CN220944143U - Workpiece clamp beneficial to machining - Google Patents
Workpiece clamp beneficial to machining Download PDFInfo
- Publication number
- CN220944143U CN220944143U CN202322680512.4U CN202322680512U CN220944143U CN 220944143 U CN220944143 U CN 220944143U CN 202322680512 U CN202322680512 U CN 202322680512U CN 220944143 U CN220944143 U CN 220944143U
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- positioning block
- base
- positioning
- piece
- grooves
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- 238000003754 machining Methods 0.000 title claims abstract description 26
- 230000009286 beneficial effect Effects 0.000 title abstract description 20
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000002349 favourable effect Effects 0.000 description 5
- 238000009434 installation Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Jigs For Machine Tools (AREA)
Abstract
The utility model belongs to the technical field of tool clamps, and particularly relates to a workpiece clamp beneficial to machining. The fixture comprises a base, a first positioning block, a second positioning block and a compressing piece, wherein the first positioning block and the second positioning block are respectively arranged at two ends of the base, a workpiece is horizontally fixed on the first positioning block and the second positioning block through positioning pins, the compressing piece is arranged on the surface of the workpiece, the compressing piece is fixedly connected with the base, and therefore the vertical direction of the workpiece is limited. In addition, set up the locating piece on the base and carry out accurate location to the locating piece, promote the machining precision of work piece, this work piece anchor clamps still have the range of application wide, strong adaptability's characteristics.
Description
Technical Field
The utility model belongs to the technical field of tool clamps, and particularly provides a workpiece clamp beneficial to machining.
Background
Lathe machining is the most commonly used machining mode in the current machining, and is widely applied by virtue of the characteristics of high speed, high precision and high reliability. When lathe machining is performed, a special fixture needs to be manufactured to clamp a workpiece to be machined, and the fixture needs to be capable of stably clamping the workpiece to be machined on the fixture.
Besides being capable of stably fixing a workpiece, the clamp also needs to consider the problem of complexity of operation during processing, and more clamping devices are arranged on the clamp, so that the workpiece can be accurately positioned on the clamp, but when the workpiece is processed, the clamping devices can set higher requirements on a tool path of a lathe, and therefore the processing complexity is improved. In addition, the surface of the workpiece may be blocked by the clamping device, and the position of the clamping device needs to be adjusted when the surface of the workpiece is processed.
Therefore, the above-described problems are to be solved.
Disclosure of utility model
The utility model aims to: in order to overcome the defects, the utility model aims to provide the workpiece clamp which is favorable for machining, has enough operation space, is convenient for machining workpieces from different directions, can stably clamp the workpieces and meets the machining precision requirement.
The technical scheme is as follows: in order to achieve the above object, the present utility model provides a workpiece holder for facilitating machining, comprising: the device comprises a base, a first positioning block, a second positioning block and a pressing piece; the first positioning block and the second positioning block are respectively arranged at two ends of the base, the first positioning block is provided with a first boss, a group of pin holes are formed in the first boss, the second positioning block is provided with a second boss, a group of pin holes are formed in the second boss, screw holes penetrating through the pressing piece are formed in the pressing piece, and a group of screw holes are formed in the base. In the workpiece clamp favorable for machining, two ends of a workpiece are respectively abutted against the first boss and the second boss and fixed through the positioning pin, so that the workpiece is fixedly machined in the horizontal direction, the pressing piece is pressed on the surface of the workpiece through the bolt, a large amount of space is reserved around the workpiece, and the workpiece can be machined in different directions.
Further, in the workpiece clamp beneficial to processing, a group of grooves are formed in the surface of the base, two ends of the grooves are located at two side edges of the base respectively, a first limiting piece and a second limiting piece are arranged in the grooves, the heights of the first limiting piece and the second limiting piece are larger than the depth of the grooves, grooves with the same width are formed in the corresponding positions of the grooves of the base, the other ends of the first limiting pieces are clamped in the grooves of the first positioning pieces, and the other ends of the second limiting pieces are clamped in the grooves of the second positioning pieces. According to the workpiece clamp beneficial to machining, the grooves are formed in the contact surfaces of the base, the first positioning block and the second positioning block, the first limiting piece and the second limiting piece are arranged in the grooves, the first positioning block and the second positioning block can be limited in one direction, and the machining precision is improved through accurate positioning of the positioning blocks.
