Automobile low-voltage wiring harness assembly device and method of use thereof

Abstract

This invention provides an automotive low-voltage wiring harness assembly device, specifically relating to the field of automotive low-voltage wiring harness assembly technology. It includes an assembly platform with a positioning plate fixedly mounted on its upper surface. A connector is horizontally placed on the positioning plate. Several low-voltage connecting wires are also mounted on the assembly platform. The automatic assembly mechanism includes two wall groove plates fixedly connected to the upper surface of the assembly platform, automatically connecting the terminals of each low-voltage connecting wire to all the sockets on a connector. This achieves the assembly of the connector and the low-voltage connecting wires. Compared to the existing manual assembly method, this method not only improves the assembly efficiency of low-voltage connecting wires and connectors but also ensures that the terminals and sockets of the low-voltage connecting wires are always horizontally inserted during the assembly process, avoiding damage caused by uneven insertion of the terminals into the sockets. This improves the effectiveness of the low-voltage connecting wire and connector assembly.

Description

Technical Field

[0001] This invention provides an automotive low-voltage wiring harness assembly device and its usage method, specifically relating to the field of automotive low-voltage wiring harness assembly technology. Background Technology

[0002] Wiring harness assembly: The connection and assembly of automotive electronic components refers to the manufacturing process of assembling and connecting multiple electronic components, including wires, cables, connectors, etc., to form a complete wiring harness system. Connecting the wire harness with terminals to the connectors is an essential step in the assembly process. In existing technologies, this is typically done manually by workers on a workbench, inserting the wire harness with terminals into the corresponding connectors to achieve assembly.

[0003] In the authorization announcement number CN215184979U, a precision guiding auxiliary device for assembling wire harness terminals and connectors is disclosed. This auxiliary device aligns with each PIN socket by horizontally moving the guide hole, and guides the terminal with the wire harness into the hole by the guide hole, thereby improving the assembly quality.

[0004] However, this auxiliary device has the following shortcomings in practical use: In the aforementioned auxiliary device and existing technology, during the connection and assembly process of the wire harness and connector, it is still necessary to manually insert the terminal with the wire harness into the connector's socket. This manual insertion method is not only inefficient, but also makes it difficult to ensure that the terminal and socket are horizontal and accurately aligned, easily leading to incomplete insertion. Although the aforementioned auxiliary device has guide holes, during operation, when manually inserting the terminal, the inserted end inevitably comes into contact with the wall of the guide hole, causing unnecessary wear on the terminal and affecting the quality of the wire harness and connector connection and assembly. Therefore, it is evident that the existing technology and the aforementioned auxiliary device have low connection and assembly efficiency and poor assembly effectiveness. Therefore, this invention proposes an automotive low-voltage wire harness assembly device and its usage method to remedy and improve the deficiencies of the existing technology. Summary of the Invention

[0005] In view of the deficiencies of the existing technology, the present invention provides an automotive low-voltage wiring harness assembly device and its usage method, which can effectively solve the related technical problems raised in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: The present invention discloses an automotive low-voltage wiring harness assembly device, including an assembly platform, a positioning plate fixedly disposed on the upper surface of the assembly platform, a connector horizontally placed on the positioning plate, a plurality of low-voltage connecting wires disposed on the assembly platform, a plurality of sockets evenly disposed on the connectors, the low-voltage connecting wires being composed of a wiring harness and a terminal connected to one end of the wiring harness, and a controller fixedly mounted on the upper surface of the assembly platform; An automatic assembly mechanism is provided on the upper surface of the assembly platform. The automatic assembly mechanism includes two wall groove plates fixedly connected to the upper surface of the assembly platform. Both wall groove plates are located on the side of the connector near the insertion hole. A slider plate is slidably provided on the side of the two wall groove plates that are close to each other. A placement plate is fixedly connected to the side of the two slider plates that are close to each other. The placement plate has a receiving groove corresponding to the position of the insertion hole. The shape of the receiving groove is adapted to the shape of the terminal in the low voltage connection line. A U-shaped opening is provided on the placement plate at the position corresponding to each receiving groove. A small motor is fixedly installed on the upper surface of the assembly platform. A lead screw is fixedly connected to the output shaft of the small motor. A lead screw nut is threadedly connected to the lead screw. A connecting plate is fixedly connected between the top surface of the lead screw nut and the bottom surface of the placement plate.

[0007] Preferably, each of the two wall groove plates is provided with a limiting groove on the side that is close to each other, and the slider plate is slidably connected in the limiting groove.

[0008] Preferably, the lead screw is located between the two wall groove plates and is rotatably connected to the upper surface of the assembly platform.

