CN212571077U - Battery cell manufacturing system - Google Patents

Abstract

The application provides a battery core manufacturing system. The battery cell manufacturing system comprises a rack, a conveying device arranged on the rack, a vacuumizing packaging device, a material cutting mechanism, a fine sealing mechanism, a voltage measuring mechanism, a positioning mechanism, a trimming mechanism, a double-edge folding mechanism and a heat sealing mechanism, wherein the vacuumizing packaging device, the material cutting mechanism, the fine sealing mechanism, the voltage measuring mechanism, the positioning mechanism, the trimming mechanism, the double-edge folding mechanism and the heat sealing mechanism are sequentially arranged on the rack along; the conveying device is used for conveying the battery cell to the vacuumizing packaging device, the blanking mechanism, the fine sealing mechanism, the voltage measuring mechanism, the positioning mechanism, the edge cutting mechanism, the double-edge folding mechanism and the heat sealing mechanism in sequence; the vacuumizing packaging device is used for carrying out vacuum packaging on the battery cell; the voltage measuring mechanism is used for measuring the voltage of the precisely sealed battery cell; the battery cell manufacturing system avoids the unqualified battery cells from being continuously processed on the stations corresponding to the positioning mechanism, the trimming mechanism, the double-folding mechanism and the heat-sealing mechanism, thereby avoiding the waste of the processing efficiency of the qualified battery cells and solving the problem of low production efficiency of the battery cells.

Description

Battery cell manufacturing system

Technical Field

The utility model relates to a technical field that electric core was made especially relates to an electric core manufacturing system.

Background

The battery core processing procedure comprises the procedures of initial positioning, vacuumizing and packaging, material cutting, edge ironing, trimming, bending, edge ironing and the like. The battery core contains toxic and harmful substances, the lithium battery needs to be packaged after the liquid injection process is completed, after the electrolyte is injected and is subjected to standing treatment, redundant electrolyte which is not absorbed by the battery core and gas generated in the production process need to be pumped out, and then the aluminum-plastic film is heated and pressurized under a vacuum environment to realize vacuum packaging of the battery core, so that the situation of liquid leakage cannot occur when the lithium battery is put on the market for sale.

Traditional electric core manufacturing system carries out blank and smart operation of sealing in proper order after evacuation encapsulation operation, realizes that electric core is smart to be sealed, then gets the electric core by the manipulator and puts the station that subsequent trimming mechanism corresponds and carry out the side cut operation. The battery cell is taken, placed and carried between a station corresponding to the fine sealing operation and a station corresponding to the edge cutting mechanism through the manipulator, the accuracy of the battery cell placed on the station corresponding to the edge cutting mechanism is low, so that the edge cutting accuracy of the battery cell on the edge cutting mechanism is low, the battery cell is required to be conveyed to the edge folding station for the edge cutting operation after the edge cutting mechanism is added, the requirement on the accuracy of the battery cell placed on the edge cutting mechanism by the manipulator is high, and the defective rate of battery cell processing is high; in addition, a detection procedure is not carried out in the whole processing process of the battery cell, part of the battery cells may be defective before the battery cells are processed by the edge cutting mechanism, and the whole processing procedure of the battery cells is still finished, so that the production efficiency of the battery cells is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the weak point among the prior art, provide an electricity core manufacturing system who solves above-mentioned technical problem.

The purpose of the utility model is realized through the following technical scheme:

a battery cell manufacturing system comprises a rack, a conveying device arranged on the rack, a vacuumizing packaging device, a cutting mechanism, a fine sealing mechanism, a voltage measuring mechanism, a positioning mechanism, a trimming mechanism, a double-flanging mechanism and a heat sealing mechanism, wherein the vacuumizing packaging device, the cutting mechanism, the fine sealing mechanism, the voltage measuring mechanism, the positioning mechanism, the trimming mechanism, the double-flanging mechanism and the heat sealing mechanism are sequentially arranged on the rack along the conveying direction of the conveying device; the conveying device is used for conveying the battery cell to the vacuumizing packaging device, the blanking mechanism, the fine sealing mechanism, the voltage measuring mechanism, the positioning mechanism, the edge cutting mechanism, the double-edge folding mechanism and the heat sealing mechanism in sequence; the vacuumizing packaging device is used for carrying out vacuum packaging on the battery cell; the cutting mechanism is used for cutting burrs of the vacuum-packaged battery cell; the fine sealing mechanism is used for performing fine sealing on the battery cell with the burrs cut off; the voltage measuring mechanism is used for measuring the voltage of the precisely sealed battery cell; the positioning mechanism is used for positioning and adjusting the battery cell qualified in voltage measurement; the edge cutting mechanism is used for cutting off redundant edge sealing of the positioned battery cell; the double-edge folding mechanism is used for carrying out double-edge folding treatment on the shell of the cut and edge-sealed battery cell; and the heat sealing mechanism is used for sealing and ironing the corners of the battery cell after double-folded edge treatment.

Compared with the prior art, the invention has at least the following advantages:

1. because the vacuumizing packaging device, the cutting mechanism, the fine sealing mechanism, the voltage measuring mechanism, the positioning mechanism, the edge cutting mechanism, the double-edge folding mechanism and the heat sealing mechanism are sequentially arranged along the conveying direction of the conveying device, the conveying device can convey the battery cell to stations corresponding to the mechanisms for processing in sequence, when the battery cell is subjected to a fine sealing process, the battery cell is easy to damage to form an unqualified product, the voltage measuring mechanism is arranged behind the fine sealing mechanism to measure the voltage of the finely sealed battery cell, if the voltage of the battery cell is qualified, the battery cell is sequentially conveyed to the stations corresponding to the positioning mechanism, the edge cutting mechanism, the double-edge folding mechanism and the heat sealing mechanism for continuous processing, otherwise, the battery cell is discarded, and the unqualified battery cell is prevented from being subjected to the continuous processing on the stations corresponding to the positioning mechanism, the edge cutting mechanism, the double-edge folding mechanism and the heat sealing mechanism which are connected, so that the qualified processing efficiency, the problem of low production efficiency of the battery core is solved; 2. the qualified battery cell detected by the voltage measuring mechanism is conveyed to the positioning mechanism through the conveying device for positioning adjustment, and then the battery cell is conveyed to the edge cutting mechanism, the double-edge mechanism and the heat sealing mechanism in sequence for processing, so that the battery cell is conveyed to the edge cutting mechanism, the double-edge mechanism and the heat sealing mechanism for accurate processing, and the problem of high defective rate of battery cell processing is solved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic diagram of a cell manufacturing system in an embodiment; fig. 2 is a partial schematic view of the cell manufacturing system of fig. 1; fig. 3 is another partial schematic view of the cell manufacturing system of fig. 1; fig. 4 is a partial schematic view of the cell manufacturing system of fig. 3; fig. 5 is a partial schematic view of another perspective of the cell manufacturing system of fig. 1; fig. 6 is a partial schematic view from another perspective of the cell manufacturing system of fig. 1; fig. 7 is a partial schematic view of the cell manufacturing system of fig. 1; fig. 8 is a partial schematic view of another perspective of the vacuum encapsulation apparatus of the cell manufacturing system of fig. 1; fig. 9 is a partial schematic view of an evacuation packaging apparatus of the cell manufacturing system shown in fig. 8; fig. 10 is a partial schematic view of the cell manufacturing system of fig. 1; fig. 11 is a partial schematic view of the cell manufacturing system shown in fig. 10 at a.

Detailed Description

To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete. It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to fig. 3, a battery cell manufacturing system 10 according to an embodiment includes a rack 100, a conveying device 200, a vacuum-pumping packaging device 300, a material cutting mechanism 400, a precision sealing mechanism 500, a voltage measuring mechanism 600, a positioning mechanism 700, a trimming mechanism 800, a double-trimming mechanism 900, and a heat sealing mechanism 1100, which are sequentially disposed on the rack 100 along a conveying direction of the conveying device 200. The conveying device 200 is provided on the frame 100. The conveying device 200 is used for conveying the battery cells to the vacuum-pumping packaging device 300, the blanking mechanism 400, the fine-sealing mechanism 500, the voltage measuring mechanism 600, the positioning mechanism 700, the edge cutting mechanism 800, the double-edge folding mechanism 900 and the heat-sealing mechanism 1100 in sequence, so that the battery cells are respectively conveyed to the stations corresponding to the vacuum-pumping packaging device 300, the blanking mechanism 400, the fine-sealing mechanism 500, the voltage measuring mechanism 600, the positioning mechanism 700, the edge cutting mechanism 800, the double-edge folding mechanism 900 and the heat-sealing mechanism 1100.

As shown in fig. 2 and fig. 3, further, the vacuum encapsulation device 300 is used for vacuum encapsulation of the battery cell. The blanking mechanism 400 is used to cut off burrs of the vacuum-packaged battery cell. The fine sealing mechanism 500 is used for performing fine sealing on the battery cell with the burrs removed, namely performing fine sealing on the burrs removed from the battery cell. The voltage measuring mechanism 600 is used for measuring the voltage of the precisely sealed battery cell so as to detect whether the voltage of the precisely sealed battery cell is qualified. If the voltage of the battery cell is qualified, the battery cell is conveyed to the positioning mechanism 700 through the conveying mechanism. And if the voltage of the battery cell is unqualified, discarding the battery cell. The positioning mechanism 700 is used for positioning and adjusting the battery cells qualified in voltage measurement. The edge cutting mechanism 800 is used for cutting off redundant edge seals of the positioned battery cell. The double-folding mechanism 900 is configured to perform double-folding processing on the casing of the battery cell after the edge of the battery cell is cut and sealed, so as to respectively fold two sides of the casing of the battery cell. The heat sealing mechanism 1100 is used for sealing and ironing corners of the battery cell after the double-folding process.

