CN115256515A - Corner cutting equipment and method for soft package battery - Google Patents
Corner cutting equipment and method for soft package battery Download PDFInfo
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- CN115256515A CN115256515A CN202210958989.1A CN202210958989A CN115256515A CN 115256515 A CN115256515 A CN 115256515A CN 202210958989 A CN202210958989 A CN 202210958989A CN 115256515 A CN115256515 A CN 115256515A
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- soft package
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/01—Means for holding or positioning work
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
- B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
- B26D7/06—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form
- B26D7/0616—Arrangements for feeding or delivering work of other than sheet, web, or filamentary form by carriages, e.g. for slicing machines
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/40—Cutting-out; Stamping-out using a press, e.g. of the ram type
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B26—HAND CUTTING TOOLS; CUTTING; SEVERING
- B26F—PERFORATING; PUNCHING; CUTTING-OUT; STAMPING-OUT; SEVERING BY MEANS OTHER THAN CUTTING
- B26F1/00—Perforating; Punching; Cutting-out; Stamping-out; Apparatus therefor
- B26F1/38—Cutting-out; Stamping-out
- B26F1/44—Cutters therefor; Dies therefor
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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- General Chemical & Material Sciences (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The application discloses laminate polymer battery corner cut equipment and cutting method relates to laminate polymer battery production technical field, and this laminate polymer battery corner cut equipment includes: a base frame; the piezoelectric cell mechanism comprises a cell pressing plate and a positioning stop block, the cell pressing plate can move along the vertical direction, the positioning stop block is arranged on one side of the cell pressing plate, and the positioning stop block is used for being abutted to the top edge of the cell; the moving assembly is arranged on one side of the base frame and comprises a moving clamp and a transverse driving mechanism, the moving clamp is used for placing the soft package battery, and the transverse driving mechanism is used for driving the moving clamp to move to a cutting station; the cutting mechanism is used for cutting the battery. The top edge is used for positioning the soft package battery, so that the corner cutting precision is improved; through excision to laminate polymer battery's apex angle to cut the excessive glue that topside and final sealing overlapped position produced, produced the condition of contact failure when effectively having avoided laminate polymer battery to carry out the transformer voltage test of topside contact mode.
Description
Technical Field
The application relates to the technical field of production of soft package batteries, in particular to a soft package battery corner cutting device and a positioning and cutting method.
Background
The soft package lithium battery has the advantages of high voltage, high specific energy, more recycling times, long storage time and the like, and is widely applied to portable electronic equipment, and also widely applied to large and medium-sized electric equipment such as electric automobiles, electric bicycles, electric tools and the like.
In the related technology, the soft package lithium battery is structurally packaged by an aluminum-plastic film, after secondary sealing and sealing, top edge glue overflow can be generated at the overlapped part of the top edge and the final sealing of the battery, and the glue overflow can generate bad contact influence on the top edge contact mode side voltage test of the battery after the edge folding at the back; in addition, when the folding roller is used for double folding of the battery, the folding roller can stretch the side edge to the top by a certain length, so that the battery cell is extended by about 0.25MM in the height direction, and the phenomena of poor size, unattractive appearance and the like are caused, so that after the soft package battery is subjected to fine sealing and fine edge cutting, the top edge sealing of the battery is subjected to a vertex angle cutting process again, which is very necessary.
However, in the existing corner cutting method for the soft package battery, the manual blade is adopted to cut the corner of the soft package battery, the precision of the corner cutting method is low, and the situations of more cutting, less cutting or unsatisfactory corner cutting are easy to occur.
Disclosure of Invention
The present application is directed to solving at least one of the problems in the prior art. Therefore, the application provides a laminate polymer battery corner cut equipment, can effectively improve the corner cut precision.
The application also provides a soft-package battery top angle cutting method based on the soft-package battery corner cutting equipment.
