Fixture for wire cutting processing of motor stator

By designing a fixture for wire EDM of motor stators, the problem of dents caused by stacked sheet metal was solved, enabling efficient cutting and high-quality production of sheet metal.

CN223819778UActive Publication Date: 2026-01-23JINGZHOU ZHIXIANG MOULD MFG CO LTD
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Patent Information

Application Number
CN202422895980.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-26
Publication Date
2026-01-23
Estimated Expiration
2034-11-26

AI Technical Summary

Technical Problem

In the production process of motor stators, the stacking and wire cutting of multiple sheets can cause unevenness in the middle, resulting in the sheets not meeting the processing standards and being scrapped.

Method used

A fixture for wire cutting of motor stators is designed, including a lower clamping plate and an upper clamping plate. The clamping plates are provided with threaded screws and screw holes. The clamping plates are fixed together by screws. The fixture is provided with a bearing plate and a connecting block to fix the material sheet and prevent the material sheet from being uneven when stacked. It is used in conjunction with wire cutting equipment for cutting.

Benefits of technology

This technology effectively fixes and cuts the sheet material, improves processing efficiency, ensures the cutting quality of the sheet material, avoids unevenness, and enhances production efficiency and product quality.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a motor stator wire cutting processing clamp which comprises a lower clamping plate, an upper clamping plate is arranged above the lower clamping plate, a screw rod in threaded connection penetrates through the upper clamping plate, and a screw hole matched with the screw rod is formed in the lower clamping plate; a round hole is formed in the lower clamping plate, a penetrating hole corresponding to the round hole is formed in the upper clamping plate, a bearing disc is placed in the round hole, a set of connecting blocks distributed in an annular array mode are fixed to the bearing disc, a set of grooves are formed in the lower clamping plate, and the grooves are matched with the connecting blocks. Notches are formed in one surfaces of the lower clamping plate and the upper clamping plate; and the notches in the lower clamping plate and the upper clamping plate are respectively communicated with the round hole in the lower clamping plate and the through hole in the upper clamping plate. According to the material sheet cutting device, a plurality of material sheets which are stacked together can be effectively fixed and uniformly cut, so that the processing efficiency of the material sheets is improved, the condition that the material sheets are sunken and uneven is avoided, and the quality of the cut material sheets is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamp, especially relates to a motor stator wire cutting processing clamp. BACKGROUND

[0002] The stator is the stationary part of the motor or generator, and is composed of a stator core, a stator winding and a base; the outer circle of the stator is 361MM, the thickness of a single piece is 0.3MM, the total height of the stator is 400MM, the burr of a single piece should not exceed 0.02MM during production, slow wire cutting is required, and 1330 pieces of stators are required; the piece is arranged in a rectangular shape, multiple pieces are stacked for wire cutting to improve efficiency, and the middle is concave and uneven due to the thin material, so that the piece does not meet the standard after processing and is scrapped. SUMMARY

[0003] The utility model discloses a motor stator wire cutting processing clamp, solves the problem that multiple pieces are stacked for wire cutting, the multiple pieces are stacked to cause the middle to be concave and uneven, and the piece does not meet the standard after processing and is scrapped.

[0004] To solve the above technical problems, the utility model adopts the following technical scheme:

[0005] A motor stator wire cutting processing clamp, including lower clamping plate, the upper side of lower clamping plate is equipped with upper clamping plate, the upper clamping plate is penetrated and is equipped with the threaded connection screw rod, and the threaded hole that is matched with screw rod is seted up on the lower clamping plate;The circular hole is seted up on the lower clamping plate, the perforation that is corresponding with circular hole is seted up on the upper clamping plate, and the bearing disc is placed in the circular hole;The bearing disc is fixed with a group of annular array distribution's connecting block, and a group of recesses are seted up on the lower clamping plate, and the recess is matched with connecting block;The one side of lower clamping plate and upper clamping plate is all seted up with the notches, and the notches on the lower clamping plate and upper clamping plate are communicated with the circular hole on the lower clamping plate and the perforation on the upper clamping plate respectively.

