CN220295733U - Flat wire 3D forming stamping die and flat wire 3D forming device - Google Patents
Flat wire 3D forming stamping die and flat wire 3D forming device Download PDFInfo
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- CN220295733U CN220295733U CN202321815735.0U CN202321815735U CN220295733U CN 220295733 U CN220295733 U CN 220295733U CN 202321815735 U CN202321815735 U CN 202321815735U CN 220295733 U CN220295733 U CN 220295733U
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- stamping
- flat wire
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- positioning
- die
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- 230000008859 change Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims 7
- 238000007493 shaping process Methods 0.000 claims 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 8
- 238000003754 machining Methods 0.000 abstract description 6
- 238000004080 punching Methods 0.000 description 27
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000009471 action Effects 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Manufacture Of Motors, Generators (AREA)
Abstract
The utility model relates to the technical field of flat wire motor copper wire processing, in particular to a flat wire 3D forming stamping die and a flat wire 3D forming device, comprising a first stamping component and a second stamping component, wherein a processing space is formed between the first stamping component and the second stamping component, and the second stamping component is positioned at the bottom of the first stamping component; according to the flat wire 3D forming stamping die provided by the utility model, the first stamping part can rotate a certain angle under the cooperation of the first rotating pin by adjusting the extending length of the positioning part, the shape of the stamped flat wire is adjusted according to the swinging angle of the die, the shape of the die is prevented from being modified by machining, the shape which is closer to a theoretical value is obtained, the plastic deformation of the flat wire caused by rebound of the machined flat wire is well avoided, and the flat wire is more in line with the requirements of a motor.
Description
Technical Field
The utility model relates to the technical field of flat wire motor copper wire processing, in particular to a flat wire 3D forming stamping die and a flat wire 3D forming device.
Background
Compared with the traditional wound motor, the Hai rpin permanent magnet synchronous motor (also called a hairpin motor) is gradually applied in a large scale in the market of the drive motor, and compared with the traditional wound motor, the Hai rpin permanent magnet synchronous motor has the characteristics of smaller motor volume and higher power under the same power, and is the development direction of the next generation new energy drive motor.
In the copper wire forming process of the hairpin motor, a 3d forming die is required to be used for forming the copper wire.
In the 3D forming process, the flat copper wire generates plastic deformation, and uneven rebound is generated at each part of the formed copper wire due to uneven distribution of the plastic deformation in the flat copper wire. At present, the rebound quantity is mainly realized by adding an empirical value to a die repairing die, which not only wastes time and labor, but also affects the forming precision of the copper wire.
Disclosure of Invention
In order to solve the defects in the prior art, the utility model provides a flat wire 3D forming stamping die which comprises a first stamping component and a second stamping component, wherein a processing space is formed between the first stamping component and the second stamping component, and the second stamping component is positioned at the bottom of the first stamping component;
the first stamping assembly comprises a first bottom plate, a first locating plate, a first stamping part, a first rotating pin and a first locating assembly, wherein the first bottom plate and the first locating plate form a first containing space for containing the first stamping part, the first locating assembly is propped against the top of the first stamping part, and the first stamping part is controlled to rotate around the first rotating pin by a preset angle.
Further, the first positioning component comprises a positioning piece and a through groove formed in the first bottom plate, and the positioning piece passes through the through groove and abuts against the top of the first stamping part.
Further, the first positioning assembly is at a first preset distance from the center of the first stamping part.
Further, the first positioning components are arranged in two groups and are symmetrically arranged around the center of the first stamping part.
Further, the second punching assembly comprises a second bottom plate, a second positioning plate, a second punching part and a second rotating pin, and the second bottom plate and the second positioning plate form a second accommodating space for accommodating the second punching part.
Further, the second punching component further comprises a second positioning component, the top end of the second positioning component is propped against the bottom of the second punching component, and the second punching component rotates around the second rotating pin under the action force of the first punching component to control the height change of the second positioning component, so that the distance between the second punching component and the second bottom plate is controlled.
