Novel stator press pressurizing tool

By designing a stator press press fixture, using a stripper plate and unloading spring to automatically eject the stator core, combined with a guide assembly and positioning ring column, the complex problem of removing the stator core after pressurization was solved, improving production efficiency and accuracy.

CN223713783UActive Publication Date: 2025-12-23无锡隆盛新能源科技有限公司
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520468311.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-18
Publication Date
2025-12-23
Estimated Expiration
2035-03-18

AI Technical Summary

Technical Problem

In the current stator core production process, the operation of removing silicon steel laminations after pressurization is complicated, resulting in a heavy workload for workers and affecting production efficiency.

Method used

A stator press press fixture was designed, comprising a stripper plate, a stripper spring, a guide assembly, and a positioning bar. The stripper spring automatically ejects the stator core, and the guide assembly and positioning ring ensure that the stator core is subjected to uniform and accurate force during the pressurization process.

Benefits of technology

This enables rapid removal of the stator core, reduces worker workload, improves production efficiency, and ensures the accuracy and uniformity of the pressurization process.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223713783U_ABST
    Figure CN223713783U_ABST
Patent Text Reader

Abstract

The utility model discloses a novel stator pressing machine pressurizing tool which comprises an upper pressurizing plate connected with a pressing machine pressing head and a bottom plate installed on a pressing machine base, a lower base is installed on the bottom plate, and a detachable transition plate is installed on the lower base. A stripper plate used for placing a stator core is mounted between the transition plate and the upper pressurizing plate, and an unloading spring convenient for quickly taking down the stator core after pressurization is mounted between the stripper plate and the transition plate; a guide assembly playing a guiding role is further arranged between the stripper plate and the transition plate. According to the utility model, the stripper plate for placing the stator core laminations and the unloading spring are arranged, so that after the laminations are pressurized by the pressing machine, the compacted stator core can be driven by the unloading spring to be automatically ejected out of the lamination stacking area enclosed by the limiting columns, thus products can be quickly taken down, the operation amount of workers in the material taking process is reduced, and the production efficiency is improved. Operation is convenient, and efficiency is high.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to stator production equipment technical field, concretely relates to a novel stator press pressurizing tool. BACKGROUND

[0002] The silicon steel sheet for producing the stator core has a buckle point, so that the silicon steel sheet stacked together to form a column structure needs to be pressed by a press before welding in the production process of the stator core, so as to meet the production requirement of the motor stator core, the stator core made by stacking and pressing has close contact between the silicon steel sheets inside, reduces the magnetic leakage phenomenon of the material inside, so as to effectively reduce the iron loss and prolong the service life of the motor.

[0003] However, when the silicon steel sheet is pressed, the silicon steel sheet needs to be manually put into the press first, since the vertical groove is formed on the outer side of the sheet, the outer periphery of the sheet is usually limited by a plurality of limiting columns uniformly distributed on the same circumference, so that the sheet can be accurately stacked, but after the press is pressed, the stator core is taken out, the operation is complex, and the stator core pressed in the limiting column needs to be manually picked out, so that the overall workload is large. SUMMARY

[0004] The utility model needs to solve the technical problem to provide a novel stator press pressurizing tool, can reduce the stator core pressurizing process operation worker's workload, convenient for taking out the stator core after pressurizing, improve production efficiency.

[0005] To solve the above technical problems, the technical scheme adopted by the utility model is as follows.

[0006] A novel stator press pressurizing tool, including the upper pressurizing plate connected with the press head and the bottom plate installed on the press base, the lower base is installed on the bottom plate, and the detachable transition plate is installed on the lower base;The stripper plate for placing the stator core is installed between the transition plate and the upper pressurizing plate, the stripper plate and the transition plate are installed between the stripper plate and the transition plate, and the stripper plate is installed between the stripper plate and the transition plate;The discharging spring is convenient for quickly taking out the stator core after pressurizing;The guide assembly for guiding is arranged between the stripper plate and the transition plate.

[0007] The above-mentioned novel stator press pressurizing tool, the guide assembly includes guide sleeves arranged on the four corners of the stripper plate and guide columns installed on the four corners of the transition plate, the top end of the guide column is inserted into the corresponding guide sleeve and is connected with the guide sleeve in sliding connection;The upper pressurizing plate is provided with a through hole for the guide column to pass through.

[0008] The above-mentioned novel stator press pressurizing tool, the number of discharging springs is 8 and is evenly distributed around the center of the stator core in a circular manner.

