Equipment for removing oxide skin on surface of battery box body

Abstract

The utility model relates to the technical field of battery box body production, in particular to a device for removing oxide skin on the surface of a battery box body, which can polish and remove oxide layers on two opposite surfaces of the battery box body, reduce the time for loading the battery box body and improve the working efficiency. Comprising a first motor and a polishing wheel, and the polishing wheel is installed on an output shaft of the first motor; the device further comprises a bottom plate, a sliding table, a left moving frame, a left clamping assembly, a right sliding frame, a right clamping assembly and a driving mechanism, the sliding table is slidably installed on the bottom plate and moves left and right, the bottom plate is provided with the driving mechanism of the sliding table, the first motor is installed on the sliding table, the left moving frame is installed on the left side of the bottom plate, and the left clamping assembly is installed on the left moving frame. The left moving frame drives the left clamping assembly to move front and back, the right sliding frame is installed on the right side of the bottom plate, the right clamping assembly is installed on the right sliding frame, the right sliding frame drives the right clamping assembly to move front and back, and the left clamping assembly and the right clamping assembly respectively clamp the front end and the rear end of the battery box body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of battery box production, in particular to a battery box surface oxide scale removal equipment. BACKGROUND

[0002] The battery box forms an oxide layer on the surface in the preceding process, and to avoid the influence of the oxide layer on the subsequent processing of the battery box, the oxide scale on the surface of the battery box needs to be removed. The prior art Chinese patent application with publication number CN116276563A proposes a hot battery cover edge oxide layer removal device and method, which realizes the removal of the hot battery cover edge oxide layer in a fully automatic manner. The steel wire polishing wheel and the battery cover are in contact and rotate in opposite directions. The friction force formed by the steel wire polishing wheel and the battery cover can effectively remove the oxide layer on the battery cover. The removal effect of the oxide layer on each part is consistent, ensuring the removal effect of the battery cover oxide layer. The friction removal method does not cause deformation or damage to the battery cover due to the high local temperature caused by the laser beam, meeting the batch production requirements of high-reliability hot batteries.

[0003] However, the above-mentioned prior art can only polish and remove the oxide layer on one face of the battery box during the oxide layer removal process, and cannot automatically turn over to polish and remove the oxide layer on the two opposite faces of the battery box. Repeated loading of the battery box will waste a lot of time and result in low work efficiency. UTILITY MODEL CONTENT

[0004] To solve the above technical problems, the utility model provides a battery box surface oxide scale removal equipment that can polish and remove the oxide layer on the two opposite faces of the battery box, reduce the time for loading the battery box, and improve work efficiency.

[0005] The utility model discloses a battery box surface oxide skin removal equipment, including motor one and polishing wheel, and the polishing wheel is installed on the output shaft of motor one, still include bottom plate, sliding table, left moving frame, left clamping component, right sliding frame, right clamping component and drive mechanism, and the sliding table is slidably installed on the bottom plate, and the sliding table moves left and right, and the drive mechanism that installs the sliding table on the bottom plate, and the motor one is installed on the sliding table, and the left moving frame is installed on the left side of bottom plate, and the left clamping component is installed on the left moving frame, and the left moving frame drives the left clamping component and moves back and forth, and the right sliding frame is installed on the right side of bottom plate, and the right clamping component is installed on the right sliding frame, and the right sliding frame drives the right clamping component and moves back and forth, and the left clamping component and right clamping component respectively hold the front end and rear end of battery box, when working, the left moving frame drives the left clamping component and moves to the left side front of bottom plate, and the right sliding frame drives the right clamping component and moves to the right side rear of bottom plate, and the drive mechanism drives the sliding table and moves to the right side of bottom plate, and the motor one drives the polishing wheel and rotates, and holds the front end of battery box to the left clamping component, and the left moving frame drives the left clamping component and moves back, makes the left clamping component drive battery box and pass the left part of polishing wheel surface and polishes, makes the polishing wheel and polishes the oxide skin of the front end surface of battery box, when the left clamping component moves to the rear of bottom plate, and the rear end of battery box enters right clamping component, and the right clamping component holds the rear end of battery box, and the left clamping component releases battery box, and the drive mechanism drives the sliding table and moves to the left side of bottom plate, and the right sliding frame drives the right clamping component and moves forward, makes the right clamping component drive battery box and pass the right part of polishing wheel surface and polishes, makes the polishing wheel and polishes the oxide skin of the front end surface of battery box, and the right clamping component releases battery box, makes battery box and falls off, realizes to the two opposite surfaces of battery box and polishes and removes oxide layer, reduces the time of repeated loading battery box, improves work efficiency.

