CN212217809U - Elastic machining clamp for high-position precision parts - Google Patents
Elastic machining clamp for high-position precision parts Download PDFInfo
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- CN212217809U CN212217809U CN201922278103.5U CN201922278103U CN212217809U CN 212217809 U CN212217809 U CN 212217809U CN 201922278103 U CN201922278103 U CN 201922278103U CN 212217809 U CN212217809 U CN 212217809U
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Abstract
The utility model provides an elastic processing clamp for high-position precision parts, which comprises a base, a lateral deformation block B and a lateral deformation block A, wherein the base is provided with an axial positioning device; the lateral deformation block B and the lateral deformation block A are elastic positioning blocks and are fixedly connected with the base; the axial positioning device compresses and positions the axial direction of the part to be processed, and the lateral deformation block B and the lateral deformation block A are matched to clamp two lateral directions of the part to be processed. The utility model discloses an adjustment fixture body is last deformation piece makes it produce elastic deformation, guarantees suitable magnitude of interference between part and the deformation piece, realizes the quick clamping centering of the big tolerance size of part, and this anchor clamps centre gripping is accurate, stable, can not take place not hard up, need not adjust anchor clamps according to the part tolerance, has greatly reduced the influence of human factor to product quality, and product quality is stable, and efficiency is showing and is promoting, requires obvious the reduction to operating personnel's specialty.
Description
Technical Field
The utility model belongs to the technical field of processing, a add clamping apparatus is related to, concretely relates to elasticity of high position degree precision part adds clamping apparatus.
Background
When the high-position precision parts are roughly machined in the previous process, the part tolerance is large, and the appearance sizes of the same parts are different. And finishing is required subsequently, so that the finished end faces of the same parts are consistent. The original mode is to adopt machining center, carries out solitary finish machining to every part, and finish machining all must all be with the help of multinomial instruments such as vice, terminal surface locating piece and horizontal correcting unit to the part centering simultaneously each time, and processing all needs centering again at every turn, and clamping efficiency is extremely low, and the clamping is extremely unstable, has human error.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an elasticity adds clamping apparatus of high position degree precision part, this anchor clamps can be in batches the great part of clamping tolerance and carry out the terminal surface finish machining, and size precision, shape accuracy, the position precision of processing can both satisfy the requirement, and the clamping is stable, and the clamping is efficient.
The technical scheme of the utility model is that: an elastic processing clamp for high-position precision parts comprises a base, a lateral deformation block B and a lateral deformation block A, wherein an axial positioning device is arranged on the base; the lateral deformation block B and the lateral deformation block A are elastic positioning blocks and are fixedly connected with the base; the axial positioning device compresses and positions the axial direction of the part to be processed, and the lateral deformation block B and the lateral deformation block A are matched to clamp two lateral directions of the part to be processed.
Further, the axial positioning device comprises an axial pressing device, an end face pressing block and an end face positioning block, the axial pressing device is rotatably and axially movably arranged on the end face pressing block, the end face pressing block and the end face positioning block are fixedly connected with the base, and a machining position of a part to be machined is arranged between the end face pressing block and the base.
Further, the end face positioning block is arranged in the middle of the base, the end face pressing blocks are arranged at two axial ends of the base, and the avoidance grooves are formed in the lower portions of the end face pressing blocks.
Furthermore, a pressing plate and a compression screw are further arranged, the pressing plate is arranged on the end face positioning block, and the upper part of the part to be processed is compressed through the compression screw.
Furthermore, there are 4 side direction deformation blocks A, and side direction deformation block B has 4 at least, and side direction deformation block A establishes respectively in the both sides of base, and 4 side direction deformation block B establish in the position of base cooperation side direction deformation block A, are equipped with the toper extrusion screw between the adjacent side direction deformation block B.
Furthermore, a lateral compression block and a conical extrusion screw are further arranged, the lateral compression block is fixedly connected with the base and arranged on the outer side of the lateral deformation block A, the conical extrusion screw is fixed on the lateral compression block in a rotatable and laterally moving mode, and one end of the conical extrusion screw is in contact with the lateral deformation block A.
Furthermore, the upper surface of the base is provided with avoidance holes.
The utility model has the advantages that: the utility model discloses an adjustment fixture body is last deformation piece makes it produce elastic deformation, guarantees suitable magnitude of interference between part and the deformation piece, realizes the quick clamping centering of the big tolerance size of part, and this anchor clamps centre gripping is accurate, stable, can not take place not hard up, need not adjust anchor clamps according to the part tolerance, has greatly reduced the influence of human factor to product quality, and product quality is stable, and efficiency is showing and is promoting, requires obvious the reduction to operating personnel's specialty.
