Pouch battery carrier and battery manufacturing method

Abstract

The present application belongs to the technical field of battery manufacturing equipment, and particularly relates to a soft package battery carrier and a battery manufacturing method. A plurality of accommodating holes are arranged on a box body. The battery jig comprises a positive electrode assembly, a negative electrode assembly, a liquid injection valve, a jig seat and a turning plate. A liquid storage cavity and a liquid outlet interface are arranged on the jig seat. The positive electrode assembly, the negative electrode assembly and the liquid injection valve are all mounted on the jig seat, and the liquid injection valve is communicated with the liquid storage cavity. The turning plate is used for clamping the soft package battery on the jig seat. The positive electrode assembly and the negative electrode assembly are respectively electrically connected with the positive and negative electrode lugs of the soft package battery. The liquid outlet interface is communicated with the liquid injection hole of the soft package battery. The clamping assembly comprises a clamping plate and a heating element mounted on the clamping plate. The clamping assembly is one-to-one correspondingly mounted in the accommodating hole, and is used for clamping and heating the soft package battery. The battery jig is one-to-one correspondingly detachably mounted in the accommodating space. The soft package battery carrier can realize the steps of baking, liquid injection, storage and formation of the soft package battery, and improves the applicability and universality of the soft package battery carrier.

Description

TECHNICAL FIELD

[0001] The present application belongs to the technical field of battery manufacturing equipment, in particular to a soft package battery carrier and a battery manufacturing method. BACKGROUND

[0002] Lithium ion batteries are widely used in various electronic products, vehicles and other equipment, and are divided into hard shell lithium ion batteries and soft shell lithium ion batteries according to the packaging materials. Among them, the soft package lithium ion battery has the advantages of good safety performance, light weight and large capacity.

[0003] After the battery body is installed in the flexible shell, the soft package lithium ion battery needs to be subjected to processes such as liquid injection, storage and formation. In order to ensure the stability of the soft package lithium ion battery, the soft package battery is usually installed in a battery jig. In the prior art, the soft package battery needs to be transferred in different battery jigs during the processes such as liquid injection, storage and formation. The existing battery jig has the technical problem of single function, and the soft package battery may be damaged during transfer in different jigs, thereby affecting the quality of the soft package battery. Moreover, the design of multiple jigs greatly increases the equipment cost of the battery production line. SUMMARY

[0004] The embodiments of the present application provide a soft package battery carrier and a battery manufacturing method to solve the technical problem of single function of the battery jig in the prior art.

[0005] An embodiment of the present application provides a soft package battery carrier, which comprises a box body, a plurality of clamping assemblies and a plurality of battery jigs. The box body is provided with a plurality of accommodating holes which are spaced apart.

[0006] The battery jig comprises a positive electrode assembly, a negative electrode assembly, a liquid injection valve, a jig seat and a flap. The jig seat is provided with a liquid storage cavity and a liquid outlet interface communicating with the liquid storage cavity. The positive electrode assembly, the negative electrode assembly and the liquid injection valve are all installed on the jig seat, and the liquid injection valve communicates with the liquid storage cavity. The flap is rotatably installed on the jig seat and is used for clamping the soft package battery on the jig seat. The positive electrode assembly and the negative electrode assembly are respectively used for electrically connecting the positive electrode lug and the negative electrode lug of the soft package battery. The liquid outlet interface is used for communicating with the liquid injection hole of the soft package battery.

[0007] The clamping assembly comprises a clamping plate and a heating element installed on the clamping plate. The clamping assembly is one-to-one corresponding to the accommodating hole.

[0008] The battery jig is one-to-one corresponding to the accommodating space and can be detachably installed in the accommodating space. The clamping plate is used for clamping the soft package battery, and the heating element is used for heating the soft package battery.

[0009] Optionally, the clamping plate comprises a first side plate, a second side plate, and an elastic plate connected between the first side plate and the second side plate.

[0010] The heating member comprises a first heating plate rotatably connected to the first side plate and a second heating plate rotatably connected to the second side plate, and a clamping space for clamping the soft-pack battery is arranged between the first heating plate and the second heating plate.

[0011] Optionally, a first through hole is arranged on the first side plate, and a second through hole is arranged on the second side plate.

[0012] The soft-pack battery carrier further comprises an opening and clamping assembly mounted on the box body, the opening and clamping assembly comprises an outer slide rod provided with an inner hole and an inner slide rod slidably mounted in the inner hole; a plurality of slide holes and a plurality of first side columns are arranged on the side wall of the outer slide rod at intervals; a plurality of second side columns are arranged on the side of the inner slide rod at intervals, and the second side columns one-to-one pass through the slide holes;

[0013] The outer slide rod is inserted into the first through hole and the second through hole, the first side columns one-to-one abut against the first side plate, and the second side columns one-to-one abut against the second side plate.

[0014] Optionally, the opening and clamping assembly further comprises a first driving member and a second driving member; the first driving member is connected to the outer slide rod and is used to drive the outer slide rod to move; the second driving member is connected to the inner slide rod and is used to drive the inner slide rod to move.

