A method for manufacturing a battery pack sub-control box substrate

Abstract

The present invention discloses a method for manufacturing a baseplate for a battery pack sub-control box, comprising the following steps: S1, machining and forming the plate body, incoming wiring block, and outgoing wiring block; S2, drilling the incoming wiring block; S3, installing a locking mechanism; and S4, installing the baseplate. The present invention's simple manufacturing method not only improves the machining accuracy of the sub-control box baseplate, but also significantly enhances the connection stability between the incoming plug and the baseplate, reducing the risk of the incoming plug falling off during sub-control box operation, which could affect the normal operation of the battery pack.

Description

Technical Field

[0001] The invention relates to a method for manufacturing a battery pack sub-control box substrate. Background Art

[0002] Current electric vehicle battery packs contain electrical components such as relays and fuses. These electrical components are generally arranged in an open manner and scattered inside the battery pack.

[0003] To ensure the normal operation of various electrical components, wiring harnesses are generally connected through a sub-control box. However, when connecting the incoming line plug to the sub-control box in the prior art, due to long-term use or vibration, the incoming line plug is easily disconnected, affecting the normal use of the battery pack and posing certain safety risks. Summary of the Invention

[0004] The purpose of the present invention is to provide a technical solution for a method for manufacturing a battery pack sub-control box substrate in response to the shortcomings of the prior art. The manufacturing method has simple steps, which can not only improve the processing accuracy of the sub-control box substrate, but also greatly improve the connection stability between the incoming plug and the substrate, thereby reducing the impact on the normal use of the battery pack due to the falling off of the incoming plug when the sub-control box is working.

[0005] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0006] A method for manufacturing a battery pack sub-control box substrate, characterized by comprising the following steps:

[0007] S1, plate body, incoming wiring block and outgoing wiring block are processed and formed

[0008] a. First, the required plate, incoming wiring block, and outgoing wiring block are formed by integral processing. The incoming wiring block and outgoing wiring block are located on both sides of the plate. The edges of the plate are integrally formed with convex strips. The plate, incoming wiring block, outgoing wiring block, and convex strips are deburred.

[0009] b. Then, a jack is opened along the incoming wiring block, so that the jack passes through the incoming wiring block horizontally, and metal contacts are installed on the inner wall of the jack. Outlet holes are opened along the outgoing wiring block, and metal contacts are installed in each outlet hole. The metal contacts in the jack are electrically connected to the metal contacts in the outlet holes.

[0010] c. Then install the end cover on one end of the incoming wiring block;

[0011] d. Finally, open the mounting holes along the convex strips;

[0012] S2. Drilling of incoming wiring block

[0013] a. First, place the processed plate upside down on the base, so that the outgoing wiring block is limited in the limiting hole of the base, and the incoming wiring block faces the side of the drilling mechanism of the base. The drilling mechanism is connected to the base through the horizontal drive mechanism;

[0014] b. Then start the clamping mechanism to fix the plate to the base;

[0015] c. Then, the position of the drilling mechanism is adjusted by the horizontal driving mechanism so that the drilling mechanism is close to the incoming wiring block, and a through hole is drilled horizontally along the incoming wiring block by the drilling mechanism, and the through hole passes horizontally through the end cover;

[0016] S3. Locking mechanism installation

[0017] a. First, determine the size of the locking mechanism based on the size of the end cap and incoming wiring block, and make the corresponding rectangular frame, spring, and at least three sets of locking pieces. Install the locking pieces on the same side of the rectangular frame.

[0018] b. Then put the spring onto the locking piece, with one end of the spring against the rectangular frame and the other end against the end cover;

[0019] S4. Substrate installation

[0020] a. Install the baseboard at the set position of the sub-control box;

[0021] b. Then rotate the locking piece outward, insert the incoming plug into the socket of the incoming wiring block, and rotate the locking piece in the opposite direction so that the locking piece rests against the outside of the incoming plug. The incoming plug is locked under the action of the spring;

[0022] c. Finally, install the outlet plug in the outlet hole of each outlet wiring block.

[0023] The manufacturing method has simple steps and can not only improve the processing accuracy of the sub-control box substrate, but also greatly improve the connection stability between the incoming plug and the substrate, reducing the impact on the normal use of the battery pack due to the incoming plug falling off when the sub-control box is working.