Drawings
FIG. 1 is a view of the structure of an elastic processing fixture according to an embodiment of the present invention;
the device comprises a base, a pressing plate, a pressing screw, a lateral deformation block B, a lateral deformation block A, a lateral compression block 7, an avoidance hole 8, an end face positioning block 9, a conical extrusion screw 10, a base and a lateral extrusion screw 12.
Detailed Description
This section is an embodiment of the present invention for explaining and explaining the technical solution of the present invention.
An elastic processing clamp for high-position precision parts comprises a base 11, a lateral deformation block B5 and a lateral deformation block A6, wherein an axial positioning device is arranged on the base 11; the lateral deformation block B5 and the lateral deformation block A6 are elastic positioning blocks and are fixedly connected with the base 11; the axial positioning device is used for pressing and positioning the axial direction of the part to be machined, and the lateral deformation block B5 and the lateral deformation block A6 are matched to clamp two lateral sides of the part to be machined. The axial positioning device comprises an axial pressing device 1, an end face pressing block 2 and an end face positioning block 9, the axial pressing device 1 is arranged on the end face pressing block 2 in a rotatable and axially movable mode, the end face pressing block 2 and the end face positioning block 9 are fixedly connected with the base 11, and a machining position of a part to be machined is arranged between the end face pressing block 2 and the end face positioning block 9 as well as the base 11.
Wherein, the terminal surface locating piece 9 is established at the middle part of base 11, and the terminal surface compact heap 2 is established at the axial both ends of base 11, and the terminal surface compact heap 2 has the groove of dodging.
The machining fixture is further provided with a pressing plate 3 and a compression screw 4, wherein the pressing plate 3 is arranged on the end face positioning block 9, and the part to be machined is compressed through the compression screw 4.
Lateral deformation piece A6 has 4, and lateral deformation piece B5 has 4 at least, and lateral deformation piece A6 establishes respectively in the both sides of base 11, and 4 lateral deformation piece B5 establish in the position of base 11 cooperation lateral deformation piece A6, are equipped with toper extrusion screw 10 between the adjacent lateral deformation piece B5.
Furthermore, a lateral pressing block 7 and a conical extrusion screw 10 are further arranged, the lateral pressing block 7 is fixedly connected with the base 11 and is arranged on the outer side of the lateral deformation block A6, the conical extrusion screw 10 is fixed on the lateral pressing block 7 in a rotatable and laterally movable mode, and one end of the conical extrusion screw 10 is in contact with the lateral deformation block A6. The upper surface of the base 11 is provided with avoidance holes 8.
Another embodiment of the present invention will be described below with reference to the accompanying drawings.
As shown in fig. 1, the elastic processing clamp for the high-position precision part comprises an axial compression screw 1, an end face compression device 2, a pressure plate 3, a compression screw 4, a lateral deformation block B5, a lateral deformation block a6, a lateral compression block 7, an avoidance hole 8, an end face positioning block 9, a conical extrusion screw 10, a base 11 and a lateral extrusion screw 12.
The middle of the upper surface of the base 11 is fixedly provided with a long-strip-shaped end face positioning block 9, end face pressing blocks 2, 4 lateral deformation blocks A6 and 12 lateral deformation blocks B4 on two sides, the end face pressing block 2 is provided with an axial pressing device 1, the end face positioning block 9 is provided with a pressing screw 4, and the lateral pressing block 7 is provided with a lateral extrusion screw 12, and the base 11 is respectively connected with a conical extrusion screw 10 through threads. The upper surface of the base 11 is drilled with relief holes 8.
The axial pressing device 1 is a universal rotating device and can swing and rotate along the circumference.
The end face positioning block 9 is perpendicular to the axial pressing device 1.
The size of the gap between the two lateral deformation blocks B5 is equal to the middle part of the conical surface of the conical extrusion screw 10.
The lateral deformation block B5 and the lateral deformation block A6 are made of spring steel materials such as 55SiMn, 50CrVA, 30W4Cr2VA and the like.
The thickness of the thickest part of the lateral deformation block B5 and the lateral deformation block A6 is determined according to the material and deformation of the deformation blocks, and is generally not more than 2 mm.
The deformation amount of the lateral deformation block B5 and the deformation amount of the lateral deformation block A6 are not more than 1mm in principle.
Two sides at the base are established respectively to 4 side direction deformation piece A6, specifically on the outer base 11 of four angles of terminal surface locating piece 9, 4 side direction deformation piece B5 and these 4 side direction deformation piece A6 cooperate, and two liang of complex distributions of remaining 8 side direction deformation pieces B5 are equipped with toper extrusion screw 10 in the axial both sides of terminal surface locating piece 9 between two side direction deformation pieces B5 of adjacent but not cooperation clamping part of waiting to process.