[0009] Preferably, the initial positions of the placement plate and the nut block are both located close to the side of the small motor.

[0010] Preferably, after the placement plate is horizontally displaced towards the connector to its final position, the side surface of the placement plate closest to the connector can be horizontally attached to the outer surface of the connector.

[0011] Preferably, the assembly platform and the wall groove plate are jointly provided with a storage and replacement mechanism. The storage and replacement mechanism includes a storage plate that is fixedly connected to the upper surface of the two wall groove plates. The storage plate is located near the small motor. The storage plate has storage slots that are evenly distributed and correspond to the positions of the receiving slots. Each storage slot is vertically connected and communicates with the corresponding receiving slot. The shape of each storage slot is the same as that of the receiving slot. Two electrically controlled telescopic rods are fixedly installed on the upper surface of the assembly platform near the storage plate. A comb plate is fixedly connected to the telescopic ends of the two electrically controlled telescopic rods. Multiple barrier plates are fixedly connected to the top of the comb plate. The multiple barrier plates are horizontally distributed, and two adjacent barrier plates form a group. The two adjacent barrier plates are located between the bottom of the storage plate and the top of the placement plate. Each barrier plate has an inclined surface on the side near the storage plate.

[0012] Preferably, each of the storage slots is slidably connected with a corresponding slot block, and the side of the slot block near the electrically controlled telescopic rod extends to the outside of the storage slot.

[0013] Preferably, the assembly platform and the wall groove plate are jointly provided with a follow-up processing mechanism. The follow-up processing mechanism includes top grooves opened on the top surfaces of the two wall groove plates. A horizontal plate is slidably connected to the two top grooves. A frame plate is fixedly connected to the bottom of the horizontal plate. An extension frame is fixedly provided on the frame plate at a position corresponding to the connecting plate and the slider plate. Multiple soft brush groups are evenly arranged on the frame plate, and four soft brush groups form a group. The four soft brush groups are rectangularly distributed, and the position of each group of soft brush groups corresponds to the position of each receiving groove. A mating plate is fixedly connected to one end of the horizontal plate. A short rod is rotatably connected to the upper surface of the assembly platform and the side near the mating plate. An inclined plate is fixedly provided on the outer wall of the end of the short rod near the mating plate. The bottom of the mating plate is provided with a latch, and the latch and the inclined plate are slidably engaged. A synchronization component is connected between the end of the short rod away from the inclined plate and the output shaft of the small motor.

[0014] A method of using an automotive low-voltage wiring harness assembly device, using the automotive low-voltage wiring harness assembly device as described above, includes the following steps: Step 1: A worker manually places a connector horizontally on a positioning plate, ensuring that the socket faces the placement plate.

[0015] Step 2: Before placing the low-voltage connection wires, first retract the telescopic ends of the two comb plates using the controller to move each barrier plate away from the storage plate. Then, place each required low-voltage connection wire into the storage slot in a stacked manner. Afterward, control the telescopic ends of the comb plates to extend horizontally to reset each barrier plate.

[0016] Step 3: Start the small motor by controlling the output shaft to rotate in the forward direction, which will drive the placement plate and the terminals placed in each receiving slot to move towards the socket on the connector until the terminals are horizontally inserted into the corresponding sockets, thus realizing the connection and assembly of the connector and each low-voltage connection wire.

[0017] Step 4: After the connectors and low-voltage connection lines are connected and assembled, the staff will remove them and then control the output shaft of the small motor to rotate in the reverse direction, driving each placement plate and each receiving slot to move and reset in the reverse direction.

[0018] Step 5: After each receiving slot is reset, the telescopic end of the comb plate retracts, causing each barrier plate to move synchronously. Then, the terminal in the next low-voltage connection line falls into the corresponding receiving slot under the action of gravity.

[0019] Step 5: Repeat steps 1 and 3 above to reassemble the connector with each low-voltage cable.

[0020] Step Six: During the assembly process of connecting the connectors and each low-voltage connecting wire, use each soft brush group to scrape the four outer surfaces of each terminal to remove dust and impurities from the outer surfaces of the terminals.

[0021] Preferably, in step two, after the low-voltage connecting wires are stacked, each slot block is placed into the corresponding storage slot and pressed against the upper surface of the terminal of the low-voltage connecting wire located inside the storage slot and at the top.

