Clamp suitable for clamping and fixing die castings of different specifications
By designing fixtures that adapt to different specifications of die-cast parts, and utilizing multi-point clamping and flipping components with threaded screws and rubber pads, the vibration and displacement problems caused by the small contact area of traditional fixtures are solved, achieving higher processing quality and precision.
Patent Information
- Application Number
- CN202422677617.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-04
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-11-04
AI Technical Summary
Traditional flat fixtures have a small contact area when clamping cylindrical die castings, which causes vibration and displacement during the machining process, affecting the machining quality and accuracy.
A fixture adapted to die-cast parts of different specifications was designed. It uses a threaded screw to drive the guide plate and clamping plate to move. The rubber pad is used to vertically and tightly adhere to the surface of the cylindrical die-cast part. Multi-point clamping and flexible flipping are achieved through adjustment and flipping components to adapt to die-cast parts of different specifications.
It improves the clamping stability and flexibility of cylindrical die-cast parts, reduces vibration and displacement during processing, and improves processing quality and precision.
Smart Images
Figure CN223455526U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to die casting fixture field especially relates to a kind of die casting fixture of different specifications clamping and fixed. BACKGROUND
[0002] Die casting is a kind of metal parts manufactured by die casting process, because application field is extensive, so it has diversified specifications and shapes, in the production and processing of die casting, clamping and fixing are crucial, so die casting clamping and fixing fixture is needed.
[0003] After searching, different specifications of die casting have different requirements on clamping force due to the difference of size, material and structure, when traditional plane fixture is used to process cylindrical die casting, because the surface of cylindrical die casting is arc-shaped, traditional fixture can only contact one side and the contact area is small, which causes displacement of cylindrical die casting during processing, affecting the size accuracy and surface quality of subsequent processing, so a kind of die casting fixture of different specifications clamping and fixed is proposed to solve the above problems. SUMMARY
[0004] In order to make up for the above shortcomings, the utility model provides a kind of die casting fixture of different specifications clamping and fixed, to improve the problem of "cylindrical die casting surface is arc-shaped, traditional plane fixture clamping can only clamping to one side and the clamping area is small, which causes displacement during processing, reduces processing quality" in prior art.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme: a kind of die casting fixture of different specifications clamping and fixed, including positioning plate, the top of the positioning plate is fixedly installed with support rod, the middle part of the support rod is penetrated and is connected with threaded screw rod, the right side of the threaded screw rod is rotatably connected with guide plate, the right side of the guide plate is provided with clamping plate, the right side of the clamping plate is provided with clamping mechanism, the clamping mechanism includes support plate, the right side of the support plate is fixedly connected with positioning ring and is provided with two groups, another group of positioning ring is fixedly connected on the right side of support plate, rotatably connected with round bar between two groups of positioning ring, the right side of the round bar is fixedly connected with clamping block, the right side of the clamping block is fixedly connected with rubber pad, the middle part of the clamping plate is provided with adjusting assembly, the adjusting assembly includes bidirectional screw rod, the bidirectional screw rod is penetrated and is rotatably connected in the middle part of clamping plate.
[0006] As a further description of the above technical scheme:
[0007] The turnover assembly is arranged between the clamping plate and the guide plate, the turnover assembly comprises a positioning rod and a supporting ring, the positioning rod is fixedly connected to the right side of the guide plate, and the supporting ring is fixedly connected to the left side of the clamping plate.
[0008] As a further description of the above technical solution:
[0009] The supporting plate is slidingly connected to the middle of the inner wall of the clamping plate, and the supporting plate is arranged in a U shape.
[0010] As a further description of the above technical solution:
[0011] The left side of the guide plate is fixedly connected with a sliding rod below the threaded lead screw, the sliding rod penetrates and is slidingly connected to the middle of the supporting rod below the threaded lead screw.
[0012] As a further description of the above technical solution:
[0013] The clamping block is arranged in a trapezoidal shape.
[0014] As a further description of the above technical solution:
[0015] The top end of the bidirectional threaded rod is fixedly connected with an anti-skid sleeve near the top end of the clamping plate, the left middle of the supporting plate is threadedly connected to the outer wall of the upper portion of the bidirectional threaded rod, and the supporting plate is provided with two groups, and the two groups of supporting plates are symmetrically arranged with the center line of the clamping plate as the axis of symmetry.
