A busbar assembly mechanism

Abstract

A busbar assembly mechanism is disclosed for mounting a busbar on a coil winding, the coil winding being composed of multiple coil frames spliced ​​together, each coil frame having a section of wire wound around it. The busbar assembly mechanism includes a frame, a fixing component, a wire clamping component, and an assembly component. The wire clamping component includes a support plate, a guide rail, a primary cylinder, a secondary cylinder, a wire clamping cylinder, a fixing plate, and a moving plate. The busbar assembly mechanism fixes the coil winding through the fixing component and, under the action of the wire clamping component, straightens the end of the wire. Then, under the action of the assembly component, the busbar is assembled onto the coil winding. The secondary cylinder can drive the wire clamping cylinder further, thus straightening the wire regardless of its tilt direction. The busbar assembly mechanism requires no manual intervention throughout the process, has high production efficiency, a high degree of automation, and is suitable for assembly line production operations.

Description

Technical Field

[0001] This invention relates to the field of coil assembly technology, and in particular to a busbar assembly mechanism. Background Technology

[0002] In a coil winding, each stator has a coil wound around it, and each coil is made of a single wire, which leads out from the end of the coil. During coil assembly, a busbar needs to be installed on the coil winding to optimize current transmission efficiency and enhance system stability. For example, Chinese patent CN202420054326.1 discloses a busbar unit, motor, and vehicle, which includes several terminal components. Each terminal component includes a first connecting terminal and a connecting piece. The first connecting terminal is used to connect the winding structure and is connected to the connecting piece. The connecting pieces of all terminal components do not overlap, and the winding structures connected to the first connecting terminals on different terminal components are connected by connecting wires. In this structure, the busbar is connected by welding it to the wire leading out of the coil. However, the wires leading out of the coil are generally not straight, so they need to be straightened before welding. Generally, the assembly of the busbar is done manually, which increases labor consumption and reduces production efficiency. Summary of the Invention

[0003] In view of this, the present invention provides a busbar assembly mechanism to solve the above problems.

[0004] A busbar assembly mechanism is disclosed for mounting a busbar on a coil winding, the coil winding being composed of multiple coil frames spliced ​​together, each coil frame having a section of wire wound around it. The busbar assembly mechanism includes a frame, at least one fixing component mounted on the frame, at least two clamping assemblies respectively disposed on both sides of the fixing component, and at least one assembly component respectively disposed on one side of the two fixing components. Each clamping assembly includes a support plate, a guide rail disposed on the support plate, a primary cylinder disposed on the guide rail, a secondary cylinder fixedly disposed on the support plate and located on one side of the primary cylinder, a clamping cylinder connected to the output end of the primary cylinder, a fixing plate fixedly disposed on the clamping cylinder, and a movable plate disposed at the output end of the clamping cylinder. The assembly includes a two-axis moving component, a rotary motor located at the output end of the two-axis moving component, a clamping cylinder located at the output end of the rotary motor, at least four grippers located at the output ends of the clamping cylinder, and at least two pressure columns fixedly located on one side of the rotary motor. The output end of the secondary cylinder is connected to the primary cylinder via a first connecting block, which slides on the guide rail. The output end of the primary cylinder is connected to the wire-hooking cylinder via a second connecting block, which slides on the guide rail. The fixed plate and the moving plate protrude from the wire-hooking cylinder on the side away from the primary cylinder, and there is a gap between them. The fixed plate has at least three V-grooves on the side away from the primary cylinder, and a circular groove is formed at the bottom of the V-grooves. The width of the circular groove matches the cross-sectional diameter of the wire. A locking block is provided on the fixed plate and located on one side of the circular groove. The moving plate has a locking slot corresponding to the position of each of the three V-grooves. A pressure plate is connected to each of the two coil assemblies, and both ends of the pressure plate are fixedly connected to two corresponding support plates via U-shaped connectors. The pressure plate has a through slot corresponding to the position of the coil winding for the current-carrying bridge to pass through.

[0005] Furthermore, the fixing component includes a positioning plate, a fixing block disposed on the positioning plate, a fixing cylinder disposed on one side of the positioning plate, and a push block disposed at the output end of the fixing cylinder.

[0006] Furthermore, the positioning plate has a positioning groove that matches the coil winding. The fixing block is located on the side of the positioning groove away from the fixing cylinder. The output direction of the fixing cylinder is towards the fixing block. The sides of the fixing block and the push block that are opposite to each other match the circumferential outer wall of the coil winding.