In the above-mentioned battery cell manufacturing system 10 and method, because the vacuum-pumping packaging device 300, the blanking mechanism 400, the fine sealing mechanism 500, the voltage measuring mechanism 600, the positioning mechanism 700, the edge cutting mechanism 800, the double edge folding mechanism 900 and the heat sealing mechanism 1100 are sequentially arranged along the conveying direction of the conveying device 200, the conveying device 200 can sequentially convey the battery cells to the stations corresponding to the mechanisms for processing, when the battery cells are subjected to the fine sealing process, the battery cells are easily damaged to form unqualified products, the voltage measuring mechanism 600 is arranged behind the fine sealing mechanism 500 to measure the voltage of the finely sealed battery cells, if the voltage of the battery cells is qualified, the battery cells are sequentially conveyed to the stations corresponding to the positioning mechanism 700, the edge cutting mechanism 800, the double edge folding mechanism 900 and the heat sealing mechanism 1100 for further processing, otherwise the battery cells are discarded, and the unqualified battery cells are discarded, thereby avoiding the next positioning mechanism 700, the battery cells from being subjected to the, The processing efficiency of the qualified battery cell is wasted by continuously processing the stations corresponding to the edge cutting mechanism 800, the double-edge folding mechanism 900 and the heat sealing mechanism 1100, so that the problem of low production efficiency of the battery cell is solved; the qualified battery cell detected by the voltage measuring mechanism 600 is conveyed to the positioning mechanism 700 through the conveying device 200 for positioning adjustment, and then the battery cell is conveyed to the edge cutting mechanism 800, the double-folding mechanism 900 and the heat sealing mechanism 1100 in sequence for processing, so that the battery cell is conveyed to the edge cutting mechanism 800, the double-folding mechanism 900 and the heat sealing mechanism 1100 for accurate processing, and the problem of high defective rate of battery cell processing is solved.

As shown in fig. 2 and 3, in one embodiment, the transporter 200 includes a base assembly 210, a first slide mount 220, a horizontal drive mechanism 230, a pick and place mechanism 240, a second slide mount 250, and a clamping mechanism 260. The base assembly 210 is disposed on the frame 100, and the first sliding seat 220 and the second sliding seat 250 are slidably connected to the base assembly 210. The sliding direction of the first sliding seat 220 and the sliding direction of the second sliding seat 250 are parallel to each other. The horizontal driving mechanism 230 is disposed on the base assembly 210, a power output end of the horizontal driving mechanism is connected to the first sliding seat 220 and the second sliding seat 250, the horizontal driving mechanism is configured to drive the first sliding seat 220 to slide to a position corresponding to the vacuum-pumping packaging device 300, the material cutting mechanism 400, the precision sealing mechanism 500, the voltage measuring mechanism 600 and the positioning mechanism 700, respectively, relative to the base assembly 210, and the horizontal driving mechanism is further configured to drive the second sliding seat 250 to slide to a position corresponding to the positioning mechanism 700, the edge cutting mechanism 800, the double-edge folding mechanism 900 and the heat sealing mechanism 1100, respectively, relative to the base assembly 210. The pick-and-place mechanism 240 is disposed on the first sliding base 220, such that the pick-and-place mechanism 240 slides with the first sliding base 220 relative to the base assembly 210. The pick-and-place mechanism 240 is used for placing or taking out the battery cell, so that the battery cell can be sequentially conveyed to the vacuum-pumping packaging device 300, the blanking mechanism 400, the fine sealing mechanism 500, the voltage measuring mechanism 600 and the positioning mechanism 700, so as to perform vacuum packaging, burr cutting, fine sealing, voltage measuring and positioning adjustment processes on the battery cell. The clamping mechanism 260 is disposed on the second sliding seat 250, such that the clamping mechanism 260 slides with the second sliding seat 250 relative to the base assembly 210. The clamping mechanism 260 is configured to clamp the battery cell after being positioned and adjusted by the positioning mechanism 700, so that the battery cell is accurately conveyed to the positions corresponding to the trimming mechanism 800, the double-folding mechanism 900 and the heat-sealing mechanism 1100, and the battery cell is accurately trimmed, double-folded and heat-sealed.

As shown in fig. 1 to fig. 3, in the present embodiment, the vacuum-pumping encapsulation device 300, the blanking mechanism 400, the fine-sealing mechanism 500, the voltage-measuring mechanism 600 and the positioning mechanism 700 are sequentially disposed at intervals along the conveying direction of the conveying device 200, that is, the distance between the vacuum-pumping encapsulation device 300 and the blanking mechanism 400, the distance between the blanking mechanism 400 and the fine-sealing mechanism 500, the distance between the fine-sealing mechanism 500 and the voltage-measuring mechanism 600, and the distance between the voltage-measuring mechanism 600 and the positioning mechanism 700 are all equal, which is beneficial to simplifying the disposing manner of the first sliding seat 220 and the pick-and-place mechanism 240, and simultaneously shortening the reciprocating sliding displacement of the first sliding seat 220 relative to the base assembly 210.

As shown in fig. 3 and 4, the base assembly 210 further includes a first base 212 and a second base 214, the first base 212 and the second base 214 are disposed in parallel on the rack 100, the first sliding seat 220 is slidably disposed on the first base 212, and the second sliding seat 250 is slidably disposed on the second base 214. As shown in fig. 5 and 6, the horizontal driving mechanism 230 includes a first horizontal driving mechanism 230a and a second horizontal driving mechanism 230 b. The first horizontal driving mechanism 230a is mounted on the first base 212, and a power output end of the first horizontal driving mechanism 230a is connected to the first sliding seat 220. The second horizontal driving mechanism 230b is installed on the second base 214, and the power output end of the second horizontal driving mechanism 230b is connected with the second sliding seat 250. The power output direction of the first horizontal drive mechanism 230a and the power output direction of the second horizontal drive mechanism 230b are parallel to each other. In the present embodiment, the sliding direction of the first sliding seat 220 and the sliding direction of the second sliding seat 250 are parallel to each other, and the sliding track of the first sliding seat 220 and the sliding track of the second sliding seat 250 are parallel and adjacent to each other. The first horizontal driving mechanism 230a and the second horizontal driving mechanism 230b are two independent power driving sources, which not only enable the first sliding seat 220 and the second sliding seat 250 to move to the position corresponding to the positioning mechanism 700, but also enable the time difference of the movement of the first sliding seat 220 and the second sliding seat 250 to the position corresponding to the positioning mechanism 700 to be staggered, thereby avoiding the problem of mechanical interference between the pick-and-place mechanism 240 and the clamping mechanism 260. After the positioning adjustment of the positioning mechanism 700, the clamping mechanism 260 clamps the battery cell, so that the clamping mechanism 260 clamps the battery cell and sequentially conveys the battery cell to the positions corresponding to the trimming mechanism 800, the double-folding mechanism 900 and the heat-sealing mechanism 1100 along with the second sliding seat 250, thereby ensuring the processing accuracy of the battery cell at the trimming mechanism 800, the double-folding mechanism 900 and the heat-sealing mechanism 1100, and simultaneously simplifying the structure of the battery cell manufacturing system 10.

As shown in fig. 5, in particular, the first horizontal driving mechanism 230a includes a first motor 232, a lead screw (not shown), and a nut 234. The first motor 232 is mounted on the first base 212, a power shaft of the first motor 232 is connected with one end of a screw rod, and the other end of the screw rod is rotatably connected with the first base 212. The nut 234 is sleeved on the lead screw and is in threaded connection with the lead screw, and the nut 234 is connected with the first sliding seat 220. When the first motor 232 drives the lead screw to rotate and connect with the first base 212, the lead screw drives the nut 234 to move horizontally, and since the nut 234 is connected with the first sliding seat 220, the nut 234 drives the first sliding seat 220 to slide with respect to the first base 212, so that the first horizontal driving mechanism 230a drives the first sliding seat 220 to slide with respect to the first base 212. It is understood that in other embodiments, the first horizontal driving mechanism 230a is not limited to a motor-driven screw driving mechanism, but may be a motor-driven belt driving mechanism. As shown in fig. 6, specifically, the second horizontal driving mechanism 230b includes a second motor 233, a first pulley 235, a second pulley 237, and a conveyor belt (not shown). The second motor 233 is mounted to the second base 214, and a power output shaft of the second motor 233 is connected to the first pulley 235. The second pulley 237 is rotatably connected to the second base 214. The conveyor belt is respectively sleeved on the first belt wheel 235 and the second belt wheel 237, and the conveyor belt is connected with the second sliding seat 250. When the second motor 233 drives the first belt wheel 235 to rotate, the first belt wheel 235 drives the second belt wheel 237 to rotate relative to the second base 214 through the transmission belt, so that the transmission belt drives the second sliding seat 250 to slide relative to the second base 214 at positions corresponding to the positioning mechanism 700, the trimming mechanism 800, the double-folding mechanism 900 and the heat sealing mechanism 1100, respectively.

