CN211429153U - Hairpin coil forming tool - Google Patents
Hairpin coil forming tool Download PDFInfo
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- CN211429153U CN211429153U CN201920954446.6U CN201920954446U CN211429153U CN 211429153 U CN211429153 U CN 211429153U CN 201920954446 U CN201920954446 U CN 201920954446U CN 211429153 U CN211429153 U CN 211429153U
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Abstract
The utility model provides a be applied to hairpin coil shaping frock in hairpin coil production technical field, coil shaping die (1) a side surface of hairpin coil shaping frock set up die cavity (3), die cavity (3) one end sets up cavity shaping groove face (4), coil shaping terrace die (2) one end sets up terrace die shaping groove face (5), die side I (6) of coil shaping die (1) set up clamp plate I (7), die side II (8) of coil shaping die (1) set up clamp plate II (9), hairpin coil shaping frock, mould structure is simple, can convenient and fast realize hairpin coil compression molding, reduction equipment cost and intensity of labour, raise the efficiency, the required precision is low, satisfies the large batch production demand.
Description
Technical Field
The utility model belongs to the technical field of hairpin coil production, more specifically say, relate to a hairpin coil shaping frock.
Background
The driving motor of the new energy automobile in the modern society is light in weight, high in efficiency and low in cost, so that the driving motor becomes a trend of industry development. In the prior art, hairpin winding motors lead industry trends with their advantages. The hairpin winding motor has the advantages of high slot fullness rate, high efficiency, light weight and lower cost, but the motor has complex process. The coil forming, shaping and bending are complex, the equipment is expensive, more than one hundred million yuan is imported equipment, and domestic equipment starts in millions, so that simple and efficient coil manufacturing equipment and a process method need to be searched, the hairpin forming efficiency and the forming quality of the motor are comprehensively improved, and the production is met.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve is: the forming tool for the hairpin coils is simple in structure, can conveniently and quickly realize compression molding of the hairpin coils, effectively reduces equipment cost and labor intensity, improves efficiency, and meets the requirements of mass production.
To solve the technical problem, the utility model discloses the technical scheme who takes does:
the utility model relates to a hairpin coil shaping frock, hairpin coil shaping frock include coil shaping die, coil shaping terrace die, coil shaping die side surface sets up the die cavity, die cavity one end sets up and is the outside convex cavity shaping groove face that is the V font, coil shaping terrace die one end sets up the outside convex terrace die shaping groove face that is the V font, die side I of coil shaping die sets up clamp plate I, die side II of coil shaping die sets up clamp plate II, clamp plate I sets up to the structure that can extend to the die cavity top position that is close to I one side of die side, clamp plate II sets up to the structure that can extend to the die cavity top position that is close to II one side of die side, coil shaping terrace die sets up to the structure that can the movable mounting in the die cavity of coil shaping die.
When the coil forming male die is movably arranged in the female die cavity of the coil forming female die, the male die forming groove face at one end of the coil forming male die is arranged to be located at a position close to one end of the forming groove face of the female die, and the other end of the coil forming male die is provided with a male die protruding end which can extend to the outside of the female die cavity.
The coil forming female die comprises a female die cavity and a coil forming male die, wherein the female die cavity of the coil forming female die comprises a cavity side face I and a cavity side face II, when the coil forming male die is movably arranged in the female die cavity of the coil forming female die, a structure with a forming gap I is arranged between one side face of the coil forming male die and the cavity side face I, and a structure with a forming gap II is arranged between the other side face of the coil forming male die and the cavity side face II.
When the coil forming male die is movably arranged in the female die cavity of the coil forming female die, a groove surface gap is formed between the cavity forming groove surface of the coil forming female die and the male die forming groove surface of the coil forming male die, and the groove surface gap, the forming gap I and the forming gap II form a hairpin coil forming cavity.
The cavity forming groove surface of the hairpin coil forming tool comprises a cavity forming groove surface pressing surface I and a cavity forming groove surface pressing surface II, and the convex die forming groove surface comprises a convex die forming groove surface pressing surface I and a convex die forming groove surface pressing surface II.
The lower surface of the pressing plate I is provided with a protruding limiting block I, the lower surface of the pressing plate is provided with a protruding limiting block II, when the coil forming male die is movably arranged in a female die cavity of the coil forming female die, the protruding limiting block I is arranged to be a structure capable of being attached to the side face of one side of the coil forming male die, and the protruding limiting block II is arranged to be a structure capable of being attached to the side face of the other side of the coil forming male die.
