Special-shaped workpiece machining clamp

By designing an adjustable limit screw and clamping device, the problem of existing fixtures being unable to clamp irregularly shaped workpieces has been solved, achieving flexible fixing and stable positioning of irregularly shaped workpieces.

CN224027475UActive Publication Date: 2026-03-24DANDONG LIDA TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-06
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

Existing workpiece machining fixtures are difficult to effectively clamp and limit irregularly shaped workpieces, especially those with different heights and sizes.

Method used

A jig for machining irregularly shaped workpieces was designed. By adjusting the angle and height of the support rod and the limiting screw on the support plate, as well as the clamping device, and by adjusting the position and length of the limiting component, the irregularly shaped workpieces can be flexibly fixed.

Benefits of technology

It improves the clamping flexibility and stability of irregular workpieces, can adapt to irregular workpieces of different shapes and sizes, and ensures stable positioning during the processing.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of special-shaped workpiece machining, in particular to a special-shaped workpiece machining clamp which comprises a fixing plate, supporting plates are fixedly connected to the front portion, the rear portion, the left portion and the right portion of the upper end of the fixing plate, and first limiting screw rods are connected to the outer surfaces of the four supporting plates in a penetrating mode. Supporting rods are fixedly connected to the four corners of the upper end of the fixing plate correspondingly, limiting blocks are fixedly connected to the upper ends of the four supporting rods correspondingly, the outer surfaces of the four supporting rods are sleeved with supporting frames correspondingly, the outer surfaces of the four supporting frames are sleeved with clamping devices correspondingly, and a supporting pad is fixedly connected to the middle of the upper end of the fixing plate. The clamping device comprises a first rotating ring, a supporting rod is fixedly connected to the right portion of the outer surface of the first rotating ring, and a first limiting jackscrew is connected to the left portion of the outer surface of the first rotating ring in a penetrating mode. According to the special-shaped workpiece machining clamp, due to the fact that the four clamping devices are arranged, special-shaped workpieces of different sizes can be clamped and fixed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to special-shaped workpiece machining technical field, especially a special-shaped workpiece machining clamp. BACKGROUND

[0002] Workpiece clamp device plays an important role in manufacturing and machining process, they are used for fixing, supporting and positioning workpiece, ensure that it keeps stable and accurate position in the machining process, at least has following shortcoming in the process of using the existing workpiece machining clamp: 1, the existing workpiece machining clamp is not easy to carry out clamping limiting process to special-shaped workpiece, 2, the existing workpiece machining clamp is not easy to carry out clamping limiting to special-shaped workpiece of different height and different size, therefore, we launch a new special-shaped workpiece machining clamp. SUMMARY

[0003] The utility model discloses a special-shaped workpiece machining clamp can effectively solve the problem in the background art.

[0004] To achieve the above object, the utility model takes the technical scheme that:

[0005] A special-shaped workpiece machining clamp, including fixed plate, the upper end front of fixed plate, the upper end rear, the upper end left and the upper end right are all fixedly connected with support plate, and the outer surface of four support plates is all connected with a limit screw rod, the upper end of four support rods is all fixedly connected with the limiting block, and the outer surface of four support rods is all connected with the support frame, and the outer surface of four support frames is all connected with the clamping device, and the upper end middle part of fixed plate is fixedly connected with support pad;

[0006] The clamping device includes a rotating ring, the outer surface right of the rotating ring is fixedly connected with a support rod, the outer surface left of the rotating ring is connected with a limit top wire, the right end of the support rod is connected with a limiting assembly, and the rotating ring is connected with the support rod.

[0007] Preferably, the support rod includes a rod body, the right end of the rod body is connected with a rotating screw rod, the outer surface of the rotating screw rod is fixedly connected with a fixed ring, the outer surface of the fixed ring is fixedly connected with a rocker, the outer surface of the rod body is connected with a second limit top wire, and the rod body is fixedly connected with the rotating ring.

