Part machining clamp with overturning structure

By using an electric push rod to drive a rack and pinion gear, the problem of accurately controlling the workpiece flipping angle in existing fixtures is solved, and precise workpiece flipping and angle control are achieved.

CN224255177UActive Publication Date: 2026-05-19YANGZHOU ZHENGDE MASCH MFG CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YANGZHOU ZHENGDE MASCH MFG CO LTD
Filing Date
2025-06-26
Publication Date
2026-05-19

AI Technical Summary

Technical Problem

When the existing part processing fixture with a flipping structure rotates the clamping plate by a motor, it is difficult to accurately control the flipping angle of the workpiece, mainly because the workpiece will still rotate due to inertia after the motor stops, causing errors.

Method used

An electric push rod drives the rack and pinion mechanism, which in turn rotates the clamping assembly via the meshing gears, enabling precise workpiece flipping and avoiding errors caused by inertia.

Benefits of technology

It achieves precise workpiece flipping, reduces errors caused by inertial rotation, and improves the control accuracy of the flipping angle.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224255177U_ABST
    Figure CN224255177U_ABST
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Abstract

The utility model discloses a part machining fixture with a turnover structure, which comprises a bottom support plate, two support vertical plates are welded at the top of the bottom support plate, clamping components are rotatably connected onto the two support vertical plates, a driving mechanism is mounted on one support vertical plate, and a turnover mechanism is mounted on the other support vertical plate. One of the clamping assemblies can be driven to rotate through a driving mechanism, each clamping assembly comprises a supporting shaft rotationally connected with the corresponding supporting vertical plate through a bearing, a U-shaped supporting frame is welded to the end, away from the corresponding supporting vertical plate, of each supporting shaft, and a supporting disc is welded to the tail end of each U-shaped supporting frame. The electric push rod is arranged to drive the rack to move, the rack is used for driving the meshed gear to rotate, then the two clamping assemblies are driven to drive the workpiece to synchronously run together, the stretching amount of the electric push rod is easy to control, large errors caused by inertia cannot occur, and therefore accurate overturning of the workpiece can be achieved.
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Description

Technical Field

[0001] This utility model relates to the field of fixture technology, specifically to a parts processing fixture with a flipping structure. Background Technology

[0002] A fixture is a device used in mechanical manufacturing to fix a workpiece in the correct position for operation or inspection; it is also called a clamp. In a broader sense, any device used to quickly, conveniently, and safely install a workpiece at any stage of the manufacturing process can be called a fixture.

[0003] Existing workpiece flipping fixtures mainly use a motor to drive the clamping plate to rotate, thereby causing the workpiece clamped by the clamping plate to rotate. However, this type of motor-driven fixture will continue to rotate due to inertia after the motor stops, making it difficult to precisely control the workpiece flipping angle. Utility Model Content

[0004] In view of the problems existing in the part processing fixtures with flipping structures, this utility model is proposed.

[0005] Therefore, the purpose of this utility model is to provide a part processing fixture with a flipping structure, which solves the problem that existing fixtures with flipping workpieces mainly use a motor to drive the clamping plate to rotate, thereby causing the workpiece clamped by the clamping plate to rotate. However, in such motor-driven fixtures, the workpiece will continue to rotate under inertia after the motor stops, making it difficult to accurately control the flipping angle of the workpiece.

[0006] To solve the above-mentioned technical problems, according to one aspect of the present invention, the present invention provides the following technical solution:

[0007] A parts processing fixture with a flipping structure includes a bottom support plate, on the top of which are welded two support plates. Each of the two support plates is rotatably connected to a clamping assembly. One of the support plates is equipped with a drive mechanism that can drive one of the clamping assemblies to rotate.

[0008] As a preferred embodiment of the part processing fixture with a flipping structure described in this utility model, the clamping assembly includes a support shaft that is rotatably connected to the support plate via a bearing. A U-shaped support frame is welded to one end of the support shaft away from the support plate. A support plate is welded to the end of the U-shaped support frame. A push rod is installed on the support plate, and a clamping plate is installed at the end of the push rod.

[0009] As a preferred embodiment of the part processing fixture with a flipping structure described in this utility model, the push rod is configured as a threaded rod, the support plate has an internal threaded hole, the support plate and the threaded rod are threadedly connected, and the clamping plate is welded to the end of the threaded rod.

[0010] As a preferred embodiment of the part processing fixture with a flipping structure described in this utility model, the driving mechanism includes a support plate welded to a support plate, a support block welded to the support plate, a first electric push rod mounted on the support block, a rack mounted at the end of the first electric push rod, the rack meshing with a gear, and the gear fixedly mounted on a support shaft.

