Battery liquid preparation assembly device

Abstract

The application relates to the technical field of battery manufacturing equipment, in particular to a battery liquid preparation and assembling equipment. A liquid preparation mechanism head is used for injecting electrolyte into a liquid storage container; a liquid injection mechanism is used for extracting electrolyte in the liquid storage container into a liquid storage tank and injecting electrolyte in the liquid storage tank into a battery shell; a positive electrode entering mechanism drives the positive electrode cap to rotate to a horizontal state and enter the battery shell; and a sealing mechanism is used for driving the upper part of the battery shell to bend inward and wrap around the positive electrode cap. In the application, the battery liquid preparation and assembling equipment can realize on-site electrolyte preparation work, improves the applicability and universality of the battery liquid preparation and assembling equipment, and is convenient for adjusting electrolyte; in addition, the battery liquid preparation and assembling equipment can realize assembling and edge covering actions between the positive electrode cap and the battery shell, and has high automation degree.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of battery manufacturing equipment, and in particular to a battery liquid preparation and assembly device. BACKGROUND

[0002] With the wide application of batteries, the requirements for the performance of the batteries are also increasing. The electrolyte is an important component of the battery, which plays a role in transferring electric charges between the positive and negative electrodes. The excellent performance of the electrolyte affects its chemical stability, electrochemical window, and electrical conductivity. In the prior art, the battery manufacturing equipment usually injects the prepared electrode liquid into the battery, and cannot adjust the chemical composition of the electrolyte in real time on site. In addition, the battery manufacturing equipment in the prior art also has the technical problems of low automation degree. SUMMARY

[0003] The battery liquid preparation and assembly device provided by the embodiment of the present application solves the technical problem that the battery manufacturing equipment in the prior art cannot adjust the electrolyte composition on site.

[0004] The battery liquid preparation and assembly device provided by the embodiment of the present application comprises a liquid preparation mechanism, a liquid injection mechanism, a positive electrode insertion mechanism, and a sealing mechanism.

[0005] The liquid preparation mechanism comprises a shaking driving member, a liquid preparation support frame, and a plurality of liquid preparation needle heads which are installed on the liquid preparation support frame at intervals. The liquid preparation support frame is installed on the shaking driving member. The liquid preparation needle heads are used to inject electrolyte into a liquid storage container.

[0006] The liquid injection mechanism comprises a moving part, a liquid storage tank, and a liquid injection pump which is installed on the liquid storage tank. The liquid storage tank is installed on the moving part. The liquid injection pump is used to extract the electrolyte in the liquid storage container into the liquid storage tank, and to inject the electrolyte in the liquid storage tank into a battery shell. The battery shell is connected with a vertical positive electrode cap.

[0007] The positive electrode insertion mechanism comprises a clamping assembly and a pressing assembly. The clamping assembly is used to clamp the battery shell. The pressing assembly comprises a pressing lifting driving member and a pressing head which is installed on the output end of the pressing lifting driving member. The pressing lifting driving member is used to drive the pressing head to move. The pressing head drives the positive electrode cap to rotate to a horizontal state and enters the battery shell.

[0008] The sealing mechanism comprises a sealing lifting driving element, a lower mold assembly and an upper mold assembly provided with a mold groove; the output end of the sealing lifting driving element is connected with the upper mold assembly; the lower mold assembly comprises a first lower half mold assembly and a second lower half mold assembly for clamping the battery shell; the sealing lifting driving element is used for driving the upper mold assembly to move downward, the upper mold assembly is covered on the first lower half mold assembly, the second lower half mold assembly and the battery shell through the mold groove, and the upper mold assembly drives the upper part of the battery shell to bend inward and wrap around the positive electrode cap.

[0009] Optionally, the entering positive electrode mechanism further comprises a flattening assembly and a limiting assembly;

[0010] The flattening assembly comprises a flattening driving element, a flattening seat, a first elastic element and a push rod slidingly installed on the flattening seat; the flattening seat is installed on the output end of the flattening driving element, and the first elastic element is installed on the push rod and abuts against the flattening seat;

[0011] The limiting assembly comprises a limiting driving element and a limiting seat provided with a side groove matched with the battery shell; the limiting seat is installed on the output end of the limiting driving element;

[0012] The flattening driving element is used for driving the flattening seat to move towards one end close to the limiting assembly, and the push rod drives the positive electrode cap to rotate to a horizontal state; the limiting driving element is used for driving the limiting seat to move towards one end close to the flattening assembly until the inner wall of the side groove abuts against the battery shell, and the limiting seat drives the battery shell to rotate to a vertical state;

[0013] The pressing lifting driving element is used for driving the pressing head to move, and the pressing head drives the positive electrode cap to rotate to a horizontal state and enter the battery shell.

[0014] Optionally, the limiting assembly further comprises a sliding plate and a second elastic element; the sliding plate is slidingly installed on the limiting seat and extends into the side groove, and the second elastic element is installed on the sliding plate and abuts against the limiting seat;

[0015] When the limiting seat moves to the inner wall of the side groove abutting against the battery shell, the battery shell drives the sliding plate to move and compresses the second elastic element, and the positive electrode cap drives the push rod to move towards one end away from the limiting assembly.

