Welding and laminating jig for fan-shaped punching sheet iron core of stator

Abstract

The utility model belongs to the field of iron core welding and laminating jigs, and particularly relates to a stator fan-shaped punching sheet iron core welding and laminating jig which comprises a base, a rotating disc is installed at the upper end of the base through a bearing, an adjusting mechanism is arranged on the base, and a fixing frame is fixedly connected to the left portion of the upper end of the base. A limiting plate is fixedly connected to the right portion of the upper end of the base, a lower pressing plate is hinged to the interior of a fixing frame, a center shaft is fixedly connected to the upper end of a rotary disc, the outer side of the center shaft is slidably sleeved with stacked stator pieces, and a screw is connected to the interior of the lower pressing plate through threads. According to the utility model, the turntable, the limiting seat, the pull ring frame and other structures are additionally arranged on the base, so that a plurality of layers of punching sheets are arranged at the upper end of the turntable when the punching sheets are welded, and then a welding station can be replaced by rotating the turntable, and the station can be replaced without moving by a worker; therefore, the stator punching sheet can be welded more conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of core welding and stacking jigs, in particular to a stator sector punching core welding and stacking jig. Background Art

[0002] The stator punching sheet, also known as the stator blade, is stamped from 0.3mm silicon steel sheets into different specifications of punching sheets to suit the stators of motors with different powers. During the production of the stator punching sheets, multiple stator punching sheets need to be stacked and welded. During the welding process, it is necessary to pre-extrude and limit them through a jig. However, during the use of the existing stacking jigs, when multiple layers of stator punching sheets are stacked and welded, it is necessary for workers to change the working position to weld the four sides of the punching sheets. During the process of changing the work, it is necessary to carry a welding gun to move, which is relatively cumbersome to move and affects the production efficiency. Moreover, when loading multiple layers of punching sheets, it is not convenient to place multiple layers of iron sheets. Therefore, it is necessary to improve the existing technology. Summary of the Utility Model

[0003] The purpose of the utility model is to provide a stator sector punching core welding and stacking jig, which solves the problems of inconvenient replacement of the welding station and inconvenient installation of the punching sheets during welding.

[0004] To achieve the above purpose, the utility model provides the following technical solution: A stator sector punching core welding and stacking jig, including a base, a turntable is installed on the upper end of the base through a bearing, an adjusting mechanism is arranged on the base, a fixed frame is fixedly connected to the left part of the upper end of the base, a limiting plate is fixedly connected to the right part of the upper end of the base, a lower pressing plate is hinged inside the fixed frame, a central shaft is fixedly connected to the upper end of the turntable, a stacked stator sheet is slidably sleeved outside the central shaft, a screw rod is connected to the inside of the lower pressing plate through a thread, a lower pressing frame is installed on the lower part of the outside of the screw rod through a bearing, a lower pressing ring is installed on the outside of the lower pressing frame through a bearing, a reset frame is slidably connected to the inside of the limiting plate, a limiting frame is fixedly connected to the outside of the reset frame, and a first spring is arranged on the outside of the reset frame.

[0005] Preferably, the lower pressing plate is slidably connected to the limiting plate, the stacked stator sheet is in contact with the turntable, the lower pressing ring is in contact with the stacked stator sheet, and the lower pressing ring can not only extrude and limit the stacked stator sheet but also make the stacked stator sheet rotate.

[0006] Preferably, a hand wheel is fixedly connected to the upper end of the screw rod, a guide rod is fixedly connected to the upper end of the lower pressing frame, and the guide rod is slidably connected to the lower pressing plate. The guide rod can guide the movement of the lower pressing frame.

[0007] Preferably, one end of the spring one is fixedly connected to the reset frame, the other end of the spring one is fixedly connected to the limit plate, the limit frame is slidably connected to the lower pressure plate and the limit plate, and the spring one can drive the limit frame to automatically reset through elastic force.

[0008] Preferably, the adjustment mechanism includes a support frame, the upper end of the base is fixedly connected to the support frame, the interior of the support frame is slidably connected to a pull ring frame, a spring 2 is arranged on the outside of the rod of the pull ring frame, one end of the pull ring frame close to the turntable is fixedly connected to a limit seat, a plurality of evenly distributed limit grooves are provided on the outside of the turntable, and the pull ring frame can drive the limit seat to move.

