Tool for heating and fixing self-adhesive stator core

Abstract

The utility model discloses a tool for heating and fixing a self-adhesive stator core, which comprises a fixed base and a fixed top plate, the fixed top plate is positioned above the fixed base, a through hole is formed in the fixed top plate, a central support column is fixedly connected to the upper part of the fixed base, a threaded rod penetrating through the through hole is in threaded connection with the central support column, and the threaded rod is in threaded connection with the fixed base. The device further comprises a movable iron core inner diameter limiting barrel which is located between the fixed base and the fixed top plate and arranged outside the center supporting column in a sleeving mode, a sliding groove is formed in the upper portion of the fixed top plate, a reset spring is fixedly connected to the end, close to the outer side, of the sliding groove, and an adjusting sliding block is arranged on the sliding groove in a sliding mode. The utility model belongs to the technical field of motor manufacturing equipment, and effectively solves the problems that when a tool for heating and fixing a self-adhesive stator iron core is used, the tool lacks the function of adjusting and adapting to stator iron cores with different sizes, and the replacement production cost is increased.

Description

Technical Field

[0001] This utility model belongs to the technical field of electric motor manufacturing equipment, specifically referring to a tooling for heating and fixing a self-adhesive stator core. Background Technology

[0002] Existing stator cores are generally composed of multiple silicon steel sheets. Each silicon steel sheet is coated with adhesive at the factory. Then, they are stacked, pressed together, and placed in an oven for heating and curing. Because adhesive is coated between every two adjacent silicon steel sheets in the stator core, during processing, the adhesive between adjacent silicon steel sheets shrinks in volume due to curing. This creates gaps between all the silicon steel sheets that were originally pressed together by the pressure plate, affecting the heating and curing effect and even causing delamination. In this case, it is necessary to remove the core after baking for a certain period of time, manually rotate the bolts to adjust the pressure of the pressure plate, and then bake it again. The heating time is too long, the effect is poor, and the efficiency is low.

[0003] Publication (Announcement) No.: CN220087110U provides a tooling for heating and fixing a self-adhesive stator core. It can ensure that all silicon steel sheets are pressed tightly against each other during baking, ensuring the heating and curing effect. This allows the heating process to continue without stopping or moving the core, greatly improving the heating and curing effect and efficiency.

[0004] However, the size of the stator core is usually not universal. The size of the stator core depends on the specific model and specifications of the motor. Different models and specifications of motors require stator cores of different sizes. For example, motors with different power and number of poles may require stator cores of different sizes. When fixing stator cores of different sizes, the replacement cost is increased and the adjustment is inconvenient. Utility Model Content

[0005] The technical problem this invention aims to solve is that the self-adhesive stator core heating and fixing tooling lacks the function of adjusting and adapting to stator cores of different sizes during use, which increases the production cost of replacement.

[0006] The technical solution adopted by this utility model is as follows:

[0007] This utility model proposes a self-adhesive stator core heating and fixing fixture, including a fixed base and a fixed top plate. The fixed top plate is located above the fixed base and has a through hole. A central support column is fixedly connected to the upper part of the fixed base. A threaded rod with a through hole is screwed onto the central support column. A limiting plate is fixedly connected to the upper part of the threaded rod. It also includes a movable core inner diameter limiting cylinder located between the fixed base and the fixed top plate and sleeved outside the central support column. A sliding groove is provided on the upper part of the fixed top plate. A return spring is fixedly connected to one end of the sliding groove near the outer side. An adjusting slider is slidably provided on the sliding groove.

[0008] Furthermore, a telescopic rod is fixedly connected to the lower part of the adjusting slider, and a tensioning spring is sleeved on the telescopic rod.

[0009] Furthermore, a connecting frame is fixed to the outer wall of the central support column, and sliding slots are provided on both sides of the connecting frame.

[0010] Furthermore, an installation ring is fixedly connected to the inner wall of the movable iron core inner diameter limiting cylinder, and a locking block that is slidably disposed on the sliding jaw is fixedly connected to the inner wall of the installation ring.

[0011] Furthermore, the upper part of the two sets of card blocks is fixed with a push frame arranged in a mirror image, and the cross section of the push frame is arranged in a "7" shape.