When the coil forming male die is movably arranged in the female die cavity of the coil forming female die, a cavity forming groove surface pressing surface I of the cavity forming groove surface and a male die forming groove surface pressing surface I of the male die forming groove surface are arranged in parallel, and a cavity forming groove surface pressing surface II of the cavity forming groove surface and a male die forming groove surface pressing surface II of the male die forming groove surface are arranged in parallel.
The pressing plate I is fixedly connected with the die side face I through a plurality of screws, and the pressing plate II is fixedly connected with the die side face II through a plurality of screws.
The utility model discloses still relate to a hairpin coil forming process, hairpin coil forming process's process steps do: 1) movably mounting a coil forming male die in a female die cavity of a coil forming female die 1, fixedly connecting a pressing plate I with a female die side surface I, and fixedly connecting a pressing plate II with a female die side surface II; 2) pulling the coil forming male die to slide relative to the female die cavity of the coil forming female die, so that the male die forming groove surface slides in the direction far away from the cavity forming groove surface; 3) bending and placing a coil processing raw material into a hairpin coil forming cavity, then pushing a coil forming male die to slide relative to a female die concave cavity of a coil forming female die, so that a male die forming groove surface slides in a direction close to a concave cavity forming groove surface until the male die forming groove surface and the concave cavity forming groove surface clamp the coil processing raw material, and forming a V-shaped hairpin coil finished product in the hairpin coil forming cavity; 4) and pulling the coil forming male die to slide relative to the female die cavity of the coil forming female die again, so that the male die forming groove surface slides towards the direction far away from the cavity forming groove surface, and taking out a formed hairpin coil finished product to finish the rapid forming of the hairpin coil.
When the pressing plate I is fixedly connected with the female die side face I, the pressing plate I is fixedly connected with the female die side face I through a plurality of screws, the pressing plate II is fixedly connected with the female die side face II, and the pressing plate II is fixedly connected with the female die side face II through a plurality of screws; and when the male die molding groove surface and the cavity molding groove surface clamp the coil processing raw material, the state of the clamping coil processing raw material is kept for 3-10 s.
Adopt the technical scheme of the utility model, can obtain following beneficial effect:
when the hairpin coil is required to be formed, the coil forming male die is movably arranged in the female die cavity of the coil forming female die, the pressing plate I is fixedly connected with the side surface I of the female die, and the pressing plate II is fixedly connected with the side surface II of the female die; pulling the coil forming male die to slide relative to the female die cavity of the coil forming female die, so that the male die forming groove surface slides in the direction far away from the cavity forming groove surface; bending and placing a coil processing raw material into a hairpin coil forming cavity, then pushing a coil forming male die to slide relative to a female die concave cavity of a coil forming female die, so that a male die forming groove surface slides in a direction close to a concave cavity forming groove surface until the male die forming groove surface and the concave cavity forming groove surface clamp the coil processing raw material, and forming a V-shaped hairpin coil finished product in the hairpin coil forming cavity; and pulling the coil forming male die to slide relative to the female die cavity of the coil forming female die again, so that the male die forming groove surface slides towards the direction far away from the cavity forming groove surface, and taking out a formed hairpin coil finished product to finish the rapid forming of the hairpin coil. Therefore, the forming processing of the hairpin coils can be conveniently completed in batches, the process is simplified, and the cost is reduced. Hairpin coil shaping frock and hairpin coil shaping process method, mould simple structure can convenient and fast realize hairpin coil compression molding, reduction equipment cost and intensity of labour, raise the efficiency, the required precision is low, satisfies mass production demand.
