Manufacturing method of battery pack sub-control box substrate

Abstract

The invention discloses a manufacturing method of a battery pack sub-control box substrate. The manufacturing method comprises the following steps: S1, processing and forming a plate body, a wire inlet wiring block and a wire outlet wiring block; s2, drilling a wire inlet wiring block; s3, a locking mechanism is installed; and S4, mounting the substrate. The manufacturing method is simple in step, not only can the processing precision of the sub-control box substrate be improved, but also the connection stability between the inlet wire plug and the substrate can be greatly improved, and the influence on normal use of the battery pack caused by falling of the inlet wire plug when the sub-control box works is reduced.

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, which are generally arranged in an open manner and scattered inside the battery pack.

[0003] In order to ensure the normal operation of each electrical component, the wiring harness is generally connected through a sub-control box. When the sub-control box in the prior art is connected to the incoming plug, the incoming plug is easily removed due to long-term use or vibration, affecting the normal use of the battery pack and posing certain safety hazards. 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 view of 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. Processing of board, incoming wiring block and outgoing wiring block

[0008] a. First, the required board body, incoming wiring block and outgoing wiring block are formed by integrated processing. The incoming wiring block and the outgoing wiring block are located on both sides of the board body. The edge of the board body is integrally formed with convex strips. The board body, the incoming wiring block, the outgoing wiring block and the 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 a metal contact is installed on the inner wall of the jack. Outlet holes are opened along the outgoing wiring block, and a metal contact is installed in each outlet hole, and the metal contact in the jack is electrically connected with the metal contact in the outlet hole;

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

[0011] d. Finally, opening 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 drilling mechanism side of the base, and the drilling mechanism is connected to the base through the horizontal driving mechanism;

[0014] b. Then start the clamping mechanism to fix the plate on 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 through the end cover horizontally;

[0016] S3. Locking mechanism installation

[0017] a. First, determine the size of the locking mechanism according to the size of the end cover and the incoming wiring block, and make the corresponding rectangular frame, spring and at least three sets of locking pieces, and 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 base plate at the set position of the sub-control box;

[0021] b. Then rotate the locking piece outward, insert the incoming line plug into the jack of the incoming line wiring block, rotate the locking piece in the opposite direction, so that the locking piece is against the outside of the incoming line plug, and lock the incoming line plug 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, 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 caused by the incoming plug falling off when the sub-control box is working.

[0024] Further, the horizontal driving mechanism in step S2 process a includes guide rails, 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 rails, 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 wiring block, meeting the requirements of automatic drilling processing, and the guide rails improve 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, and the second motor is connected to a driving rod; the driving rod is driven to rotate by the second motor, and then the supporting 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 supporting assembly, but also improve the stability and reliability of the supporting assembly when moving.

[0026] Furthermore, the drilling mechanism in step S2 process a includes two parallel supporting assemblies and two third motors distributed up and down, the two supporting assemblies are connected by a fixed plate, the upper and lower third motors are located between the two supporting 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 supporting assemblies, a lifting plate is provided on the side of the third motor, a fourth motor and a second screw are provided on the supporting assembly, the fourth motor is connected to the second screw, and the lifting plate is connected to the second screw; the supporting assembly improves the stability and reliability of the installation of the third motor, the second screw is driven to rotate by the fourth motor, and then the third motor can be driven to move up and down by the lifting plate to meet the requirements of drilling at different heights, the second guide rod can move up and down along the supporting 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, and 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 to ensure 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 to drive 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, and ensures 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 member in step S3 process a includes a moving rod, a rotating rod and a locking plate. The moving rod horizontally penetrates 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, a slot is provided on the movable rod, and 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 the rotating body and the slot can be stably matched when there is no external force pushing the locking plate, and the use is flexible and convenient.

[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, and reduce the influence of the incoming plug falling off when the sub-control box is working, which affects the normal use of the battery pack.

[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 third motor can be driven up and down through the lifting plate to meet the requirements of drilling 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 the drilling error.

[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 rod, 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 driving 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 It is a flow chart of a method for manufacturing a battery pack sub-control box substrate of the present invention;

[0039] Figure 2 It is a structural schematic diagram of the substrate in the present invention;

[0040] Figure 3 for Figure 2 Structural schematic diagram of the middle A direction;

[0041] Figure 4 It is a structural schematic diagram of the locking mechanism in the present invention;

[0042] Figure 5 It is a schematic diagram of the connection between the moving rod and the rotating rod in the present invention;

[0043] Figure 6 It is a schematic diagram of the connection between the rotating body and the slot in the present invention;

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

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

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

[0047] In the figure: 1-plate body; 2-incoming wiring block; 3-end cover; 4-locking mechanism; 5-outgoing wiring block; 6-outgoing 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-card slot; 19-base; 20-pressing plate; 21-first guide rod; 22-hydraulic cylinder; 23-horizontal driving 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 in the embodiments of the present 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 scheme of the present invention, the technical scheme 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 described embodiments are only embodiments of a part of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0050] It should be noted that the terms "first", "second", etc. in the specification and claims of the present invention and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions.