[0016] Optionally, the sealing mechanism comprises a sealing seat, the upper die assembly comprises an upper plate, a first wedge, a second wedge and an upper die provided with the die groove, the upper plate is slidingly installed on the sealing seat along a first direction, and the sealing lifting driving element is installed on the sealing seat and connected to the upper plate; the upper die, the first wedge and the second wedge are all installed on the upper plate;

[0017] The first lower half die assembly comprises a first lower plate, a first butt joint and a first lower half die provided with a first half die groove, the first lower half die is slidingly installed on the sealing seat along a second direction, and the first lower half die is installed on the first lower plate and protrudes towards the upper die; the first direction is perpendicular to the second direction;

[0018] The second lower half die assembly comprises a second lower plate, a second butt joint and a second lower half die provided with a second half die groove, the second lower half die is slidingly installed on the sealing seat along a second direction, and the second lower half die is installed on the second lower plate and protrudes towards the upper die;

[0019] The sealing lifting driving element is used to drive the upper plate to move along the first direction, the first wedge is used to drive the first lower plate to move along the second direction through the first butt joint, the second wedge is used to drive the second lower plate to move along the second direction through the second butt joint, the first lower half die and the second lower half die enclose and clamp the battery shell in the first half die groove and the second half die groove, the upper die is covered on the first lower half die assembly, the second lower half die assembly and the battery shell through the die groove, and the upper die drives the upper part of the battery shell to bend inwards and wrap around the positive electrode cap.

[0020] Optionally, the sealing mechanism further comprises a support guide block and a first guide rail installed on the sealing seat, the support guide block is provided with a first guide groove matched with the first guide rail, and the support guide block is slidingly installed on the first guide rail along a third direction through the first guide groove; wherein the first direction, the second direction and the third direction are perpendicular to each other;

[0021] The support guide block is provided with a storage groove for storing the battery shell.

[0022] Optionally, the liquid injection mechanism further comprises a storage seat, the storage seat is provided with a plurality of storage holes distributed at intervals, each of the storage holes is used to store an injection pipe, and the injection pipe is detachably connected to the liquid injection pump.

[0023] Optionally, the battery liquid preparation and assembly device further comprises a shaking mechanism; the shaking mechanism comprises a shaking base, a shaking driving assembly, and a shaking support plate slidably mounted on the shaking base, the shaking support plate is used for supporting a jig with the liquid storage container mounted thereon; the shaking driving assembly is used for driving the shaking support plate to reciprocally move on the shaking base so as to shake the electrolyte in the liquid storage container.

[0024] The liquid preparation mechanism injects the electrolyte into the liquid storage container, and after the shaking mechanism shakes the electrolyte in the liquid storage container, the liquid injection mechanism extracts the electrolyte in the liquid storage container into the liquid storage tank.

[0025] Optionally, the shaking driving assembly comprises a shaking driving member, a support block, a third elastic member, and a push plate; the push plate is provided with a slide rod, the support block is provided with a slide hole, the slide rod is slidably inserted into the slide hole, and the third elastic member is sleeved on the slide rod and abuts against the support block.

[0026] The support block is mounted on the output end of the shaking driving member, and the push plate is connected to the shaking support plate.

[0027] Optionally, the liquid storage container comprises a container body and a container cover detachably mounted on the container body; the battery liquid preparation and assembly device further comprises a screwing mechanism oppositely arranged with the liquid preparation mechanism and / or the liquid injection mechanism.

[0028] The screwing mechanism comprises a movement driving module, a rotating driving member, and a clamping component for clamping the container cover, the rotating driving member is mounted on the movement driving module, and the clamping component is mounted on the output end of the rotating driving member; the clamping component is used for covering the container cover on the container body and for opening the container cover from the container body.

[0029] Optionally, the battery liquid preparation and assembly device further comprises a testing mechanism, the testing mechanism comprises a first testing base, a second testing base, a testing lifting driving member, and a testing support base.

[0030] The first testing base is provided with a plurality of first containing holes distributed at intervals, and each of the first containing holes is provided with a first conductive electrode, the first conductive electrode is used for electrically connecting a first electrode of the battery shell.

[0031] The second testing base is provided with a plurality of second containing holes distributed at intervals, and each of the second containing holes is provided with a second conductive electrode, the second conductive electrode is used for electrically connecting a second electrode of the battery shell.

[0032] The first test seat is fixedly installed on the test support seat, the second test seat is slidingly installed on the test support seat, and the test lifting driving member is installed on the test support seat and connected to the second test seat.

[0033] The test lifting driving member is used to drive the second test seat to move towards or away from the first test seat.

[0034] In the present application, the liquid preparation mechanism can prepare electrolyte with different concentrations and different raw materials according to actual needs, and inject the prepared electrolyte into the liquid storage container; the liquid injection mechanism can inject the prepared electrolyte into the battery shell; the positive electrode entering mechanism can rotate the positive electrode cap to a horizontal state and enter the battery shell; and the sealing mechanism can bend the bottom of the battery shell inward and wrap around the positive electrode cap. The battery liquid preparation and assembly equipment can realize on-site electrolyte preparation, improve the applicability and versatility of the battery liquid preparation and assembly equipment, and facilitate adjustment of the electrolyte. In addition, the battery liquid preparation and assembly equipment can realize the assembly and edge wrapping action between the positive electrode cap and the battery shell, ensuring the sealing of the positive electrode cap on the battery shell. Furthermore, the battery liquid preparation and assembly equipment has high automation and high work efficiency. 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 also be obtained by those skilled in the art without creative labor.

[0036] Figure 1 is a structural schematic diagram of the battery liquid preparation and assembly equipment provided by an embodiment of the present application;

[0037] Figure 2 is a structural schematic diagram of the liquid preparation mechanism provided by an embodiment of the present application;

[0038] Figure 3 is a structural schematic diagram of the liquid injection mechanism provided by an embodiment of the present application;

[0039] Figure 4 is a structural schematic diagram of the positive electrode entering mechanism provided by an embodiment of the present application;

[0040] Figure 5 is a structural schematic diagram of the sealing mechanism provided by an embodiment of the present application;

[0041] Figure 6 is a structural schematic diagram of the upper die assembly of the sealing mechanism provided by an embodiment of the present application;

[0042] Figure 7 is another perspective view of the upper die assembly of the sealing mechanism according to an embodiment of the present application;

[0043] Figure 8 is a perspective view of the first and second lower half die assemblies of the sealing mechanism according to an embodiment of the present application;

[0044] Figure 9 is a perspective view of the shaking mechanism according to an embodiment of the present application;

[0045] Figure 10 is a perspective view of the screwing mechanism according to an embodiment of the present application;

[0046] Figure 11 is a perspective view of the testing mechanism according to an embodiment of the present application;

[0047] Figure 12 is a perspective view of the assembly process of the battery shell and the positive cap according to an embodiment of the present application.