[0006] Preferably, the drive mechanism includes a lead screw and a servo motor, the sliding table is slidably installed on the slide rail of the bottom plate, the lead screw is rotatably installed on the bottom plate, the lead screw is in transmission connection with the sliding table through a lead screw nut, the servo motor is installed on the bottom plate, and an output shaft of the servo motor is in transmission connection with the lead screw; the servo motor drives the lead screw to rotate, the lead screw drives the sliding table to move along the slide rail of the bottom plate through the lead screw nut, and the driving effect is good.

[0007] Preferably, the utility model also includes a plurality of limiting blocks and a plurality of locking bolts, the plurality of limiting blocks are slidably installed on the slide rail of the bottom plate, the plurality of limiting blocks are respectively located on the left and right outer sides of the sliding table, and the plurality of locking bolts are respectively screwed on the plurality of limiting blocks; the positions of the plurality of limiting blocks are adjusted, the plurality of locking bolts are tightened to lock the plurality of limiting blocks on the slide rail of the bottom plate, the plurality of limiting blocks limit the left and right strokes of the sliding table, the sliding table is more stable when abutting against a limiting block on one side, and the reliability is improved.

[0008] Preferably, the left moving frame and the right moving frame are identical and left-right symmetrical in structure, the left moving frame comprises a longitudinal sliding rail frame, two drive wheels, a second motor and a transmission belt, the longitudinal sliding rail frame is located on the outer side of the bottom plate and faces front and back, the two drive wheels are rotatably installed at the front and back ends of the longitudinal sliding rail frame, the second motor is installed on the longitudinal sliding rail frame, the output shaft of the second motor is in transmission connection with the drive wheels, the two ends of the transmission belt are sleeved and connected on the two drive wheels, the left clamping assembly is slidably installed on the longitudinal sliding rail frame and is in transmission connection with the transmission belt; the second motor drives the drive wheels to rotate, and the drive wheels drive the transmission belt to rotate, so that the transmission belt drives the left clamping assembly to move along the longitudinal sliding rail frame, and the moving effect is stable and reliable.

[0009] Preferably, the left clamping assembly and the right clamping assembly are identical and left-right symmetrical in structure, the left clamping assembly comprises a sliding block, a back plate, a supporting plate, a push cylinder and a pressing plate, the sliding block is slidably installed on the longitudinal sliding rail frame and is connected with the transmission belt, the back plate is installed on the sliding block through a support assembly, the inner side wall of the back plate is provided with a protruding supporting plate at the lower end, the fixed end of the push cylinder is installed on the upper end of the back plate, the piston rod of the push cylinder is connected with the pressing plate at the lower end, and the pressing plate is located above the supporting plate; the lower part of one end of the battery box body is placed on the supporting plate, the piston rod of the push cylinder is elongated to push the pressing plate downward, so that the pressing plate presses the upper part of the battery box body, thereby clamping the battery box body, and the piston rod of the push cylinder is retracted to lift the pressing plate upward, so that the pressing plate releases the battery box body, and the structure is simple and practical.

