CN220007456U - Plastic part processing positioning clamp - Google Patents
Plastic part processing positioning clamp Download PDFInfo
- Publication number
- CN220007456U CN220007456U CN202320891985.6U CN202320891985U CN220007456U CN 220007456 U CN220007456 U CN 220007456U CN 202320891985 U CN202320891985 U CN 202320891985U CN 220007456 U CN220007456 U CN 220007456U
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- clamping piece
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- 239000000758 substrate Substances 0.000 claims abstract description 5
- 238000001125 extrusion Methods 0.000 claims abstract description 4
- 238000003754 machining Methods 0.000 claims description 18
- 238000009434 installation Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model discloses a plastic part processing positioning fixture, which comprises: a substrate as a carrying platform for the workpiece; at least one group of mounting seats are arranged on the base plate, clamping pieces with adjustable mounting heights are arranged on the mounting seats, the clamping pieces can be slidably adjusted along the side surfaces of the workpieces from the clamping ends of the workpieces, and the outer diameter size gradient of the clamping pieces and the attaching sides of the workpieces along the sliding adjusting direction is changed, so that the workpieces are clamped by means of side surface extrusion, and the clamping force is adjusted. According to the clamping device, the clamping piece which is adjusted in the sliding mode along the side face of the workpiece is arranged, the outer diameter of the clamping piece is changed in a gradient mode along the sliding adjusting direction, clamping force is adjusted more conveniently, and the clamping device is suitable for workpieces with different sizes.
Description
Technical Field
The utility model relates to the technical field of clamps, in particular to a plastic part machining positioning clamp.
Background
In the clamping process of the workpiece, particularly a very thin workpiece, the workpiece is easy to deform, and after the clamping force is unloaded, the elastic deformation of the workpiece is automatically recovered. The size of the workpiece under the condition of no stress is not the same as the machining size. Once the clamping force is too large, the yield limit of the workpiece is exceeded, particularly, the workpiece is clamped for a long time, the workpiece is easy to deform in a molding way, and the clamping part of the machined part is inconsistent with the machining size; otherwise, the clamping is not tight, and vibration is large in processing, so that the final processing size and weight are affected.
For the processing of plastic parts, the plastic parts have the characteristics of easy deformation, small density, easy processing and the like compared with metal materials, and are very easy to deform due to clamping in the clamping of a table top of a CNC processing center; after the machining is finished, the workpiece is elastically restored, so that the size and the shape of the workpiece are changed to a certain extent, and the deformation after the machining is finished is larger as the clamping force is larger. Therefore, in the processing of plastic workpieces, it is in principle recommended to take a high-force clamping initial processing and a slight clamping finishing sequence.
For clamping and fixing of plastic parts, the shape of the workpiece is changed along with the processing, the clamping position and the clamping force are required to be adjusted, and the clamping position is generally inconvenient to adjust by a conventional tool, so that clamps with different specifications and shapes are required to be selected; in the prior art, flexible clamps can be used, but the cost is high.
Disclosure of Invention
The present utility model aims to solve at least one of the technical problems in the related art to some extent. Therefore, an object of the present utility model is to provide a plastic part machining positioning fixture, which can adaptively adjust a clamping force and is convenient for adjusting a clamping position.
The technical scheme of the utility model is as follows:
a plastic part machining positioning fixture, comprising:
a substrate as a carrying platform for the workpiece;
at least one group of mounting seats are arranged on the base plate, clamping pieces with adjustable mounting heights are arranged on the mounting seats, the clamping pieces can be slidably adjusted along the side surfaces of the workpieces from the clamping ends of the workpieces, and the outer diameter size gradient of the clamping pieces and the attaching sides of the workpieces along the sliding adjusting direction is changed, so that the workpieces are clamped by means of side surface extrusion, and the clamping force is adjusted.
Further, the installation hole is rotationally connected with the adjusting rod, the adjusting rod is in threaded connection with the clamping piece, and the adjusting rod is provided with reverse threads.
Further, the clamping pieces are arranged on two sides of the workpiece in a limiting sliding manner in opposite directions.
Further, the clamping piece is in a conical shape on the joint side of the clamping piece and the workpiece.
Further, the mounting seat comprises a first mounting seat arranged on the side face of the workpiece to be processed.