Drawings
The contents of the description and the references in the drawings are briefly described as follows:
fig. 1 is a schematic view of the overall structure of the hairpin coil forming tool of the present invention;
fig. 2 is a schematic view of a partially enlarged structure of a portion a of the hairpin coil forming tool of the present invention;
fig. 3 is a schematic top view of the coil forming die of the hairpin coil forming tool of the present invention;
in the drawings, the reference numbers are respectively: 1. a coil forming female die; 2. a coil forming male die; 3. a concave cavity of the concave die; 4. Forming a groove surface by the concave cavity; 5. forming a groove surface by a male die; 6. a female die side surface I; 7. pressing a plate I; 8. a female die side face II; 9. pressing a plate II; 10. a concave cavity forming groove surface pressing surface I; 11. a concave cavity forming groove surface pressing surface II; 12. A male die forming groove surface pressing surface I; 13. a male die forming groove surface pressing surface II; 14. a protruding limiting block I; 15. A limiting block II is protruded; 16. a concave cavity side face I; 17. a concave cavity side surface II; 18. forming a gap I; 19. a forming gap II; 20. a screw; 21. forming a cavity of the hairpin coil; 22. a slot surface gap; 23. and a convex end of the male die.
Detailed Description
The following description of the embodiments of the present invention will be made in detail with reference to the accompanying drawings, wherein the embodiments of the present invention are described in detail with reference to the accompanying drawings, for example, the shapes, structures, mutual positions and connection relations of the components, the functions and operation principles of the components, and the like:
as shown in the attached drawings 1-3, the utility model relates to a hairpin coil forming tool, which comprises a coil forming female die 1, coil shaping terrace die 2, 1 side surface of coil shaping die sets up die cavity 3, 3 one end settings of die cavity are outside convex cavity shaping groove face 4 that is the V font, 2 one end settings of coil shaping terrace die set up outside convex terrace die shaping groove face 5 that is the V font, die side I6 of coil shaping die 1 sets up clamp plate I7, die side II 8 of coil shaping die 1 sets up clamp plate II 9, clamp plate I7 sets up to the structure that can extend to the 3 top positions of die cavity that are close to die side I6 one side, clamp plate II 9 sets up to the structure that can extend to the 3 top positions of die cavity that are close to die side II 8 one side, coil shaping terrace die 2 sets up to the structure that can movable mounting in die cavity 3 of coil shaping die 1. According to the structure, when the hairpin coil is required to be formed, the coil forming male die 2 is movably arranged in the female die cavity 3 of the coil forming female die 1, the pressing plate I7 is fixedly connected with the side surface I6 of the female die, and the pressing plate II 9 is fixedly connected with the side surface II 8 of the female die; pulling the coil forming male die 2 to slide relative to the female die cavity 3 of the coil forming female die 1, so that the male die forming groove surface 5 slides in a direction away from the cavity forming groove surface 4; bending a coil processing raw material and placing the coil processing raw material into a hairpin coil forming cavity 21, then pushing a coil forming male die 2 to slide relative to a female die cavity 3 of a coil forming female die 1, so that a male die forming groove surface 5 slides towards a direction close to a cavity forming groove surface 4 until the male die forming groove surface 5 and the cavity forming groove surface 4 clamp the coil processing raw material, and forming the hairpin coil forming cavity 21 into a V-shaped hairpin coil finished product; and pulling the coil forming male die 2 to slide relative to the female die cavity 3 of the coil forming female die 1 again, so that the male die forming groove surface 5 slides in the direction away from the female die forming groove surface 4, taking out a formed hairpin coil finished product, and finishing the rapid forming of the hairpin coil. Therefore, the forming processing of the hairpin coils can be conveniently completed in batches, the process is effectively simplified, and the cost is reduced. Hairpin coil shaping frock, simple structure can convenient and fast realize hairpin coil compression molding, effectively reduce equipment cost and intensity of labour, raise the efficiency, satisfy mass production demand.
When the coil forming male die 2 is movably arranged in the female die cavity 3 of the coil forming female die 1, the male die forming groove surface 5 at one end of the coil forming male die 2 is arranged to be located at a position close to one end of the female die forming groove surface 4, and the other end of the coil forming male die 2 is provided with a male die protruding end 23 which can extend to the outside of the female die cavity 3. Above-mentioned structure, terrace die shaping groove face 5 is close to 4 one ends of cavity shaping groove face for when promoting coil shaping terrace die, the terrace die shaping groove face of terrace die can make things convenient for the die shaping groove face cooperation of reliable region die, and the application of force is on the coil former material, accomplishes hairpin coil's compression molding. And the convex mould protrudes, so that the convex mould can be reliably operated to move.