[0024] Furthermore, the horizontal driving mechanism in step S2 process a includes a guide rail, a first motor, a first screw and a sliding plate. The two guide rails are arranged in parallel on the base. The first motor is arranged on the base between the two guide rails. The first motor is connected to the baffle through the first screw. The baffle is arranged on the base. The sliding plate is slidably connected to the guide rail, and the sliding plate is connected to the first screw through the first booster block. The first screw is driven to rotate by the first motor, and then the sliding plate can be driven to move by the first booster block, so that the drilling mechanism is close to or away from the incoming terminal block, meeting the requirements of automatic drilling processing. The guide rail improves the stability and reliability of the sliding plate when moving.

[0025] Furthermore, a second motor, a first guide groove and a slide groove are provided on the sliding plate. The second motor is provided on one side of the sliding plate. The two first guide grooves are provided in parallel on the top surface of the sliding plate. The slide groove is provided on the sliding plate between the two first guide grooves. The second motor is connected to a driving rod; the driving rod is driven to rotate by the second motor, and then the support assembly can be driven to move horizontally through the second booster block to meet the punching requirements of different positions of the incoming wiring block. The first guide groove and the slide groove can not only limit the support assembly, but also improve the stability and reliability of the support assembly during movement.

[0026] Furthermore, the drilling mechanism in step S2 process a includes two parallel support assemblies and two third motors distributed up and down, the two support assemblies are connected by a fixed plate, the upper and lower third motors are located between the two support assemblies, a drill bit is connected to the third motor, second guide rods are symmetrically provided on both sides of the third motor, the second guide rods are movably connected to the support assembly, a lifting plate is provided on the side of the third motor, a fourth motor and a second screw are provided on the support assembly, the fourth motor is connected to the second screw, and the lifting plate is connected to the second screw; the support assembly improves the stability and reliability of the installation of the third motor, and the second screw is driven to rotate by the fourth motor, and then the third motor can be driven up and down by the lifting plate to meet the drilling requirements at different heights, and the second guide rod can move up and down along the support assembly to ensure the stable movement of the third motor and reduce the drilling error.

[0027] Furthermore, the support assembly includes a bottom beam, a top beam and a support column. The top beam is connected to the bottom beam through the support column. A second guide groove is provided on the support column. The second guide rod matches the second guide groove. A cross beam is provided between the two support columns. The cross beam connects the fourth motor and the second screw. A guide block and a second booster block are provided at the bottom of the bottom beam; the support column improves the connection strength and stability between the top beam and the bottom beam, the second guide rod can move up and down along the second guide groove to meet the requirements for height adjustment of the third motor, the cross beam improves the stability and reliability of the installation of the fourth motor and the second screw, and ensures that the lifting plate drives the third motor to move up and down stably, the guide block can move horizontally along the first guide groove, and the second booster block is connected to the driving rod for driving the drilling mechanism to move laterally.

[0028] Furthermore, the clamping mechanism in step S2 process b includes a clamping plate, a first guide rod and a hydraulic cylinder. The hydraulic cylinder is arranged on the base, and the hydraulic cylinder is connected to the clamping plate through a piston rod. The clamping plate is arranged at the top end of the first guide rod, and the bottom end of the first guide rod vertically passes through the base; the hydraulic cylinder drives the clamping plate to move up and down through the piston rod to achieve clamping or loosening of the substrate. The first guide rod improves the stability and reliability of the clamping plate during movement, ensuring that the clamping plate moves vertically up and down.

[0029] Furthermore, a pressing groove is provided on the pressing plate, and the pressing groove is fitted to the convex strip and the plate body, thereby improving the stability and reliability when pressing the substrate.

[0030] Furthermore, the locking part in step S3 process a includes a moving rod, a rotating rod and a locking plate. The moving rod horizontally passes through the incoming wiring block, one end of the moving rod is fixed to the rectangular frame, the other end of the moving rod is connected to the rotating rod, and the locking plate is fixed to the end of the rotating rod. The locking plate can be rotated along the moving rod through the rotating rod to meet the installation and disassembly requirements of the incoming plug.

[0031] Furthermore, the rotating rod is connected to the rotating plate through a rotating shaft, a rotating body is provided on the rotating shaft, and a slot is provided on the movable rod. The rotating body is limited in the slot. The rotating body and the slot are connected in coordination, which not only meets the rotation requirements of the rotating rod, but also when there is no external force pushing the locking plate, the rotating body and the slot can be stably matched, which is flexible and convenient to use.

[0032] Furthermore, the rotating body and the slot are both in a plum blossom-shaped structure, which meets the requirements of rotation and fixation of the locking plate.