[0015] Optionally, the battery fixture further comprises a locking member mounted on the fixture seat, and a locking hook adapted to the locking member is arranged on the flap;

[0016] When the locking member and the locking hook are locked with each other, the flap is used to press the soft-pack battery tightly on the fixture seat;

[0017] When the locking hook and the locking member are unlocked, the flap is used to unlock the soft-pack battery on the fixture seat.

[0018] Optionally, the positive electrode assembly comprises a positive electrode block, and a positive electrode connector and a positive electrode jack group mounted on the fixture seat; the positive electrode jack group comprises a plurality of positive electrode holes arranged at intervals, and a positive electrode pin is arranged on the positive electrode block and inserted into the positive electrode hole; the positive electrode block is electrically connected to the positive electrode block through the positive electrode pin inserted into the positive electrode hole; the positive electrode block is used to electrically connect the positive electrode lug of the soft-pack battery.

[0019] The negative electrode assembly comprises a negative electrode block, and a negative electrode joint and a negative electrode socket group which are both mounted on the jig seat, the negative electrode socket group comprises a plurality of negative electrode holes which are distributed at intervals, and the negative electrode block is provided with negative electrode pins which are inserted into the negative electrode holes; the negative electrode block is electrically connected with the negative electrode block through the negative electrode pins which are inserted into the negative electrode holes; and the negative electrode block is used for electrically connecting the negative electrode tabs of the soft package battery.

[0020] Optionally, the jig seat comprises a liquid storage seat and a support seat connected with the liquid storage seat, the liquid storage cavity and the liquid outlet interface are both arranged on the liquid storage seat, and the liquid injection valve, the positive electrode assembly and the negative electrode assembly are all mounted on the support seat.

[0021] The turning plate comprises a horizontal plate and a vertical plate connected with the horizontal plate, and the horizontal plate is rotationally mounted on the support seat.

[0022] The vertical plate is used for clamping the soft package battery on the liquid storage seat and making the liquid injection hole of the soft package battery butt joint with the liquid outlet interface.

[0023] The horizontal plate is used for clamping the positive electrode tab and the negative electrode tab of the soft package battery on the support seat and making the positive electrode tab and the negative electrode tab of the soft package battery respectively butt joint with the positive electrode assembly and the negative electrode assembly.

[0024] Optionally, the soft package battery carrier further comprises a vacuum interface which is mounted on the box body and communicates with all the containing holes.

[0025] Optionally, the battery jig comprises a sealing ring which is sleeved on the jig seat and is used for sealing the outlet of the containing hole.

[0026] Another embodiment of the present application further provides a battery manufacturing method which is applied to the above soft package battery carrier and comprises the following steps.

[0027] The turning plate clamps the soft package battery on the jig seat, the liquid injection hole of the soft package battery communicates with the liquid outlet interface, and the positive electrode tab and the negative electrode tab of the soft package battery are electrically connected with the positive electrode assembly and the negative electrode assembly respectively.

[0028] The battery jig is mounted in the containing hole, and the clamping plate clamps the opposite two sides of the soft package battery.

[0029] The inner cavity of the soft package battery is vacuumized through the liquid injection valve, and the soft package battery is heated through the heating element.

[0030] After the soft package battery is cooled in the containing hole for a first preset time, electrolyte is injected into the liquid storage cavity and the inner cavity of the soft package battery through the liquid injection valve.

[0031] After the soft package battery in the accommodating hole is heated by the heating piece for a second preset time, the soft package battery is charged and discharged by the positive electrode assembly and the negative electrode assembly;

[0032] After the soft package battery is charged and discharged in the accommodating hole, the battery jig and the soft package battery are taken out from the accommodating hole.

[0033] The soft package battery carrier provided by the embodiment of the present application first places the soft package battery on the jig seat, then covers the turning plate on the jig seat, at this time, the turning plate can clamp the soft package battery on the jig seat, and the liquid injection hole of the soft package battery is communicated with the liquid outlet interface, and the positive electrode lug and the negative electrode lug electrically connected with the soft package battery are electrically connected with the positive electrode assembly and the negative electrode assembly respectively. Then, the battery jig is installed in the accommodating hole, and the clamping plate clamps the soft package battery from the opposite sides, and the box body can accommodate a plurality of battery jigs at the same time.

[0034] The heating piece can heat the soft package battery after being powered on, the electrolyte can be injected into the storage cavity through the liquid injection valve, the electrolyte in the storage cavity can be injected into the soft package battery through the liquid outlet interface, and the positive electrode assembly and the negative electrode assembly can charge and discharge the soft package battery after being powered on, so that the soft package battery carrier can realize the steps of baking, liquid injection, storage and formation of the soft package battery, thereby improving the applicability and universality of the soft package battery carrier. The soft package battery does not need to be transferred in each jig, which ensures the quality of the soft package battery and reduces the equipment cost of the soft package battery manufacturing line. Moreover, the soft package battery carrier has simple structure, low manufacturing cost and simple operation. BRIEF DESCRIPTION OF DRAWINGS

[0035] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0036] Figure 1 is a structural schematic view of a soft package battery carrier provided by an embodiment of the present application;

[0037] Figure 2 is a structural schematic view of an opening and clamping assembly and a clamping assembly provided by an embodiment of the present application;

[0038] Figure 3 is a structural schematic view of a clamping assembly provided by an embodiment of the present application;

[0039] Figure 4is a sectional view of an open-clamp assembly provided by an embodiment of the present application;