[0010] Preferably, the back plate is provided with a plurality of vertical grooves, a plurality of vertical rods are slidably installed in the plurality of vertical grooves of the back plate, the lower ends of the plurality of vertical rods are provided with top blocks extending into the supporting plate, the upper ends of the plurality of top blocks are wedge-shaped surfaces, the upper ends of the plurality of vertical rods are provided with a plurality of baffles facing the inner side of the back plate, the plurality of baffles are located above the pressing plate, the lower ends of a plurality of springs are connected with the plurality of baffles, and the upper ends of the plurality of springs are connected with the upper end of the back plate; the plurality of springs push the plurality of vertical rods downward, so that the plurality of top blocks are located below the supporting plate, and the supporting plate and the pressing plate cooperate to clamp the battery box body; when the battery box body needs to be released, the piston rod of the push cylinder is retracted to drive the pressing plate to rise, the pressing plate supports the plurality of baffles to lift the plurality of vertical rods, the plurality of vertical rods drive the plurality of top blocks to rise from the supporting plate, and the wedge-shaped surfaces of the plurality of top blocks extrude the bottom of the battery box body, thereby pushing the battery box body out of the supporting plate, and achieving efficient release of the battery box body.

[0011] Preferably, the support assembly comprises two fixed arms, a movable arm and a push cylinder, the outer end of the fixed arm is connected with the sliding block, the outer end of the fixed arm is hinged with the outer end of the movable arm, the leaning plate is installed on the outer end of the movable arm, the outer end of the push cylinder is rotatably connected with the sliding block, and the inner end of the push cylinder is rotatably connected with the movable arm; the piston rod of the push cylinder is extended to push the movable arm to overturn upward, so that the movable arm drives the leaning plate to overturn from the vertical state to the horizontal state, the battery box is conveniently placed on the leaning plate, after the battery box is loaded, the piston rod of the push cylinder is retracted to drive the movable arm to overturn and reset, so that the leaning plate is reset to the vertical state, and the efficient loading of the battery box is improved.

[0012] Compared with the prior art, the utility model has the advantages that the two opposite surfaces of the battery box can be polished to remove the oxide layer, the time of repeatedly loading the battery box is reduced, and the work efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the structural schematic diagram of the utility model;

[0014] Figure 2 It is the structural schematic diagram of the polishing and removing oxide skin state of the utility model;

[0015] Figure 3 It is the structural schematic diagram of the battery box handover state of the utility model;

[0016] Figure 4 It is the structural schematic diagram of motor one, polishing wheel, bottom plate and sliding table and the like structure;

[0017] Figure 5 It is the structural schematic diagram of clamping assembly and the like structure;

[0018] Figure 6 It is the structural schematic diagram of clamping assembly and the like structure in the disassembled state.

[0019] Mark in the drawing: 1, motor one;2, polishing wheel;3, bottom plate;4, sliding table;5, left moving frame;6, left clamping assembly;7, right sliding frame;8, right clamping assembly;9, screw;10, servo motor;11, limit block;12, locking bolt;13, longitudinal sliding rail frame;14, driving wheel;15, motor two;16, transmission belt;17, sliding block;18, leaning plate;19, supporting plate;20, push cylinder;21, pressing plate;22, vertical rod;23, top block;24, baffle;25, spring;26, fixed arm;27, movable arm;28, push cylinder two. DETAILED DESCRIPTION

[0020] For the purposes of facilitating the understanding of the present application, the present application will be described more fully below with reference to the accompanying drawings. The present application can be realized in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that the disclosure of the present application is more thorough and complete. Embodiment 1

[0021] As Figures 1 to 4 shown, a battery box surface oxide scale removing equipment, including motor 1 and polishing wheel 2, polishing wheel 2 is installed on the output shaft of motor 1, still including the bottom plate 3, sliding table 4, left moving frame 5, left clamping assembly 6, right sliding frame 7, right clamping assembly 8 and drive mechanism, sliding table 4 is slidably installed on the bottom plate 3, sliding table 4 moves left and right, the drive mechanism that installs sliding table 4 on the bottom plate 3, motor 1 is installed on sliding table 4, left moving frame 5 is installed on the left side of bottom plate 3, left clamping assembly 6 is installed on left moving frame 5, left moving frame 5 drives left clamping assembly 6 to move back and forth, right sliding frame 7 is installed on the right side of bottom plate 3, right clamping assembly 8 is installed on right sliding frame 7, right sliding frame 7 drives right clamping assembly 8 to move back and forth, left clamping assembly 6 and right clamping assembly 8 respectively clamp the front end and rear end of battery box;Drive mechanism includes screw rod 9 and servo motor 10, sliding table 4 is slidably installed on the slide rail of bottom plate 3, screw rod 9 is rotatably installed on the bottom plate 3, screw rod 9 is connected with sliding table 4 by screw nut transmission, servo motor 10 is installed on the bottom plate 3, the output shaft of servo motor 10 is connected with screw rod 9 by transmission;Still including a plurality of limit blocks 11 and a plurality of locking bolts 12, a plurality of limit blocks 11 are respectively slidably installed on the slide rail of bottom plate 3, a plurality of limit blocks 11 are respectively located on the left and right outer sides of sliding table 4, a plurality of locking bolts 12 are respectively rotatably screwed on a plurality of limit blocks 11.