[0009] The novel stator press machine pressing tool has the following technical effects.

[0010] The novel stator press machine pressing tool has the following technical effects.

[0011] The novel stator press machine pressing tool has the following technical effects.

[0012] The novel stator press machine pressing tool has the following technical effects.

[0013] The novel stator press machine pressing tool has the following technical effects.

[0014] The novel stator press machine pressing tool has the following technical effects. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 The novel stator press machine pressing tool has the following technical effects.

[0016] Fig. 2 The novel stator press machine pressing tool has the following technical effects.

[0017] Fig. 3 The novel stator press machine pressing tool has the following technical effects.

[0018] Wherein: 1. upper pressing plate, 2. stripping plate, 3. transition plate, 4. lower base, 5. bottom plate, 6. stator core, 7. inner diameter positioning ring column, 8. positioning through bar, 9. guide sleeve, 10. guide column, 11. stripping spring, 12. through slot, 13. wire slot, 14. center hole. DETAILED DESCRIPTION

[0019] The utility model will be further explained in detail in combination with the drawings and specific embodiments.

[0020] A novel stator presser tool, as shown in the drawings, Figs. 1 to 3 It comprises an upper pressing plate 1 connected with a press head and a bottom plate 5 installed on a press base, the bottom plate 5 is installed with a lower base 4, the lower base 4 is installed with a detachable transition plate 3, the transition plate 3 is installed with a stripping plate 2 for placing a stator core 6 between the upper pressing plate 1, the stripping plate 2 is installed with a stripping spring 11 for facilitating the quick removal of the stator core after pressing between the transition plate 3, and a guide assembly is arranged between the stripping plate 2 and the transition plate 3 for guiding.

[0021] The number of stripping springs 11 is eight, which are evenly distributed in a circular shape around the center of the stator core 6, ensuring that the stripping plate 2 is uniformly stressed during pressing.

[0022] The guide assembly comprises guide sleeves 9 arranged on the four corners of the stripping plate 2 and guide columns 10 installed on the four corners of the transition plate 3, the top end of the guide column 10 is inserted into the corresponding guide sleeve 9 and is in sliding connection with the guide sleeve 9, and the upper pressing plate 1 is also provided with through holes for the guide column 10 to pass through, facilitating the guiding of the stator core during pressing and ensuring that the stator core is uniformly stressed.

[0023] The transition plate 3 is installed with six positioning through bars 8 arranged in a circular shape, the center of the circular structure enclosed by the positioning through bars 8 is coaxially aligned with the center of the stator core 6, the positioning through bars 8 are in sliding connection with the wire slots 13 on the inner side of the stator core 6, and the top end of the positioning through bars 8 penetrates and extends out of the top of the stripping plate 2.

[0024] The positioning through bars 8 are in sliding connection with the upper pressing plate 1, the upper pressing plate 1 is provided with through slots 12 for the positioning through bars 8 to pass through, which can ensure that the positioning through bars can pass through the upper pressing plate during pressing, so that the upper pressing plate can exert pressure on the stator core, ensuring that the stator core is compacted by the press.

[0025] The center of the transition plate 3 is provided with an inner diameter positioning ring column 7 in sliding connection with the center hole of the stator core 6, the outer diameter of the inner diameter positioning ring column 7 is equal to the inner diameter of the stator core 6, the inner diameter positioning ring column 7 is in interference fit with the positioning through bars 8, and the cooperation between the inner diameter positioning ring column 7 and the positioning through bars 8 ensures the concentricity of the stator core laminations.

[0026] The center of the stripper plate 2 is provided with an inner diameter hole for the inner diameter positioning ring column 7 to pass through, and the size of the inner diameter hole is equal to the size of the inner diameter of the stator core 6.

[0027] The center of the upper pressing plate 1 is provided with a center hole 14, the diameter of the center hole 14 is smaller than the outer diameter of the stator core 6 and larger than the inner diameter of the stator core 6, which facilitates the inner diameter positioning ring column 7 to pass through the center hole 14 during pressing, thereby ensuring that the inner diameter positioning ring column 7 limits the inner diameter side wall of the stator core 6.

