Silicon steel sheet attaching and welding device for stator iron core production
By designing a silicon steel sheet bonding and welding device that includes a workbench and welding components, and using a fixing rod to flatten the edges of the silicon steel sheets and weld them simultaneously, the problem of edge alignment when stacking silicon steel sheets is solved, thus improving the production accuracy and efficiency of stator cores.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGZHOU HONGHUI POWER TECH
- Filing Date
- 2025-04-27
- Publication Date
- 2026-05-05
AI Technical Summary
In the production of stator cores, it is difficult to ensure the edge alignment when stacking silicon steel sheets, resulting in uneven edges after welding, which affects the splicing quality of silicon steel blocks.
Design a silicon steel sheet bonding and welding device that includes a worktable and welding components. The device uses a fixed rod to level the edge of the silicon steel sheet and weld it simultaneously. The device uses a motor to drive a screw and a welding gun to achieve synchronous leveling and welding.
This improves the production precision and processing efficiency of silicon steel blocks, ensures the flatness of silicon steel sheet edges, and facilitates smooth welding.
Smart Images

Figure CN224196165U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of stator core technology, and in particular to a silicon steel sheet bonding and welding device for stator core production. Background Technology
[0002] Stator cores are generally composed of multiple stacked silicon steel sheets. The silicon steel sheets are formed into arc-shaped silicon steel sheets by a stamping machine. After the arc-shaped silicon steel sheets are stacked and welded, they become silicon steel blocks. A single silicon steel block is part of the stator core, and multiple silicon steel blocks can form a stator core.
[0003] During the stacking of silicon steel sheets, it is necessary to ensure that the edges are aligned before welding can be carried out. Before welding, a clamp is needed to clamp the stacked silicon steel sheets. The clamping puts pressure on the silicon steel blocks, and slight deformation may cause the edges of the silicon steel sheets to tilt as a whole or some edges to bulge. If the edges are not leveled in time, the uneven edges will make it impossible to complete the splicing of the silicon steel blocks after welding. Utility Model Content
[0004] The purpose of this application is to provide a silicon steel sheet bonding and welding device for stator core production, so as to solve the problems mentioned in the background art.
[0005] To achieve the above objectives, this application provides the following technical solution:
[0006] A silicon steel sheet bonding and welding device for stator core production includes a workbench and a welding assembly mounted above the workbench. The welding assembly includes a mounting block, a push plate, a pressure plate, and fixing rods. The mounting block is movably mounted on the workbench surface. A mounting groove is formed on the upper surface of the mounting block. A push plate is movably mounted at one end of the mounting block. A pressure plate is movably mounted above the mounting block. Two fixing rods are symmetrically fixed to the outer side of the mounting block away from the push plate, and a fixing plate is fixedly mounted on the outer wall of the mounting block away from the push plate. The two fixing rods are symmetrically arranged on both sides of the fixing plate. A welding torch is mounted on the side of each fixing rod away from the mounting block, and the welding torch is mounted on the workbench surface.
[0007] Preferably, a threaded tube is fixedly installed on the outer wall of one end of the mounting block, and a bolt is threaded into the threaded tube of the mounting block. The bolt is parallel to the top surface of the mounting block, and one end of the bolt is fixedly connected to the outer wall of the push plate via a bearing. The push plate is embedded in the mounting groove. A threaded tube is fixedly installed on the top outer wall of the fixing plate, and a bolt is threaded into the threaded tube of the fixing plate. The bolt is perpendicular to the top surface of the mounting block, and the pressure plate is located below the bolt, with the bottom end of the bolt connected to the top surface of the pressure plate via a bearing. A lifting groove is formed on the outer wall of the fixing plate, and a slider is fixedly installed on one end of the pressure plate, with the slider embedded in the lifting groove.
[0008] Preferably, a motor is fixedly installed on the workbench surface, and a screw is fixedly installed on the output end of the motor. One end of the screw is connected to the workbench surface through a bearing. Threaded holes are opened through the outer walls on both sides of the mounting block, and the mounting block is threadedly connected to the screw through the threaded holes. A guide strip is fixedly installed on the workbench surface, and the guide strip is arranged parallel to the screw. A through groove is opened at the bottom of the mounting block, and the guide strip passes through the through groove of the mounting block.