[0022] The present invention has the following beneficial effects: The automotive low-voltage wiring harness assembly device can automatically connect and mate the terminals of each low-voltage connecting wire with all the sockets on a connector in one go, thereby realizing the assembly of the connector and the low-voltage connecting wire. Compared with the manual assembly method in the prior art, this method can not only improve the assembly efficiency of low-voltage connecting wire and connector, but also ensure that the terminals and sockets in the low-voltage connecting wire are always inserted horizontally during the assembly process, avoiding damage caused by uneven insertion of the terminals into the sockets, thereby improving the effectiveness of low-voltage connecting wire and connector assembly. The automatic insertion method is more accurate than the manual insertion method, avoiding the situation where the low-voltage connection wire and the connector are not properly inserted during manual insertion, thus ensuring the assembly quality between the two and facilitating subsequent use; The storage slots provide storage space for each low-voltage cable. Compared to the existing method of scattering low-voltage cables on the workbench, this method ensures that the low-voltage cables are neatly arranged and avoids tangling, thus ensuring the orderliness of the workbench. By utilizing components such as storage slots and barrier plates in conjunction with an automatic assembly mechanism, workers no longer need to manually place the required low-voltage connection wires. After a connector is assembled with each low-voltage connection wire, new low-voltage connection wires can automatically fall into their corresponding receiving slots for further assembly. This method not only reduces the workload of workers but also further improves the efficiency of connecting and assembling connectors and low-voltage connection wires. During the horizontal movement and assembly of each terminal, a corresponding soft brush group is set on the movement path of each terminal, and each soft brush group can move back and forth simultaneously against the four outer surfaces of the terminal, thereby effectively scraping off the dust and impurities attached to the outer surface of the terminal, preventing impurities from adhering to the terminal, and thus preventing dust and impurities from affecting the insertion and mating of the low-voltage connection line and the connector, thereby ensuring the assembly quality between the two. Attached Figure Description

[0023] Figure 1 This is a front-view perspective view of the present invention. Figure 2 This is a three-dimensional structural diagram of the present invention from another perspective; Figure 3 This is a partial three-dimensional structural diagram of the relevant components at the wall groove plate in this invention; Figure 4 This is a partial exploded three-dimensional structural view of the slider plate and related components at the placement plate in this invention; Figure 5 This is a partial bottom-view perspective structural diagram of the partially cut section of the wall groove plate and the related components at the placement plate location in this invention. Figure 6 This is a partial three-dimensional structural diagram of the relevant components at the storage plate in this invention; Figure 7 This is a partial three-dimensional structural diagram of the relevant components in the partially cut state of the storage plate in this invention; Figure 8 This is a partial exploded three-dimensional structural view of the relevant components at the storage plate in this invention; Figure 9 This is a partial three-dimensional structural diagram of the relevant components at the top groove in this invention; Figure 10 This is a structural diagram showing the positional relationship between the frame plate and related components at the placement plate in this invention; Figure 11 This is a partial bottom-view perspective view of the relevant components at the frame plate in this invention; Figure 12 This is a partial three-dimensional structural diagram of the components related to the inclined disk and mating plate in this invention.

[0024] The labels in the diagram represent: 1. Assembly platform; 11. Positioning plate; 111. Connector; 112. Low-voltage connection cable; 12. Controller; Automatic assembly mechanism: 21. Wall groove plate; 22. Sliding plate; 23. Placement plate; 24. Receiving groove; 25. U-shaped opening; 26. Small motor; 27. Lead screw; 28. Lead screw nut block; 29. ​​Connecting plate; Storage and replacement mechanisms: 31. Storage board; 32. Storage slot; 321. Slot block; 33. Electrically controlled telescopic rod; 34. Comb plate; 35. Barrier plate; Follow-up processing mechanism: 41. Top groove; 42. Horizontal plate; 43. Frame plate; 431. Extension frame; 44. Soft brush group; 45. Short rod; 46. Inclined plate; 47. Matching plate; 48. Synchronization component. Detailed Implementation

[0025] The present invention will be further described below with reference to embodiments.

[0026] Example 1: As Figures 1 to 5 As shown, an automotive low-voltage wiring harness assembly device includes an assembly platform 1. A positioning plate 11 is fixedly mounted on the upper surface of the assembly platform 1. A connector 111 is horizontally placed on the positioning plate 11. The size of the positioning plate 11 is adapted to the connector 111, ensuring that the connector 111 is perfectly embedded within the positioning plate 11. The assembly platform 1 also has several low-voltage connecting wires 112. Multiple insertion holes are evenly distributed on the connector 111. Each low-voltage connecting wire 112 consists of a wiring harness and a terminal connected to one end of the wiring harness. Both the connector 111 and the low-voltage connecting wires 112 are components of existing automotive low-voltage wiring harnesses. The terminals can be horizontally inserted into the insertion holes to achieve the assembly of the low-voltage connecting wires 112 and the connectors 111. A controller 12 is fixedly mounted on the upper surface of the assembly platform 1.

