PCB wire harness welding fixture

Abstract

This invention discloses a PCB board wire harness soldering fixture, including a mounting base. The mounting base is provided with several clamping units and connecting rods. Each clamping unit includes a placement position, a PCB board clamping module, and a wire harness clamping component. The PCB board clamping module uses a cam in conjunction with X-axis and Y-axis clamping components. A single power source can unlock and clamp the PCB board placed in the placement position in both the X and Y reference directions. The wire harness clamping component unlocks and clamps the wire harness by flipping. The entire fixture has a simple structure, low manufacturing cost, small footprint, simple operation, and high efficiency. Its application on the production line can greatly reduce soldering and product defect rates.

Description

Technical Field

[0001] This invention relates to the field of fixture technology, and in particular to a PCB board wire harness welding fixture. Background Technology

[0002] During the soldering and dispensing process of PCB boards and wire harnesses, the positioned PCB boards and wire harnesses need to be fixed in multiple directions to prevent displacement and shaking during soldering and dispensing, thus ensuring the quality of soldering and dispensing. However, existing PCB board and wire harness soldering fixtures typically have multiple locking components in multiple reference directions, occupying a large space. Furthermore, each locking component in a reference direction requires a power source to drive it during the placement and removal of the PCB board and wire harness, making operation cumbersome and resulting in low efficiency. When multiple power sources drive and lock the locking components in each reference direction, they must be synchronized; otherwise, uneven locking force and deviations in fixing direction can occur. In actual operation, operational errors can easily affect the synchronous cooperation of the locking components, thereby affecting the soldering accuracy of the PCB board and wire harness and reducing product quality. Summary of the Invention

[0003] The purpose of this invention is to overcome the shortcomings of the prior art and provide a PCB board wire harness welding fixture that can achieve unlocking and clamping in both the X and Y reference directions using a single power source, with a simple structure, high operating efficiency, and helps to ensure welding quality and welding yield.

[0004] The objective of this invention is achieved through the following technical solution: A PCB board wire harness soldering fixture includes a mounting base with a plurality of clamping units and a connecting rod. Each clamping unit includes a placement position, a PCB board clamping module, and a wire harness clamping component. The placement position is used to place and position the PCB board and wire harness. The PCB board clamping module includes an X-axis clamping component, a Y-axis clamping component, and a cam. The X-axis clamping component is located on the right side of the placement position, and the Y-axis clamping component is located in front of the placement position. The cam is connected to the side of the X-axis clamping component near the Y-axis clamping component. The connecting rod passes through the lower part of the plurality of clamping units. The X-axis clamping components of the plurality of clamping units are connected to the connecting rod. Under external driving, the connecting rod moves along the left-right direction of the mounting base, causing the X-axis clamping component and the cam to move left-right relative to the PCB board placed at the placement position. During the movement of the cam, it pushes the Y-axis clamping component, causing it to move back-and-forth relative to the PCB board placed at the placement position. The wire harness clamping component can be flipped and positioned near the placement position where the wire harness is placed.

[0005] In a preferred embodiment, the X-axis clamping assembly includes a first fixing part, a first spring, an X-axis slider, an X-axis linear slide, and an X-axis clamping part. The first fixing part is mounted on the mounting base. The first spring is connected between the first fixing part and the X-axis slider. The X-axis slider is connected to the connecting rod and the X-axis linear slide. The X-axis clamping part is connected to the X-axis slider. The cam is connected to the X-axis slider and faces one side of the Y-axis clamping assembly.

[0006] In a preferred embodiment, the Y-axis clamping assembly includes a second fixing part, a second spring, a Y-axis slider, a Y-axis linear slide, and a Y-axis clamping part. The second fixing part is mounted on the mounting base, the second spring is connected between the second fixing part and the Y-axis slider, the Y-axis slider is connected to the Y-axis linear slide, the Y-axis clamping part is connected to the Y-axis slider, and the cam pushes the Y-axis slider during the movement of the X-axis slider.

[0007] In a preferred embodiment, the side of the Y-axis slider facing the X-axis pressing assembly includes a horizontal section and an inclined section. One end of the inclined section is connected to the horizontal section, and the other end of the inclined section extends and tilts to the right outer side of the cam. The cam slides on the inclined section as the X-axis slider moves. Furthermore, the inclined section is an arc surface.