[0011] As a preferred embodiment of the part processing fixture with flipping structure described in this utility model, wherein: a first support connecting seat is welded on the support block, a first electric push rod is inserted into the inner wall of the first support connecting seat, and the first electric push rod and the first support connecting seat are fixed by bolts;

[0012] The rack is welded to a second support connector, and a first electric push rod is inserted into the inner wall of the second support connector. The second support connector and the first electric push rod are fixed together by bolts.

[0013] As a preferred embodiment of the part processing fixture with flipping structure described in this utility model, the push rod is configured as a second electric push rod, one end of the second electric push rod is connected to the U-shaped support frame, the second electric push rod is equipped with the clamping plate, the support plate has a through hole, and the support plate and the second electric push rod are slidably connected.

[0014] As a preferred embodiment of the part processing fixture with flipping structure described in this utility model, wherein: a third support connecting seat is welded on the U-shaped support frame, a second electric push rod is inserted into the inner wall of the third support connecting seat, and the second electric push rod and the third support connecting seat are fixed by bolts;

[0015] A fourth support connector is welded onto the clamp plate. A second electric push rod is inserted into the inner wall of the fourth support connector, and the second electric push rod and the fourth support connector are fixed together by bolts.

[0016] Compared with existing technologies:

[0017] By setting an electric push rod to drive the rack, the rack drives the meshing gear to rotate, which in turn drives the two clamping components to move the workpiece synchronously. The extension and retraction of the electric push rod is easy to control and will not cause large errors due to inertia, thus enabling precise flipping of the workpiece. Attached Figure Description

[0018] Figure 1 This is a structural schematic diagram of Embodiment 1 of the present utility model;

[0019] Figure 2 Provided for Embodiment 1 of this utility model Figure 1 Side view;

[0020] Figure 3 This is a structural schematic diagram of Embodiment 2 of the present invention;

[0021] Figure 4 Provided for Embodiment 2 of this utility model Figure 3 Enlarged view of point A in the middle.

[0022] In the diagram: 1. Bottom support plate; 2. Support plate; 4. Support shaft; 5. U-shaped support frame; 6. Support plate; 7. Threaded rod; 8. Clamping plate; 9. Gear; 10. Support block; 11. Support plate; 12. First support connecting seat; 13. Second support connecting seat; 14. Third support connecting seat; 15. Second electric push rod; 16. Fourth support connecting seat; 17. First electric push rod; 18. Rack. Detailed Implementation

[0023] To make the objectives, technical solutions, and advantages of this utility model clearer, the embodiments of this utility model will be described in further detail below with reference to the accompanying drawings.

[0024] Example 1:

[0025] This utility model provides a parts machining fixture with a flipping structure. Please refer to [link / reference]. Figure 1-2 It includes a bottom support plate 1, and two support plates 2 are welded to the top of the bottom support plate 1. Clamping components are rotatably connected to both support plates 2. A drive mechanism is installed on one of the support plates 2, which can drive one of the clamping components to rotate.

[0026] The clamping assembly includes a support shaft 4 that is rotatably connected to the support plate 2 via a bearing. A U-shaped support frame 5 is welded to the end of the support shaft 4 away from the support plate 2. A support plate 6 is welded to the end of the U-shaped support frame 5. A push rod is installed on the support plate 6. A clamping plate 8 is installed at the end of the push rod.

[0027] The push rod is set as a threaded rod 7, and the support plate 6 has an internal threaded hole. The support plate 6 and the threaded rod 7 are threadedly connected, and the clamping plate 8 is welded to the end of the threaded rod 7.

[0028] The drive mechanism includes a support plate 11 welded to the support plate 2, a support block 10 welded to the support plate 11, a first electric push rod 17 mounted on the support block 10, specifically, a first support connecting seat 12 welded to the support block 10, the first electric push rod 17 inserted into the inner wall of the first support connecting seat 12, the first electric push rod 17 and the first support connecting seat 12 are fixed together by bolts, a rack 18 is mounted at the end of the first electric push rod 17, specifically, a second support connecting seat 13 is welded to the end of the rack 18, the first electric push rod 17 is inserted into the inner wall of the second support connecting seat 13, the second support connecting seat 13 and the first electric push rod 17 are fixed together by bolts, the rack 18 meshes with a gear 9, and the gear 9 is fixedly mounted on the support shaft 4.

