Novel lithium battery pitch-variable clamping jaw

Abstract

The utility model discloses a novel lithium battery pitch-variable clamping jaw which comprises a main load plate and a rack fixedly installed on the top of the main load plate. And the number of the cross beams is two, one cross beam is fixedly installed on one side of the bottom of the main load plate, and the other cross beam is installed on the other side of the bottom of the main load plate in a sliding mode. According to the utility model, the servo ball screw modules are combined with the carrying clamping jaws, so that the high requirements of automation, precision and high efficiency on the carrying pitch change of products in the lithium battery production process are met, the pitch change of the multiple clamping jaws in the X-axis direction and the Y-axis direction is driven by the double servo ball screw modules, the pitch change precision is improved, and the production efficiency is improved. Therefore, the collision phenomenon of the clamping jaws is reduced, the service life of the clamping jaws is prolonged, the problem that the replacement period of the clamping jaws is too short is solved, servo is introduced, the pitch is controlled online through a program, the clamping jaws do not need to be manually changed, and the shutdown frequency of a production line is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium electricity production equipment technical field, especially a new type lithium electricity variable distance clamping jaw. BACKGROUND

[0002] With the rapid growth of electric vehicles, energy storage systems and consumer electronics markets, the demand for lithium batteries is also increasing, efficient production can meet the market demand for large quantities of lithium batteries, shorten the production cycle, efficient production process can improve production efficiency, reduce production cost, the clamping jaw is more and more widely used in lithium electricity production equipment, when different sizes and shapes of lithium battery assemblies need to be processed, manual change of the clamping jaw needs to be stopped. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the purpose of the utility model is to provide a new type lithium electricity variable distance clamping jaw, which solves the problem that manual change of the clamping jaw needs to be stopped when different sizes and shapes of lithium battery assemblies need to be processed in the prior art.

[0004] The technical scheme solved is a new type lithium electricity variable distance clamping jaw, comprising:

[0005] A main load plate and a rack fixedly installed on the top of the main load plate;

[0006] A cross beam, the cross beam is provided with two, one of the cross beams is fixedly installed on one side of the bottom of the main load plate, and the other cross beam is slidably installed on the other side of the bottom of the main load plate, a clamping jaw base fixedly installed on the bottom of each cross beam and a plurality of clamping jaw bases slidably arranged on the bottom of the cross beam are arranged on each cross beam, a clamping jaw cylinder is fixedly installed in the inside of the clamping jaw base and the clamping jaw base, and two clamping jaws are fixedly installed on the output end of the clamping jaw cylinder.

[0007] A distance dividing plate, the distance dividing plate is provided with two, and a connecting plate is arranged between the two ends of the two distance dividing plates;

[0008] An X-axis distance varying mechanism, the X-axis distance varying mechanism is used for adjusting the distance variation of the plurality of clamping jaws in the X-axis direction;

[0009] A Y-axis distance varying mechanism, the Y-axis distance varying mechanism is used for adjusting the distance variation of the plurality of clamping jaws on the two cross beams in the Y-axis direction.

[0010] Preferably, the X-axis distance varying mechanism comprises a motor seat fixedly installed on the rack, an X-axis servo motor fixedly installed on the top of the motor seat, an X-axis servo lead screw fixedly installed on the output end of the X-axis servo motor, and an X-axis driving rod threadedly connected to the X-axis servo lead screw.

[0011] Preferably, two through-slots are formed in the frame, and two ends of the X-axis driving rod are respectively penetrated through the two through-slots and fixedly connected with the connecting plates.

[0012] The X-axis servo lead screw is rotatably installed on the support block through a bearing at an end away from the X-axis servo motor, and a through hole for accommodating the support block is formed in the main load plate.

[0013] Preferably, a first sliding block is fixedly installed at the middle of the side of each of the two connecting plates away from each other, a first sliding rail matched with the first sliding block is fixedly installed at the top of the main load plate, and the first sliding block is slidably installed on the first sliding rail at the side away from the connecting plate.

[0014] Preferably, a second sliding block is fixedly installed at the top of the clamping base, a second sliding rail matched with the second sliding block is fixedly installed at the bottom of the cross beam, and the top of the second sliding block is slidably installed on the second sliding rail.