[0008] In a preferred embodiment, a PCB positioning groove and a wire harness positioning groove are provided on the placement position. A limit block is provided at the front end of the PCB positioning groove. The limit block is used to limit the travel of the X-axis pressing part and the Y-axis pressing part toward the placement position.

[0009] In a preferred embodiment, the clamp further includes a cover plate that covers the top surface of the mounting base. The cover plate has a clearance opening that avoids the placement position, the X-axis clamping part, and the Y-axis clamping part. The right side wall of the clearance opening is used to limit the rightward movement of the X-axis clamping part, and the front side wall of the clearance opening is used to limit the forward movement of the Y-axis clamping part.

[0010] In a preferred embodiment, the top surface of the wire harness positioning groove is magnetically connected to the wire harness clamping member.

[0011] In a preferred embodiment, the mounting base is provided with a positioning pin hole.

[0012] In a preferred embodiment, the external drive is an electromagnetic drive component.

[0013] Compared with the prior art, the present invention has at least the following advantages: 1. The welding fixture of the present invention uses a cam in conjunction with the X-axis clamping component and the Y-axis clamping component in the PCB board clamping module. It can unlock and clamp the PCB board placed in the placement position in the X and Y reference directions through a single power source. It has the characteristics of simple structure, low manufacturing cost, small space occupation, simple operation, high efficiency, and can greatly reduce welding and product defect rate.

[0014] 2. The welding fixture of the present invention, the X-axis clamping assembly and the Y-axis clamping assembly, through the setting of spring components (first spring and second spring), buffer the movement impact of the X-axis clamping part and the Y-axis clamping part, and limit the movement range of the X-axis clamping part and the Y-axis clamping part through the limit block and the cover plate, so that the movement of the entire PCB board clamping module is stable and reliable, and avoids damage to related components and PCB board.

[0015] 3. The welding fixture of this invention, through the cooperation of the PCB board clamping module and the wire harness clamping component, achieves clamping and fixing in the X, Y, and Z reference directions, ensuring that there will be no positional displacement during subsequent welding operations, which helps to guarantee welding quality and reduce welding defect rate. Furthermore, the fixture is also equipped with positioning pin holes for precise positioning of the entire fixture for welding and dispensing operations. Attached Figure Description

[0016] To more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings used in the embodiments will be briefly described below.

[0017] Figure 1 This is a schematic diagram of the assembly of the clamp in one embodiment of the present invention; Figure 2 This is a schematic diagram of a PCB board pressing module structure in one embodiment of the present invention; Figure 3 This is a schematic diagram of the base structure in one embodiment of the present invention; Figure 4 This is an assembly diagram of the fixture according to another embodiment of the present invention; Figure 5 This is a schematic diagram illustrating the application of a fixture in a PCB board wire harness soldering line according to an embodiment of the present invention; Figure 6 for Figure 5 Schematic diagram of the clamping and positioning device at the welding position on the welding line; Figure 7 for Figure 5 Schematic diagram of the electromagnetic drive assembly for the loading and unloading positions on the welding line. Detailed Implementation

[0018] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be given below with reference to the accompanying drawings.

[0019] It should be noted that the terms "first," "second," etc., in the specification, claims, and accompanying drawings of this invention are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. Furthermore, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0020] It should also be understood that the terms “upper,” “lower,” “top,” “bottom,” “front,” “back,” “left,” and “right,” etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the present invention.

[0021] like Figure 1 A PCB board wire harness soldering fixture includes a mounting base 10, on which a plurality of clamping units and connecting rods 100 are disposed. Each clamping unit includes a placement position 200, a PCB board clamping module 300, and a wire harness clamping component 400. The placement position 200 is used to place and position the PCB board and wire harness. The PCB board clamping module 300 includes an X-axis clamping component 310, a Y-axis clamping component 320, and a cam 330. The X-axis clamping component 310 is disposed on the right side of the placement position 200, the Y-axis clamping component 320 is disposed on the front side of the placement position 200, and the cam 330 is connected to the X-axis clamping component 310 near the wall. On one side near the Y-axis clamping assembly 320, a connecting rod 100 passes through the lower part of several clamping units. The X-axis clamping assemblies 310 of several clamping units are connected to the connecting rod 100. Under the action of an external drive, the connecting rod 100 moves in the left and right direction along the mounting base 10, causing the X-axis clamping assembly 310 and the cam 330 to move left and right relative to the PCB board placed in the placement position 200. During the movement of the cam 330, it pushes the Y-axis clamping assembly 320 to move back and forth relative to the PCB board placed in the placement position 200. The wire harness clamping member 400 can be flipped and set at the position near the placement position 200 where the wire harness is placed.