[0028] During use, the upper pressing plate 1 is connected with the pressing head of the press, then the lower base 4 is installed on the bottom plate 5, the transition plate 3 is installed on the lower base 4, then the guide sleeve of the stripper plate 2 is corresponded with the guide column of the transition plate, the upper end of the guide column 10 is inserted into the guide sleeve 9, and meanwhile, the eight unloading springs 11 are installed between the stripper plate 2 and the transition plate 3, so that the assembly of the pressing tool is completed.

[0029] Then, the pressing tool is installed on the press base by the crane, and the bottom plate 5 is locked with the press base by screws.

[0030] Then, the stator core laminations are placed on the stripper plate 2, and the inner side wire slot 13 and the inner center hole of the stator core are limited by the positioning through bar 8 and the inner diameter positioning ring column 7, the press is started, the upper pressing plate 1 is driven to move downward, the stator core 6 is pressed, the positioning through bar 8 and the inner diameter positioning ring column 7 limit the wire slot and the center hole on the stator core respectively, the coaxiality of the stator core is ensured, and stable pressing is realized.

[0031] After pressing is completed, the upper pressing plate 1 is moved upward by the pressing head, the stator core 6 is pushed upward and separated from the limiting of the positioning through bar by the stripper plate 2 driven by the unloading spring 11, so that the pressed stator core can be quickly taken out.

[0032] The novel stator press pressing tool provided by the utility model, through setting the stripper plate for placing the stator core laminations and the unloading spring, after the press presses the laminations, the pressed stator core can be automatically pushed out under the driving of the unloading spring, so that the product can be quickly taken out, the outer peripheral side of the stator core is not limited, the operation is flexible and convenient when the pressed stator core is taken out, the operation amount of workers in the taking process is reduced, the operation is convenient and efficient, meanwhile, the stripper plate is guided through the guide assembly, the stator core is prevented from being unevenly stressed during pressing due to uneven stress of the stripper plate, and through the cooperation of the positioning through bar and the inner diameter positioning ring column, the laminations on the stator core can be prevented from being displaced during pressing, the pressing efficiency of the stator core is higher, and the accuracy can be ensured.

Claims

1. A novel stator press press fixture, characterized in that: It includes an upper pressure plate (1) connected to the press head and a base plate (5) installed on the press base. A lower base (4) is installed on the base plate (5) and a detachable transition plate (3) is installed on the lower base (4). A stripping plate (2) for placing the stator core (6) is installed between the transition plate (3) and the upper pressure plate (1). A discharge spring (11) for quickly removing the stator core after pressurization is installed between the stripping plate (2) and the transition plate (3). A guide component for guiding is also provided between the stripping plate (2) and the transition plate (3).

2. The novel stator press press fixture according to claim 1, characterized in that: The guiding assembly includes guide sleeves (9) set on the four corners of the stripping plate (2) and guide posts (10) installed on the four corners of the transition plate (3). The top of the guide post (10) is inserted upward into the corresponding guide sleeve (9) and slidably connected with the guide sleeve (9). The upper pressure plate (1) has through holes for the guide post (10) to pass through.

3. The novel stator press press fixture according to claim 1, characterized in that: The number of unloading springs (11) is 8, and they are evenly distributed in a circular shape around the center of the stator core (6).

4. The novel stator press press fixture according to claim 1, characterized in that: The center of the transition plate (3) is provided with an inner diameter positioning ring (7) that is slidably connected to the central through hole of the stator core (6); the center of the stripper plate (2) is provided with an inner diameter hole through which the inner diameter positioning ring (7) passes, and the diameter of the inner diameter hole is equal to the inner diameter of the stator core (6).

5. A novel stator press press fixture according to claim 4, characterized in that: The upper pressure plate (1) has a central hole (14) through which the inner diameter positioning ring column (7) passes when pressurizing. The diameter of the central hole (14) is smaller than the outer diameter of the stator core (6) and larger than the inner diameter of the stator core (6).

6. The novel stator press press fixture according to claim 4, characterized in that: The transition plate (3) is equipped with six positioning bars (8) arranged in a circle and interference fit with the outer wall of the inner diameter positioning ring column (7). The center of the circular structure formed by the positioning bars (8) is coaxially aligned with the center of the stator core (6). The positioning bars (8) are slidably connected to the inner side groove (13) of the stator core (6), and the top of the positioning bars (8) extends through and out of the top of the stripper plate (2).

7. A novel stator press press fixture according to claim 6, characterized in that: The positioning bar (8) is slidably connected to the upper pressure plate (1), and the upper pressure plate (1) has a through slot (12) for the positioning bar (8) to pass through.