Battery assembly and sealing equipment

By designing a battery assembly and sealing device including a robot, assembly mold, feeding assembly and liquid injection sealing assembly, the problems of low efficiency and poor accuracy of buckle battery assembly are solved, and efficient and accurate battery assembly and liquid injection operations are achieved, and the product pass rate is improved.

CN113964364BActive Publication Date: 2025-03-28SHENZHEN KEJING STAR TECHNOLOGY COMPANY
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Patent Information

Application Number
CN202010707706.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2020-07-21
Publication Date
2025-03-28
Estimated Expiration
2040-07-21

AI Technical Summary

Technical Problem

In the prior art, the assembly efficiency of the buckle battery is low, the labor cost is high, and the assembly accuracy and product yield are low, mainly because the position deviation is prone to occur during manual assembly and the liquid injection accuracy is low.

Method used

A battery assembly and sealing device is designed, including a robot, assembly mold, feeding assembly and liquid injection sealing assembly. Through the cooperation between the robot and the assembly mold and feeding assembly, the automatic assembly and liquid injection operation of the battery is realized. The liquid injection sealing assembly is used to accurately control the liquid injection volume and seal it.

Benefits of technology

It improves the degree of automation of battery assembly, improves production efficiency, reduces material stacking deviation, and improves assembly accuracy and the pass rate of finished batteries.

✦ Generated by Eureka AI based on patent content.

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Abstract

A battery assembly and sealing device includes a machine, a manipulator, an assembly mold, a feeding assembly, and a liquid injection and sealing assembly. The assembly mold and the feeding assembly are both located below the manipulator; the manipulator is used to reciprocate between the feeding assembly and the assembly mold, move the material on the feeding assembly to the assembly mold and assemble it on the assembly mold; the assembly mold is used to reciprocate between the manipulator and the liquid injection and sealing assembly, move the semi-finished battery assembled by the manipulator to the bottom of the liquid injection and sealing assembly; the liquid injection and sealing assembly is used to inject electrolyte into the semi-finished battery and seal it. The battery assembly and sealing device provided by the present invention has a high degree of automation, improves production efficiency, has high assembly accuracy, and improves product qualification rate.
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Description

Technical Field

[0001] The present invention relates to the technical field of battery assembly equipment, and in particular to a battery assembly and sealing device. Background Art

[0002] Button batteries are generally composed of a negative electrode cover, nickel foam, a negative electrode sheet, a separator, a positive electrode sheet, an electrolyte, and a positive electrode cover. These materials must be stacked together during assembly.

[0003] At present, the assembly of button batteries usually requires manual assembly, which has low assembly efficiency and high labor costs. In addition, since the above-mentioned components are mostly round and very thin (usually 0.005mm-0.3mm), and the diameters of various parts may vary, the internal materials are prone to deviation when stacked during manual assembly. At the same time, during manual injection, the injection volume is difficult to control and the injection accuracy is low, thereby reducing the assembly accuracy and product yield of button batteries. Summary of the invention

[0004] In view of this, it is necessary to provide a battery assembly and sealing device that can improve assembly efficiency and assembly accuracy.

[0005] The present invention provides a battery assembly and sealing device, comprising a machine platform and a manipulator, an assembly mold, a feeding component and a liquid injection and sealing component arranged on the machine platform, the assembly mold and the feeding component are both located below the manipulator, the liquid injection and sealing component is arranged on one side of the manipulator, the manipulator comprises a first drive mechanism arranged on the machine platform and a suction cup component arranged on the first drive mechanism, and the assembly mold comprises a third drive component arranged on the machine platform and a mold station arranged on the third drive component.

[0006] The first driving mechanism drives the suction cup assembly to move back and forth between the feeding assembly and the assembly mold, and moves the material on the feeding assembly to the mold station, and assembles the material at the mold station to obtain a semi-finished battery; the third driving assembly drives the mold station to move back and forth between the manipulator and the liquid injection and sealing assembly, and moves the semi-finished battery to the bottom of the liquid injection and sealing assembly; the liquid injection and sealing assembly is used to inject electrolyte into the semi-finished battery and seal it.