[0012] Furthermore, the push frame is provided through the sliding groove, and the upper protrusion of the push frame cooperates with the adjusting slider.

[0013] Furthermore, the thickness of the push frame and the locking block is a fixed value, which cooperates with the sliding jaw and the sliding groove, and the outer end of the push frame is flush with the outer wall of the movable iron core inner diameter limiting cylinder.

[0014] The beneficial effects of this utility model by adopting the above structure are as follows:

[0015] 1. The component structure is replaceable and adjustable, which can adapt to the operation and fixation of stator cores of different specifications and sizes, thereby improving the efficiency of use;

[0016] 2. By combining and installing a fixing bracket and snap-fit ​​components that adapt to the inner diameter of the iron core, and cooperating with a spring mechanism, the fixed position can be adjusted, reducing the trouble of adjustment. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of the present utility model;

[0018] Figure 2 A schematic diagram of the installation of a movable iron core inner diameter limiting cylinder;

[0019] Figure 3 Exploded view of the installation structure of the mounting ring;

[0020] Figure 4 This is a reference diagram showing the usage status of the connector frame;

[0021] Figure 5 Exploded view of the structure for fixing the top plate;

[0022] Figure 6 This is a reference diagram showing the usage status of the pusher frame and sliding groove.

[0023] The components include: 1. Fixed base; 2. Fixed top plate; 3. Through hole; 4. Central support column; 5. Threaded rod; 6. Limiting plate; 7. Movable iron core inner diameter limiting cylinder; 8. Sliding groove; 9. Return spring; 10. Adjusting slider; 11. Telescopic rod; 12. Tightening spring; 13. Connecting frame; 14. Sliding bayonet; 15. Mounting ring; 16. Locking block; 17. Pushing frame. Detailed Implementation

[0024] like Figure 1 , 2 As shown in Figures 4 and 5, this utility model proposes a self-adhesive stator core heating and fixing fixture, including a fixing base 1 and a fixing top plate 2. The fixing top plate 2 is located above the fixing base 1, and a through hole 3 is provided on the fixing top plate 2. A central support column 4 is fixedly connected to the upper part of the fixing base 1, and a threaded rod 5 that passes through the through hole 3 is screwed onto the central support column 4. A limiting plate 6 is fixedly connected to the upper part of the threaded rod 5. It also includes a movable core inner diameter limiting cylinder 7 located between the fixing base 1 and the fixing top plate 2 and sleeved outside the central support column 4. The fixed top plate 2 has a sliding groove 8 on its upper part. A return spring 9 is fixedly connected to one end of the sliding groove 8 near the outer side. An adjusting slider 10 is slidably provided on the sliding groove 8. The stator core is installed by selecting a movable core inner diameter limiting cylinder 7 that is adapted to the size and specifications of the stator core. The stator core is inserted into the outer wall of the movable core inner diameter limiting cylinder 7. The fixed top plate 2 and the fixed base 1 clamp the core. During installation, the fixed top plate 2 is limited by rotating on the central support column 4 and cooperating with the limiting plate 6 to achieve clamping installation.

[0025] like Figure 4 As shown, a telescopic rod 11 is fixedly connected to the lower part of the adjusting slider 10. A tightening spring 12 is sleeved on the telescopic rod 11. The telescopic rod 11 is pressed downward by the connecting frame 13. The telescopic rod 11 contacts the stator core below and is tightened and fixed.

[0026] like Figure 3 , 4 As shown, a connecting frame 13 is fixed to the outer wall of the central support column 4. Sliding slots 14 are provided on both sides of the connecting frame 13. An installation ring 15 is fixed to the inner wall of the movable iron core inner diameter limiting cylinder 7. A locking block 16 that slides on the sliding slot 14 is fixed to the inner wall of the installation ring 15. After the movable iron core inner diameter limiting cylinder 7 is placed on the fixed base 1, it is slidably locked onto the sliding slot 14 by the locking block 16, which facilitates fixed installation and reduces the trouble of disassembly and replacement.