[0016] As a further description of the above technical solution:
[0017] A limiting groove is formed in the left outer wall top end of the supporting ring, and a plurality of limiting grooves are formed, the plurality of limiting grooves are arranged in a circular array with the center point of the supporting ring as the center, and the top end of the guide plate is slidingly connected with a guide block.
[0018] As a further description of the above technical solution:
[0019] The lower right side of the guide block is fixedly connected with a limiting block, the limiting block is slidingly connected to the right side of the guide plate, and the limiting block is inserted into the inner wall of the limiting groove.
[0020] The utility model has the advantages of the following beneficial effects:
[0021] 1、in the utility model, through rotating threaded lead screw drive guide plate and clamping plate move, so that two groups of rubber pad contact to cylindrical die casting, through two groups of rubber pad rotation and the surface of cylindrical die casting perpendicular after tightly stick to the outer wall surface of cylindrical die casting and carry out clamping, can adjust the distance between two groups of round rod and rubber pad according to the diameter of cylindrical die casting simultaneously, so that can adapt to different specifications of die casting and carry out clamping.
[0022] 2、The utility model discloses a support ring is limited through the removal of the limiting block sliding out of the limiting groove, and at this moment, the support ring is limited through the removal of the support ring clamped on the left and right sides of the die casting, and at this moment, the die casting can be directly turned over to drive two sets of clamping plates to turn over simultaneously, the flexibility during processing is improved, and the die casting does not need to be taken down to turn over, and the convenience is improved. BRIEF DESCRIPTION OF DRAWINGS
[0023] Figure 1 It is the three-dimensional structure schematic diagram of the whole device in the utility model;
[0024] Figure 2 It is the three-dimensional structure split and the three-dimensional structure section of clamping plate, round rod and support plate in the utility model and the section of clamping plate;
[0025] Figure 3 It is the three-dimensional structure split schematic diagram of screw thread screw rod, guide plate and support ring in the utility model;
[0026] Figure 4 It is the three-dimensional structure section schematic diagram of support ring in the utility model.
[0027] Legend:
[0028] 1, positioning plate, 2, support rod, 3, guide plate, 4, screw thread screw rod, 5, clamping plate, 31, support ring, 32, guide block, 33, limiting block, 34, positioning rod, 35, limiting groove, 51, support plate, 52, round rod, 53, two-way screw rod, 54, rubber pad, 55, clamping block, 56, positioning ring. DETAILED DESCRIPTION
[0029] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0030] Reference Figure 1 and Figure 2The utility model provides a kind of embodiment provided by the utility model: a kind of clamps of different specifications die casting clamping and fixed, including providing support's locating plate 1, the top of locating plate 1 is provided with threaded hole, can be installed on processing table, the top of locating plate 1 is fixedly installed with the support rod 2 of providing support, the middle part of support rod 2 is penetrated and is threadedly connected with the threaded screw rod 4 of guiding guide plate 3 and clamping plate 5 movement, the right side of threaded screw rod 4 is rotatably connected with the guide plate 3 of providing support and driving clamping plate 5 has moved, the right side of guide plate 3 is provided with the clamping plate 5 of can die casting clamping and support clamping mechanism, the right side of clamping plate 5 is provided with clamping mechanism, and clamping mechanism includes the support plate 51 of support round pole 52, the right side of support plate 51 is fixedly connected with the locating ring 56 of support round pole 52 and is provided with two groups, another group of locating ring 56 is fixedly connected in the right side rear portion of support plate 51.
[0031] Further, the right side of the circular rod 52 rotatably connected with support clamping block 55 between two groups of locating ring 56, the right side of circular rod 52 is fixedly connected with the clamping block 55 of support rubber pad 54, the right side of clamping block 55 is fixedly connected with the rubber pad 54 that can be tightly attached to the outer wall of cylindrical die casting, and the rubber pad 54 is of flexible material, can be tightly attached to the outer wall of cylindrical die casting, increase friction, to increase the stability of clamping, the middle part of clamping plate 5 is provided with adjusting assembly, and adjusting assembly includes the two-way threaded rod 53 of driving two groups of support plate 51 movement, the middle part of clamping plate 5 is penetrated and rotatably connected with two-way threaded rod 53, support rod 2, threaded screw rod 4 and clamping plate 5 are provided with two groups, and two groups of support rod 2, threaded screw rod 4 and clamping plate 5 are symmetrically arranged with the center line of locating plate 1 as the axis of symmetry, to be clamped and fixed by two groups of clamping plate 5 cooperation with die casting.