[0040] Figure 5 is Figure 4 is a partial enlarged view at A in FIG. 8;

[0041] Figure 6 is a structural schematic diagram of a battery fixture in a clamped state provided by an embodiment of the present application;

[0042] Figure 7 is a structural schematic diagram of a battery fixture in an open state provided by an embodiment of the present application;

[0043] Figure 8 is a sectional view of a battery fixture provided by an embodiment of the present application;

[0044] Figure 9 is a partial exploded structural schematic diagram of a battery fixture provided by an embodiment of the present application;

[0045] Figure 10 is an exploded structural schematic diagram of a liquid injection valve provided by an embodiment of the present application;

[0046] Figure 11 is a structural schematic diagram of a soft-pack battery provided by an embodiment of the present application;

[0047] Figure 12 is a schematic diagram of a battery manufacturing method provided by an embodiment of the present application.

[0048] Reference signs in the specification are as follows:

[0049] 1, box; 11, containing hole; 2, clamping assembly; 21, clamping plate; 211, first side plate; 2111, first through hole; 212, second side plate; 2121, second through hole; 213, elastic plate; 22, heating piece; 221, first heating plate; 222, second heating plate; 3, battery fixture; 31, positive electrode assembly; 311, positive electrode block; 3111, positive electrode pin; 312, positive electrode connector; 313, positive electrode jack group; 32, negative electrode assembly; 321, negative electrode block; 3211, negative electrode pin; 322, negative electrode connector; 323, negative electrode jack group; 33, liquid injection valve; 331, sealing ring; 332, valve seat; 3321, third through hole; 333, valve core; 3331, valve hole; 3332, side hole; 34, fixture seat; 341, liquid storage cavity; 342, liquid outlet interface; 343, liquid storage seat; 344, support seat; 35, flap; 351, lock hook; 352, horizontal plate; 353, vertical plate; 36, locking piece; 37, sealing ring; 4, opening clamping assembly; 41, outer sliding rod; 411, sliding hole; 412, first side column; 42, inner sliding rod; 421, second side column; 100, soft package battery; 101, liquid injection hole; 102, positive electrode lug; 103, negative electrode lug. DETAILED DESCRIPTION

[0050] In order to make the technical problems solved by the present application, technical solutions and beneficial effects clearer, the present application will be further described in detail below in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the present application and not to limit the present application.

[0051] In the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In the description of the present application, unless otherwise specified and limited, the meaning of "a plurality of" is two or more.

[0052] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0053] As Figure 1 shown, an embodiment of the present application provides a soft package battery carrier, which comprises a box 1, a plurality of clamping assemblies 2 and a plurality of battery jigs 3, the box 1 is provided with a plurality of accommodating holes 11 distributed at intervals; it can be understood that the box 1 is provided with at least one row of accommodating holes 11; the accommodating hole 11 is equivalent to the drawer hole on the box 1.

[0054] As Figures 6 to 8 shown, the battery jig 3 comprises a positive electrode assembly 31, a negative electrode assembly 32, a liquid injection valve 33, a jig seat 34 and a turning plate 35, the jig seat 34 is provided with a liquid storage cavity 341 and a liquid outlet interface 342 communicating with the liquid storage cavity 341; the positive electrode assembly 31, the negative electrode assembly 32 and the liquid injection valve 33 are all installed on the jig seat 34, and the liquid injection valve 33 communicates with the liquid storage cavity 341; the turning plate 35 is rotatably installed on the jig seat 34 and is used for clamping the soft package battery 100 on the jig seat 34, the positive electrode assembly 31 and the negative electrode assembly 32 are respectively used for electrically connecting the positive electrode lug 102 and the negative electrode lug 103 of the soft package battery 100, and the liquid outlet interface 342 is used for communicating with the liquid injection hole 101 of the soft package battery 100; it can be understood that when the liquid injection valve 33 is not connected with an external liquid injection device, the liquid injection valve 33 is in a plugging state; when the liquid injection valve 33 is connected with an external liquid injection device, the liquid injection valve 33 is in a conducting state, at this time, the external liquid injection device can inject electrolyte into the liquid storage cavity 341 through the liquid injection valve 33; the clamping plate 21 can be rotatably installed on the jig seat 34 through a rotating shaft, further, a torsional spring is sleeved on the rotating shaft; the clamping plate 21 can be covered on the jig seat 34 through a locking piece and a buckle piece.

[0055] As Figure 2 and Figure 3 shown, the clamping assembly 2 comprises a clamping plate 21 and a heating piece 22 installed on the clamping plate 21, and the clamping assembly 2 is installed one by one in the accommodating hole 11; it can be understood that the heating piece 22 includes but is not limited to a heating plate, a heating wire and the like, and the clamping plate 21 can clamp the soft package battery 100 from the upper and lower sides.

[0056] The battery jig 3 is detachably installed one by one in the accommodating hole 11, the clamping plate 21 is used for clamping the soft package battery 100, and the heating piece 22 is used for heating the soft package battery 100.