Further, in the workpiece clamp beneficial to processing, the first limiting piece and the second limiting piece are provided with pin holes, the first positioning block is connected with the first limiting piece through the positioning pin, and the second positioning block is connected with the second limiting piece through the positioning pin. According to the workpiece clamp beneficial to processing, the pin columns are arranged in the grooves of the positioning blocks, and the pin holes are arranged in the limiting pieces, so that the installation accuracy of the positioning blocks is further improved.
Further, in the workpiece clamp beneficial to processing, the first positioning block further comprises a first platform and a second platform, and a group of pin holes are formed in the first platform and the second platform. According to the workpiece clamp beneficial to processing, on the basis of initially positioning the first positioning block by the limiting piece, the first positioning block is further arranged on the base through the positioning pin due to the small size of the limiting piece, so that the connection firmness of the positioning block and the base is enhanced, and the positioning block is prevented from displacing during processing.
Further, in the workpiece clamp beneficial to processing, the second positioning block further comprises a third platform and a fourth platform, and a group of pin holes are formed in the third platform and the fourth platform. According to the workpiece clamp beneficial to processing, on the basis of initially positioning the second positioning block by the limiting piece, the second positioning block is further arranged on the base through the positioning pin due to the smaller size of the limiting piece, so that the connection firmness of the positioning block and the base is enhanced, and the positioning block is prevented from displacing during processing.
Furthermore, in the workpiece clamp beneficial to processing, the base is also provided with a group of auxiliary positioning blocks, the auxiliary positioning blocks are right opposite to the pressing piece, and the auxiliary positioning blocks are provided with screw holes. In the workpiece clamp beneficial to processing, when the height between the pressing piece and the base is too high, the auxiliary positioning block is required to be arranged to heighten the base, so that a rod piece connecting the pressing piece and the base is prevented from being broken due to processing impact.
Further, in the workpiece clamp beneficial to processing, the auxiliary positioning block is provided with the groove with the same width at the corresponding position of the groove of the base, and the groove of the base and the groove of the auxiliary positioning block are internally clamped with the third limiting piece. In the workpiece clamp favorable for machining, the third limiting piece is arranged between the auxiliary positioning block and the base and used for accurately positioning the auxiliary positioning block.
Further, in the workpiece clamp beneficial to processing, the third limiting piece is provided with a group of pin holes, and the auxiliary positioning block is connected with the third limiting piece through the positioning pin. In the workpiece clamp favorable for processing, the pin column is arranged in the groove of the auxiliary positioning block, the pin hole is arranged in the third limiting piece, and the positioning block is clamped in the groove of the base after being connected with the limiting piece.
Further, in the workpiece clamp beneficial to processing, the auxiliary positioning block is provided with a group of pin holes, and the auxiliary positioning block is arranged on the base through the positioning pin. In the workpiece clamp favorable for processing, the auxiliary positioning block is further positioned by the positioning pin on the basis of the preliminary positioning of the limiting piece.
The technical scheme can be seen that the utility model has the following beneficial effects: according to the workpiece clamp beneficial to processing, the workpiece is fixed on the base through the positioning block and the pressing piece, so that the workpiece can be processed from different directions; the grooves are formed in the base and the positioning blocks, and the limiting pieces are clamped in the grooves, so that the installation accuracy of the positioning blocks is improved, and the machining accuracy of a workpiece is further improved; an auxiliary positioning block is arranged on the base to heighten the base, so that a rod piece connecting the pressing piece and the base is prevented from being broken due to the impact of processing; the workpiece clamp also has the characteristics of wide application range and strong adaptability.