[0048] The reference signs in the specification are as follows:

[0049] 1, liquid preparation mechanism; 11, shaking driving member; 12, liquid preparation support frame; 13, liquid preparation needle;

[0050] 2, liquid injection mechanism; 21, moving member; 22, liquid storage tank; 23, liquid injection pump; 24, storage seat; 241, storage hole; 25, liquid injection pipe;

[0051] 3, positive electrode insertion mechanism; 31, clamping assembly; 32, pressing assembly; 321, pressing lifting driving member; 322, pressing head; 33, pushing assembly; 331, pushing driving member; 332, pushing seat; 333, pushing rod; 34, limiting assembly; 341, limiting driving member; 342, limiting seat; 3421, side recess; 343, sliding plate;

[0052] 4, sealing mechanism; 41, sealing lifting driving member; 42, first lower half die assembly; 421, first lower plate; 422, first butt joint member; 423, first lower half die; 4231, first half die recess; 43, second lower half die assembly; 431, second lower plate; 432, second butt joint member; 433, second lower half die; 4331, second half die recess; 44, upper die assembly; 441, die recess; 442, upper plate; 443, first wedge block; 444, second wedge block; 445, upper die; 45, sealing seat; 46, support guide block; 461, storage groove; 47, first guide rail;

[0053] 5, shaking mechanism; 51, shaking seat; 52, shaking driving assembly; 521, shaking driving piece; 522, support block; 523, third elastic piece; 524, push plate; 53, shaking support plate; 54, jig;

[0054] 6, screwing mechanism; 61, moving driving module; 62, rotating driving piece; 63, clamping component;

[0055] 7, testing mechanism; 71, first testing seat; 72, second testing seat; 721, second containing hole; 73, testing support seat;

[0056] 100, liquid storage container; 201, battery shell; 202, positive cap. DETAILED DESCRIPTION

[0057] In order to make the technical problems solved by the present application, technical solutions and beneficial effects more clearly, the present application is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0058] As shown in the drawings, Figure 1 An embodiment of the battery liquid preparation assembly device provided by the present application comprises a liquid preparation mechanism 1, a liquid injection mechanism 2, a positive cap insertion mechanism 3 and a sealing mechanism 4.

[0059] As shown in the drawings, Figure 2 The liquid preparation mechanism 1 comprises a shaking driving piece 11, a liquid preparation support frame 12 and a plurality of liquid preparation needles 13 which are installed on the liquid preparation support frame 12 at intervals, the liquid preparation support frame 12 is installed on the shaking driving piece 11, and the liquid preparation needles 13 are used to inject electrolyte into the liquid storage container 100.

[0060] As shown in the drawings, Figure 3 The liquid injection mechanism 2 comprises a moving component 21, a liquid storage tank 22 and a liquid injection pump 23 which is installed on the liquid storage tank 22, the liquid storage tank 22 is installed on the moving component 21; the liquid injection pump 23 is used to extract the electrolyte in the liquid storage container 100 into the liquid storage tank 22, and is used to inject the electrolyte in the liquid storage tank 22 into the battery shell 201; wherein the battery shell 201 is connected with a vertical positive cap 202.

[0061] As shown in the drawings, Figure 4 The positive cap insertion mechanism 3 comprises a clamping assembly 31 and a pressing assembly 32; the clamping assembly 31 is used to clamp the battery shell 201, the pressing assembly 32 comprises a pressing lifting driving piece 321 and a pressing head 322 which is installed on the output end of the pressing lifting driving piece 321, the pressing lifting driving piece 321 is used to drive the pressing head 322 to move, and the pressing head 322 drives the positive cap 202 to rotate to a horizontal state and enters into the battery shell 201.

[0062] AsFigure 5 As shown, the sealing mechanism 4 includes a sealing lifting driving member 41, a first lower half mold assembly 42, a second lower half mold assembly 43, and an upper mold assembly 44 provided with a mold groove 441; the output end of the sealing lifting driving member 41 is connected to the upper mold assembly 44; the first lower half mold assembly 42 and the second lower half mold assembly 43 are used to clamp the battery shell 201; the sealing lifting driving member 41 is used to drive the upper mold assembly 44 to move downward, the upper mold assembly 44 is covered on the first lower half mold assembly 42, the second lower half mold assembly 43, and the battery shell 201 through the mold groove 441, and the upper mold assembly 44 drives the upper part of the battery shell 201 to bend inward and wrap around the four sides of the positive cap 202.

[0063] In the liquid preparation mechanism 1, the shaking driving member 11 includes but is not limited to a shaking cylinder, a shaking motor, etc., and can not only drive the liquid preparation support frame 12 to move up and down, but also drive the liquid preparation support frame 12 to shake at a high frequency; the number of the liquid preparation needles 13 can be set according to actual needs, each of the liquid preparation needles 13 is communicated with a plurality of liquid injection pumps 23, the liquid injection pumps 23 can extract electrolyte to the liquid preparation needles 13, and then the electrolyte is injected into the liquid storage container 100 by the liquid preparation needles 13; and the liquid injection pump 23 includes but is not limited to a peristaltic pump, etc. The shaking driving member 11 can drive the liquid preparation support frame 12 and the liquid preparation needles 13 to shake at a high frequency, so as to avoid the phenomenon of liquid hanging on the liquid preparation needles 13, and improve the liquid preparation precision and cleanliness of the liquid preparation mechanism 1.