[0057] Specifically, first, the soft package battery 100 is placed on the jig seat 34, and then the flap 35 is closed on the jig seat 34, at this time, the flap 35 can clamp the soft package battery 100 on the jig seat 34, and the liquid injection hole 101 of the soft package battery 100 is communicated with the liquid outlet interface 342, and the positive and negative electrode ears 102 and 103 electrically connected with the soft package battery 100 are respectively electrically connected with the positive electrode assembly 31 and the negative electrode assembly 32. Then, the battery jig 3 is installed in the containing hole 11, and the clamping plate 21 clamps the soft package battery 100 from opposite sides, and the box 1 can simultaneously contain a plurality of battery jigs 3.

[0058] The heating piece 22 can heat the soft package battery 100 after being powered on, and the electrolyte can be injected into the liquid storage cavity 341 through the liquid injection valve 33, and the electrolyte in the liquid storage cavity 341 can be injected into the soft package battery 100 through the liquid outlet interface 342, and the positive electrode assembly 31 and the negative electrode assembly 32 can be powered on, and the soft package battery 100 can be charged and discharged through the soft package battery jig 3, so that the soft package battery carrier can realize the steps of baking, liquid injection, storage, formation and the like of the soft package battery 100, improve the applicability and universality of the soft package battery carrier; the soft package battery 100 does not need to be transferred in each jig, which ensures the quality of the soft package battery 100 and reduces the equipment cost of the soft package battery manufacturing line. And the structure of the soft package battery carrier is simple, the manufacturing cost is low, and the operation is simple.

[0059] In an embodiment, as shown in Figure 3 It can be understood that the first side plate 211, the elastic plate 213 and the second side plate 212 are integrally formed, and the elastic plate 213 enables the first side plate 211 and the second side plate 212 to have a certain clamping force.

[0060] The heating piece 22 includes a first heating plate 221 rotatably connected to the first side plate 211 and a second heating plate 222 rotatably connected to the second side plate 212, and a clamping space for clamping the soft package battery 100 is arranged between the first heating plate 221 and the second heating plate 222. It can be understood that the first side plate 211 can be rotatably connected to the first heating plate 221 through a first hinge, and the second side plate 212 can be rotatably connected to the second heating plate 222 through a second hinge.

[0061] Specifically, the first side plate 211 has a clamping force towards the second side plate 212 on the first heating plate 221, and the second side plate 212 has a clamping force towards the first side plate 211 on the second heating plate 222, so that the clamp plate 21 can clamp the soft package battery 100 through the first heating plate 221 and the second heating plate 222, and the first heating plate 221 and the second heating plate 222 can heat the soft package battery 100. In this embodiment, the structure of the clamping assembly 2 is simple and the manufacturing cost is low.

[0062] In an embodiment, as shown in Figures 2 to 5 The first side plate 211 is provided with a first through hole 2111, and the second side plate 212 is provided with a second through hole 2121.

[0063] The soft package battery carrier further comprises an opening and clamping assembly 4 mounted on the box 1, the opening and clamping assembly 4 comprising an outer slide rod 41 provided with an inner hole and an inner slide rod 42 slidingly mounted in the inner hole; the side wall of the outer slide rod 41 is provided with a plurality of slide holes 411 and a plurality of first side columns 412 distributed at intervals; the side of the inner slide rod 42 is provided with a plurality of second side columns 421 distributed at intervals, and the second side columns 421 pass through the slide holes 411 one by one; it can be understood that the outer slide rod 41 and the inner slide rod 42 are coaxially arranged, and the first side column 412, the second side column 421 and the clamp plate 21 are arranged one by one.

[0064] The outer slide rod 41 is inserted into the first through hole 2111 and the second through hole 2121, and the first side column 412 abuts against the first side plate 211 one by one, and the second side column 421 abuts against the second side plate 212 one by one.

[0065] Specifically, the inner slide rod 42 moves towards a first direction, the outer slide rod 41 moves towards a second direction opposite to the first direction, and the distance between the first side column 412 and the second side column 421 increases, so that the first side column 412 can spread the first side plate 211, and the second side column 421 can spread the second side plate 212, and then the clamp plate 21 will drive the first heating plate 221 and the second heating plate 222 to open.

[0066] The inner slide rod 42 moves towards the second direction, the outer slide rod 41 moves towards the first direction, the distance between the first side post 412 and the second side post 421 decreases, so that the first side post 412 will release the restriction on the first side plate 211, and the second side post 421 will release the restriction on the second side plate 212, the elastic plate 213 can drive the first side plate 211 and the second side plate 212 to be in a clamping state, and then the clamp plate 21 clamps the soft package battery 100 through the first heating plate 221 and the second heating plate 222. In this embodiment, the opening and closing action of multiple clamp plates 21 can be controlled at the same time by the opening and closing assembly 4, and the structure of the opening and closing assembly 4 is compact and occupies small space.

[0067] In an embodiment, the opening and closing assembly 4 further comprises a first driving member (not shown in the figure) and a second driving member (not shown in the figure); the first driving member is connected to the outer slide rod 41 and is used to drive the outer slide rod 41 to move; the second driving member is connected to the inner slide rod 42 and is used to drive the inner slide rod 42 to move. It can be understood that the first driving member and the second driving member include but are not limited to pneumatic cylinders, hydraulic cylinders, linear motors and screw nut mechanisms, etc.; the first driving member can drive the outer slide rod 41 to move towards the first direction and the second direction; the second driving member can drive the inner slide rod 42 to move towards the first direction and the second direction. In this embodiment, the design of the first driving member and the second driving member improves the automation degree of the soft package battery carrier.