Drawings
FIG. 1 is a schematic view of a clamp structure for clamping a workpiece;
FIG. 2 is a schematic diagram of a clamp structure;
FIG. 3 is a top view of the clamp;
FIG. 4 is a schematic view of a base structure;
fig. 5 is a side view of the positioning block and the base.
In the figure: 1. a base; 11. a first limiting member; 12. a second limiting piece; 13. a third limiting member; 2. a first positioning block; 21. a first boss; 22. a first platform; 23. a second platform; 3. a second positioning block; 31. a second boss; 32. a third platform; 33. a fourth platform; 4. a pressing member; 5. and an auxiliary positioning block.
Detailed Description
In the workpiece clamp which is beneficial to processing as shown in fig. 1 and 2, the clamp comprises a base 1, a first positioning block 2, a second positioning block 3 and a pressing piece 4; the first positioning block 2 and the second positioning block 3 are respectively installed at two ends of the base 1, the first positioning block 2 is provided with a first boss 21, a group of pin holes are formed in the first boss 21, the second positioning block 3 is provided with a second boss 31, a group of pin holes are formed in the second boss 31, screw holes penetrating through the compressing piece 4 are formed in the compressing piece 4, and a group of screw holes are formed in the base 1. The two ends of the workpiece to be processed are respectively placed on the first boss 21 and the second boss 31, and the workpiece is positioned and installed through the positioning pin, so that the fixing of the workpiece in the horizontal direction is completed. The compressing piece 4 is in a long strip shape, two ends of the lower surface of the compressing piece 4 are respectively abutted against the surface of a workpiece, the compressing piece 4 is screwed with the base 1 by bolts, and fixing of the processed workpiece in the vertical direction is completed.
Further, as shown in fig. 2 and 3, when the height of the gap between the pressing member 4 and the base 1 is excessively large, breakage or bending of the bolt may occur at the time of processing, and in order to avoid this problem, the distance between the pressing member 4 and the base 1 is shortened by installing the auxiliary positioning block 5 on the base 1 and providing a screw hole on the auxiliary positioning block 5.
As shown in fig. 2 and 4, two grooves are formed in the base 1, the lengths of the grooves are consistent with those of the base 1, a first limiting piece 11, a second limiting piece 12 and a third limiting piece 13 are arranged in the grooves, and the height of each limiting piece is greater than the depth of each groove. As shown in fig. 5, the first positioning block 2 is provided with a groove with the same width above the groove of the base 1, and the first limiting member 11 is arranged in the groove between the first positioning block 2 and the base 1. The first stopper 11 can effectively prevent the first positioning block 2 from sliding in the direction perpendicular to the groove. In addition, a pin hole is formed in the first limiting piece 11, a pin column is arranged on the first positioning block 2, and the first limiting piece 11 is connected with the first positioning block 2 through a positioning pin. Further, as shown in fig. 2 and 3, the first positioning block 2 is further provided with a first platform 22 and a second platform 23, and the first platform 22 and the second platform 23 are mounted on the base 1 through positioning pins.
The first positioning block 3 is provided with grooves with the same width above the grooves of the base 1, and the second limiting piece 12 is arranged in the grooves between the second positioning block 3 and the base 1. The second limiting piece 12 can effectively prevent the second positioning block 3 from sliding in the direction perpendicular to the groove. In addition, a pin hole is formed in the second limiting piece 12, a pin column is arranged on the second positioning block 3, and the second limiting piece 12 is connected with the second positioning block 3 through a positioning pin. Further, as shown in fig. 2 and 3, the second positioning block 3 is further provided with a third platform 32 and a fourth platform 33, and the third platform 32 and the fourth platform 33 are mounted on the base 1 through positioning pins.
The auxiliary positioning block 5 is provided with grooves with the same width above the grooves of the base 1, and the third limiting piece 13 is arranged in the grooves between the auxiliary positioning block 5 and the base 1. The third limiting piece 13 can effectively prevent the auxiliary positioning block 5 from sliding in the direction perpendicular to the groove. In addition, a pin hole is formed in the third limiting piece 13, a pin column is arranged on the auxiliary positioning block 5, and the third limiting piece 13 is connected with the auxiliary positioning block 5 through a positioning pin. Further, the auxiliary positioning block 5 is also fixed on the base 1 through a positioning pin.