[0009] The beneficial effects of this utility model are: by setting up a welding assembly, the fixing rods on both sides of the fixing plate will flatten the edges of the stacked silicon steel sheets. At the same time as flattening, the welding gun will start synchronously to weld the silicon steel sheets. Welding and whole sheet assembly are carried out simultaneously, which improves the production accuracy and processing efficiency of silicon steel blocks. Attached Figure Description
[0010] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0011] Figure 2 This is a schematic diagram of the overall (another perspective) structure of this utility model;
[0012] Figure 3 This is a schematic diagram of the working state structure of the welding assembly in this utility model.
[0013] In the diagram: 1. Workbench; 2. Mounting block; 3. Motor; 4. Screw; 5. Guide bar; 6. Mounting groove; 7. Push plate; 8. Pressure plate; 9. Bolt 1; 10. Bolt 2; 11. Lifting groove; 12. Fixing plate; 13. Slider; 14. Fixing rod; 15. Welding torch. Detailed Implementation
[0014] The preferred embodiments of this utility model will now be described in detail with reference to the accompanying drawings, so that the advantages and features of this utility model can be more easily understood by those skilled in the art, thereby providing a clearer and more definite definition of the scope of protection of this utility model. The directional terms mentioned in this utility model, such as "up," "down," "front," "back," "left," "right," "top," and "bottom," are only for reference to the accompanying drawings. Therefore, the directional terms used are for the purpose of explaining and understanding this utility model, and not for limiting this utility model.
[0015] like Figure 1-3 The device shown is a silicon steel sheet bonding and welding apparatus for stator core production. It includes a workbench 1 and a welding assembly mounted above the workbench 1. The welding assembly includes a mounting block 2, a push plate 7, a pressure plate 8, and fixing rods 14. The mounting block 2 is movably mounted on the workbench 1. A mounting groove 6 is formed on the upper surface of the mounting block 2. The push plate 7 is movably mounted at one end of the mounting block 2. The pressure plate 8 is movably mounted above the mounting block 2. Two fixing rods 14 are symmetrically fixed to the outer side of the end of the mounting block 2 away from the push plate 7, and are fixedly mounted on the workbench 1. A fixing plate 12 is fixedly mounted to the outer wall of the end of the mounting block 2 away from the push plate 7, and the two fixing rods 14 are symmetrically arranged on both sides of the fixing plate 12. A welding torch 15 is mounted on the side of each fixing rod 14 away from the mounting block 2, and the welding torch 15 is mounted on the workbench 1.
[0016] A threaded tube is fixedly installed on the outer wall of one end of the mounting block 2. A bolt 9 is installed on the internal thread of the threaded tube of the mounting block 2. Bolt 9 is parallel to the top surface of the mounting block 2. One end of bolt 9 is fixedly connected to the outer wall of the push plate 7 through a bearing. The push plate 7 is embedded in the mounting groove 6. A threaded tube is fixedly installed on the top outer wall of the fixing plate 12. A bolt 10 is installed on the internal thread of the threaded tube of the fixing plate 12. Bolt 10 is perpendicular to the top surface of the mounting block 2. The pressure plate 8 is located below bolt 10, and the bottom end of bolt 10 is connected to the top surface of the pressure plate 8 through a bearing. A lifting groove 11 is opened on the outer wall of the fixing plate 12. A slider 13 is fixedly installed on one end of the pressure plate 8. The slider 13 is embedded in the lifting groove 11.
[0017] A motor 3 is fixedly installed on the table surface of the workbench 1. A screw 4 is fixedly installed on the output end of the motor 3. One end of the screw 4 is connected to the table surface of the workbench 1 through a bearing. Threaded holes are opened through the outer walls on both sides of the mounting block 2. The mounting block 2 is threadedly connected to the screw 4 through the threaded holes. A guide bar 5 is fixedly installed on the table surface of the workbench 1. The guide bar 5 is set parallel to the screw 4. A through groove is opened at the bottom of the mounting block 2. The guide bar 5 passes through the through groove of the mounting block 2.
