Stator cramp manufacturing device

Abstract

The utility model relates to the technical field of motor iron core manufacturing process equipment, in particular to a stator cramp manufacturing device. Comprising a strip steel unreeling device and a strip steel rolling unit, the strip steel rolling unit comprises a rack, a plurality of pairs of rolling rollers and a cutter assembly, wherein the rolling rollers are sequentially arranged on the rack from left to right and used for rolling and forming strip steel, and the cutter assembly is arranged on the rack, located on the right side of the rack and used for cutting the rolled and formed strip steel into stator cramps. Each pair of rolling rollers comprises an upper rolling roller and a lower rolling roller which are arranged in an up-down opposite rolling manner, one of the upper rolling roller and the lower rolling roller is a convex roller with an arc-shaped convex surface on the roller surface, and the other one of the upper rolling roller and the lower rolling roller is a concave roller with an arc-shaped concave surface on the roller surface; and the strip steel unreeling device is arranged at the position close to the left side of the strip steel rolling unit. According to the utility model, the production efficiency of stator cramp manufacturing is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of motor iron core manufacturing process equipment, in particular to a stator buckle manufacturing device. Background Art

[0002] The stator core is the core component of an electric motor and is made from a number of laminated core sheets. The typical stator core manufacturing process involves stamping silicon steel sheets into core sheets, then laminating the sheets together and welding them together to form the stator core assembly.

[0003] There are various methods for stacking and securing the stator core's core laminations. Examples include welding and riveting. Another unique method involves stacking the core laminations together and then securing them with stator clips. These clips are straight bars with an arc-shaped cross section.

[0004] Stator clasps can be manufactured by mechanical processing, but the disadvantage is low production efficiency. In order to meet the needs of mass production, it is urgent to develop a high-efficiency stator clasp manufacturing process equipment. Utility Model Content

[0005] In order to solve the above problems, the present invention proposes a stator clasp manufacturing device, which aims to improve the production efficiency of stator clasp manufacturing. The specific technical solution is as follows:

[0006] A stator clasp manufacturing device includes a strip unwinder and a strip rolling mill unit, the strip rolling mill unit includes a frame, a plurality of pairs of rolling rollers arranged on the frame in sequence from left to right for rolling the strip into shape, and a cutter assembly arranged on the frame and located on the right side of the frame for cutting the rolled and formed strip into stator clasps; each pair of rolling rollers includes an upper rolling roller and a lower rolling roller arranged in an upper and lower manner, one of the upper and lower rolling rollers is a convex roller with an arc-shaped convex surface on the roller surface, and the other rolling roller is a concave roller with an arc-shaped concave surface on the roller surface; the strip unwinder is arranged on the left side of the strip rolling mill unit.

[0007] Preferably, the frame is also provided with several pairs of lateral guide wheels whose rotation axes are arranged along the up and down directions, each pair of lateral guide wheels is arranged in the front and back directions, and several pairs of rolling rollers and several pairs of lateral guide wheels are alternately arranged along the left and right directions.

[0008] During operation, the steel belt is located between the pair of lateral guide wheels.

[0009] In the utility model, a platform is provided on the frame, a roller box is provided on the platform of the frame, and the rolling rollers and the lateral guide wheels are respectively provided in the roller box.

[0010] In the utility model, a horizontal support shaft is provided in the roller box, and the rolling roller is rotatably provided on the horizontal support shaft.

[0011] Preferably, a lifting and adjusting clamp is provided on the top of the roller box, a lifting seat is provided on the lifting and adjusting clamp, and the upper rolling roller among the rolling rollers is rotatably provided on the lifting seat of the lifting and adjusting clamp via the horizontal support shaft.

[0012] Preferably, an angle steel bracket is fixed on the inner side surface of the roller box, and the lateral guide wheel is rotatably arranged on the angle steel bracket.

[0013] Wherein, each angle steel bracket is provided with a pair of lateral guide wheels arranged in the front-to-back direction.

[0014] In the utility model, the cutter assembly includes a cutter cylinder arranged at the upper right side of the roller box, an upper knife seat arranged at the lower end of the telescopic rod of the cutter cylinder, and a lower knife seat arranged at the lower right side of the roller box; the upper knife seat and the lower knife seat are correspondingly provided with cutting blades that shear each other.

[0015] In the utility model, steel belt passing holes for the steel belt to pass through are respectively opened on the left and right side walls of the roller box.