[0007] Furthermore, the support plate is movably sleeved on at least four guide posts, which are fixedly mounted on the frame. A spring is sleeved on each guide post, with one end of the spring abutting against the frame and the other end abutting against the support plate.

[0008] Furthermore, each of the first and second connecting blocks has a limiting post on one side.

[0009] Furthermore, the fixed plate is provided with at least two limiting screws, and the movable plate is provided with at least two limiting grooves, with the limiting screws located in the limiting grooves.

[0010] Compared with existing technologies, the busbar assembly mechanism provided by this invention fixes the coil winding through the fixing component and straightens the end of the conductor under the action of the clamping component. Then, under the action of the assembly component, the busbar is assembled onto the coil winding. The secondary cylinder can drive the clamping cylinder further, so that the conductor can be straightened no matter which direction it is tilted. Moreover, during the assembly process, the busbar, supported by the grippers, always follows the moving plate, thus keeping the conductor in a straight state and ensuring assembly quality. The busbar assembly mechanism requires no manual intervention throughout the process, has high production efficiency, high degree of automation, and is suitable for assembly line production operations. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the assembly mechanism for the busbar provided by the present invention.

[0012] Figure 2 for Figure 1 A schematic diagram of the coil windings and busbar structure of the busbar assembly mechanism.

[0013] Figure 3 for Figure 1 A schematic diagram of the fixed components of the busbar assembly mechanism.

[0014] Figure 4 for Figure 1 A schematic diagram of the structure of the two hoop components of the busbar assembly mechanism.

[0015] Figure 5 for Figure 1 A schematic diagram of the hoop assembly of the busbar assembly mechanism.

[0016] Figure 6 for Figure 1 A schematic diagram of the structure of the fixing plate of the busbar assembly mechanism.

[0017] Figure 7 for Figure 1A schematic diagram of the moving plate in the busbar assembly mechanism.

[0018] Figure 8 for Figure 1 Enlarged diagram of point A in the middle.

[0019] Reference numerals: Frame 10, Fixing assembly 20, Positioning plate 21, Fixing block 22, Fixing cylinder 23, Push block 24, Hoop assembly 30, Support plate 31, Guide post 311, Spring 312, Guide rail 32, First-stage cylinder 33, Second-stage connecting block 331, Second-stage cylinder 34, First connecting block 341, Hoop cylinder 35, Fixing plate 36, V-groove 361, Circular groove 362, Locking block 363, Limiting screw 364, Moving plate 37, Locking groove 371, Limiting groove 372, Limiting post 38, Assembly assembly 40, Two-axis moving component 41, Rotary motor 42, Clamping cylinder 43, Gripper 44, Pressure post 45, Pressure plate 46, Connector 47, Through groove 48, Coil winding 50, Wire 51, Busbar 60, Claw part 61. Detailed Implementation

[0020] The following provides a more detailed description of specific embodiments of the present invention. It should be understood that the description of the embodiments of the present invention herein is not intended to limit the scope of protection of the present invention.

[0021] like Figure 1 The diagram shown is a structural schematic of the busbar assembly mechanism provided by the present invention. The busbar assembly mechanism includes a frame 10, at least one fixing component 20 disposed on the frame 10, at least two clamping components 30 respectively disposed on both sides of the fixing components 20, and at least one assembly component 40 respectively disposed on one side of the two fixing components 20. It is conceivable that the busbar assembly mechanism also includes other functional modules, such as a power module, a screw module, a PLC control module, etc., which are technologies known to those skilled in the art and will not be described in detail here.

[0022] Please refer to the following: Figure 2 and Figure 8It should be noted that the busbar assembly mechanism is used to install a busbar 60 on a coil winding 50. The coil winding 50 is composed of multiple coil frames spliced ​​together, and each coil frame has a section of wire 51 wound around it, with one end of the wire 51 protruding and extending to one end of the coil winding 50. The busbar 60 is an annular iron ring with multiple claws 61 spaced apart on its outer circumferential wall. When the busbar 60 is installed on the coil winding 50, the wire 51 passes through the claws 61. However, when the coil winding 50 is spliced, the protruding wire 51 is not in a regular straight state. Therefore, before the busbar 60 is installed on the coil winding 50, the wire 51 needs to be straightened, and then the multiple claws 61 are respectively fitted onto the corresponding wires 51.