According to the embodiment of the first aspect of the application, the corner cutting device for the soft package battery comprises: a base frame; the piezoelectric cell mechanism is arranged on the base frame and comprises a buffer device, a cell pressing plate and a positioning stop block, the cell pressing plate can move along the vertical direction, the positioning stop block is arranged on one side of the cell pressing plate, and the positioning stop block is used for abutting against the top edge of the soft package cell; the moving assembly is arranged on one side of the base frame and comprises a moving clamp and a transverse driving mechanism, the moving clamp is used for placing the soft package battery, and the transverse driving mechanism is used for driving the moving clamp to move to a cutting station; the cutting mechanism is used for cutting the soft package battery.
According to the embodiment of the first aspect of this application, it includes first location guiding mechanism and second location guiding mechanism to remove the subassembly, it includes the side locating piece to remove anchor clamps, first location guiding mechanism is used for promoting laminate polymer battery is along being close to location dog direction removes, second location guiding mechanism is used for promoting laminate polymer battery with the side locating piece butt.
According to the embodiment of the first aspect of this application, second location adjustment mechanism includes side location cylinder and ejector pad, the ejector pad with the output fixed connection of side location cylinder, the ejector pad set up in one side of side locating piece, laminate polymer battery place in the ejector pad with between the side locating piece.
According to an embodiment of the first aspect of the present application, the battery pressing mechanism further includes a longitudinal driving mechanism, the buffering device includes a fixing plate and an elastic member, the longitudinal driving mechanism is installed on the base frame, the fixing plate is connected with an output end of the longitudinal driving mechanism, the battery pressing plate is disposed below the fixing plate, and the elastic member is disposed between the fixing plate and the battery pressing plate.
According to the embodiment of the first aspect of the application, the elastic component is a spring, the buffer device further comprises a slide bar, one end of the slide bar is fixedly connected with the battery pressing plate, the fixing plate is provided with a through hole for the slide bar to pass through, the slide bar is movably connected with the through hole, and the spring sleeve is arranged on the slide bar and is positioned between the fixing plate and the battery pressing plate.
According to the embodiment of the first aspect of the present application, the cutting mechanism includes a first cutter driving mechanism, a second cutter driving mechanism, a first upper cutter and a first lower cutter matched with the first upper cutter, the first upper cutter is connected with the output end of the first cutter driving mechanism, and the first lower cutter is connected with the output end of the second cutter driving mechanism.
According to the embodiment of the first aspect of the present application, the cutting mechanism includes a sliding guide and at least two sliding blocks slidably connected to the sliding guide, and the first upper cutter and the first lower cutter are respectively and differently fixedly connected to the sliding blocks.
According to the embodiment of the first aspect of the application, the dust collector comprises a dust collection tank and a dust collection port, wherein the dust collection port is arranged below the first upper cutter, and the dust collection tank is communicated with the dust collection port through a pipeline.
According to the embodiment of the first aspect of the present application, the number of the movable fixtures is 2, and 2 movable fixtures are arranged in parallel.
According to the embodiment of the second aspect of the application, the top corner cutting method of the soft package battery comprises the following steps:
placing the soft package battery on a fixed movable clamp, and moving the movable clamp to a cutting station;
the battery pressing plate presses the soft package battery on the movable clamp;
the first positioning adjusting mechanism pushes the bottom edge of the soft package battery to enable the top edge of the soft package battery to be abutted against the positioning stop block;
the second positioning adjusting mechanism pushes the side edge of the soft package battery, so that the other side edge of the soft package battery is abutted to the side edge positioning block of the movable clamp;
the cutting mechanism is used for cutting the top angle of the soft package battery.
According to this application embodiment's laminate polymer battery corner cut equipment, have following beneficial effect at least: according to the method, the top edge of the soft package battery is abutted to the positioning stop block to position the soft package battery, so that the corner cutting precision is improved; the top corner of the soft package battery is cut off, and the overflowing glue generated at the overlapped part of the top side and the final seal is cut off, so that the condition of poor contact during the variable voltage test in the contact mode of the top side of the soft package battery is effectively avoided; in addition, through excising laminate polymer battery's apex angle, the length excision that extends laminate polymer battery side edge direction of height is favorable to guaranteeing laminate polymer battery size's uniformity, makes laminate polymer battery outward appearance more pleasing to the eye simultaneously.