Further, a plurality of mounting holes with different heights are formed in the first mounting seat at equal intervals, a first clamping piece with adjustable mounting height is arranged on the first mounting seat, and the first clamping piece can be slidably adjusted along the side face of the workpiece from the end part of the workpiece.
Further, one side, far away from the workpiece, of the first clamping piece is connected with a first positioning block, a first limiting plate is connected to the first mounting seat corresponding to the first positioning block, a first positioning groove is formed in the inner side of the first limiting plate corresponding to the first positioning block, and the first positioning groove is in limiting fit with the first positioning block.
Further, the mounting seat further comprises a second mounting seat arranged on the side surface of the top of the workpiece to be processed.
Further, the second mounting seat is provided with a plurality of mounting holes at different heights, and is used for mounting a second clamping piece with adjustable height on the second mounting seat, and the second clamping piece is slidably adjusted along the side face of the top of the workpiece from the end part of the workpiece.
Further, a second locating block is also arranged on one side, far away from the workpiece, of the second clamping piece, a second limiting plate is connected to the second locating block in a sliding mode on the second installation seat, and a second locating groove for limiting sliding of the second locating block is formed in the second limiting plate.
The utility model has the beneficial effects that: through setting up the clamping piece of adjusting along the work piece side slip, and clamping piece along slip regulation direction external diameter gradient change, more conveniently adjust clamping force, and be fit for the work piece of equidimension.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic view of a flat panel housing to be machined;
FIG. 2 is a schematic structural view of a positioning fixture for plastic part processing according to the present utility model;
in the figure: 1-a substrate; 2-a first mounting base; 3-a first clamping member; 31-a first positioning block; 4-a first limiting plate; 41-a first positioning groove; 5-a second mounting seat; 6-a second clamping member; 61-a second positioning block; 7-a second limiting plate; 71-a second positioning groove; 8-adjusting the rod.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Examples of the embodiments are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements throughout or elements having like or similar functionality. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
Referring to fig. 1-2, a plastic part machining positioning jig, comprising:
the substrate 1 is used as a carrying platform of a workpiece and is arranged on a machining center platform; a plurality of first mounting seats 2 are fixed on the base plate 1 through bolts, the first mounting seats 2 are arranged on the side face of a workpiece to be processed, first clamping pieces 3 with adjustable mounting heights are arranged on the first mounting seats 2, the first clamping pieces 3 can be slidably adjusted along the side face of the workpiece from the end part of the workpiece, and the outer diameters of the first clamping pieces 3 and the attaching side of the workpiece are graded so as to clamp the workpiece by means of side face extrusion and adjust clamping force.
In the embodiment, a plurality of mounting holes with different heights are formed in the first mounting seat 2 at equal intervals, the mounting holes are rotationally connected with the adjusting rod 8 (one end part of the adjusting rod 8 can be provided with a forming nut for adjustment), the adjusting rod 8 is in threaded connection with the first clamping piece 3, the first clamping piece 3 is in a conical shape on the attaching side of the workpiece and is arranged on two sides of the workpiece in opposite directions, reverse threads are arranged on the adjusting rod 8, the first clamping piece 3 can be reversely adjusted by rotating the adjusting rod 8, synchronous reverse adjustment of the first clamping piece 3 and the second clamping piece is further realized, and the moving distance of the first clamping piece 3 is controlled to further control the clamping force; in the embodiment, one side of a first clamping piece 3 far away from a workpiece is connected with a first positioning block 31, a first limiting plate 4 is connected on a first mounting seat 2 corresponding to the first positioning block 31, a (plurality of) first positioning grooves 41 are formed on the inner side of the first limiting plate 4 corresponding to the first positioning block 31, and the first positioning grooves 41 are in limiting fit with the first positioning block 31;
of course, in this example, only the case where two first clamping members are provided at one side end of the work piece is shown, and only one first clamping member may be provided. Meanwhile, the height of the first mounting seat 2 can be set to be higher than the height of the workpiece, so that the first clamping piece 3 can provide a pressing clamping force for the workpiece when being adjusted to a high position.