As shown in fig. 1 and 2, to reduce the reciprocating displacement of the first sliding base 220 relative to the base assembly 210, further, the number of the pick-and-place mechanisms 240 is five, five pick-and-place mechanisms 240 are arranged side by side on the first sliding base 220, and the distances between two adjacent pick-and-place mechanisms 240 are equal. A pick-and-place mechanism 240 is arranged between the feeding position of the battery cell and the vacuum-pumping packaging device 300, between the vacuum-pumping packaging placement and the cutting mechanism 400, between the cutting mechanism 400 and the fine packaging mechanism 500, between the fine packaging mechanism 500 and the voltage measuring mechanism 600, and between the voltage measuring mechanism 600 and the positioning mechanism 700, and the beats of placing or taking out the battery cell by the five pick-and-place mechanisms 240 are the same, so that the consistency of the reciprocating sliding of the five pick-and-place mechanisms 240 relative to the base component 210 along with the first sliding seat 220 is ensured. A pick-and-place mechanism 240 is arranged between the feeding position of the battery cell and the vacuum-pumping packaging device 300, between the vacuum-pumping packaging placement and the cutting mechanism 400, between the cutting mechanism 400 and the fine packaging mechanism 500, between the fine packaging mechanism 500 and the voltage measuring mechanism 600, and between the voltage measuring mechanism 600 and the positioning mechanism 700, so that the displacement of the first sliding seat 220 relative to the base component 210 in the reciprocating sliding manner can be reduced, the turnover period of the battery cell processed at each station can be shortened, and the processing efficiency of the battery cell can be improved. As shown in fig. 7, in the present embodiment, each pick-and-place mechanism 240 includes a fixing frame 241, a suction cup assembly 243 disposed on the fixing frame 241, and an air control mechanism (not shown). The fixed frame 241 is connected to the first sliding seat 220. The air control mechanism is communicated with the sucker assembly 243, and the air control mechanism is used for performing air suction or air blowing control on the sucker assembly 243, so that the sucker assembly 243 can suck or release the battery cell.

It can be understood that the battery cell at the charging position of the battery cell can be manually charged by a worker, and the battery cell can also be charged by a charging mechanism. In one embodiment, the cell manufacturing system 10 further includes a loading mechanism for loading the cells. The feeding mechanism is correspondingly arranged at the feeding position of the battery cell. The feeding mechanism, the vacuum packaging device 300, the cutting mechanism 400, the fine packaging mechanism 500, the voltage measuring mechanism 600 and the positioning mechanism 700 are arranged at intervals in sequence along the conveying direction of the conveying device 200. Specifically, the feed mechanism is a semi-automatic magazine type feed mechanism.

As shown in fig. 8, in one embodiment, the vacuum packaging apparatus 300 includes a mounting frame 310 and a vacuum packaging mechanism 320, wherein the vacuum packaging mechanism 320 includes a fixing base 321, a housing 322, a cover plate 323, a first lifting assembly 324, a heat sealing assembly 325, a puncturing mechanism 326 and a vacuum packaging assembly (not shown). The mounting bracket 310 is connected to the rack 100, and the fixing seat 321 is connected to a surface of the mounting bracket 310, which faces away from the rack, so that the fixing seat 321 is connected to the rack 100 through the mounting bracket 310. The housing 322 is disposed on the fixing base 321, and referring to fig. 9, the housing 322 has a first connecting hole 322 a. The cover plate 323 covers the housing 322, and an accommodating cavity 323a is defined between the cover plate 323 and the housing 322. The cover plate 323 is provided with a mounting hole (not shown), and the first connecting hole 322a and the mounting hole are both communicated with the accommodating cavity 323 a. The first lifting assembly 324 is disposed on the mounting frame 310, and a power output end of the first lifting assembly 324 is connected to the cover plate 323, so that the first lifting assembly 324 drives the cover plate 323 to move up and down relative to the housing 322, thereby ensuring that the cover plate 323 is pressed against the housing 322, and improving tightness of the accommodating cavity 323a defined by the cover plate 323 and the housing 322. As shown in fig. 9, lancing mechanism 326 is at least partially positioned within housing 323a, and lancing mechanism 326 is positioned adjacent heat seal assembly 325. The piercing mechanism 326 is used to pierce the cell and discharge the excess electrolyte that is not absorbed by the cell. And the heat sealing assembly 325 is positioned in the accommodating cavity 323a, and the heat sealing assembly 325 is used for heat sealing the battery cell. The heat-sealing assembly 325 is provided with a vacuuming hole 325a communicated with the accommodating chamber 323a, and the vacuuming hole 325a is respectively communicated with the accommodating chamber 323a and the first connecting hole 322 a. The vacuumizing assembly is communicated with the first connecting hole 322a and is used for vacuumizing the accommodating cavity 323a, so that the vacuumizing assembly vacuumizes the accommodating cavity 323a through the first connecting hole 322a, and simultaneously gas generated in the battery cell standing process is pumped out, so that the heat-sealing assembly 325 heats and pressurizes the aluminum-plastic film under a vacuum environment to realize vacuum packaging of the battery cell.

The operation process of the vacuum packaging apparatus 300 is as follows: firstly, the first lifting assembly 324 drives the cover plate 323 to move up and down relative to the shell 322, so as to ensure that the cover plate 323 is pressed against the shell 322; then the piercing mechanism 326 pierces the battery cell to discharge the excess electrolyte that is not absorbed by the battery cell; then, the vacuum pumping assembly performs vacuum pumping operation on the accommodating cavity 323a through the first connecting hole 322 a; finally, the heat sealing assembly 325 performs heat sealing on the battery cell, so that the aluminum plastic film is heated and pressurized in a vacuum environment, and further the vacuum packaging of the battery cell is realized.

As shown in fig. 9, in one embodiment, the first connection hole 322a is disposed corresponding to the vacuuming hole 325a, which facilitates rapid vacuuming of the vacuuming hole 325 a. It is understood that in other embodiments, the first connection hole 322a and the vacuuming hole 325a may be offset. Further, heat seal assembly 325 includes a first drive assembly 325b, a first heat seal head 325c, and a second heat seal head 325 d. The first driving assembly 325b is fixed to a side of the cover plate 323 facing away from the housing 322. The cover plate 323 has a first through hole, and the first driving assembly 325b is connected to the first heat sealing head 325c through the first through hole. The first heat seal head 325c and the second heat seal head 325d are arranged correspondingly, and the first heat seal head 325c and the second heat seal head 325d carry out heat seal on the battery cell together, so that the first drive component 325b drives the first heat seal head 325c to move corresponding to the second heat seal head 325d, and further the first heat seal head 325c and the second heat seal head 325d act on the battery cell simultaneously to realize heat seal of the battery cell. In this embodiment, the first driving assembly 325b is a cylinder assembly, and the first driving assembly 325b drives the first heat seal head 325c to move closer to or away from the second heat seal head 325 d. In other embodiments, first drive assembly 325b may also be an electric or hydraulic cylinder assembly.

Further, the evacuation holes 325a include a first evacuation hole, a first exhaust branch hole, a second evacuation hole, and a second exhaust branch hole. First heat-seal head 325c is all seted up in first evacuation hole and first convulsions branch hole, and first evacuation hole and first convulsions branch hole intercommunication are favorable to the evacuation subassembly to carry out quick evacuation operation through the space region that first evacuation hole is close to first heat-seal head 325 c. The second vacuumizing hole and the second air exhaust branch hole are both formed in the second heat sealing head 325d and communicated with each other, so that the vacuumizing assembly can perform quick vacuumizing operation on a space region adjacent to the second heat sealing head 325d through the first vacuumizing hole 325 a. Further, first evacuation hole extends along the axial of first heat-seal 325c, and first convulsions branch hole and first evacuation hole intercommunication, and first convulsions branch hole runs through first heat-seal 325c, are favorable to the evacuation subassembly to carry out evacuation fast around the electric core at the in-process of first heat-seal 325c butt heat-seal electric core. Specifically, the extending direction of the first exhaust branch hole is perpendicular to the extending direction of the first vacuum hole. The number of first convulsions branch hole is a plurality of, and a plurality of first convulsions branch hole interval distribution just all communicate with first evacuation hole. Further, the second vacuumizing hole extends along the axial direction of the second heat sealing head 325d, the second branch exhausting hole is communicated with the second vacuumizing hole, and the second branch exhausting hole penetrates through the second heat sealing head 325d, so that the vacuumizing assembly can quickly vacuumize the periphery of the battery cell in the process that the second heat sealing head 325d abuts against the heat-sealed battery cell. Specifically, the extending direction of the second exhaust branch hole is perpendicular to the extending direction of the second vacuum-pumping hole. The number of second convulsions branch hole is a plurality of, and a plurality of second convulsions branch hole interval distribution just all communicate with second evacuation hole.

Further, the first heat seal head 325c includes a heat seal head main body and a placing seat connected to each other, and the first vacuuming hole and the first branch air suction hole are both provided in the heat seal head main body. The placing seat is connected with the power output end of the first driving assembly 325b, the heat sealing head main body is arranged on one side of the placing seat close to the second heat sealing head 325d, so that the first heat sealing head 325c is connected with the power output end of the first driving assembly 325b, the first heat sealing head 325c is arranged opposite to the second heat sealing head 325d, and the first driving assembly 325b drives the first heat sealing head 325c to move relative to the second heat sealing head 325 d. In order to enable the first heat sealing head 325c to move along the power output direction of the first driving assembly 325b, further, the first heat sealing head 325c further comprises an auxiliary guide post, the cover plate 323 is provided with a guide hole, the auxiliary guide post is located in the guide hole and is in sliding connection with the cover plate 323, and the extension direction of the auxiliary guide post is parallel to the power output direction of the first driving assembly 325b, so that the first heat sealing head 325c can accurately move along the power output direction of the first driving assembly 325b, the movement precision of the first heat sealing head 325c relative to the cover plate 323 is improved, and the heat sealing precision of the battery cell is further improved. In this embodiment, the number of the auxiliary guide posts and the guide holes are two, each of the auxiliary guide posts is located in a corresponding guide hole, and the two auxiliary guide posts are respectively located at two sides of the first driving assembly 325b, so as to better guide the first heat sealing head 325c to move along the power output direction of the first driving assembly 325 b.

However, the heat of the heat-sealing head main body is directly and sequentially transferred to the placing base and the cover plate 323, so that the vacuum-pumping sealing device 300 has an overheating problem. When the vacuumizing assembly works, the accommodating cavity 323a is vacuumized, so that air in the accommodating cavity 323a flows in the air guide grooves, heat of the placing seat is dissipated, the heat of the heat sealing head main body is not easily conducted to the placing seat, the heat dissipation rate of the placing seat is improved, and the problem that the vacuumizing packaging device 300 is overheated is solved.