[0033] The present invention has the following beneficial effects due to the adoption of the above technical solution:

[0034] 1. The manufacturing method of the present invention has simple steps, which can not only improve the processing accuracy of the sub-control box substrate, but also greatly improve the connection stability between the incoming plug and the substrate, reducing the impact on the normal use of the battery pack due to the incoming plug falling off when the sub-control box is working.

[0035] 2. The support assembly improves the stability and reliability of the installation of the third motor. The fourth motor drives the second screw to rotate, and then the lifting plate can drive the third motor to move up and down to meet the drilling requirements at different heights. The second guide rod can move up and down along the support assembly to ensure the stable movement of the third motor and reduce drilling errors.

[0036] 3. The support column improves the connection strength and stability between the top beam and the bottom beam. The second guide rod can move up and down along the second guide groove to meet the requirements for height adjustment of the third motor. The crossbeam improves the stability and reliability of the installation of the fourth motor and the second screw, ensuring that the lifting plate drives the third motor to move up and down stably. The guide block can move horizontally along the first guide groove. The second booster block is connected to the drive rod to drive the drilling mechanism to move horizontally. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The present invention will be further described below in conjunction with the accompanying drawings:

[0038] Figure 1 This is a flow chart of a method for manufacturing a battery pack sub-control box substrate of the present invention;

[0039] Figure 2 Schematic diagram of the structure of the substrate in the present invention;

[0040] Figure 3 for Figure 2 Schematic diagram of the structure in the A direction;

[0041] Figure 4 Schematic diagram of the structure of the locking mechanism of the present invention;

[0042] Figure 5 Schematic diagram of the connection between the moving rod and the rotating rod in the present invention;

[0043] Figure 6 Schematic diagram of the connection between the rotating body and the slot in the present invention;

[0044] Figure 7 This is a schematic diagram of the processing equipment for drilling holes for incoming wiring blocks in the present invention;

[0045] Figure 8 It is a structural schematic diagram of the drilling processing equipment in the present invention;

[0046] Figure 9 It is a structural schematic diagram of the drilling mechanism in the present invention.

[0047] In the figure: 1-plate; 2-incoming wiring block; 3-end cover; 4-locking mechanism; 5-outgoing wiring block; 6-outlet hole; 7-mounting hole; 8-convex strip; 9-jack; 10-rectangular frame; 11-moving rod; 12-spring; 13-rotating rod; 14-locking plate; 15-rotating shaft; 16-rotating plate; 17-rotating body; 18-slot; 19-base; 20-pressing plate; 21-first guide rod; 22-hydraulic cylinder; 23-horizontal drive mechanism; 24-drill Hole mechanism; 25-limiting hole; 26-guide rail; 27-first motor; 28-baffle; 29-first screw; 30-sliding plate; 31-first guide groove; 32-second motor; 33-slide groove; 34-bottom beam; 35-top beam; 36-support column; 37-second guide groove; 38-fixed plate; 39-third motor; 40-drill bit; 41-second guide rod; 42-lifting plate; 43-fourth motor; 44-second screw; 45-cross beam; 46-guide block. DETAILED DESCRIPTION

[0048] It should be noted that, in the absence of conflict, the embodiments and features of the embodiments in this application can be combined with each other. The present invention will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0049] In order to enable those skilled in the art to better understand the solutions of the present invention, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0050] It should be noted that the terms "first," "second," and so on in the description and claims of the present invention and the accompanying drawings are used to distinguish similar items and are not necessarily used to describe a specific order or precedence. Furthermore, the terms "including," "having," and any variations thereof are intended to cover non-exclusive inclusions.

[0051] like Figures 1 to 9 As shown in FIG, a method for manufacturing a battery pack sub-control box substrate of the present invention includes the following steps:

[0052] S1, plate 1, incoming wiring block 2 and outgoing wiring block 5 are processed and formed

[0053] a. First, the required plate body 1, incoming wiring block 2, and outgoing wiring block 5 are formed by integral processing. The incoming wiring block 2 and outgoing wiring block 5 are located on both sides of the plate body 1. The edge of the plate body 1 is integrally formed with a ridge 8. The plate body 1, incoming wiring block 2, outgoing wiring block 5, and ridge 8 are deburred.

[0054] b. Then, a jack 9 is formed along the incoming wiring block 2, so that the jack 9 horizontally passes through the incoming wiring block 2, and metal contacts are installed on the inner wall of the jack 9. Outlet holes 6 are formed along the outgoing wiring block 5, and a metal contact is installed in each outlet hole 6. The metal contacts in the jack 9 are electrically connected to the metal contacts in the outlet holes 6.