[0016] Preferably, the cutter cylinder is a double-axis cylinder.

[0017] In the utility model, a blanking box for collecting the cut stator buckles is provided on the right side of the frame.

[0018] The working principle of the utility model is as follows: after the strip is unwound from the strip unwinder, it enters the strip rolling unit for rolling. The strip undergoes several rolling deformations between the upper rolling roller and the lower rolling roller, and its cross section is rolled into an arc (arc-shaped bow) shape. It is then cut by the cutter assembly to form stator buckles.

[0019] The beneficial effects of the utility model are:

[0020] First, the stator clasp manufacturing device of the present invention can roll the strip into stator clasps in a continuous production manner by arranging a strip unwinder, a strip rolling unit and a cutter assembly, and utilizing several sets of rolling rollers, thereby achieving high production efficiency.

[0021] Secondly, in the stator clasp manufacturing device of the present invention, the upper rolling roller is arranged on the lifting and adjusting clamping device, which can adjust the clamping force during rolling, which is conducive to ensuring the accuracy of the shape of the rolled stator clasp. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural diagram of a stator buckle manufacturing device of the utility model;

[0023] Figure 2 is Figure 1 A side partial view of the rolling rollers in FIG. 1 showing the arcuate convex surface and the arcuate concave surface.

[0024] In the figure: 1. strip steel, 2. strip steel unwinder, 3. strip steel rolling unit, 4. frame, 5. stator buckle, 6. cutter assembly, 7. upper rolling roller, 8. lower rolling roller, 9. arc convex surface, 10. arc concave surface, 11. lateral guide wheel, 12. platform, 13. roller box, 14. horizontal support shaft, 15. lifting and adjusting clamp, 16. lifting seat, 17. angle steel bracket, 18. cutter cylinder, 19. upper knife seat, 20. lower knife seat, 21. cutting blade, 22. steel strip passing hole, 23. blanking box. DETAILED DESCRIPTION

[0025] The following embodiments are used to further describe the specific embodiments of the present invention in conjunction with the accompanying drawings and examples. The following embodiments are only used to more clearly illustrate the technical solutions of the present invention and are not intended to limit the scope of protection of the present invention.

[0026] like Figures 1 to 2 The figure shows an embodiment of a stator clasp manufacturing device of the present invention, which includes a strip unwinder 2 and a strip rolling mill 3. The strip rolling mill 3 includes a frame 4, a plurality of pairs of rolling rollers 7 and 8 arranged on the frame 4 in order from left to right for rolling the strip 1 into stator clasps, and a cutter assembly 6 arranged on the frame 4 and located on the right side of the frame 4 for cutting the rolled strip 1 into stator clasps 5. Each pair of rolling rollers 7 and 8 includes an upper rolling roller 7 and a lower rolling roller 8 arranged in an upper and lower manner. One of the upper rolling rollers 7 and the lower rolling roller 8 is a convex roller with an arc-shaped convex surface 9 on the roller surface, and the other rolling roller is a concave roller with an arc-shaped concave surface 10 on the roller surface. The strip unwinder 2 is arranged on the left side of the strip rolling mill 3.

[0027] Preferably, the frame 4 is also provided with several pairs of lateral guide wheels 11 whose rotation axes are arranged along the up and down directions, each pair of lateral guide wheels 11 is arranged in the front and back directions, and several pairs of rolling rollers 7, 8 and several pairs of lateral guide wheels 11 are alternately arranged along the left and right directions.

[0028] During operation, the steel belt 1 is located between the pair of lateral guide wheels 11 .

[0029] In this embodiment, a platform 12 is provided on the frame 4 , a roller box 13 is provided on the platform 12 of the frame 4 , and the rolling rollers 7 , 8 and the lateral guide wheel 11 are respectively provided in the roller box 13 .

[0030] In this embodiment, a horizontal support shaft 14 is provided in the roller box 13 , and the rolling rollers 7 , 8 are rotatably provided on the horizontal support shaft 14 .

[0031] Preferably, a lifting and adjusting clamp 15 is provided on the top of the roller box 13, and a lifting seat 16 is provided on the lifting and adjusting clamp 15. The upper rolling roller 7 among the rolling rollers 7 and 8 is rotatably set on the lifting seat 16 of the lifting and adjusting clamp 15 through the horizontal support shaft 14.