[0022] It should be noted that this fixture uses a connecting rod 100 passing under several clamping units as a power component to drive the PCB board clamping module 300. This simultaneously drives the PCB board clamping module 300 to position and clamp the PCB board. The PCB board clamping module 300, through the cooperation of the cam 330, the X-axis clamping assembly 310, and the Y-axis clamping assembly 320, achieves a single power source driving the connecting rod 100. This allows the fixture to unlock and lock in both the X and Y directions (i.e., along the left-right direction and along the front-back direction). Specifically, the X-axis clamping assembly 310 is connected to the connecting rod 100. The X-axis clamping assembly 310 is located on the right side of the placement position 200, and the Y-axis clamping assembly 320 is located on the front side of the placement position 200. The cam 330 is connected to the side of the X-axis clamping assembly 310 near the Y-axis clamping assembly 320. When the connecting rod 100 is driven to move to the right by an external drive, the connecting rod 100 will drive the X-axis clamping assembly 310 and the cam 330 to move to the right relative to the PCB board placed in the placement position 200, moving away from the PCB board. During this movement, the cam 330 pushes the Y-axis clamping assembly 320, causing it to move forward relative to the PCB board placed in the placement position 200, moving away from the PCB board. In this way, by driving the connecting rod 100 with a power source, the PCB board clamping module 300 moves away from the PCB board in the placement position 200, making it easier to pick up and put down the PCB board. After the PCB board is positioned in the placement position 200... An external drive propels the linkage 100 to the left, causing it to move the X-axis clamping assembly 310 and cam 330 relative to the PCB board placed at position 200, gradually approaching and clamping the right end of the PCB board. During this movement, the cam 330 gradually releases its pushing force on the Y-axis clamping assembly 320, causing the Y-axis clamping assembly 320 to move backward relative to the PCB board placed at position 200, gradually moving the PCB board towards the front end of the PCB board, thus completing the bidirectional clamping of the PCB board. The wire harness clamping component 400 can be flipped and positioned near the wire harness placement position 200. After the PCB board is clamped and the wire harness is positioned, the wire harness clamping component 400 flips to clamp the wire harness, ensuring that both the PCB board and the wire harness are stably positioned at position 200, preventing positional shifts during subsequent soldering operations. This fixture is lightweight, occupies little space, operates reliably, helps ensure soldering quality, reduces soldering defect rates, and is convenient for use with robots for automatic loading and unloading of finished products after soldering.

[0023] To better ensure that the X-axis clamping assembly 310 moves stably mainly in the X-axis (left-right direction), in one embodiment, such as Figure 2The X-axis clamping assembly 310 includes a first fixing part 311, a first spring 312, an X-axis slider 313, an X-axis linear slide 314, and an X-axis clamping part 315. The first fixing part 311 is mounted on the mounting base 10. The first spring 312 is connected between the first fixing part 311 and the X-axis slider 313. The X-axis slider 313 is connected to the connecting rod 100 and the X-axis linear slide 314. The X-axis clamping part 315 is connected to the X-axis slider 313. The cam 330 is connected to the X-axis slider 313 and faces the side of the Y-axis clamping assembly 320.

[0024] It should be noted that the X-axis linear slide 314 provides a precise track for the X-axis slider 313 to move in the left and right directions. When the X-axis slider 313, carrying the X-axis clamping part 315, moves to the right with the connecting rod 100, the first spring 312 is compressed and deformed by the force of the X-axis slider 313, reducing the impact damage of the motion force on the X-axis clamping part 315 and related components. When the X-axis slider 313, carrying the X-axis clamping part 315, moves to the left with the connecting rod 100 to reset, it will drive the X-axis slider 313 to slide along the X-axis linear slide 314 and drive the X-axis clamping part 315 back to its original position. The first spring 312 can prevent the X-axis clamping part 315 from overshooting to the left and causing damage to related components. Thus, through the action of the X-axis slider 313 and the first spring 312, the coordinated work between different components is realized, driving the X-axis clamping part 315 to run accurately and stably along the predetermined path. Cam 330 is connected to X-axis slider 313. Cam 330 faces the Y-axis pressing assembly 320. It can be understood that cam 330 moves with X-axis slider 313 on X-axis linear slide 314, and moves closer to or away from Y-axis pressing assembly 320 during the movement.