[0055] c. Then install the end cover 3 on one end of the incoming wiring block 2;

[0056] d. Finally, a mounting hole 7 is opened along the convex strip 8;

[0057] S2, Drilling of Inlet Terminal Block 2

[0058] a. First, place the processed plate 1 upside down on the base 19, so that the outgoing terminal block 5 is limited in the limiting hole 25 of the base 19, and the incoming terminal block 2 faces the drilling mechanism 24 side of the base 19. The drilling mechanism 24 is connected to the base 19 through the horizontal drive mechanism 23;

[0059] The horizontal drive mechanism 23 includes a guide rail 26, a first motor 27, a first screw 29 and a sliding plate 30. The two guide rails 26 are arranged in parallel on the base 19. The first motor 27 is arranged on the base 19 between the two guide rails 26. The first motor 27 is connected to the baffle 28 through the first screw 29. The baffle 28 is arranged on the base 19. The sliding plate 30 is slidably connected to the guide rail 26. The sliding plate 30 is connected to the first screw 29 through the first booster block; the first screw 29 is driven to rotate by the first motor 27, and then the sliding plate 30 can be driven to move by the first booster block, so that the drilling mechanism 24 is close to or away from the incoming terminal block 2, meeting the requirements of automatic drilling processing. The guide rail 26 improves the stability and reliability of the sliding plate 30 when moving.

[0060] The sliding plate 30 is provided with a second motor 32, a first guide groove 31 and a slide groove 33. The second motor 32 is provided on one side of the sliding plate 30. The two first guide grooves 31 are provided in parallel on the top surface of the sliding plate 30. The slide groove 33 is provided on the sliding plate 30 between the two first guide grooves 31. The second motor 32 is connected to a driving rod; the driving rod is driven to rotate by the second motor 32, and then the support assembly can be driven to move horizontally through the second booster block to meet the punching requirements of different positions of the incoming terminal block 2. The first guide groove 31 and the slide groove 33 can not only limit the support assembly, but also improve the stability and reliability of the support assembly when moving.

[0061] The drilling mechanism 24 includes two parallel support assemblies and two third motors 39 distributed up and down. The two support assemblies are connected by a fixed plate 38. The upper and lower third motors 39 are located between the two support assemblies. A drill bit 40 is connected to the third motor 39. Second guide rods 41 are symmetrically provided on both sides of the third motor 39. The second guide rods 41 are movably connected to the support assembly. A lifting plate 42 is provided on the side of the third motor 39. A fourth motor 43 and a second screw 44 are provided on the support assembly. The fourth motor 43 is connected to the second screw 44, and the lifting plate 42 is connected to the second screw 44. The support assembly improves the stability and reliability of the installation of the third motor 39. The second screw 44 is driven to rotate by the fourth motor 43, and then the third motor 39 can be driven up and down by the lifting plate 42 to meet the drilling requirements at different heights. The second guide rod 41 can move up and down along the support assembly to ensure the stable movement of the third motor 39 and reduce the drilling error.

[0062] The support assembly includes a bottom beam 34, a top beam 35 and a support column 36. The top beam 35 is connected to the bottom beam 34 through the support column 36. A second guide groove 37 is provided on the support column 36. The second guide rod 41 matches the second guide groove 37. A cross beam 45 is provided between the two support columns 36. The cross beam 45 connects the fourth motor 43 and the second screw 44. A guide block 46 and a second booster block are provided at the bottom of the bottom beam 34; the support column 36 improves the connection strength and stability between the top beam 35 and the bottom beam 34. The second guide rod 41 can move up and down along the second guide groove 37 to meet the requirements of height adjustment of the third motor 39. The cross beam 45 improves the stability and reliability of the installation of the fourth motor 43 and the second screw 44, ensuring that the lifting plate 42 drives the third motor 39 to move up and down stably, the guide block 46 can move horizontally along the first guide groove 31, and the second booster block is connected to the driving rod for driving the drilling mechanism 24 to move laterally.