[0007] In the embodiment of the present application, the manipulator also includes a bracket and a dividing plate, the first driving mechanism is arranged on the bracket, the dividing plate is arranged on the first driving mechanism, the suction cup assembly is arranged on the dividing plate, and there are multiple suction cup assemblies, the mold station is arranged below the dividing plate and cooperates with the suction cup assembly, and the feeding assembly is arranged below the dividing plate and is located on one side of the assembly mold.

[0008] The first driving mechanism is used to drive the dividing plate to move in the horizontal and vertical directions. The movement of the dividing plate in the horizontal direction is used to realize the reciprocating movement of the suction cup assembly between the assembly mold and the feeding assembly. The movement of the dividing plate in the vertical direction is used to realize the suction cup assembly to absorb materials and assemble materials. The first driving mechanism is also used to drive the dividing plate to rotate around the central axis of the dividing plate, thereby changing the positions of two adjacent suction cup assemblies.

[0009] In the implementation manner of the present application, the plurality of suction cup assemblies are evenly distributed on the side wall of the dividing plate, and the suction cups of the plurality of suction cup assemblies are of different sizes.

[0010] In the implementation manner of the present application, the first driving mechanism includes a cam assembly arranged on the bracket, a connecting rod assembly cooperating with the cam assembly, a first driving assembly driving the cam assembly, a bidirectional motion assembly cooperating with the connecting rod assembly, and a second driving assembly arranged on the bidirectional motion assembly. The dividing plate is arranged at the output end of the second driving assembly. The first driving assembly is used to drive the cam assembly to rotate, and then drive the bidirectional motion assembly to move along the horizontal direction or the vertical direction through the connecting rod assembly, so as to move the dividing plate along the horizontal direction or the vertical direction. The second driving assembly is used to drive the dividing plate to rotate around the center axis, thereby changing the positions of two adjacent suction cup assemblies.

[0011] In the embodiment of the present application, the liquid injection and sealing assembly includes a support arm arranged on the machine platform, a sealing drive mechanism arranged on the support arm, an upper sealing module arranged on the sealing drive mechanism, a lower sealing module arranged below the upper sealing module, a liquid injection head arranged on the upper sealing module, and a liquid injection pump connected to the liquid injection head, the liquid injection pump is used to inject electrolyte into the semi-finished battery on the assembly mold through the liquid injection head, and the sealing drive mechanism is used to drive the upper sealing module and the lower sealing module to seal the semi-finished workpiece after liquid injection.

[0012] In the implementation manner of the present application, the injection pump includes a control valve and a dial.

[0013] In the implementation manner of the present application, the liquid filling and sealing assembly also includes an electrolyte shaking and cleaning mechanism disposed on the support arm and cooperating with the liquid filling head.

[0014] In the implementation manner of the present application, the mold station is a groove structure, and the shape of the groove structure is consistent with the shape of the battery.

[0015] In the embodiment of the present application, the feeding assembly includes a fourth driving assembly arranged on the machine platform, a feeding table arranged on the fourth driving assembly, and a plurality of trays arranged on the feeding table. The fourth driving assembly is used to drive the feeding table to reciprocate on the machine platform, and move each of the trays in turn to the bottom of the suction cup assembly.

[0016] In the embodiment of the present application, the battery assembly and sealing device further comprises an electric control box, and the electric control box is electrically connected to the manipulator, the assembly mold, the feeding assembly and the liquid injection and sealing assembly respectively.

[0017] Compared with the prior art, the battery assembly and sealing device provided in the present application realizes automatic assembly, liquid injection and sealing operations of the battery through the cooperation between the manipulator, assembly mold, feeding assembly and liquid injection and sealing assembly. It has a high degree of automation and effectively improves the production efficiency. The precise coordination between the manipulator and the assembly mold reduces the deviation phenomenon when the materials are stacked and improves the assembly accuracy. At the same time, the liquid injection and sealing assembly can accurately control the injection amount, thereby effectively improving the qualified rate of the finished batteries. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a three-dimensional diagram of a battery assembly and sealing device provided in one embodiment of the present invention.

[0019] Figure 2 It is a schematic diagram of the internal structure of a battery assembly and sealing device provided in one embodiment of the present invention.

[0020] Figure 3 It is a schematic diagram of the structure of a manipulator in one embodiment of the present invention.