[0009] Preferably, the limit seat is slidably connected to the limit groove, one end of the second spring is fixedly connected to the support frame, and the other end of the second spring is fixedly connected to the limit seat, and the second spring can drive the limit seat to automatically reset through elastic force.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model adds structures such as a turntable, a limit seat and a pull ring frame on the base. When welding the punching sheets, after the multi-layer punching sheets are installed on the upper end of the turntable, the welding station can be replaced by rotating the turntable, and the station can be replaced without moving the staff, thereby making the welding of the stator punching sheets more convenient.

[0012] 2. The utility model adds structures such as a lower pressure plate, a lower pressure frame and a screw rod on the base. When the stator punching sheets need to be installed, the lower pressure plate can be turned over so that the lower pressure ring is separated from the area of ​​the central axis, and then the stator punching sheets can be conveniently stacked, so that the stator punching sheets can be more conveniently installed. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0014] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0015] Figure 3 For the utility model Figure 1 A three-dimensional cross-sectional view of

[0016] Figure 4 For the utility model Figure 1 A three-dimensional view of stacked stator segments;

[0017] Figure 5 For the utility model Figure 2 A magnified view of the structure of part A;

[0018] Figure 6 For the present utility model Figure 3 is an enlarged view of the structure of part B.

[0019] In the figure: 1, base; 2, turntable; 3, adjusting mechanism; 4, fixing frame; 5, limiting plate; 6, lower pressing plate; 7, central shaft; 8, stacked stator sheets; 9, screw; 10, lower pressing frame; 11, lower pressing ring; 12, guide rod; 13, handwheel; 14, resetting frame; 15, limiting frame; 16, first spring; 31, support frame; 32, pull ring frame; 33, limiting seat; 34, second spring; 35, limiting groove. Specific embodiments

[0020] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0021] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6 , a stator sector punching core welding and laminating jig, comprising a base 1, the upper end of the base 1 is installed with a turntable 2 through a bearing, an adjusting mechanism 3 is arranged on the base 1, the left part of the upper end of the base 1 is fixedly connected with a fixing frame 4, the right part of the upper end of the base 1 is fixedly connected with a limiting plate 5, the lower pressing plate 6 is hinged inside the fixing frame 4, the upper end of the turntable 2 is fixedly connected with a central shaft 7, a stacked stator sheet 8 is slidably sleeved outside the central shaft 7, a screw 9 is connected inside the lower pressing plate 6 through a thread, the lower part of the outside of the screw 9 is installed with a lower pressing frame 10 through a bearing, the outside of the lower pressing frame 10 is installed with a lower pressing ring 11 through a bearing, a resetting frame 14 is slidably connected inside the limiting plate 5, a limiting frame 15 is fixedly connected to the outside of the resetting frame 14, and a first spring 16 is arranged on the outside of the resetting frame 14.

[0022] Please refer to Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 6, the lower pressing plate 6 is slidably connected to the limiting plate 5, the stacked stator sheets 8 are in contact with the turntable 2, the lower pressing ring 11 is in contact with the stacked stator sheets 8, and the lower pressing ring 11 can not only squeeze and limit the stacked stator sheets 8 but also enable the stacked stator sheets 8 to rotate. The upper end of the screw rod 9 is fixedly connected with a hand wheel 13, the upper end of the lower pressing frame 10 is fixedly connected with a guide rod 12, and the guide rod 12 is slidably connected to the lower pressing plate 6. The guide rod 12 can guide the movement of the lower pressing frame 10. One end of the first spring 16 is fixedly connected to the reset frame 14, and the other end of the first spring 16 is fixedly connected to the limiting plate 5. The limiting frame 15 is slidably connected to both the lower pressing plate 6 and the limiting plate 5, and the first spring 16 can drive the limiting frame 15 to automatically reset through its elastic force.

[0023] Please refer to Figure 1 , Figure 2 , Figure 5 , the adjusting mechanism 3 includes a support frame 31. The upper end of the base 1 is fixedly connected with the support frame 31. A pull ring frame 32 is slidably connected inside the support frame 31. A second spring 34 is arranged on the outer side of the rod of the pull ring frame 32. One end of the pull ring frame 32 close to the turntable 2 is fixedly connected with a limiting seat 33. A plurality of uniformly distributed limiting grooves 35 are formed on the outer side of the turntable 2. The pull ring frame 32 can drive the limiting seat 33 to move, and the limiting seat 33 is slidably connected to the limiting grooves 35. One end of the second spring 34 is fixedly connected to the support frame 31, and the other end of the second spring 34 is fixedly connected to the limiting seat 33. The second spring 34 can drive the limiting seat 33 to automatically reset through its elastic force.