[0063] b. Then start the clamping mechanism to fix the plate 1 on the base 19;

[0064] The clamping mechanism includes a clamping plate 20, a first guide rod 21 and a hydraulic cylinder 22. The hydraulic cylinder 22 is arranged on the base 19. The hydraulic cylinder 22 is connected to the clamping plate 20 through a piston rod. The clamping plate 20 is arranged at the top of the first guide rod 21, and the bottom end of the first guide rod 21 vertically passes through the base 19; the hydraulic cylinder 22 drives the clamping plate 20 to move up and down through the piston rod to achieve clamping or loosening of the substrate. The first guide rod 21 improves the stability and reliability of the clamping plate 20 during movement, ensuring that the clamping plate 20 moves vertically up and down.

[0065] The pressing plate 20 is provided with a pressing groove, which fits the ridge 8 and the plate body 1 to improve the stability and reliability of the substrate when pressed.

[0066] c. Then, the position of the drilling mechanism 24 is adjusted by the horizontal driving mechanism 23 so that the drilling mechanism 24 is close to the incoming wiring block 2. The drilling mechanism 24 is used to drill a through hole horizontally along the incoming wiring block 2, and the through hole horizontally passes through the end cover 3;

[0067] S3. Installation of locking mechanism 4

[0068] a. First, determine the size of the locking mechanism 4 based on the size of the end cap 3 and the incoming terminal block 2, and then make the corresponding rectangular frame 10, spring 12, and at least three sets of locking members. Install the locking members on the same side of the rectangular frame 10.

[0069] The locking part includes a moving rod 11, a rotating rod 13 and a locking plate 14. The moving rod 11 horizontally passes through the incoming wiring block 2. One end of the moving rod 11 is fixed to the rectangular frame 10, and the other end of the moving rod 11 is connected to the rotating rod 13. The locking plate 14 is fixed to the end of the rotating rod 13. The locking plate 14 can be rotated along the moving rod 11 through the rotating rod 13 to meet the installation and disassembly requirements of the incoming plug.

[0070] The rotating rod 13 is connected to the rotating plate 16 through the rotating shaft 15. A rotating body 17 is provided on the rotating shaft 15, and a clamping groove 18 is provided on the movable rod 11. The rotating body 17 is limited in the clamping groove 18. The rotating body 17 is connected with the clamping groove 18, which not only meets the rotation requirements of the rotating rod 13, but also when there is no external force pushing the locking plate 14, the rotating body 17 and the clamping groove 18 can be stably matched, which is flexible and convenient to use.

[0071] The rotating body 17 and the locking groove 18 are both in a plum blossom-shaped structure, which meets the requirements of rotation and fixation of the locking plate 14.

[0072] b. Then, put the spring 12 on the locking piece, with one end of the spring 12 against the rectangular frame 10 and the other end against the end cover 3;

[0073] S4. Substrate installation

[0074] a. Install the baseboard at the set position of the sub-control box;

[0075] b. Then rotate the locking piece outward, insert the incoming line plug into the socket 9 of the incoming line terminal block 2, and rotate the locking piece in the opposite direction so that the locking piece rests against the outside of the incoming line plug. The incoming line plug is locked under the action of the spring 12.

[0076] c. Finally, install the outlet plug in the outlet hole 6 of each outlet terminal block 5.

[0077] The manufacturing method has simple steps and can not only improve the processing accuracy of the sub-control box substrate, but also greatly improve the connection stability between the incoming plug and the substrate, reducing the impact on the normal use of the battery pack due to the incoming plug falling off when the sub-control box is working.

[0078] The above are only specific embodiments of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent replacements, or modifications based on the present invention to achieve substantially the same technical effects are all within the scope of protection of the present invention.