In one embodiment, lancing mechanism 326 includes a pusher assembly, a carriage assembly, and a carrier plate. The pushing assembly is disposed on the cover plate 323, and the pushing assembly is partially located in the accommodating cavity 323 a. The knife rest assembly is located in the accommodating cavity 323a and comprises a bayonet, the bayonet is connected with the power output end of the pushing assembly, and the pushing assembly drives the bayonet to move towards the direction close to or far away from the battery cell so as to puncture the battery cell. In this embodiment, the bearing plate is disposed in the accommodating cavity and is used for supporting the battery cell. The pushing assembly is a cylinder assembly. In other embodiments, the pushing assembly may also be an electric cylinder assembly or a hydraulic cylinder assembly. Furthermore, a separating rib plate is arranged on the inner wall of the shell 322, the containing cavity 323a is separated into a first containing groove and a second containing groove by the separating rib plate, and the bearing plate is supported by the separating rib plate, so that the bearing plate is better arranged in the containing cavity 323a, and the structural strength of the shell 322 is improved. The bearing plate is used for supporting the battery cell. The bearing plate is provided with a guide slot, the first accommodating groove corresponds to the bearing plate, and the first accommodating groove is communicated with the guide slot. The heat sealing assembly 325 is partially disposed in the second receiving groove, and the first connection hole 322a is communicated with the second receiving groove. When the electrical core is punctured by the lancet, the redundant electrolyte flowing out of the electrical core flows into the first accommodating groove through the guide slot, so that the electrolyte flows into the second accommodating groove to influence the heat sealing operation of the heat sealing assembly 325 and the vacuumizing operation of the vacuumizing assembly.

In one embodiment, the vacuum packaging apparatus 300 further includes a waste liquid recycling assembly, the housing 322 further defines a liquid discharge hole 322b communicated with the first accommodating groove, the waste liquid recycling assembly is communicated with the liquid discharge hole, and the waste liquid recycling assembly is configured to extract and recycle waste liquid so as to prevent the electrolyte stored in the first accommodating groove from overflowing, so that the vacuum packaging apparatus 300 can continuously perform vacuum packaging operation on the batch of electric cores. In this embodiment, the waste liquid recovery subassembly includes recovery pump and drawing liquid pipeline, and the recovery pump passes through drawing liquid pipeline and outage intercommunication, makes the recovery pump can extract the waste liquid of retrieving in the first storage tank. Further, the bottom of first storage tank is equipped with the inclined plane, and the inclined plane extends to the position of neighbouring outage, is favorable to the waste liquid to flow out fast through the inclined plane guide in the first storage tank, realizes the effect of quick flowing back. In the present embodiment, the number of the inclined surfaces is two, and the two inclined surfaces are inclined in directions away from each other. The figure of outage is two, and two outage sets up with the incline direction one-to-one on two inclined planes, makes the waste liquid in the first storage tank discharge fast through two outage respectively, has further improved the discharge efficiency of waste liquid. The waste liquid recovery assembly is respectively communicated with the two liquid discharge holes. In this embodiment, the included angle between the two inclined surfaces is 120 to 150 degrees, so that the waste liquid in the first accommodating groove has a better liquid discharge effect. Specifically, the included angle between the two inclined surfaces is 140 degrees.

Further, the vacuum packaging apparatus 300 further includes a pressing mechanism, which includes a telescopic driving member, a pressing plate assembly and a supporting plate assembly. The telescopic driving member is arranged on the cover plate 323, and a power output end of the telescopic driving member is connected with the pressing plate assembly to drive the pressing plate assembly to move towards a direction close to or far away from the supporting plate assembly. The pressing plate assembly and the supporting plate assembly are both located in the second containing groove, the pressing plate assembly and the supporting plate assembly are arranged oppositely, the supporting plate assembly is arranged close to the heat sealing assembly 325, and the supporting plate assembly is used for supporting the battery cell. In this embodiment, telescopic driving spare includes telescopic cylinder and fixed plate, and telescopic cylinder installs in apron 323, and apron 323 sets up and wears to establish the hole with the second that holds chamber 323a intercommunication, and telescopic cylinder's power take off end wears to establish the hole and is connected with the clamp plate subassembly in the second, makes telescopic cylinder pass through the motion of fixed slab band clamp plate subassembly. It is understood that in other embodiments, the telescopic driving assembly is not limited to being a cylinder driving assembly, but may be a motor driving assembly. Further, the pressing plate assembly comprises a guide post and a pressing plate body, the guide post is arranged on the fixing plate in a sliding mode, and the guide post is connected with the pressing plate main body. The clamp plate main part is connected with the guide post, and the clamp plate main part corresponds the setting with the backup pad subassembly, makes the clamp plate main part compress tightly the butt with electric core in the backup pad subassembly, and under the guide effect of guide post, the clamp plate main part butt is higher in the precision of backup pad subassembly, realizes that electric core is located the backup pad subassembly better. In addition, when the clamp plate main part along with the fixed plate for backup pad subassembly move to with the position of electric core butt, the clamp plate main part slides for the fixed plate along with the guide post, avoids clamp plate main part rigidity butt in electric core and the problem of crushing electric core, that is to say, the mode that the guide post set up for clamp plate main part slides makes the clamp plate main part have better cushioning effect.

Furthermore, the guide groove has still been seted up to the loading board, and the guide groove communicates with the direction slot, makes the waste liquid that flows to on the loading board after electric core punctures can flow into the direction slot fast through the guide groove in, and then makes the waste liquid collect fast to discharging the outage in the first storage tank. In this embodiment, the extending direction of the guiding groove is perpendicular to the extending direction of the guiding slot, so that the waste liquid can flow into the guiding slot rapidly through the guiding groove. Specifically, the figure of guiding groove is a plurality of, and a plurality of guiding grooves set up side by side, and the extending direction of each guiding groove is perpendicular with the extending direction of direction slot, makes the waste liquid draw the flow in the direction slot more fast through the guiding groove. Further, the vacuum packaging apparatus 300 further includes an auxiliary pressing plate assembly, the auxiliary pressing plate assembly is slidably disposed on the cover plate 323, and the auxiliary pressing plate assembly is disposed corresponding to the carrier plate. The auxiliary pressure plate assembly is provided with a position avoiding groove used for guiding the bayonet to puncture the battery cell, the position avoiding groove is correspondingly formed with the guide slot, the auxiliary pressure plate assembly is pressed against the battery cell when the bayonet punctures the battery cell on the bearing plate, the problem that the battery cell punctures partially relative to the movement of the bearing plate in the puncturing process is avoided, and the accuracy of the bayonet puncturing the battery cell is improved. In this embodiment, the auxiliary pressing plate assembly includes a sliding sleeve, a sliding rod and an auxiliary pressing plate main body, the cover plate 323 has a positioning groove, the sliding sleeve is located in the positioning groove and connected to the cover plate 323, and the sliding sleeve is sleeved on the sliding rod and slidably connected to the sliding rod, the auxiliary pressing plate main body is disposed corresponding to the loading plate, the auxiliary pressing plate main body is connected to the sliding rod, and the auxiliary pressing plate main body is located on one side of the cover plate 323 adjacent to the casing 322, so that the auxiliary pressing plate main body can be effectively abutted and pressed to the electrical core when the bayonet punctures the electrical core on. Furthermore, positioning grooves are formed in the bearing plate and are communicated with the guide slots and the guide grooves respectively, and the positioning grooves are used for positioning the battery cell, so that the battery cell is prevented from sliding relative to the bearing plate in the positioning and pressing process, and the auxiliary pressing plate assembly is enabled to press and position the battery cell on the bearing plate better. Further, the knife rest assembly further comprises a knife rest main body, the bayonet is arranged on the knife rest main body, the knife rest main body is connected with the power output end of the pushing assembly, the bayonet is connected with the power output end of the pushing assembly through the knife rest main body, and then the bayonet is connected with the power output end of the pushing assembly. In this embodiment, the numbers of bayonet and direction slot are a plurality ofly, and a plurality of bayonet set up with a plurality of direction slot one-to-one, and a plurality of bayonet set up side by side in the knife rest main part, make knife rest assembly can puncture the operation to a plurality of electricity cores simultaneously, improved the efficiency of punctureing of electricity core.

Further, as shown in fig. 8, the mounting bracket 310 is rotatably coupled to the rack 100. The vacuum packaging apparatus 300 further includes a rotary driving mechanism, the rotary driving mechanism is mounted on the rack 100, and a power output end of the rotary driving mechanism is connected to the mounting rack 310, so that the rotary driving mechanism drives the mounting rack 310 to rotate relative to the rack 100, and the mounting rack 310 can be periodically rotated to a position adjacent to the conveying apparatus 200. In this embodiment, the number of the vacuum packaging mechanisms 320 is plural, and the plural vacuum packaging mechanisms 320 are distributed at intervals along the circumferential direction of the mounting frame 310, and each vacuum packaging mechanism 320 can vacuum-package a plurality of battery cells, so that the efficiency of the vacuum packaging device 300 for vacuum-packaging the battery cells is improved. When the rotation driving mechanism drives the mounting frame 310 to rotate, so that one of the vacuum-pumping encapsulation mechanisms 320 rotates to a position corresponding to the first sliding seat 220, the pick-and-place mechanism 240 located between the loading position of the battery cell and the vacuum-pumping encapsulation device 300 just moves to a position corresponding to the vacuum-pumping encapsulation mechanism 320, and the battery cell to be vacuum-packaged is placed in the holding tank in the vacuum-pumping packaging mechanism 320, then the battery cell is vacuumized and packaged, and the picking and placing mechanism 240 between the vacuumized and packaged placement and the cutting mechanism 400 places the battery cell after vacuum packaging on the cutting mechanism 400, meanwhile, the pick-and-place mechanism 240 located between the blanking mechanism 400 and the fine sealing mechanism 500 places the battery cells on the fine sealing mechanism 500, meanwhile, the taking and placing mechanism 240 between the fine sealing mechanism 500 and the voltage measuring mechanism 600 places the battery cell on the voltage measuring mechanism 600, and the taking and placing mechanism 240 between the voltage measuring mechanism 600 and the positioning mechanism 700 places the battery cell on the positioning mechanism 700.