[0022] In work, the positions of the plurality of limiting blocks 11 are adjusted, and the plurality of locking bolts 12 are tightened to lock the plurality of limiting blocks 11 on the slide rails of the bottom plate 3, so that the plurality of limiting blocks 11 limit the left and right strokes of the slide table 4, so that the slide table 4 is more stable when abutting against the limiting block 11 on one side, and the reliability is improved. The left moving frame 5 drives the left clamping assembly 6 to move to the front left side of the bottom plate 3, the right sliding frame 7 drives the right clamping assembly 8 to move to the rear right side of the bottom plate 3, the servo motor 10 drives the screw rod 9 to rotate, the screw rod 9 drives the slide table 4 to move along the slide rails of the bottom plate 3 through the screw nut, and the slide table 4 is moved to the right side of the bottom plate 3. The motor 1 drives the polishing wheel 2 to rotate, clamps the front end of the battery box to the left clamping assembly 6, and drives the left clamping assembly 6 to move backward, so that the left clamping assembly 6 drives the battery box to pass through the left polishing surface of the polishing wheel 2, so that the polishing wheel 2 polishes and removes the oxide skin on the front end surface of the battery box. When the left clamping assembly 6 moves to the rear of the bottom plate 3, the rear end of the battery box enters the right clamping assembly 8, the right clamping assembly 8 acts to clamp the rear end of the battery box, the left clamping assembly 6 is opened to release the battery box, the servo motor 10 drives the screw rod 9 to rotate to move the slide table 4 to the left side of the bottom plate 3, the right sliding frame 7 drives the right clamping assembly 8 to move forward, so that the right clamping assembly 8 drives the battery box to pass through the right polishing surface of the polishing wheel 2, so that the polishing wheel 2 polishes and removes the oxide skin on the front end surface of the battery box. The right clamping assembly 8 releases the battery box, so that the battery box is discharged, realizes polishing and removing the oxide layer on the two opposite surfaces of the battery box, reduces the time of repeatedly loading the battery box, and improves the work efficiency. Example 2

