Double-station battery cell module stacking device

Abstract

The utility model discloses a double-station battery cell module stacking device which comprises a base, a support and two double-station stacking mechanisms, and each stacking mechanism comprises a centering assembly, a transplanting assembly, a sliding table assembly and a clamping assembly. The support is fixed to the base, the centering assembly and the clamping assembly are both connected with the transplanting assembly, the transplanting assembly is connected with the sliding table assemblies, the two sliding table assemblies are arranged up and down, one sliding table assembly moves along the base to achieve double stations, and the other sliding table assembly moves along the support to achieve double stations. According to the stacking device disclosed by the utility model, the centering of the battery cells is ensured through the positioning unit and the centering unit of the centering assembly, and the stability of battery cell stacking is ensured through the clamping assembly, so that the position deviation of the battery cell module is avoided, and the production efficiency is improved. Meanwhile, the upper sliding table and the lower sliding table alternately complete module stacking, and the stacking efficiency is improved.

Description

Technical Field

[0001] The utility model is applicable to the technical field of power lithium battery production, and in particular relates to a battery core module stacking device. Background Art

[0002] In the field of cell module assembly production lines in the power lithium battery industry, multiple cells need to be stacked to form a cell module. The current method is to use a four-axis manipulator to grab the cells on the conveyor line to the cell module stacking device to complete the module assembly.

[0003] However, in the existing module stacking process, due to the shaking of the manipulator or the battery cell on the stacking plate, position deviation may occur between two adjacent battery cells, affecting the module quality and making the subsequent pole welding process impossible. Therefore, once the position deviation occurs, the module needs to be taken offline and manually corrected, which greatly reduces the production efficiency. In summary, the battery cell stacking molding effect in the prior art is poor. Summary of the invention

[0004] The problem to be solved by the utility model is to provide a double-station battery module stacking device, which ensures the centering of the battery cell through the positioning unit and the centering unit of the centering component, and ensures the stability of the battery cell stacking through the clamping component, thereby ensuring that the battery cell module will not have position deviation and improving production efficiency. At the same time, the upper and lower slides in the utility model alternately complete the module stacking, thereby improving the stacking efficiency.

[0005] The utility model discloses a stacking device for double-station electric core modules, which comprises a base, a support, and two double-station stacking mechanisms, each of which comprises a centering component, a transplanting component, a slide component, and a clamping component; the support is fixed on the base, the centering component and the clamping component are both connected to the transplanting component, the transplanting component is connected to the slide component, and the two slide components are arranged up and down, one moves along the base to realize the double station, and the other moves along the support to realize the double station.

[0006] Furthermore, the slide assembly includes a servo motor I, a planetary reducer I, a gear, a front and rear transition plate I, left and right slide supports, a rack, a slider, and a linear guide; the left and right slide supports are fixed on the top of the front and rear transition plate I through the front and rear ends, and the slider is fixed on the bottom of the front and rear transition plate I; the servo motor I is fixed on the top of a transition plate I, and it is connected to the gear through the planetary reducer I; the rack and guide rail of the upper slide assembly are fixed on the support; the rack and guide rail in the lower slide assembly are installed on the base; the gear is meshed with the rack, and the slider is connected to the linear guide.

[0007] Furthermore, the transplanting assembly includes a servo motor II, a planetary reducer II, two front and rear modules, a transmission shaft, a coupling, a connecting plate, and multiple mounting plates I; the left and right ends of the front and rear modules are fixed on the left and right slide supports, the servo motor II is connected to one end of the transmission shaft through the planetary reducer II, and the other end of the transmission shaft is connected to the coupling, and the transmission shaft is connected to the module; multiple mounting plates I are located between the two modules, and the left and right ends of the mounting plate I are fixed on the left and right slide supports through the mounting seat; the connecting plate is located on the inner side of a slide support and below one end of the mounting plate I, and its front and rear ends are respectively connected to the front and rear modules, the centering assembly is connected to the connecting plate, and the clamping assembly is fixed on the other end of the mounting plate I.

[0008] Furthermore, the centering assembly includes a mounting plate II, a lifting cylinder, a plurality of positioning units, and a plurality of centering units, and the number of the positioning units and the centering units is the same as the number of the mounting plate I; the positioning unit includes a clamping cylinder I, two clamping jaws I, and two transition plates II, and the centering unit includes a clamping cylinder II and two clamping jaws II; the mounting plate II is arranged in parallel on the top of the connecting plate and is located above the mounting plate I, the mounting plate II is connected to the connecting plate through a linear bearing, and the lifting cylinder passes through the connecting plate and is connected to the mounting plate II; the clamping cylinder I is fixed to the left side of the mounting plate II, the two clamping jaws I are connected to the clamping cylinder I and are respectively located in front and behind the mounting plate I, and the transition plate II is fixed to the side of the clamping jaw I; the clamping cylinder II is fixed to the right side of the mounting plate II, the two clamping jaws II are connected to the clamping cylinder II and are respectively located in front and behind the mounting plate I, and the clamping jaws I and II are arranged in parallel on the left and right.