Additional aspects and advantages of the present application will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the present application.
Drawings
The present application is further described with reference to the following figures and examples, in which:
fig. 1 is a schematic structural diagram of a pouch battery corner cutting device according to an embodiment of an aspect of the present application;
fig. 2 is a schematic structural diagram of a battery pressing mechanism and a cutting mechanism in a soft package battery corner cutting device according to an embodiment of an aspect of the present application;
fig. 3 is a schematic structural diagram of a base frame and a piezoelectric cell mechanism in a corner cutting device of a pouch battery according to an embodiment of the present application;
FIG. 4 is an enlarged schematic view of portion A of FIG. 3;
fig. 5 is a schematic structural diagram of a cutting mechanism in a soft package battery corner cutting device according to an embodiment of the application;
FIG. 6 is an enlarged schematic view of portion B of FIG. 5;
fig. 7 is a schematic structural diagram of a moving assembly in a pouch battery corner cutting device according to an embodiment of the present application;
fig. 8 is a schematic structural diagram of a plurality of cutters in a corner cutting device of a pouch battery according to an embodiment of an aspect of the present application;
fig. 9 is a schematic front view of a plurality of cutters in a corner cutting device of a pouch battery according to an embodiment of an aspect of the present application;
FIG. 10 is a schematic right side view of the multiple cutters of FIG. 9;
fig. 11 is a schematic top view of the multiple cutters of fig. 9.
Reference numerals:
1. a pouch cell; 101. a top edge; 102. a vertex angle;
100. a base frame; 110. a support frame;
210. a battery pressure plate; 220. positioning a stop block; 221. a lumbar circular hole; 230. a longitudinal drive mechanism; 240. a fixing plate; 250. a spring; 260. a slide bar;
310. moving the clamp; 311. side positioning blocks; 340. a first positioning adjustment mechanism; 330. a sliding table; 320. a lateral drive mechanism; 321. a slide rail; 351. pushing a block;
400. a cutting mechanism; 410. a first upper cutter; 411. an adjustment hole; 420. a first lower cutter; 430. a first cutter drive mechanism; 440. a second cutter drive mechanism; 450. a second upper cutter; 460. a second lower cutter; 461. a cutting edge angle; 470. a third cutter drive mechanism; 480. a fourth cutter driving mechanism; 491. a sliding guide rail; 492. a slider;
500. a dust suction device; 510. a pipeline; 520. a dust collection port;
Detailed Description
Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative and are only for the purpose of explaining the present application and are not to be construed as limiting the present application.
In the description of the present application, it is to be understood that the positional descriptions, such as the directions of up, down, front, rear, left, right, etc., referred to herein are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present application.
In the description of the present application, the meaning of a plurality is one or more, the meaning of a plurality is two or more, and the above, below, exceeding, etc. are understood as excluding the present number, and the above, below, within, etc. are understood as including the present number. If there is a description of first and second for the purpose of distinguishing technical features only, this is not to be understood as indicating or implying a relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of technical features indicated.
In the description of the present application, unless otherwise specifically limited, terms such as set, installed, connected and the like should be understood broadly, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present application in combination with the specific contents of the technical solutions.
In the description of the present application, reference to the description of "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples", etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Referring to fig. 1 to 11, in an embodiment of the present application, a pouch battery corner cutting apparatus is disclosed, and the pouch battery corner cutting apparatus includes a base frame 100, a piezoelectric battery mechanism, a moving assembly, and a cutting mechanism 400.