[0008] Preferably, the limiting assembly includes a connecting ring, the left end of the connecting ring is fixedly connected with a second rotating ring, the outer surface of the connecting ring is connected with a sliding plate, the upper end of the sliding plate is fixedly connected with a horizontal plate, the right end of the horizontal plate is fixedly connected with a round block, the upper end of the round block is connected with a second limit screw rod, and the second rotating ring is connected with the support rod.

[0009] Preferably, the second limiting jackscrew is in contact with the rotating screw through the rod.

[0010] Preferably, the four first limiting jackscrews are respectively connected with the four supporting rods through the four first rotating rings.

[0011] Preferably, the four clamping devices are not in contact with the four supporting plates.

[0012] Compared with the prior art, the utility model has the advantages of:

[0013] 1. By setting up four supporting rods and four supporting plates, a first limiting screw is arranged on each of the four supporting plates, the four first limiting screws are in contact with the special-shaped workpiece placed on the supporting pad through rotating the four first limiting screws, the use angle of the four clamping devices can be adjusted by rotating the positions of the four clamping devices on the four supporting rods, the four clamping devices can be clamped and fixed to the special-shaped workpiece, and the flexibility is improved.

[0014] 2. The use height of the four clamping devices can be adjusted by sliding the four supporting frames on the four supporting rods and fixing them through screws, the use height of the four round blocks can be adjusted by sliding the four sliding plates on the four connecting rings and fixing them through bolts, the four second limiting jackscrews can be clamped and limited to the special-shaped workpieces of different heights, the use length of the four supporting rods can be adjusted by rotating the four fixed rings and the rotating screws on the four fixed rings through the four second limiting jackscrews, and the special-shaped workpieces of different sizes can be clamped and fixed, so that the flexibility is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the special-shaped workpiece machining clamp.

[0016] Figure 2 It is a whole structure schematic view of the clamping device of the special-shaped workpiece machining clamp.

[0017] Figure 3 It is a whole structure schematic view of the supporting rod of the special-shaped workpiece machining clamp.

[0018] Figure 4 It is a whole structure schematic view of the limiting assembly of the special-shaped workpiece machining clamp.

[0019] In the figure: 1, fixed plate; 2, support plate; 3, No. 1 limit screw; 4, support rod; 5, support frame; 6, clamping device; 7, limit block; 8, support pad; 61, No. 1 rotating ring; 62, support rod; 63, limit assembly; 64, No. 1 limit jackscrew; 621, rod body; 622, rotating screw; 623, fixed ring; 624, rocker; 625, No. 2 limit jackscrew; 631, connecting ring; 632, No. 2 rotating ring; 633, sliding plate; 634, cross plate; 635, round block; 636, No. 2 limit screw. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0021] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end" and "the other end" is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0022] In the description of the utility model, it should be pointed out that unless otherwise specified and limited, the terms "mounting", "provided with", "connection" and the like should be understood broadly, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0023] Please refer to Figures 1-4 The utility model provides a technical scheme:

[0024] A special-shaped workpiece machining clamp, including fixed plate 1, the upper end front part, the upper end rear part, the upper end left part and the upper end right part of fixed plate 1 are all fixedly connected with support plate 2, one limit screw 3 is connected in the outer surface of the four support plates 2, support rod 4 is fixedly connected with the upper end of the four support rods 4, limit block 7 is fixedly connected with the upper end of the four support rods 4, support frame 5 is sleeved with the outer surface of the four support rods 4, clamping device 6 is sleeved with the outer surface of the four support frames 5, support pad 8 is fixedly connected with the upper end middle part of fixed plate 1;