[0023] The frame 10 is used to mount the various components so that they can cooperate in various ways to complete the assembly of the coil winding 50 and the bus bridge 60.

[0024] The fixing component 20 includes a positioning plate 21, a fixing block 22 disposed on the positioning plate 21, a fixing cylinder 23 disposed on one side of the positioning plate 21, and a push block 24 disposed at the output end of the fixing cylinder 23.

[0025] The positioning plate 21 has a positioning groove that matches the coil winding 50. The fixing block 22 is located on the side of the positioning groove away from the fixing cylinder 23. The output direction of the fixing cylinder 23 is towards the fixing block 22 to drive the push block 24 to move closer to or away from the fixing block 22. The sides of the fixing block 22 and the push block 24 opposite to each other match the circumferential outer wall of the coil winding 50. When the coil winding 50 is placed in the positioning groove on the positioning plate 21, the fixing cylinder 23 drives the push block 24 to move towards the coil winding 50, so that the sides of the fixing block 22 and the push block 24 opposite to each other abut against the circumferential outer wall of the coil winding 50, thereby fixing the coil winding 50.

[0026] The four clamping assemblies 30 are arranged in pairs facing each other, with two clamping assemblies 30 respectively located on opposite sides of the fixing assembly 20, to perform clamping and straightening operations on the coil winding 50 placed on the fixing assembly 20. Each clamping assembly 30 includes a support plate 31, a guide rail 32 disposed on the support plate 31, a primary cylinder 33 disposed on the guide rail 32, a secondary cylinder 34 fixedly disposed on the support plate 31 and located on one side of the primary cylinder 33, a clamping cylinder 35 connected to the output end of the primary cylinder 33, a fixing plate 36 fixedly disposed on the clamping cylinder 35, and a moving plate 37 disposed at the output end of the clamping cylinder 35.

[0027] The support plate 31 is movably sleeved on at least four guide posts 311, which are fixedly mounted on the frame 10. A spring 312 is sleeved on each guide post 311, with one end of the spring 312 abutting against the frame 10 and the other end abutting against the support plate 31. Pressing down on the support plate 31 causes relative displacement between the entire coil assembly 30 and the fixing assembly 20, thereby straightening the conductor 51. The spring 312 is used to reset the support plate 31. When assembling the coil winding 50 and the busbar 60, at least two support plates 31 are pressed down on one of the assembly assemblies 40. The specific pressing method will be described below.

[0028] The length direction of the guide rail 32 faces the positioning groove on the positioning plate 21. The output end of the secondary cylinder 34 is connected to the primary cylinder 33 through a first connecting block 341. The first connecting block 341 is slidably disposed on the guide rail 32 so that the secondary cylinder 34 can drive and drive the primary cylinder 33 to reciprocate along the length direction of the guide rail 32.

[0029] The output end of the first-stage cylinder 33 is connected to the hoop cylinder 35 through a second connecting block 331. The second connecting block 331 slides on the guide rail 32. The first-stage cylinder 33 can drive and move the hoop cylinder 35 back and forth along the length direction of the guide rail 32.

[0030] The output direction of the clamping cylinder 35 is perpendicular to the length direction of the guide rail 32 and parallel to the plane of the support plate 31. The clamping cylinder 35 can drive the moving plate 37 to reciprocate so as to cooperate with the fixed plate 36 to perform clamping operations.

[0031] The fixed plate 36 and the moving plate 37 protrude from the wire-hooking cylinder 35 on the side away from the first-stage cylinder 33, and are in contact with a gap between them. The fixed plate 36 has at least three V-shaped grooves 361 on the side away from the first-stage cylinder 33. A circular groove 362 is formed at the bottom of each V-shaped groove 361, and the width of the circular groove 362 matches the cross-sectional diameter of the wire 51. A locking block 363 is provided on the fixed plate 36 and located on one side of the circular groove 362. The moving plate 37 has a locking slot 371 corresponding to the three V-shaped grooves 361. The opening of the locking slot 371 can approach and abut against the locking block 363 under the drive of the wire-hooking cylinder 35. Thus, there is an opening between the locking slot 371 and the locking block 363 that allows only one wire 51 to pass through, thereby hoisting the wire 51 between the locking slot 371 and the locking block 363. It should be noted that the outer circumferential wall of the conductor 51 is in contact with the slot 371 and the block 363 with a gap. When the fixing plate 36 and the moving plate 37 move along the length of the conductor 51, it will not affect the state of the conductor 51.