Specifically, the piezoelectric cell mechanism is mounted on the base frame 100, the piezoelectric cell mechanism includes a buffer device, a cell pressing plate 210 and a positioning stopper 220, the cell pressing plate 210 can move along a vertical direction, the positioning stopper 220 is disposed on one side of the cell pressing plate 210, and the positioning stopper 220 is used for abutting against the top side 101 of the cell 1; the moving assembly is arranged on one side of the base frame 100, and comprises a moving clamp 310 and a transverse driving mechanism 320, wherein the moving clamp 310 is used for placing the soft package battery 1, and the transverse driving mechanism 320 is used for driving the moving clamp 310 to move to a cutting station; the cutting mechanism 400 is located at one side of the piezoelectric cell mechanism, and the cutting mechanism 400 is used for cutting the top corner 102 of the cell 1. The moving assembly further includes a sliding rail 321 and a sliding table 330 slidably connected to the sliding rail 321, and the moving fixture 310 is mounted on the sliding table 330. Further, the positioning block 220 is provided with a waist circular hole 221 transversely arranged, and a fastener is penetrated through the waist circular hole 221. When the position of the positioning stop 220 needs to be adjusted, the transverse position of the positioning stop 220 can be adjusted by loosening the fastener. The waist circular hole 221 is provided to facilitate the adjustment of the positioning block 220.
During the corner cut, place the assigned position that removes anchor clamps 310 with the laminate polymer battery 1 of treating the corner cut, horizontal actuating mechanism 320 drive removes anchor clamps 310 and removes to cutting the station to make laminate polymer battery 1's topside 101 and location dog 220 butt in order to realize the location to laminate polymer battery 1's topside 101, utilize battery clamp plate 210 to press laminate polymer battery 1 on removing anchor clamps 310 afterwards, restart cuts mechanism 400 and excises laminate polymer battery 1's apex angle 102.
In the application, the top edge 101 of the soft package battery 1 is abutted to the positioning stopper 220 to position the top edge 101 of the soft package battery 1, and then the soft package battery 1 is subjected to corner cutting work, so that the corner cutting precision is improved; the top corner 102 of the soft package battery 1 is cut off, and the excessive glue generated at the overlapped part of the top side 101 and the final seal is cut off, so that the condition of poor contact generated when the soft package battery 1 is subjected to a variable voltage test in a top side 101 contact mode is effectively avoided; in addition, through excising the apex angle 102 to laminate polymer battery 1, excise laminate polymer battery 1 side along the length that the direction of height extended, be favorable to guaranteeing laminate polymer battery 1 size's uniformity, make laminate polymer battery 1 outward appearance more pleasing to the eye simultaneously.
In some embodiments, referring to fig. 1 and 7, the moving assembly includes a first positioning adjustment mechanism 340 and a second positioning adjustment mechanism, the moving fixture 310 includes a side positioning block 311, the first positioning adjustment mechanism 340 is configured to push the pouch battery 1 to move in a direction close to the positioning stopper 220, and the second positioning adjustment mechanism is configured to push the pouch battery 1 to abut against the side positioning block 311. When the corner is cut, the soft package battery 1 is placed on the movable clamp 310, and the first positioning adjusting mechanism 340 pushes the bottom edge of the soft package battery 1, so that the top edge 101 of the soft package battery 1 is abutted against the positioning stopper 220, and the positioning of the top edge 101 of the soft package battery 1 is realized; the second positioning adjusting mechanism pushes the side edge of the soft package battery 1 to enable the other side edge of the soft package battery 1 to be abutted to the side edge positioning block 311, so that the side edge of the soft package battery 1 is positioned; during the positioning process of the pouch battery 1, the battery pressing plate 210 slightly presses the pouch battery 1 to prevent the pouch battery 1 from being pushed out of the moving fixture 310 during the positioning process. Utilize the topside 101 and the side of laminate polymer battery 1 to fix a position laminate polymer battery 1, then utilize and cut mechanism 400 and carry out the corner cut, can reduce the tool setting action before cutting to effectively guarantee to cut the cutting precision of mechanism 400 to laminate polymer battery 1 apex angle 102.
As an example, referring to fig. 1 and 7, the first positioning adjustment mechanism includes a top edge positioning cylinder and a bottom edge pushing block 351 connected to an output end of the top edge positioning cylinder.
As an embodiment, please refer to fig. 1 and fig. 7, the second positioning adjustment mechanism includes a side positioning cylinder and a push block 351, the push block 351 is fixedly connected to an output end of the side positioning cylinder 351, the push block 351 is disposed at one side of the side positioning block 311, and the pouch battery 1 is disposed between the push block 351 and the side positioning block 311.
