Flat wire motor hairpin processing equipment

Abstract

The invention discloses flat wire motor card issuing processing equipment which comprises a wire feeding mechanism, a first bending mechanism, a second bending mechanism, a bending mechanism and a rack, the first bending mechanism comprises a bending core seat, a fixing groove used for fixing a wire is formed in the bending core seat, a bending part is arranged on one side of the bending core seat, and a clamping part is arranged on the other side of the bending core seat. During bending, the bending part rotates relative to the fixing groove so as to bend the wire rod; the second bending mechanism comprises a guide rod, a rolling part is rotationally connected to the guide rod, the rolling part rolls on the surface of a wire rod to bend the wire rod during bending, the bending mechanism comprises a first pressing die and a second pressing die, and the guide rod is adopted to drive a rolling bearing to bend the wire rod. Deformation wrinkles generated after the surface of the insulating layer is stressed and deformed are greatly reduced, and it is ensured that the surface of the insulating layer is smooth as before. And the bending part rotates relative to the fixing groove to bend the wire rod, so that the straightness of the hairpin long pin can be ensured.

Description

Technical Field

[0001] The invention relates to a flat wire motor card issuing processing device, belonging to the technical field of motor card issuing. Background Art

[0002] With the rapid development of China's new energy industry, flat wire motors have the advantages of high energy efficiency, high power density, high integration and low cost, and are expected to quickly replace traditional motors. While flat wire motors have many advantages, they also have disadvantages, especially production processes and professional manufacturing equipment, which have become barriers to the industrialization of flat wire motors, which is why they have not yet been widely used. Judging from the current research and development progress of domestic OEMs and motor companies, the market replacement rate is expected to reach more than 90% in 2025. There are two main hairpin molding methods: CNC flexible molding and mold compression molding.

[0003] Among them, CNC flexible forming is to gradually bend the hairpin wire to the shape required by the drawing by controlling the sequence and amplitude of the forming action. Its characteristics are good flexibility and can bend hairpin wires of various shapes. However, since the action accuracy needs to be precisely controlled to ensure the stability of the forming, the action speed cannot be too fast, the beat is slow, and the equipment cost is very high. At the same time, the insulation layer is easily damaged at the bend, and the 3D bending consistency is lacking.

[0004] Die pressing (also called stamping) is the use of a contoured die to punch the hairpin wire into the shape required by the drawing. The advantage is fast molding speed, but the disadvantage is that one mold can only form one shape, with large initial investment, long cycle, and the line shape cannot be adjusted. Summary of the invention

[0005] In view of the deficiencies in the prior art, the object of the present invention is to provide a flat wire motor card processing equipment which has low cost, reduces insulation layer damage, has good card bending consistency and high work efficiency.

[0006] To achieve the aforementioned invention objectives, the technical solution adopted by the present invention includes: a flat wire motor card processing equipment, including a wire feeding mechanism, a first bending mechanism, a second bending mechanism, a press bending mechanism and a frame, wherein the wire feeding mechanism, the first bending mechanism, the second bending mechanism and the press bending mechanism are all arranged on the frame.

[0007] The wire feeding mechanism is at least used to transmit the wire and drive the wire to rotate;

[0008] The first bending mechanism comprises a bending core seat, a fixing groove for fixing the wire is arranged on the bending core seat, a bending component is arranged on one side of the bending core seat, and the bending component rotates relative to the fixing groove to bend the wire during bending; a first power mechanism for driving the first bending mechanism to approach or move away from the wire feeding mechanism is arranged on one side of the first bending mechanism;

[0009] The second bending mechanism includes a guide rod, a rolling component is rotatably connected to the guide rod, and the rolling component rolls on the surface of the wire to bend the wire during bending. A second power mechanism for driving the second bending mechanism to approach or move away from the wire feeding mechanism is provided on one side of the second bending mechanism;

[0010] The bending mechanism includes a first die and a second die, and a third power mechanism for driving the first die to approach or move away from the second die is provided on one side of the first die; a fourth power mechanism for driving the second die to approach or move away from the first die is provided on one side of the second die; under the drive of the third power mechanism and the fourth power mechanism, the first die and the second die are relatively close to or away from each other to bend the wire.

[0011] Furthermore, the wire feeding mechanism includes a core shaft, a wire groove for wire passing through is arranged inside the core shaft, a wire feeding wheel for conveying wire is arranged at one end of the core shaft, and a first rotating component for driving the core shaft to rotate is arranged at one side of the core shaft.

[0012] Furthermore, the wire feeding wheel is made of Saigang.