[0023] As Figure 5 and Figure 6As shown, on the basis of embodiment 1, the structure of the left moving frame 5 and the right sliding frame 7 is the same and left-right symmetrical, the left moving frame 5 comprises a longitudinal sliding rail frame 13, two drive wheels 14, a motor two 15 and a transmission belt 16, the longitudinal sliding rail frame 13 is located on the outer side of the bottom plate 3, the longitudinal sliding rail frame 13 is front-back oriented, the two drive wheels 14 are rotatably installed at the front and back ends of the longitudinal sliding rail frame 13, the motor two 15 is installed on the longitudinal sliding rail frame 13, the output shaft of the motor two 15 is in transmission connection with the drive wheels 14, the two ends of the transmission belt 16 are sleeved and connected on the two drive wheels 14, the left clamping assembly 6 is slidably installed on the longitudinal sliding rail frame 13, and the left clamping assembly 6 is in transmission connection with the transmission belt 16; the structure of the left clamping assembly 6 and the right clamping assembly 8 is the same and left-right symmetrical, the left clamping assembly 6 comprises a sliding block 17, a back plate 18, a supporting plate 19, a push cylinder 20 and a pressing plate 21, the sliding block 17 is slidably installed on the longitudinal sliding rail frame 13, the sliding block 17 is connected with the transmission belt 16, the back plate 18 is installed on the sliding block 17 through a support assembly, the inner side wall lower end of the back plate 18 is provided with a protruding supporting plate 19, the fixed end of the push cylinder 20 is installed on the upper end of the back plate 18, the lower end of the piston rod of the push cylinder 20 is connected with the pressing plate 21, and the pressing plate 21 is located above the supporting plate 19; further comprising a plurality of vertical rods 22, a plurality of top blocks 23, a plurality of baffles 24 and a plurality of springs 25, a plurality of vertical grooves are arranged on the back plate 18, a plurality of vertical rods 22 are slidably installed in the plurality of vertical grooves of the back plate 18, the lower end of each of the plurality of vertical rods 22 is provided with a top block 23 extending into the supporting plate 19, the upper end surface of each of the plurality of top blocks 23 is a wedge surface, the upper end of each of the plurality of vertical rods 22 is provided with a baffle 24 facing the inner side of the back plate 18, the plurality of baffles 24 are located above the pressing plate 21, the lower end of each of the plurality of springs 25 is connected with the plurality of baffles 24, and the upper end of each of the plurality of springs 25 is connected with the upper end of the back plate 18.

[0024] The motor two 15 drives the drive wheels 14 to rotate, the drive wheels 14 drive the transmission belt 16 to rotate, so that the transmission belt 16 drives the left clamping assembly 6 to move along the longitudinal sliding rail frame 13, the moving effect is stable and reliable, the elastic force of the plurality of springs 25 pushes the plurality of vertical rods 22 downward, so that the plurality of top blocks 23 are located below the supporting plate 19, the lower part of one end of the battery box body is placed on the supporting plate 19, the piston rod of the push cylinder 20 is elongated to push the pressing plate 21 downward, so that the pressing plate 21 presses the upper part of the battery box body, at this time, the supporting plate 19 and the pressing plate 21 cooperate to clamp the battery box body, so as to clamp the battery box body, the piston rod of the push cylinder 20 is retracted to lift the pressing plate 21 upward, the pressing plate 21 supports the plurality of baffles 24 to lift the plurality of vertical rods 22, so that the plurality of vertical rods 22 drive the plurality of top blocks 23 to be lifted from the supporting plate 19, the wedge surface of the plurality of top blocks 23 extrudes the bottom of the battery box body, so as to push the battery box body out of the supporting plate 19, and the battery box body is quickly released. Embodiment 3

[0025] As Figure 1 and Figure 6As shown, on the basis of embodiment 2, the support assembly comprises a fixed arm 26, a movable arm 27 and a push cylinder two 28, the outer end of the fixed arm 26 is connected with the sliding block 17, the outer end of the fixed arm 26 is hinged with the outer end of the movable arm 27, the leaning plate 18 is installed on the outer end of the movable arm 27, the outer end of the push cylinder two 28 is rotatably connected with the sliding block 17, and the inner end of the push cylinder two 28 is rotatably connected with the movable arm 27; the piston rod of the push cylinder two 28 is elongated to push the movable arm 27 to overturn upward, so that the movable arm 27 drives the leaning plate 18 to overturn from the vertical state to the horizontal state, the battery box is conveniently placed on the leaning plate 18, after the battery box is loaded, the piston rod of the push cylinder two 28 is retracted to drive the movable arm 27 to overturn and reset, so that the leaning plate 18 is reset to the vertical state, and the efficient loading of the battery box is improved.