[0015] Preferably, the Y-axis variable distance mechanism comprises a motor support fixedly installed on the main load plate, a Y-axis servo motor fixedly installed on the motor support, a driving wheel fixedly installed at the output end of the Y-axis servo motor, a support plate fixedly installed on the motor support, a Y-axis servo lead screw rotatably installed on the support plate through a bearing, a driven wheel fixedly installed at an end of the Y-axis servo lead screw away from the support plate, an L-shaped connecting rod threadedly connected to the Y-axis servo lead screw, and the driving wheel and the driven wheel are drivingly connected through a transmission belt.

[0016] Preferably, one end of the L-shaped connecting rod away from the Y-axis servo lead screw is fixedly connected with the other cross beam, a third sliding block is fixedly installed at each end of the top of the other cross beam, a third sliding rail matched with the third sliding block is fixedly installed at each end of the bottom of the main load plate, and the top of the third sliding block is slidably installed on the third sliding rail.

[0017] Preferably, a connecting support is fixedly installed at the side of the clamping base and the clamping base close to the distance plate, a slide rod is fixedly installed on the connecting support, and a plurality of slide grooves matched with the slide rod are formed in the distance plate, wherein one of the slide grooves is vertically arranged, and the rest of the slide grooves are obliquely arranged.

[0018] Preferably, two ends of one of the distance plates are respectively fixedly installed at one end of the two connecting plates, a waist hole is formed at the other end of the two connecting plates, roller supports are fixedly installed at the top of the other distance plate, two rollers are installed on the roller supports, and the two rollers respectively contact the top and the bottom of the other end of the connecting plate.

[0019] Preferably, the top of the other distance plate is fixedly provided with L-shaped plates at both ends, the fourth sliding blocks are fixedly installed on the side of the L-shaped plates away from the other distance plate, the top of the other beam is fixedly provided with two fourth sliding rails matched with the fourth sliding blocks, and the fourth sliding blocks are slidably installed on the fourth sliding rails away from the L-shaped plates.

[0020] The other ends of the two connecting plates are fixedly connected through the fixed rods.

[0021] Compared with the prior art, the utility model has the advantages that:

[0022] The utility model discloses a servo ball screw module is combined with carrying clamp, realizes the high requirement of high efficiency of product's carrying variable distance automation, precision in lithium battery production process, and the utility model discloses through the variable distance of the driving of multiple clamps in X axle, Y axle direction of double servo ball screw module, and improves the precision of variable distance, thereby reduces the collision phenomenon of clamp, prolongs the service life of clamp, improves the problem that the replacement period of clamp is too short, introduces the variable distance of on -line control of program by servo, does not need to change manually clamp, reduces the frequency of production line shutdown. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is the three-dimensional schematic view of the utility model.

[0024] Figure 2 It is the structure schematic view of the X axle variable distance mechanism of the utility model.

[0025] Figure 3 It is the bottom view schematic view of the utility model.

[0026] Figure 4 It is the structure schematic view of the Y axle variable distance mechanism of the utility model.

[0027] Figure 5 It is the front view schematic view of the utility model.

[0028] Figure 6 It is the local structure schematic view of the utility model.

[0029] Figure 7 It is the beam structure schematic view of the utility model.

[0030] Explanation of the reference numerals in the schematic view:

[0031] 1, main load plate; 2, rack; 3, crossbeam; 4, clamping base; 5, clamping base; 6, clamping cylinder; 7, clamping; 8, distance plate; 9, X-axis distance adjusting mechanism; 10, Y-axis distance adjusting mechanism; 11, connecting plate; 12, first sliding block; 13, first sliding rail; 14, support block; 15, second sliding block; 16, second sliding rail; 17, third sliding block; 18, third sliding rail; 19, connecting bracket; 20, sliding rod; 21, sliding groove; 22, L-shaped plate; 23, fourth sliding rail; 24, roller bracket; 25, roller; 26, fixed rod; 901, motor base; 902, X-axis servo motor; 903, X-axis servo screw; 904, X-axis drive rod; 1001, motor bracket; 1002, Y-axis servo motor; 1003, driving wheel; 1004, support plate; 1005, Y-axis servo screw; 1006, driven wheel; 1007, L-shaped connecting rod; 1008, transmission belt. DETAILED DESCRIPTION

