Bending equipment for stator core

Through the cooperation of arc-shaped clamps and U-shaped clamps driven by hydraulic cylinders, the automatic bending and efficient pick-up of the stator core are achieved, solving the problem of difficulty in pick-up after bending in existing equipment.

CN223156912UActive Publication Date: 2025-07-25FOSHAN SHUNDE DISTRICT ZHONGCHENGDA MOTOR MOLD CO LTD
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Patent Information

Application Number
CN202422296821.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-07-25
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The existing stator core bending equipment is difficult to efficiently pick up after bending, resulting in inconvenient operation.

Method used

The combination of arc-shaped moving clamps and arc-shaped positioning clamps is adopted, combined with U-shaped clamps driven by hydraulic cylinders and bidirectional motors, to achieve automatic bending and pick-up of the stator core.

Benefits of technology

It improves the convenience and pick-up efficiency of the stator core, solves the problem of difficult stator core after bending, and realizes efficient bending into circles and pick-up functions.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223156912U_ABST
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Abstract

The utility model discloses bending equipment for a stator core, which relates to the technical field of stator core bending and comprises a supporting plate, the supporting plate is fixedly connected with the lower ends of two sides of a positioning table respectively, a fixing block is fixedly connected with one side of the middle of the upper end of the positioning table, a cavity is inwards formed in one side of the fixing block, and an arc-shaped movable clamping block is arranged at the opening end of the cavity of the fixing block. Arc-shaped positioning clamping blocks are oppositely arranged at the horizontal positions of the arc-shaped movable clamping blocks; according to the utility model, the extrusion blocks between the arc-shaped movable clamping blocks and the arc-shaped positioning clamping blocks are matched with each other, so that the stator iron core can be bent conveniently, the bending convenience of the stator iron core is improved, and the function of bending the stator iron core into a circle is further realized; according to the stator core bending and taking device, the stator core which is bent into a circle can be taken conveniently, the efficiency of bending and taking the stator core is improved, then the function of taking the stator core after the stator core is bent into the circle is achieved, and finally the problem that the stator core is not easy to take after the stator core is bent is solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of bending of stator cores, and particularly relates to a bending device for stator cores. Background Art

[0002] In the earliest stage, the bending of stator cores was carried out manually, by simple mechanical tools and manual pressure. Although this method has a low cost, it has low efficiency and limited precision. With the industrialization process, simple mechanical bending devices gradually emerged. These devices usually adopt a lever or handwheel mechanism and can perform basic bending on the iron core, but the operation is cumbersome and not precise enough. In the mid-20th century, with the development of industrial automation, semi-automatic bending devices began to be popularized. These devices improve production efficiency and bending precision through electric drive and control systems, but still require a certain amount of manual operation. The bending device for stator cores consists of a raw material supply system, a bending device, a drive system, a safety system, etc.; and in the use process of an existing bending device for stator cores, when bending the stator core, it is easy to fix the stator core on the extrusion block due to bending, making it difficult to take the stator core; therefore, the above technical problems need to be solved. Content of the Utility Model

[0003] The purpose of the utility model is to solve the deficiencies existing in the prior art, and to propose a bending device for stator cores.

[0004] To achieve the above purpose, the utility model adopts the following technical scheme: a bending device for stator cores, including a support plate, the support plate is respectively fixedly connected to the lower ends on both sides of a positioning table, a fixed block is fixedly connected to the middle of one side of the upper end of the positioning table, a cavity is opened inward on one side of the fixed block, and an arc-shaped moving clamp block is installed at the opening end of the cavity of the fixed block. An arc-shaped positioning clamp block is horizontally oppositely arranged to the arc-shaped moving clamp block. The arc-shaped positioning clamp block is fixedly connected to the middle of one side of the positioning table, and grooves are respectively opened inward in the middle of the arc-shaped surfaces of the arc-shaped positioning clamp block and the arc-shaped moving clamp block.

