Referring to fig. 1, the number of the air jigs 21 is four, and the number of the fixing posts 31 is four.
Referring to fig. 2, in order to avoid the influence of the clamp on the machining process, the side positioning structure 22 includes a support frame 23 and a pneumatic pressing plate 24 matched with the support frame 23, and in the same pneumatic clamp 21, the pneumatic pressing plate 24 is disposed on the inner side of the support frame 23, as shown in fig. 1 to 2.
The supporting frame 23 comprises an outer positioning edge 25 facing away from the pneumatic pressure plate 24 and an inner positioning edge 26 facing towards the pneumatic pressure plate 24, and a limit groove 27 is formed between the outer positioning edge 25 and the inner positioning edge 26.
Referring to fig. 3, the fixing column 31 is of an inverted T shape, and includes an upright column 34 and a placing portion 35 formed by bending the upright column 34 to two sides, the first positioning surface 32 and the second positioning surface 33 are respectively disposed on two opposite sides of the upright column 34, and the first positioning surface 32 and the second positioning surface 33 are respectively perpendicular to the placing portion 35. The first positioning surface 32 and the second positioning surface 33 are provided with a plurality of positioning holes 36, and the first positioning surface 32 and the second positioning surface 33 fix the top surface 41 of the workpiece 4 through the cooperation of the positioning holes 36 and the positioning pins.
Referring to fig. 1, the side positioning device 2 further includes a plurality of side positioning pillars 28, and the side positioning pillars 28 at least include two ends disposed in the arrangement direction of the pneumatic jigs 21.
The conventional tool is used for machining the workpiece to be machined 4, efficiency, cost, precision and the like cannot be effectively guaranteed from the beginning of clamping to the end of machining, the efficiency is improved by nearly 60% compared with the efficiency of the conventional tool through accurate measurement and calculation, and the machining cost is saved by about 25%. This pneumatic frock clamp can reduce the deflection, guarantees the precision after the product processing, and the product can not reach the precision of requirement after traditional frock processing, still can not reach the requirement after often reprocessing.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. The utility model provides a pneumatic frock clamp which characterized in that: the device comprises a tool table, a side positioning device and a top positioning device which are arranged in parallel along the extension direction of the tool table;
the side positioning device comprises a plurality of pneumatic clamps arranged side by side, each pneumatic clamp comprises a group of opposite side positioning structures, and the side positioning structures in the same pneumatic clamp respectively clamp two opposite sides of a workpiece to be machined;
the top surface positioning device comprises a plurality of fixing columns arranged side by side, each fixing column comprises a first positioning surface and a second positioning surface, and the first positioning surface and the second positioning surface are used for fixing the top surface of the workpiece to be machined.
2. The pneumatic tooling fixture of claim 1, wherein: the number of the pneumatic clamps is four, and the number of the fixing columns is four.
3. The pneumatic tooling fixture of claim 1, wherein: the side positioning structure comprises a support frame and a pneumatic pressing plate matched with the support frame, and the pneumatic pressing plate is arranged on the inner side of the support frame in the same pneumatic clamp.
4. The pneumatic tooling fixture of claim 3, wherein: the support frame comprises an outer positioning edge deviating from the pneumatic pressing plate and an inner positioning edge facing the pneumatic pressing plate, and a limit groove is formed between the outer positioning edge and the inner positioning edge.
5. The pneumatic tooling fixture of claim 1, wherein: the fixing column is of an inverted T shape and comprises an upright column and a placing part formed by bending the upright column towards two sides, the first positioning surface and the second positioning surface are arranged on two opposite sides of the upright column respectively, and the first positioning surface and the second positioning surface are perpendicular to the placing part respectively.
6. The pneumatic tooling fixture of claim 1, wherein: the first positioning surface and the second positioning surface are provided with a plurality of positioning holes, and the top surface of the workpiece to be machined is fixed by the first positioning surface and the second positioning surface through the matching of the positioning holes and the positioning pins.
7. The pneumatic tooling fixture of claim 1, wherein: the side positioning device further comprises a plurality of side positioning columns, and the side positioning columns at least comprise two ends arranged in the arrangement direction of the pneumatic clamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828899.0U CN210703784U (en) | 2019-10-29 | 2019-10-29 | Pneumatic tool clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921828899.0U CN210703784U (en) | 2019-10-29 | 2019-10-29 | Pneumatic tool clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210703784U true CN210703784U (en) | 2020-06-09 |
Family
ID=70961912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921828899.0U Expired - Fee Related CN210703784U (en) | 2019-10-29 | 2019-10-29 | Pneumatic tool clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210703784U (en) |
-
2019
- 2019-10-29 CN CN201921828899.0U patent/CN210703784U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200609 |