[0021] Figure 4 It is a schematic diagram of the internal structure of a battery assembly and sealing device provided in one embodiment of the present invention from another angle.

[0022] Figure 5 It is a schematic structural diagram of a liquid filling and sealing assembly in one embodiment of the present invention.

[0023] Figure 6 It is a schematic diagram of the structure of the injection pump in one embodiment of the present invention.

[0024] Figure 7 It is a structural schematic diagram of an electric control box in one embodiment of the present invention.

[0025] Main component symbols

[0026] Battery assembly and sealing device 1000

[0027] Machine 1

[0028] Robot 2

[0029] Bracket 21

[0030] The first driving mechanism 22

[0031] Cam assembly 221

[0032] First Cam 2211

[0033] Second Cam 2212

[0034] Connecting rod assembly 222

[0035] First connecting rod 2221

[0036] Second connecting rod 2222

[0037] The first driving assembly 223

[0038] Bidirectional motion assembly 224

[0039] Vertical action rod 2241

[0040] Horizontal Action Rod 2242

[0041] Action guide block 2243

[0042] Second drive assembly 225

[0043] Indexing plate 23

[0044] Suction cup assembly 24

[0045] Suction cup seat 241

[0046] Adsorption tube 242

[0047] Suction Cup 243

[0048] Assembling mold 3

[0049] The third driving component 31

[0050] Mould station 32

[0051] Feeding component 4

[0052] Fourth driving assembly 41

[0053] Feeding table 42

[0054] Tray 43

[0055] Liquid injection sealing component 5

[0056] Support arm 51

[0057] Sealing drive mechanism 52

[0058] Upper sealing module 53

[0059] Lower sealing module 54

[0060] Positioning seat 541

[0061] Positioning block 542

[0062] Sealing threaded shaft 543

[0063] Drive gear 544

[0064] Connecting shaft 545

[0065] Liquid injection head 55

[0066] Injection pump 56

[0067] Dial 561

[0068] Control valve 562

[0069] Electrolyte shake cleaning mechanism 57

[0070] Electric control box 6

[0071] Vacuum device 7

[0072] Central axis a

[0073] The following specific implementation manner will further illustrate the present invention in conjunction with the above-mentioned drawings. DETAILED DESCRIPTION

[0074] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0075] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0076] The system implementation described below is only illustrative. The division of the modules or circuits is only a logical function division. There may be other division methods in actual implementation. In addition, it is obvious that the word "comprising" does not exclude other units or steps, and the singular does not exclude the plural. Multiple units or mechanisms stated in the system claims can also be implemented by the same unit or mechanism through software or hardware. The words first, second, etc. are used to indicate names, and do not indicate any specific order.

[0077] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0078] See also Figures 1 to 7 As shown, a battery assembly and sealing device 1000 provided in an embodiment of the present invention includes a machine 1 and a manipulator 2, an assembly mold 3, a feeding assembly 4, and a liquid injection and sealing assembly 5 arranged on the machine 1. The assembly mold 3 and the feeding assembly 4 are both located below the manipulator 2, and the liquid injection and sealing assembly 5 is arranged on one side of the manipulator 2.

[0079] The robot 2 is used to move back and forth between the feeding component 4 and the assembly mold 3, move the material on the feeding component 4 to the assembly mold 3, and assemble the material on the assembly mold 3 to obtain a semi-finished battery.

[0080] The assembly mold 3 is used to reciprocate between the robot 2 and the liquid injection and sealing assembly 5 to move the semi-finished battery assembled by the robot 2 to below the liquid injection and sealing assembly 5 .

[0081] The liquid injection and sealing assembly 5 is used to inject electrolyte into the semi-finished battery and seal it.

[0082] like Figures 2 to 4As shown, the manipulator 2 includes a bracket 21, a first driving mechanism 22 disposed on the bracket 21, a dividing plate 23 disposed on the first driving mechanism 22, and a plurality of suction cup assemblies 24 disposed on the dividing plate 23. The assembly mold 3 is disposed below the dividing plate 23 and cooperates with the suction cup assembly 24, and the feeding assembly 4 is disposed below the dividing plate 23 and is located on one side of the assembly mold 3. The first driving mechanism 22 is used to drive the dividing plate 23 to move in the horizontal direction, thereby realizing the movement between the assembly mold 3 and the feeding assembly 4. The first driving mechanism 22 is also used to drive the dividing plate 23 and then drive the suction cup assembly 24 to move in the vertical direction, thereby realizing the process of taking and placing materials and battery assembly.