[0009] Furthermore, the centering component also includes two left and right buffer units, each buffer unit includes a buffer spring, a screw rod, and a support plate; the clamping jaw II is connected to the external support plate through a slider track, and the support plate is fixed on the mounting plate II; the screw rod passes through the support plate and is connected to the clamping jaw II, and the spring is sleeved on the screw rod.

[0010] Furthermore, the buffer unit also includes a rubber strip I, and the clamping jaw II is provided with the rubber strip I.

[0011] Furthermore, the clamping assembly includes multiple clamping units, and the number of clamping units is the same as the number of mounting plates I; each clamping unit includes a mounting seat, a three-axis cylinder, a clamping claw cylinder III, a rubber strip II, a clamping claw III, front and rear bottom positioning plates, and a side positioning plate. The three-axis cylinder is fixed on the mounting plate I through the mounting seat, and the clamping claw cylinder III is connected to the three-axis cylinder; the two clamping claws III are connected to the clamping claw cylinder III and are respectively located in front and behind the mounting plate I, the rubber strip II is fixed on the inner side of the clamping claw, and the bottom positioning plate and the side positioning plate are both fixed on the mounting plate I.

[0012] The advantages of the stacking device of the utility model are: 1. The positioning unit and the centering unit of the centering assembly position and clamp the left side and the front and back sides of the battery cell, thereby ensuring the centering of the battery cell; 2. The transplanting assembly transfers the centered battery cell to the clamping assembly and places it on the bottom positioning plate, thereby ensuring the height of the bottom surface of the battery cell, and the front and rear positions of the first battery cell are ensured not to move by the clamping assembly, and the subsequent battery cells are stacked on the previous battery cell by gluing to form a module, thereby ensuring the stability of the stacking, and the battery cell module will not have position deviation, which greatly improves the production efficiency; 3. The double-station slide adopts an upper and lower double-layer structure, and the upper and lower slides alternately complete the module stacking, thereby improving the stacking efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the stacking device of the utility model;

[0014] Figure 2 This is a front view of the stacking device of the utility model;

[0015] Figure 3 It is a three-dimensional stacking mechanism Figure 1 ;

[0016] Figure 4 It is a three-dimensional stacking mechanism Figure 2 ;

[0017] Figure 5 It is the main view of the centering component;

[0018] Figure 6 yes Figure 5 Top view of the . DETAILED DESCRIPTION

[0019] The present invention is further described in detail below with reference to the accompanying drawings and specific embodiments: Example 1

[0020] from Figure 1 , Figure 2 It can be seen that the utility model is a stacking device for a double-station battery cell module, which includes a base 5, a support 6, and two double-station stacking mechanisms, each stacking mechanism includes a centering component 1, a transplanting component 2, a slide component 3, and a clamping component 4; the support 6 is fixed on the base 5, the centering component 1 and the clamping component 4 are both connected to the transplanting component 2, the transplanting component 2 is connected to the slide component 3, the two slide components 3 are arranged up and down, one moves along the base 5 to realize the double station, and the other moves along the support 6 to realize the double station.

[0021] During the process of stacking cells, the four-axis robot first clamps the cells on the double-speed chain to a stacking mechanism located at the working position, and the centering component 1 is lifted to clamp and center the cells. The transplanting component 2 moves the cells to the clamping component 4, and the clamping component 4 clamps the cells to determine the position of the first cell. Then the above stacking action is repeated, and the subsequent cells are glued to the previous cells, and the final module stacking is completed in a cycle. When the stacking mechanism completes the stacking, it moves to the non-working position through the slide assembly 3; another stacking mechanism moves from the non-working position to the working position for cell clamping through the slide assembly 3 to start stacking. The upper and lower stacking mechanisms complete the module stacking alternately through the double working positions, which greatly improves the efficiency. Example 2

[0022] from Figure 1 , Figure 2 , Figure 3 , Figure 4 It can be known that the stacking device of the utility model: the slide assembly 3 includes a servo motor Ⅰ301, a planetary reducer Ⅰ302, a gear 303, a front and rear transition plate Ⅰ304, a left and right slide support 305, a rack 306, a slider 307, and a linear guide 308; the left and right slide supports 305 are fixed on the top of the front and rear transition plates Ⅰ304 through the front and rear ends, and the slider 307 is fixed on the bottom of the front and rear transition plates Ⅰ304; the servo motor Ⅰ301 is fixed on the top of a transition plate Ⅰ304, which is connected to the gear 303 through the planetary reducer Ⅰ302; the rack 306 and the guide rail 308 of the upper slide assembly are fixed on the support 6; the rack 306 and the guide rail 308 in the lower slide assembly are installed on the base 5; the gear 303 is meshed with the rack 306, and the slider 307 is connected to the linear guide 308.