[0064] In the liquid injection mechanism 2, the moving part 21 can be a mechanical arm or a moving module composed of a plurality of moving parts; the moving part 21 can drive the liquid storage tank 22 and the liquid injection pump 23 to move, so that the liquid injection pump 23 is connected with the liquid storage container 100 and the battery shell 201.

[0065] In the positive entering mechanism 3, the pressing lifting driving member 321 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder, a screw nut assembly, etc.; the clamping assembly 31 includes a clamping moving driving member and a clamping cylinder installed on the moving driving member, the clamping cylinder is used to clamp or release the battery shell 201, and the clamping moving part can move the clamping cylinder to below the pressing head 322 or away from the pressing head 322. The pressing lifting driving member 321 drives the pressing head 322 to descend, and the pressing head 322 can drive the positive cap 202 in a vertical state to rotate to a horizontal state and enter into the battery shell 201.

[0066] In the sealing mechanism 4, the sealing lifting driving member 41 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder, a screw nut assembly, etc.; the upper mold assembly 44 is located above the first lower half mold assembly 42 and the second lower half mold assembly 43; the opening of the mold groove 441 faces downward. After the battery shell 201 moves to between the first lower half mold assembly 42 and the second lower half mold assembly 43, the first lower half mold assembly 42 and the second lower half mold assembly 43 are combined to clamp the battery shell 201; the sealing lifting driving member 41 drives the upper mold assembly 44 to descend until the upper mold assembly 44 is sleeved on the first lower half mold assembly 42 and the second lower half mold assembly 43 through the mold groove 441, and since the wall thickness of the upper part of the battery shell 201 is smaller than that of the lower part, the upper part of the battery shell 201 will be bent inward and wrapped around the positive cap 202 as the downward pressure of the upper mold assembly 44 increases, so that the positive cap 202 is sealingly connected to the battery shell 201.

[0067] In the present application, the liquid preparation mechanism 1 can prepare electrolyte with different concentrations and different raw materials according to actual needs, and inject the prepared electrolyte into the liquid storage container 100; the liquid injection mechanism 2 can inject the prepared electrolyte into the battery shell 201; the positive electrode entering mechanism 3 can rotate the positive cap 202 to a horizontal state and enter the battery shell 201; and the sealing mechanism 4 can bend the bottom of the battery shell 201 inward and wrap it around the positive cap 202. The battery liquid preparation and assembly equipment can realize the preparation of electrolyte on site, improve the applicability and versatility of the battery liquid preparation and assembly equipment, and facilitate the adjustment of the electrolyte. In addition, the battery liquid preparation and assembly equipment can realize the assembly and edge wrapping action between the positive cap 202 and the battery shell 201, ensuring the sealing of the positive cap 202 on the battery shell 201. Furthermore, the battery liquid preparation and assembly equipment has high automation degree and high work efficiency.

[0068] In an embodiment, as shown in Figure 4 The positive electrode entering mechanism 3 further includes a flattening assembly 33 and a limiting assembly 34.

[0069] The flattening assembly 33 includes a flattening driving member 331, a flattening seat 332, a first elastic member (not shown in the figure), and a push rod 333 slidingly installed on the flattening seat 332; the flattening seat 332 is installed on the output end of the flattening driving member 331, and the first elastic member is installed on the push rod 333 and abuts against the flattening seat 332;

[0070] The limiting assembly 34 includes a limiting driving member 341 and a limiting seat 342 provided with a side groove 3421, and the side groove 3421 is adapted to the battery shell 201; the limiting seat 342 is installed on the output end of the limiting driving member 341;

[0071] The pushing flat driving member 331 is used to drive the pushing flat seat 332 to move towards the end close to the limiting assembly 34, and the pushing rod 333 drives the positive cap 202 to rotate from the vertical state to the horizontal state; the limiting driving member 341 is used to drive the limiting seat 342 to move towards the end close to the pushing flat assembly 33, until the inner wall of the side recess 3421 abuts against the battery shell 201, and the limiting seat 342 drives the battery shell 201 to rotate to the vertical state;

[0072] The pressing lifting driving member 321 is used to drive the pressing head 322 to move, and the pressing head 322 drives the positive cap 202 to rotate to the horizontal state and enter the battery shell 201.

[0073] The pushing flat driving member 331 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder and a linear motor, etc.; the first elastic member includes but is not limited to a spring, etc., and the first elastic member can be sleeved on the pushing rod 333; the pushing flat seat 332 is provided with a first sliding hole, and one end of the pushing rod 333 is slidingly inserted into the first sliding hole. The side recess 3421 is a semicircular recess, and the limiting driving member 341 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder and a linear motor, etc.

[0074] Specifically, the clamping assembly 31 clamps the battery shell 201; the pushing flat driving member 331 drives the pushing flat seat 332 to move towards the end close to the limiting assembly 34, and the pushing rod 333 drives the positive cap 202 to rotate on the battery shell 201 from the vertical state to the horizontal state; the limiting driving member 341 drives the limiting seat 342 to move towards the end close to the pushing flat assembly 33, and the limiting seat 342 drives the positive cap 202 to rotate from the horizontal state to the vertical state until the inner wall of the side recess 3421 abuts against the battery shell 201; the pressing lifting driving member 321 drives the pressing head 322 to descend, and the pressing head 322 can drive the positive cap 202 in the vertical state to rotate to the horizontal state and enter the battery shell 201.

[0075] In the embodiment, the limiting seat 342 can realize accurate positioning with the battery shell 201 through the side recess 3421, so that the limiting seat 342 can drive the positive cap 202 to stand directly above the battery shell 201 (the axis of the battery shell 201 is perpendicular to the axis of the positive cap 202), which guarantees the stability and coaxiality of the pressing head 322 driving the positive cap 202 to cover on the battery shell 201, and avoids the misalignment between the positive cap 202 and the battery shell 201.