[0032] Preferably, an angle steel bracket 17 is fixed on the inner side surface of the roller box 13 , and the lateral guide wheel 11 is rotatably disposed on the angle steel bracket 17 .

[0033] Each angle steel bracket 17 is provided with a pair of lateral guide wheels 11 arranged in the front-to-back direction.

[0034] In this embodiment, the cutter assembly 6 includes a cutter cylinder 18 arranged at the upper right side of the roller box 13, an upper knife seat 19 arranged at the lower end of the telescopic rod of the cutter cylinder 18, and a lower knife seat 20 arranged at the lower right side of the roller box 13; the upper knife seat 18 and the lower knife seat 20 are correspondingly provided with cutting blades 21 that shear against each other.

[0035] In this embodiment, steel belt passing holes 22 for the steel belt 1 to pass through are respectively opened on the left and right side walls of the roller box 13.

[0036] Preferably, the cutter cylinder 18 is a double-axis cylinder.

[0037] In this embodiment, a blanking box 24 for collecting the cut stator clips 5 is provided on the right side of the frame 4 .

[0038] The working principle of this embodiment is as follows: After being unwound from the strip unwinder 2, the strip 1 enters the strip rolling unit 3 for rolling. The strip 1 undergoes several rolling deformations between the upper rolling roller 7 and the lower rolling roller 8, and its cross-section is rolled into an arc (arc-shaped) shape. The strip is then cut by the cutter assembly 6 to form the stator clip 5.

[0039] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the technical principles of the present invention. These improvements and modifications should also be regarded as within the scope of protection of the present invention.

Claims

1. A stator buckle manufacturing device, characterized in that: It includes a strip unwinder and a strip rolling mill unit, the strip rolling mill unit includes a frame, a plurality of pairs of rolling rollers arranged on the frame in sequence from left to right for rolling the strip into shape, and a cutter assembly arranged on the frame and located on the right side of the frame for cutting the rolled and formed strip into stator buckles; each pair of rolling rollers includes an upper rolling roller and a lower rolling roller arranged in an upper and lower manner, one of the upper rolling rollers and the lower rolling roller is a convex roller with an arc-shaped convex surface on the roller surface, and the other rolling roller is a concave roller with an arc-shaped concave surface on the roller surface; the strip unwinder is arranged on the left side of the strip rolling mill unit.

2. A stator clip manufacturing device according to claim 1, characterized in that: The frame is also provided with several pairs of lateral guide wheels whose rotation axes are arranged along the up and down directions. Each pair of lateral guide wheels is arranged in the front and back directions, and several pairs of rolling rollers and several pairs of lateral guide wheels are alternately arranged along the left and right directions.

3. A stator clip manufacturing device according to claim 2, characterized in that: A platform is provided on the frame, a roller box is provided on the platform of the frame, and the rolling rollers and lateral guide wheels are respectively provided in the roller box.

4. A stator clip manufacturing device according to claim 3, characterized in that: A horizontal support shaft is provided in the roller box, and the rolling roller is rotatably provided on the horizontal support shaft.

5. A stator clip manufacturing device according to claim 4, characterized in that: A lifting and adjusting clamp is provided on the top of the roller box, a lifting seat is provided on the lifting and adjusting clamp, and the upper rolling roller among the rolling rollers is rotatably provided on the lifting and adjusting clamp via the horizontal support shaft.

6. The stator clip manufacturing device according to claim 5, characterized in that: An angle steel bracket is fixed on the inner side surface of the roller box, and the lateral guide wheel is rotatably arranged on the angle steel bracket.

7. A stator clip manufacturing device according to claim 6, characterized in that: Each angle steel bracket is provided with a pair of lateral guide wheels arranged in a front-to-rear direction.

8. The stator clip manufacturing device according to claim 3, characterized in that: The cutter assembly includes a cutter cylinder arranged at the upper right side of the roller box, an upper cutter seat arranged at the lower end of the telescopic rod of the cutter cylinder, and a lower cutter seat arranged at the lower right side of the roller box; the upper cutter seat and the lower cutter seat are correspondingly provided with cutting blades that shear each other.

9. The stator clip manufacturing device according to claim 8, characterized in that: The cutter cylinder is a double-shaft cylinder.

10. The stator clip manufacturing device according to claim 1, characterized in that: A blanking box for collecting the cut stator buckles is provided on the right side of the frame.

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