[0023] When the centering assembly 1, clamping assembly 4 and transplanting assembly 2 on a slide assembly 3 on a working position complete the stacking of the battery cells, the servo motor 301 drives the gear 303 to move along the rack 306 through the planetary reducer Ⅰ302, so that the front and rear transition plates Ⅰ304 move along the linear guide 308 through the slider 307, thereby moving the stacked battery cell module to the non-working position on the other side; at the same time, another slide assembly 3 moves from the non-working position to the working position on the other side to stack the battery cells, which greatly improves the efficiency. Example 3

[0024] from Figure 1 , Figure 2 , Figure 3 , Figure 4It can be seen that the stacking device of the utility model: the transplanting assembly 2 includes a servo motor II 201, a planetary reducer II 202, two front and rear modules 203, a transmission shaft 204, a coupling 205, a connecting plate 206, and a plurality of mounting plates I 207; the left and right ends of the front and rear modules 203 are fixed on the left and right slide supports 305, the servo motor II 201 is connected to one end of the transmission shaft 204 through the planetary reducer II 202, and the coupling 205 is connected to the other end of the transmission shaft 204, The moving shaft 204 is connected to the module 203; a plurality of mounting plates Ⅰ207 are located between the two modules 203, and the left and right ends of the mounting plate Ⅰ207 are fixed on the left and right slide supports 305 through mounting seats; the connecting plate 206 is located on the inner side of a slide support 305 and below one end of the mounting plate Ⅰ207, and its front and rear ends are respectively connected to the front and rear modules 203, the centering component 1 is connected to the connecting plate 206, and the clamping component 4 is fixed on the other end of the mounting plate Ⅰ207.

[0025] The servo motor II 201 drives the transmission shaft 204 through the planetary reducer II 202 to drive the two modules 203 to work, so that the centering component 1 drives the centered battery cells together with the connecting plate 206 to move to the clamping component 4 to clamp and stack the battery cells. Example 4

[0026] from Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 It can be seen that the stacking device of the utility model: the centering component 1 includes a mounting plate II 108, a lifting cylinder 105, a plurality of positioning units, and a plurality of centering units. The number of positioning units and centering units is the same as the number of mounting plates I 207; the positioning unit includes a clamping cylinder I 101, two clamping jaws I 102, and two transition plates II 104, and the centering unit includes a clamping cylinder II 100 and two clamping jaws II 103; the mounting plate II 108 is arranged parallel to the connecting plate 206 and is located above the mounting plate I 207, and the mounting plate II 108 is connected to the connecting plate 2 by a linear bearing. 06 connection, the lifting cylinder 105 passes through the connecting plate 206 and is connected to the mounting plate II 108; the clamping cylinder I 101 is fixed on the left side of the mounting plate II 108, the two clamping jaws I 102 are connected to the clamping cylinder I 101 and are respectively located in front and behind the mounting plate I 207, and the transition plate II 104 is fixed on the side of the clamping jaw I 102; the clamping cylinder II 100 is fixed on the right side of the mounting plate II 108, the two clamping jaws II 103 are connected to the clamping cylinder II 100 and are respectively located in front and behind the mounting plate I 207, and the clamping jaws I 102 and II 103 are arranged in parallel on the left and right.

[0027] When the four-axis robot clamps the battery cell on the double-speed chain to the top of the centering mechanism, the lifting cylinder 105 first drives the positioning unit and the centering unit to lift through the mounting plate Ⅱ108, and then the clamping cylinder Ⅰ101 positions the left side of the battery cell through the transition plate Ⅱ104 on the two clamping jaws Ⅰ102; then the clamping cylinder Ⅱ100 clamps and positions the front and back sides of the battery cell through the two clamping jaws Ⅱ103, so that the battery cell will not be offset and the centering of the battery cell can be guaranteed. Example 5

[0028] from Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 It can be seen that the stacking device of the utility model: the centering component 1 also includes two left and right buffer units, each buffer unit includes a buffer spring 106, a screw rod 107, and a support plate 109; the clamping jaw Ⅱ 103 is connected to the external support plate 109 through a slider track, and the support plate 109 is fixed on the mounting plate Ⅱ 108; the screw rod 107 passes through the support plate 109 and is connected to the clamping jaw Ⅱ 103, and the spring 106 is sleeved on the screw rod 107.