[0068] In an embodiment, as shown in Figure 6 and Figure 7 The battery jig 3 further comprises a locking member 36 mounted on the jig seat 34, and the flap 35 is provided with a locking hook 351 matched with the locking member 36.

[0069] When the locking member 36 and the locking hook 351 are locked with each other, the flap 35 is used to press the soft package battery 100 tightly on the jig seat 34; it can be understood that the flap 35 is rotated until the locking hook 351 is locked with the locking member 36, so that the flap 35 can lock the soft package battery 100 on the jig seat 34, and the liquid injection hole 101 of the soft package battery 100 is communicated with the liquid outlet interface 342, and the positive electrode lug 102 and the negative electrode lug 103 of the soft package battery 100 are respectively electrically connected with the positive electrode assembly 31 and the negative electrode assembly 32.

[0070] When the locking hook 351 is disengaged from the locking member 36, the flap 35 is used to unlock the pouch battery 100 on the jig seat 34. It can be understood that by pulling the locking member 36, the locking hook 351 will be disengaged from the locking hook 351, and the flap 35 will be opened from the jig seat 34 under the action of the elastic force, so that the pouch battery 100 can be placed on the jig seat 34, or the pouch battery 100 can be taken off the jig seat 34. In this embodiment, the opening and closing operation of the battery jig 3 is simple.

[0071] In an embodiment, as shown in Figure 8 and Figure 9 The positive electrode assembly 31 includes a positive electrode block 311, and a positive electrode connector 312 and a positive electrode socket group 313 both mounted on the jig seat 34, the positive electrode socket group 313 includes a plurality of positive electrode holes spaced apart, the positive electrode block 311 is provided with a positive electrode pin 3111 inserted into the positive electrode hole; the positive electrode block 311 is electrically connected with the positive electrode block 311 through the positive electrode pin 3111 inserted into the positive electrode hole; the positive electrode block 311 is used to electrically connect the positive electrode lug 102 of the pouch battery 100; it can be understood that all the positive electrode holes are arranged in a linear direction on the jig seat 34, and the positive electrode connector 312 is electrically connected with all the positive electrode holes.

[0072] In this embodiment, the positive electrode pin 3111 of the positive electrode block 311 is inserted into different positive electrode holes, so that the positive electrode block 311 is installed at different positions of the jig seat 34, so that the positive electrode block 311 can be connected with the positive electrode lug 102 of the pouch battery 100 of different specifications, and further the battery jig 3 can clamp the pouch battery 100 of different specifications, further improving the applicability and versatility of the battery jig 3.

[0073] In an embodiment, as shown in Figure 8 and Figure 9 The negative electrode assembly 32 includes a negative electrode block 321, and a negative electrode connector 322 and a negative electrode socket group 323 both mounted on the jig seat 34, the negative electrode socket group 323 includes a plurality of negative electrode holes spaced apart, the negative electrode block 321 is provided with a negative electrode pin 3211 inserted into the negative electrode hole; the negative electrode block 321 is electrically connected with the negative electrode block 321 through the negative electrode pin 3211 inserted into the negative electrode hole; the negative electrode block 321 is used to electrically connect the negative electrode lug 103 of the pouch battery 100. It can be understood that all the negative electrode holes are arranged in a linear direction on the jig seat 34, and the negative electrode connector 322 is electrically connected with all the negative electrode holes.

[0074] In the embodiment, the negative pole pins 3211 of the negative pole blocks 321 are inserted into different negative pole holes, so that the negative pole blocks 321 are installed at different positions of the jig seat 34, thereby the negative pole blocks 321 can be connected with the negative pole tabs 103 of the soft package batteries 100 of different specifications, and then the battery jig 3 can clamp the soft package batteries 100 of different specifications, and the applicability and versatility of the battery jig 3 are further improved.

[0075] In an embodiment, as shown in Figures 6 to 8 Preferably, the liquid storage seat 343 and the support seat 344 are integrally formed.

[0076] Preferably, the horizontal plate 352 and the vertical plate 353 are integrally formed. Understandably, the vertical plate 353 can be clamped on the liquid storage seat 343, and the horizontal plate 352 can be clamped on the support seat 344. Further, the locking piece 36 is installed on the liquid storage seat 343, and the locking hook 351 is arranged on the vertical plate 353.

[0077] The vertical plate 353 is used to clamp the soft package battery 100 on the liquid storage seat 343, and make the liquid injection hole 101 of the soft package battery 100 connected with the liquid outlet interface 342. Understandably, after the locking hook 351 is locked with the locking piece 36, the vertical plate 353 presses the side edge of the soft package battery 100 on the liquid storage seat 343, and the liquid injection hole 101 of the soft package battery 100 is connected with the liquid outlet interface 342.