[0027] An automatic assembly mechanism is provided on the upper surface of the assembly platform 1. The automatic assembly mechanism includes two wall groove plates 21 fixedly connected to the upper surface of the assembly platform 1. Both wall groove plates 21 are located on the side of the connector 111 near the insertion hole. A slider plate 22 is slidably provided on the side of the two wall groove plates 21 that is close to each other. Each side of the two wall groove plates 21 that is close to each other is provided with a limiting groove. The slider plate 22 is slidably connected in the limiting groove, and the slider plate 22 can only move horizontally along the trajectory of the limiting groove. A placement plate 23 is fixedly connected to the side of the two slider plates 22 that is close to each other. The placement plate 23 has a receiving groove 24 corresponding to the position of the insertion hole. The shape of the receiving groove 24 is adapted to the shape of the terminal in the low voltage connection line 112. That is to say, the terminal can be placed into the receiving groove 24 from top to bottom. Initially, each receiving groove 24 contains one terminal. Only one terminal is shown in the figure. Each placement plate 23 has a U-shaped opening 25 at a position corresponding to each receiving slot 24. A small motor 26 is fixedly installed on the upper surface of the assembly platform 1, and the small motor 26 is controlled by the aforementioned controller 12. A lead screw 27 is fixedly connected to the output shaft of the small motor 26. The lead screw 27 is located between two wall slot plates 21, and the end of the lead screw 27 away from the small motor 26 is rotatably connected to the upper surface of the assembly platform 1. A threaded nut block 28 is threadedly connected to the lead screw 27. The initial positions of the placement plate 23 and the thread nut block 28 are both located on the side closer to the small motor 26. A connecting plate 29 is fixedly connected between the top surface of the thread nut block 28 and the bottom surface of the placement plate 23. After the placement plate 23 is horizontally moved towards the connector 111 to its final position, the surface of the placement plate 23 near the connector 111 can be horizontally attached to the outer surface of the connector 111. Specifically, after the placement plate 23 moves to its final position, the terminal placed in the receiving slot 24 can be inserted into the corresponding socket.

[0028] In use: The operator first places a connector 111 horizontally on the positioning plate 11, ensuring that each socket on the connector 111 faces the respective placement plate 23. The positioning plate 11 ensures that each socket of the connector 111 is aligned with the receiving groove 24. Then, the controller 12 starts the small motor 26. After starting, the small motor 26 drives the lead screw 27 to rotate forward through its output shaft. As the lead screw 27 rotates forward, under the limiting action of the limiting groove in the wall groove plate 21 and the slider plate 22, it drives the lead nut block 28 and the placement plate 23 to gradually move towards the connector 111. This causes the low-voltage connecting wires 112 placed inside the receiving groove 24 to move synchronously until each terminal is simultaneously inserted into its corresponding socket. This completes the assembly of one connector 111 and each low-voltage connecting wire 112. After a connector 111 is assembled with each low-voltage connecting cable 112, both the connector 111 and the low-voltage connecting cables 112 are positioned close to the positioning plate 11. The operator then manually removes the connector 111 upwards from the positioning plate 11. Simultaneously, the terminals of the low-voltage connecting cables 112, already assembled with the connector 111, also move upwards away from the receiving groove 24. During this process, the wire harness in the low-voltage connecting cables 112 moves upwards from the U-shaped opening 25. As the operator removes the connector 111 and the low-voltage connecting cables 112, the wire harness passes smoothly through the U-shaped opening 25 and the receiving groove 24. The assembled connector 111 and low-voltage connecting cables 112 can then be removed. The next connector 111 is then placed horizontally on the positioning plate 11 for subsequent assembly.

[0029] Therefore, through the cooperation of components such as the placement plate 23, the receiving slot 24, and the small motor 26, the terminals of each low-voltage connecting line 112 can be automatically connected to all the sockets on a connector 111 at once, thereby realizing the assembly of the connector 111 and the low-voltage connecting line 112. Compared with the manual assembly method in the prior art, this method can not only improve the assembly efficiency of the low-voltage connecting line 112 and the connector 111, but also ensure that the terminals and sockets of the low-voltage connecting line 112 are always inserted horizontally during the assembly process, avoiding damage caused by uneven insertion of the terminals into the sockets, thereby improving the effectiveness of the assembly of the low-voltage connecting line 112 and the connector 111.