Further, in order to increase the protection of certain thinner workpieces, a second mounting seat 5 is arranged in the middle of the workpiece, the second mounting seat 5 is similar to the first mounting seat in structure, a plurality of mounting holes are also formed at different heights and used for mounting a second clamping piece 6 with adjustable height on the second mounting seat 2, the second clamping piece 6 is similar to the first clamping piece 3 in structure, the second clamping piece 6 is slidingly adjusted along the side surface of the top of the workpiece from the end part of the workpiece, and the outer diameter of the attaching side of the second clamping piece 6 and the workpiece is changed in a gradient manner;
the second locating piece 61 is also arranged on one side, far away from the workpiece, of the second clamping piece 6, the second locating piece 61 is correspondingly connected with the second limiting plate 7 in a sliding mode on the second installation seat 5, and the second locating groove 71, which is used for limiting and sliding the second locating piece 61, is formed in the second limiting plate 7, so that workpieces with different heights can be adapted, adjustment is more flexible, and adaptability is stronger.
The second clamping piece 6 is arranged, a certain clamping force can be further provided for the upper surface, after the clamping of the two sides is reduced, the workpiece is arched upwards to deform, and the yield is ensured.
In the present utility model, the structure and connection relationship not described in detail are all the prior art, and the structure and principle thereof are already known technologies and are not described herein.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (10)
1. A plastic part machining positioning fixture, comprising:
a substrate as a carrying platform for the workpiece;
at least one group of mounting seats mounted on the base plate;
the method is characterized in that: the clamping piece with adjustable mounting height is arranged on the mounting seat, the clamping piece can be slidably adjusted along the side face of the workpiece from the clamping end of the workpiece, and the outer diameter dimension gradient of the clamping piece and the attaching side of the workpiece along the sliding adjusting direction is changed, so that the workpiece is clamped by means of side face extrusion, and the clamping force is adjusted.
2. The plastic part machining positioning jig according to claim 1, wherein: the installation hole is rotationally connected with the adjusting rod, the adjusting rod is in threaded connection with the clamping piece, and the adjusting rod is provided with reverse threads.
3. The plastic part machining positioning jig according to claim 2, wherein: the clamping pieces are arranged on two sides of the workpiece in a limiting sliding manner in opposite directions.
4. A plastic part machining positioning jig according to claim 3, wherein: the clamping piece is in a conical shape on the joint side of the clamping piece and the workpiece.
5. The plastic part machining positioning jig according to claim 4, wherein: the mounting seat comprises a first mounting seat arranged on the side face of the workpiece to be processed.
6. The plastic part machining positioning jig according to claim 5, wherein: the first mounting seat is provided with a plurality of mounting holes with different heights at equal intervals, the first mounting seat is provided with a first clamping piece with adjustable mounting height, and the first clamping piece can be slidingly adjusted along the side face of the workpiece from the end part of the workpiece.
7. The plastic part machining positioning jig according to claim 6, wherein: one side of the first clamping piece, which is far away from the workpiece, is connected with a first locating block, a first locating plate is connected to the first mounting seat corresponding to the first locating block, a first locating groove is formed in the inner side of the first locating plate corresponding to the first locating block, and the first locating groove is in limiting fit with the first locating block.
8. The plastic part machining positioning jig according to any one of claims 1 to 7, wherein: the mounting seat further comprises a second mounting seat arranged on the side surface of the top of the workpiece to be processed.
9. The plastic part machining positioning jig according to claim 8, wherein: the second mounting seat is provided with a plurality of mounting holes at different heights and is used for mounting a second clamping piece with adjustable height on the second mounting seat, and the second clamping piece is slidably adjusted along the side face of the top of the workpiece from the end part of the workpiece.
10. The plastic part machining positioning jig according to claim 9, wherein: the side of the second clamping piece, which is far away from the workpiece, is also provided with a second positioning block, the second positioning block is correspondingly connected with a second limiting plate in a sliding way on a second installation seat, and a second positioning groove for limiting and sliding of the second positioning block is formed in the second limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320891985.6U CN220007456U (en) | 2023-04-18 | 2023-04-18 | Plastic part processing positioning clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320891985.6U CN220007456U (en) | 2023-04-18 | 2023-04-18 | Plastic part processing positioning clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220007456U true CN220007456U (en) | 2023-11-14 |
Family
ID=88676929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320891985.6U Active CN220007456U (en) | 2023-04-18 | 2023-04-18 | Plastic part processing positioning clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220007456U (en) |
-
2023
- 2023-04-18 CN CN202320891985.6U patent/CN220007456U/en active Active
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