[0032] The first and second connecting blocks 341 and 331 each have a limiting post 38 on one side. The two limiting posts 38 can limit the movement distance of the first and second connecting blocks 341 and 331 respectively, thereby preventing the hoop cylinder 35 from undergoing excessive displacement.

[0033] The fixed plate 36 is provided with at least two limiting screws 364, and the movable plate 37 is provided with at least two limiting grooves 372. The limiting screws 364 are located in the limiting grooves 372. The two cooperate with each other to avoid excessive displacement between the fixed plate 36 and the movable plate 37.

[0034] The first-stage cylinder 33 drives and moves the wire-clamping cylinder 35 toward the coil winding 50 placed on the positioning plate 21. The first-stage cylinder 33 drives the fixed plate 36 and the moving plate 37 to complete the first-stage advancement. The outwardly inclined wire 51 is guided into the circular groove 362 during the first-stage advancement. At this time, the circular groove 362 is positioned directly opposite the straight wire 51. Then, the second-stage cylinder 34 drives and moves the first-stage cylinder 33 and the wire-clamping cylinder 35 toward the coil winding 50 and pushes it to the inside of the coil winding 50, thereby guiding the inwardly inclined wire 51 into the circular groove 362. The second-stage cylinder 34 drives the fixed plate 36 and the moving plate 37 to complete the second-stage advancement. At this time, the wire 51, regardless of its inclination direction, is accommodated in the circular groove 362. Then, the clamping cylinder 35 drives the moving plate 37 to move, causing the slot 371 to abut against the locking block 363, and the wire 51 is clamped between the slot 371 and the locking block 363. Finally, the secondary cylinder 34 drives and moves the primary cylinder 33 and the clamping cylinder 35 to reset, so that the end of each clamped wire 51 is now in a straight state.

[0035] The assembly assembly 40 includes a two-axis moving component 41, a rotary motor 42 disposed at the output end of the two-axis moving component 41, a clamping cylinder 43 disposed at the output end of the rotary motor 42, at least four grippers 44 disposed at the output ends of the clamping cylinder 43, and at least two pressure columns 45 fixedly disposed on one side of the rotary motor 42.

[0036] The two-axis moving component 41 can drive and move the rotary motor 42 in two directions. One direction is a lifting motion toward the positioning plate 21, and the other direction is a lateral movement for moving the busbar 60. The working principle and internal structure of the two-axis moving component 41 are existing technologies and will not be described in detail here.

[0037] The rotary motor 42 can drive the clamping cylinder 43 to rotate. The clamping cylinder 43 can drive the four grippers 44 to support the busbar 60. When the busbar 60 is assembled onto the coil winding 50, the busbar 60 is rotated so that the inner sidewall of the gripper 61 abuts against the outer sidewall of the wire 51 and bends the wire 51 to meet the assembly requirements.

[0038] A pressure plate 46 is connected to each of the two clamping assemblies 30. Both ends of the pressure plate 46 are fixedly connected to two corresponding support plates 31 via U-shaped connectors 47. When the two pressure columns 45 are pressed down, they press against the pressure plate 46, thus pressing down the two support plates 31. A through slot 48 is provided on the pressure plate 46 corresponding to the position of the coil winding 50, and this through slot 48 is used for the passage of the busbar 60.

[0039] When the pressure column 45 is pressed down by the two-axis moving component 41, the two support plates 31 also move toward one side of the spring 312 and compress the spring 312, thereby causing the slot 371 and the block 363 to move toward the coil winding 50 along the length of the wire 51 and straighten the wire 51. The busbar 60 held by the clamping cylinder 43 also moves toward the coil winding 50 under the drive of the two-axis moving component 41, and its claw 61 follows the slot 371 and the block 363 to pass through the straightened wire 51. After the slot 371 and the block 363 descend to a certain extent, that is, when they are about to contact the coil winding 50, they stop descending. The first-stage cylinder 33 drives the wire clamping cylinder 35 to reset so that the fixed plate 36 and the moving plate 37 can avoid each other in the subsequent assembly operation. The clamping cylinder 43 continues to descend and rotates at a certain angle under the drive of the rotary motor 42, so that the inner wall of the claw 61 on the busbar 60 abuts against the outer wall of the wire 51 and bends the wire 51, thus completing the assembly operation of the coil winding 50 and the busbar 60.