[0026] As Figures 1 to 6 shown, the battery box surface oxide scale removing equipment of the utility model, when working, first push cylinder two 28's piston rod elongation pushes movable arm 27 and overturns upward, so that movable arm 27 drive leaning plate 18 and overturn from vertical state to horizontal state, conveniently place battery box on leaning plate 18, after battery box loading, push cylinder two 28's piston rod retraction drives movable arm 27 and overturns reset, so that leaning plate 18 resets to vertical state, afterwards servo motor 10 drives screw rod 9 rotation and makes sliding table 4 move to the right side of bottom plate 3, motor one 1 drives polishing wheel 2 rotation, left moving frame 5 drive left clamping assembly 6 and move backward, so that left clamping assembly 6 drive battery box and pass the left part of polishing wheel 2 and polish the surface of the front end of the battery box, so that the oxide scale on the surface of the front end of the battery box is polished and removed, then when left clamping assembly 6 moves to the back of bottom plate 3, the rear end of the battery box enters right clamping assembly 8, right clamping assembly 8 actuates and clamps the rear end of the battery box, left clamping assembly 6 opens and releases the battery box, servo motor 10 drives screw rod 9 rotation and makes sliding table 4 move to the left side of bottom plate 3, right sliding frame 7 drives right clamping assembly 8 and moves forward, so that right clamping assembly 8 drive battery box and pass the right part of polishing wheel 2 and polish the surface of the front end of the battery box, so that the oxide scale on the surface of the front end of the battery box is polished and removed, finally right clamping assembly 8 moves to the right side of the front of bottom plate 3, the piston rod of push cylinder 20 retraction drives pressing plate 21 and rises, pressing plate 21 supports multiple baffle plates 24 and lifts multiple vertical rods 22, so that multiple vertical rods 22 drive multiple top blocks 23 and rise from supporting plate 19, the wedge surface of multiple top blocks 23 extrudes the bottom of the battery box, so that the battery box is pushed out of supporting plate 19, and the battery box is released.

[0027] The main functions realized by the utility model are:

[0028] 1. The oxide layer of the two opposite surfaces of the battery box can be polished and removed, the time for loading the battery box is reduced, and the work efficiency is improved.

[0029] 2. The battery box can be efficiently clamped and released, and has good practicability;

[0030] 3. The device has a turnover structure, which facilitates loading of the battery box and has high working efficiency.

[0031] The battery box surface oxide scale removing equipment of the utility model has the installation mode, the connecting mode or the setting mode are all common mechanical mode, can be implemented as long as the beneficial effect is achieved; the motor 1, the grinding wheel 2, the bottom plate 3, the sliding table 4, the screw rod 9, the servo motor 10, the limiting block 11, the locking bolt 12, the driving wheel 14, the motor 15, the transmission belt 16, the push cylinder 20, the spring 25, the push cylinder 28 of the battery box surface oxide scale removing equipment of the utility model are purchased on the market, and the technical personnel in the industry only need to install and operate according to the attached instruction manual, and the technical personnel in the field do not need to pay creative labor.

[0032] All the technical and scientific terms used in the present application have the same meaning as that commonly understood by the technical personnel in the technical field of the utility model. The terms used in the specification of the utility model are only for the purpose of describing the specific embodiments, and are not intended to limit the utility model. The term "and / or" used in the present application includes any and all combinations of one or more related listed items.

[0033] The above is only the preferred embodiment of the utility model, and it should be pointed out that for the ordinary technical personnel in the technical field, several improvements and modifications can be made without departing from the technical principles of the utility model, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims

1. A battery box surface oxide skin removing equipment, comprising a motor one (1) and a polishing wheel (2), the polishing wheel (2) is installed on the output shaft of the motor one (1); characterized in that, The application also comprises a base plate (3), a sliding table (4), a left moving frame (5), a left clamping assembly (6), a right sliding frame (7), a right clamping assembly (8) and a driving mechanism, the sliding table (4) is slidingly installed on the base plate (3), the sliding table (4) moves left and right, the driving mechanism for installing the sliding table (4) on the base plate (3), the motor one (1) is installed on the sliding table (4), the left moving frame (5) is installed on the left side of the base plate (3), the left clamping assembly (6) is installed on the left moving frame (5), the left moving frame (5) drives the left clamping assembly (6) to move forward and backward, the right sliding frame (7) is installed on the right side of the base plate (3), the right clamping assembly (8) is installed on the right sliding frame (7), the right sliding frame (7) drives the right clamping assembly (8) to move forward and backward, and the left clamping assembly (6) and the right clamping assembly (8) clamp the front end and the rear end of the battery box, respectively.