[0005] Preferably, a moving groove is opened at the lower end between the arc-shaped positioning clamp block and the arc-shaped moving clamp block. The moving groove penetrates the positioning table, and an extrusion block is installed in the middle of the upper end of the moving groove. A clamping block is fixedly connected to the lower end of the extrusion block, and the clamping block clamps the extrusion block inside the moving groove opened on the positioning table.

[0006] Preferably, a second hydraulic cylinder is fixedly connected to one side of the clamping block through a thread. The second hydraulic cylinder is fixedly connected to one side of a connecting block, and the connecting block is fixedly connected to the support plate and the positioning table.

[0007] Preferably, a reverse L-shaped support rod is fixedly connected to one side of the upper end of the positioning table in the vertical direction. One end of the top of the reverse L-shaped support rod is fixedly connected to a first hydraulic cylinder. The telescopic rod at the lower end of the first hydraulic cylinder penetrates through the reverse L-shaped support rod, and the telescopic rod at the lower end of the first hydraulic cylinder is screwed and connected to a stator core clamping mechanism.

[0008] Preferably, the stator core clamping mechanism includes a U-shaped clamping box, a bidirectional motor and a U-shaped gripper. The lower end of the U-shaped clamping box is recessed inward, and a bidirectional motor is installed inside the U-shaped clamping box. The bolt rods on both sides of the bidirectional motor are clamped in the U-shaped clamping box, and U-shaped grippers are sleeved on the bolt rods on both sides of the bidirectional motor.

[0009] Preferably, an L-shaped positioning groove is opened downward on one side of the upper end of the positioning table. A positioning block is clamped inside the L-shaped positioning groove. A third hydraulic cylinder is installed inside the cavity of the fixed block at the upper end of the positioning table. One side connecting rod of the third hydraulic cylinder is clamped on the arc-shaped moving clamping block.

[0010] Compared with the prior art, the beneficial effects of the present utility model are as follows: In the present utility model, through the cooperation of the extrusion blocks between the arc-shaped moving clamping block and the arc-shaped positioning clamping block, it is convenient to bend the stator core, improving the convenience of bending the stator core, and then realizing the function of bending the stator core into a circle. Then, through the cooperation of the bidirectional motor and the U-shaped gripper, it is convenient to take the stator core bent into a circle, improving the efficiency of taking the bent stator core, and then realizing the function of taking the stator core after bending into a circle. Finally, the problem that it is not easy to take the stator core after bending is solved. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] The drawings described herein are used to provide a further understanding of the present utility model and constitute a part of this application. The schematic embodiments of the present utility model and their descriptions are used to explain the present utility model and do not constitute an improper limitation to the present utility model. In the drawings:

[0012] Figure 1 is a schematic overall three-dimensional structure diagram of the present utility model proposed;

[0013] Figure 2 is a schematic rear overall three-dimensional structure diagram of the present utility model proposed;

[0014] Figure 3 is a schematic rear other-side overall three-dimensional structure diagram of the present utility model proposed;

[0015] Figure 4 is a schematic bottom overall three-dimensional structure diagram of the present utility model proposed;

[0016] Figure 5 is a schematic top overall three-dimensional structure diagram of the present utility model proposed.

[0017] Reference numerals in the figure: 1, support plate; 2, positioning table; 3, fixing block; 4, arc-shaped moving clamping block; 5, arc-shaped positioning clamping block; 6, moving groove; 7, extrusion block; 8, U-shaped clamping claw; 9, U-shaped clamping box; 10, first hydraulic cylinder; 11, inverted L-shaped support rod; 12, positioning block; 13, bidirectional motor; 14, connecting block; 15, second hydraulic cylinder; 16, third hydraulic cylinder. Detailed implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments.