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

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

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

[0054] b. Then, a socket 9 is opened along the incoming wiring block 2, so that the socket 9 horizontally penetrates the incoming wiring block 2, and a metal contact is installed on the inner wall of the socket 9. Outlet holes 6 are opened along the outgoing wiring block 5, and a metal contact is installed in each outlet hole 6, and the metal contact in the socket 9 is electrically connected with the metal contact in the outlet hole 6;

[0055] c. Then install the end cover 3 at 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 Wiring Block 2

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

[0059] The horizontal driving 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 and is located 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 it moves.

[0060] A second motor 32, a first guide groove 31 and a slide groove 33 are provided on the sliding plate 30. 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 wiring 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 supporting assemblies and two third motors 39 distributed up and down. The two supporting assemblies are connected by a fixing plate 38. The upper and lower third motors 39 are located between the two supporting 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 supporting assemblies. 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 supporting 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 supporting 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 to move up and down by the lifting plate 42 to meet the requirements for drilling holes at different heights. The second guide rod 41 can move up and down along the supporting 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 for 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. The second booster block is connected to the driving rod to drive 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 end of the first guide rod 21, and the bottom end of the first guide rod 21 vertically penetrates 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 when moving, 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 convex strip 8 and the plate body 1 to improve the stability and reliability of pressing the substrate.

[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, and a through hole is drilled horizontally along the incoming wiring block 2 by the drilling mechanism 24, and the through hole horizontally penetrates the end cover 3;

[0067] S3, installation of locking mechanism 4

[0068] a. First, determine the size of the locking mechanism 4 according to the size of the end cover 3 and the incoming wiring block 2, and make the corresponding rectangular frame 10, spring 12 and at least three sets of locking pieces, and install the locking pieces on the same side of the rectangular frame 10;

[0069] The locking member includes a moving rod 11, a rotating rod 13 and a locking plate 14. The moving rod 11 horizontally penetrates 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. The rotating shaft 15 is provided with a rotating body 17. The moving rod 11 is provided with a slot 18. The rotating body 17 is limited in the slot 18. The rotating body 17 is connected with the slot 18, which not only meets the rotation requirement of the rotating rod 13, but also when there is no external force pushing the locking plate 14, the rotating body 17 and the slot 18 can be stably matched, and the use is flexible and convenient.

[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, the spring 12 is sleeved on the locking member, with one end of the spring 12 resting against the rectangular frame 10 and the other end resting against the end cover 3;

[0073] S4. Substrate installation

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

[0075] b. Then rotate the locking piece outward, insert the incoming line plug into the jack 9 of the incoming line terminal block 2, and rotate the locking piece in the opposite direction so that the locking piece abuts against the outside of the incoming line plug, and 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 wiring block 5.

[0077] 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 caused by 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 made based on the present invention to achieve basically the same technical effects are all included in the protection scope of the present invention.

Claims

1. A method for manufacturing a battery pack sub-control box substrate, characterized in that The steps include: S1. Processing of board, incoming wiring block and outgoing wiring block a. First, the required board body, incoming wiring block and outgoing wiring block are formed by integrated processing. The incoming wiring block and the outgoing wiring block are located on both sides of the board body. The edge of the board body is integrally formed with convex strips. The board body, the incoming wiring block, the outgoing wiring block and the 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 a metal contact is installed on the inner wall of the jack. Outlet holes are opened along the outgoing wiring block, and a metal contact is installed in each outlet hole, and the metal contact in the jack is electrically connected with the metal contact in the outlet hole; c. Then install the end cover at one end of the incoming wiring block; d. Finally, opening 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 drilling mechanism side of the base, and the drilling mechanism is connected to the base through the horizontal driving mechanism; b. Then start the clamping mechanism to fix the plate on 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 through the end cover horizontally; S3. Locking mechanism installation a. First, determine the size of the locking mechanism according to the size of the end cover and the incoming wiring block, and make the corresponding rectangular frame, spring and at least three sets of locking pieces, and 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 base plate at the set position of the sub-control box; b. Then rotate the locking piece outward, insert the incoming line plug into the jack of the incoming line wiring block, rotate the locking piece in the opposite direction, so that the locking piece is against the outside of the incoming line plug, and lock the incoming line plug 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: The sliding plate is provided with a second motor, a first guide groove and a slide groove, the second motor is arranged on one side of the sliding plate, two first guide grooves are arranged in parallel on the top surface of the sliding plate, the slide groove is arranged on the sliding plate between the two first guide grooves, and 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 supported assemblies and two third motors distributed up and down, the two supported assemblies are connected by a fixed plate, the two upper and lower third motors are located between the two supported 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 supported assemblies, a lifting plate is provided on the side of the third motor, a fourth motor and a second screw are provided on the supported 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 rod, and 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, wherein 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 with a rotating plate via a rotating shaft, a rotating body is arranged on the rotating shaft, a clamping groove is arranged on the moving rod, and 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 are both in a plum blossom-shaped structure.

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