[0083] The first driving mechanism 22 drives the suction cup assembly 24 to move horizontally between the assembly mold 3 and the feeding assembly 4, and then drives the suction cup assembly 24 to move vertically, so that the suction cup assembly 24 absorbs the material on the feeding assembly 4, moves the material to the assembly mold 3 and places the material on the assembly mold 3. The first driving mechanism 22 can also be used to drive the indexing plate 23 to rotate around the central axis a of the indexing plate 23, thereby changing the positions of two adjacent suction cup assemblies 24, so that multiple suction cup assemblies 24 can be located in sequence directly above the assembly mold 3 or the feeding assembly 4. The structural design of the manipulator 2 and its cooperation with the assembly mold 3 and the feeding assembly 4 can realize the automatic assembly of button batteries and improve the assembly efficiency.

[0084] The first driving mechanism 22 can adopt a variety of structural designs, as long as it can realize the movement of the indexing plate 23 in the horizontal direction and the vertical direction and the rotation around the central axis a. Figure 2As shown, in one embodiment, the first driving mechanism 22 includes a cam assembly 221 disposed on the bracket 21, a connecting rod assembly 222 matched with the cam assembly 221, a first driving assembly 223 driving the cam assembly 221, a bidirectional motion assembly 224 matched with the connecting rod assembly 222, and a second driving assembly 225 disposed on the bidirectional motion assembly 224. The indexing plate 23 is disposed at the output end of the second driving assembly 225, and the first driving assembly 223 is used to drive the cam assembly 221 to rotate, and then drive the bidirectional motion assembly 224 to move in the horizontal direction or the vertical direction through the connecting rod assembly 222, so as to realize the movement of the indexing plate 23 in the horizontal direction or the vertical direction, and finally realize the movement of the suction cup assembly 24 between the feeding assembly 4 and the assembly mold 3, and the suction cup assembly 24 is lifted and lowered in the vertical direction to realize the material taking and assembly actions. The second driving assembly 225 is used to drive the dividing plate 23 to rotate around the central axis a, thereby changing the positions of two adjacent suction cup assemblies 24, so that multiple suction cup assemblies 24 can be located directly above the assembly mold 3 or the feeding assembly 4 in sequence.

[0085] In one embodiment, the cam assembly 221 includes a first cam 2211 and a second cam 2212 coaxially arranged, the connecting rod assembly 222 includes a first connecting rod 2221 and a second connecting rod 2222, and the bidirectional motion assembly 224 includes a vertical action rod 2241, a horizontal action rod 2242 and an action guide block 2243; one end of the first connecting rod 2221 is rotatably connected to the second cam 2212, and the other end is movably connected to one end of the vertical action rod 2241, one end of the second connecting rod 2222 is rotatably connected to the first cam 2211, and the other end is connected to the action guide block 2243, the other end of the vertical action rod 2241 is movably fixed to the action guide block 2243, one end of the horizontal action rod 2242 is fixed to the action guide block 2243, and the other end is connected to the second driving assembly 225. The first driving assembly 223 is used to drive the first cam 2211 to rotate, and drive the action guide block 2243 through the second connecting rod 2222, and then drive the horizontal action rod 2242 to move in the horizontal direction, so as to realize the horizontal movement of the dividing plate 23 and the suction cup assembly 24. The first driving assembly 223 is also used to drive the second cam 2212 to rotate, and drive the vertical action rod 2241 to move in the vertical direction through the first connecting rod 2221, and then drive the action guide block 2243 to move up and down in the vertical direction, so as to realize the vertical movement of the suction cup assembly 24. In this embodiment, the cooperation of the cam assembly 221, the connecting rod assembly 222 and the bidirectional motion assembly 224 can realize the movement of the dividing plate 23 and the suction cup assembly 24 in the horizontal direction or the vertical direction.

