New energy vehicle battery box automatic screw locking tooling

Abstract

The present invention provides an automatic screw locking tool for a battery box of a new energy vehicle, which clamps and positions the battery box and completes the locking and positioning of the battery box through an automatic screw locking mechanism, and has high installation accuracy and high work efficiency. It includes a tool frame at the bottom, and the upper surface of the tool frame is provided with a starting clamping and positioning mechanism, a middle guide positioning mechanism, and a tail locking and positioning mechanism in sequence along the length direction of the battery box, and the outer side of the tail locking and positioning mechanism is also provided with a screw locking structure, and the starting clamping and positioning mechanism includes an end positioning plate arranged at a corresponding position of the tool frame, and the starting end of the end positioning plate is provided with a starting positioning frame, and the starting positioning frame includes an end positioning upper convex and a width positioning upper convex arranged in pairs, and the front end of the starting positioning frame corresponding to the width positioning upper convex on both sides is also provided with a first upper convex positioning column, and the first upper convex positioning column is used to position the inner groove at the bottom of the starting end of the battery box, and the front end of the end positioning plate is also provided with a vertical positioning reference frame.

Description

Technical Field

[0001] The invention relates to the technical field of battery box assembly, and in particular to an automatic screw locking tool for a battery box of a new energy vehicle. Background Art

[0002] When the existing long battery boxes for new energy vehicles are produced, the ends of the battery boxes need to be locked by screws. The existing technology is that workers manually find the locking points and then manually tighten the screws. During mass production, due to positioning errors in manual operation, the installation accuracy is poor and the work efficiency of manual operation is low. Summary of the invention

[0003] In view of the above problems, the present invention provides an automatic screw locking tool for a new energy vehicle battery box, which clamps and positions the battery box and then completes the locking and positioning of the battery box through an automatic screw locking mechanism, and has high installation accuracy and high work efficiency.

[0004] The automatic screw locking tooling of the battery box of a new energy vehicle is characterized in that: it includes a tooling frame at the bottom, and the upper surface of the tooling frame is sequentially provided with a starting clamping positioning mechanism, a middle guide positioning mechanism, and a tail locking positioning mechanism along the length direction of the battery box, and a screw locking structure is also provided on the outside of the tail locking positioning mechanism, and the starting clamping positioning mechanism includes an end positioning plate arranged at a corresponding position of the tooling frame, and a starting positioning frame is provided at the starting end of the end positioning plate, and the starting positioning frame includes an end positioning upper protrusion and a width positioning upper protrusion arranged in pairs, and the front end of the starting positioning frame corresponding to the width positioning upper protrusion on both sides is also provided with a first upper protrusion positioning column, and the first upper protrusion positioning column is used to position the inner groove at the bottom of the starting end of the battery box, and the front end of the end positioning plate is also provided with a vertical positioning reference frame, and the vertical positioning sharp turn The frame includes a bottom positioning block and an upper pressing structure, and the middle guiding and positioning mechanism is specifically a group of vertical positioning reference frames arranged along the length direction of the battery box; the tail locking and positioning mechanism includes a stop limit frame arranged at the end, a vertical positioning reference frame at the front, and a side positioning reference frame, and the stop limit frame includes an end upper convex plate, a second upper convex positioning column, and an upper pressure head at the end, and the side positioning reference frame includes a three-axis guiding structure and a driving pressure head, and the three-axis guiding structure drives the corresponding driving pressure head along the XYZ three axes to insert the corresponding positioning hole position of the battery box from the side; a screw locking structure is provided on the outside of the tail locking and positioning mechanism, and the mounting plate of the screw locking mechanism is fixedly mounted on the output end of the XZ axis driving seat, and the screw locking mechanism includes a torque gun, and the torque gun is provided with a side convex feeding channel, and the torque gun is also connected to a propulsion cylinder.