[0078] The horizontal plate 352 is used to clamp the positive pole tab 102 and the negative pole tab 103 of the soft package battery 100 on the support seat 344, and make the positive pole tab 102 and the negative pole tab 103 of the soft package battery 100 respectively adhere to the positive pole assembly 31 and the negative pole assembly 32. Understandably, after the locking hook 351 is locked with the locking piece 36, the horizontal plate 352 can clamp the positive pole tab 102 and the negative pole tab 103 of the soft package battery 100 on the support seat 344, and the positive pole tab 102 and the negative pole tab 103 of the soft package battery 100 respectively adhere to the positive pole block 311 and the negative pole block 321. In the embodiment, the soft package battery 100 can be stably clamped between the flap 35 and the jig seat 34.

[0079] In an embodiment, as shown in Figure 6 As shown in FIG. 7, the liquid storage seat 343 and the support seat 344 are provided with a containing space for containing the battery body of the soft-pack battery 100; the horizontal plate 352 is used for clamping the side pocket of the soft-pack battery 100 on the liquid storage seat 343; the positive electrode lug 102 and the negative electrode lug 103 of the soft-pack battery 100 are arranged on the battery body, and the liquid injection hole 101 of the soft-pack battery 100 is arranged on the side pocket. It can be understood that the positive electrode lug 102 and the negative electrode lug 103 are arranged at the front end of the battery body, and the side pocket is arranged at the side of the battery body. In this embodiment, the battery body is located in the containing space, the side pocket is clamped between the vertical plate 353 and the liquid storage seat 343, and the positive electrode lug 102 and the negative electrode lug 103 are clamped between the horizontal plate 352 and the support seat 344; the structure of the battery jig 3 is compact and occupies small space; further, the clamping assembly 2 is used for clamping the battery body.

[0080] In an embodiment, as shown in Figure 8 and Figure 10 As shown in FIGS. 9 and 10, the liquid injection valve 33 comprises a sealing ring 331, a spring (not shown in the figure), a valve seat 332 provided with a third through hole 3321, and a valve core 333 provided with a valve hole 3331, a side hole 3332 communicating with the valve hole 3331 is arranged on the side wall of the valve core 333, the sealing ring 331 and the spring are sleeved on the valve core 333, the valve core 333 is slidingly installed in the third through hole 3321, and opposite ends of the spring are connected with the valve seat 332 and the valve core 333, respectively; it can be understood that the spring is located in the third through hole 3321, the sealing ring 331 is located outside the through hole, and the outer diameter of the sealing ring 331 is greater than the inner diameter of the third through hole 3321.

[0081] The jig seat 34 is further provided with a mounting hole communicating with the liquid storage cavity 341, and the valve seat 332 is mounted in the mounting hole;

[0082] When the valve core 333 slides in the third through hole 3321 to abut the sealing ring 331 against the valve seat 332, the side hole 3332 does not communicate with the liquid storage cavity 341; specifically, the rebounding force of the spring drives the valve core 333 to move towards the outside until the sealing ring 331 abuts against the bottom of the valve seat 332, the side hole 3332 is located inside the third through hole 3321, and since the sealing ring 331 blocks the third through hole 3321, the side hole 3332 does not communicate with the liquid storage cavity 341, that is, the liquid storage cavity 341 does not communicate with the external environment.

[0083] When the valve core 333 slides in the third through hole 3321 to the sealing sleeve 331 away from the valve seat 332, the valve hole 3331 communicates the liquid storage cavity 341 through the side hole 3332. Specifically, when the external connector is connected with the liquid injection valve 33, the external connector will drive the valve core 333 to move in the third through hole 3321, and the sealing sleeve 331 is away from the valve seat 332. At this time, the valve hole 3331 communicates the liquid storage cavity 341 through the side hole 3332, so that the external liquid injection device can input the electrolyte into the liquid storage cavity 341 through the liquid injection valve 33. In the embodiment, the structure of the liquid injection valve 33 is simple, and the manufacturing cost is low.

[0084] In an embodiment, the soft package battery carrier further comprises a vacuum interface (not shown in the figure) mounted on the box 1, and the vacuum interface communicates all the containing holes 11. It can be understood that the external vacuum pump can communicate all the containing holes 11 through the vacuum interface, so that the external vacuum pump can extract the containing holes 11 into a positive pressure state or a negative pressure state through the vacuum interface. For example, when the soft package battery 100 is in a resting state, the containing holes 11 are extracted into a positive pressure or a negative pressure state, so as to complete the positive pressure resting and the negative pressure resting of the soft package battery 100.

[0085] In an embodiment, as shown in Figure 1 and Figure 6 The battery jig 3 comprises a sealing ring 37 sleeved on the jig seat 34, and the sealing ring 37 is used for sealing the outlet of the containing hole 11. It can be understood that when the battery jig 3 is mounted in the containing hole 11, the sealing ring 37 abuts against the edge of the outlet of the containing hole 11, so that the sealing ring 37 ensures the sealing performance of the battery jig 3 mounted in the containing hole 11.

[0086] Further description, the soft package battery carrier provided by an embodiment of the present application reduces the process complexity between the battery self-baking, liquid injection, resting and formation, and saves the auxiliary mechanism and transfer time between processes. The design of the heating member 22, the formed electrode (the positive electrode assembly 31 and the negative electrode assembly 32), the liquid storage cavity 341, the liquid injection valve 33, the containing hole 11 and the like of the soft package battery carrier makes it unnecessary to take out the soft package from the battery jig 3 to complete all the above processes; thereby improving the equipment efficiency and reducing the cost of the factory building and equipment.