[0025] In the embodiment, the clamping device 6 comprises a first rotating ring 61, the outer surface of the right part of the first rotating ring 61 is fixedly connected with a support rod 62, the outer surface of the left part of the first rotating ring 61 is penetratingly connected with a first limiting top wire 64, the right end of the support rod 62 is sleeved with a limiting assembly 63, and the first rotating ring 61 is sleeved with the support rod 4; the support rod 62 comprises a rod body 621, the right end of the rod body 621 is penetratingly and threadedly connected with a rotating screw 622, the outer surface of the rotating screw 622 is fixedly sleeved with a fixed ring 623, the outer surface of the upper part of the fixed ring 623 is fixedly connected with a rocker 624, the outer surface of the upper right part of the rod body 621 is penetratingly connected with a second limiting top wire 625, and the rod body 621 is fixedly connected with the first rotating ring 61; the second limiting top wire 625 penetrates through the rod body 621 and is in contact with the rotating screw 622; the four first limiting top wires 64 are respectively penetratingly connected with the four support rods 4 through the four first rotating rings 61; and the four clamping devices 6 are not in contact with the four support plates 2.

[0026] Through the above scheme, the use angle of the clamping device 6 can be adjusted and fixed by rotating the position of the first rotating ring 61 on the support rod 4 and by the first limiting top wire 64 penetrating through the first rotating ring 61 and being in contact with the support rod 4, the connecting length between the rod body 621 and the rotating screw 622 can be adjusted by rotating the rocker 624 to drive the rotating screw 622 to rotate, the position of the rotating screw 622 can be limited by the second limiting top wire 625 penetrating through the rod body 621 and being in contact with the rotating screw 622, and thus the use position of the limiting assembly 63 can be adjusted and limited, and the flexibility is improved.

[0027] In the embodiment, the limiting assembly 63 comprises a connecting ring 631, the left end of the connecting ring 631 is fixedly connected with a second rotating ring 632, the outer surface of the upper part of the connecting ring 631 is penetratingly connected with a sliding plate 633, the upper end of the sliding plate 633 is fixedly connected with a horizontal plate 634, the right end of the horizontal plate 634 is fixedly connected with a circular block 635, the upper end of the circular block 635 is penetratingly connected with a second limiting screw 636, and the second rotating ring 632 is sleeved with the support rod 62.

[0028] Through the above scheme, the angle of the connecting ring 631 can be turned over by rotating the position of the second rotating ring 632 on the rotating screw 622 and limiting and fixing by the top wire, the height of the horizontal plate 634 can be adjusted and fixed by sliding the position of the sliding plate 633 on the connecting ring 631 and penetratingly connecting the connecting ring 631 and the sliding plate 633 by the screw, the second limiting screw 636 is in contact with the special-shaped workpiece by rotating the second limiting screw 636, so that the special-shaped workpiece is limited and fixed, and the stability is improved.