[0076] In an embodiment, as shown in Figure 4 the limiting assembly 34 further includes a sliding plate 343 and a second elastic member (not shown in the figure), the sliding plate 343 is slidingly installed on the limiting seat 342 and extends into the side recess 3421, and the second elastic member is installed on the sliding plate 343 and abuts against the limiting seat 342;

[0077] When the limiting seat 342 moves to the inner wall of the side recess 3421 abutting against the battery shell 201, the battery shell 201 drives the sliding plate 343 to move and compress the second elastic member, and the positive cap 202 drives the push rod 333 to move away from one end of the limiting assembly 34.

[0078] In the limiting seat 342, a sliding groove is arranged, and the sliding plate 343 is slidingly inserted into the sliding groove; the second elastic member includes but is not limited to a spring and the like.

[0079] Specifically, in the process of moving the limiting seat 342 towards the battery shell 201, the battery shell 201 drives the sliding plate 343 to move and compress the second elastic member, thereby avoiding the hard collision accident between the battery shell 201 and the limiting seat 342.

[0080] In an embodiment, as shown in Figures 5 to 8 The sealing mechanism 4 further includes a sealing seat 45, and the upper mold assembly 44 includes an upper plate 442, a first wedge block 443, a second wedge block 444, and an upper mold 445 provided with a mold groove 441; the upper plate 442 is slidingly installed on the sealing seat 45 in a first direction, and the sealing lifting driving member 41 is installed on the sealing seat 45 and connected to the upper plate 442; the upper mold 445, the first wedge block 443, and the second wedge block 444 are all installed on the upper plate 442.

[0081] The first lower half mold assembly 42 includes a first lower plate 421, a first butt joint 422, and a first lower half mold 423 provided with a first half mold groove 4231; the first lower half mold 423 is slidingly installed on the sealing seat 45 in a second direction, and the first lower half mold 423 is installed on the first lower plate 421 and protrudes towards the upper mold 445; the first direction is perpendicular to the second direction.

[0082] The second lower half mold assembly 43 includes a second lower plate 431, a second butt joint 432, and a second lower half mold 433 provided with a second half mold groove 4331; the second lower half mold 433 is slidingly installed on the sealing seat 45 in the second direction, and the second lower half mold 433 is installed on the second lower plate 431 and protrudes towards the upper mold 445.

[0083] The sealing lifting driving member 41 is used to drive the upper plate 442 to move in the first direction, the first wedge block 443 is used to drive the first lower plate 421 to move in the second direction through the first butt joint 422, the second wedge block 444 is used to drive the second lower plate 431 to move in the second direction through the second butt joint 432, the first lower half mold 423 and the second lower half mold 433 enclose and clamp the battery shell 201 in the first half mold groove 4231 and the second half mold groove 4331, and the upper mold 445 covers the first lower half mold assembly 42, the second lower half mold assembly 43, and the battery shell 201 through the mold groove 441, and the upper mold 445 drives the upper part of the battery shell 201 to bend inwards and wrap around the positive cap 202.

[0084] The first wedge block 443, the second wedge block 444 and the upper die 445 are all installed below the upper plate 442. The first abutting piece 422 is installed above the first lower plate 421, and the second abutting piece 432 is installed above the second lower plate 431. The first lower die is installed on the side of the first lower plate 421 facing the second lower plate 431, and the second lower die 433 is installed on the side of the second lower plate 431 facing the first lower plate 421.

[0085] Specifically, the sealing lifting driving member 41 drives the upper plate 442 to descend along a first direction. The first wedge block 443 on the upper plate 442 abuts against the first abutting piece 422 and drives the first lower plate 421 to move along a second direction. The second wedge block 444 on the upper plate 442 abuts against the second abutting piece 432 and drives the second lower plate 431 to move along the second direction. The first lower die half 423 and the second lower die half 433 are combined to clamp the battery shell 201 from opposite sides, and the battery shell 201 is positioned in the first die half groove 4231 and the second die half groove 4331. The upper plate 442 continues to descend, the upper die 445 is combined on the combined first lower die half 423 and the second lower die half 433, and the top of the battery shell 201 is inserted into the die groove 441. The downward pressing of the upper die assembly 44 causes the upper part of the battery shell 201 to bend inward and wrap around the positive cap 202.

[0086] In the embodiment, the upper die assembly 44 not only drives the first lower die assembly 42 and the second lower die assembly 43 to combine through the first wedge block 443 and the second wedge block 444, but also covers the first lower die assembly 42 and the second lower die assembly 43 to drive the upper part of the battery shell 201 to bend inward and wrap around the positive cap 202. The sealing mechanism 4 has simple structure, low manufacturing cost, high stability, and ensures the sealing quality of the battery.

[0087] In an embodiment, as shown in Figure 5 and Figure 8 The sealing mechanism 4 further includes a support guide block 46 and a first guide rail 47 installed on the sealing seat 45. The support guide block 46 is provided with a first guide groove adapted to the first guide rail 47, and the support guide block 46 is slidably installed on the first guide rail 47 through the first guide groove along a third direction. The first direction, the second direction and the third direction are perpendicular to each other.

[0088] The support guide block 46 is provided with a storage groove 461 for storing the battery shell 201.

[0089] The support guide block 46 is located below the first lower plate 421 and the second lower plate 431, the first guide rail 47 is fixedly installed on the sealing seat 45 along the third direction, and the support guide block 46 can store a plurality of battery shells 201 distributed along the third direction. Further, the storage groove 461 is provided with a magnetic attraction member for adsorbing the battery shell 201; the battery sealing mechanism 4 further comprises a moving driving member, the output end of the moving driving member is connected with the support guide block 46, and the moving driving member is used for driving the support guide block 46 to move along the third direction.