[0013] Furthermore, the outer part of the bending core seat is rotatably connected to a mounting sleeve, the bending component is fixed on the mounting sleeve, and a second rotating component for driving the mounting sleeve to rotate is provided on one side of the mounting sleeve. Driven by the second rotating component, the bending component rotates relative to the fixed groove to bend the wire.

[0014] Furthermore, a connecting shaft is arranged on the guide rod, and the rolling component comprises a rolling bearing, the rolling bearing is sleeved on the outer surface of the connecting shaft, and the inner ring of the rolling bearing is fixedly connected to the connecting shaft.

[0015] Furthermore, a cutting mechanism is arranged on the frame, and the cutting mechanism comprises a first cutter, and a fifth power mechanism for driving the first cutter to approach or move away from the wire feeding mechanism is arranged on one side of the first cutter.

[0016] Furthermore, the cutting mechanism further includes a second cutter, and a sixth power mechanism for driving the second cutter to move closer to or away from the wire feeding mechanism is provided on one side of the second cutter. Under the drive of the fifth power mechanism and the sixth power mechanism, the first cutter and the second cutter cooperate to cut the wire.

[0017] Compared with the prior art, the advantages of the present invention include:

[0018] 1) The flat wire motor card processing equipment provided by the present invention uses a guide rod to drive a rolling bearing to bend the wire. When the wire is bent, the guide rod moves linearly, and the rolling bearing rolls and rotates synchronously on the surface of the wire, which greatly reduces the deformation wrinkles of the surface of the insulation layer after the stress deformation, ensuring that the surface of the insulation layer is smooth as before;

[0019] 2) The flat wire motor card processing equipment provided by the present invention adopts two pressing dies for forming and bending, which improves the consistency of the line shape, improves the surface quality of the card and also improves the bending efficiency;

[0020] 3) The flat wire motor card processing equipment provided by the present invention uses a bending component to rotate relative to a fixed groove to bend the wire, which can ensure the straightness of the long leg of the card;

[0021] 4) In the flat wire motor card processing equipment provided by the present invention, the material of the wire feeding wheel is selected from Saigang, which can avoid deformation of the wire and damage of the insulation layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0023] Figure 1 It is a schematic diagram of the overall structure of a flat wire motor card processing device provided in a typical implementation case of the present invention;

[0024] Figure 2 It is a structural schematic diagram of a wire feeding mechanism provided in a typical implementation case of the present invention;

[0025] Figure 3 is a structural schematic diagram of a first bending mechanism provided in a typical implementation case of the present invention;

[0026] Figure 4 is a structural schematic diagram of a second bending mechanism provided in a typical implementation case of the present invention;

[0027] Explanation of the accompanying drawings: 1. wire feeding mechanism; 2. first bending mechanism; 3. second bending mechanism; 4. bending mechanism; 5. frame; 21. bending core seat; 22. fixing groove; 23. bending component; 25. mounting sleeve; 31. guide rod; 34. connecting shaft; 35. rolling bearing; 41. first die; 42. second die; 11. core shaft; 12. wire groove; 61. first cutter; 63. second cutter; 101. first power mechanism; 102. second power mechanism; 103. third power mechanism; 104. fourth power mechanism; 105. fifth power mechanism; 106. sixth power mechanism. DETAILED DESCRIPTION

[0028] In view of the deficiencies in the prior art, the inventor of this case has proposed the technical solution of the present invention after long-term research and extensive practice. The technical solution, its implementation process and principle will be further explained as follows.

[0029] The present invention discloses a flat wire motor card processing device, such as Figure 1 As shown, the flat wire motor card processing equipment includes a wire feeding mechanism 1, a first bending mechanism 2, a second bending mechanism 3, a bending mechanism and a frame 5, wherein the wire feeding mechanism 1, the first bending mechanism 2, the second bending mechanism 3 and the bending mechanism are all arranged on the frame 5, the wire feeding mechanism 1 is arranged at the center position of the frame 5, and the first bending mechanism 2, the second bending mechanism 3 and the bending mechanism are all arranged on the outside of the wire feeding mechanism 1.

