Motor slot paper positioning device

By designing a motor slot paper positioning device, and utilizing a wear-resistant and rust-proof slot paper positioning die head and handle, the slot paper can be embedded into the stator slot in one go, solving the problem of inaccurate stator slot paper positioning and improving production efficiency and motor quality.

CN223693747UActive Publication Date: 2025-12-19GUANGSHUN ELECTRICAL TECHNOLOGY (FOSHAN NANHAI) CO LTD
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Patent Information

Application Number
CN202423302436.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-31
Publication Date
2025-12-19
Estimated Expiration
2034-12-31

AI Technical Summary

Technical Problem

The existing motor stator slot paper is not accurately positioned, causing the slot paper to protrude from the surface of the stator core after winding, which poses quality and safety hazards and results in low production efficiency.

Method used

The device employs a motor slot paper positioning device, which includes a handle and a slot paper positioning die head. The die head has multiple protruding modules circumferentially arranged to match the stator slot shape. The slot paper positioning die head is made of 45# steel, which is wear-resistant and rust-proof. The handle is knurled to increase friction and ensure that the slot paper is embedded into the stator slot in one go.

Benefits of technology

It improved the efficiency and quality of motor production, reduced the need for secondary manual processing, increased production capacity, and reduced safety hazards.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223693747U_ABST
    Figure CN223693747U_ABST
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Abstract

The utility model discloses a motor slot paper positioning device which is characterized in that the motor slot paper positioning device comprises a handle and a slot paper positioning die head, the handle is connected with the slot paper positioning die head, a plurality of protruding modules are arranged in the circumferential direction of the slot paper positioning die head, and the protruding modules are matched with stator slot profiles and do not affect stator iron cores and enameled wires. And the slot paper protruding out of the iron core is embedded into the stator slot, so that the slot paper is embedded into the stator slot. The utility model has the advantages of simple structure and good stability, is suitable for motor production operation, improves the capacity and quality of the motor, and greatly improves the production efficiency.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to motor production equipment technical field more specifically relates to a motor slot paper positioning device. BACKGROUND

[0002] Motor stator, contain the core, copper line, the center of core is provided with hole, the inner wall of hole is provided with a plurality of grooves along the circumferential direction;Each groove inserts insulation paper, copper line is wound on the interval between adjacent grooves according to certain rule;Copper line keeps insulation with core through insulation paper;In the production process, insert insulation paper into the groove of core by artificial method, first calculate the length of paper required in each groove, then measure the required length, cut short;Finally, insert into the corresponding groove, the production efficiency is low. For this reason, the prior art personnel developed automatic paper inserting machine, such as Chinese patent publication number CN203896146U, provides a kind of stator insulation paper automatic paper inserting machine, including rack, rack is equipped with table board, rack is installed with motor paper feeding mechanism, paper pressing wheel mechanism, punch mechanism, forming mechanism, paper pushing mechanism, paper outlet mechanism, jacking mechanism, paper feeding roller;Table board includes the first table board being arranged in the upper portion of rack and the second table board being arranged in the middle portion of rack, jacking mechanism is installed in the lower portion of second table board, motor paper feeding mechanism, paper pressing wheel mechanism, punch mechanism and paper pushing mechanism are installed on the first table board, forming mechanism and paper outlet mechanism are installed between the first table board and the second table board, paper feeding roller is installed in the side of first table board.The utility model makes new integration to the tooling of stator insulation paper inserting equipment, shortens the replacement time of all module components;And can be changed by hand, without adjustment, the skill requirement of worker is not high, any ordinary worker can operate in shutdown.But the disadvantage is that the tooling for positioning stator slot paper, after stator embedding line, slot paper is not embedded in place, will protrude from the surface of stator core, lead to slot paper and rotor interference, will lead to motor jam, there are quality and safety hazards, its structure needs further improvement. SUMMARY

[0003] The utility model discloses a kind of motor slot paper positioning devices to solve the deficiency of prior art, and improve the motor capacity and quality of motor slot paper positioning device.

[0004] The utility model discloses a kind of motor slot paper positioning devices to solve the deficiency of prior art, and improve the motor capacity and quality of motor slot paper positioning device.

[0005] As a further illustration of the above scheme, the end of the slot paper positioning die head is provided with an internally threaded hole, and the end of the handle is provided with an externally threaded connector, the end of the handle is inserted into the internally threaded hole and is threadedly connected with the slot paper positioning die head.