In order to improve the battery cell packaging efficiency of the vacuum packaging device 300 and to smartly utilize the time difference of the reciprocating motion of the pick-and-place mechanism 240 between the vacuum packaging placement and the blanking mechanism 400 and the time difference of the rotation of the mounting frame 310 to realize seamless butt joint, further, the time of one circle of rotation of each vacuum packaging mechanism 320 along with the mounting frame 310 is equal to the time of the vacuum packaging mechanism 320 for vacuum packaging the battery cell. In the present embodiment, the time of one rotation of each vacuum packaging mechanism 320 along with the mounting frame 310 is equal to twice the sum of the reciprocating times of the pick-and-place mechanism 240 between the vacuum packaging placement and the cutting mechanism 400. Similarly, when the cell is taken from the loading position by the taking and placing mechanism 240 between the vacuuming packaging placing and cutting mechanism 400, meanwhile, the taking and placing mechanism 240 between the vacuumized packaging and placing and the blanking mechanism 400 takes out the battery cell on the vacuumized packaging mechanism 320 for vacuumized packaging and placing, meanwhile, the picking and placing mechanism 240 located between the cutting mechanism 400 and the fine sealing mechanism 500 picks up the cells at the picking mechanism, meanwhile, the taking and placing mechanism 240 between the fine sealing mechanism 500 and the voltage measuring mechanism 600 takes the electric core out of the fine sealing mechanism 500, meanwhile, the battery cell is taken out of the voltage measuring mechanism 600 by the taking and placing mechanism 240 positioned between the voltage measuring mechanism 600 and the positioning mechanism 700, so that the packaging efficiency of the vacuum packaging device 300 for the battery cell is improved, and seamless joint is realized by skillfully utilizing the time difference of the reciprocating motion of the pick-and-place mechanism 240 between the vacuumizing packaging placing and blanking mechanism 400 and the time difference of the rotation of the mounting frame 310.

As shown in fig. 4, in one embodiment, the voltage measuring mechanism 600 includes a support frame 610, a fixing jig 620, a connecting seat assembly 630, a second lifting assembly 640, a first probe assembly 650, and a second probe assembly 660. The supporting frame 610 and the fixing jig 620 are connected to the frame 100. The fixing jig 620 is disposed adjacent to the conveying device 200, and the fixing jig 620 is used for positioning the battery cell. The second lifting assembly 640 is disposed on the supporting frame 610, and a power output end of the second lifting assembly 640 is connected to the connecting seat assembly 630. The second lifting assembly 640 drives the connection seat assembly 630 to move up and down relative to the fixing jig 620. The first probe assembly 650 and the second probe assembly 660 are disposed on the connecting seat assembly 630, and the first probe assembly 650 and the second probe assembly 660 are disposed corresponding to the fixing jig 620. The first probe assembly 650 is used for detecting the voltage of the battery cell, and the second probe assembly 660 is used for detecting the side voltage of the aluminum-plastic film of the battery cell, so that the voltage measuring mechanism 600 measures the voltage of the battery cell and the side voltage of the aluminum-plastic film at the same time, and whether the battery cell is qualified or not is comprehensively judged. In this embodiment, the second lifting assembly 640 is a cylinder assembly, and in other embodiments, the second lifting assembly 640 may also be a hydraulic cylinder assembly or an electric cylinder assembly.

As shown in fig. 10, in one embodiment, the first probe assembly 650 includes a setting bed 652, a probe body 654, and a pierce drill 656. The setting seat 652 is connected with the connecting seat assembly 630, the probe body 654 and the puncture drill 656 are arranged in the setting seat 652 side by side, the puncture drill 656 is used for puncturing the sol edge sealing area of the aluminum plastic film of the battery cell, and the probe body 654 is used for detecting the voltage of the battery cell. Referring to fig. 11, in the present embodiment, the probe body 654 includes a first sliding sleeve 654a, a probe rod 654b, and a convex pillar 654c connected to one end of the probe rod 654b, the setting base 652 is provided with a first installation through hole 652a, and the first sliding sleeve 654a is located in the first installation through hole 652a and connected to the setting base 652. The first sliding sleeve 654a is sleeved on the probe rod 654b and slidably connected with the probe rod 654 b. The protruding column 654c is used for abutting against the battery cell to detect the voltage of the battery cell. Since the probe rod 654b is slidably connected to the first sliding sleeve 654a, when the probe rod 654b abuts against the electrical core, the probe rod 654b slides relative to the setting base 652, so as to avoid the problem that the probe rod 654b is broken or damaged by impact due to inertia, and prolong the service life of the first probe assembly 650.

As shown in fig. 11, the piercing drill 656 includes a drill rod 656a and a second sliding sleeve 656b, the setting base 652 is provided with a second mounting through hole 652b, and the second sliding sleeve 656b is located in the second mounting through hole 652b and is connected to the setting base 652. The second sliding sleeve 656b is sleeved on the drill stem 656a and slidably connected with the drill stem 656 a. In this embodiment, the drill stem body 656a is provided with a piercing edge portion 6562 at a position adjacent to the convex pillar portion 654c, and the piercing edge portion 6562 is used for piercing a sol edge sealing region of the aluminum plastic film of the cell. Because the drill rod body 656a is slidably connected to the second sliding sleeve 656b, when the drill rod body 656a pierces the aluminum plastic film and abuts against the fixing jig 620, the drill rod body 656a slides relative to the setting base 652 under the action of the blocking force, so that the problem that the drill rod body 656a is broken or the piercing part 6562 pierces the fixing jig 620 is avoided, and the service life of the second probe assembly 660 is prolonged.

Further, the distance between the piercing edge portion 6562 and the fixed jig 620 is a first distance, the distance between the convex column portion 654c and the fixed jig 620 is a second distance, and the first distance is smaller than the second distance, so that when the probe body 654 and the piercing drill 656 move towards the direction in which the fixed jig 620 synchronously approaches relative to the setting seat 652, the piercing edge portion 6562 is firstly contacted and pierced with the electric core, which is beneficial to the voltage measurement mechanism 600 to simultaneously realize voltage detection on the voltage of the electric core and the side voltage of the aluminum-plastic film, and further improves the detection efficiency of the voltage measurement mechanism 600. In the present embodiment, the protruding column 654c is cylindrical. And comprehensively judging whether the currently detected battery cell is qualified or not according to the voltage detection data of the battery cell and the voltage detection data of the edge voltage of the aluminum-plastic film. If the battery core is unqualified, picking out and discarding; otherwise, the battery cell is conveyed to the next station, namely the station of the positioning mechanism 700, through the conveying device 200 to be operated, so that the effect of timely rejecting unqualified battery cells is achieved, the unqualified battery cells and qualified battery cells are prevented from being queued together and enter the next station, namely the station of the positioning mechanism 700, to be processed, and the manufacturing efficiency of the battery cell is greatly improved. As shown in fig. 10, further, the fixing jig 620 includes a fixing jig body 623 and an auxiliary detection block 625, the fixing jig body 623 is connected to the rack 100, the fixing jig body 623 is provided with a first placing groove 623a and a second placing groove 623b which are communicated with each other, the first placing groove 623a is used for placing a positioning battery cell, the second placing groove 623b is used for placing the auxiliary detection block 625, the auxiliary detection block 625 is used for being abutted against the aluminum-plastic film of the battery cell so as to detect the side voltage of the aluminum-plastic film of the battery cell, and by providing the auxiliary detection block 625, the efficiency and accuracy of measuring the side voltage of the aluminum-plastic film of the battery cell are improved.

As shown in fig. 10 and 11, in one embodiment, the connecting seat assembly 630 includes a connecting seat 631, a first mounting block 633 and a second mounting block 635, the connecting seat 631 is connected to the power driving rod of the second lifting assembly 640, the first mounting block 633 and the second mounting block are slidably disposed on the connecting seat 631, the first probe assembly 650 is mounted on the first mounting block 633, and the second probe assembly 660 is mounted on the second mounting block 635, so that the first probe assembly 650 and the second probe assembly 660 are mounted on the connecting seat assembly 630. Further, the connecting base 631 defines a first waist-shaped hole 631a, and the first mounting block 633 defines a first fixing hole (not shown). The connecting seat assembly 630 further includes a first fixing member (not shown) respectively passing through the first kidney-shaped hole 631a and the first fixing hole, so that the first mounting block 633 is fixed on the connecting seat 631 through the first fixing member. When the connecting position of first installation piece 633 and connecting seat 631 needs to be adjusted, the first fixing piece is loosened, the relative position of first installation piece 633 and connecting seat 631 is adjusted to a proper position, the first fixing piece is locked, and then the connecting position of first installation piece 633 and connecting seat 631 is adjustable, so that the convenience in use of voltage measuring mechanism 600 is improved.