[0090] Specifically, when the first lower half mold 423 and the second lower half mold 433 are closed, the first lower half mold 423 and the second lower half mold 433 can clamp the battery shell 201 on the support guide block 46, and during the clamping process, the battery shell 201 can move along the second direction, thereby ensuring the position accuracy of the battery shell 201 during the closing process of the upper mold assembly 44 and the first lower half mold assembly 42 and the second lower half mold assembly 43.

[0091] In an embodiment, as shown in Figure 3 The liquid injection mechanism 2 further comprises a storage seat 24, the storage seat 24 is provided with a plurality of storage holes 241 distributed at intervals, each storage hole 241 is used for storing an injection pipe 25, and the injection pipe 25 is detachably connected with the liquid injection pump 23.

[0092] The storage seat 24 is arranged beside the moving part 21, the injection pipe 25 is a consumable, the liquid injection pump 23 can replace a new injection pipe 25 for different electrode liquids, and accidents of pollution between different electrolytes are avoided.

[0093] Specifically, the moving part 21 can drive the liquid storage tank 22 and the liquid injection pump 23 to move to the storage seat 24, so that the liquid injection pump 23 can place the old injection pipe 25 thereon into the storage hole 241 and replace a new injection pipe 25; the liquid injection pump 23 sucks the electrolyte in the liquid storage container 100 through the injection pipe 25, and injects the electrolyte in the liquid storage tank 22 into the battery shell 201 through the injection pipe 25.

[0094] In an embodiment, as shown in Figure 1 and Figure 9 The battery liquid preparation assembly equipment further comprises a shaking mechanism 5; the shaking mechanism 5 comprises a shaking seat 51, a shaking driving assembly 52 and a shaking support plate 53 slidably installed on the shaking seat 51, the shaking support plate 53 is used for supporting a jig 54 provided with the liquid storage container 100; the shaking driving assembly 52 is used for driving the shaking support plate 53 to reciprocate on the shaking seat 51 to shake the electrolyte in the liquid storage container 100;

[0095] The liquid preparation mechanism 1 injects electrolyte into the liquid storage container 100, the liquid shaking mechanism 5 shakes the electrolyte in the liquid storage container 100, and then the liquid injection mechanism 2 extracts the electrolyte in the liquid storage container 100 into the liquid storage tank 22.

[0096] The shaking driving assembly 52 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder, a linear motor, etc.; the shaking support plate 53 is slidingly installed on the shaking seat 51 through a guide rail sliding block assembly, a guide rod sliding sleeve assembly, etc.; and the jig 54 can store a plurality of liquid storage containers 100 at a time.

[0097] Specifically, after the liquid preparation mechanism 1 injects the prepared electrolyte into the liquid storage container 100, the liquid storage container 100 is placed on the jig 54, the jig 54 and the liquid storage container 100 are placed on the shaking support plate 53 together, and the shaking driving assembly 52 drives the shaking support plate 53 to reciprocate, so that the electrolyte in the liquid storage container 100 can be shaken; after the liquid shaking mechanism 5 shakes the electrolyte in the liquid storage container 100, the liquid injection mechanism 2 extracts the shaken electrolyte into the liquid storage tank 22, so as to ensure the quality of the electrolyte in the liquid storage tank 22, and further improve the quality of the electrolyte injected into the battery shell 201.

[0098] In an embodiment, as shown in Figure 9 The shaking driving assembly 52 includes a shaking driving piece 521, a support block 522, a third elastic piece 523, and a push plate 524; the push plate 524 is provided with a sliding rod, the support block 522 is provided with a sliding hole, the sliding rod is slidingly inserted into the sliding hole, and the third elastic piece 523 is sleeved on the sliding rod and abuts against the support block 522.

[0099] The support block 522 is installed at the output end of the shaking driving piece 521, and the push plate 524 is connected with the shaking support plate 53.

[0100] The shaking driving piece 521 includes but is not limited to a pneumatic cylinder, a hydraulic cylinder, a linear motor, etc.; and the third elastic piece 523 includes but is not limited to a spring, etc.

[0101] Specifically, in the process that the shaking driving piece 521 drives the support block 522 to reciprocate, the support block 522 drives the shaking support plate 53 to reciprocate through the push plate 524, the sliding rod on the push rod 333 is slidingly inserted into the sliding hole of the support block 522, so that the push plate 524 compresses the third elastic piece 523, and the flexible contact is formed between the support block 522 and the push plate 524, so as to avoid the shaking of the liquid storage container 100 during the shaking of the liquid shaking mechanism 5.

[0102] In an embodiment, as shown in Figure 1 and Figure 10As shown, the liquid storage container 100 comprises a container body and a container cover detachably mounted on the container body; the battery liquid preparation assembly device further comprises a screwing mechanism 6 arranged opposite to the liquid preparation mechanism 1 and / or the liquid injection mechanism 2;

[0103] The screwing mechanism 6 comprises a moving driving module 61, a rotating driving member 62 and a clamping component 63 for clamping the container cover, the rotating driving member 62 is mounted on the moving driving module 61, and the clamping component 63 is mounted on the output end of the rotating driving member 62; the clamping component 63 is used for covering the container cover on the container body and opening the container cover from the container body.

[0104] The container cover is detachably covered on the container body through a threaded structure; the moving driving module 61 can drive the rotating driving member 62 and the clamping component 63 to move in the first direction, the second direction and the third direction; the rotating driving member 62 comprises but is not limited to a motor and the like; the clamping component 63 comprises a clamping cylinder and a first clamping jaw and a second clamping jaw mounted on the clamping cylinder, and the clamping cylinder can drive the first clamping jaw and the second clamping jaw to close and open.