[0030] Meanwhile, the automatic insertion method is more accurate than the manual insertion method, avoiding the situation where the low-voltage connection line 112 and the connector 111 are not properly inserted during manual insertion, thus ensuring the assembly quality between the two and facilitating subsequent use.

[0031] Example 2: Figure 1 , Figure 2 as well as Figures 6 to 8As shown, the automotive low-voltage wiring harness assembly device also includes an assembly platform 1 and a storage and replacement mechanism jointly provided on the wall slot plate 21. The storage and replacement mechanism includes a storage plate 31 fixedly connected to the upper surface of the two wall slot plates 21. The storage plate 31 is located near the small motor 26. The storage plate 31 has evenly spaced storage slots 32 corresponding to the positions of the receiving slots 24. Each storage slot 32 is vertically connected and communicates with the corresponding receiving slot 24. The shape of each storage slot 32 is the same as the shape of the receiving slot 24. That is to say, the terminals of the low-voltage connecting wire 112 can also be placed inside each storage slot 32, and multiple terminals can be stacked in the storage slot 32. Two electrically controlled telescopic rods 33 are fixedly installed on the upper surface of the assembly platform 1 near the storage plate 31. Both electrically controlled telescopic rods 33 are controlled by the aforementioned controller 12. Each storage slot 32 is slidably connected to a corresponding slot block 321. The slot block 321 extends to the outside of the storage slot 32 from the side near the electrically controlled telescopic rod 33. Only one slot block 321 is shown in the figure, and the slot block 321 can be slidably removed from the storage slot 32 from bottom to top. In use, one slot block 321 can be placed in each storage slot 32. A comb plate 34 is fixedly connected to the telescopic ends of the two electrically controlled telescopic rods 33. Multiple baffle plates 35 are fixedly connected to the top of the comb plate 34. The multiple baffle plates 35 are horizontally distributed, and two adjacent baffle plates 35 form a group. The two adjacent baffle plates 35 are located between the bottom of the storage plate 31 and the top of the placement plate 23. Specifically, two baffle plates 35 are located between the bottom of the storage slot 32 and the top of the receiving slot 24, and each baffle plate 35 can be horizontally displaced between the bottom of the storage slot 32 and the top of the placement plate 23. Initially, the baffle plate 35 is located between two adjacent terminals. Each barrier 35 has an inclined surface on the side closest to the storage plate 31.

[0032] When using: such as Figure 6 As shown, beforehand, workers can place the terminals of each low-voltage connecting wire 112 in the storage slot 32 in a stacked manner. Since the shape of each storage slot 32 is adapted to the shape of the terminals, workers can easily stack each terminal in the corresponding storage slot 32. After stacking, workers manually place the slot block 321 into the corresponding storage slot 32 from top to bottom, so that the slot block 321 contacts the terminal at the top of the storage slot 32. Under the gravity of the slot block 321, the stability and tightness of the stacked terminals are ensured. The storage slots 32 provide storage space for each low-voltage connecting wire 112. Compared with the existing technology of directly scattering the low-voltage connecting wires 112 on the workbench, this method can ensure that the low-voltage connecting wires 112 are neatly and orderly placed, avoiding tangling between them, thereby ensuring the orderliness of the worker's workbench.

[0033] When the next connector 111 needs to be connected and assembled with each low-voltage connecting wire 112, the operator controls the output shaft of the small motor 26 to rotate in the reverse direction via the controller 12, thereby driving the lead screw 27 to rotate in the reverse direction, which in turn causes the placement plate 23 and each receiving slot 24 to move and reset in the reverse direction. When the placement plate 23 is reset to directly below the receiving plate 31, the controller 12 controls the telescopic ends of the two electrically controlled telescopic rods 33 to retract horizontally, causing the comb plate 34 and each barrier plate 35 to move horizontally away from the receiving plate 31. As the barrier plates 35 move horizontally away from the receiving plate 31, the terminals of each low-voltage connecting wire 112 stacked inside the receiving slot 32 will move downward under their own gravity and the gravity of each slot block 321, thus causing a terminal to fall into the corresponding receiving slot 24. Subsequently, the controller 12 controls the telescopic ends of the two electrically controlled telescopic rods 33 to extend horizontally, thereby driving each barrier plate 35 to return to its horizontal position. During the resetting process, the inclined surfaces of each barrier plate 35 will abut against the gap between two adjacent terminals. As the inclined surfaces continue to move horizontally, the terminals above the barrier plate 35 will move upward synchronously inside the storage slot 32 for subsequent use.

