Motor stator and rotor punching sheet soft die

Abstract

The utility model discloses a soft die for stator and rotor punching sheets of a motor, which comprises a main die body, a rotor punching position, a rotor composite punching position and a stator composite punching position are sequentially arranged on the main die body, and the stator and the rotor are punched in three steps: firstly, punching rotor sheet holes in the rotor punching position; 2, punching a rotor sheet hole and a rotor sheet blanking at a rotor composite punching position, and punching a rotor sheet hole and a rotor sheet blanking at a stator composite punching position, automatically feeding materials through an automatic feeding machine, setting a fixed step pitch, punching one rotor sheet and one stator sheet every time, and punching the rotor sheet and the stator sheet for one time; products can be taken out through automatic material receiving or manual material taking; through the design of the multi-stage progressive model, a plurality of procedures are completed in one mold, and the product processing turnover is reduced, so that the product quality is ensured, materials can be effectively saved, the material cost is reduced, few waste leftover materials are generated in the processing process, meanwhile, the procedures are completed in the same procedure, and the manpower is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, and particularly relates to a soft mold for motor stator and rotor punching sheets. Background Art

[0002] For the soft mold of the new energy motor iron core, the traditional design is to adopt ordinary compound punching dies. Three to four sets of punching dies are required for a stator and rotor punching sheet of a specification, and three or four punching processes are needed to complete the production. It is time-consuming and laborious, and problems such as inaccurate positioning and deformation are likely to occur during the transfer of semi-finished products. If a high-speed continuous punching die design is adopted, a large investment in molds is required. In case the product needs to be optimized and adjusted, the scrapping or adjustment of the molds will cause great waste. Content of the Utility Model

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, an embodiment of the utility model provides a soft mold for motor stator and rotor punching sheets, which includes a main mold body. A rotor blanking position, a rotor compound blanking position, and a stator compound blanking position are sequentially arranged on the main mold body. The rotor blanking position is used for blanking the holes of the rotor sheet, the rotor compound blanking position is used for blanking the holes of the rotor sheet and blanking the rotor sheet, and the stator compound blanking position is used for blanking the holes of the rotor sheet and blanking the rotor sheet.

[0004] According to some embodiments of the utility model, the main mold body includes an upper mold body and a lower mold body. A rotor sheet hole punch is arranged on the upper mold body, and a rotor sheet hole cavity is arranged on the lower mold body. The rotor sheet hole cavity and the rotor sheet hole punch cooperate to form the rotor blanking position.

[0005] According to some embodiments of the utility model, the upper mold body includes an upper mold frame, an upper backing plate, an upper fixing plate, and an upper stripper plate. The upper backing plate is fixedly installed at the bottom of the upper mold frame, the upper fixing plate is fixedly installed at the bottom of the upper backing plate. A first installation groove is arranged on the upper fixing plate, the rotor sheet hole punch is installed in the first installation groove, and a first through hole is arranged on the upper stripper plate. The rotor sheet hole punch passes through the first through hole.

[0006] According to some embodiments of the utility model, the main mold body includes an upper mold body and a lower mold body. A rotor blanking punch is arranged on the upper mold body, and a rotor blanking cavity is arranged on the lower mold body. The rotor blanking cavity and the rotor blanking punch cooperate to form the rotor compound blanking position.

[0007] According to some embodiments of the present utility model, the upper die body includes an upper die holder, an upper backing plate, an upper fixing plate, and an upper stripper plate. The upper backing plate is fixedly installed at the bottom of the upper die holder, the upper fixing plate is fixedly installed at the bottom of the upper backing plate, a second installation groove is provided on the upper fixing plate, the rotor blanking punch is installed in the second installation groove, a second through hole is provided on the upper stripper plate, and the rotor blanking punch passes through the second through hole.

[0008] According to some embodiments of the present utility model, the main die body includes an upper die body and a lower die body. The upper die body is provided with a stator blanking punch, the lower die body is provided with a stator blanking cavity, and the stator blanking cavity and the stator blanking punch cooperate to form the stator composite blanking position.

