Stator core welding fixture

Abstract

The utility model provides a stator iron core welding fixture, and belongs to the technical field of stator iron core production and processing. The problem that in the prior art, when a stator iron core is machined, the inner side concentricity may have deviation is solved. The clamp comprises a clamp support, an outer side pressing die assembly, an inner side pressing die assembly and an upper side pressing die assembly, an inner side motor is fixedly installed in the center of a connecting disc, the upper end of the inner side motor is connected with a linear bearing, the linear bearing penetrates through the center of a chassis, the other end of the linear bearing is connected with a connecting sliding rod, and a connecting buckle disc is fixed to the upper end of the center of the chassis. An inner side guide rail and an inner side sliding block are arranged on the inner side of the base plate, the inner side pressing die assembly comprises a fulcrum seat, a connecting block, a T-shaped block and an inner side pressing die block, the fulcrum seat is fixedly connected with the connecting buckle plate, the T-shaped block is connected with the upper end of the inner side sliding block, the connecting block is connected with the fulcrum seat and the T-shaped block, and the inner side pressing die block is fixedly connected with the T-shaped block. The stator iron core welding device has the advantage that the welding accuracy of a stator iron core workpiece is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to stator core production and processing technical field relates to a stator core welding fixture. BACKGROUND

[0002] The stator welding fixture is a device for fixing and positioning the stator, which is widely used in the field of motor manufacturing. In the prior art, the structure design of some stator welding fixtures may not be reasonable, which leads to the easy deviation or deformation of the stator during the welding process, thereby affecting the concentricity.

[0003] A welding fixture clamp for a stator core, a rotating platform, and a laser edge inspection device are disclosed in Chinese Patent No. CN221817847U. The rotating platform is coaxially fixed with a support ring and a three-jaw centering chuck. The support ring is arranged on the inner side of the three-jaw centering chuck. At least three first supporting blocks are uniformly fixed around the outer side of the three-jaw centering chuck on the rotating platform. A second supporting block is fixed between the first supporting block and the support ring. The second supporting block spans the three-jaw centering chuck. A centering jaw for positioning the inner hole of the core shaft of the stator core is slidably assembled on the three-jaw centering chuck.

[0004] The welding fixture clamp for a stator core provided by the patent does not have a mold component that applies pressure to the inside of the stator core, which may result in a deviation in the concentricity of the inside of the stator core during use. UTILITY MODEL CONTENT

[0005] The utility model aims at the above-mentioned problems existing in the prior art and provides a stator core welding fixture.

[0006] The utility model discloses a stator core welding fixture can be realized through the following technical schemes: a stator core welding fixture, including clamp support, outside mould pressing subassembly, inside mould pressing subassembly, upside mould pressing subassembly, the clamp support includes connecting disc, bottom disc, connecting frame and fixed foot, the connecting frame is installed between connecting disc and bottom disc, a plurality of through -holes are seted up on the bottom disc, the outside mould pressing subassembly includes outside mould pressing block, mould pressing upper cover, gasket and pressing block, the bottom disc outside is provided with outside guide rail and outside sliding block, the outside sliding block upper end is connected with outside sliding plate, a plurality of through -holes are seted up on the bottom disc outside, the outside sliding plate is passed through through -hole, the outside sliding plate lower end is connected with outside connecting rod, the outside connecting rod is connected with outside motor, the connecting disc center is fixedly installed with inside motor, the inside motor upper end is connected with linear bearing, the linear bearing is passed through bottom disc center, the linear bearing other end is connected with connecting slide bar, and the bottom disc center upper end is fixed with connecting buckle disc, the bottom disc inside is provided with inside guide rail and inside sliding block, the inside mould pressing subassembly includes fulcrum seat, connecting block, T -shaped block and inside mould pressing block, the fulcrum seat is fixedly connected with connecting buckle disc, the T -shaped block is connected with inside sliding block upper end, the connecting block is connected with fulcrum seat and T -shaped block respectively, and the inside mould pressing block is fixedly connected with T -shaped block.

[0007] In the stator core welding fixture, the upside mould pressing subassembly includes a top cover, an upper cover, a disc, a spring pressing rod, a connecting bolt and a locking plate, the disc is fixedly connected with the upper end of the inside mould pressing block, the upper cover is attached to the disc, the spring pressing rod passes through the top cover, the connecting bolt is fixedly connected with the upper end of the upper cover, the connecting bolt passes through the top cover, a large nut is connected to the top of the connecting bolt, and the locking plate is fixedly connected with the large nut.