[0006] Compared with the prior art, the utility model has the following beneficial effects:

[0007] The connecting block is located in the groove after the bearing disc is placed in the circular hole of the lower clamping plate, and then a plurality of material pieces are stacked together and placed on the lower clamping plate, so that the bearing disc cooperates with the lower clamping plate to complete the placement of the material pieces, avoiding the concave and uneven condition of the stacked material pieces; then the upper clamping plate is placed on the top of the material pieces, and then the upper clamping plate and the lower clamping plate are fixed together by using the screw rod, and the upper clamping plate can press and fix the material pieces; after the fixation of the material pieces is completed, the lower clamping plate is placed on the external wire cutting equipment, and then the material pieces can be cut, the electrode wire of the external wire cutting equipment cuts from the center of the material piece first, a circular hole is cut in the center of the material piece, then a plurality of small openings are cut on the inner wall of the material piece, the electrode wire of the external wire cutting equipment is moved out of the circular hole cut in the center of the material piece and enters the notch of the upper clamping plate and the lower clamping plate, and the material piece can be cut into a circle, and the connecting block and the bearing disc are also cut and separated in the cutting process; then the staff transfers the cut material pieces, when the subsequent material pieces need to be cut, the connecting block in the groove of the lower clamping plate is taken out, and then a new bearing disc is placed in the circular hole of the lower clamping plate, so that the connecting block is located in the groove of the lower clamping plate to complete the placement of the new bearing disc; the utility model can effectively fix a plurality of stacked material pieces, cut the material pieces uniformly, improve the processing efficiency of the material pieces, and avoid the concave and uneven condition of the material pieces, and ensure the quality of the cut material pieces. BRIEF DESCRIPTION OF DRAWINGS

[0008] Figure 1 It is a structure schematic view of the utility model from the front view;

[0009] Figure 2 It is a structure schematic view of the utility model from the lower clamping plate;

[0010] Figure 3 It is a structure schematic view of the material piece wire cutting.

[0011] In the drawing: 1, lower clamping plate; 2, upper clamping plate; 21, screw rod; 3, screw hole; 4, bearing disc; 5, connecting block; 6, bolt; 7, fixed plate; 71, threaded column; 8, positioning plate; 81, limiting rod; 9, notch. DETAILED DESCRIPTION

[0012] The specific content of the utility model will be described in detail below in combination with the drawings and examples.

[0013] As Figure 1 And Figure 2The utility model provides a kind of motor stator wire cutting processing clamp, including lower clamping plate 1, the upper of lower clamping plate 1 is equipped with upper clamping plate 2, screw rod 21 is penetrated in upper clamping plate 2, screw hole 3 that is compatible with screw rod 21 is set up on lower clamping plate 1;Round hole is set up on lower clamping plate 1, and the perforation corresponding with round hole is set up on upper clamping plate 2, bearing disc 4 is placed in round hole, a group of annular array distribution's connecting block 5 is fixed on bearing disc 4, a group of recesses are set up on lower clamping plate 1, and recess is compatible with connecting block 5;The one side of lower clamping plate 1 and upper clamping plate 2 is equipped with notch 9, and the notch 9 on lower clamping plate 1 and upper clamping plate 2 is communicated with the round hole on lower clamping plate 1 and the perforation on upper clamping plate 2 respectively.

[0014] As Figure 1 and Figure 2 shown, the lower clamping plate 1 is threadedly connected with bolt 6, and the side of the connecting block 5 away from the bearing disc 4 is provided with a threaded hole matched with the bolt 6. The number of the bolt 6 is two, and the number of the connecting block 5 is at least four. When the bearing disc 4 is placed in the round hole on the lower clamping plate 1 and the connecting block 5 is located in the recess on the lower clamping plate 1, two bolts 6 can be used to fix two connecting blocks 5, so that the bearing disc 4 can be fixed in the round hole on the lower clamping plate 1. When the bearing disc 4 is cut and separated from the connecting block 5, the bolt 6 can be separated from the connecting block 5 for repeated use without replacement. In addition, the top surfaces of the bearing disc 4 and the connecting block 5 are flush with the top surface of the lower clamping plate 1.

