Anti-tilting piece tool for commutator pressing die

By designing anti-blank sheet tooling for commutator pressing molds, including transition foot plates, positioning outer rings and positioning needles, the problems of copper sheet inclination and adhesion are solved, and production efficiency and product quality are improved.

CN222756157UActive Publication Date: 2025-04-15HUARUI ELECTRICAL APPLIANCE
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Patent Information

Application Number
CN202421351787.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-14
Publication Date
2025-04-15
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

During the automatic pressing process of the groove-type fully plastic commutator, the copper sheet may tilt or stick, resulting in unqualified products, and increase manual re-inspection and product scrapping.

Method used

An anti-blank piece tooling for commutator pressing molds is designed, including transition foot plates, positioning outer rings and positioning needles. Through the design of the positioning outer ring and positioning needle, ensure that the copper sheet remains vertically during pressing, preventing tilt and sticking.

Benefits of technology

It effectively reduces the changes in the gap between the reversing sheets, improves production efficiency, reduces product scrapping rate, and improves product quality and stability.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an inclined sheet prevention tool for a commutator pressing die, which comprises a transition foot plate, and a transition guide plate and a transition plate are sequentially arranged on the upper side of the transition foot plate; the positioning outer ring is vertically inserted into the middle of the transition foot plate, a plurality of positioning pins are arranged on the outer side wall of the positioning outer ring at intervals in the circumferential direction, and a concave containing groove is formed in the middle of the upper end of the positioning outer ring and used for containing a commutator. According to the utility model, the problem that manual re-inspection is increased or products are scrapped due to inclination of the commutator segments and adhesion of copper between the commutator segments can be solved.
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Description

Technical Field

[0001] The utility model relates to the technical field of commutator processing, in particular to an anti-deflection sheet tooling for a commutator pressing die. Background Art

[0002] In the automatic pressing process of slot-type all-plastic commutator, the correct placement of copper sheets is crucial to ensure the quality and performance of the commutator. The existing automatic pressing mold may cause copper sheet tilting and adhesion during the pressing process, resulting in unqualified products, increased manual re-inspection and product scrapping, and unnecessary waste of labor and material costs. Therefore, an anti-tilting sheet tooling is designed to meet the current processing needs. Utility Model Content

[0003] The utility model provides an anti-inclination piece tooling for a commutator pressing die, which can solve the problem of increased manual re-inspection or product scrapping due to the inclination of commutator pieces and copper sticking between commutator pieces.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an anti-skew plate tooling for a commutator pressing mold, comprising a transition foot plate, the upper side of which is sequentially provided with a transition guide plate and a transition plate; a positioning outer ring, which is vertically inserted in the middle of the transition foot plate, a plurality of positioning pins are arranged on the outer side wall of the positioning outer ring at intervals along the circumferential direction, and an inwardly concave placement groove is arranged in the middle of the upper end of the positioning outer ring, the placement groove is used to place the commutator, which can effectively reduce the change in the gap between the commutator segments, can improve production efficiency, and reduce product scrap rate.

[0005] Preferably, a first mounting hole is provided in the middle of the transition guide plate, which passes through from top to bottom. The inner wall of the first mounting hole is provided with first protrusions corresponding to the positioning pins at intervals along the circumferential direction. The first protrusions are located outside the corresponding positioning pins to make the positioning pins vertical, and the structure is simple.

[0006] Preferably, a second mounting hole penetrating from top to bottom is provided in the middle of the transition plate, and second protrusions corresponding to the positioning pins are provided on the inner wall of the second mounting hole at intervals along the circumferential direction. The second protrusions are located on the outside of the corresponding positioning pins and inserted between adjacent commutation segments, so that the positioning pins are vertical and separate adjacent commutation segments.

[0007] Preferably, a slot matching the positioning pin is provided through the outer side wall of the positioning outer ring, which has a simple structure.

[0008] Preferably, the positioning outer ring is in a step shape, and a mounting hole matching the lower end of the positioning outer ring is provided in the middle of the transition foot plate.

[0009] Preferably, the length of the positioning needle is greater than the length of the positioning outer ring, and the upper end of the positioning needle extends between adjacent commutator segments of the commutator.