[0032] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0033] The specific embodiment is a novel lithium battery variable-pitch clamping jaw, a structural schematic diagram of which is shown in the figure, comprising a main load plate 1 and a rack 2 fixedly installed on the top of the main load plate 1. Figures 1-7

[0034] Crossbeams 3 are provided with two, one of which is fixedly installed on one side of the bottom of the main load plate 1, and the other is slidingly installed on the other side of the bottom of the main load plate 1. Each crossbeam 3 is provided with a clamping base 4 fixedly installed on the bottom of the crossbeam 3 and a plurality of clamping bases 5 slidingly arranged on the bottom of the crossbeam 3. The clamping base 4 and the clamping base 5 are fixedly installed with a clamping cylinder 6 inside, and the output end of the clamping cylinder 6 is fixedly installed with two clamping jaws 7.

[0035] Distance plates 8 are provided with two, and connecting plates 11 are arranged between the two ends of the two distance plates 8.

[0036] X-axis distance adjusting mechanism 9, X-axis distance adjusting mechanism 9 is used for adjusting the distance of a plurality of clamping jaws 7 in the X-axis direction.

[0037] Y-axis distance adjusting mechanism 10, Y-axis distance adjusting mechanism 10 is used for adjusting the distance of a plurality of clamping jaws 7 on the two crossbeams 3 in the Y-axis direction.

[0038] ​The X-axis distance changing mechanism 9 can drive the distance changing plate 8 to move up, and can drive the clamping claws 7 on the plurality of clamping claw bases 5 at the bottom of the two cross beams 3 to move away from the clamping claw bases 4 during the movement of the distance changing plate 8 upwards, so as to realize the distance changing of the plurality of clamping claws 7 in the X-axis direction. The Y-axis distance changing mechanism 10 drives the distance between the plurality of clamping claws 7 at the bottom of the other cross beam 3 and the plurality of clamping claws 7 at the bottom of one of the cross beams 3. Through the X-axis distance changing mechanism 9 and the Y-axis distance changing mechanism 10, the distance of the clamping claws 7 in the X-axis and Y-axis directions can be changed.

[0039] One end of each of the two distance changing plates 8 is fixedly installed on one end of the two connecting plates 11, and the other end of each of the two connecting plates 11 is provided with a waist hole. The top of the other distance changing plate 8 is fixedly installed with two roller supports 24, and the two roller supports 24 are installed with two rollers 25, and the two rollers 25 are in contact with the top and bottom of the other end of the connecting plate 11. The roller support 24 can slide in the waist hole of the connecting plate 11.

[0040] The top of the other distance changing plate 8 is fixedly installed with two L-shaped plates 22, and the side of the L-shaped plate 22 away from the other distance changing plate 8 is fixedly installed with a fourth sliding block. The top of the other cross beam 3 is fixedly installed with two fourth sliding rails 23 matched with the fourth sliding block. The side of the fourth sliding block away from the L-shaped plate 22 is slidably installed on the fourth sliding rail 23. When the other distance changing plate 8 moves in the vertical direction, the L-shaped plate 22 can be moved. When the L-shaped plate 22 moves upwards, the fourth sliding block can slide on the fourth sliding rail 23. The fourth sliding block and the fourth sliding rail 23 can make the movement of the other distance changing plate 8 in the vertical direction smooth without jamming.

[0041] The other ends of the two connecting plates 11 are fixedly connected through a fixed rod 26, and the other ends of the two connecting plates 11 are connected as a whole under the action of the fixed rod 26.

[0042] The clamping claw base 4 and the clamping claw base 5 are fixedly installed with a connecting support 19 on the side close to the distance changing plate 8. The connecting support 19 is fixedly installed with a sliding rod 20. The distance changing plate 8 is provided with a plurality of sliding grooves 21 matched with the sliding rod 20. One of the sliding grooves 21 is vertically arranged, and the rest of the sliding grooves 21 is inclinedly arranged.

[0043] The X-axis distance changing mechanism 9 comprises a motor seat 901 fixedly installed on the rack 2, an X-axis servo motor 902 fixedly installed on the top of the motor seat 901, an X-axis servo lead screw 903 fixedly installed on the output end of the X-axis servo motor 902, and an X-axis drive rod 904 screwed on the X-axis servo lead screw 903.