[0105] Specifically, the clamping component 63 clamps the container cover, the rotating driving member 62 can drive the clamping component 63 to rotate, so that the clamping component 63 can cover the container cover on the container body or take the container cover off the container body; the moving driving module 61 can drive the rotating driving member 62 and the clamping component 63 to move in the first direction, the second direction and the third direction, so that the screwing mechanism 6 can also transfer the liquid storage container 100 between the liquid preparation mechanism 1, the shaking mechanism 5 and the liquid injection mechanism 2.

[0106] After the liquid preparation mechanism 1 injects the prepared electrolyte into the container body, the screwing mechanism 6 covers the container cover on the container body; at the liquid injection station, the screwing mechanism 6 can take the container cover off the container body, so that the liquid injection pump 23 can extract the electrolyte in the container body into the liquid storage tank 22.

[0107] In the embodiment, the screwing mechanism 6 not only has the functions of screwing and opening the cover, but also has the function of transferring the liquid storage container 100, thereby improving the automation degree and processing efficiency of the battery liquid preparation assembly device.

[0108] In an embodiment, as shown in Figure 1 and Figure 11 The battery liquid preparation assembly device further comprises a testing mechanism 7, the testing mechanism 7 comprises a first testing seat 71, a second testing seat 72, a testing lifting driving member (not shown in the figure) and a testing support seat 73;

[0109] The first test seat 71 is provided with a plurality of first accommodating holes (not shown in the figure) distributed at intervals, and each first accommodating hole is provided with a first conductive electrode (not shown in the figure), which is used for electrically connecting the first electrode of the battery shell 201.

[0110] The second test seat 72 is provided with a plurality of second accommodating holes 721 distributed at intervals, and each second accommodating hole 721 is provided with a second conductive electrode (not shown in the figure), which is used for electrically connecting the second electrode of the battery shell 201.

[0111] The first test seat 71 is fixedly installed on the test support seat 73, the second test seat 72 is slidably installed on the test support seat 73, and the test lifting driving member is installed on the test support seat 73 and connected to the second test seat 72.

[0112] The test lifting driving member is used for driving the second test seat 72 to move towards or away from the first test seat 71.

[0113] The second test seat 72 can be slidably installed on the test support seat 73 through a guide rod and sleeve assembly, a guide rail and block assembly, etc.; the first conductive electrode and the second conductive electrode are electrically connected to the testing machine; the opening of the first accommodating hole faces upward, and the opening of the second accommodating hole 721 faces downward; the test lifting driving member includes but is not limited to a pneumatic cylinder, a hydraulic cylinder, and a screw nut assembly, etc.

[0114] Specifically, after the sealing mechanism 4 realizes the edge sealing between the positive cap 202 and the battery shell 201, the battery shell 201 is placed into the first accommodating hole, the test lifting driving member drives the second test seat 72 to approach the first test seat 71 until the second test seat 72 covers the first test seat 71, and the first electrode (negative electrode) of the battery shell 201 is electrically connected to the first conductive electrode, and the second electrode (positive electrode) of the positive cap 202 is electrically connected to the second conductive electrode, so that the testing mechanism 7 can realize the resistance, charging and discharging tests of the battery.

[0115] It should be noted that the battery liquid preparation and assembly equipment in the present application can also be provided with a mechanical arm, which can transfer the liquid storage container 100, the battery shell 201, etc. between various stations.

[0116] The working process of the battery liquid preparation and assembly equipment is as follows: the liquid preparation mechanism 1, the uniform shaking mechanism 5, the liquid injection mechanism 2, the positive electrode inserting mechanism 3, the sealing mechanism 4, and the testing mechanism 7.

[0117] The above-described embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement for part of the technical features; 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 battery liquid preparation and assembly equipment, characterized in that: It includes liquid dispensing mechanism, liquid injection mechanism, positive electrode insertion mechanism and sealing mechanism; The liquid dispensing mechanism includes a shaking driving member, a liquid dispensing support frame, and a plurality of liquid dispensing needles installed at intervals on the liquid dispensing support frame, wherein the liquid dispensing support frame is installed on the shaking driving member, and the liquid dispensing needles are used to inject electrolyte into the liquid storage container; The injection mechanism includes a moving part, a liquid storage tank, and an injection pump mounted on the liquid storage tank, wherein the liquid storage tank is mounted on the moving part; the injection pump is used to extract the electrolyte in the liquid storage container into the liquid storage tank, and to inject the electrolyte in the liquid storage tank into the battery shell; wherein the battery shell is connected to an upright positive electrode cap; The positive electrode insertion mechanism includes a clamping assembly and a pressing assembly; the clamping assembly is used to clamp the battery shell, and the pressing assembly includes a pressing lifting drive member and a pressing head installed at the output end of the pressing lifting drive member, and the pressing lifting drive member is used to drive the pressing head to move, and the pressing head drives the positive electrode cap to rotate to a horizontal state and enter the battery shell; The sealing mechanism includes a sealing lifting drive member, a first lower half mold assembly, a second lower half mold assembly, and an upper mold assembly provided with a mold groove; the output end of the sealing lifting drive member is connected to the upper mold assembly; the first lower half mold assembly and the second lower half mold assembly are used to clamp the battery shell; the sealing lifting drive member is used to drive the upper mold assembly to move downward, and the upper mold assembly is covered on the first lower half mold assembly, the second lower half mold assembly and the battery shell through the mold groove, and the upper mold assembly drives the upper part of the battery shell to bend inward and wrap around the positive electrode cap; The positive electrode insertion mechanism also includes a pushing component and a limiting component; The flattening assembly includes a flattening drive member, a flattening seat, a first elastic member, and a push rod slidably mounted on the flattening seat; the flattening seat is mounted on the output end of the flattening drive member, and the first elastic member is mounted on the push rod and abuts against the flattening seat; The limiting assembly includes a limiting driving member and a limiting seat with a side groove, wherein the side groove is adapted to the battery shell; the limiting seat is installed at the output end of the limiting driving member; The push-flattening drive member is used to drive the push-flattening seat to move toward one end close to the limit assembly, and the push rod drives the positive electrode cap to rotate from a vertical state to a horizontal state; the limit driving member is used to drive the limit seat to move toward one end close to the push-flattening assembly until the inner wall of the side groove abuts against the battery shell, and the limit seat drives the battery shell to rotate to a vertical state; The pressing-in lifting drive member is used to drive the pressing head to move, and the pressing head drives the positive electrode cap to rotate to a horizontal state and enter the battery shell.