[0018] Example: Stacked stator iron chips are placed inside the mounting slot 6. The operator rotates bolt 9 and bolt 10. Bolt 9 drives push plate 7 to push the iron chips, clamping them between the fixing plate 12 and push plate 7. Bolt 10 drives pressure plate 8 to descend. The slider 13 at one end of pressure plate 8 descends in lifting slot 11, clamping the iron chips between pressure plate 8 and mounting block 2, thus fixing the iron chips on mounting block 2. Then, motor 3 on worktable 1 starts, driving screw 4 to rotate. Screw 4 drives mounting block 2 to slide. 2. Guided by the guide bar 5, during the movement of the mounting block 2, the iron chip will pass between two fixed rods 14. The distance between the fixed rods 14 is fixed and corresponds to the width of the iron chip. Therefore, when the stacked iron chips pass between the two fixed rods 14, the protruding iron chips will be pushed back by the fixed rods 14. The fixed rods 14 help to flatten the edge of the iron chip. After the stacked iron chips pass the fixed rods 14, the welding gun 15 is activated and aimed at the edge of the iron chip. As the mounting block 2 moves, the edge of the iron chip continuously passes through the welding gun 15 and is welded.
[0019] It should be noted that the parts not covered in this utility model are the same as or can be implemented using existing technology; the various drives in this utility model can be implemented by corresponding power structures such as cylinders, oil cylinders, electric cylinders, and motors in conjunction with connecting rods, guide rods, etc., and are not limited to the structures described in the specification and the drawings.
Claims
1. A silicon steel sheet bonding and welding device for stator core production, comprising a workbench (1) and a welding assembly mounted above the workbench (1), characterized in that: The welding assembly includes a mounting block (2), a push plate (7), a pressure plate (8), and fixing rods (14). The mounting block (2) is movably mounted on the table surface of the workbench (1). The upper surface of the mounting block (2) is provided with a mounting groove (6). The push plate (7) is movably provided at one end of the mounting block (2). The pressure plate (8) is movably mounted above the mounting block (2). Two fixing rods (14) are provided on the outside of the end of the mounting block (2) away from the push plate (7). The two fixing rods (14) are symmetrically fixed on the table surface of the workbench (1). A fixing plate (12) is fixedly installed on the outer wall of the end of the mounting block (2) away from the push plate (7). The two fixing rods (14) are symmetrically arranged on both sides of the fixing plate (12).
2. The silicon steel sheet bonding and welding device for stator core production according to claim 1, characterized in that: A threaded tube is fixedly installed on the outer wall of one end of the mounting block (2). A bolt (9) is installed in the threaded tube of the mounting block (2). The bolt (9) is parallel to the top surface of the mounting block (2). One end of the bolt (9) is fixedly connected to the outer wall of the push plate (7) through a bearing. The push plate (7) is embedded in the mounting groove (6).
3. The silicon steel sheet bonding and welding device for stator core production according to claim 1, characterized in that: A threaded tube is fixedly installed on the top outer wall of the fixing plate (12). Bolt 2 (10) is installed in the threaded tube of the fixing plate (12). Bolt 2 (10) is set perpendicular to the top surface of the mounting block (2). The pressure plate (8) is set below bolt 2 (10) and the bottom end of bolt 2 (10) is connected to the top surface of pressure plate (8) through a bearing.
4. The silicon steel sheet bonding and welding device for stator core production according to claim 1, characterized in that: The outer wall of the fixed plate (12) is provided with a lifting groove (11), and a slider (13) is fixedly installed at one end of the pressure plate (8), and the slider (13) is embedded in the lifting groove (11).
5. The silicon steel sheet bonding and welding device for stator core production according to claim 1, characterized in that: A motor (3) is fixedly installed on the table surface of the workbench (1). A screw (4) is fixedly installed at the output end of the motor (3). One end of the screw (4) is connected to the table surface of the workbench (1) through a bearing. Threaded holes are opened through the outer walls on both sides of the mounting block (2). The mounting block (2) is threadedly connected to the screw (4) through the threaded holes. A guide strip (5) is fixedly installed on the table surface of the workbench (1). The guide strip (5) is arranged parallel to the screw (4). A through groove is opened at the bottom of the mounting block (2). The guide strip (5) passes through the through groove of the mounting block (2).
6. The silicon steel sheet bonding and welding device for stator core production according to claim 1, characterized in that: Welding guns (15) are provided on the side of each of the two fixing rods (14) away from the mounting block (2), and the welding guns (15) are mounted on the table surface of the workbench (1).