[0087] As shown in Figure 12 Another embodiment of the present application further provides a battery manufacturing method applied to the above-mentioned soft package battery carrier, which comprises the following steps:

[0088] S100, the turning plate 35 clamps the soft pack battery on the jig seat 34, and the liquid injection hole 101 of the soft pack battery 100 is communicated with the liquid outlet interface 342, and the positive and negative electrode tabs 102 and 103 of the soft pack battery 100 are electrically connected with the positive and negative electrode assemblies 31 and 32 respectively; specifically, the turning plate 35 is rotated until the lock hook 351 is locked with the lock piece 36, so that the clamp plate 21 can lock the soft pack battery 100 on the jig seat 34.

[0089] S200, the battery jig 3 is installed in the accommodating hole 11, and the clamp plate 21 clamps the opposite sides of the soft pack battery 100; specifically, the opening and closing assembly 4 opens the clamp plate 21, and then the battery jig 3 is installed in the accommodating hole 11, the clamp plate 21 is loosened by the clamp assembly, and the clamp plate 21 clamps the soft pack battery 100 by the first and second heating plates 221 and 222.

[0090] S300, the inner cavity of the soft pack battery 100 is vacuumized by the liquid injection valve 33, and the soft pack battery 100 is heated by the heating piece 22; it can be understood that the inner cavity of the soft pack battery 100 and the liquid storage cavity 341 are extracted into a vacuum state, and the soft pack battery 100 is heated, so that the moisture in the liquid storage cavity 341 and the soft pack battery 100 can be removed, thereby completing the baking process of the soft pack battery 100.

[0091] S400, after the soft pack battery 100 is cooled in the accommodating hole 11 for a first preset time, electrolyte is injected into the liquid storage cavity 341 and the inner cavity of the soft pack battery 100 through the liquid injection valve 33; it can be understood that the first preset time can be set according to actual needs; after the baking of the soft pack battery 100 is completed, the vacuumization of the liquid storage cavity 341 is stopped, and the heating of the soft pack battery 100 is stopped; then, the cooling process is performed on the soft pack battery 100, and after the cooling of the soft pack battery 100 is completed, the liquid injection process is performed on the soft pack battery 100; during the liquid injection process of the soft pack battery 100, the external liquid injection pump can inject electrolyte into the liquid storage cavity 341 through the liquid injection valve 33, and the electrolyte in the liquid storage cavity 341 can flow into the inner cavity of the soft pack battery 100 through the liquid outlet interface 342. Further, in order to accelerate the absorption of electrolyte by the soft pack battery 100, the heating piece 22 can heat the soft pack battery 100. Further, after the liquid injection of the soft pack battery 100 is completed, the liquid storage cavity 341 still has electrolyte, so that the electrolyte in the liquid storage cavity 341 can flow into the soft pack battery 100 to supplement the electrolyte of the soft pack battery 100 during the subsequent storage and formation processes, so that the soft pack battery 100 has sufficient electrolyte, and the performance of the soft pack battery 100 is guaranteed.

[0092] S500, after the soft package battery 100 in the accommodating hole 11 is heated by the heating piece 22 for a second preset time, the soft package battery 100 is subjected to charging and discharging through the positive electrode assembly 31 and the negative electrode assembly 32; it can be understood that the second preset time can be set according to actual needs; when the soft package battery 100 is in the standby stage, the soft package battery 100 is heated by the heating piece 22 for a second preset time; after the soft package battery 100 is completed, the soft package battery 100 is subjected to charging and discharging, thereby completing the formation process of the soft package battery 100.

[0093] S600, after the soft package battery 100 is completed in the accommodating hole 11, the battery fixture 3 and the soft package battery 100 are taken out from the accommodating hole 11. It can be understood that after the formation of the soft package battery 100 is completed, the charging and discharging of the soft package battery 100 is stopped; the opening clamp assembly 4 controls the clamping plate 21 to be in an open state, and the battery fixture 3 and the soft package battery 100 are taken out from the accommodating hole 11. Further, after step S600, the turning plate 35 is opened from the fixture seat 34, and the soft package battery 100 is taken out from the fixture seat 34.

[0094] In the present application, the soft package battery carrier can realize the steps of baking, cooling, liquid injection, standby, formation and the like of the soft package battery 100, and improves the applicability and universality of the soft package battery carrier.