Coil forming die 1's die cavity 3 include cavity side I16 and cavity side II 17, when coil forming terrace die 2 movable mounting was in coil forming die 1's die cavity 3, set up to have the structure of shaping clearance I18 between coil forming terrace die 2 one side and the cavity side I16, set up to have the structure of shaping clearance II 19 between coil forming terrace die 2 opposite side and the cavity side II 17. When the coil forming male die 2 is movably arranged in the female die cavity 3 of the coil forming female die 1, a groove surface gap 22 is formed between the cavity forming groove surface 4 of the coil forming female die 1 and the male die forming groove surface 5 of the coil forming male die 2, and the groove surface gap 22, the forming gap I18 and the forming gap II 19 form a hairpin coil forming cavity 21. According to the structure, the groove face gap 22, the forming gap I18 and the forming gap II 19 form the hairpin coil forming cavity 21, and the hairpin coil forming cavity 21 is of the V-shaped structure, so that as long as an operator controls the male die to move relative to the female die, then the coil raw material is placed in the hairpin coil forming cavity, then the female die is pushed to move relative to the male die, force can be applied to the coil raw material, and the extruded coil raw material is conveniently formed into the V-shaped hairpin coil meeting the requirements.
The cavity forming groove surface 4 of the hairpin coil forming tool comprises a cavity forming groove surface pressing surface I10 and a cavity forming groove surface pressing surface II 11, and the male die forming groove surface 5 comprises a male die forming groove surface pressing surface I12 and a male die forming groove surface pressing surface II 13. In the structure, the shape of the concave cavity forming groove surface is matched with that of the convex mould forming groove surface 5 to form a groove surface gap 22, and a V-shaped structure at the front end of the coil is formed in an extrusion mode. And the two sides of the coil are pressed and formed through a forming gap I18 and a forming gap II 19, and the two sides of the coil are ensured to be in a parallel state after being formed.
The lower surface of the pressing plate I7 is provided with a protruding limiting block I14, the lower surface of the pressing plate II 9 is provided with a protruding limiting block II 15, when the coil forming male die 2 is movably arranged in the female die cavity 3 of the coil forming female die 1, the protruding limiting block I14 is arranged to be a structure capable of being attached to the side face of one side of the coil forming male die 2, and the protruding limiting block II 15 is arranged to be a structure capable of being attached to the side face of the other side of the coil forming male die 2. Above-mentioned structure, clamp plate I7 and the installation back of clamp plate II 9 form spacingly to the terrace die, avoid the terrace die to break away from the die cavity. And the protruding limiting block I14 and the protruding limiting block II 15 limit the two sides of the male die, so that the sizes of the forming gap I18 and the forming gap II 19 are ensured to be within a required range, and the coil forming is effectively realized. After the pressing plate I7 is installed, the part above the part forming gap I18 is shielded, and after the pressing plate II 9 is installed, the part above the part forming gap II 19 is shielded, so that the side flanging of the coil in the forming process is prevented.
When the coil forming male die 2 is movably arranged in the female die cavity 3 of the coil forming female die 1, the cavity forming groove surface pressing surface I10 of the cavity forming groove surface 4 and the male die forming groove surface pressing surface I12 of the male die forming groove surface 5 are arranged in parallel, and the cavity forming groove surface pressing surface II 11 of the cavity forming groove surface 4 and the male die forming groove surface pressing surface II 13 of the male die forming groove surface 5 are arranged in parallel. The pressing plate I7 is fixedly connected with the female die side face I6 through a plurality of screws 20, and the pressing plate II 9 is fixedly connected with the female die side face II 8 through a plurality of screws 20. Above-mentioned structure, clamp plate I7 and clamp plate II 9 can be easy to assemble and dismantle to change not unidimensional terrace die and die cooperation, make the mould can process different model coils. The utility model discloses in, coil shaping die can fixed mounting on the mesa, sets up a telescopic cylinder again on the mesa, and coil shaping terrace die 2's terrace die protrusion end is connected with telescopic cylinder, and telescopic cylinder's flexible formation can set up, like this, can realize that the terrace die keeps the dynamics unanimous at every turn for the gliding automatic control of die to equidirectional, further reduces artifical intensity of labour.