[0044] Two through grooves are formed in the rack 2, the two ends of the X-axis driving rod 904 respectively penetrate the two through grooves and are fixedly connected with the connecting plates 11, and the through grooves can realize the lifting of the X-axis driving rod 904 in the vertical direction;

[0045] The X-axis servo lead screw 903 is rotatably installed on the support block 14 through a bearing at the end away from the X-axis servo motor 902, the main load plate 1 is provided with a through hole for accommodating the support block 14, and the support block 14 is fixedly installed on the protruding end of the rack 2 extending into the through hole, so that the support block 14 can support the X-axis servo lead screw 903;

[0046] When it is necessary to adjust the spacing of the multiple grippers 7 in the X-axis direction, the X-axis servo motor 902 is started to drive the X-axis servo lead screw 903 to rotate forward, the X-axis servo lead screw 903 can drive the X-axis driving rod 904 threadedly connected thereto to move upward during the forward rotation, the X-axis driving rod 904 can drive the two connecting plates 11 to move upward during the upward movement, one end of the connecting plate 11 can drive one of the distance plates 8 to move upward during the upward movement, the other end of the connecting plate 11 can drive the other distance plate 8 to move upward under the cooperation of the roller bracket 24 and the two rollers 25 during the upward movement, and the two distance plates 8 can drive the multiple gripper bases 5 to move away from the gripper base 4 under the cooperation of the inclined sliding grooves 21 and the sliding rods 20 during the upward movement, so as to realize the variable spacing of the multiple grippers 7 in the X-axis direction.

[0047] The first sliding blocks 12 are fixedly installed on the middle parts of the sides away from each other of the two connecting plates 11, the first sliding rails 13 are fixedly installed on the top of the main load plate 1 and cooperate with the first sliding blocks 12, and the sides away from the connecting plates 11 of the first sliding blocks 12 are slidably installed on the first sliding rails 13;

[0048] The connecting plates 11 can drive the first sliding blocks 12 to slide on the first sliding rails 13 during the vertical movement of the connecting plates 11, and the first sliding blocks 12 and the first sliding rails 13 can guide the movement of the connecting plates 11 and make the movement of the connecting plates 11 smooth and without jamming, and can also prevent the connecting plates 11 from deviating during the movement.

[0049] The top of the clamping and grabbing base 5 is fixedly installed with a second sliding block 15, the bottom of the cross beam 3 is fixedly installed with a second sliding rail 16 matched with the second sliding block 15, and the top of the second sliding block 15 is slidingly installed on the second sliding rail 16;

[0050] During the movement of the clamping and grabbing base 5 in the X-axis direction, the second sliding block 15 can slide on the second sliding rail 16, and the second sliding block 15 can guide the movement of the clamping and grabbing base 5 and the clamping and grabbing 7 installed thereon and make the movement of the clamping and grabbing base 5 and the clamping and grabbing 7 installed thereon smooth and without jamming, and can also prevent the clamping and grabbing base 5 and the clamping and grabbing 7 installed thereon from deviating during the movement.

[0051] The Y-axis variable pitch mechanism 10 comprises a motor bracket 1001 fixedly installed on the main load plate 1, a Y-axis servo motor 1002 fixedly installed on the motor bracket 1001, a driving wheel 1003 fixedly installed at the output end of the Y-axis servo motor 1002, a support plate 1004 fixedly installed on the motor bracket 1001, a Y-axis servo lead screw 1005 rotatably installed on the support plate 1004 through a bearing, a driven wheel 1006 fixedly installed at the end of the Y-axis servo lead screw 1005 away from the support plate 1004, an L-shaped connecting rod 1007 threadedly connected to the Y-axis servo lead screw 1005, and the driving wheel 1003 and the driven wheel 1006 are drivingly connected through a transmission belt 1008.

[0052] The end of the L-shaped connecting rod 1007 away from the Y-axis servo lead screw 1005 is fixedly connected with the other cross beam 3, the top of the other cross beam 3 is fixedly installed with a third sliding block 17 at both ends, the bottom of the main load plate 1 is fixedly installed with a third sliding rail 18 matched with the third sliding block 17 at both ends, the top of the third sliding block 17 is slidingly installed on the third sliding rail 18, and the other cross beam 3 can drive the third sliding block 17 to slide on the third sliding rail 18 during the movement of the other cross beam 3, and the third sliding block 17 and the third sliding rail 18 can guide the movement of the other cross beam 3 and the clamping and grabbing 7 installed thereon and make the movement smooth and without jamming.