[0032] Referring to Figure 1 , Figure 3 and Figure 4 , the clamping plate 5 and the guide plate 3 are provided with a turnover assembly, the turnover assembly includes a positioning rod 34 and a support ring 31, the clamping plate 5 is supported by the cooperation of the positioning rod 34 and the support ring 31, the positioning rod 34 is fixedly connected to the right side of the guide plate 3, the guide plate 3 supports the positioning rod 34, the support ring 31 is fixedly connected to the left side of the clamping plate 5, and the support ring 31 is rotatably connected to the outer wall of the positioning rod 34 near the right side of the guide plate 3.
[0033] Referring to Figure 1 and Figure 2 , the support plate 51 is slidably connected to the inner wall of the clamping plate 5, the support plate 51 is supported by the cooperation of the clamping plate 5 and the two-way threaded rod 53, the support plate 51 is arranged in a U shape, the circular rod 52 is supported by the cooperation of the support plate 51 arranged in a U shape and the two groups of locating rings 56, the guide plate 3 is fixedly connected to the left side near the lower side of the threaded screw rod 4, the clamping plate 5 is slidably connected to the inner wall of the clamping plate 5, the support plate 51 is supported by the cooperation of the clamping plate 5 and the two-way threaded rod 53, the support plate 51 is arranged in a U shape, the circular rod 52 is supported by the cooperation of the support plate 51 arranged in a U shape and the two groups of locating rings 56, the guide plate 3 is fixedly connected to the left side near the lower side of the threaded screw rod 4.
[0034] With reference to Figure 1 And Figure 2 , the clamping block 55 is set to a trapezoidal shape, which can increase the stability of clamping and fixing, and can prevent the clamping block 55 from rotating after clamping. The top end of the double-direction threaded rod 53 is fixedly connected with an anti-skid sleeve close to the top end of the clamping plate 5. The anti-skid sleeve can drive the double-direction threaded rod 53 to rotate by rotating the anti-skid sleeve. The left middle part of the supporting plate 51 is threadedly connected to the upper outer wall of the double-direction threaded rod 53. The supporting plate 51 is provided with two groups, and the two groups of supporting plates 51 are symmetrically arranged with the center line of the clamping plate 5 as the axis of symmetry. The two groups of supporting plates 51 move in opposite directions at the same time, so that the position can be adjusted according to the diameter of the cylindrical die casting, so that the clamping and fixing of cylindrical die castings of different specifications can be adapted.
[0035] With reference to Figure 1 , Figure 3 And Figure 4 , the left outer wall top end of the supporting ring 31 is provided with a plurality of limiting grooves 35 for limiting the supporting ring 31 in cooperation with the limiting blocks 33, and is provided with a plurality of limiting grooves 35. The center point of the supporting ring 31 is arranged in a circular array. The clamped cylindrical die casting is turned by rotating the supporting ring 31, and is limited by the plurality of limiting grooves 35 and limiting blocks 33. The top end of the guide plate 3 is slidably connected with a guide block 32 for driving the limiting block 33 to move. The lower right side of the guide block 32 is fixedly connected with the limiting block 33 which can limit the supporting ring 31 by sliding into the limiting groove 35. The limiting block 33 is tightly attached to the inner wall of the limiting groove 35 without gap, which can stably limit the supporting ring 31. The limiting block 33 is slidably connected to the right side of the guide plate 3, and the limiting block 33 is inserted into the inner wall of the limiting groove 35.
[0036] Working principle: in use, the guide plate 3 and the clamping plate 5 are moved by rotating the threaded screw rod 4 and the supporting rod 2 threadedly connected, the two groups of clamping plates 5 are moved to drive the two groups of clamping blocks 55 and the rubber pads 54 to move, the cylindrical die casting is extruded by moving the plurality of rubber pads 54, and the clamping block 55 is rotated to make the clamping block 55 and the rubber pad 54 perpendicular to the surface of the cylindrical die casting and tightly attached to the outer wall surface of the cylindrical die casting. The rubber pad 54 can be tightly attached to the outer wall of the cylindrical die casting. The cylindrical die casting can be stably clamped by the cooperation of the plurality of rubber pads 54. When the diameter of the cylindrical die casting is different, the anti-skid sleeve can drive the double-direction threaded rod 53 to rotate, and the two groups of supporting plates 51 and clamping blocks 55 are moved, so that the diameter can be adjusted according to the diameter of the cylindrical die casting, and the cylindrical die casting of different diameters can be clamped and fixed, which increases the adaptability.