[0086] In one embodiment, the first driving mechanism 22 also includes a plurality of displacement sensors, which are used to accurately sense the movement distance of the vertical action rod 2241 and the horizontal action rod 2242 in the bidirectional motion assembly 224, so as to achieve precise control of the movement distance of the suction cup assembly 24 in the horizontal and vertical directions, thereby improving the alignment accuracy of material assembly stacking and avoiding misalignment.

[0087] In one embodiment, the second driving assembly 225 includes a driving motor disposed on the horizontal action rod 2242 and a gear disposed at the output end of the driving motor, the dividing plate 23 is connected to the gear, and the driving motor 2251 is used to drive the gear to rotate, thereby driving the dividing plate 23 to rotate around the central axis a, thereby realizing the position change of two adjacent suction cup assemblies 24.

[0088] In one embodiment, the suction cup assembly 24 includes a suction cup seat 241 disposed on the side wall of the indexing plate 23, a suction pipe 242 disposed on the suction cup seat 241, and a suction cup 243 disposed on the suction pipe 242, wherein the suction pipe 242 is connected to the vacuum device 7 through a pipeline. When any of the suction cup assemblies 24 is rotated to a vertical downward working state, it will be connected to the vacuum device 7, while the other suction cup assemblies 24 in a non-working state will be disconnected from the vacuum device 7.

[0089] In one embodiment, the plurality of suction cups 243 may be of different specifications. By changing the suction cups 243 of different specifications to cooperate with the assembly mold 3 and the feeding assembly 4 respectively, the assembly of batteries of different specifications can be achieved.

[0090] In one embodiment, the plurality of suction cup assemblies 24 are evenly distributed on the side wall of the dividing plate 23 . Specifically, in this embodiment, the number of the suction cup assemblies 24 is four, and the four suction cup assemblies 24 are evenly distributed on the side wall of the dividing plate 23 .

[0091] In one embodiment, the assembly mold 3 includes a third drive assembly 31 disposed on the machine 1 and a mold station 32 disposed on the third drive assembly 31, and the third drive assembly 31 is used to drive the mold station 32 to reciprocate between the manipulator 2 and the liquid injection and sealing assembly 5. The mold station 32 is a groove structure, and the side wall of the groove structure can also limit the assembled material, further improving the alignment accuracy of the assembled material stacking.

[0092] In one embodiment, the third driving component 31 is located below the table of the machine 1 , and the mold station 32 is located above the table of the machine 1 . The third driving component 31 passes through the table of the machine 1 to realize the driving function of the mold station 32 .

[0093] In one embodiment, the feeding assembly 4 includes a fourth driving assembly 41 disposed on the machine 1, a feeding table 42 disposed on the fourth driving assembly 41, and a plurality of trays 43 disposed on the feeding table 42. The fourth driving assembly 41 is used to drive the feeding table 42 to reciprocate on the machine 1, and move each of the trays 43 to the position directly below the suction cup assembly 24 in sequence.

[0094] In one embodiment, the feed table 42 is a generally long strip structure, and a plurality of trays 43 are arranged roughly side by side on the feed table 42. The plurality of trays 43 are respectively used to hold materials required for different battery assembly, such as button cell assembly, and the plurality of trays 43 are sequentially placed with negative electrode shells, metal lithium, diaphragms, pole pieces, gaskets, springs, and positive electrode shells in the assembly order. The fourth drive assembly 41 drives the feed table 42 to sequentially move the above materials to face the assembly mold 3, and then the suction cup assembly 24 sequentially sucks the above materials and places them on the mold station 32 for assembly.

[0095] In one embodiment, the feeding assembly 4 is arranged substantially parallel to the assembly mold 3 , and the fourth driving assembly 41 drives the feeding table 42 to move, so that the tray 43 and the mold station 32 are simultaneously located on the horizontal movement path of the dividing plate 23 .