[0030] The wire feeding mechanism 1 is at least used to transmit the wire and drive the wire to rotate. Specifically, Figure 2 As shown, the wire feeding mechanism 1 includes a mandrel 11, and a wire groove 12 for passing the wire is provided in the mandrel 11. One end of the mandrel 11 is provided with a wire feeding wheel for conveying the wire. The wire feeding wheel rotates to drive the wire transmission so that the wire moves along the wire groove 12; preferably, a first rotating component for driving the mandrel 11 to rotate is provided on one side of the mandrel 11, and the first rotating component is used to drive the mandrel 11 to rotate, thereby driving the wire to rotate, so that the first bending mechanism 2 and the second bending mechanism 3 process different surfaces of the wire, and at the same time, the first rotating component drives the wire to rotate during the bending process of the wire by the first bending mechanism 2 and the second bending mechanism 3, so that the wire can be bent in multiple dimensions. The first rotating component may include a rotating cylinder or a motor. In this embodiment, the first rotating component includes a motor. The existing wire feeding wheel is made of metal material, which will cause deformation of the wire and damage to the insulation layer during the transmission of the wire. The material of the wire feeding wheel in the present invention is selected as Saigang, which can avoid deformation of the wire and damage to the insulation layer.

[0031] On the basis of the above, if Figure 3As shown, the first bending mechanism 2 includes a bending core seat 21, and a fixing groove 22 for fixing the wire is provided on the bending core seat 21. Two limit plates are provided on the bending core seat 21. The gap between the two limit plates for placing the wire is the fixing groove 22. The fixing groove 22 is used to fix the wire during the bending process; a bending component 23 is provided on one side of the bending core seat 21. The bending component 23 can be a bending pin with a cylindrical profile or a bending rod with other profile shapes, which can be selected according to the shape of the hairpin that needs to be bent. More specifically, the outer rotation of the bending core seat 21 is connected to a mounting sleeve 25, and the bending component 23 is fixed on the mounting sleeve 25. A second rotating component for driving the mounting sleeve 25 to rotate is provided on one side of the mounting sleeve 25. Driven by the second rotating component, the bending component 23 rotates relative to the fixing groove 22 to bend the wire. When the wire passes through the fixed groove 22, the bending component 23 rotates relative to the fixed groove 22 to bend the wire. This design structure can ensure the straightness of the long leg of the hairpin. A first power mechanism 101 is provided on one side of the first bending mechanism 2 for driving the first bending mechanism 2 to approach or move away from the wire feeding mechanism 1; when bending is required, the first power mechanism 101 drives the bending core seat 21 to approach the wire feeding mechanism 1 so that the bending component 23 can bend the wire; when bending is not required, the first power mechanism 101 drives the bending core seat 21 away from the wire feeding mechanism 1.

[0032] On the basis of the above, if Figure 4 As shown, the second bending mechanism 3 includes a guide rod 31, and a rolling component is rotatably connected to the guide rod 31. When bending, the rolling component rolls on the surface of the wire to bend the wire. Preferably, a connecting shaft 34 is provided on the guide rod 31, and the rolling component includes a rolling bearing 35. The rolling bearing 35 is sleeved on the outer surface of the connecting shaft 34, and the inner ring of the rolling bearing 35 is fixedly connected to the connecting shaft 34. A second power mechanism 102 for driving the second bending mechanism 3 to approach or move away from the wire feeding mechanism 1 is provided on one side of the second bending mechanism 3. The second power mechanism 102 may include a cylinder or a motor and a screw. In this embodiment, the second power mechanism 102 includes a cylinder; preferably, a turntable is provided on the second power mechanism 102, and the turntable is used to drive the guide rod 31 to rotate to change the position of the guide rod 31 in space, so that the wire can be bent at different positions. The present invention uses a guide rod 31 to drive a rolling bearing 35 to bend the wire. When the wire is bent, the guide rod 31 performs linear motion, and the rolling bearing 35 synchronously rolls and rotates on the surface of the wire, which greatly reduces the deformation wrinkles of the surface of the insulating layer after the stress deformation, and ensures that the surface of the insulating layer is as smooth as before.

[0033] On the basis of the above, the bending mechanism includes a first die 41 and a second die 42, a third power mechanism 103 for driving the first die to approach or move away from the second die is provided on one side of the first die 41; a fourth power mechanism 104 for driving the second die 42 to approach or move away from the first die is provided on one side of the second die 42; the first die and the second die 42 are relatively close to or away from each other under the drive of the third power mechanism 103 and the fourth power mechanism 104 to bend the wire. The present invention uses two dies for bending, which improves the consistency of the wire shape, improves the surface quality of the hairpin, and also improves the bending efficiency.

[0034] In some embodiments, a cutting mechanism is disposed on the frame 5 , and the cutting mechanism includes a first cutter 61 , and a fifth power mechanism 105 for driving the first cutter 61 to approach or move away from the wire feeding mechanism 1 is disposed on one side of the first cutter 61 .