[0006] Further, the slot paper positioning die head is a steel piece, resistant to wear and rust, and the handle is knurled to increase friction and prevent falling off for easy use.

[0007] Further, the protruding module is a spline, and the two ends of the protruding module are respectively provided with oval chamfers.

[0008] Further, the oval chamfers at the two ends of the protruding module are asymmetric structures, one end of which has an oval chamfer with a height of 2-2.5 mm and a length of 9-12 mm, and the other end of which has an oval chamfer with a height of 2-2.5 mm and a length of 4-6 mm.

[0009] Further, the slot paper positioning die head is columnar with a diameter of 68-72 mm, and the protruding module has a height of 2-2.2 mm.

[0010] Further, an arc-shaped connecting surface is arranged at the connecting position of the lower side of the protruding module and the slot paper positioning die head.

[0011] The beneficial effects achieved by the above technical solution of the utility model are.

[0012] The utility model discloses a motor slot paper positioning structure mainly comprising a handle and a slot paper positioning die head, the handle is connected with the slot paper positioning die head, a plurality of protruding modules are arranged on the circumference of the slot paper positioning die head, the protruding modules are matched with the stator slot type, do not affect the stator core and the enameled wire, embed the slot paper of protruding core into the stator slot, make the slot paper complete embedding into the stator slot, the material of the slot paper positioning die head is 45 steel, resistant to wear and rust, and the handle is knurled to increase friction and prevent falling off for easy use, suitable for motor production operation, improve motor productivity and quality, the original manual secondary processing of protruding slot paper is now replaced by the slot paper positioning tool, which is once and for all, and greatly improves the production efficiency. ACCURACY OF DRAWINGS

[0013] Figure 1 It is a handle structure schematic view of the utility model.

[0014] Figure 2 It is a slot paper positioning die head structure schematic view of the utility model.

[0015] Figure 3 It is a slot paper positioning die head structure schematic view of the utility model.

[0016] Figure 4 It is Figure 3 the I partial enlarged view.

[0017] Figure 5 The utility model discloses a slot paper positioning die structure schematic diagram.

[0018] Figure 6 For Figure 5 The II partial close -up drawing.

[0019] Mark explanation: 1, handle 1-1, outer thread connector 2, slot paper positioning die 2-1, inner thread hole 2-2, convex module 2-21, oval chamfer one 2-22, oval chamfer two 2-3, groove 2-4, arc connecting surface. Specific embodiments

[0020] In the description of the utility model, it is explained that for the direction word, if the term "center", "transverse", "vertical", "length", "width", "thickness", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise" and the like indicate the orientation and positional relationship based on the orientation or positional relationship shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicating or implying that the device or element indicated must have a particular orientation, a particular orientation and operation, and can not be understood as limiting the specific protection scope of the utility model.

[0021] In addition, if the terms "first", "second" are only used for the purpose of description, and can not be understood as indicating or implying relative importance or implicitly indicating the number of technical features. Therefore, the "first", "second" feature can be explicitly or implicitly included one or more features, and in the description of the utility model, the meaning of "at least" is one or more, unless otherwise explicitly specified and limited.

[0022] In the utility model, except for another explicit provision and limitation, if the terms "assembly", "connection", "connection" are understood in a broad sense, for example, it can be fixedly connected, and can be detachably connected, or integrally connected, and can be mechanically connected, and can be directly connected, or connected through an intermediate medium, and can be connected in the internal communication of two elements. For ordinary skilled in the art, the specific meaning of the above-mentioned terms in the utility model can be understood according to the specific circumstances.

[0023] In this utility model, unless otherwise specified and limited, "above" or "below" the second feature can include direct contact between the first and second features, or contact between the first and second features through another feature between them. Furthermore, "above," "below," and "over" the second feature includes the first feature being directly above or diagonally above the second feature, or simply indicates that the first feature is at a higher horizontal level than the second feature. "Above," "below," and "under" the second feature includes the first feature being directly below or diagonally below the second feature, or simply indicates that the first feature is at a lower horizontal level than the second feature.