[0005] It is further characterized by:

[0006] The tooling frame specifically includes a support structure, and the four corners of the support structure are respectively provided with horizontal adjustment connecting frames, and the four corners of the support structure are respectively connected to the horizontal adjustment connecting frames at the bottom through vertical adjustment bolts, and the upper surface formed by the combination of the support structures is a reference plane, and the rear end of the support structure corresponding to the tail locking mechanism is provided with an air source control system and a communication system, so that the layout of the entire structure is convenient;

[0007] Two battery box clamping stations are respectively arranged on both sides of the upper surface formed by the bracket structure combination;

[0008] The upper surface of the support structure is provided with a first mounting connection plate at positions corresponding to the tail locking and positioning mechanism and the screw locking mechanism, and the upper surface of the support structure is provided with a second mounting connection plate at positions corresponding to the middle guide and positioning mechanism, so as to ensure convenient assembly of the structure;

[0009] The three-axis guide structure specifically comprises an X-axis cylinder, a Y-axis cylinder, and a Z-axis cylinder, the output end of the Y-axis cylinder is connected to a first guide seat, the first guide seat is supported by the Y-axis guide rail at the bottom, a plurality of upwardly convex vertical support frames are arranged on the upper part of the first guide seat, a connecting frame is arranged on the side of the first guide seat away from the Y-axis cylinder, a Z-axis cylinder is fixedly arranged on the connecting frame, the upper output end of the Z-axis cylinder is connected to a second guide seat, a side convex connecting rod is arranged at a position between the vertical support frames, an upper convex supporting column is arranged on the corresponding side convex connecting rod, and the upper convex supporting column is used to position the bottom end of the battery box, the second guide seat also includes a top pressure head assembly and an X-axis cylinder, the output end of the X-axis cylinder is connected to a driving pressure head mounting plate, the driving cylinder of the driving pressure head is fixedly connected to the driving pressure head mounting plate, and the driving pressure head is arranged toward the corresponding side positioning hole of the battery box;

[0010] The screw locking structure also includes a nail feeding guide cylinder and a tightening drive cylinder, the mounting plate is provided with a Y-axis linear travel guide rail, the torque gun is fixedly mounted on the mounting frame, the base of the mounting frame is supported by the Y-axis linear travel guide rail, the end of the mounting plate is provided with a side convex connecting plate, the propulsion cylinder is fixedly mounted on the side convex connecting plate, the output end of the propulsion cylinder is connected to the mounting frame through a connecting rod, the power end of the torque gun passes through the corresponding through hole of the connecting block, the bottom of the connecting block is supported on the linear travel guide rail, the end of the connecting block is provided with a first auxiliary connecting plate, the front end of the mounting frame is provided with a second auxiliary connecting plate, the second auxiliary connecting plate is connected with the tightening drive cylinder, the first auxiliary connecting plate is connected with the nail feeding guide cylinder, the tightening drive cylinder drives the Y-direction tightening action of the torque gun, and the nail feeding guide cylinder drives the power end to retreat and advance to reserve corresponding nail feeding space;

[0011] The XZ-axis drive seat comprises a drive substrate, an X-axis drive module is arranged on the upper part of the drive substrate, an output end of the X-axis drive module is connected to the Z-axis drive module, an output side plate is arranged on the side of the output end of the Z-axis drive module, and the mounting plate of the screw locking mechanism is fixedly connected to the output side plate arrangement;

[0012] The X-axis driving mold base is driven by an X-axis servo motor, and the Z-axis driving module is driven by a Z-axis servo motor to ensure precise control in forward and reverse directions.