[0025] Similarly, the Y-axis clamping assembly 320 is provided with a second fixing part 321, a second spring 322, a Y-axis slider 323, a Y-axis linear slide 324 and a Y-axis clamping part 325. The second fixing part 321 is mounted on the mounting base 10. The second spring 322 is connected between the second fixing part 321 and the Y-axis slider 323. The Y-axis slider 323 is connected to the Y-axis linear slide 324. The Y-axis clamping part 325 is connected to the Y-axis slider 323. The cam 330 pushes the Y-axis slider 323 during the movement of the X-axis slider 313. As can be understood, as described above regarding the X-axis clamping assembly 310, the Y-axis clamping assembly 320, through the action of the Y-axis slider 323 and the second spring 322, enables the coordinated work between different components, driving the Y-axis clamping part 325 to run accurately and stably along a predetermined path; when the cam 330 moves left and right with the X-axis slider 313, it pushes the Y-axis slider 323, thereby causing the Y-axis slider 323 to drive the Y-axis clamping part to unlock or lock as the pushing force changes.

[0026] The linear motion of the X-axis slider 313 drives the cam 330 to move synchronously. To ensure the transmission of force from the cam 330 to the Y-axis pressing assembly 320, the side of the Y-axis slider 323 facing the X-axis pressing assembly 310 includes a horizontal section 323a and an inclined section 323b. One end of the inclined section 323b is connected to the horizontal section 323a, and the other end of the inclined section 323b extends and tilts to the right outer side of the cam 330. The cam 330 slides on the inclined section 323b as the X-axis slider 313 moves. In this way, through the interaction between the cam 330 and the inclined section 323b, the motion is transmitted to the Y-axis slider 323, causing it to move in the Y-axis direction. The cam 330 moves in the X-axis direction along with the X-axis slider 313. When the cam 330 slides on the inclined section 323b, it applies a thrust to the contacted inclined surface. This thrust, after decomposition, has a component force that pushes the Y-axis slider 323 to move in the Y-axis direction. As the cam 330 moves to different positions on the inclined section 323b, this component force can be amplified or reduced. When the cam 330 moves to a position with a larger inclination angle on the inclined section 323b, a larger Y-axis thrust is generated. Conversely, when the cam 330 moves to a position with a smaller inclination angle on the inclined section 323b, a smaller Y-axis thrust is generated. That is, by controlling the movement distance of the X-axis slider 313 through the movement of the connecting rod 100, the position of the cam 330 pressing the inclined section 323b can be precisely controlled, thereby synchronously controlling the displacement of the Y-axis slider 323 in the Y-axis direction. On the other hand, the contact and compression process between the cam 330 and the inclined section 323b is a relatively gradual process. Compared to direct rigid collision, this inclined compression method can play a certain buffering role when subjected to sudden impact. When the Y-axis slider 323 encounters abnormal resistance or overload during its movement, the design of the inclined section 323b allows relative sliding between the cam 330 and the inclined surface, thereby preventing the entire PCB board clamping module 300 from being damaged and failing under external force. Furthermore, the inclined section 323b is set as an arc surface. Compared to a flat inclined surface, the contact and relative movement process between the arc surface and the cam 330 is smoother, reducing impact and vibration during movement. Moreover, the point of force application will be more evenly distributed as the cam 330 moves continuously on the arc surface, reducing excessive local force on the Y-axis slider 323 and lowering the risk of component damage.