[0035] In other embodiments, the cutting mechanism includes a first cutter 61 and a second cutter 63, a fifth power mechanism 105 for driving the first cutter 61 to approach or move away from the wire feeding mechanism 1 is provided on one side of the first cutter 61, and a sixth power mechanism 106 for driving the second cutter 63 to approach or move away from the wire feeding mechanism 1 is provided on one side of the second cutter 63, and the first cutter 61 and the second cutter 63 cooperate to cut the wire under the drive of the fifth power mechanism 105 and the sixth power mechanism 106. The fifth power mechanism 105 and the sixth power mechanism 106 may include a cylinder or a motor and a screw rod. In this embodiment, the fifth power mechanism 105 and the sixth power mechanism 106 both include a cylinder.

[0036] It should be understood that the above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with the technology to understand the content of the present invention and implement it accordingly, and they cannot be used to limit the protection scope of the present invention. Any equivalent changes or modifications made according to the spirit of the present invention should be included in the protection scope of the present invention.

Claims

1. A flat wire motor card processing equipment, characterized in that: A wire feeding mechanism (1), the wire feeding mechanism (1) being used at least to transmit the wire and drive the wire to rotate; A first bending mechanism (2), the first bending mechanism (2) comprising a bending core seat (21), the bending core seat (21) being provided with a fixing groove (22) for fixing the wire, a bending component (23) being provided on one side of the bending core seat (21), and when bending, the bending component (23) rotates relative to the fixing groove (22) to bend the wire; a first power mechanism (101) for driving the first bending mechanism (2) to move closer to or away from the wire feeding mechanism (1) is provided on one side of the first bending mechanism (2); a second bending mechanism (3), the second bending mechanism (3) comprising a guide rod (31), a rolling component rotatably connected to the guide rod (31), the rolling component rolling on the surface of the wire to bend the wire during bending, a second power mechanism (102) for driving the second bending mechanism (3) to move closer to or away from the wire feeding mechanism (1) being provided on one side of the second bending mechanism (3); A bending mechanism, the bending mechanism comprising a first die (41) and a second die (42), a third power mechanism (103) for driving the first die to approach or move away from the second die being provided on one side of the first die (41); a fourth power mechanism (104) for driving the second die (42) to approach or move away from the first die being provided on one side of the second die (42); under the drive of the third power mechanism (103) and the fourth power mechanism (104), the first die and the second die (42) are relatively moved closer or farther away to bend the wire; A frame (5), wherein the wire feeding mechanism (1), the first bending mechanism (2), the second bending mechanism (3) and the pressing mechanism are all arranged on the frame (5).

2. The flat wire motor card processing equipment according to claim 1, characterized in that: The wire feeding mechanism (1) comprises a core shaft (11), a wire groove (12) for allowing wire to pass through is arranged inside the core shaft (11), a wire feeding wheel for conveying the wire is arranged at one end of the core shaft (11), and a first rotating component for driving the core shaft (11) to rotate is arranged at one side of the core shaft (11).

3. The flat wire motor card processing equipment according to claim 2, characterized in that: The material of the wire feeding wheel is Saigang.

4. The flat wire motor card processing equipment according to claim 1, characterized in that: The outside of the bending core seat (21) is rotatably connected to a mounting sleeve (25), the bending component (23) is fixed on the mounting sleeve (25), and a second rotating component for driving the mounting sleeve (25) to rotate is provided on one side of the mounting sleeve (25); under the drive of the second rotating component, the bending component (23) rotates relative to the fixed groove (22) to bend the wire.

5. The flat wire motor card processing equipment according to claim 1, characterized in that: The guide rod (31) is provided with a connecting shaft (34), and the rolling component comprises a rolling bearing (35). The rolling bearing (35) is sleeved on the outer surface of the connecting shaft (34), and the inner ring of the rolling bearing (35) is fixedly connected to the connecting shaft (34).

6. The flat wire motor card processing equipment according to claim 1, characterized in that: The second power mechanism (102) is provided with a rotating disk, and the rotating disk is at least used to drive the guide rod (31) to rotate so as to change the spatial position of the guide rod (31).

7. The flat wire motor card processing equipment according to claim 1, characterized in that: The frame (5) is provided with a cutting mechanism, the cutting mechanism comprising a first cutter (61), and a fifth power mechanism (105) for driving the first cutter (61) to move closer to or away from the wire feeding mechanism (1) is provided on one side of the first cutter (61).

8. The flat wire motor card processing equipment according to claim 1, characterized in that: The cutting mechanism further comprises a second cutter (63), one side of which is provided with a sixth power mechanism (106) for driving the second cutter (63) to approach or move away from the wire feeding mechanism (1); under the drive of the fifth power mechanism (105) and the sixth power mechanism (106), the first cutter (61) and the second cutter (63) cooperate to cut the wire.

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