[0029] The force generated during the positioning and clamping of the battery cell can be mitigated by the spring 106 and the slider rail, thereby preventing damage to the battery cell. Example 6

[0030] from Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 It can be seen that in the stacking device of the present invention: the buffer unit further includes a rubber strip Ⅰ110 , and the clamping jaw Ⅱ103 is provided with a rubber strip Ⅰ110 .

[0031] The rubber strip I110 is used to protect the battery cell and reduce the force generated during the positioning and clamping and centering of the battery cell. Example 7

[0032] from Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6It can be seen that the stacking device of the utility model: the clamping assembly 4 includes multiple clamping units, and the number of the clamping units is the same as the number of mounting plates Ⅰ207; each clamping unit includes a mounting seat 401, a three-axis cylinder 402, a clamping claw cylinder III 403, a rubber strip II 404, a clamping claw III 405, a front and rear bottom positioning plate 406, and a side positioning plate 407. The three-axis cylinder 402 is fixed on the top of the mounting plate Ⅰ207 through the mounting seat 401, and the clamping claw cylinder III 403 is connected to the three-axis cylinder 402; the two clamping claws III 405 are connected to the clamping claw cylinder III 403 and are respectively located at the front and rear of the mounting plate Ⅰ207, the rubber strip II 404 is fixed on the inner side of the clamping claw 405, and the bottom positioning plate 406 and the side positioning plate 407 are both fixed on the top of the mounting plate Ⅰ207.

[0033] After the centering component 1 clamps and centers the battery cell, the transplanting component 2 works, and the connecting plate 206 moves the centering component 1 and the battery cell to the installation position of the clamping component 4, the lifting cylinder 105 descends, and the battery cell falls on the bottom positioning plate 406, and the side of the battery cell rests on the side positioning plate 407. At this time, the three-axis cylinder 402 extends to push out the clamping cylinder III 403, and the clamping cylinder III 403 works to make the clamping claw III 405 clamp the battery cell, thereby reducing the misalignment caused by the shaking of the battery cell during the stacking process.

[0034] In the utility model, the number of positioning units, centering units, clamping units and mounting plates is equal, which can simultaneously meet the stacking requirements of the same number of battery core modules.

[0035] The working principle of the stacking device of the utility model is as follows: the four-axis robot arm clamps the battery cells on the double-speed chain to the top of a centering component of the battery cell stacking device located at a working position, the centering component is lifted and positioned and centered by the clamping claw cylinder, the transplanting component starts to move the battery cells to the clamping component, the lifting component descends, the battery cells fall on the bottom positioning plate, the three-axis cylinder of the clamping component is pushed out to clamp the clamping claw cylinder, and a battery cell stacking action is completed, and the final module stacking is completed in sequence; after the stacking is completed, the upper slide assembly is driven by the servo motor to move the gear rack to the non-working position, and the lower slide assembly is driven by the servo motor to move the gear rack to the working position for battery cell clamping, and stacking begins.

[0036] The advantages of the stacking device of the utility model are: 1. The positioning unit and the centering unit of the centering assembly position and clamp the left side and the front and back sides of the battery cell, thereby ensuring the centering of the battery cell; 2. The transplanting assembly transfers the centered battery cell to the clamping assembly and places it on the bottom positioning plate, thereby ensuring the height of the bottom surface of the battery cell, wherein the front and rear positions of the first battery cell are ensured not to move by the clamping assembly, and the subsequent battery cells are stacked on the previous battery cell by gluing to form a module, thereby ensuring the stability of the stacking and preventing the battery cell module from having position deviation; 3. The double-station slide adopts an upper and lower double-layer structure, and the upper and lower slides alternately complete the module stacking, and the upper and lower slides alternately complete the module stacking, thereby improving efficiency.

Claims

1. A stacking device for double-station battery modules, characterized by: It comprises a base (5), a support (6), and two double-station stacking mechanisms, each stacking mechanism comprising a centering component (1), a transplanting component (2), a slide component (3), and a clamping component (4); the support (6) is fixed on the base (5), the centering component (1) and the clamping component (4) are both connected to the transplanting component (2), the transplanting component (2) is connected to the slide component (3), and the two slide components (3) are arranged up and down, one moves along the base (5) to realize the double-station, and the other moves along the support (6) to realize the double-station.