As shown in fig. 10, the connecting base 631 is further formed with a second waist-shaped hole 631b, and the second mounting block 635 is formed with a second fixing hole. The connecting seat assembly 630 further includes a second fixing member (not shown), and the second fixing member is respectively disposed in the second kidney-shaped hole 631b and the second fixing hole, so that the second mounting block 635 is fixed on the connecting seat 631 through the second fixing member. When the connecting position of second installation piece 635 and connecting seat 631 needs to be adjusted, loosen the second fixing piece, adjust the relative position of second installation piece 635 and connecting seat 631 to suitable position, lock the second fixing piece, and then make the connecting position of second installation piece 635 and connecting seat 631 adjustable, improved the convenient to use nature of measuring voltage mechanism 600. Further, the connecting seat assembly 630 further includes a connecting plate 637 and at least two guide posts 639, wherein the connecting plate 637 is connected to each guide post 639. At least two guide posts 639 are arranged in parallel. Each guide post 639 is slidably disposed on the support frame 610. At least two guide post 639 all are connected with connecting seat 631, when second lifting assembly 640 drive connecting seat 631 moved for support frame 610, because connecting plate 637 is connected with each guide post 639, make connecting seat 631 can drive all guide posts 639 and slide for support frame 610 simultaneously, and then make connecting seat 631 parallel motion all the time for support frame 610, the motion accuracy of connecting seat 631 has been improved, avoid first probe subassembly 650 skew to use electric core, and then improved the voltage accuracy that first probe subassembly 650 detected electric core. Similarly, the voltage precision of the battery cell detected by the second probe assembly 660 is improved.

As shown in fig. 3 and 4, a first guide rail (only the mounting groove 212a of the first guide rail is shown) is disposed on a surface of the first base 212 facing away from the rack 100, and the first sliding seat 220 is slidably disposed on the first guide rail, so that the first sliding seat 220 is better slidably disposed on the first base 212. A second guide rail 214a is disposed on a surface of the second base 214 facing away from the rack 100, and the second sliding seat 250 is slidably disposed on the second guide rail 214a, so that the second sliding seat 250 is better slidably disposed on the second base 214. In the present embodiment, the first guide rail and the second guide rail 214a are disposed in parallel, and the extending direction of the first guide rail and the extending direction of the second guide rail 214a are not collinear. The positioning mechanism 700, the trimming mechanism 800, the double-folding mechanism 900, and the heat-sealing mechanism 1100 are all arranged along the extending direction of the second guide rail 214 a.

Further, the positioning mechanism 700 includes a positioning adjustment assembly, a first clamping assembly, and a second clamping assembly. The positioning and adjusting assembly comprises a hand wheel, an adjusting screw rod and a fixed seat, and the fixed seat is installed on the second base 214. The hand wheel is connected with one end of the adjusting screw rod. The adjusting screw rod is rotatably connected to the fixed seat, and a first screwing part and a second screwing part which are opposite in screwing direction are arranged on the peripheral wall of the adjusting screw rod. The first clamping assembly is sleeved on the first screwing part and is in threaded connection with the adjusting screw rod, and the first clamping assembly is slidably arranged on the second base 214. The second clamping assembly is sleeved on the second screwing part and is in threaded connection with the adjusting screw rod, and the second clamping assembly is slidably arranged on the second base 214. The first clamping assembly and the second clamping assembly are located on either side of the second guide rail 214 a. When the hand wheel is rotated in the forward direction, the hand wheel drives the adjusting screw rod to rotate in the forward direction, so that the first clamping assembly and the second clamping assembly are close to each other; on the contrary, when the hand wheel is rotated reversely, the hand wheel drives the adjusting screw rod to rotate reversely, so that the first clamping assembly and the second clamping assembly are far away from each other. So, adjust the clearance between first clamping component and the second clamping component, realize the regulation of first clamping component and second clamping component's relative position to be applicable to not unidimensional electric core and adjust. It can be understood that, because the first guide rail and the second guide rail are arranged in a staggered manner, and the gap between the first clamping assembly and the second clamping assembly needs to be adapted to the electric cores with different sizes to be adjusted, the distance between the position of the taking and placing mechanism between the voltage measuring mechanism and the positioning mechanism, where the electric core is taken out by the voltage measuring mechanism, and the first sliding seat is different from the distance between the position of the taking and placing mechanism, where the electric core is placed by the positioning mechanism, and the first sliding seat, in order to improve the applicability of the taking and placing mechanism, further, the fixing frame 241 of the taking and placing mechanism between the voltage measuring mechanism and the positioning mechanism is in sliding connection with the first sliding seat 220, so that the relative positions of the sucker assembly and the first sliding seat can be flexibly adjusted to adapt to the gap between the first clamping assembly and the second clamping assembly at different positions. In this embodiment, the sliding direction of the fixed frame relative to the first sliding seat is perpendicular to the sliding direction of the first sliding seat relative to the first base. In this embodiment, the first sliding seat 220 includes a sliding seat main body 222, a lifting frame 224 connected with the sliding seat main body, and a sliding sleeve seat 226 slidably connected with the lifting frame. The fixed frame is connected with the sliding sleeve seat in a sliding manner, so that the fixed seat is connected with the first sliding seat in a sliding manner. Specifically, the sliding direction of the sliding sleeve seat relative to the lifting frame, the sliding direction of the fixed sleeve relative to the sliding sleeve seat and the sliding direction of the first sliding seat relative to the first base are mutually perpendicular in pairs. In one embodiment, the sliding connection portion of the fixed frame and the sliding sleeve seat is a rod structure.

As shown in fig. 10 and 11, the pick-and-place mechanism 240 further includes a lifting driving mechanism 245, the lifting driving mechanism is mounted on the lifting frame, and a power output end of the lifting driving mechanism is connected to the sliding sleeve base, so that the lifting driving mechanism drives the sliding sleeve base to slide relative to the lifting frame, so as to adjust the lifting height of the suction cup assembly relative to the first base, and improve the applicability of the pick-and-place mechanism. In this embodiment, the lift driving mechanism is a cylinder mechanism. Further, the pick-and-place mechanism 240 further includes a position adjustment driving assembly 247, the position adjustment driving assembly is mounted on the first sliding seat, and a power output end of the position adjustment driving assembly is connected to the fixed frame to drive the fixed frame to slide relative to the first sliding seat. In this embodiment, the position adjustment drive assembly is a cylinder assembly. In order to improve the precision of the position adjustment driving assembly driving the fixed frame to slide relative to the first sliding seat, further, a first sensor 226b and a second sensor 226c are arranged on the sliding sleeve seat side by side, and a sensing piece 241a is arranged on the fixed frame. The sensing piece is also in communication connection with the control end of the position adjusting driving assembly. When the induction sheet moves to the position corresponding to the first inductor, the induction sheet moves to the first limit position along with the fixed frame. When the induction sheet moves to the position corresponding to the second inductor, the induction sheet moves to the second limit position along with the fixed frame. Therefore, the position adjusting driving assembly drives the induction sheet to accurately slide relative to the first sliding seat along with the fixed frame. In order to reduce the occupied space of the taking and placing mechanism, further, the sliding sleeve seat is provided with a position avoiding hole 226a which is used for avoiding the position adjusting driving assembly 247, and the position adjusting driving assembly 247 is positioned between the connection position of the lifting frame and the sliding seat main body, so that the occupied space of the taking and placing mechanism is greatly reduced.

Further, the first clamping assembly comprises a first mounting seat, a first nut, a first driving source and a first clamping plate. The first mounting seat is slidably disposed on the second base 214, and the first mounting seat is connected to the first nut. The first nut is sleeved on the first screwing part and is in threaded connection with the first screwing part. The first driving source is installed on the surface of the first installation seat departing from the second sliding seat 250, and the power output end of the first driving source is connected with the first clamping plate, so that the first driving source drives the first clamping plate to move. The second clamping assembly comprises a second mounting seat, a second nut, a second driving source and a second clamping plate. The second mounting seat is slidably disposed on the second base 214, and the second mounting seat is connected to the second nut. The second nut is sleeved on the second screwing part and is in threaded connection with the second screwing part. The second driving source is installed on the surface of the second installation seat departing from the second sliding seat 250, and the power output end of the second driving source is connected with the second clamping plate, so that the second driving source drives the second clamping plate to move. In this embodiment, the first clamping plate and the second clamping plate are parallel and opposite to each other, and the first clamping plate and the second clamping plate move in a direction approaching or separating from each other to loosen or clamp the battery cell. The first driving source and the second driving source are both cylinder assemblies. In other embodiments, each of the first and second drive sources may also be an electric or hydraulic cylinder assembly.

It should be noted that, a clamping force direction in which the first clamping plate and the second clamping plate clamp the battery cell together is a first direction, a clamping force direction in which the clamping mechanism 260 clamps the battery cell is a second direction, and an included angle exists between the first direction and the second direction. When the first clamping plate and the second clamping plate clamp the battery cell, the clamping mechanism 260 moves with the second sliding seat 250 relative to the second base 214 to a position corresponding to the positioning mechanism 700, and the clamping mechanism 260 clamps the battery cell. After the clamping mechanism 260 clamps the battery cell, the first clamping plate moves towards the direction away from the second clamping plate, so that the battery cell is positioned on the battery cell by the positioning clamp, and the positioning and clamping accuracy of the battery cell is improved. In this embodiment, the first direction is perpendicular to the second direction, and the first direction and the second direction are both perpendicular to the extending direction of the second guide rail 214a, so that the first clamping plate and the second clamping plate perform horizontal pre-light-pressing clamping on the battery cell together, so as to adjust the battery cell to a predetermined position first, and make the clamping mechanism 260 perform longitudinal heavy-pressing clamping on the battery cell, and the problem that the clamping and positioning of the battery cell are not in place can be avoided by clamping and positioning in two different directions, and the positioning and clamping accuracy of the battery cell is improved at the same time.