2. The battery case surface scale removing apparatus according to claim 1, wherein The driving mechanism comprises a lead screw (9) and a servo motor (10), the sliding table (4) is slidingly installed on the sliding rail of the base plate (3), the lead screw (9) is rotatably installed on the base plate (3), the lead screw (9) is in transmission connection with the sliding table (4) through a lead screw nut, and the servo motor (10) is installed on the base plate (3) and in transmission connection with the lead screw (9).

3. The battery case surface scale removing apparatus according to claim 2, wherein The application also comprises a plurality of limiting blocks (11) and a plurality of locking bolts (12), the plurality of limiting blocks (11) are slidingly installed on the sliding rail of the base plate (3), the plurality of limiting blocks (11) are located on the left and right outer sides of the sliding table (4), respectively, and the plurality of locking bolts (12) are rotatably screwed on the plurality of limiting blocks (11), respectively.

4. The battery case surface scale removing apparatus according to claim 1, wherein The left moving frame (5) and the right sliding frame (7) are the same in structure and left-right symmetrical, the left moving frame (5) comprises a longitudinal sliding rail frame (13), two driving wheels (14), a motor two (15) and a transmission belt (16), the longitudinal sliding rail frame (13) is located on the outer side of the base plate (3), the longitudinal sliding rail frame (13) faces forward and backward, the two driving wheels (14) are rotatably installed on the front and rear ends of the longitudinal sliding rail frame (13), the motor two (15) is installed on the longitudinal sliding rail frame (13), the output shaft of the motor two (15) is in transmission connection with the driving wheels (14), the two ends of the transmission belt (16) are sleeved and connected on the two driving wheels (14), the left clamping assembly (6) is slidingly installed on the longitudinal sliding rail frame (13), and the left clamping assembly (6) is in transmission connection with the transmission belt (16).

5. The battery case surface scale removing apparatus according to claim 4, wherein The left clamping assembly (6) and the right clamping assembly (8) are the same in structure and left-right symmetrical, the left clamping assembly (6) comprises a sliding block (17), a back plate (18), a supporting plate (19), a push cylinder (20) and a pressing plate (21), the sliding block (17) is slidingly installed on the longitudinal sliding rail frame (13), the sliding block (17) is connected with the transmission belt (16), the back plate (18) is installed on the sliding block (17) through a support assembly, a protruding supporting plate (19) is arranged on the inner side wall lower end of the back plate (18), the fixed end of the push cylinder (20) is installed on the upper end of the back plate (18), the piston rod lower end of the push cylinder (20) is connected with the pressing plate (21), and the pressing plate (21) is located above the supporting plate (19).

6. The battery case surface scale removing apparatus according to claim 5, wherein Also include a plurality of vertical pole (22), a plurality of top block (23), a plurality of baffle (24) and a plurality of spring (25), the backrest (18) is provided with a plurality of vertical slot, a plurality of vertical pole (22) slidingly installed in the plurality of vertical slot of backrest (18), the lower end of a plurality of vertical pole (22) is provided with top block (23) into the top plate (19), the upper end of a plurality of top block (23) is wedge-shaped surface, the upper end of a plurality of vertical pole (22) is provided with baffle (24) towards the inside of backrest (18), a plurality of baffle (24) is located above the pressing plate (21), the lower end of a plurality of spring (25) is connected with a plurality of baffle (24), respectively, the upper end of a plurality of spring (25) and the upper end of backrest (18) is connected.

7. The battery case surface scale removing apparatus according to claim 5, wherein The support assembly includes a fixed arm (26), a movable arm (27) and a push cylinder two (28), the outer end of the fixed arm (26) is connected with the sliding block (17), the outer end of the fixed arm (26) is hinged with the outer end of the movable arm (27), the backrest (18) is installed on the outer end of the movable arm (27), the outer end of the push cylinder two (28) is rotatably connected with the sliding block (17), the inner end of the push cylinder two (28) is rotatably connected with the movable arm (27).

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