[0009] According to some embodiments of the present utility model, the upper die body includes an upper die holder, an upper backing plate, an upper fixing plate, and an upper stripper plate. The upper backing plate is fixedly installed at the bottom of the upper die holder, the upper fixing plate is fixedly installed at the bottom of the upper backing plate, a third installation groove is provided on the upper fixing plate, the stator blanking punch is installed in the third installation groove, a third through hole is provided on the upper stripper plate, and the stator blanking punch passes through the third through hole.

[0010] According to some embodiments of the present utility model, a rotor blanking block is provided on the lower die body.

[0011] According to some embodiments of the present utility model, a stator blanking block is provided on the lower die body.

[0012] According to some embodiments of the present utility model, the upper die body successively includes an upper die holder, an upper backing plate, an upper fixing plate, and an upper stripper plate from top to bottom, and a first guide post is installed on the upper fixing plate;

[0013] The lower die body successively includes a lower die holder, a lower backing plate, and a lower die from bottom to top. A second guide post is installed on the lower backing plate. The first guide post successively passes through the upper stripper plate, the lower die, and the lower backing plate downward, and the second guide post successively passes through the lower die and the upper stripper plate upward.

[0014] The present utility model has at least the following beneficial effects:

[0015] The fixed rotating sheet is stamped in three steps. In the first step, the holes of the rotor sheet are punched at the rotor blanking position. In the second step, the holes of the rotor sheet and the blanking of the rotor sheet are punched at the rotor compound blanking position. In the second step, the holes of the rotor sheet and the blanking of the rotor sheet are punched at the stator compound blanking position. The material is automatically fed through an automatic feeder, and a fixed pitch is set. Each time it is punched, 1 rotor sheet and 1 stator sheet are produced. The products can be taken out by automatic material receiving or manual material taking. Through the design of a multi-stage progressive model, multiple processes are completed in a set of dies, reducing the processing turnover of the products, thus ensuring the product quality, effectively saving materials, reducing the material cost, generating less waste corner materials during the processing, and at the same time, several processes are combined into the same process, reducing the labor force.

[0016] Additional aspects and advantages of the present utility model will be given in part in the following description, will become apparent in part from the following description, or will be understood through the practice of the present utility model. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, wherein:

[0018] Figure 1 is the overall schematic diagram of the embodiment of the present utility model;

[0019] Figure 2 is the overall sectional schematic diagram of the embodiment of the present utility model Figure 1 ;

[0020] Figure 3 is the overall sectional schematic diagram of the embodiment of the present utility model Figure 2 ;

[0021] Figure 4 is the schematic diagram of the upper fixing plate of the embodiment of the present utility model

[0022] Figure 5 is the schematic diagram of the upper stripping plate of the embodiment of the present utility model. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0023] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0024] In the description of the present utility model, it should be understood that for the orientation description, such as the orientation or positional relationship indicated by up, down, front, back, left, right, etc., it is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present utility model.

[0025] In the description of the present utility model, the meaning of "a plurality of" is more than two, and understandings such as greater than, less than, exceeding, etc. do not include the present number. If there is a description of first and second, it is only for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of the indicated technical features or the sequence relationship of the indicated technical features.

[0026] In the description of the present utility model, unless otherwise clearly defined, terms such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present utility model in combination with the specific content of the technical solution.

[0027] Refer to Figure 1 , a soft die for motor stator and rotor punching sheets, including a main die body. On the main die body, there are successively arranged a rotor punching position 101, a rotor compound punching position 102, and a stator compound punching position 103. The rotor punching position 101 is used for punching the holes of the rotor sheets, the rotor compound punching position 102 is used for punching the holes of the rotor sheets and blanking the rotor sheets, and the stator compound punching position 103 is used for punching the holes of the rotor sheets and blanking the rotor sheets.

[0028] The stator and rotor sheets are punched in three steps. In the first step, the holes of the rotor sheets are punched at the rotor punching position 101. In the second step, the holes of the rotor sheets and blanking of the rotor sheets are punched at the rotor compound punching position 102. In the second step, the holes of the rotor sheets and blanking of the rotor sheets are punched at the stator compound punching position 103. The material is automatically fed by an automatic feeder, and a fixed pitch is set. Each time it is punched, 1 rotor sheet and 1 stator sheet are produced. The products can be taken out by automatic material receiving or manual material taking; through the design of a multi-stage progressive die, multiple processes are completed in one die, reducing the product processing turnover, thus ensuring the product quality, effectively saving materials, reducing the material cost, generating less waste corner materials during the processing, and at the same time combining several processes into the same process, reducing the labor force.