[0013] After adopting the structure of the present invention, the long strip battery box is fixed at the front, middle and back through the starting clamping positioning mechanism, the middle guiding positioning mechanism and the tail locking positioning mechanism respectively, and then the XZ axis driving seat drives the screw locking mechanism to align with the position where the screw needs to be tightened, and then the nail is sent through the feeding channel, and then the propulsion cylinder sends the nail into the gun head of the torque gun, and the torque gun is activated to screw the screw into the corresponding position and lock it. After the battery box is clamped and positioned, the locking and positioning of the battery box is completed through the automatic screw locking mechanism, and the installation accuracy and work efficiency are high. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention (the screw locking structure is not shown in the figure);

[0015] Figure 2 It is a schematic diagram of the three-dimensional structure of the tooling frame of the present invention;

[0016] Figure 3 It is a schematic diagram of the three-dimensional structure of the starting positioning frame of the present invention;

[0017] Figure 4 It is a schematic diagram of the three-dimensional structure of the vertical positioning reference frame of the present invention;

[0018] Figure 5 It is a schematic diagram of the three-dimensional structure of the stop and limit frame of the present invention;

[0019] Figure 6 It is a schematic diagram of the three-dimensional structure of the side positioning reference frame of the present invention;

[0020] Figure 7 It is a schematic diagram of the three-dimensional structure of the screw locking structure of the present invention;

[0021] Figure 8 It is a schematic diagram of the three-dimensional structure of the XZ-axis driving seat of the present invention;

[0022] The names corresponding to the serial numbers in the figure are as follows:

[0023] Tooling frame 1, starting clamping positioning mechanism 2, middle guide positioning mechanism 3, tail locking positioning mechanism 4, screw locking structure 5, end positioning plate 6, starting positioning frame 7, end positioning convex 8, width positioning convex 9, first convex positioning column 10, vertical positioning reference frame 11, bottom positioning block 12, upper press-fitting structure 13, stop limit frame 14, side positioning reference frame 15, end convex plate 16, second convex positioning column 17, end upper pressure head 18, three-axis guide structure 19, drive pressure head 20, mounting plate 21, XZ axis drive seat 22, torque gun 23, feeding channel 24, propulsion cylinder 25, bracket structure 26, horizontal adjustment connecting frame 27, vertical adjustment bolt 28, air source control system 29, communication system 30, The first mounting connecting plate 31, the second mounting connecting plate 32, the X-axis cylinder 33, the Y-axis cylinder 34, the Z-axis cylinder 35, the first guide seat 36, the vertical support frame 37, the connecting frame 38, the second guide seat 39, the side convex connecting rod 40, the upper convex supporting column 41, the pressure head assembly 42, the X-axis cylinder 33, the driving pressure head mounting plate 43, the driving cylinder 44, the nail feeding guide cylinder 45, the tightening driving cylinder 46, the Y-axis linear travel guide rail 47, the mounting frame 48, the side convex connecting plate 49, the connecting rod 50, the connecting block 51, the first auxiliary connecting plate 52, the second auxiliary connecting plate 53, the power end 231, the driving substrate 54, the X-axis driving module 55, the Z-axis driving module 56, the output side plate 57, the X-axis servo motor 58, and the Z-axis servo motor 59. DETAILED DESCRIPTION

[0024] New energy vehicle battery box automatic screw locking tooling, see Figure 1-Figure 7: It includes a tooling frame 1 at the bottom, and the upper surface of the tooling frame 1 is sequentially provided with a starting clamping positioning mechanism 2, a middle guide positioning mechanism 3, and a tail locking positioning mechanism 4 along the length direction of the battery box. A screw locking structure 5 is also provided on the outside of the tail locking positioning mechanism 4. The starting clamping positioning mechanism 5 includes an end positioning plate 6 arranged at a corresponding position of the tooling frame, and a starting positioning frame 7 is provided at the starting end of the end positioning plate 6. The starting positioning frame 7 includes an end positioning upper protrusion 8 and a width positioning upper protrusion 9 arranged in pairs. The front end of the starting positioning frame 7 corresponding to the width positioning upper protrusions 9 on both sides is also provided with a first upper protruding positioning column 10, and the first upper protruding positioning column 10 is used to locate the inner groove at the bottom of the starting end of the battery box. The front end of the end positioning plate 6 is also provided with a vertical positioning reference frame 11, and the vertical positioning quick-turn frame 11 includes a bottom positioning block 12, an upper pressing structure 13, a middle The guiding and positioning mechanism 3 is specifically a group of vertical positioning reference frames 11 arranged along the length direction of the battery box; the tail locking and positioning mechanism 4 includes a stop limit frame 14 arranged at the end, a vertical positioning reference frame 11 at the front, and a side positioning reference frame 15, the stop limit frame 14 includes an end upper convex plate 16, a second upper convex positioning column 17, and an end upper pressure head 18, and the side positioning reference frame 15 includes a three-axis guiding structure 19 and a driving pressure head 20. The three-axis guiding structure 19 drives the corresponding driving pressure head 20 along the XYZ three axes to insert the corresponding positioning hole position of the battery box from the side; a screw locking structure 5 is arranged on the outside of the tail locking and positioning mechanism 4, and the mounting plate 21 of the screw locking mechanism 5 is fixedly installed at the output end of the XZ axis driving seat 22, and the screw locking mechanism 5 includes a torque gun 23, and the torque gun 23 is provided with a side convex feeding channel 24, and the torque gun 23 is also connected to a propulsion cylinder 25.