[0024] The specific embodiments of this utility model will be further described below with reference to the accompanying drawings, making the technical solution and beneficial effects of this utility model clearer and more explicit. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0025] like Figures 1-6 As shown, this utility model is a motor slot paper positioning device, including a handle 1 and a slot paper positioning die 2. The end of the slot paper positioning die 2 is provided with an internal threaded hole 2-1, and the end of the handle 1 is provided with an external threaded connector 1-1. The external threaded connector of the handle 1 is inserted into the internal threaded hole 2-1 and threadedly connected to the slot paper positioning die 2. In this embodiment, the slot paper positioning die 2 is made of 45# steel, which is wear-resistant and rust-proof. The surface of the handle 1 is knurled to increase friction, prevent it from falling off, and facilitate use.

[0026] Handle 1 is connected to slotted paper positioning mold head 2. Multiple protruding modules 2-2 are arranged circumferentially on the slotted paper positioning mold head 2. In this embodiment, the slotted paper positioning mold head 2 is cylindrical with a diameter of 70mm. The protruding modules 2-2 are configured as splines, with 36 slots 2-3 distributed circumferentially on the slotted paper positioning mold head 2. An arc-shaped connecting surface 2-4 is provided on the lower side of the protruding modules 2-2 at the connection position with the slotted paper positioning mold head. Elliptical chamfers are provided at both ends of the protruding modules 2-2. One elliptical chamfer 2-21 at one end has a height of 2.1mm and a length of 10mm, while the other elliptical chamfer 2-22 at the other end has a height of 2.1mm and a length of 5mm. The protruding modules match the stator slot shape and do not affect the stator core or enameled wire. The slotted paper protruding from the core is inserted into the stator slot, thus completing the insertion of the slotted paper into the stator slot. In contrast, the original process required manual secondary processing of the protruding grooved paper, which was complicated and had low production efficiency. Now, with the use of grooved paper positioning fixtures, the process is completed in one go, which greatly improves production efficiency and increases the production capacity by 20 units per hour.

[0027] During operation, the slot paper is cut and shaped on the slotter, then the main winding and the auxiliary winding enameled wires are hung on the push bar of the slotter, the slotter is started, the push bar embeds the enameled wires into the stator core, and the slot paper is pushed into the stator slot together with the enameled wires; the slot paper positioning tool is used, and the production efficiency is greatly improved, and the production capacity is increased by 20 sets / hour on the basis of the original.

[0028] Compared with the prior art, the protruding module of the slot paper positioning die matches the stator slot type completely, the protruding module enters the stator slot, and the stator core and the enameled wire are not affected; the design of the die protruding module embeds the slot paper of the protruding core into the stator slot, the slot paper is embedded into the stator slot, the material of the die is 45# steel, is wear-resistant and rust-proof, the handle is knurled, the friction force is increased, and the die is convenient to use and prevents falling off.

[0029] The preferred embodiments of the utility model are described above, and it should be pointed out that, for ordinary skilled persons in the art, without departing from the creative concept of the utility model, a plurality of modifications and improvements can be made, and these all belong to the protection range of the utility model.

Claims

1. An electrical machine slot paper positioning device, characterized by, It includes a handle, a slot paper positioning die head, the handle is connected with the slot paper positioning die head, a plurality of convex modules are arranged on the circumference of the slot paper positioning die head, the convex modules are matched with the stator slot type, and slot paper is embedded into the stator slot.

2. A motor slot paper positioning device according to claim 1, wherein The end of the slot paper positioning die head is provided with an internal thread hole, and an external thread connector is arranged at the end of the handle, the external thread connector is inserted into the internal thread hole and is threadedly connected with the slot paper positioning die head.

3. A motor slot paper positioning device according to claim 1 or 2, wherein The slot paper positioning die head is a steel piece, and the handle is knurled.

4. A device for positioning a slot paper in an electric machine according to claim 1 or 2, characterized in that The convex module is a spline, and an oval chamfer is arranged at the two ends of the convex module.

5. A device for positioning a slot paper in an electric machine according to claim 1 or 2, characterized in that The oval chamfers at the two ends of the convex module are asymmetric structures, one end of the oval chamfer has a height of 2-2.5 mm and a length of 9-12 mm, and the other end of the oval chamfer has a height of 2-2.5 mm and a length of 4-6 mm.

6. A motor slot paper positioning device according to claim 1, wherein The slot paper positioning die head is columnar, has a diameter of 68-72 mm, and the height of the convex module is 2-2.2 mm.

7. A motor slot paper positioning device according to claim 1, wherein An arc connecting surface is arranged at the connecting position of the lower side of the convex module and the slot paper positioning die head.

Citation Information

Patent Citations

  • Automatic stator insulation paper inserting machine

    CN203896146U