[0008] In the stator core welding fixture, the bottom disc is fixedly installed with a positioning ring, and a plurality of large seatings and small seatings are fixedly arranged on the upper end of the positioning ring.

[0009] Compared with the prior art, the stator core welding fixture has the following beneficial effects: through the structural arrangement of the outside mould pressing subassembly, the inside mould pressing subassembly and the upside mould pressing subassembly, the stator core workpiece installed on the large seating and the small seating can be clamped from the outside, the inside and the longitudinal direction, and the accuracy of the stator core workpiece during welding is ensured. BRIEF DESCRIPTION OF DRAWINGS

[0010] Figure 1 It is the whole structure schematic diagram of the utility model;

[0011] Figure 2 It is outside mould pressing subassembly structure schematic diagram;

[0012] Figure 3 It is inside mould pressing subassembly structure schematic diagram;

[0013] Figure 4 This is a schematic diagram of the inner molding assembly from another angle;

[0014] Figure 5 This is a schematic diagram of the upper molding assembly structure.

[0015] In the diagram: 1. Fixture bracket; 11. Connecting plate; 12. Base; 121. Through hole; 13. Connecting frame; 14. Fixing foot; 2. Outer mold assembly; 21. Outer mold module; 22. Mold cover; 23. Gasket; 24. Pressure block; 25. Outer guide rail; 26. Outer slider; 27. Outer sliding plate; 28. Outer connecting rod; 29. ​​Outer motor; 3. Inner mold assembly; 31. Inner motor; 311. 32. Linear bearing; 33. Connecting slide rod; 34. Connecting buckle; 35. Inner guide rail; 36. Inner slider; 37. Pivot seat; 38. Connecting block; 39. T-block; 40. Inner pressure module; 41. Upper pressure mold assembly; 42. Top cover; 43. Disc; 44. Spring pressure rod; 45. Connecting bolt; 46. Locking plate; 47. Large nut; 6. Positioning ring; 61. Large seat metal; 62. Small seat metal. Detailed Implementation

[0016] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0017] like Figures 1 to 5 As shown, this embodiment includes a clamping bracket 1, an outer pressing mold assembly 2, an inner pressing mold assembly 3, and an upper pressing mold assembly 4. The clamping bracket 1 includes a connecting plate 11, a base 12, a connecting frame 13, and fixing feet 14. The connecting frame 13 is installed between the connecting plate 11 and the base 12. The base 12 has several through holes 121. The outer pressing mold assembly 2 includes an outer pressing module 21, a pressing mold cover 4222, a gasket 23, a pressing block 24, an outer sliding plate 27, an outer connecting rod 28, and an outer motor 29. The base... The outer periphery of the chassis 12 is provided with several outer guide rails 25 and outer sliders 26 arranged in a circular array. The outer slide plate 27 is fixedly connected to the upper end of the outer slider 26. Several rectangular through holes 121 are opened on the outer side of the chassis 12. The outer slide plate 27 passes through the through holes 121 and is connected to the outer connecting rod 28. The outer slide plate 27 moves in the through holes 121. The outer motor 29 is connected to one end of the outer connecting rod 28. The outer motor 29 drives the outer slide plate 27 and the outer slider 26 to move along the outer guide rails 25.

[0018] like Figures 1 to 4As shown, the inner side die assembly 3 comprises an inner side motor 31, a connecting slide rod 32, a connecting buckle plate 33, an inner side guide rail 34, an inner side sliding block 35, a fulcrum seat 36, a connecting block 37, a T-shaped block 38 and an inner side die module 39, the inner side motor 31 is fixedly installed at the center of the connecting disc 11, a linear bearing 311 is connected to the upper end of the inner side motor 31, the linear bearing 311 penetrates through the center of the bottom disc 12, the connecting slide rod 32 is connected to the other end of the linear bearing 311, the connecting buckle plate 33 is fixedly installed at the center of the upper end of the bottom disc 12, the inner side guide rail 34 and the inner side sliding block 35 are in the number of several and are distributed in a circular array at the inner upper end of the bottom disc 12, the fulcrum seat 36 is fixedly connected with the connecting buckle plate 33, the T-shaped block 38 is connected with the upper end of the inner side sliding block 35, the connecting block 37 is installed between the fulcrum seat 36 and the T-shaped block 38 and connects the fulcrum seat 36 and the T-shaped block 38, and the inner side die module 39 is fixedly connected with the T-shaped block 38.