[0025] The tooling frame 1 specifically includes a support structure 26, and the four corners of the support structure 26 are respectively provided with horizontal adjustment connecting frames 27, and the four corners of the support structure 26 are respectively connected to the horizontal adjustment connecting frames 27 at the bottom through vertical adjustment bolts 28. The upper surface formed by the combination of the support structure 26 is a reference plane, and the rear end of the support structure 26 corresponding to the tail locking mechanism is provided with an air source control system 29 and a communication system 30, so that the layout of the entire structure is convenient;

[0026] Two battery box clamping stations are respectively arranged on both sides of the upper surface formed by the support structure 26;

[0027] A first mounting connecting plate 31 is provided on the upper surface of the bracket structure 26 at positions corresponding to the tail locking and positioning mechanism 4 and the screw locking structure 5, and a second mounting connecting plate 32 is provided on the upper surface of the bracket structure 26 at positions corresponding to the middle guide and positioning mechanism 3, to ensure convenient assembly of the structure;

[0028] The three-axis guide structure 19 specifically includes an X-axis cylinder 33, a Y-axis cylinder 34, and a Z-axis cylinder 35. The output end of the Y-axis cylinder 34 is connected to a first guide seat 36, and the first guide seat 36 is supported on the Y-axis guide rail at the bottom. A plurality of upwardly convex vertical support frames 37 are arranged on the upper part of the first guide seat 36. A connecting frame 38 is arranged on the side of the first guide seat 36 away from the Y-axis cylinder 34, and the Z-axis cylinder 35 is fixed on the connecting frame 38. The upper output end of the Z-axis cylinder 35 is connected to a second guide seat 39. , a side convex connecting rod 40 is arranged at a position between the vertical support frames 37, and an upper convex supporting column 41 is arranged on the corresponding side convex connecting rod 40, and the upper convex supporting column 41 is used to position the bottom of the end of the battery box, and the second guide seat 39 also includes a top pressure head assembly 42 and an X-axis cylinder 33, and the output end of the X-axis cylinder 33 is connected to a driving pressure head mounting plate 43, and a driving cylinder 44 of the driving pressure head 20 is fixedly connected to the driving pressure head mounting plate 43, and the driving pressure head 20 is arranged toward the corresponding side positioning hole of the battery box;