[0034] As the terminals of the new low-voltage connecting wires 112 fall into the corresponding receiving slots 24, the controller 12 restarts the small motor 26, which drives the lead screw 27 to rotate in the forward direction. This causes the terminals inside each receiving slot 24 to move horizontally again, thereby achieving the connection and assembly of the second connector 111 with each low-voltage connecting wire 112. By repeating the above steps, the connection and assembly of each connector 111 with each low-voltage connecting wire 112 can be achieved.

[0035] Therefore, by utilizing the storage slot 32 and the barrier plate 35 and other components in conjunction with the automatic assembly mechanism, the operator does not need to manually place the required low-voltage connection wires 112. After a connector 111 is assembled with each low-voltage connection wire 112, each new low-voltage connection wire 112 can automatically fall into the corresponding receiving slot 24 for further assembly. This method not only reduces the workload of the operator, but also further improves the connection and assembly efficiency of the connector 111 and the low-voltage connection wire 112.

[0036] Example 3: Figure 1 , Figure 2 as well as Figures 9 to 12As shown, a follow-up processing mechanism is jointly provided on the assembly platform 1 and the wall groove plate 21. The follow-up processing mechanism includes top grooves 41 opened on the top surface of the two wall groove plates 21. A horizontal plate 42 is slidably connected to the two top grooves 41. A frame plate 43 is fixedly connected to the bottom of the horizontal plate 42. An extension frame 431 is fixedly provided on the frame plate 43 at a position corresponding to the connecting plate 29 and the slider plate 22. Specifically, the bottom height of the extension frame 431 corresponding to the connecting plate 29 is higher than the height of the aforementioned nut block 28, and the extension frame 431 allows the connecting plate 29 to move horizontally. That is, the frame plate 43 and the extension frame 431 will not obstruct the horizontal displacement of the nut block 28 and the connecting plate 29. The extension frame 431 corresponding to the position of the slider plate 22 allows the slider plate 22 to pass through horizontally. Multiple soft brush groups 44 are evenly arranged on the frame plate 43, with four soft brush groups 44 forming a group. The four soft brush groups 44 are rectangularly distributed, and the position of each group of soft brush groups 44 corresponds to the position of each receiving slot 24. Specifically, the four soft brush groups 44 can contact the four outer surfaces of the terminals in the low-voltage connection line 112, and the placement plate 23 can pass horizontally through the frame plate 43 and the soft brush groups 44. In addition, a negative pressure vacuuming device, such as a vacuum cleaner, can be installed on the upper surface of the assembly platform 1. This negative pressure vacuuming device is prior art and is not shown in the figure. The suction port of the negative pressure vacuuming device is located directly below each soft brush group 44. A mating plate 47 is fixedly connected to one end of the horizontal plate 42. A short rod 45 is rotatably connected to the upper surface of the assembly platform 1 and the side near the mating plate 47. An inclined plate 46 is fixedly installed on the outer wall of the end of the short rod 45 near the mating plate 47. The bottom of the mating plate 47 is provided with a bayonet, and the bayonet and the inclined plate 46 are in sliding fit. A synchronization component 48 is connected between the end of the short rod 45 away from the inclined plate 46 and the output shaft of the small motor 26. The synchronization component 48 consists of two synchronous pulleys and a belt that drives between the two synchronous pulleys. One synchronous pulley is fixedly connected to the output shaft of the small motor 26, and the other synchronous pulley is fixedly connected to the end of the short rod 45 away from the inclined plate 46.

[0037] In use: Furthermore, considering that dust and impurities may adhere to the surface of the terminals of the low-voltage connecting line 112 during the aforementioned assembly or shipping process, to ensure the effectiveness of the connection assembly between the connector 111 and the low-voltage connecting line 112, during the horizontal displacement of each terminal towards the respective sockets of the connector 111 driven by the placement plate 23, each terminal will also horizontally pass between each soft brush group 44, thereby causing each soft brush group 44 to adhere to the four outer surfaces of each terminal. Simultaneously, as the small motor 26 rotates, it will also drive the short rod 45 and the inclined plate 46 to rotate synchronously via the synchronization component 48. After the inclined plate 46 rotates, under the cooperation of the mating plate 47 and the inclined plate 46, the horizontal plate 42 will reciprocate horizontally along the trajectory of the top groove 41, thereby causing each soft brush group 44 to reciprocate horizontally against the four outer surfaces of each terminal, thus scraping the four outer surfaces of each terminal. Meanwhile, during the scraping process of each soft brush group 44, the negative pressure dust collection device can be activated to automatically collect the dust and impurities falling from the brushes through the suction port, preventing impurities and dust from falling onto the upper surface of the assembly platform 1.