Further, the second positioning assembly comprises an elastic piece and a mounting groove formed in the first bottom plate, and the top end of the elastic piece abuts against the bottom of the second stamping piece.
Further, the second positioning assembly is a second preset distance away from the center of the second stamping part.
The utility model also provides a flat wire 3D forming device, which comprises the flat wire 3D forming stamping die according to any embodiment
Based on the above, compared with the prior art, the 3D forming stamping die for the flat wire provided by the utility model has the advantages that the first stamping part can rotate a certain angle under the cooperation of the first rotating pin by adjusting the extending length of the positioning part, the shape of the stamped flat wire is prevented from being adjusted by machining and modifying according to the swinging angle of the die, the shape of the flat wire is obtained to be closer to the theoretical value, and the plastic deformation of the flat wire caused by rebound of the machined flat wire is well avoided, so that the flat wire meets the requirements of a motor.
Additional features and advantages of the utility model will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model. The objectives and other advantages of the utility model will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
For a clearer description of embodiments of the utility model or of the solutions of the prior art, the drawings that are needed in the description of the embodiments or of the prior art will be briefly described, it being obvious that the drawings in the description below are some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art; the positional relationships described in the drawings in the following description are based on the orientation of the elements shown in the drawings unless otherwise specified.
Fig. 1 is a cross-sectional view of a 3D press forming die according to the prior art when not being processed;
fig. 2 is a cross-sectional structural view of the 3D stamping forming die provided by the utility model when not being processed;
fig. 3 is a cross-sectional structure diagram of the 3D press forming die according to the present utility model during processing.
Reference numerals:
first punch assembly 10 second punch assembly 20 first base plate 11
First locating plate 12 first stamping 13 first rotating pin 14
The first positioning component 15 is provided with a positioning piece 15a through groove 15b
Second base plate 21 second locating plate 22 second stamping 23
Second rotation pin 24 second positioning component 25 elastic piece 25a
Mounting groove 25b
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model; the technical features designed in the different embodiments of the utility model described below can be combined with each other as long as they do not conflict with each other; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that all terms used in the present utility model (including technical terms and scientific terms) have the same meaning as commonly understood by one of ordinary skill in the art to which the present utility model belongs and are not to be construed as limiting the present utility model; it will be further understood that terms used herein should be interpreted as having a meaning that is consistent with their meaning in the context of this specification and the relevant art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
Example 1
As shown in fig. 1, the flat wire forming stamping die in the prior art only comprises a bottom plate, a positioning plate and a stamping part, and has no positioning structure, and the metal characteristic of the flat wire is that the flat wire formed by processing can rebound when the positioning structure is not formed, so that errors exist between the flat wire formed by using the stamping die in the prior art and the shape of the flat wire in actual demand.
In order to solve the problems in the prior art, the utility model provides a flat wire 3D forming stamping die, as shown in fig. 2 and 3, comprising a first stamping component 10 and a second stamping component 20, wherein a processing space is formed between the first stamping component 10 and the second stamping component 20, and the second stamping component 20 is positioned at the bottom of the first stamping component 10;
the first punching assembly 10 comprises a first bottom plate 11, a first positioning plate 12, a first punching part 13, a first rotating pin 14 and a first positioning assembly 15, wherein the first bottom plate 11 and the first positioning plate 12 form a first accommodating space for accommodating the first punching part 13, the first positioning assembly 15 is propped against the top of the first punching part 13, and the first punching part 13 is controlled to rotate around the first rotating pin 14 by a preset angle.
The first positioning component 15 comprises a positioning piece 15a and a through groove 15b formed in the first bottom plate 11, and the positioning piece 15a passes through the through groove 15b and abuts against the top of the first stamping part 13.
Working principle: by adjusting the extending length of the positioning piece 15a, the first stamping part 13 can rotate by a preset angle under the cooperation of the first rotating pin 14, the die shape is prevented from being modified by machining according to the swinging angle of the first stamping part 13, the 3D shape of the stamped flat wire is adjusted, the deformation rebound of the machined flat wire is prevented, and the 3D shape which is closer to the theoretical value is obtained.