[0019] As shown in Figure 1 and Figure 5 As shown, the upper side die assembly 4 comprises a top cover 41, an upper cover 42, a disc 43, a spring pressing rod 44, a connecting bolt 45 and a locking plate 46, the disc 43 is fixedly connected with the upper end of the inner side die module 39, the upper cover 42 is connected with the disc 43, the spring pressing rod 44 penetrates through the top cover 41 and extends downward, the lower end of the spring pressing rod 44 is in contact with the upper surface of the stator workpiece during installation, the connecting bolt 45 is fixedly connected with the upper end of the upper cover 42, the connecting bolt 45 penetrates through the top cover 41, a large nut 47 is connected to the top of the connecting bolt 45, and the locking plate 46 is fixedly connected with the large nut 47.

[0020] Further details, as shown in Figure 2 The bottom disc 12 is fixedly installed with a positioning circular ring 6, a plurality of large seat golds 61 and small seat golds 62 are fixedly arranged at the upper end of the positioning circular ring 6, the large seat golds 61 and the small seat golds 62 are distributed in intervals, in use, the stator core workpiece is installed on the positioning circular ring 6 through the large seat golds 61 and the small seat golds 62, and the stator core workpiece installed on the positioning circular ring 6 is subjected to the extrusion and clamping action of the outer side die assembly 2, the inner side die assembly 3 and the upper side die assembly 4.

[0021] The specific embodiments described herein are merely illustrative of the spirit of the present application. Those skilled in the art of the present application can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0022] Although various terms are used frequently herein, the possibility of using other terms is not excluded. The use of these terms is only for the convenience of describing and explaining the essence of the present application; any additional limitation is contrary to the spirit of the present application.

Claims

1. A stator core welding fixture characterized by: The utility model relates to a clamp support (1), outside side mould assembly (2), inside side mould assembly (3), upper side mould assembly (4) are included, the clamp support (1) includes connecting disc (11), bottom disc (12), connecting frame (13) and fixed foot (14), the connecting frame (13) is installed between connecting disc (11) and bottom disc (12), a plurality of through -hole (121) are seted up on bottom disc (12), outside side mould assembly (2) includes outside side mould block (21), mould upper cover (42) (22), gasket (23) and pressing block (24), bottom disc (12) outside is provided with outside side guide rail (25) and outside side sliding block (26), the upper end of outside side sliding block (26) is connected with outside side sliding plate (27), a plurality of through -hole (121) are seted up on bottom disc (12) outside, outside side sliding plate (27) passes through through -hole (121), the lower end of outside side sliding plate (27) is connected with outside side connecting rod (28), outside side connecting rod (28) is connected with outside side motor (29) on it, the center fixed mounting of connecting disc (11) is with inside side motor (31), the upper end of inside side motor (31) is connected with linear bearing (311), linear bearing (311) passes through the center of bottom disc (12), the other end of linear bearing (311) is connected with connecting sliding rod (32), the upper end fixed of bottom disc (12) center is with connecting buckle disc (33), bottom disc (12) inside is provided with inside side guide rail (34) and inside side sliding block (35), inside side mould assembly (3) includes fulcrum seat (36), connecting block (37), T -type block (38) and inside side mould block (39), fulcrum seat (36) is fixedly connected with connecting buckle disc (33), T -type block (38) is connected with the upper end of inside side sliding block (35), connecting block (37) is connected with fulcrum seat (36) and T -type block (38) respectively, inside side mould block (39) is fixedly connected with T -type block (38).

2. A stator core welding fixture according to claim 1, characterized in that: The upper side mould assembly (4) includes top cover (41), upper cover (42), disc (43), spring pressing rod (44), link bolt (45) and locking plate (46), the disc (43) is fixedly connected with the upper end of inside side mould block (39), the upper cover (42) is connected with the disc (43), the spring pressing rod (44) passes through the top cover (41), the link bolt (45) is fixedly connected with the upper end of upper cover (42), the link bolt (45) passes through the top cover (41), the link bolt (45) is connected with the big nut (47) on top, the locking plate (46) is fixedly connected with the big nut (47).

3. A stator core welding fixture according to claim 1, characterized in that: The bottom disc (12) is fixedly installed with the positioning ring (6), a plurality of big seat (61) and small seat (62) are fixedly arranged on the upper end of positioning ring (6).

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