[0038] Therefore, during the horizontal movement assembly of each terminal, a corresponding soft brush group 44 is set on the movement path of each terminal, and each soft brush group 44 can simultaneously reciprocate along the four outer surfaces of the terminal, thereby effectively scraping off the dust and impurities attached to the outer surface of the terminal, preventing impurities from adhering to the terminal, and thus preventing dust and impurities from affecting the insertion and mating of the low-voltage connection line 112 and the connector 111, thereby ensuring the assembly quality between the two.

[0039] Example 4: Based on the automotive low-voltage wiring harness assembly device described in Examples 1 to 3 above, a method for using the automotive low-voltage wiring harness assembly device is now proposed. This method utilizes the automotive low-voltage wiring harness assembly device as described above and includes the following steps: Step 1: The staff manually places a connector 111 horizontally on the positioning plate 11, ensuring that the socket faces the placement plate 23.

[0040] Step 2: Before placing the low-voltage connecting wires 112, first retract the telescopic ends of the two comb plates 34 through the controller 12, so that each barrier plate 35 moves away from the storage plate 31. Then, place each required low-voltage connecting wire 112 into the inside of each storage slot 32 in a stacked manner. Afterward, control the telescopic ends of the comb plates 34 to extend horizontally, so that each barrier plate 35 returns to its original position.

[0041] Step 3: Start the controller 12 and control the output shaft of the small motor 26 to rotate in the forward direction, which drives the placement plate 23 and the terminals placed in each receiving slot 24 to move towards the socket on the connector 111 until the terminals are horizontally inserted into the corresponding sockets, thereby realizing the connection and assembly of the connector 111 and each low-voltage connection line 112.

[0042] Step 4: After the connector 111 is connected and assembled with each low-voltage connection line 112, the staff will remove them and then control the output shaft of the small motor 26 to rotate in the reverse direction through the controller 12, so as to drive each placement plate 23 and each receiving slot 24 to move and reset in the reverse direction.

[0043] Step 5: After each receiving slot 24 is reset, the telescopic end of the comb plate 34 retracts, causing each barrier plate 35 to move synchronously. Then, the terminal in the next low-voltage connection line 112 falls into the corresponding receiving slot 24 under the action of gravity.

[0044] Step 5: Repeat steps 1 and 3 above to reconnect and assemble connector 111 with each low-voltage connection line 112.

[0045] Step Six: During the connection and assembly process of the connector 111 and each low-voltage connecting line 112, each soft brush group 44 scrapes against the four outer surfaces of each terminal to remove dust and impurities from the outer surfaces of the terminals.

[0046] Furthermore, in step two, after the low-voltage connecting wires 112 are stacked, each slot block 321 is placed into the corresponding storage slot 32 and pressed against the upper surface of the terminal of the uppermost low-voltage connecting wire 112 located inside the storage slot 32.

[0047] The above embodiments are only used to illustrate the technical solutions of the present invention, and are not intended to limit it. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A low-voltage wiring harness assembly device for automobiles, comprising an assembly platform, a positioning plate fixedly disposed on the upper surface of the assembly platform, a connector horizontally placed on the positioning plate, and a plurality of low-voltage connecting wires disposed on the assembly platform, characterized in that, The connector is provided with a plurality of sockets evenly distributed. The low-voltage connection line is composed of a wire harness and a terminal connected to one end of the wire harness. A controller is fixedly installed on the upper surface of the assembly platform. An automatic assembly mechanism is provided on the upper surface of the assembly platform. The automatic assembly mechanism includes two wall groove plates fixedly connected to the upper surface of the assembly platform. Both wall groove plates are located on the side of the connector near the insertion hole. A slider plate is slidably provided on the side of the two wall groove plates that are close to each other. A placement plate is fixedly connected to the side of the two slider plates that are close to each other. The placement plate has a receiving groove corresponding to the position of the insertion hole. The shape of the receiving groove is adapted to the shape of the terminal in the low voltage connection line. A U-shaped opening is provided on the placement plate at the position corresponding to each receiving groove. A small motor is fixedly installed on the upper surface of the assembly platform. A lead screw is fixedly connected to the output shaft of the small motor. A lead screw is threadedly connected to the lead screw. A lead screw sleeve is fixedly connected between the top surface of the lead screw sleeve and the bottom surface of the placement plate. The assembly platform and the wall groove plate are jointly provided with a storage and replacement mechanism. The storage and replacement mechanism includes a storage plate that is fixedly connected to the upper surface of the two wall groove plates. The storage plate is located near the small motor. The storage plate has storage slots that are evenly opened, corresponding to the positions of the receiving slots. Each storage slot is vertically connected and communicates with the corresponding receiving slot. The shape of each storage slot is the same as that of the receiving slot. Two electrically controlled telescopic rods are fixedly installed on the upper surface of the assembly platform near the storage plate. A comb plate is fixedly connected to the telescopic ends of the two electrically controlled telescopic rods. Multiple barrier plates are fixedly connected to the top of the comb plate. The multiple barrier plates are horizontally distributed, and two adjacent barrier plates form a group. The two adjacent barrier plates are located between the bottom of the storage plate and the top of the placement plate. Each barrier plate has an inclined surface on the side near the storage plate. The assembly platform and the wall groove plate are jointly provided with a follow-up processing mechanism. The follow-up processing mechanism includes top grooves opened on the top surfaces of the two wall groove plates. A horizontal plate is slidably connected to the two top grooves. A frame plate is fixedly connected to the bottom of the horizontal plate. An extension frame is fixedly provided on the frame plate at a position corresponding to the connecting plate and the slider plate. Multiple soft brush groups are evenly arranged on the frame plate, and four soft brush groups form a group. The four soft brush groups are distributed in a rectangular shape, and the position of each group of soft brush groups corresponds to the position of each receiving groove. A mating plate is fixedly connected to one end of the horizontal plate. A short rod is rotatably connected to the upper surface of the assembly platform and the side near the mating plate. An inclined plate is fixedly provided on the outer wall of the end of the short rod near the mating plate. The bottom of the mating plate is provided with a latch, and the latch and the inclined plate are slidably engaged. A synchronization component is connected to the output shaft of a small motor at the end of the short rod away from the inclined plate.