[0029] It should be noted that the utility model is a kind of special-shaped workpiece machining fixture, in the use process, after placing special-shaped workpiece on support pad 8, the angle of four clamping devices 6 needs to be adjusted to adapt to the shape of workpiece, rotate four No. 1 rotating ring 61 can change the angle of clamping device 6, when angle is adjusted to the appropriate position, tighten four No. 1 limit jack screw 64, make it pass through four No. 1 rotating ring 61 and be in close contact with four support rods 4, to realize the positioning of the use angle of clamping device 6, this adjustable angle design makes that fixture can be flexibly adjusted according to the different shape characteristics of special-shaped workpiece, improves the adaptability of fixture to different shape workpieces, rotate four rotating rocker 624 can drive four rotating screw 622 to rotate, since there is thread cooperation between four rod bodies 621 and four rotating screw 622, the rotation of four rotating screw 622 can make four rod bodies 621 respectively along four rotating screw 622 do linear motion, to change the connecting length between four rod bodies 621 and four rotating screw 622, by this mode, the distance between limit assembly 63 and workpiece can be adjusted according to the size of special-shaped workpiece, when connecting length is adjusted to the appropriate position, tighten No. 2 limit jack screw 625, make it pass through rod body 621 and be in contact with rotating screw 622, the friction between No. 2 limit jack screw 625 and rotating screw 622 can prevent rotating screw 622 from continuing to rotate or move, to position the position of rotating screw 622, also realize the adjustment and limit of the use position of limit assembly 63, No. 2 rotating ring 632 is sleeved on rotating screw 622, rotate No. 2 rotating ring 632 can change the angle of connecting ring 631, when No. 2 rotating ring 632 is rotated to the appropriate position, use jack to fix it on rotating screw 622, to realize the overturning and fixing of the angle of connecting ring 631, so that four No. 2 limit screw 636 can be located above special-shaped workpiece, rotate No. 2 limit screw 636, make its end gradually close to and be in contact with special-shaped workpiece, with the continuous rotation of No. 2 limit screw 636, it can generate a pressure to special-shaped workpiece, to realize the limit fixing of special-shaped workpiece, multiple No. 2 limit screw 636 limit workpiece from different directions, can effectively improve the stability of workpiece in the machining process, support frame 5 can slide on support rod 4, by sliding support frame 5 to the appropriate height position, then using screw to fix it on support rod 4, can adjust the use height of clamping device 6, so as to adapt to different height special-shaped workpiece, ensure that clamping device 6 can accurately clamp workpiece, sliding plate 633 can slide on connecting ring 631, by sliding sliding plate 633 to the appropriate height position, then using bolt to fix it on connecting ring 631, can adjust the use height of round block 635, since No. 2 limit screw 636 is installed on round block 635, thus also realized the height adjustment of No. 2 limit screw 636, facilitate its clamping and limiting to different height special-shaped workpiece.

[0030] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A special-shaped workpiece machining fixture comprising a fixing plate (1), characterized in that: The upper end front, upper end rear, upper end left and upper end right of the fixed plate (1) are fixedly connected with support plates (2), the outer surfaces of the four support plates (2) are connected with a limiting screw (3), the upper ends of the four support plates (4) are fixedly connected with limiting blocks (7), the outer surfaces of the four support plates (4) are sleeved with support frames (5), the outer surfaces of the four support frames (5) are sleeved with clamping devices (6), and the upper end of the fixed plate (1) is fixedly connected with a support pad (8). The clamping device (6) comprises a rotating ring (61), the outer surface of the rotating ring (61) is fixedly connected with a support rod (62), the outer surface of the rotating ring (61) is connected with a limiting top screw (64), the right end of the support rod (62) is sleeved with a limiting assembly (63), and the rotating ring (61) is sleeved with the support rod (4).

2. The profiled workpiece machining fixture according to claim 1, characterized in that: The support rod (62) comprises a rod body (621), the right end of the rod body (621) is connected with a rotating screw (622), the outer surface of the rotating screw (622) is fixedly sleeved with a fixed ring (623), the outer surface of the fixed ring (623) is fixedly connected with a rocker (624), the outer surface of the rod body (621) is connected with a limiting top screw (625), and the rod body (621) is fixedly connected with the rotating ring (61).

3. The profiled workpiece machining fixture according to claim 1, characterized in that: The limiting assembly (63) comprises a connecting ring (631), the left end of the connecting ring (631) is fixedly connected with a rotating ring (632), the outer surface of the connecting ring (631) is connected with a sliding plate (633), the upper end of the sliding plate (633) is fixedly connected with a horizontal plate (634), the right end of the horizontal plate (634) is fixedly connected with a circular block (635), the upper end of the circular block (635) is connected with a limiting screw (636), and the rotating ring (632) is sleeved with the support rod (62).

4. The profiled workpiece machining fixture of claim 2, wherein: The limiting top screw (625) passes through the rod body (621) and is in contact with the rotating screw (622).

5. The profiled workpiece machining fixture according to claim 1, characterized in that: The four limiting top screws (64) pass through the four rotating rings (61) and are connected with the four support rods (4).

6. The profiled workpiece machining fixture of claim 1, wherein: The four clamping devices (6) are not in contact with the four support plates (2).