The above embodiments are illustrative for the purpose of illustrating the technical concept and features of the present utility model so that those skilled in the art can understand the content of the present utility model and implement it accordingly, and thus do not limit the scope of the present utility model. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.
Claims (9)
1. A work piece holder that does benefit to processing, its characterized in that: comprises a base (1), a first positioning block (2), a second positioning block (3) and a pressing piece (4); the novel clamping device is characterized in that the first positioning block (2) and the second positioning block (3) are respectively arranged at two ends of the base (1), the first positioning block (2) is provided with a first boss (21), a group of pin holes are formed in the first boss (21), the second positioning block (3) is provided with a second boss (31), a group of pin holes are formed in the second boss (31), screw holes penetrating through the pressing piece (4) are formed in the pressing piece (4), and a group of screw holes are formed in the base (1).
2. A workpiece holder for facilitating machining as defined in claim 1, wherein: the novel positioning device is characterized in that a group of grooves are formed in the surface of the base (1), two ends of each groove are located at two side edges of the base (1), a first limiting piece (11) and a second limiting piece (12) are arranged in each groove, the height of each first limiting piece (11) and the corresponding second limiting piece (12) is larger than the depth of each groove, grooves with the same width are formed in the corresponding positions of the grooves of the base (1), grooves with the same width are formed in the corresponding positions of the grooves of the second positioning pieces (3), the other ends of the first limiting pieces (11) are clamped in the grooves of the first positioning pieces (2), and the other ends of the second limiting pieces (12) are clamped in the grooves of the second positioning pieces (3).
3. A workpiece holder for facilitating machining as defined in claim 2, wherein: the first limiting piece (11) and the second limiting piece (12) are provided with pin holes, the first positioning block (2) is connected with the first limiting piece (11) through a positioning pin, and the second positioning block (3) is connected with the second limiting piece (12) through a positioning pin.
4. A workpiece holder for facilitating machining as defined in claim 3, wherein: the first positioning block (2) further comprises a first platform (22) and a second platform (23), and a group of pin holes are formed in the first platform (22) and the second platform (23).
5. A workpiece holder for facilitating machining as defined in claim 3, wherein: the second positioning block (3) further comprises a third platform (32) and a fourth platform (33), and a group of pin holes are formed in the third platform (32) and the fourth platform (33).
6. A workpiece holder for facilitating machining as defined in claim 2, wherein: a group of auxiliary positioning blocks (5) are further arranged on the base (1), the auxiliary positioning blocks (5) are opposite to the pressing piece (4), and screw holes are formed in the auxiliary positioning blocks (5).
7. The work piece holder for facilitating machining according to claim 6, wherein: the auxiliary positioning block (5) is provided with grooves with the same width at the corresponding positions of the grooves of the base (1), and a third limiting part (13) is clamped between the grooves of the base (1) and the grooves of the auxiliary positioning block (5).
8. The work piece holder for facilitating machining according to claim 7, wherein: the third limiting piece (13) is provided with a group of pin holes, and the auxiliary positioning block (5) is connected with the third limiting piece (13) through a positioning pin.
9. The work holder for facilitating machining according to claim 8, wherein: the auxiliary positioning block (5) is provided with a group of pin holes, and the auxiliary positioning block (5) is arranged on the base (1) through a positioning pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322680512.4U CN220944143U (en) | 2023-10-08 | 2023-10-08 | Workpiece clamp beneficial to machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322680512.4U CN220944143U (en) | 2023-10-08 | 2023-10-08 | Workpiece clamp beneficial to machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220944143U true CN220944143U (en) | 2024-05-14 |
Family
ID=90978004
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322680512.4U Active CN220944143U (en) | 2023-10-08 | 2023-10-08 | Workpiece clamp beneficial to machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220944143U (en) |
-
2023
- 2023-10-08 CN CN202322680512.4U patent/CN220944143U/en active Active
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