[0019] Embodiment: Refer to Figures 1-5 , a bending device for a stator core in the present invention includes a support plate 1, the support plate 1 is fixedly connected to the lower ends of both sides of a positioning table 2 respectively, a fixing block 3 is fixedly connected to the middle of one side of the upper end of the positioning table 2, a cavity is opened inward on one side of the fixing block 3, and an arc-shaped moving clamping block 4 is installed at the opening end of the cavity of the fixing block 3. An arc-shaped positioning clamping block 5 is installed opposite to the arc-shaped moving clamping block 4 in the horizontal position. The arc-shaped positioning clamping block 5 is fixedly connected to the middle of one side of the positioning table 2, and grooves are opened inward in the middle of the arc-shaped surfaces of both the arc-shaped positioning clamping block 5 and the arc-shaped moving clamping block 4. By means of the arc-shaped positioning clamping block 5 and the arc-shaped moving clamping block 4, it is convenient to bend the stator core into a circle; a moving groove 6 is opened at the lower end between the arc-shaped positioning clamping block 5 and the arc-shaped moving clamping block 4. The moving groove 6 penetrates the positioning table 2, and an extrusion block 7 is installed in the middle of the upper end of the moving groove 6. A clamping block is fixedly connected to the lower end of the extrusion block 7, and the clamping block clamps the extrusion block 7 inside the moving groove 6 opened on the positioning table 2. By means of the extrusion block 7 clamped in the moving groove 6, it is convenient for the stator core to form a circle around the outside of the extrusion block 7 after bending; a second hydraulic cylinder 15 is fixedly connected to one side of the clamping block by a thread. The second hydraulic cylinder 15 is fixedly connected to one side of a connecting block 14, and the connecting block 14 is fixedly connected to the support plate 1 and the positioning table 2. By connecting the clamping block and the second hydraulic cylinder 15 to each other by a thread, it is convenient for the extrusion block 7 to move reciprocally.

[0020] In the present utility model, on one side of the upper end of the positioning table 2, an inverted L-shaped support rod 11 is fixedly connected in the vertical direction. One end of the top of the inverted L-shaped support rod 11 is fixedly connected with a first hydraulic cylinder 10. The telescopic rod at the lower end of the first hydraulic cylinder 10 penetrates through the inverted L-shaped support rod 11, and the telescopic rod at the lower end of the first hydraulic cylinder 10 is screwed and connected with a stator core clamping mechanism. Through the inverted L-shaped support rod 11 and the first hydraulic cylinder 10, it is convenient for the clamping mechanism to perform lifting movement; the stator core clamping mechanism includes a U-shaped clamping box 9, a bidirectional motor 13 and a U-shaped clamping jaw 8. The lower end of the U-shaped clamping box 9 is recessed inward, and a bidirectional motor 13 is installed inside the U-shaped clamping box 9. The bolt rods on both sides of the bidirectional motor 13 are clamped in the U-shaped clamping box 9, and U-shaped clamping jaws 8 are sleeved on the bolt rods on both sides of the bidirectional motor 13. Through the U-shaped clamping jaws 8 on both sides of the bidirectional motor 13, it is convenient to clamp the bent stator core; on one side of the upper end of the positioning table 2, an L-shaped positioning groove is opened downward, and a positioning block 12 is clamped inside the L-shaped positioning groove. A third hydraulic cylinder 16 is installed inside the cavity of the fixed block 3 on the upper end of the positioning table 2. One side connecting rod of the third hydraulic cylinder 16 is clamped on the arc-shaped moving clamping block 4. Through the third hydraulic cylinder 16 inside the fixed block 3, it is convenient to bend the stator core into a circle.