2. The stacking device according to claim 1, characterized in that: The slide assembly (3) comprises a servo motor I (301), a planetary reducer I (302), a gear (303), a front and rear transition plate I (304), left and right slide supports (305), a rack (306), a slider (307), and a linear guide rail (308); the left and right slide supports (305) are fixed on the top of the front and rear transition plate I (304) through the front and rear ends, and the slider (307) is fixed on the bottom of the front and rear transition plate I (304); the servo motor The machine I (301) is fixed on a transition plate I (304) and is connected to a gear (303) through a planetary reducer I (302); the rack (306) and guide rail (308) of the upper slide assembly are fixed on a support (6); the rack (306) and guide rail (308) of the lower slide assembly are installed on a base (5); the gear (303) is meshed with the rack (306), and the slider (307) is connected to the linear guide rail (308).

3. The stacking device according to claim 2, characterized in that: The transplanting assembly (2) comprises a servo motor II (201), a planetary reducer II (202), two front and rear modules (203), a transmission shaft (204), a coupling (205), a connecting plate (206), and a plurality of mounting plates I (207); the left and right ends of the two front and rear modules (203) are fixed on the upper surfaces of the two left and right slide supports (305); the servo motor II (201) is connected to one end of the transmission shaft (204) through the planetary reducer II (202); the coupling (205) is connected to the other end of the transmission shaft (204); and the transmission shaft (20 4) is connected to the module (203); a plurality of mounting plates I (207) are located between the two modules (203), and the left and right ends of the mounting plate I (207) are fixed on the upper surfaces of the left and right slide supports (305) through mounting seats; a connecting plate (206) is located on the inner side of a slide support (305) and below one end of the mounting plate I (207), and its front and rear ends are respectively connected to the front and rear modules (203), a centering assembly (1) is connected to the connecting plate (206), and a clamping assembly (4) is fixed on the upper surface of the other end of the mounting plate I (207).

4. The stacking device according to claim 3, characterized in that: The centering assembly (1) includes a mounting plate II (108), a lifting cylinder (105), a plurality of positioning units, and a plurality of centering units. The number of the positioning units and the centering units is the same as the number of the mounting plate I (207). The positioning unit includes a clamping cylinder I (101), two clamping jaws I (102), and two transition plates II (104). The centering unit includes a clamping cylinder II (100) and two clamping jaws II (103). The mounting plate II (108) is arranged parallel to the connecting plate (206) and is located above the mounting plate I (207). The mounting plate II (108) is connected to the connecting plate (206) via a linear bearing. The lifting cylinder (105) passes through the connecting plate (206) and is connected to the mounting plate II (108); the clamping jaw cylinder I (101) is fixed on the left side of the mounting plate II (108); the two clamping jaws I (102) are connected to the clamping jaw cylinder I (101) and are respectively located in front and behind the mounting plate I (207); the transition plate II (104) is fixed on the side of the clamping jaw I (102); the clamping jaw cylinder II (100) is fixed on the right side of the mounting plate II (108); the two clamping jaws II (103) are connected to the clamping jaw cylinder II (100) and are respectively located in front and behind the mounting plate I (207); the clamping jaws I (102) and the clamping jaws II (103) are arranged parallel to each other.

5. The stacking device according to claim 4, characterized in that: The centering component (1) also includes two left and right buffer units, each buffer unit includes a buffer spring (106), a screw rod (107), and a support plate (109); the clamping jaw II (103) is connected to the external support plate (109) through a slider track, and the support plate (109) is fixed on the top of the mounting plate II (108); the screw rod (107) passes through the support plate (109) and is connected to the clamping jaw II (103), and the spring (106) is sleeved on the screw rod (107).

6. The stacking device according to claim 5, characterized in that: The buffer unit also includes a rubber strip I (110), and the clamping jaw II (103) is provided with the rubber strip I (110).

7. The stacking device according to claim 4, characterized in that: The clamping assembly (4) includes a plurality of clamping units, the number of which is the same as the number of the mounting plate I (207); each clamping unit includes a mounting seat (401), a three-axis cylinder (402), a clamping claw cylinder III (403), a rubber strip II (404), a clamping claw III (405), front and rear bottom surface positioning plates (406), and a side positioning plate (407); the three-axis cylinder (402) is fixed on the top of the mounting plate I (207) through the mounting seat (401), and the clamping claw cylinder III (403) is connected to the three-axis cylinder (402); two clamping claws III (405) are connected to the clamping claw cylinder III (403) and are respectively located at the front and rear of the mounting plate I (207); the rubber strip II (404) is fixed on the inner side of the clamping claw (405), and the bottom surface positioning plate (406) and the side positioning plate (407) are both fixed on the top of the mounting plate I (207).

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