[0029] The screw locking structure 5 also includes a nail feeding guide cylinder 45 and a tightening drive cylinder 46. A Y-axis linear travel guide rail 47 is provided on the mounting plate 21. The torque gun 23 is fixedly mounted on the mounting frame 48. The base of the mounting frame 48 is supported on the Y-axis linear travel guide rail 47. A side convex connecting plate 49 is provided at the end of the mounting plate 21. The propulsion cylinder 25 is fixedly mounted on the side convex connecting plate 49. The output end of the propulsion cylinder 25 is connected to the mounting frame 48 through a connecting rod 50. The power end 231 of the torque gun 23 passes through the connecting block 51. The bottom of the connecting block 51 is supported on the Y-axis linear travel guide rail 47, the end of the connecting block 51 is provided with a first auxiliary connecting plate 52, the front end of the mounting frame 48 is provided with a second auxiliary connecting plate 53, the second auxiliary connecting plate 53 is connected with a tightening drive cylinder 46, the first auxiliary connecting plate 52 is connected with a nail feeding guide cylinder 45, the tightening drive cylinder 46 drives the Y-direction tightening action of the torque gun 23, and the nail feeding guide cylinder 45 drives the power end 231 to retreat and advance to reserve the corresponding nail feeding space;

[0030] The XZ-axis driving seat 22 includes a driving substrate 54, an X-axis driving module 55 is arranged on the upper part of the driving substrate 54, an output end of the X-axis driving module 55 is connected to a Z-axis driving module 56, an output side plate 57 is arranged on the side of the output end of the Z-axis driving module 56, and the mounting plate 21 of the screw locking mechanism 5 is fixedly connected to the output side plate 57;

[0031] The X-axis driving mold base 55 is driven by an X-axis servo motor 58, and the Z-axis driving mold base 56 is driven by a Z-axis servo motor 59, ensuring precise control in the forward and reverse directions.

[0032] Its working principle is as follows: the long strip battery box is fixed at the front, middle and back through the starting clamping positioning mechanism, the middle guide positioning mechanism and the tail locking positioning mechanism respectively, and then the XZ axis driving seat drives the screw locking mechanism to align with the position where the screw needs to be tightened, and the nail feeding guide cylinder drives the power end to retreat in advance to reserve the corresponding nail feeding space, and then the nail is fed through the feeding channel, and then the nail feeding guide cylinder is reset, so that the bit of the torque gun contacts the screw, and then the cylinder is pushed to contact the nail along the Y axis to the position where nailing is required, the torque gun is actuated, and the tightening drive cylinder is actuated at the same time, the screw is screwed into the corresponding position and locked, and after locking in place, each cylinder and the driving end of the torque gun are reset, and after clamping and positioning the battery box, the locking and positioning of the battery box is completed through the automatic screw locking mechanism, and it has high installation accuracy and high work efficiency.

[0033] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

[0034] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. Automatic screw locking tooling for new energy vehicle battery box, characterized by: It includes a tooling frame at the bottom, and the upper surface of the tooling frame is sequentially provided with a starting clamping positioning mechanism, a middle guiding positioning mechanism, and a tail locking positioning mechanism along the length direction of the battery box. A screw locking structure is also provided on the outer side of the tail locking positioning mechanism. The starting clamping positioning mechanism includes an end positioning plate arranged at a corresponding position of the tooling frame, and a starting positioning frame is provided at the starting end of the end positioning plate. The starting positioning frame includes an end positioning convex and a width positioning convex arranged in pairs. The front end of the starting positioning frame corresponding to the width positioning convex on both sides is also provided with a first convex positioning column, and the first convex positioning column is used to position the inner groove at the bottom of the starting end of the battery box. The front end of the end positioning plate is also provided with a vertical positioning reference frame, and the vertical positioning reference frame includes a bottom positioning block, an upper pressing assembly, and a bottom pressing assembly. The structure of the middle guide positioning mechanism is specifically a group of vertical positioning reference frames arranged along the length direction of the battery box; the tail locking and positioning mechanism includes a stop limit frame arranged at the end, a vertical positioning reference frame at the front, and a side positioning reference frame, the stop limit frame includes an end upper convex plate, a second upper convex positioning column, and an end upper pressure head, the side positioning reference frame includes a three-axis guide structure and a driving pressure head, and the three-axis guide structure drives the corresponding driving pressure head along the XYZ three axes to insert the corresponding positioning hole position of the battery box from the side; a screw locking structure is provided on the outside of the tail locking and positioning mechanism, and the mounting plate of the screw locking structure is fixedly mounted on the output end of the XZ axis drive seat, and the screw locking structure includes a torque gun, and the torque gun is provided with a side convex feeding channel, and the torque gun is also connected to a propulsion cylinder; The tooling frame specifically includes a support structure, and the four corners of the support structure are respectively provided with horizontal adjustment connecting frames, and the four corners of the support structure are respectively connected to the horizontal adjustment connecting frames at the bottom through vertical adjustment bolts, and the upper surface formed by the combination of the support structures is a reference plane, and the rear end of the support structure corresponding to the tail locking and positioning mechanism is provided with an air source control system and a communication system; Two battery box clamping stations are respectively arranged on both sides of the upper surface formed by the bracket structure combination; A first mounting connecting plate is arranged on the upper surface of the support structure at positions corresponding to the tail locking and positioning mechanism and the screw locking structure, and a second mounting connecting plate is arranged on the upper surface of the support structure at positions corresponding to the middle guiding and positioning mechanism.