For improving the effect of the common centre gripping electricity core of first grip block and second grip block, reduced the weight of first grip block and second grip block simultaneously, furtherly, first grip block is including first grip block main part and the first clamp splice that is connected, and first grip block main part sets up in first mount pad. The first clamping block is arranged adjacent to the second clamping plate. And a power shaft of the first driving source is connected with the first clamping plate main body. The second clamping plate comprises a second clamping plate main body and a second clamping block which are connected, and the second clamping plate main body is arranged on the second mounting seat. The second clamping block is arranged adjacent to the first clamping plate. And a power shaft of the second driving source is connected with the second clamping plate main body. In this embodiment, the first clamping block and the second clamping block are parallel and opposite to each other. The cross section of first clamp splice and the cross section of second clamp splice all are the L type, make first grip block and the common centre gripping of second grip block in the area of electric core great, reduced the weight of first grip block and second grip block simultaneously. In order to further improve the effect of clamping the battery cell by the first clamping plate and the second clamping plate together, in one embodiment, the first clamping block is provided with a first avoiding surface inclined towards the second clamping plate main body, the second clamping block is provided with a second avoiding surface inclined towards the first clamping plate main body, when the first clamping block and the second clamping block move towards the direction close to each other, the first avoiding surface and the second avoiding surface can both avoid being abutted to the battery cell for clamping, and the battery cell is clamped in the first clamping block and the second clamping block, so that a certain moving space is formed in the process of clamping the battery cell to the first clamping block and the second clamping block, and the battery cell is better clamped by the first clamping block and the second clamping block.

Furthermore, the first clamping plate is further slidably arranged on the first mounting seat, and the second clamping plate is further slidably arranged on the second mounting seat, so that the first clamping plate can slide more stably relative to the first mounting seat, the second clamping plate can slide more stably relative to the second mounting seat, and the clamping precision between the first clamping plate and the second clamping plate is higher. In this embodiment, first mount pad and second mount pad all realize corresponding grip block slip setting through the mode that is equipped with the slide rail. In other embodiments, the first mounting seat and the second mounting seat can also realize the sliding arrangement of the corresponding clamping plates by arranging the guide rods. Further, the positioning mechanism 700 further comprises a calibration assembly, the calibration assembly comprises a scale, and the scale is connected with the first clamping block. The graduated scale is provided with a plurality of parallel graduated lines, and the arrangement direction of the graduated lines is parallel to the movement direction of the first clamping block. In this embodiment, one surface of the first clamping block adjacent to the second clamping block is flush with the 0 graduation line on the graduated scale. One side of the second clamping block adjacent to the first clamping block moves to a position corresponding to one of the scale marks of the graduated scale along with the second clamping block, a user can visually read the clamping gap between the first clamping block and the second clamping block and can rotate the hand wheel in cooperation with the requirement, and therefore the user can quickly know whether the adjustment of the clamping gap between the first clamping block and the second clamping block is in place or not, the adjustment efficiency of the clamping gap is improved, the situation that misjudgment occurs in adjustment due to direct visual inspection is avoided, and the use convenience of the positioning mechanism 700 is improved.

Further, the trimming mechanism 800 includes two symmetrically disposed trimming assemblies, a first trimming assembly and a second trimming assembly, respectively. The first trimming component is arranged on the first mounting seat, and the second trimming component is arranged on the second mounting seat. Two side cut subassemblies are sheared the unnecessary banding on the both sides of electric core respectively, realize excising simultaneously the unnecessary banding on the both sides of electric core, have improved the excision efficiency of the banding of electric core. Specifically, first cut limit subassembly includes first slide, first regulation seat, first cut limit driving source, first guide piece and first hobbing cutter spare, and first regulation seat is connected with first slide, and first mount pad is connected in the one side that deviates from first slide of first regulation seat. The first cutting edge driving source is arranged on the first mounting seat. First guide part and first hobbing cutter spare all rotate to be connected in first regulation seat. First guide and first hobbing cutter spare set up side by side along the extending direction of second guided way 214a, and first guide is located the one side that first hobbing cutter spare is close to positioning mechanism 700, make electric core pass through the guide of first guide earlier before the side cut, and then make the unnecessary banding exhibition of electric core, are favorable to improving the unnecessary banding of first hobbing cutter spare excision electric core better. The power output end of the first trimming driving source is connected with the first hobbing cutter piece so as to drive the first hobbing cutter piece to rotate relative to the first adjusting seat. In this embodiment, the number of first hobbing cutter spare and first guide part is two, and two first hobbing cutter spares set up relatively, and two first hobbing cutter spares pass through gear assembly meshing transmission, make two first hobbing cutter spares the synchronous meshing transmission better, and then make two first hobbing cutter spares excise the unnecessary banding of electric core better. The two first guide members are disposed opposite to each other. In this embodiment, the first trimming driving source is a motor, and a power output end of the first trimming driving source is connected to one of the first rolling cutter members. For example, the power take-off of the first slitting drive source is connected to one of the first rolling cutter elements by a belt drive.

Specifically, the second trimming assembly comprises a second sliding seat, a second adjusting seat, a second trimming driving source, a second guide piece and a second hob piece. The second adjusting seat is connected with the second sliding seat, and the second mounting seat is connected to one surface of the second adjusting seat, which is far away from the second sliding seat. The second trimming driving source is arranged on the second mounting seat. The second guide piece and the second hobbing cutter piece are both rotatably connected to the second adjusting seat. Second guide and second hobbing cutter spare set up side by side along the extending direction of second guided way 214a, and the second guide is located the one side that second hobbing cutter spare is close to positioning mechanism 700, make electric core earlier through the guide of second guide before cutting edge, and then make the unnecessary banding exhibition of electric core, be favorable to improving the unnecessary banding of second hobbing cutter spare excision electric core better, improve the precision of excision. And the power output end of the second trimming driving source is connected with the second hobbing cutter piece so as to drive the second hobbing cutter piece to rotate relative to the second adjusting seat. In this embodiment, the number of second hobbing cutter spare and second guide part is two, and two second hobbing cutter spares set up relatively, and two second hobbing cutter spares pass through gear assembly meshing transmission, make two second hobbing cutter spares the synchronous meshing transmission better, and then make two second hobbing cutter spares excise the unnecessary banding of electric core better. The two second guide members are disposed opposite to each other. In this embodiment, the second trimming driving source is a motor, and a power output end of the second trimming driving source is connected to one of the second hob members. For example, the power output of the second trimming drive source is connected to one of the second hob elements by a belt drive. Because first regulation seat and first grip block main part all set up in first mount pad, make first regulation seat and first grip block main part all adjust simultaneously along with first mount pad, and on the same principle, second regulation seat and second grip block main part all adjust simultaneously along with the second mount pad, improve the convenience of electric core system of processing's regulation. Further, the first slide slides and sets up in first mount pad, and the second slide slides and sets up in the second mount pad, makes the relative position of first slide and second slide adjustable, and then makes the relative position of first regulation seat and second regulation seat adjustable, makes trimming mechanism 800 can be applicable to the excision of the unnecessary banding of the not unidimensional electric core, has improved trimming mechanism 800's suitability.

Further, double-folding mechanism 900 includes two relative hem subassemblies that set up, first slide and second slide are located respectively to two hem subassemblies, make the interval between two hem subassemblies can adjust through the regulation of the relative position between first slide and the second slide, so that two hem subassemblies carry out the hem to the both sides of not unidimensional electric core simultaneously, again because first regulation seat is connected in first mount pad, make first regulation seat and the hem subassembly that is located same first mount pad with first regulation seat all can adjust along with first mount pad, and in the same way, the second is adjusted the seat and is adjusted the hem subassembly that is located same second mount pad with the second regulation seat all can adjust along with the second mount pad, the adaptability of electric core manufacturing system 10 has been improved. Further, the heat-seal mechanism 1100 is provided on the second base 214, and the heat-seal mechanism 1100 is provided on one side of the second guide rail 214 a. The heat sealing mechanism 1100 is used for sealing and ironing corners of the battery cell after the double-folding process. In this embodiment, the heat sealing mechanism 1100 is located on a side of the double-folding mechanism 900 away from the trimming mechanism 800, so that the battery cell is subjected to heat sealing treatment on the double-folded corners.

The steps of manufacturing the battery cell by the battery cell manufacturing system 10 described above include: firstly, the battery cells are conveyed to a vacuum packaging device from a loading position through a conveying device 200; then, the battery cell is vacuum-packaged by the vacuum-pumping packaging device 300; then, the battery cell after vacuum packaging is conveyed to the blanking mechanism 400 by the conveying device 200; then, cutting burrs of the vacuum-packaged battery cell through the cutting mechanism 400 to cut off redundant burrs of the vacuum-packaged battery cell; then, the battery cell with the burrs cut off is conveyed to the fine sealing mechanism 500 through the conveying device 200; then, performing fine sealing on the burr cutting part of the battery cell through a fine sealing mechanism 500; then, the precisely sealed battery cell is conveyed to the voltage measuring mechanism 600 through the conveying device 200; then, the voltage of the precisely sealed battery cell is measured by the voltage measuring mechanism 600. Then, judging whether the voltage of the battery cell is qualified, and if the voltage of the battery cell is qualified, conveying the battery cell with qualified voltage to a positioning mechanism through a pick-and-place mechanism; otherwise, discarding the battery cell; then, positioning adjustment is performed on the conveying direction of the battery cell through a positioning mechanism 700; then, the positioning-adjusted battery cells are conveyed to the edge cutting mechanism 800 by the conveying device 200; then, cutting off redundant edge sealing of the positioned battery cell through the edge cutting mechanism 800; then, the battery cell with the edge cut and sealed is conveyed to the double-edge folding mechanism 900 through the conveying device 200; then, performing double-folding processing on the shell of the battery cell after the edge sealing is removed through a double-folding mechanism 900; then, the cell after double-folding processing is conveyed to a heat sealing mechanism 1100 by a conveying device 200; finally, the corners of the battery cell after the double-folding processing are sealed and ironed through a heat sealing mechanism 1100.