[0029] In practical use, the workpiece is placed between the two clamping plates 8, and the threaded rod 7 is rotated to drive the clamping plates 8 to move, so that the two clamping plates 8 clamp the workpiece tightly; the extension and retraction of the first electric push rod 17 drives the rack 18 to move, thereby driving the gear 9 to rotate, and the gear 9 drives the support shaft 4 to rotate, so that the two clamping components and the workpiece operate synchronously.

[0030] Example 2:

[0031] See attached document Figure 3-4 Unlike Embodiment 1, the push rod is configured as a second electric push rod 15. One end of the second electric push rod 15 is connected to the U-shaped support frame 5. Specifically, a third support connecting seat 14 is welded on the U-shaped support frame 5. The second electric push rod 15 is inserted into the inner wall of the third support connecting seat 14. The second electric push rod 15 and the third support connecting seat 14 are fixed together by bolts. A clamping plate 8 is installed on the second electric push rod 15. Specifically, a fourth support connecting seat 16 is welded on the clamping plate 8. The second electric push rod 15 is inserted into the inner wall of the fourth support connecting seat 16. The second electric push rod 15 and the fourth support connecting seat 16 are fixed together by bolts. A through hole is opened on the support plate 6, and the support plate 6 is slidably connected to the second electric push rod 15.

[0032] In practical use, the workpiece is placed between the two clamping plates 8, and the second electric push rod 15 extends and retracts to drive the clamping plates 8 to move, so that the two clamping plates 8 clamp the workpiece tightly; the extension and retraction of the first electric push rod 17 drives the rack 18 to move, thereby driving the gear 9 to rotate, and the gear 9 drives the support shaft 4 to rotate, so that the two clamping components and the workpiece operate synchronously.

[0033] Although the present invention has been described above with reference to embodiments, various modifications can be made and components can be replaced with equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the features in the embodiments disclosed in this invention can be combined with each other in any way. The lack of an exhaustive description of these combinations in this specification is merely for the sake of brevity and resource conservation. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A parts processing fixture with a flipping structure, comprising a bottom support plate (1), wherein two support plates (2) are welded to the top of the bottom support plate (1), and clamping assemblies are rotatably connected to both support plates (2), characterized in that: One of the support plates (2) is equipped with a drive mechanism, which can drive one of the clamping components to rotate.

2. The part machining fixture with a flipping structure according to claim 1, characterized in that, The clamping assembly includes a support shaft (4) rotatably connected to the support plate (2) via a bearing. A U-shaped support frame (5) is welded to one end of the support shaft (4) away from the support plate (2). A support plate (6) is welded to the end of the U-shaped support frame (5). A push rod is mounted on the support plate (6). A clamping plate (8) is mounted at the end of the push rod.

3. The part machining fixture with a flipping structure according to claim 2, characterized in that, The push rod is configured as a threaded rod (7), and the support plate (6) has an internal threaded hole. The support plate (6) and the threaded rod (7) are threadedly connected, and the clamping plate (8) is welded to the end of the threaded rod (7).

4. The part machining fixture with a flipping structure according to claim 2, characterized in that, The drive mechanism includes a support plate (11) welded to the support plate (2), a support block (10) welded to the support plate (11), a first electric push rod (17) mounted on the support block (10), a rack (18) mounted at the end of the first electric push rod (17), the rack (18) meshing with a gear (9), and the gear (9) fixedly mounted on the support shaft (4).

5. The part machining fixture with a flipping structure according to claim 4, characterized in that, A first support connecting seat (12) is welded onto the support block (10). A first electric push rod (17) is inserted into the inner wall of the first support connecting seat (12). The first electric push rod (17) and the first support connecting seat (12) are fixed together by bolts. The rack (18) has a second support connector (13) welded to its end. The second support connector (13) has a first electric push rod (17) inserted into its inner wall. The second support connector (13) and the first electric push rod (17) are fixed together by bolts.

6. The part machining fixture with a flipping structure according to claim 2, characterized in that, The push rod is configured as a second electric push rod (15), one end of which is connected to the U-shaped support frame (5). The second electric push rod (15) is equipped with the clamping plate (8). The support plate (6) has a through hole and is slidably connected to the second electric push rod (15).

7. The part machining fixture with a flipping structure according to claim 6, characterized in that, A third support connecting seat (14) is welded on the U-shaped support frame (5). A second electric push rod (15) is inserted into the inner wall of the third support connecting seat (14). The second electric push rod (15) and the third support connecting seat (14) are fixed together by bolts. A fourth support connecting seat (16) is welded onto the clamp plate (8). A second electric push rod (15) is inserted into the inner wall of the fourth support connecting seat (16). The second electric push rod (15) and the fourth support connecting seat (16) are fixed together by bolts.