[0053] When the distance between the plurality of clamping grippers 7 mounted on one of the cross beams 3 and the other cross beam 3 needs to be changed, the Y-axis servo motor 1002 is started to drive the driving wheel 1003 to rotate in the positive direction, and the driving wheel 1003 can drive the driven wheel 1006 to rotate through the transmission belt 1008 in the rotating process, and the driven wheel 1006 can drive the Y-axis servo lead screw 1005 to rotate in the rotating process, and the Y-axis servo lead screw 1005 can drive the L-shaped connecting rod 1007 to move away from one of the cross beams 3 in the rotating process, and the L-shaped connecting rod 1007 can drive the other cross beam 3 to move away from one of the cross beams 3 in the moving process, and the other cross beam 3 can drive the third sliding block 17 to slide on the third sliding rail 18 in the moving process, and the other cross beam 3 can drive the fourth sliding rail 23 to move synchronously in the moving process, and under the cooperation of the fourth sliding rail 23, the fourth sliding block and the L-shaped plate 22, the other distance plate 8 can be driven to move synchronously in the moving process of the other cross beam 3 moving away from one of the cross beams 3, and the other distance plate 8 drives the roller support 24 to move in the waist hole of the connecting plate 11 in the moving process, and the two rollers 25 on the roller support 24 are in contact with the top and bottom of the connecting plate 11, respectively, which reduces the moving friction, and the distance between the plurality of clamping grippers 7 mounted on the two cross beams 3 can be changed through the movement of the other cross beam 3.

[0054] The utility model discloses through X axis variable distance mechanism 9 can drive distance plate 8 to go up and down, can drive the clamping gripper 7 on the plurality of clamping gripper bases 5 of two cross beams 3 bottom to move away from the direction of clamping gripper base 4 in the moving process of distance plate 8, thereby realizes the variable distance of the plurality of clamping grippers 7 in X axle direction, Y axle variable distance mechanism 10 drives the distance between the plurality of clamping grippers 7 of another cross beam 3 bottom and the plurality of clamping grippers 7 of one of the cross beams 3 bottom, through X axle variable distance mechanism 9 and Y axle variable distance mechanism 10 can realize the variable distance of clamping gripper 7 in X axle and Y axle direction,

[0055] Meanwhile the utility model discloses through the combination of servo ball screw module and carrying clamping jaw, realizes the high requirement of high efficiency, automation, precision of product in lithium battery production process, the utility model discloses through double servo ball screw module drive multi -claw X axle, Y axle direction's variable distance, and improves the accuracy of variable distance, thereby reduces the collision phenomenon of clamping jaw, prolongs the service life of clamping jaw, improves the problem that clamping jaw replacement cycle is too short, introduces servo by program online control variable distance, need not manual change clamping jaw, reduces the frequency of production line shutdown.

[0056] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A novel lithium-ion battery variable-pitch gripper, characterized in that, include: The main load plate (1) and the frame (2) fixedly installed on the top of the main load plate (1); There are two crossbeams (3), one of which is fixedly installed on one side of the bottom of the main load plate (1), and the other is slidably installed on the other side of the bottom of the main load plate (1). Each crossbeam (3) is provided with a clamping base (4) fixedly installed on the bottom of the crossbeam (3) and multiple clamping bases (5) slidably installed on the bottom of the crossbeam (3). The clamping base (4) and the clamping base (5) are both fixedly installed with clamping cylinders (6). Two clamps (7) are fixedly installed at the output end of the clamping cylinder (6). Dividing plate (8), two dividing plates (8) are provided, and a connecting plate (11) is provided between the two ends of the two dividing plates (8). X-axis pitch mechanism (9), which is used to adjust the pitch of multiple grippers (7) in the X-axis direction; Y-axis pitch mechanism (10), which is used to adjust the pitch of multiple grippers (7) on two crossbeams (3) in the Y-axis direction.

2. The novel lithium-ion variable-pitch gripper according to claim 1, characterized in that, The X-axis pitch mechanism (9) includes a motor mount (901) fixedly mounted on the frame (2), an X-axis servo motor (902) fixedly mounted on the top of the motor mount (901), an X-axis servo screw (903) fixedly mounted on the output end of the X-axis servo motor (902), and an X-axis drive rod (904) threadedly connected to the X-axis servo screw (903).