[0095] The above-described embodiments are only used to illustrate the technical solutions of the present application, but not limit it; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A soft-pack battery carrier, characterized by, The soft package battery carrier comprises a box, a plurality of clamping assemblies and a plurality of battery jigs. The battery jig comprises a positive electrode assembly, a negative electrode assembly, a liquid injection valve, a jig seat and a flap, the jig seat is provided with a liquid storage cavity and a liquid outlet interface communicating with the liquid storage cavity, the positive electrode assembly, the negative electrode assembly and the liquid injection valve are all mounted on the jig seat, the liquid injection valve communicates with the liquid storage cavity, the flap is rotationally mounted on the jig seat and is used for clamping the soft package battery on the jig seat, the positive electrode assembly and the negative electrode assembly are respectively used for electrically connecting the positive electrode lug and the negative electrode lug of the soft package battery, and the liquid outlet interface is used for communicating with the liquid injection hole of the soft package battery. The clamping assembly comprises a clamping plate and a heating piece mounted on the clamping plate, and the clamping assembly is one-to-one correspondingly mounted in the accommodating hole. The battery jig is one-to-one correspondingly detachably mounted in the accommodating hole, the clamping plate is used for clamping the soft package battery, and the heating piece is used for heating the soft package battery. The clamping plate comprises a first side plate, a second side plate and an elastic plate connected between the first side plate and the second side plate. The heating piece comprises a first heating plate rotationally connected with the first side plate and a second heating plate rotationally connected with the second side plate, and a clamping space for clamping the soft package battery is arranged between the first heating plate and the second heating plate. The jig seat comprises a liquid storage seat and a support seat connected with the liquid storage seat, the liquid storage cavity and the liquid outlet interface are both arranged on the liquid storage seat, and the liquid injection valve, the positive electrode assembly and the negative electrode assembly are all mounted on the support seat. The flap comprises a horizontal plate and a vertical plate connected with the horizontal plate, and the horizontal plate is rotationally mounted on the support seat. The vertical plate is used for clamping the soft package battery on the liquid storage seat and making the liquid injection hole of the soft package battery butt joint with the liquid outlet interface. The horizontal plate is used for clamping the positive electrode lug and the negative electrode lug of the soft package battery on the support seat and making the positive electrode lug and the negative electrode lug of the soft package battery respectively abut against the positive electrode assembly and the negative electrode assembly.

2. The soft-pack battery carrier of claim 1, wherein, The first side plate is provided with a first through hole, and the second side plate is provided with a second through hole. The soft package battery carrier further comprises an opening and clamping assembly mounted on the box, the opening and clamping assembly comprises an outer sliding rod provided with an inner hole and an inner sliding rod slidingly mounted in the inner hole, a plurality of sliding holes and a plurality of first side columns are arranged on the side wall of the outer sliding rod in a spaced manner, a plurality of second side columns are arranged on the side of the inner sliding rod in a spaced manner, and the second side columns pass through the sliding holes one by one. The outer sliding rod is inserted into the first through hole and the second through hole, the first side columns abut against the first side plate one by one, and the second side columns abut against the second side plate one by one. 3.The soft-pack battery carrier of claim 2, wherein, The opening and clamping assembly further comprises a first driving piece and a second driving piece, the first driving piece is connected with the outer sliding rod and is used for driving the outer sliding rod to move, and the second driving piece is connected with the inner sliding rod and is used for driving the inner sliding rod to move. 4.The soft-pack battery carrier of claim 1, wherein, The battery jig further comprises a locking piece mounted on the jig seat, and the flap is provided with a locking hook matched with the locking piece. The turning plate is used for pressing the soft package battery on the jig seat when the locking piece and the locking hook are locked with each other; The turning plate is used for unlocking the soft package battery on the jig seat when the locking hook and the locking piece are unlocked. 5.The soft-pack battery carrier of claim 1, wherein, The positive electrode assembly comprises a positive electrode block, a positive electrode connector and a positive electrode socket group, the positive electrode socket group comprises a plurality of positive electrode holes distributed at intervals, the positive electrode block is provided with a positive electrode pin inserted into the positive electrode hole; the positive electrode block is electrically connected with the positive electrode block through the positive electrode pin inserted into the positive electrode hole; the positive electrode block is used for electrically connecting the positive electrode lug of the soft package battery; The negative electrode assembly comprises a negative electrode block, a negative electrode connector and a negative electrode socket group, the negative electrode socket group comprises a plurality of negative electrode holes distributed at intervals, the negative electrode block is provided with a negative electrode pin inserted into the negative electrode hole; the negative electrode block is electrically connected with the negative electrode block through the negative electrode pin inserted into the negative electrode hole; the negative electrode block is used for electrically connecting the negative electrode lug of the soft package battery. 6.The soft-pack battery carrier of claim 1, wherein, The soft package battery carrier further comprises a vacuum interface installed on the box body, and the vacuum interface is communicated with all the containing holes.

7. The soft-pack battery carrier of claim 1, wherein, The battery jig comprises a sealing ring sleeved on the jig seat, and the sealing ring is used for sealing the outlet of the containing hole.

8. A battery manufacturing method applied to the soft-pack battery carrier according to any one of claims 1 to 7, characterized by, Comprise: The turning plate clamps the soft plate battery on the jig seat, and the liquid injection hole of the soft package battery is communicated with the liquid outlet interface, and the positive electrode lug and the negative electrode lug of the soft package battery are respectively electrically connected with the positive electrode assembly and the negative electrode assembly; The battery jig is installed in the containing hole, and the clamping plate clamps the opposite sides of the soft package battery; The inner cavity of the soft package battery is vacuumized through the liquid injection valve, and the soft package battery is heated through the heating piece; After the soft package battery is cooled in the containing hole for a first preset time, electrolyte is injected into the storage cavity and the inner cavity of the soft package battery through the liquid injection valve; After the soft package battery in the containing hole is heated for a second preset time through the heating piece, the soft package battery is charged and discharged through the positive electrode assembly and the negative electrode assembly; After the soft package battery is charged and discharged in the containing hole, the battery jig and the soft package battery are taken out from the containing hole.

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