[0029] Refer to Figure 2 , 4 , as shown in FIGS. 5, the main die body includes an upper die body 100 and a lower die body 200. The upper die body 100 is provided with a punch 150 for the holes of the rotor sheets, and the lower die body 200 is provided with a cavity 240 for the holes of the rotor sheets. The cavity 240 for the holes of the rotor sheets and the punch 150 for the holes of the rotor sheets cooperate to form the rotor punching position 101.

[0030] Specifically, the upper die body 100 includes an upper die set 110, an upper backing plate 120, an upper fixing plate 130, and an upper stripper plate 140. The bottom of the upper die set 110 is fixedly installed with the upper backing plate 120, the bottom of the upper backing plate 120 is fixedly installed with the upper fixing plate 130. A first installation groove 131 is provided on the upper fixing plate 130, the rotor punching die 150 is installed in the first installation groove 131, a first through hole 141 is provided on the upper stripper plate 140, and the rotor punching die 150 passes through the first through hole 141.

[0031] Refer to Figure 2 、 4 As shown in FIGS. 5, the main die body includes an upper die body 100 and a lower die body 200. The upper die body 100 is provided with a rotor blanking punch 160, the lower die body 200 is provided with a rotor blanking cavity 250, and the rotor blanking cavity 250 and the rotor blanking punch 160 cooperate to form a rotor composite blanking position 102.

[0032] Specifically, the upper die body 100 includes an upper die set 110, an upper backing plate 120, an upper fixing plate 130, and an upper stripper plate 140. The bottom of the upper die set 110 is fixedly installed with the upper backing plate 120, the bottom of the upper backing plate 120 is fixedly installed with the upper fixing plate 130. A second installation groove 132 is provided on the upper fixing plate 130, the rotor blanking punch 160 is installed in the second installation groove 132, a second through hole 142 is provided on the upper stripper plate 140, and the rotor blanking punch 160 passes through the second through hole 142.

[0033] Refer to Figure 2 、 4 As shown in FIGS. 5, the main die body includes an upper die body 100 and a lower die body 200. The upper die body 100 is provided with a stator blanking punch 170, the lower die body 200 is provided with a stator blanking cavity 260, and the stator blanking cavity 260 and the stator blanking punch 170 cooperate to form a stator composite blanking position 103.

[0034] Specifically, the upper die body 100 includes an upper die set 110, an upper backing plate 120, an upper fixing plate 130, and an upper stripper plate 140. The bottom of the upper die set 110 is fixedly installed with the upper backing plate 120, the bottom of the upper backing plate 120 is fixedly installed with the upper fixing plate 130. A third installation groove 133 is provided on the upper fixing plate 130, the stator blanking punch 170 is installed in the third installation groove 133, a third through hole 143 is provided on the upper stripper plate 140, and the stator blanking punch 170 passes through the third through hole 143.

[0035] Specifically, a rotor blanking block 270 is provided on the lower die body 200; a stator blanking block 280 is provided on the lower die body 200.

[0036] Refer to Figure 3As shown, to improve the stability during mold closing, the upper mold body 100 sequentially includes an upper mold base 110, an upper backing plate 120, an upper fixing plate 130, and an upper stripper plate 140 from top to bottom. A first guide pillar 180 is installed on the upper fixing plate 130. The lower mold body 200 sequentially includes a lower mold base 210, a lower backing plate 220, and a lower mold 230 from bottom to top. A second guide pillar 290 is installed on the lower backing plate 220. The first guide pillar 180 sequentially passes downward through the upper stripper plate 140, the lower mold 230, and the lower backing plate 220. The second guide pillar 290 sequentially passes upward through the lower mold 230 and the upper stripper plate 140.

[0037] In the description of this specification, the description with reference to terms such as "some embodiments" or "it is conceivable that" means that the specific features, structures, materials, or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0038] The embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made without departing from the spirit of the present invention within the scope of knowledge possessed by those of ordinary skill in the art to which the present invention pertains.