The utility model discloses still relate to a hairpin coil forming process, hairpin coil forming process's process steps do: 1) movably mounting a coil forming male die 2 in a female die cavity 3 of a coil forming female die 1, fixedly connecting a pressing plate I7 with a female die side surface I6, and fixedly connecting a pressing plate II 9 with a female die side surface II 8; 2) pulling the coil forming male die 2 to slide relative to the female die cavity 3 of the coil forming female die 1, so that the male die forming groove surface 5 slides in a direction away from the cavity forming groove surface 4; 3) bending a coil processing raw material and placing the coil processing raw material into a hairpin coil forming cavity 21, then pushing a coil forming male die 2 to slide relative to a female die cavity 3 of a coil forming female die 1, so that a male die forming groove surface 5 slides towards a direction close to a cavity forming groove surface 4 until the male die forming groove surface 5 and the cavity forming groove surface 4 clamp the coil processing raw material, and forming the hairpin coil forming cavity 21 into a V-shaped hairpin coil finished product; 4) and pulling the coil forming male die 2 to slide relative to the female die cavity 3 of the coil forming female die 1 again, so that the male die forming groove surface 5 slides in the direction away from the female die forming groove surface 4, taking out a formed hairpin coil finished product, and finishing the rapid forming of the hairpin coil. When the pressing plate I7 is fixedly connected with the female die side face I6, the pressing plate I7 is fixedly connected with the female die side face I6 through a plurality of screws 20, the pressing plate II 9 is fixedly connected with the female die side face II 8, and the pressing plate II 9 is fixedly connected with the female die side face II 8 through a plurality of screws 20; and when the male die forming groove surface 5 and the cavity forming groove surface 4 clamp the coil processing raw material, the state of the clamped coil processing raw material is kept for 3-10 s. Thus, the coil compression molding is conveniently and quickly realized.
When the hairpin coil is required to be formed, the coil forming male die is movably arranged in the female die cavity of the coil forming female die, the pressing plate I is fixedly connected with the side surface I of the female die, and the pressing plate II is fixedly connected with the side surface II of the female die; pulling the coil forming male die to slide relative to the female die cavity of the coil forming female die, so that the male die forming groove surface slides in the direction far away from the cavity forming groove surface; bending and placing a coil processing raw material into a hairpin coil forming cavity, then pushing a coil forming male die to slide relative to a female die concave cavity of a coil forming female die, so that a male die forming groove surface slides in a direction close to a concave cavity forming groove surface until the male die forming groove surface and the concave cavity forming groove surface clamp the coil processing raw material, and forming a V-shaped hairpin coil finished product in the hairpin coil forming cavity; and pulling the coil forming male die to slide relative to the female die cavity of the coil forming female die again, so that the male die forming groove surface slides towards the direction far away from the cavity forming groove surface, and taking out a formed hairpin coil finished product to finish the rapid forming of the hairpin coil. Therefore, the forming processing of the hairpin coils can be conveniently completed in batches, the process is simplified, and the cost is reduced. Hairpin coil shaping frock and hairpin coil shaping process method, mould simple structure can convenient and fast realize hairpin coil compression molding, reduction equipment cost and intensity of labour, raise the efficiency, the required precision is low, satisfies mass production demand.
The present invention has been described in detail with reference to the accompanying drawings, and it is obvious that the present invention is not limited by the above embodiments, and the present invention can be implemented in various ways without modification, and the present invention is not limited by the above embodiments.
Claims (8)
1. The utility model provides a hairpin coil shaping frock which characterized in that: the hairpin coil forming tool comprises a coil forming female die (1) and a coil forming male die (2), wherein a female die cavity (3) is arranged on one side surface of the coil forming female die (1), a V-shaped cavity forming groove surface (4) protruding outwards is arranged at one end of the female die cavity (3), a V-shaped male die forming groove surface (5) protruding outwards is arranged at one end of the coil forming male die (2), a pressing plate I (7) is arranged on a female die side surface I (6) of the coil forming female die (1), a pressing plate II (9) is arranged on a female die side surface II (8) of the coil forming female die (1), the pressing plate I (7) is arranged to be of a structure capable of extending to a position above the female die cavity (3) close to one side of the female die side surface I (6), and the pressing plate II (9) is arranged to be of a structure capable of extending to a position above the female die cavity, the coil forming male die (2) is arranged into a structure which can be movably arranged in a female die concave cavity (3) of the coil forming female die (1).