[0010] Preferably, a fixing sleeve is provided at the bottom of the positioning outer ring, which is located at the outer periphery of the plurality of positioning pins, and the fixing sleeve is used to further fix the positioning pins.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] It can effectively reduce the change of the gap between the commutator segments, improve production efficiency, reduce product scrap rate, improve product quality and stability, and solve the problem of increased manual re-inspection or product scrapping due to commutator segment tilt and copper sticking between commutator segments. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is an exploded view of the utility model;

[0014] Figure 2 It is a cross-sectional view of the utility model;

[0015] Figure 3 It is a three-dimensional structural diagram of the transition foot plate of the utility model;

[0016] Figure 4 It is a three-dimensional structural diagram of the transition guide plate of the utility model;

[0017] Figure 5 It is a three-dimensional structural diagram of the transition plate of the utility model;

[0018] Figure 6 It is a three-dimensional structural diagram of the positioning outer ring of the utility model.

[0019] Reference numerals:

[0020] 1. Transition foot plate, 11. Mounting hole, 2. Transition guide plate, 21. First mounting hole, 22. First protrusion, 3. Transition plate, 31. Second mounting hole, 32. Second protrusion, 4. Positioning outer ring, 41. Placement groove, 42. Slot, 5. Positioning pin, 6. Commutator, 7. Fixed sleeve. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the accompanying drawings in the embodiments of the present invention.

[0022] like Figure 1-6As shown, the utility model provides the following technical solutions to solve the problems of increased manual re-inspection or product scrapping due to the tilting of commutator segments and the copper sticking between the commutator segments: an anti-skew plate tooling for a commutator pressing mold, comprising a transition foot plate 1, on the upper side of which a transition guide plate 2 and a transition plate 3 are sequentially arranged; a positioning outer ring 4, which is vertically inserted in the middle of the transition foot plate 1, and a plurality of positioning pins 5 are arranged on the outer side wall of the positioning outer ring 4 at intervals in the circumferential direction, and a concave placement groove 41 is arranged in the middle of the upper end of the positioning outer ring 4, and the placement groove 41 is used to place the commutator 6, which can effectively reduce the change in the gap between the commutator segments, improve production efficiency, and reduce product scrap rate.

[0023] In this embodiment, if Figure 4 As shown, a first mounting hole 21 is provided in the middle of the transition guide plate 2 and passes through from top to bottom. The inner wall of the first mounting hole 21 is provided with first protrusions 22 corresponding to the positioning pin 5 at intervals along the circumferential direction. The first protrusion 22 is located on the outer side of the corresponding positioning pin 5 so that the positioning pin 5 is vertical, and the structure is simple.

[0024] In this embodiment, if Figure 5 As shown, a second mounting hole 31 which passes through from top to bottom is provided in the middle of the transition plate 3, and second protrusions 32 corresponding to the positioning pins 5 are provided at intervals along the circumferential direction on the inner wall of the second mounting hole 31, and the second protrusions 32 are located on the outer side of the corresponding positioning pins 5 and inserted between adjacent commutation segments, so that the positioning pins 5 are vertical and separate the adjacent commutation segments.

[0025] In this embodiment, if Figure 6 As shown, a slot 42 matching the positioning pin 5 is provided through the outer wall of the positioning outer ring 4, and the structure is simple.

[0026] In this embodiment, if Figure 3 As shown, the positioning outer ring 4 is in a step shape, and a mounting hole 11 matching the lower end of the positioning outer ring 4 is provided in the middle of the transition foot plate 1 .

[0027] In this embodiment, if Figure 1 As shown, the length of the positioning needle 5 is greater than the length of the positioning outer ring 4, and the upper end of the positioning needle 5 extends between adjacent commutator segments of the commutator 6.

[0028] In this embodiment, if Figure 2 As shown, a fixing sleeve 7 is provided at the bottom of the positioning outer ring 4 and located at the outer periphery of the plurality of positioning pins 5 , and the fixing sleeve 7 is used to further fix the positioning pins 5 .