Claims

1. A motor stator and rotor punching soft mold, characterized in that: The invention comprises a main mold body, on which a rotor punching position (101), a rotor composite punching position (102), and a stator composite punching position (103) are sequentially arranged, wherein the rotor punching position (101) is used for punching rotor sheet holes, the rotor composite punching position (102) is used for punching rotor sheet holes and blanking rotor sheets, and the stator composite punching position (103) is used for punching rotor sheet holes and blanking rotor sheets.

2. A motor stator and rotor punching soft mold according to claim 1, characterized in that: The main mold body comprises an upper mold body (100) and a lower mold body (200); the upper mold body (100) is provided with a rotor sheet hole punch (150); the lower mold body (200) is provided with a rotor sheet hole cavity (240); the rotor sheet hole cavity (240) cooperates with the rotor sheet hole punch (150) to form the rotor punching position (101).

3. A motor stator and rotor punching soft mold according to claim 2, characterized in that: The upper mold body (100) comprises an upper mold frame (110), an upper pad (120), an upper fixed plate (130), and an upper stripping plate (140); the upper pad (120) is fixedly mounted on the bottom of the upper mold frame (110); the upper fixed plate (130) is fixedly mounted on the bottom of the upper pad (120); a first mounting groove (131) is provided on the upper fixed plate (130); the rotor sheet hole punch (150) is installed in the first mounting groove (131); a first through hole (141) is provided on the upper stripping plate (140); the rotor sheet hole punch (150) passes through the first through hole (141).

4. The motor stator and rotor punching soft mold according to claim 1, characterized in that: The main mold body comprises an upper mold body (100) and a lower mold body (200); the upper mold body (100) is provided with a rotor blanking punch (160); the lower mold body (200) is provided with a rotor blanking punch cavity (250); the rotor blanking punch cavity (250) cooperates with the rotor blanking punch (160) to form the rotor composite blanking position (102).

5. The motor stator and rotor punching soft mold according to claim 4, characterized in that: The upper mold body (100) comprises an upper mold frame (110), an upper pad (120), an upper fixed plate (130), and an upper stripping plate (140); the upper pad (120) is fixedly mounted on the bottom of the upper mold frame (110); the upper fixed plate (130) is fixedly mounted on the bottom of the upper pad (120); a second mounting groove (132) is provided on the upper fixed plate (130); the rotor blanking punch (160) is installed in the second mounting groove (132); a second through hole (142) is provided on the upper stripping plate (140); the rotor blanking punch (160) passes through the second through hole (142).

6. The motor stator and rotor punching soft mold according to claim 1, characterized in that: The main mold body comprises an upper mold body (100) and a lower mold body (200); the upper mold body (100) is provided with a stator blanking punch (170); the lower mold body (200) is provided with a stator blanking punch cavity (260); the stator blanking punch cavity (260) cooperates with the stator blanking punch (170) to form the stator composite blanking position (103).

7. The motor stator and rotor punching soft mold according to claim 6, characterized in that: The upper mold body (100) comprises an upper mold frame (110), an upper pad (120), an upper fixed plate (130), and an upper stripping plate (140); the upper pad (120) is fixedly mounted on the bottom of the upper mold frame (110); the upper fixed plate (130) is fixedly mounted on the bottom of the upper pad (120); a third mounting groove (133) is provided on the upper fixed plate (130); the third mounting groove (133) is inserted into the stator blanking punch (170); a third through hole (143) is provided on the upper stripping plate (140); the stator blanking punch (170) passes through the third through hole (143).

8. The motor stator and rotor punching soft mold according to claim 4, characterized in that: The lower mold body (200) is provided with a rotor blanking block (270).

9. The motor stator and rotor punching soft mold according to claim 6, characterized in that: The lower mold body (200) is provided with a stator blanking block (280).

10. The motor stator and rotor punching soft mold according to claim 2, characterized in that: The upper mold body (100) comprises, from top to bottom, an upper mold frame (110), an upper pad (120), an upper fixing plate (130), and an upper stripping plate (140), wherein a first guide column (180) is installed on the upper fixing plate (130); The lower mold body (200) includes, from bottom to top, a lower mold frame (210), a lower pad (220), and a lower mold (230); a second guide column (290) is mounted on the lower pad (220); the first guide column (180) passes through the upper stripping plate (140), the lower mold (230), and the lower pad (220) downwards in sequence; and the second guide column (290) passes through the lower mold (230) and the upper stripping plate (140) upwards in sequence.

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