[0027] like Figure 1 , Figure 3The placement position 200 is provided with a PCB positioning groove 210 and a wire harness positioning groove 220. A limit stop 211 is provided at the front end of the PCB positioning groove 210. The limit stop 211 is used to limit the travel of the X-axis pressing part 315 and the Y-axis pressing part 325 toward the placement position 200. In one embodiment, a limiting block 211221 is provided on each of the left and right sides of the front end of the PCB positioning groove 210. A notch 222 is provided at the right end of the PCB positioning groove 210. The Y-direction pressing part 325 is U-shaped, and the open end of the Y-direction pressing part 325 can move towards the PCB positioning groove 210 to abut against the front side of the two limiting blocks 211. The X-direction pressing part 315 is T-shaped, and the vertical end of the X-direction pressing part 315 passes through the notch 222 and can move towards the PCB positioning groove 210 to abut against the right side of the limiting block 211 on the right side of the front end of the PCB positioning groove 210. This avoids the X-direction pressing part 315 and the Y-direction pressing part 325 from overshooting and damaging the PCB board when moving towards the PCB positioning groove 210. To further limit the travel of the X-axis clamping part 315 and the Y-axis clamping part 325 away from the PCB positioning groove 210, the fixture is also provided with a cover plate 500. The cover plate 500 covers the top surface of the mounting base 10. The cover plate 500 has a clearance opening 510. The clearance opening 510 avoids the placement position 200, the X-axis clamping part 315 and the Y-axis clamping part 325. The right side wall of the clearance opening 510 is used to limit the travel of the X-axis clamping part 315 to the right, and the front side wall of the clearance opening 510 is used to limit the travel of the Y-axis clamping part 325 to the forward. That is to say, the X-axis clamping part 315 can move to the right to abut the right side wall of the clearance opening 510, and the Y-axis clamping part 325 can move forward to abut the front side wall of the clearance opening 510. Thus, together with the limit stop 211, the left and right movement range of the X-axis clamping part 315 and the front and back movement range of the Y-axis clamping part 325 are limited.

[0028] To facilitate the flipping and positioning of the wire harness clamping member 400, the top surface of the wire harness positioning groove 220 is magnetically connected to the wire harness clamping member 400. Specifically, first magnetic connectors are provided on both sides of the top surface of the wire harness positioning groove 220, and second magnetic connectors are provided on the pressing surface of the wire harness clamping member 400 facing the wire harness positioning groove 220 after flipping. The positions of the first and second magnetic connectors are corresponding, and the wire harness clamping member 400 automatically aligns and magnetically engages when it approaches the wire harness positioning groove 220 after flipping.

[0029] In one embodiment, the mounting base 10 is provided with a positioning pin hole 10a to facilitate fixture positioning for operations such as welding and dispensing. Figures 5 to 7The PCB wire harness welding conveyor line using this fixture, as shown, includes a conveying section 20 and a clamping and unloading section 30. The conveyor line is sequentially equipped with an infeed position 20a, a welding position 20b, a dispensing position 20c, and a curing position. After the PCB wire harness welding fixture is used to position and clamp the PCB board and wire harness as described above, it is placed at the infeed position 20a and sequentially conveyed to each operating position for welding, dispensing, and curing before being conveyed to the clamping and unloading section 30. Corresponding positioning devices can be installed at the welding position 20b, dispensing position 20c, and curing position to ensure stable welding, dispensing, and curing operations for the welding fixture in place. Figure 6 A clamping and positioning device 40 is provided at the welding position 20b. The clamping and positioning device 40 includes a positioning plate 40a and a lifting member 40b. The positioning plate 40a is provided with a welding port 40d and a positioning pin 40c. The lifting member 40b is located below the positioning plate 40a. The lifting member lifts the welding fixture toward the positioning plate 40a. Then, by aligning the positioning pin 40c on the positioning plate 40a with the pin hole on the mounting base 10, the welding fixture is stably clamped between the lifting member and the positioning plate 40a. After clamping, the welding operation is performed on the PCB board and the wire harness welding position 20b through the welding port 40d. After the welding operation is completed, the welding fixture descends back to the conveyor line with the lifting member 40b. That is, the fixture is lifted to the operating height when it reaches the corresponding station by the positioning pin hole 10a, which can achieve precise positioning and ensure welding accuracy. A similar clamping and positioning device 40 is also used at the dispensing station in this PCB board wire harness welding conveyor line. The fixtures that have completed welding, dispensing, and curing operations are conveyed to the clamping and unloading section 30, such as... Figure 5 , Figure 7 The clamping and unloading section 30 is equipped with an unloading position 30a, on which an electromagnetic drive component 30b is installed. After the clamp is clamped and placed in the unloading position 30a, it is connected to the connecting rod 100 through the electromagnetic drive component 30b, which drives the PCB board clamping component to unlock, flipping up the wire harness clamping component 400, allowing the soldered finished product to be removed. It is understandable that the PCB board and wire harness can also be unlocked and positioned by the electromagnetic drive component 30b at the front end of the infeed position 20a.