[0029] In this embodiment, if Figure 1-2As shown, a plurality of positioning pins 5 are arranged at intervals along the circumferential direction on the outer wall of the positioning outer ring 4, which are used to separate the gaps between the commutator segments and prevent the commutator segments from tilting or sticking during the pressing process; the transition guide plate 2 and the transition plate 3 are respectively provided with a first mounting hole 21 and a second mounting hole 31 that pass through from top to bottom in the middle, and the first protrusion 22 and the second protrusion 32 are used to correspond to the positioning pin 5 to ensure the correct position of the second protrusion 32 during the pressing process. The transition foot plate 1 and the transition guide plate 2 as well as the four corners of the transition plate 3 are provided with communicating through holes; a concave placement groove 41 is provided in the middle of the upper end of the positioning outer ring 4 for placing the commutator 6, the positioning outer ring 4 is in a step shape, and a mounting hole 11 matching the lower end of the positioning outer ring 4 is provided in the middle of the transition foot plate 1 for fixing the positioning outer ring 4; the length of the positioning pin 5 is greater than the positioning outer ring The length of the ring 4 is to ensure sufficient insertion depth and stability; the bottom of the positioning outer ring 4 is located at the outer periphery of the multiple positioning pins 5 and a fixing sleeve 7 is provided for further fixing the positioning pins 5; in actual application, the operation steps are as follows: insert the positioning pins 5 into the slots 42, and the fixing sleeves 7 are sleeved on the multiple positioning pins 5 to fix the positioning pins 5 on the positioning outer ring 4, and continue to insert the positioning outer ring 4 into the mounting holes 11 of the transition foot plate 1, and put the commutator 6 into the placement groove 41, and the positioning pins 5 are respectively inserted between adjacent phase-changing pieces; through the transition guide plate 2 and the transition plate 3, they are sleeved on the outer side wall of the positioning outer ring 4, the first protrusion 22 is located on the outer side of the corresponding positioning pin 5, and the second protrusion 32 is located on the outer side of the corresponding positioning pin 5 and inserted between adjacent phase-changing pieces, and the pressing process is carried out. Due to the effect of the anti-tilting piece tooling, the commutator piece will maintain a vertical position to prevent tilting and adhesion.

[0030] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0031] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In the description of the present invention, the meaning of "plurality" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.

[0032] In the present invention, unless otherwise clearly specified and limited, the terms "connection", "fixation", etc. should be understood in a broad sense. For example, "fixation" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements, unless otherwise clearly defined. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0033] In addition, the technical solutions between the various embodiments of the present invention can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

Claims

1. A tooling for preventing deflection of a commutator pressing die, characterized in that: include: A transition foot plate (1), wherein a transition guide plate (2) and a transition plate (3) are sequentially arranged on the upper side of the transition foot plate (1); A positioning outer ring (4) is vertically inserted in the middle of the transition foot plate (1), and a plurality of positioning pins (5) are arranged at intervals along the circumferential direction on the outer wall of the positioning outer ring (4). A concave placement groove (41) is arranged in the middle of the upper end of the positioning outer ring (4), and the placement groove (41) is used to place the commutator (6).

2. The anti-deflection sheet tooling for a commutator pressing die according to claim 1, characterized in that: A first mounting hole (21) extending vertically through the transition guide plate (2) is provided in the middle portion thereof, and first protrusions (22) corresponding to the positioning pins (5) are provided at intervals along the circumferential direction on the inner side wall of the first mounting hole (21).

3. The anti-deflection sheet tooling for a commutator pressing die according to claim 1, characterized in that: A second mounting hole (31) extending vertically through the transition plate (3) is provided in the middle of the transition plate (3), and second protrusions (32) corresponding to the positioning pins (5) are provided at intervals along the circumferential direction on the inner side wall of the second mounting hole (31).

4. The anti-deflection sheet tooling for a commutator pressing die according to claim 1, characterized in that: A slot (42) matching the positioning pin (5) is provided through the outer wall of the positioning outer ring (4).

5. The anti-deflection sheet tooling for a commutator pressing die according to claim 1, characterized in that: The positioning outer ring (4) is in a step shape, and a mounting hole (11) matching the lower end of the positioning outer ring (4) is provided in the middle of the transition foot plate (1).

6. The anti-deflection sheet tooling for a commutator pressing die according to claim 1, characterized in that: The length of the positioning needle (5) is greater than the length of the positioning outer ring (4), and the upper end of the positioning needle (5) extends between adjacent commutator segments of the commutator (6).

7. The anti-deflection sheet tooling for a commutator pressing die according to claim 1, characterized in that: The bottom of the positioning outer ring (4) is located on the outer periphery of the plurality of positioning needles (5) and is provided with a fixing sleeve (7).