2. The automotive low-voltage wiring harness assembly device according to claim 1, characterized in that, Each of the two wall groove plates is provided with a limiting groove on the side that is close to each other, and the slider plate is slidably connected in the limiting groove.

3. The automotive low-voltage wiring harness assembly device according to claim 1, characterized in that, The lead screw is located between the two wall groove plates and is rotatably connected to the upper surface of the assembly platform.

4. The automotive low-voltage wiring harness assembly device according to claim 1, characterized in that, The initial positions of the placement plate and the nut block are both located close to the side of the small motor.

5. The automotive low-voltage wiring harness assembly device according to claim 4, characterized in that, After the placement plate is horizontally displaced towards the connector to its final position, the side surface of the placement plate closest to the connector can be horizontally attached to the outer surface of the connector.

6. The automotive low-voltage wiring harness assembly device according to claim 1, characterized in that, Each of the storage slots is slidably connected to a corresponding slot block, and the side of the slot block closest to the electrically controlled telescopic rod extends to the outside of the storage slot.

7. A method of using an automotive low-voltage wiring harness assembly device, characterized in that, The method of using the automotive low-voltage wiring harness assembly device as described in any one of claims 1 to 6 includes the following steps: Step 1: The staff manually places a connector horizontally on the positioning plate, ensuring that the socket faces the plate; Step 2: Before stacking the low-voltage connection wires, first retract the telescopic ends of the two comb plates using the controller to move each barrier plate away from the storage plate. Then, place each required low-voltage connection wire into the storage slot in a stacked manner. Afterward, control the telescopic ends of the comb plates to extend horizontally to reset each barrier plate. Step 3: Start the controller and control the output shaft of the small motor to rotate in the forward direction, which will drive the placement plate and the terminals placed in each receiving slot to move towards the socket on the connector until the terminals are horizontally inserted into the corresponding sockets, thus realizing the connection and assembly of the connector and each low-voltage connection wire. Step 4: After the connectors and low-voltage connection lines are connected and assembled, the staff will remove them and then control the output shaft of the small motor to rotate in the reverse direction, which will drive the placement plates and the receiving slots to move and reset in the reverse direction. Step 5: After each receiving slot is reset, the telescopic end of the comb plate retracts, causing each barrier plate to move synchronously. Then, the terminal in the next low-voltage connection line falls into the corresponding receiving slot under the action of gravity. Step 5: Repeat steps 1 and 3 above to reassemble the connector with each low-voltage cable. Step Six: During the assembly process of connecting the connectors and each low-voltage connecting wire, use each soft brush group to scrape the four outer surfaces of each terminal to remove dust and impurities from the outer surfaces of the terminals.

8. The method of using the automotive low-voltage wiring harness assembly device according to claim 7, characterized in that, In step two, after the low-voltage connecting wires are stacked, each slot block is placed into the corresponding storage slot and pressed against the upper surface of the terminal of the top low-voltage connecting wire located inside the storage slot.

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