[0015] As Figure 1 and Figure 2 shown, the top of the lower clamping plate 1 is fixed with a fixed plate 7, and a threaded column 71 is penetrated in the fixed plate 7. The end of the threaded column 71 close to the bearing disc 4 is rotatably connected with a positioning plate 8, and the bottom of the positioning plate 8 is in contact with the top of the lower clamping plate 1 and the top of the upper clamping plate 2 respectively. The number of the fixed plate 7 is two (as shown in Figure 2 ), the position of the positioning plate 8 can be adjusted by rotating the two threaded columns 71 first, and then the material sheet is placed on the lower clamping plate 1, so that the left side and the back of the material sheet are in contact with the positioning plate 8 respectively, the positioning of the material sheet is completed, and the material sheet is stacked neatly.

[0016] As Figure 2 shown, the side of the positioning plate 8 away from the bearing disc 4 is fixed with a limiting rod 81 penetrating the fixed plate 7. The limiting rod 81 can assist the positioning plate 8 to move, so that the positioning plate 8 moves more stably.

[0017] In use, first, the bearing disc 4 is placed in the circular hole of the lower clamping plate 1, then the connecting block 5 is placed in the groove, and then a plurality of pieces of material are stacked together and placed on the lower clamping plate 1, so that the bearing disc 4 cooperates with the lower clamping plate 1 to complete the placement of the pieces of material, thereby avoiding the concave and uneven condition of the stacked pieces of material; then the upper clamping plate 2 is placed on the top of the pieces of material, and then the upper clamping plate 2 and the lower clamping plate 1 are fixed together by using the screw rod 21, and the number of the screw rod 21 is at least four, so that the upper clamping plate 2 can better press and fix the pieces of material; after the fixation of the pieces of material is completed, the lower clamping plate 1 is placed on the external wire cutting equipment, and then the pieces of material can be cut, the electrode wire of the external wire cutting equipment first cuts from the center of the pieces of material, cuts a circular hole in the center of the pieces of material, and then cuts a plurality of small holes (such as Figure 3 the electrode wire of the external wire cutting equipment is moved out of the circular hole cut in the center of the pieces of material and enters the notch 9 of the upper clamping plate 2 and the lower clamping plate 1, and the pieces of material are cut into a circular shape, and the connecting block 5 and the bearing disc 4 are also cut and separated in the cutting process; when other pieces of material need to be cut in the subsequent process, only a new bearing disc 4 needs to be replaced, and then the bearing disc 4 is fixed in the circular hole of the lower clamping plate 1 according to the above operation, so that the connecting block 5 fixed on the bearing disc 4 is located in the groove of the lower clamping plate 1, and the lower clamping plate 1 and the upper clamping plate 2 do not need to be replaced.

[0018] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the technical solutions of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A fixture for wire cutting of motor stators, comprising a lower clamping plate (1), characterized in that: An upper clamping plate (2) is provided above the lower clamping plate (1). A threaded screw (21) is threaded through the upper clamping plate (2). A screw hole (3) adapted to the screw (21) is provided on the lower clamping plate (1). A round hole is provided on the lower clamping plate (1). A through hole corresponding to the round hole is provided on the upper clamping plate (2). A bearing plate (4) is placed in the round hole. A set of connecting blocks (5) arranged in a ring array is fixed on the bearing plate (4). A set of grooves is provided on the lower clamping plate (1). The grooves are adapted to the connecting blocks (5). A notch (9) is provided on one side of both the lower clamping plate (1) and the upper clamping plate (2). The notch (9) on the lower clamping plate (1) and the upper clamping plate (2) are respectively connected to the round hole on the lower clamping plate (1) and the through hole on the upper clamping plate (2).

2. The fixture for wire cutting of motor stator according to claim 1, characterized in that: The lower clamping plate (1) is threaded with bolts (6), and the connecting block (5) has a threaded hole that matches the bolts (6) on the side away from the bearing plate (4).

3. The fixture for wire cutting of motor stator according to claim 1, characterized in that: The top of the lower clamping plate (1) is fixed with a fixing plate (7), and a threaded post (71) with a threaded connection is passed through the fixing plate (7). The end of the threaded post (71) near the bearing plate (4) is rotatably connected to a positioning plate (8). The bottom and bottom of the positioning plate (8) are in contact with the top of the lower clamping plate (1) and the top of the upper clamping plate (2), respectively.

4. A fixture for wire cutting of motor stator according to claim 3, characterized in that: The positioning plate (8) has a limiting rod (81) that penetrates the fixing plate (7) fixed on the side away from the bearing plate (4).