3. The novel lithium battery variable-pitch gripper according to claim 2, characterized in that, Two through slots are provided on the frame (2), and the two ends of the X-axis drive rod (904) pass through the two through slots respectively and are fixedly connected to the connecting plate (11); The end of the X-axis servo screw (903) away from the X-axis servo motor (902) is rotatably mounted on the support block (14) via a bearing. The main load plate (1) has a through hole for accommodating the support block (14). The support block (14) is fixedly mounted on the protruding end of the frame (2) extending to the through hole.

4. The novel lithium battery variable-pitch gripper according to claim 3, characterized in that, A first sliding block (12) is fixedly installed on the middle of the side of each of the two connecting plates (11) that are far apart. A first slide rail (13) that cooperates with the first sliding block (12) is fixedly installed on the top of the main load plate (1). The side of the first sliding block (12) that is far away from the connecting plate (11) is slidably installed on the first slide rail (13).

5. The novel lithium battery variable-pitch gripper according to claim 1, characterized in that, The top of the gripping base (5) is fixedly installed with a second sliding block (15), and the bottom of the crossbeam (3) is fixedly installed with a second slide rail (16) that cooperates with the second sliding block (15). The top of the second sliding block (15) is slidably installed on the second slide rail (16).

6. The novel lithium battery variable-pitch gripper according to claim 5, characterized in that, The Y-axis pitch mechanism (10) includes a motor bracket (1001) fixedly mounted on the main load plate (1), a Y-axis servo motor (1002) fixedly mounted on the motor bracket (1001), a drive wheel (1003) fixedly mounted on the output end of the Y-axis servo motor (1002), a support plate (1004) fixedly mounted on the motor bracket (1001), a Y-axis servo screw (1005) rotatably mounted on the support plate (1004) via a bearing, a driven wheel (1006) fixedly mounted on the end of the Y-axis servo screw (1005) away from the support plate (1004), an L-shaped connecting rod (1007) threadedly connected to the Y-axis servo screw (1005), and the drive wheel (1003) being connected to the driven wheel (1006) via a transmission belt (1008).

7. The novel lithium-ion variable-pitch gripper according to claim 6, characterized in that, The end of the L-shaped connecting rod (1007) away from the Y-axis servo screw (1005) is fixedly connected to another crossbeam (3). Both ends of the top of the other crossbeam (3) are fixedly installed with third sliding blocks (17). Both ends of the bottom of the main load plate (1) are fixedly installed with third slide rails (18) that cooperate with the third sliding blocks (17). The top of the third sliding block (17) is slidably installed on the third slide rail (18).

8. The novel lithium battery variable-pitch gripper according to claim 1, characterized in that, The clamping base (4) and the clamping base (5) are both fixedly installed with a connecting bracket (19) on one side near the dividing plate (8). A sliding rod (20) is fixedly installed on the connecting bracket (19). The dividing plate (8) has multiple sliding grooves (21) that cooperate with the sliding rod (20). One of the sliding grooves (21) is vertically set, and the rest of the sliding grooves (21) are inclined.

9. The novel lithium-ion variable-pitch gripper according to claim 8, characterized in that, One of the dividing plates (8) is fixedly installed at one end of two connecting plates (11) at both ends. The other end of the two connecting plates (11) is provided with a waist hole. The top of the other dividing plate (8) is fixedly installed with two roller brackets (24). Two rollers (25) are installed on the roller brackets (24), and the two rollers (25) are in contact with the top and bottom of the other end of the connecting plate (11) respectively.

10. The novel lithium-ion battery variable-pitch gripper according to claim 9, characterized in that, Another dividing plate (8) has L-shaped plates (22) fixedly installed at both ends of its top. A fourth sliding block is fixedly installed on the side of the L-shaped plate (22) away from the other dividing plate (8). Two fourth slide rails (23) that cooperate with the fourth sliding blocks are fixedly installed on the top of another crossbeam (3). The side of the fourth sliding block away from the L-shaped plate (22) is slidably installed on the fourth slide rail (23). The other ends of the two connecting plates (11) are fixedly connected by a fixing rod (26).

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