The clamp can clamp 8 parts to be machined at one time.
The elastic processing clamp is implemented by the following steps:
1. according to the size of a workpiece, the lateral deformation block A6 and the lateral deformation block B5 are adjusted, so that the distance between every two adjacent deformation blocks is smaller than the external dimension of the part by 0.005-0.01 mm.
2. The machining center probe was used to measure and center between the side deformation block a6 and the side deformation block B5, or between two mating side deformation blocks B5.
3. And pressing the workpiece into a position between the lateral deformation block A6 and the lateral deformation block B5 or between two matched lateral deformation blocks B5, wherein one side of the workpiece is tightly attached to the end face positioning block 9, the other side of the workpiece is tightly pressed by the end face pressing device 2, and the pressing screw 4 is screwed down to enable the pressing plate 3 to tightly press the workpiece from the other direction.
4. And (5) processing the part.
Claims (7)
1. An elastic processing clamp for high-position precision parts is characterized by comprising a base (11), a lateral deformation block B (5) and a lateral deformation block A (6), wherein an axial positioning device is arranged on the base (11); the lateral deformation block B (5) and the lateral deformation block A (6) are elastic positioning blocks and are fixedly connected with the base (11); the axial positioning device compresses and positions the axial direction of the part to be processed, and the lateral deformation block B (5) and the lateral deformation block A (6) are matched to clamp two lateral directions of the part to be processed.
2. The elastic processing clamp for the high-position precision part according to claim 1, characterized in that the axial positioning device comprises an axial pressing device (1), an end face pressing block (2) and an end face positioning block (9), the axial pressing device (1) is rotatably and axially movably arranged on the end face pressing block (2), the end face pressing block (2) and the end face positioning block (9) are fixedly connected with a base (11), and the processing positions of the parts to be processed are arranged between the end face pressing block (2), the end face positioning block (9) and the base (11).
3. The elastic processing clamp for the high-position precision part according to claim 2, wherein the end face positioning block (9) is arranged in the middle of the base (11), the end face pressing blocks (2) are arranged at two axial ends of the base (11), and avoidance grooves are formed below the end face pressing blocks (2).
4. The elastic processing clamp for the high-position precision part according to claim 3, characterized in that a pressing plate (3) and a compression screw (4) are further provided, the pressing plate (3) is arranged on the end face positioning block (9), and the compression screw (4) is used for compressing the part to be processed.
5. The elastic machining clamp for the high-position-degree precision part as claimed in claim 1, wherein the number of the lateral deformation blocks A (6) is 4, the number of the lateral deformation blocks B (5) is at least 4, the lateral deformation blocks A (6) are respectively arranged on two sides of the base (11), the 4 lateral deformation blocks B (5) are arranged at positions where the base (11) is matched with the lateral deformation blocks A (6), and a conical extrusion screw (10) is arranged between every two adjacent lateral deformation blocks B (5).
6. The elastic processing clamp for the high-position precision part is characterized by further comprising a lateral pressing block (7) and a conical extrusion screw (10), wherein the lateral pressing block (7) is fixedly connected with a base (11) and is arranged on the outer side of the lateral deformation block A (6), the conical extrusion screw (10) is fixed on the lateral pressing block (7) in a rotatable and laterally movable mode, and one end of the conical extrusion screw (10) is in contact with the lateral deformation block A (6).
7. The elastic processing clamp for the high-position precision part as claimed in claim 1, wherein the upper surface of the base (11) is provided with an avoiding hole (8).
Priority Applications (1)
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CN201922278103.5U CN212217809U (en) | 2019-12-17 | 2019-12-17 | Elastic machining clamp for high-position precision parts |
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CN201922278103.5U CN212217809U (en) | 2019-12-17 | 2019-12-17 | Elastic machining clamp for high-position precision parts |
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CN212217809U true CN212217809U (en) | 2020-12-25 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116551418A (en) * | 2023-07-07 | 2023-08-08 | 杭州鄂达精密机电科技有限公司 | Clamp for punching batch valve seats |
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2019
- 2019-12-17 CN CN201922278103.5U patent/CN212217809U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN116551418A (en) * | 2023-07-07 | 2023-08-08 | 杭州鄂达精密机电科技有限公司 | Clamp for punching batch valve seats |
CN116551418B (en) * | 2023-07-07 | 2023-09-19 | 杭州鄂达精密机电科技有限公司 | Clamp for punching batch valve seats |
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