[0096] like Figure 2 , Figures 4 to 5 As shown, in one embodiment, the liquid injection and sealing assembly 5 includes a support arm 51 provided on the machine 1, a sealing drive mechanism 52 provided on the support arm 51, an upper sealing module 53 provided on the sealing drive mechanism 52, a lower sealing module 54 provided directly below the upper sealing module 53, a liquid injection head 55 provided on the upper sealing module 53, and a liquid injection pump 56 connected to the liquid injection head 55, wherein the liquid injection pump 56 is used to inject the electrolyte into the assembled battery cavity on the assembly mold 3 through the liquid injection head 55, and the sealing drive mechanism 52 is used to drive the upper sealing module 53 and cooperate with the lower sealing module 54 to seal the battery after liquid injection. By combining liquid injection and sealing together, the sealing operation can be directly performed after the liquid injection is completed, avoiding the need to move the battery after the electrolyte is injected, thereby causing accidental leakage of the electrolyte, thereby improving the product yield and production efficiency.

[0097] In one embodiment, the liquid injection sealing assembly 5 further includes an electrolyte shaking cleaning mechanism 57 disposed on the support arm 51. The electrolyte shaking cleaning mechanism 57 is provided with a vibration module inside, and can shake after being powered on. The shaking of the electrolyte shaking cleaning mechanism 57 can drive the liquid injection head 55 to shake, thereby cleaning the residual electrolyte in the liquid injection head 55. Specifically, the liquid injection head 55 is connected to the liquid injection pump 56 through a pipeline, and the vibration head of the electrolyte shaking cleaning mechanism 57 is close to the pipeline at the liquid injection head 55, and then the liquid injection head 55 can be driven to shake through the pipeline, so that the residual electrolyte in the liquid injection head 55 flows out, thereby preventing the electrolyte from accumulating in the liquid injection head 55 and affecting its use.

[0098] In one embodiment, the lower sealing module 54 includes a positioning seat 541 provided on the machine 1 and directly below the upper sealing module 53, a positioning block 542 provided on one side of the positioning seat 541, a sealing threaded shaft 543 provided below the machine 1 and connected to the positioning seat 541, a driving gear 544 driving the sealing threaded shaft 543 to rotate and rise and fall, and the driving gear 544 is connected to the sealing driving mechanism 52 through a connecting shaft 545. After the assembly mold 3 moves onto the positioning seat 541, the positioning block 542 blocks the assembly mold 3 and fixes it on the positioning seat 541. The sealing driving mechanism 52 drives the driving gear 544 to rotate, thereby driving the sealing threaded shaft 543 to rise and fall, and rotating and pushing the positioning seat 541 upward, and at the same time cooperating with the upper sealing module 53, applying pressure to the semi-finished battery after the electrolyte is injected into the assembly mold 3 for sealing.

[0099] like Figure 6 As shown, in one embodiment, the injection pump 56 can be an independent device, which can be connected to the injection head 55 through a pipeline. At the same time, the injection pump 56 is provided with a dial 561 and a control valve 562. The control valve 562 can control the amount of injected electrolyte. At the same time, combined with the dial 561, the injection amount of electrolyte can be accurately controlled, thereby improving the control ability of the electrolyte injection amount and improving the product yield.

[0100] like Figure 1 and Figure 7 As shown, in one embodiment, the battery assembly and sealing device 1000 also includes an electrical control box 6, which is electrically connected to the manipulator 2, the assembly mold 3, the feeding component 4 and the liquid injection and sealing component 5, respectively, and is used to control the operation of the entire equipment and intelligently operate, thereby improving the efficiency of battery assembly and sealing and the qualified rate of assembled products.

[0101] Compared with the prior art, the battery assembly and sealing device 1000 provided in the present application realizes automatic assembly, liquid injection and sealing operations of the battery through the cooperation between the manipulator, assembly mold, feeding component and liquid injection and sealing component. It has a high degree of automation and effectively improves production efficiency. The precise coordination between the manipulator and the assembly mold reduces the deviation phenomenon when the materials are stacked and improves the assembly accuracy. At the same time, the liquid injection and sealing component can accurately control the injection amount, thereby effectively improving the qualified rate of the finished batteries.

[0102] In addition, for those skilled in the art, various other corresponding changes and modifications can be made based on the technical concept of the present invention, and all these changes and modifications should fall within the protection scope of the claims of the present invention.