[0040] Compared with the prior art, the busbar assembly mechanism provided by the present invention fixes the coil winding 50 with the fixing component 20, straightens the end of the conductor 51 under the action of the clamping component 30, and then assembles the busbar 60 onto the coil winding 50 under the action of the assembly component 40. The secondary cylinder 34 can drive the clamping cylinder 35 further, so that the conductor 51 can be straightened no matter which direction it is tilted. Moreover, during the assembly process, the busbar 60, supported by the gripper 44, always follows the moving plate 37, so that the conductor 51 is always in a straight state, ensuring the assembly quality. The busbar assembly mechanism requires no manual intervention throughout the process, has high production efficiency, high degree of automation, and is suitable for assembly line production operations.

[0041] The above are merely preferred embodiments of the present invention and are not intended to limit the scope of protection of the present invention. Any modifications, equivalent substitutions or improvements within the spirit of the present invention are covered within the scope of the claims of the present invention.

Claims

1. A busbar assembly mechanism for mounting a busbar on a coil winding, said coil winding being composed of multiple coil frames spliced ​​together, each coil frame having a section of wire wound around it, characterized in that: The busbar assembly mechanism comprises a frame, at least one fixing assembly arranged on the frame, at least two hoop assemblies arranged on two sides of the fixing assembly respectively, and at least one assembly assembly arranged on one side of the two fixing assemblies respectively, the hoop assembly comprises a support plate, a guide rail arranged on the support plate, a first cylinder arranged on the guide rail, a second cylinder fixedly arranged on the support plate and located on one side of the first cylinder, a hoop cylinder connected to the output end of the first cylinder, a fixed plate fixedly arranged on the hoop cylinder, and a moving plate arranged on the output end of the hoop cylinder, the assembly assembly comprises a two-axis moving part, a rotary motor arranged on the output end of the two-axis moving part, a clamping cylinder arranged on the output end of the rotary motor, at least four clamping jaws arranged on the output end of the clamping cylinder, and at least two pressing columns fixedly arranged on one side of the rotary motor, the output end of the second cylinder is connected with the first cylinder through a first connecting block, the first connecting block slides on the guide rail, the output end of the first cylinder is connected with the hoop cylinder through a second connecting block, the second connecting block slides on the guide rail, the fixed plate and the moving plate protrude from the hoop cylinder on the side away from the first cylinder, and the gap between them is in contact, at least three V-shaped grooves are formed on the side of the fixed plate away from the first cylinder, a circular groove is formed at the bottom of the V-shaped groove, the groove width of the circular groove matches the cross-sectional diameter of the wire, a clamping block is arranged on the side of the fixed plate away from the circular groove, a clamping groove is formed on the moving plate corresponding to the positions of the three V-shaped grooves, and a pressing plate is connected to the two hoop assemblies, the two ends of the pressing plate are fixedly connected with two corresponding support plates through a U-shaped connecting piece, and a through groove for penetrating the busbar is formed in the pressing plate corresponding to the position of the coil winding.

2. The busbar assembly of claim 1, wherein: The fixing assembly comprises a positioning plate, a fixing block arranged on the positioning plate, a fixing cylinder arranged on one side of the positioning plate, and a push block arranged on the output end of the fixing cylinder.

3. The busbar assembly of claim 2, wherein: A positioning groove matched with the coil winding is formed on the positioning plate, the fixing block is located on the side of the positioning groove away from the fixing cylinder, the output direction of the fixing cylinder faces the fixing block, and the opposite sides of the fixing block and the push block are matched with the circumferential outer wall of the coil winding.

4. The busbar assembly of claim 1, wherein: The support plate movably sleeves at least four guide columns fixedly arranged on the frame, a spring is sleeved on the guide column, one end of the spring abuts against the frame, and the other end abuts against the support plate.

5. The busbar assembly of claim 1, wherein: One side of the first and second connecting blocks is provided with a limiting column.

6. The busbar assembly of claim 1, wherein: At least two limiting screws are arranged on the fixed plate, at least two limiting grooves are formed on the moving plate, and the limiting screws are located in the limiting grooves.

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