2. The automatic screw locking tool for the battery box of a new energy vehicle as claimed in claim 1, characterized in that: The three-axis guide structure specifically includes an X-axis cylinder, a Y-axis cylinder, and a Z-axis cylinder. The output end of the Y-axis cylinder is connected to a first guide seat, and the first guide seat is supported by the Y-axis guide rail at the bottom. A plurality of upward convex vertical support frames are arranged on the upper part of the first guide seat, and a connecting frame is arranged on the side of the first guide seat away from the Y-axis cylinder, and a Z-axis cylinder is fixed on the connecting frame. The upper output end of the Z-axis cylinder is connected to a second guide seat, and a side convex connecting rod is arranged at a position between the vertical support frames, and an upper convex supporting column is arranged on the corresponding side convex connecting rod, and the upper convex supporting column is used to position the bottom end of the battery box, and the second guide seat also includes a top pressure head assembly and an X-axis cylinder, and the output end of the X-axis cylinder is connected to a driving pressure head mounting plate, and the driving cylinder of the driving pressure head is fixedly connected to the driving pressure head mounting plate, and the driving pressure head is arranged toward the corresponding side positioning hole of the battery box.

3. The automatic screw locking tool for the battery box of a new energy vehicle as claimed in claim 1, characterized in that: The screw locking structure also includes a nail feeding guide cylinder and a tightening drive cylinder. A Y-axis linear travel guide rail is provided on the mounting plate. The torque gun is fixedly mounted on the mounting frame. The base of the mounting frame is supported by the Y-axis linear travel guide rail. A side convex connecting plate is provided at the end of the mounting plate. The propulsion cylinder is fixedly mounted on the side convex connecting plate. The output end of the propulsion cylinder is connected to the mounting frame through a connecting rod. The power end of the torque gun passes through the corresponding through hole of the connecting block. The bottom of the connecting block is supported on the linear travel guide rail. A first auxiliary connecting plate is provided at the end of the connecting block. A second auxiliary connecting plate is provided at the front end of the mounting frame. The second auxiliary connecting plate is connected to the tightening drive cylinder. The first auxiliary connecting plate is connected to the nail feeding guide cylinder. The tightening drive cylinder drives the Y-direction tightening action of the torque gun. The nail feeding guide cylinder drives the power end to retreat and advance to reserve corresponding nail feeding space.

4. The automatic screw locking tool for the battery box of a new energy vehicle as claimed in claim 1, characterized in that: The XZ-axis driving seat includes a driving substrate, an X-axis driving module is arranged on the upper part of the driving substrate, the output end of the X-axis driving module is connected to the Z-axis driving module, the side of the output end of the Z-axis driving module is arranged with an output side plate, and the mounting plate of the screw locking structure is fixedly connected to the output side plate arrangement.

5. The automatic screw locking tool for the battery box of a new energy vehicle as claimed in claim 4, characterized in that: The X-axis driving module is driven by an X-axis servo motor, and the Z-axis driving module is driven by a Z-axis servo motor.

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