Claims

1. A method for manufacturing a battery pack sub-control box substrate, characterized in that The steps include: S1, plate body, incoming wiring block and outgoing wiring block are processed and formed a. First, the required plate, incoming wiring block, and outgoing wiring block are formed by integral processing. The incoming wiring block and outgoing wiring block are located on both sides of the plate. The edges of the plate are integrally formed with convex strips. The plate, incoming wiring block, outgoing wiring block, and convex strips are deburred. b. Then, a jack is opened along the incoming wiring block, so that the jack passes through the incoming wiring block horizontally, and metal contacts are installed on the inner wall of the jack. Outlet holes are opened along the outgoing wiring block, and metal contacts are installed in each outlet hole. The metal contacts in the jack are electrically connected to the metal contacts in the outlet holes. c. Then install the end cover on one end of the incoming wiring block; d. Finally, open the mounting holes along the convex strips; S2. Drilling of incoming wiring block a. First, place the processed plate upside down on the base, so that the outgoing wiring block is limited in the limiting hole of the base, and the incoming wiring block faces the side of the drilling mechanism of the base. The drilling mechanism is connected to the base through the horizontal drive mechanism; b. Then start the clamping mechanism to fix the plate to the base; c. Then, the position of the drilling mechanism is adjusted by the horizontal driving mechanism so that the drilling mechanism is close to the incoming wiring block, and a through hole is drilled horizontally along the incoming wiring block by the drilling mechanism, and the through hole passes horizontally through the end cover; S3. Locking mechanism installation a. First, determine the size of the locking mechanism based on the size of the end cap and incoming wiring block, and make the corresponding rectangular frame, spring, and at least three sets of locking pieces. Install the locking pieces on the same side of the rectangular frame. b. Then put the spring onto the locking piece, with one end of the spring against the rectangular frame and the other end against the end cover; S4. Substrate installation a. Install the baseboard at the set position of the sub-control box; b. Then rotate the locking piece outward, insert the incoming plug into the socket of the incoming wiring block, and rotate the locking piece in the opposite direction so that the locking piece rests against the outside of the incoming plug. The incoming plug is locked under the action of the spring; c. Finally, install the outlet plug in the outlet hole of each outlet wiring block.

2. The method for manufacturing a battery pack sub-control box substrate according to claim 1, characterized in that: The horizontal driving mechanism in step S2 process a includes a guide rail, a first motor, a first screw and a sliding plate, the two guide rails are arranged in parallel on the base, the first motor is arranged on the base between the two guide rails, the first motor is connected to the baffle through the first screw, the baffle is arranged on the base, the sliding plate is slidably connected to the guide rail, and the sliding plate is connected to the first screw through a first booster block.

3. The method for manufacturing a battery pack sub-control box substrate according to claim 2, characterized in that: A second motor, a first guide groove and a slide groove are provided on the sliding plate. The second motor is provided on one side of the sliding plate. Two first guide grooves are provided in parallel on the top surface of the sliding plate. The slide groove is provided on the sliding plate between the two first guide grooves. The second motor is connected to a driving rod.

4. The method for manufacturing a battery pack sub-control box substrate according to claim 1, characterized in that: The drilling mechanism in step S2 process a includes two parallel support assemblies and two third motors distributed up and down, the two support assemblies are connected by a fixed plate, the two upper and lower third motors are located between the two support assemblies, a drill bit is connected to the third motor, second guide rods are symmetrically provided on both sides of the third motor, the second guide rods are movably connected to the support assemblies, a lifting plate is provided on the side of the third motor, a fourth motor and a second screw are provided on the support assembly, the fourth motor is connected to the second screw, and the lifting plate is connected to the second screw.

5. The method for manufacturing a battery pack sub-control box substrate according to claim 4, characterized in that: The support assembly includes a bottom beam, a top beam and a support column. The top beam is connected to the bottom beam through the support column. A second guide groove is provided on the support column. The second guide rod matches the second guide groove. A cross beam is provided between the two support columns. The cross beam connects the fourth motor and the second screw. A guide block and a second booster block are provided at the bottom of the bottom beam.

6. The method for manufacturing a battery pack sub-control box substrate according to claim 1, characterized in that: The clamping mechanism in step S2 process b includes a clamping plate, a first guide rod and a hydraulic cylinder, the hydraulic cylinder is arranged on the base, the hydraulic cylinder is connected to the clamping plate through a piston rod, the clamping plate is arranged at the top end of the first guide rod, and the bottom end of the first guide rod vertically passes through the base.

7. The method for manufacturing a battery pack sub-control box substrate according to claim 6, characterized in that: The pressing plate is provided with a pressing groove, and the pressing groove is fitted to the convex strip and the plate body.

8. The method for manufacturing a battery pack sub-control box substrate according to claim 1, characterized in that: The locking member in step S3 process a includes a moving rod, a rotating rod and a locking plate, the moving rod horizontally passes through the incoming wiring block, one end of the moving rod is fixed to the rectangular frame, the other end of the moving rod is connected to the rotating rod, and the locking plate is fixed to the end of the rotating rod.

9. The method for manufacturing a battery pack sub-control box substrate according to claim 8, characterized in that: The rotating rod is connected to the rotating plate via a rotating shaft. A rotating body is provided on the rotating shaft. A clamping groove is provided on the moving rod. The rotating body is limited in the clamping groove.

10. The method for manufacturing a battery pack sub-control box substrate according to claim 9, characterized in that: The rotating body and the clamping slot both have a plum blossom-shaped structure.

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