[0027] like Figure 3 , 6As shown, two sets of locking blocks 16 are fixedly connected to the upper part of a pusher frame 17 arranged in a mirror image. The cross-section of the pusher frame 17 is arranged in the shape of a "7". The pusher frame 17 passes through the sliding groove 8, and the upper protrusion of the pusher frame 17 cooperates with the adjusting slider 10. The thickness of the pusher frame 17 and the locking block 16 is a fixed value. It cooperates with the sliding jaw 14 and the sliding groove 8. The outer end of the pusher frame 17 is flush with the outer wall of the movable iron core inner diameter limiting cylinder 7. When installing the fixed top plate 2, the pusher frame 17 passes through the sliding groove 8 for easy positioning. At the same time, the adjusting slider 10 needs to be pushed to slide on the sliding groove 8 to compress the return spring 9 so that the pusher frame 17 can pass through smoothly. Since the size of the movable iron core inner diameter limiting cylinder 7 is different, after the pusher frame 17 is installed, the outer end position limits the adjusting slider 10. At this time, the corresponding position of the telescopic rod 11 is above the stator iron core for easy fixing.

[0028] In practical use, the movable iron core inner diameter limiting cylinder 7 is replaced according to the size of the self-adhesive stator iron core. The corresponding mounting ring 15, locking block 16 and push frame 17 are also changed accordingly. While installing with the connecting frame 13, the position of the adjusting slider 10 sliding on the sliding groove 8 can be quickly adjusted. The adjustment position is determined by the size change, which can reduce the trouble of manual adjustment.

[0029] The above is the entire usage process of a self-adhesive stator core heating and fixing fixture.

[0030] The present invention and its embodiments have been described above. This description is not restrictive, and the accompanying drawings are only one embodiment of the present invention; the actual structure is not limited thereto. In conclusion, if those skilled in the art are inspired by this description and design similar structures and embodiments without departing from the inventive spirit of the present invention, such designs should fall within the protection scope of the present invention.

Claims

1. A fixture for heating and fixing a self-adhesive stator core, comprising a fixed base (1) and a fixed top plate (2), wherein the fixed top plate (2) is located above the fixed base (1), a through hole (3) is provided on the fixed top plate (2), a central support column (4) is fixedly connected to the upper part of the fixed base (1), a threaded rod (5) is screwed onto the central support column (4) through the through hole (3), and a limit plate (6) is fixedly connected to the upper part of the threaded rod (5), characterized in that: It also includes a movable iron core inner diameter limiting cylinder (7) located between the fixed base (1) and the fixed top plate (2) and sleeved outside the central support column (4). The fixed top plate (2) has a sliding groove (8) on its upper part. A return spring (9) is fixedly connected to one end of the sliding groove (8) near the outer side. An adjusting slider (10) is slidably provided on the sliding groove (8).

2. The tooling for heating and fixing a self-adhesive stator core according to claim 1, characterized in that: The lower part of the adjusting slider (10) is fixedly connected to a telescopic rod (11), and a tensioning spring (12) is sleeved on the telescopic rod (11).

3. The tooling for heating and fixing a self-adhesive stator core according to claim 2, characterized in that: A connecting frame (13) is fixed to the outer wall of the central support column (4), and sliding slots (14) are provided on both sides of the connecting frame (13).

4. The self-adhesive stator core heating and fixing fixture according to claim 3, characterized in that: An installation ring (15) is fixedly connected to the inner wall of the movable iron core inner diameter limiting cylinder (7), and a locking block (16) that is slidably set on the sliding jaw (14) is fixedly connected to the inner wall of the installation ring (15).

5. The tooling for heating and fixing a self-adhesive stator core according to claim 4, characterized in that: The upper part of the two sets of card blocks (16) is fixed with a push frame (17) arranged in a mirror image, and the cross section of the push frame (17) is arranged in the shape of "7".

6. The self-adhesive stator core heating and fixing fixture according to claim 5, characterized in that: The push frame (17) is installed through the sliding groove (8), and the upper protrusion of the push frame (17) cooperates with the adjusting slider (10).

7. The tooling for heating and fixing a self-adhesive stator core according to claim 6, characterized in that: The thickness of the push frame (17) and the locking block (16) is a fixed value, which cooperates with the sliding locking slot (14) and the sliding groove (8), and the outer end of the push frame (17) is flush with the outer wall of the movable iron core inner diameter limiting cylinder (7).

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