[0024] The specific implementation process of the present utility model is as follows: When in use, turn the lower pressing plate 6 to separate it from the limiting plate 5, then sleeved the whole stacked stator sheets 8 on the outer side of the central shaft 7, and then turn the lower pressing plate 6 to contact the limiting plate 5. At the same time, pull the limiting frame 15 to make the limiting frame 15 separate from the limiting plate 5 and compress the first spring 16. When the lower pressing plate 6 turns to contact the limiting plate 5, release the limiting frame 15, and the first spring 16 resets. The first spring 16 can drive the limiting frame 15 to pass through the lower pressing plate 6 and slide into the inside of the limiting plate 5 through its elastic force. Then rotate the hand wheel 13, and the hand wheel 13 drives the screw rod 9 to rotate. During the rotation of the screw rod 9, it can drive the lower pressing frame 10 to move downward through the thread fit with the lower pressing plate 6. When the lower pressing ring 11 on the outer side of the lower pressing frame 10 contacts the stacked stator sheets 8, the stacked stator sheets 8 can be squeezed and limited through the lower pressing ring 11, and then the stacked stator sheets 8 can be welded;

[0025] During the welding process, pull the pull ring holder 32. The pull ring holder 32 drives the limit seat 33 to move and compresses the second spring 34. When the limit seat 33 disengages from the current limit groove 35, the stacked stator sheets 8 can be rotated and repositioned by the turntable 2. After the repositioning is completed, release the pull ring holder 32, and the second spring 34 resets. The second spring 34 can drive the limit seat 33 to reset by its elastic force. After the limit seat 33 resets, it slides into the adjusted limit groove 35, and the station adjustment can be conveniently completed.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A stator sector-shaped punching core welding lamination jig, comprising a base (1), characterized in that: A turntable (2) is installed on the upper end of the base (1) through a bearing, and an adjustment mechanism (3) is arranged on the base (1). A fixed frame (4) is fixedly connected to the left upper end of the base (1), and a limit plate (5) is fixedly connected to the right upper end of the base (1). A lower pressure plate (6) is hinged inside the fixed frame (4). The upper end of the turntable (2) is fixedly connected to a central axis (7), and the outer side of the central axis (7) is slidably sleeved with stacked stator sheets (8). The inner part of the lower pressure plate (6) is connected to a screw rod (9) through a thread, and a lower pressure frame (10) is installed on the lower outer side of the screw rod (9) through a bearing, and a lower pressure ring (11) is installed on the outer side of the lower pressure frame (10) through a bearing. The inner part of the limit plate (5) is slidably connected to a reset frame (14), and the outer side of the reset frame (14) is fixedly connected to the limit frame (15), and a spring (16) is arranged on the outer side of the reset frame (14).

2. A stator sector punching core welding lamination jig according to claim 1, characterized in that: The lower pressure plate (6) is slidably connected to the limit plate (5), the stacked stator sheets (8) are in contact with the turntable (2), and the lower pressure ring (11) is in contact with the stacked stator sheets (8).

3. A stator sector punching core welding lamination jig according to claim 1, characterized in that: The upper end of the screw rod (9) is fixedly connected to a hand wheel (13), the upper end of the lower pressing frame (10) is fixedly connected to a guide rod (12), and the guide rod (12) is slidably connected to the lower pressing plate (6).

4. A stator sector-shaped punching core welding lamination jig according to claim 1, characterized in that: One end of the spring one (16) is fixedly connected to the reset frame (14), the other end of the spring one (16) is fixedly connected to the limit plate (5), and the limit frame (15) is slidably connected to both the lower pressure plate (6) and the limit plate (5).

5. The stator sector punching core welding lamination jig according to claim 1, characterized in that: The adjustment mechanism (3) comprises a support frame (31), the upper end of the base (1) is fixedly connected to the support frame (31), the interior of the support frame (31) is slidably connected to a pull ring frame (32), a spring 2 (34) is arranged on the outside of a rod of the pull ring frame (32), one end of the pull ring frame (32) close to the turntable (2) is fixedly connected to a limit seat (33), and a plurality of evenly distributed limit grooves (35) are provided on the outside of the turntable (2).

6. A stator sector-shaped punching core welding lamination jig according to claim 5, characterized in that: The limiting seat (33) is slidably connected to the limiting groove (35), one end of the second spring (34) is fixedly connected to the support frame (31), and the other end of the second spring (34) is fixedly connected to the limiting seat (33).

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