Preferably, the first positioning assembly 15 is located at a first predetermined distance from the center of the first stamping 13.
In particular, the first positioning assemblies 15 are two groups and are symmetrically arranged around the center of the first stamping 13.
The first positioning components 15 are provided with two groups and are arranged around the center symmetry of the first stamping part 13, so that the first positioning components 15 on the corresponding sides can be adjusted according to actual conditions in the machining process, the angle adjustment is more corresponding to the requirements of flat wire machining, and the 3D size of the flat wire after being molded is more close to the theoretical value.
Preferably, the positioning member 15a is a positioning bolt in the present embodiment.
Example two
In the prior art, when the upper die and the lower die are clamped in the process of processing the flat wire, the clamped wire and the flat wire cannot be completely attached, and at the moment, the flat wire can deviate because the pretightening force is not strong in the process of processing, so that the dimension of the flat wire is wrong and is not matched with the required dimension of a motor, in order to solve the technical problem, the implementation II is further provided on the basis of the embodiment I, as shown in fig. 1 and 2, specifically:
the second punching assembly 20 includes a second base plate 21, a second positioning plate 22, a second punching member 23, and a second rotation pin 24, and the second base plate 21 and the second positioning plate 22 form a second accommodation space accommodating the second punching member 23.
The second punching assembly 20 further comprises a second positioning assembly 25, the top end of the second positioning assembly 25 is propped against the bottom of the second punching part 23, and the second punching part 23 rotates around a second rotating pin 24 under the action of the first punching assembly 10 to control the height change of the second positioning assembly 25, so that the distance between the second punching part 23 and the second bottom plate 21 is controlled.
The second positioning assembly 25 comprises an elastic piece 25a and a mounting groove 25b formed in the second bottom plate 21, and the top end of the elastic piece 25a abuts against the bottom of the second stamping part 23.
Preferably, the second positioning assembly 25 is located a second predetermined distance from the center of the second stamping 23.
Working principle: when the flat wire is processed, the second punching assembly 20 is kept motionless, the first punching assembly 10 moves downwards to form a processing space with the second punching assembly 20 to process the flat wire, along with the continuous pressing of the first punching assembly 10, the second punching part 23 of the second punching assembly 20 rotates around the second rotating pin 24 to press the elastic part 25a downwards in the first direction, the elastic part 25a is compressed, and the arrangement of the elastic part 25a well avoids plastic deformation of the flat wire caused by rebound of the processed flat wire, so that the flat wire meets the requirements of a motor. When the processing is completed, the first punch assembly 10 moves upward, and at this time, the first punch assembly 10 is not acted, the second punch 23 rotates in the second direction about the second rotation pin 24, and the elastic member 25a returns to the relaxed state.
During implementation, the first stamping part 13 directly acts on the flat wire and then acts on the second stamping part 23, the second stamping part 23 receives the pressure of the first stamping part 13, the second stamping part 23 rotates around the second rotating pin 24, the second stamping part 23 is matched with the elastic part 25a and the second rotating pin 24, the parting line of the first stamping part 13 and the second stamping part 23 is more attached to the flat wire, the flat wire is subjected to certain pretightening force, the flat wire is clamped under the force of the pretightening force, the degree of freedom is completely limited, movement cannot be generated, and the linear stability of the flat wire formed by stamping is higher.
Preferably, the elastic member 25a is a spring in this embodiment.
Example III
The utility model also provides a flat wire 3D forming device, which comprises the flat wire 3D forming stamping die.
In summary, compared with the prior art, the flat wire 3D forming stamping die and the flat wire 3D forming device provided by the utility model have the following advantages:
1. by adjusting the projecting length of the positioning member 15a, the first pressing member 13 can be rotated by a certain angle in cooperation with the first rotation pin 14. According to the swinging angle of the die, the die shape is prevented from being modified by machining, the 3D shape of the punched flat wire is adjusted, and the 3D shape which is closer to the theoretical value is obtained.