[0021] Working principle: When the present utility model is in use, first, through the support plate 1 and the positioning table 2, it is convenient to operate the bending equipment. Then, the placement position of the stator core is determined through the positioning block 12. Then, through the third hydraulic cylinder 16 inside the fixed block 3, the arc-shaped moving clamping block 4 moves towards the arc-shaped positioning clamping block 5. Then, through the second hydraulic cylinder 15 on the connecting block 14, the extrusion block 7 on the moving groove 6 moves to one side, which is convenient to bend the stator core into a circle and wrap it outside the extrusion block 7. Then, through the U-shaped clamping jaws 8 on the arc-shaped moving clamping block 4 and the arc-shaped positioning clamping block 5, it is convenient to grab the bent stator core. Then, through the first hydraulic cylinder 10 on the inverted L-shaped support rod 11, it is convenient to make the stator core clamping mechanism perform lifting movement. Then, through the bidirectional motor 13 inside the U-shaped clamping box 9, it is convenient to clamp the bent and formed stator core.

[0022] The above is only a preferred specific embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any person skilled in the art within the technical scope disclosed by the present utility model, according to the technical solution of the present utility model and its inventive concept, makes equivalent substitutions or changes, and all should be covered within the protection scope of the present utility model.

Claims

1. A bending device for a stator core, comprising a support plate (1), characterized in that: The support plate (1) is fixedly connected to the lower ends of both sides of the positioning table (2). In the middle of one side of the upper end of the positioning table (2), a fixed block (3) is fixedly connected. A cavity is formed inside one side of the fixed block (3), and an arc-shaped moving clamping block (4) is installed at the opening end of the cavity of the fixed block (3). An arc-shaped positioning clamping block (5) is installed opposite to the arc-shaped moving clamping block (4) in the horizontal position. The arc-shaped positioning clamping block (5) is fixedly connected to the middle of one side of the positioning table (2), and grooves are formed inwardly in the middle of the arc-shaped surfaces of both the arc-shaped positioning clamping block (5) and the arc-shaped moving clamping block (4).

2. The bending device for a stator core according to claim 1, wherein: A moving groove (6) is formed at the lower end between the arc-shaped positioning clamping block (5) and the arc-shaped moving clamping block (4). The moving groove (6) penetrates through the positioning table (2), and a pressing block (7) is installed in the middle of the upper end of the moving groove (6). A clamping block is fixedly connected to the lower end of the pressing block (7), and the clamping block clamps the pressing block (7) inside the moving groove (6) formed on the positioning table (2).

3. The bending device for a stator core according to claim 2, wherein: One side of the clamping block is fixedly connected to a second hydraulic cylinder (15) through a thread. The second hydraulic cylinder (15) is fixedly connected to one side of a connecting block (14), and the connecting block (14) is fixedly connected to the support plate (1) and the positioning table (2).

4. A bending device for a stator core according to claim 3, characterized in that: On one side of the upper end of the positioning table (2), an L-shaped support rod (11) is fixedly connected in the vertical direction. One end of the top of the L-shaped support rod (11) is fixedly connected to a first hydraulic cylinder (10). The telescopic rod at the lower end of the first hydraulic cylinder (10) penetrates through the L-shaped support rod (11), and the telescopic rod at the lower end of the first hydraulic cylinder (10) is screwed to a stator core clamping mechanism.

5. A bending device for a stator core according to claim 4, characterized in that: The stator core clamping mechanism includes a U-shaped clamping box (9), a bidirectional motor (13), and a U-shaped gripper (8). The lower end of the U-shaped clamping box (9) is recessed inward, and a bidirectional motor (13) is installed inside the U-shaped clamping box (9). The bolt rods on both sides of the bidirectional motor (13) are clamped inside the U-shaped clamping box (9), and U-shaped grippers (8) are sleeved on the bolt rods on both sides of the bidirectional motor (13).

6. The bending device for a stator core according to claim 4, characterized in that: An L-shaped positioning groove is formed downward on one side of the upper end of the positioning table (2), and a positioning block (12) is clamped inside the L-shaped positioning groove.

7. A bending device for a stator core according to claim 2, characterized in that: A third hydraulic cylinder (16) is installed inside the cavity of the fixed block (3) at the upper end of the positioning table (2), and a connecting rod on one side of the third hydraulic cylinder (16) is clamped on the arc-shaped moving clamping block (4).