[0037] When one side is finished, the guide block 32 can be moved to drive the limiting block 33 to slide out of the limiting groove 35, at this time, the left and right two groups of supporting rings 31 on the positioning plate 1 are all released from the limiting, at this time, the clamping plate 5 can be rotated to drive the die casting to be turned over, the die casting can be turned over without being released from the clamping, the flexibility during the processing is improved, after the turning over is completed, the guide block 32 can be moved to drive the limiting block 33 to slide into the corresponding limiting groove 35 to limit the supporting ring 31, so that the processing can be continuously carried out, and the operation is more convenient.
[0038] Finally, it should be noted that: the above only for the preferred embodiments of the present application, and not for limiting the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can be modified to the technical solutions recorded in the foregoing embodiments, or equivalent replacement for part of the technical features, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application, should be included in the protection scope of the present application.
Claims
1. A fixture for clamping and fixing different specifications of die castings, comprising a positioning plate (1), characterized in that: The top end of the positioning plate (1) is fixedly installed with a supporting rod (2), the middle part of the supporting rod (2) is penetrated and threadedly connected with a threaded lead screw (4), the right side of the threaded lead screw (4) is rotatably connected with a guide plate (3), the right side of the guide plate (3) is provided with a clamping plate (5), the right side of the clamping plate (5) is provided with a clamping mechanism, the clamping mechanism comprises a supporting plate (51), the right side front of the supporting plate (51) is fixedly connected with a positioning ring (56) and is provided with two groups, the other group of the positioning ring (56) is fixedly connected to the right side rear of the supporting plate (51), the two groups of the positioning ring (56) are rotatably connected with a round rod (52), the right side of the round rod (52) is fixedly connected with a clamping block (55), the right side of the clamping block (55) is fixedly connected with a rubber pad (54), the middle part of the clamping plate (5) is provided with an adjusting assembly, and the adjusting assembly comprises a bidirectional threaded rod (53), the bidirectional threaded rod (53) penetrates and is rotatably connected to the middle part of the clamping plate (5).
2. The fixture for clamping and fixing different specifications of die castings according to claim 1, characterized in that: The clamping plate (5) and the guide plate (3) are provided with a turnover assembly, the turnover assembly comprises a positioning rod (34) and a supporting ring (31), the positioning rod (34) is fixedly connected to the right side of the guide plate (3), and the supporting ring (31) is fixedly connected to the left side of the clamping plate (5). The supporting ring (31) is rotatably connected to the outer wall of the positioning rod (34) near the right side of the guide plate (3).
3. The fixture of claim 1, wherein: The supporting plate (51) is slidably connected to the middle part of the inner wall of the clamping plate (5), and the supporting plate (51) is provided in a U shape.
4. The fixture of claim 1, wherein: The left side of the guide plate (3) is fixedly connected with a sliding rod below the threaded lead screw (4), and the sliding rod penetrates and is slidably connected to the middle part of the supporting rod (2) below the threaded lead screw (4).
5. The fixture for clamping and fixing different specifications of die castings according to claim 1, characterized in that: The clamping block (55) is provided in a trapezoidal shape.
6. The fixture for clamping and fixing different specifications of die castings according to claim 1, characterized in that: The top end of the bidirectional threaded rod (53) is fixedly connected with an anti-skid sleeve near the top end of the clamping plate (5), the left side middle part of the supporting plate (51) is threadedly connected to the upper outer wall of the bidirectional threaded rod (53), the supporting plate (51) is provided with two groups, and the two groups of the supporting plate (51) are symmetrically arranged with the center line of the clamping plate (5) as the axis of symmetry.
7. The fixture of claim 2, wherein: The left side outer wall top end of the supporting ring (31) is provided with a plurality of limiting grooves (35), and the plurality of limiting grooves (35) are arranged in a circular array with the center point of the supporting ring (31) as the center, and the top end of the guide plate (3) is slidably connected with a guide block (32).
8. The fixture of claim 7, wherein: The lower right side of the guide block (32) is fixedly connected with a limiting block (33), the limiting block (33) is slidably connected to the right side of the guide plate (3), and the limiting block (33) is inserted into the inner wall of the limiting groove (35).