2. When the second stamping part 23 is pressed by the first stamping part 13, the second rotating pin 24 is matched to rotate, at this time, the parting lines of the first stamping assembly 10 and the second stamping assembly 20 are more attached to the flat wire, the flat wire is subjected to a certain pretightening force, the flat wire is clamped by force, the degree of freedom is completely limited, movement cannot be generated, and at this time, the linear stability of the flat wire formed by stamping is higher.
In addition, it should be understood by those skilled in the art that although many problems exist in the prior art, each embodiment or technical solution of the present utility model may be modified in only one or several respects, without having to solve all technical problems listed in the prior art or the background art at the same time. Those skilled in the art will understand that nothing in one claim should be taken as a limitation on that claim.
Although terms such as first punch assembly, second punch assembly, first base plate, first locating plate, first punch, first pivot pin, first positioning assembly, positioning member, through slot, second base plate, second locating plate, second punch, second pivot pin, second positioning assembly, resilient member, mounting slot, etc. are used more herein, the use of other terms is not precluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model; the terms first, second, and the like in the description and in the claims of embodiments of the utility model and in the above-described figures, if any, are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. A flat wire 3D shaping stamping die, its characterized in that: the device comprises a first stamping assembly and a second stamping assembly, wherein a processing space is formed between the first stamping assembly and the second stamping assembly, and the second stamping assembly is positioned at the bottom of the first stamping assembly;
the first stamping assembly comprises a first bottom plate, a first locating plate, a first stamping part, a first rotating pin and a first locating assembly, wherein the first bottom plate and the first locating plate form a first containing space for containing the first stamping part, the first locating assembly is propped against the top of the first stamping part, and the first stamping part is controlled to rotate around the first rotating pin by a preset angle.
2. The flat wire 3D molding stamping die of claim 1, wherein: the first positioning component comprises a positioning piece and a through groove formed in the first bottom plate, and the positioning piece passes through the through groove and abuts against the top of the first stamping part.
3. The flat wire 3D molding stamping die of claim 2, wherein: the first positioning assembly is a first preset distance away from the center of the first stamping part.
4. The flat wire 3D molding stamping die of claim 2, wherein: the first positioning components are arranged in two groups and are symmetrically arranged around the center of the first stamping part.
5. The flat wire 3D molding stamping die of claim 1, wherein: the second stamping assembly comprises a second bottom plate, a second locating plate, a second stamping part and a second rotating pin, and the second bottom plate and the second locating plate form a second accommodating space for accommodating the second stamping part.
6. The flat wire 3D molding stamping die of claim 5, wherein: the second stamping assembly further comprises a second positioning assembly, the top end of the second positioning assembly is propped against the bottom of the second stamping part, the second stamping part is rotated around the second rotating pin by the acting force of the first stamping assembly to control the height change of the second positioning assembly, and therefore the distance between the second stamping part and the second bottom plate is controlled.
7. The flat wire 3D molding stamping die of claim 6, wherein: the second positioning assembly comprises an elastic piece and a mounting groove formed in the first bottom plate, and the top end of the elastic piece is propped against the bottom of the second stamping piece.
8. The flat wire 3D molding stamping die of claim 6, wherein: the second positioning assembly is a second preset distance away from the center of the second stamping part.
9. A flat wire 3D forming device, its characterized in that: a 3D forming stamping die comprising the flat wire according to any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815735.0U CN220295733U (en) | 2023-07-11 | 2023-07-11 | Flat wire 3D forming stamping die and flat wire 3D forming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321815735.0U CN220295733U (en) | 2023-07-11 | 2023-07-11 | Flat wire 3D forming stamping die and flat wire 3D forming device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220295733U true CN220295733U (en) | 2024-01-05 |
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ID=89353125
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321815735.0U Active CN220295733U (en) | 2023-07-11 | 2023-07-11 | Flat wire 3D forming stamping die and flat wire 3D forming device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220295733U (en) |
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2023
- 2023-07-11 CN CN202321815735.0U patent/CN220295733U/en active Active
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