Compared with the prior art, the utility model discloses at least, following advantage has:

1. because the vacuum-pumping packaging device 300, the blanking mechanism 400, the fine sealing mechanism 500, the voltage measuring mechanism 600, the positioning mechanism 700, the edge cutting mechanism 800, the double-edge folding mechanism 900 and the heat sealing mechanism 1100 are sequentially arranged along the conveying direction of the conveying device 200, the conveying device 200 can convey the battery cells to stations corresponding to the mechanisms in sequence for processing, the battery cells are easily damaged to form unqualified products when the battery cells are subjected to the fine sealing process, the voltage measuring mechanism 600 is arranged behind the fine sealing mechanism 500 to measure the voltage of the battery cells after the fine sealing, if the voltage of the battery cells is qualified, the battery cells are conveyed to the stations corresponding to the positioning mechanism 700, the edge cutting mechanism 800, the double-edge folding mechanism 900 and the heat sealing mechanism 1100 in sequence for processing, otherwise, the battery cells are discarded, the unqualified battery cells are discarded in time, and the next positioning mechanism 700 for the unqualified battery cells is avoided, The processing efficiency of the qualified battery cell is wasted by continuously processing the stations corresponding to the edge cutting mechanism 800, the double-edge folding mechanism 900 and the heat sealing mechanism 1100, so that the problem of low production efficiency of the battery cell is solved; 2. the qualified battery cell detected by the voltage measuring mechanism 600 is conveyed to the positioning mechanism 700 through the conveying device 200 for positioning adjustment, and then the battery cell is conveyed to the edge cutting mechanism 800, the double-folding mechanism 900 and the heat sealing mechanism 1100 in sequence for processing, so that the battery cell is conveyed to the edge cutting mechanism 800, the double-folding mechanism 900 and the heat sealing mechanism 1100 for accurate processing, and the problem of high defective rate of battery cell processing is solved.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A battery core manufacturing system is characterized by comprising a rack, a conveying device arranged on the rack, a vacuumizing packaging device, a cutting mechanism, a fine sealing mechanism, a voltage measuring mechanism, a positioning mechanism, a trimming mechanism, a double-edge folding mechanism and a heat sealing mechanism, wherein the vacuumizing packaging device, the cutting mechanism, the fine sealing mechanism, the voltage measuring mechanism, the positioning mechanism, the trimming mechanism, the double-edge folding mechanism and the heat sealing mechanism are sequentially arranged on the rack along the conveying direction of the conveying device;

the conveying device is used for conveying the battery cell to the vacuumizing packaging device, the blanking mechanism, the fine sealing mechanism, the voltage measuring mechanism, the positioning mechanism, the edge cutting mechanism, the double-edge folding mechanism and the heat sealing mechanism in sequence;

the vacuumizing packaging device is used for carrying out vacuum packaging on the battery cell;

the cutting mechanism is used for cutting burrs of the vacuum-packaged battery cell;

the fine sealing mechanism is used for performing fine sealing on the battery cell with the burrs cut off;

the voltage measuring mechanism is used for measuring the voltage of the precisely sealed battery cell;

the positioning mechanism is used for positioning and adjusting the battery cell qualified in voltage measurement;

the edge cutting mechanism is used for cutting off redundant edge sealing of the positioned battery cell;

the double-edge folding mechanism is used for carrying out double-edge folding treatment on the shell of the cut and edge-sealed battery cell;

and the heat sealing mechanism is used for sealing and ironing the corners of the battery cell after double-folded edge treatment.

2. The cell manufacturing system according to claim 1, wherein the conveying device comprises a base assembly, a first sliding seat, a second sliding seat, a horizontal driving mechanism, a pick-and-place mechanism and a clamping mechanism;

the base assembly is arranged on the rack, and the first sliding seat and the second sliding seat are both connected to the base assembly in a sliding manner;

the sliding direction of the first sliding seat is parallel to that of the second sliding seat;

the horizontal driving mechanism is arranged on the base assembly, a power output end of the horizontal driving assembly is respectively connected with the first sliding seat and the second sliding seat, the horizontal driving assembly is used for driving the first sliding seat to respectively slide to positions corresponding to the vacuumizing packaging device, the cutting mechanism, the fine sealing mechanism, the voltage measuring mechanism and the positioning mechanism relative to the base assembly, and the horizontal driving assembly is also used for driving the second sliding seat to respectively slide to positions corresponding to the positioning mechanism, the trimming mechanism, the double-edge folding mechanism and the heat sealing mechanism relative to the base assembly;

the picking and placing mechanism is arranged on the first sliding seat and used for placing or taking out the battery cell;

the clamping mechanism is arranged on the second sliding seat and used for clamping the battery cell positioned and adjusted by the positioning mechanism.

3. The cell manufacturing system according to claim 1, wherein the vacuum encapsulation device includes a mounting frame and a vacuum encapsulation mechanism, and the vacuum encapsulation mechanism includes a fixing base, a housing, a cover plate, a first lifting assembly, a heat-sealing assembly, a piercing mechanism, and a vacuum assembly;

the mounting frame is connected to the rack;

the fixed seat is connected to one surface of the mounting rack, which is far away from the fixed jig;

the shell is arranged on the fixed seat and provided with a first connecting hole;

the cover plate is covered on the shell, an accommodating cavity is defined between the cover plate and the shell, the cover plate is provided with a mounting hole, and the first connecting hole and the mounting hole are both communicated with the accommodating cavity;

the first lifting assembly is arranged on the mounting frame, and the power output end of the first lifting assembly is connected with the cover plate;

the heat-sealing assembly is located in the accommodating cavity and used for heat-sealing the battery cell, the heat-sealing assembly is provided with a vacuumizing hole communicated with the accommodating cavity, and the vacuumizing hole is communicated with the accommodating cavity and the first connecting hole respectively;

the piercing mechanism is at least partially positioned in the accommodating cavity, is arranged adjacent to the heat-sealing assembly and is used for piercing the battery cell;

the vacuumizing assembly is communicated with the first connecting hole and is used for vacuumizing the accommodating cavity.

4. The cell manufacturing system of claim 3, wherein the piercing mechanism comprises a pushing assembly, a knife rest assembly, and a carrier plate;

the pushing assembly is arranged on the cover plate, and part of the pushing assembly is positioned in the accommodating cavity;

the knife rest assembly is positioned in the accommodating cavity and comprises a bayonet, and the bayonet is connected with the power output end of the pushing assembly;

the battery cell loading device is characterized in that a separating rib plate is arranged on the inner wall of the shell, the containing cavity is separated into a first containing groove and a second containing groove by the separating rib plate, the bearing plate is supported by the separating rib plate and used for supporting the battery cell, a guide slot is formed in the bearing plate, the first containing groove corresponds to the bearing plate, the first containing groove is communicated with the guide slot, the heat-seal assembly is partially located in the second containing groove, and the first connecting hole is communicated with the second containing groove.

5. The battery cell manufacturing system according to claim 4, wherein the evacuation packaging apparatus further includes a waste liquid recovery assembly, the casing further defines a liquid discharge hole communicated with the first accommodating groove, the waste liquid recovery assembly is communicated with the liquid discharge hole, and the waste liquid recovery assembly is configured to extract and recover waste liquid.

6. The cell manufacturing system according to any one of claims 1 to 5, wherein the voltage measuring mechanism comprises a support frame, a fixing jig, a connecting seat assembly, a second lifting assembly, a first probe assembly and a second probe assembly; the support frame and the fixing jig are both connected with the rack; the fixing jig is arranged adjacent to the conveying device and used for positioning the battery cell; the second lifting assembly is arranged on the supporting frame, the power output end of the second lifting assembly is connected with the connecting seat assembly, and the second lifting assembly drives the connecting seat assembly to move up and down relative to the fixed jig; the first probe assembly and the second probe assembly are arranged on the connecting seat assembly, the first probe assembly and the second probe assembly are arranged corresponding to the fixing jig, the first probe assembly is used for detecting the voltage of the battery cell, and the second probe assembly is used for detecting the edge voltage of the aluminum-plastic film of the battery cell.

7. The battery cell manufacturing system according to claim 6, wherein the first probe assembly includes a setting seat, a probe body, and a piercing drill bit, the setting seat is connected to the connecting seat assembly, the probe body and the piercing drill bit are mounted in the setting seat side by side, the piercing drill bit is configured to pierce a sol edge sealing area of the aluminum-plastic film of the battery cell, and the probe body is configured to detect a voltage of the battery cell.

8. The battery cell manufacturing system according to claim 7, wherein the probe body includes a first sliding sleeve, a probe rod body, and a convex column connected to one end of the probe rod body, the setting seat is provided with a first installation through hole, and the first sliding sleeve is located in the first installation through hole and connected to the setting seat; the first sliding sleeve is sleeved on the probe rod body and is in sliding connection with the probe rod body; the convex column part is used for abutting against the battery cell;

the puncture drill bit comprises a drill bit body and a second sliding sleeve, a second installation through hole is formed in the setting seat, and the second sliding sleeve is located in the second installation through hole and connected with the setting seat; the second sliding sleeve is sleeved on the drill bit rod body and is in sliding connection with the drill bit rod body; the drill rod body is provided with a piercing edge part at the position adjacent to the convex column part.

9. The battery cell manufacturing system according to claim 6, wherein the fixing jig comprises a fixing jig body and an auxiliary detection block, the fixing jig body is connected to the rack, the fixing jig body is provided with a first placing groove and a second placing groove, the first placing groove and the second placing groove are communicated, the first placing groove is used for placing and positioning the battery cell, the second placing groove is used for placing the auxiliary detection block, and the auxiliary detection block is used for abutting against the aluminum-plastic film of the battery cell so as to detect a side voltage of the aluminum-plastic film of the battery cell.

10. The cell manufacturing system according to claim 6, wherein the connection base assembly includes a connection base, a first mounting block, and a second mounting block, the connection base is connected to the power driving rod of the second lifting assembly, the first mounting block and the second mounting block are slidably disposed on the connection base, the first probe assembly is mounted on the first mounting block, and the second probe assembly is mounted on the second mounting block.

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