Claims

1. A battery assembly and sealing device, characterized in that: It includes a machine platform and a manipulator, an assembly mold, a feeding component, a liquid injection and sealing component and an electric control box arranged on the machine platform. The assembly mold and the feeding component are both located below the manipulator, and the liquid injection and sealing component is arranged on one side of the manipulator. The manipulator includes a first driving mechanism arranged on the machine platform and a suction cup component arranged on the first driving mechanism. The assembly mold includes a third driving component arranged on the machine platform and a mold station arranged on the third driving component. The electric control box is electrically connected to the manipulator, the assembly mold, the feeding component and the liquid injection and sealing component respectively. The first driving mechanism drives the suction cup assembly to move back and forth between the feeding assembly and the assembly mold, and moves the material on the feeding assembly to the mold station, and assembles the material at the mold station to obtain a semi-finished battery; the third driving assembly drives the mold station to move back and forth between the manipulator and the liquid injection and sealing assembly, and moves the semi-finished battery to the bottom of the liquid injection and sealing assembly; the liquid injection and sealing assembly is used to inject electrolyte into the semi-finished battery and seal it. The manipulator further comprises a bracket and a dividing plate, the first driving mechanism is arranged on the bracket, the dividing plate is arranged on the first driving mechanism, the suction cup assembly is arranged on the dividing plate, and there are multiple suction cup assemblies, the mold station is arranged below the dividing plate and cooperates with the suction cup assembly, and the feeding assembly is arranged below the dividing plate and located on one side of the assembly mold; The first driving mechanism is used to drive the dividing plate to move in the horizontal and vertical directions. The movement of the dividing plate in the horizontal direction is used to realize the reciprocating movement of the suction cup assembly between the assembly mold and the feeding assembly. The movement of the dividing plate in the vertical direction is used to realize the suction cup assembly to absorb materials and assemble materials. The first driving mechanism is also used to drive the dividing plate to rotate around the central axis of the dividing plate, thereby changing the positions of two adjacent suction cup assemblies.

2. The battery assembly and sealing device according to claim 1, characterized in that: The plurality of suction cup assemblies are evenly distributed on the side wall of the indexing plate, and the suction cups of the plurality of suction cup assemblies have different sizes.

3. The battery assembly and sealing device according to claim 1, characterized in that: The first driving mechanism includes a cam assembly arranged on the bracket, a connecting rod assembly cooperating with the cam assembly, a first driving assembly driving the cam assembly, a bidirectional motion assembly cooperating with the connecting rod assembly, and a second driving assembly arranged on the bidirectional motion assembly. The dividing plate is arranged at the output end of the second driving assembly. The first driving assembly is used to drive the cam assembly to rotate, and then drive the bidirectional motion assembly to move along the horizontal direction or the vertical direction through the connecting rod assembly, so that the dividing plate moves along the horizontal direction or the vertical direction. The second driving assembly is used to drive the dividing plate to rotate around the center axis.

4. The battery assembly and sealing device according to claim 1, characterized in that: The liquid injection and sealing assembly includes a support arm arranged on the machine platform, a sealing drive mechanism arranged on the support arm, an upper sealing module arranged on the sealing drive mechanism, a lower sealing module arranged below the upper sealing module, a liquid injection head arranged on the upper sealing module, and a liquid injection pump connected to the liquid injection head, the liquid injection pump is used to inject electrolyte into the semi-finished battery on the assembly mold through the liquid injection head, and the sealing drive mechanism is used to drive the upper sealing module and the lower sealing module to seal the semi-finished battery after liquid injection.

5. The battery assembly and sealing device according to claim 4, characterized in that: The injection pump comprises a control valve and a dial.

6. The battery assembly and sealing device according to claim 4, characterized in that: The liquid injection and sealing assembly also includes an electrolyte shaking and cleaning mechanism which is arranged on the support arm and cooperates with the liquid injection head.

7. The battery assembly and sealing device according to claim 1, characterized in that: The mold station is a groove structure, and the shape of the groove structure is consistent with the shape of the battery.

8. The battery assembly and sealing device according to claim 1, characterized in that: The feeding assembly includes a fourth driving assembly arranged on the machine platform, a feeding table arranged on the fourth driving assembly, and a plurality of trays arranged on the feeding table. The fourth driving assembly is used to drive the feeding table to reciprocate on the machine platform, and move each of the trays to the bottom of the suction cup assembly in turn.

Citation Information

Patent Citations

  • Battery assembling and sealing device

    CN212625707U