2. The battery liquid preparation and assembly equipment according to claim 1, characterized in that: The limiting assembly further includes a slide plate and a second elastic member, wherein the slide plate is slidably mounted on the limiting seat and extends into the side groove, and the second elastic member is mounted on the slide plate and abuts against the limiting seat; When the limiting seat moves to the inner wall of the side groove and abuts against the battery shell, the battery shell drives the slide to move and compresses the second elastic member, and the positive electrode cap drives the push rod to move toward the end away from the limiting assembly.

3. The battery liquid preparation and assembly equipment according to claim 1, characterized in that: The sealing mechanism further includes a sealing seat; the upper mold assembly includes an upper plate, a first wedge, a second wedge, and an upper mold provided with the mold groove; the upper plate is slidably mounted on the sealing seat along a first direction; the sealing lifting drive member is mounted on the sealing seat and connected to the upper plate; the upper mold, the first wedge, and the second wedge are all mounted on the upper plate; The first lower mold half assembly includes a first lower plate, a first docking member, and a first lower mold half having a first mold half groove. The first lower mold half is slidably mounted on the sealing seat along a second direction. The first lower mold half is mounted on the first lower plate and protrudes toward the upper mold. The first direction is perpendicular to the second direction. The second lower mold half assembly includes a second lower plate, a second docking member, and a second lower mold half having a second mold half groove. The second lower mold half is slidably mounted on the sealing seat along a second direction. The second lower mold half is mounted on the second lower plate and protrudes toward the upper mold. The sealing lifting drive member is used to drive the upper plate to move in the first direction, the first wedge block is used to drive the first lower plate to move in the second direction through the first docking member, and the second wedge block is used to drive the second lower plate to move in the second direction through the second docking member. The first lower half mold and the second lower half mold are surrounded and the battery shell is clamped in the first half mold groove and the second half mold groove. The upper mold is covered on the first lower half mold assembly, the second lower half mold assembly and the battery shell through the mold groove, and the upper mold drives the upper part of the battery shell to bend inward and wrap around the positive electrode cap.

4. The battery liquid preparation and assembly equipment according to claim 3, characterized in that: The sealing mechanism further includes a support guide block and a first guide rail mounted on the sealing seat, wherein the support guide block is provided with a first guide groove adapted to the first guide rail, and the support guide block is slidably mounted on the first guide rail along a third direction through the first guide groove; wherein the first direction, the second direction, and the third direction are perpendicular to each other; The supporting guide block is provided with a storage groove for storing the battery shell.

5. The battery liquid preparation and assembly equipment according to claim 1, characterized in that: The injection mechanism further comprises a storage seat, on which a plurality of storage holes are provided at intervals, each of the storage holes being used to store an injection tube, and the injection tube is detachably connected to the injection pump.

6. The battery liquid preparation and assembly equipment according to claim 1, characterized in that: The battery liquid preparation and assembly equipment further includes a shaking mechanism; the shaking mechanism includes a shaking seat, a shaking drive assembly, and a shaking support plate slidably mounted on the shaking seat, the shaking support plate being used to support a fixture on which the liquid storage container is mounted; the shaking drive assembly is used to drive the shaking support plate to reciprocate on the shaking seat to shake the electrolyte in the liquid storage container; The liquid dispensing mechanism injects the electrolyte into the liquid storage container, and after the shaking mechanism shakes the electrolyte in the liquid storage container, the liquid injection mechanism extracts the electrolyte in the liquid storage container into the liquid storage tank.

7. The battery liquid preparation and assembly equipment according to claim 6, characterized in that: The shake drive assembly includes a shake drive member, a support block, a third elastic member, and a push plate; the push plate is provided with a slide rod, the support block is provided with a slide hole, the slide rod is slidably inserted into the slide hole, and the third elastic member is sleeved on the slide rod and abuts against the support block; The support block is installed at the output end of the shaking drive component, and the push plate is connected to the shaking support plate.

8. The battery liquid preparation and assembly equipment according to claim 1, characterized in that: The liquid storage container includes a container body and a container cover detachably mounted on the container body; the battery liquid dispensing assembly equipment further includes a screwing mechanism disposed opposite to the liquid dispensing mechanism and / or the liquid injection mechanism; The screwing mechanism includes a movable drive module, a rotary drive member, and a clamping component for clamping the container cover. The rotary drive member is installed on the movable drive module, and the clamping component is installed at the output end of the rotary drive member. The clamping component is used to close the container cover on the container body and to open the container cover from the container body.

9. The battery liquid preparation and assembly equipment according to claim 1, characterized in that: The battery liquid preparation and assembly equipment further includes a testing mechanism, which includes a first test seat, a second test seat, a test lifting drive member, and a test support seat; The first test seat is provided with a plurality of first receiving holes distributed at intervals, each of the first receiving holes is provided with a first conductive electrode, and the first conductive electrode is used to electrically connect to the first electrode of the battery shell; The second test seat is provided with a plurality of second receiving holes distributed at intervals, each of the second receiving holes is provided with a second conductive electrode, and the second conductive electrode is used to electrically connect to the second electrode of the battery shell; The first test seat is fixedly mounted on the test support seat, the second test seat is slidably mounted on the test support seat, and the test lifting drive member is mounted on the test support seat and connected to the second test seat; The test lifting drive is used to drive the second test seat to move toward or away from the first test seat.

Images