2. The hairpin coil forming tool of claim 1, wherein: coil shaping terrace die (2) movable mounting when in the die cavity (3) of coil shaping die (1), the terrace die shaping capping (5) of coil shaping terrace die (2) one end sets up to be located the structure that is close to cavity shaping capping (4) one end position, coil shaping terrace die (2) other end sets up terrace die protrusion end (23) that can extend to die cavity (3) outside.
3. The hairpin coil forming tool of claim 2, wherein: coil forming die's (1) die cavity (3) include cavity side I (16) and cavity side II (17), when coil forming terrace die (2) movable mounting is in coil forming die's (1) die cavity (3), set up the structure that has shaping clearance I (18) between coil forming terrace die (2) one side and cavity side I (16), set up the structure that has shaping clearance II (19) between coil forming terrace die (2) opposite side and cavity side II (17).
4. The hairpin coil forming tool of claim 2 or 3, wherein: when the coil forming male die (2) is movably arranged in the female die cavity (3) of the coil forming female die (1), a groove surface gap (22) is formed between the cavity forming groove surface (4) of the coil forming female die (1) and the male die forming groove surface (5) of the coil forming male die (2), and the groove surface gap (22), the forming gap I (18) and the forming gap II (19) form a hairpin coil forming cavity (21).
5. The hairpin coil forming tool of claim 2 or 3, wherein: the cavity forming groove surface (4) of the hairpin coil forming tool comprises a cavity forming groove surface pressing surface I (10) and a cavity forming groove surface pressing surface II (11), and the male die forming groove surface (5) comprises a male die forming groove surface pressing surface I (12) and a male die forming groove surface pressing surface II (13).
6. The hairpin coil forming tool of claim 2 or 3, wherein: the lower surface of the pressing plate I (7) is provided with a protruding limiting block I (14), the lower surface of the pressing plate II (9) is provided with a protruding limiting block II (15), the coil forming male die (2) is movably arranged in a female die cavity (3) of the coil forming female die (1), the protruding limiting block I (14) is arranged to be a structure capable of being attached to the side face of one side of the coil forming male die (2), and the protruding limiting block II (15) is arranged to be a structure capable of being attached to the side face of the other side of the coil forming male die (2).
7. The hairpin coil forming tool of claim 2 or 3, wherein: coil shaping terrace die (2) movable mounting when in the die cavity (3) of coil shaping die (1), the cavity shaping trough surface of cavity shaping trough surface (4) is pressed face I (10) and the terrace die shaping trough surface of terrace die shaping trough surface (5) and is pressed face I (12) and set up to parallel arrangement's structure, the cavity shaping trough surface of cavity shaping trough surface (4) is pressed face II (11) and the terrace die shaping trough surface of terrace die shaping trough surface (5) is pressed face II (13) and is set up to parallel arrangement's structure.
8. The hairpin coil forming tool according to claim 1 or 2, characterized in that: the pressing plate I (7) is fixedly connected with the female die side face I (6) through a plurality of screws (20), and the pressing plate II (9) is fixedly connected with the female die side face II (8) through a plurality of screws (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920954446.6U CN211429153U (en) | 2019-06-24 | 2019-06-24 | Hairpin coil forming tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920954446.6U CN211429153U (en) | 2019-06-24 | 2019-06-24 | Hairpin coil forming tool |
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| Publication Number | Publication Date |
|---|---|
| CN211429153U true CN211429153U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920954446.6U Active CN211429153U (en) | 2019-06-24 | 2019-06-24 | Hairpin coil forming tool |
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| CN (1) | CN211429153U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149035A (en) * | 2019-06-24 | 2019-08-20 | 安徽鸿创新能源动力有限公司 | A kind of hair fastener coil molding mold and hair fastener coil molding process |
| CN113078783A (en) * | 2021-03-09 | 2021-07-06 | 哈尔滨工业大学 | Hairpin winding forming device for electric automobile driving motor |
-
2019
- 2019-06-24 CN CN201920954446.6U patent/CN211429153U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110149035A (en) * | 2019-06-24 | 2019-08-20 | 安徽鸿创新能源动力有限公司 | A kind of hair fastener coil molding mold and hair fastener coil molding process |
| CN113078783A (en) * | 2021-03-09 | 2021-07-06 | 哈尔滨工业大学 | Hairpin winding forming device for electric automobile driving motor |
| CN113078783B (en) * | 2021-03-09 | 2022-03-29 | 哈尔滨工业大学 | Hairpin winding forming device for electric automobile driving motor |
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