[0030] The embodiments described above are merely illustrative of several implementations of the present invention, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the invention patent. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of the present invention, and these all fall within the protection scope of the present invention. Therefore, the protection scope of this invention patent should be determined by the appended claims.

Claims

1. A PCB board wire harness soldering fixture, comprising a mounting base, characterized in that, The mounting base is provided with several clamping units and connecting rods. Each clamping unit includes a placement position, a PCB board clamping module, and a wire harness clamping component. The placement position is used to place and position the PCB board and wire harness. The PCB board clamping module includes an X-axis clamping component, a Y-axis clamping component, and a cam. The X-axis clamping component is located on the right side of the placement position, and the Y-axis clamping component is located on the front side of the placement position. The cam is connected to the side of the X-axis clamping component near the Y-axis clamping component. The connecting rod passes through the lower part of the clamping units. The X-axis clamping components of the clamping units are connected to the connecting rod. Under the action of an external drive, the connecting rod moves in the left-right direction along the mounting base, causing the X-axis clamping component and the cam to move left and right relative to the PCB board placed in the placement position. During the movement of the cam, it pushes the Y-axis clamping component to move back and forth relative to the PCB board placed in the placement position. The wire harness clamping component can be flipped and is located near the placement position where the wire harness is placed.

2. The PCB board wire harness welding fixture according to claim 1, characterized in that, The X-axis clamping assembly includes a first fixing part, a first spring, an X-axis slider, an X-axis linear slide, and an X-axis clamping part. The first fixing part is mounted on the mounting base. The first spring is connected between the first fixing part and the X-axis slider. The X-axis slider is connected to the connecting rod and the X-axis linear slide. The X-axis clamping part is connected to the X-axis slider. The cam is connected to the X-axis slider and faces one side of the Y-axis clamping assembly.

3. The PCB board wire harness welding fixture according to claim 2, characterized in that, The Y-axis clamping assembly includes a second fixing part, a second spring, a Y-axis slider, a Y-axis linear slide, and a Y-axis clamping part. The second fixing part is mounted on the mounting base. The second spring is connected between the second fixing part and the Y-axis slider. The Y-axis slider is connected to the Y-axis linear slide. The Y-axis clamping part is connected to the Y-axis slider. The cam pushes the Y-axis slider during the movement of the X-axis slider.

4. The PCB board wire harness welding fixture according to claim 3, characterized in that, The side of the Y-axis slider facing the X-axis pressing assembly includes a horizontal section and an inclined section. One end of the inclined section is connected to the horizontal section, and the other end of the inclined section extends and tilts to the right outer side of the cam. The cam slides on the inclined section as the X-axis slider moves.

5. The PCB board wire harness welding fixture according to claim 4, characterized in that, The inclined section is an arc surface.

6. The PCB board wire harness welding fixture according to claim 5, characterized in that, The placement position is provided with a PCB positioning groove and a wire harness positioning groove. A limit block is provided at the front end of the PCB positioning groove. The limit block is used to limit the travel of the X-axis pressing part and the Y-axis pressing part toward the placement position.

7. The PCB board wire harness welding fixture according to claim 6, characterized in that, It also includes a cover plate that covers the top surface of the mounting base. The cover plate has a clearance opening that avoids the placement position, the X-axis pressing part, and the Y-axis pressing part. The right side wall of the clearance opening is used to limit the rightward movement of the X-axis pressing part, and the front side wall of the clearance opening is used to limit the forward movement of the Y-axis pressing part.

8. The PCB board wire harness welding fixture according to claim 6, characterized in that, The top surface of the wire harness positioning groove is magnetically connected to the wire harness clamping member.

9. The PCB board wire harness soldering fixture according to claim 1, characterized in that, The mounting base is provided with positioning pin holes.

10. The PCB board wire harness soldering fixture according to claim 1, characterized in that, The external drive is an electromagnetic drive component.

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