In some embodiments, referring to fig. 2 to 4, the piezoelectric cell mechanism further includes a longitudinal driving mechanism 230 and a supporting frame 110, the supporting frame 110 is mounted on the base frame 100, the longitudinal driving mechanism 230 is mounted on the supporting frame 110, the buffering device includes a fixing plate 240 and an elastic member, the longitudinal driving mechanism 230 is mounted on the base frame 100, the fixing plate 240 is connected to an output end of the longitudinal driving mechanism 230, the cell pressing plate 210 is disposed below the fixing plate 240, and the elastic member is disposed between the fixing plate 240 and the cell pressing plate 210. Since the elastic member is disposed between the cell pressing plate 210 and the fixing plate 240, when the cell pressing plate 210 receives a support reaction force of the pouch cell 1, the elastic member can be compressed, so that the distance between the cell pressing plate 210 and the fixing plate 240 is reduced. That is to say, after the battery pressing plate 210 abuts against the upper surface of the pouch battery 1, even if the longitudinal driving mechanism 230 continues to move downward for a certain distance, the pressure applied to the upper surface of the pouch battery 1 can still be maintained within a certain range, so that the situation that the pouch battery 1 is crushed by the battery pressing plate 210 is effectively avoided. In this embodiment, the battery clamp plate is pressed behind laminate polymer battery 1's top, utilizes first location guiding mechanism 340 and second location guiding mechanism again to promote laminate polymer battery 1 in order to realize laminate polymer battery 1's location work. Because the setting of elastic component for distance between battery clamp plate and the fixed plate 240 is adjustable, even the voltage clamp plate presses on laminate polymer battery 1's upper surface, first location guiding mechanism 340 and second location guiding mechanism still can promote laminate polymer battery 1, thereby made things convenient for laminate polymer battery 1 to adjust in the big position of removal tool, in order to realize laminate polymer battery 1's positioning work.
In this embodiment, referring to fig. 4, the elastic member is a spring 250, the buffering device further includes a sliding rod 260, one end of the sliding rod 260 is fixedly connected to the battery pressing plate 210, the fixing plate 240 is provided with a through hole for the sliding rod 260 to pass through, the sliding rod 260 is movably connected to the through hole, and the spring 250 is sleeved on the sliding rod 260 and located between the fixing plate 240 and the battery pressing plate 210.
Wherein, in the battery clamp plate 210 in-process that pushes down, spring 250 is compressed, can play the cushioning effect and adjust the pressure size that laminate polymer battery 1 received to avoid battery clamp plate 210 to crush laminate polymer battery 1. During work, after the soft package battery 1 to be subjected to corner cutting is placed in the movable clamp 310, the movable clamp 310 is moved to a cutting station, then the longitudinal driving mechanism 230 drives the fixing plate 240, the spring 250 and the battery pressing plate 210 to integrally move downwards, and after the battery pressing plate 210 is abutted to the top end face of the soft package battery 1, the longitudinal driving mechanism 230 continues to act until the spring 250 between the battery pressing plate 210 and the fixing plate 240 is in a compressed state, and then the longitudinal driving mechanism 230 stops acting; then the first positioning and adjusting mechanism pushes the bottom edge of the soft package battery 1 to enable the soft package battery 1 to move along the direction close to the positioning stop block 220 until the top edge 101 of the soft package battery 1 is abutted against the positioning stop block 220, and at the moment, the positioning work of the top edge 101 of the soft package battery 1 is completed; at last, the side positioning cylinder of the second adjusting mechanism drives the pushing block 351 to push the side of the soft package battery 1, so that the soft package battery 1 moves towards one side close to the side positioning block 311 until the other side of the soft package battery 1 abuts against the side positioning block 311, and the positioning of the side of the soft package battery 1 is completed at the moment.
In the positioning process, the battery pressing plate 210 lightly presses the upper surface of the pouch battery 1 all the time, so that the pouch battery 1 is prevented from being pushed out of the movable fixture 310; meanwhile, due to the arrangement of the spring 250, the pressure between the battery pressing plate 210 and the surface of the soft package battery 1 can be changed, so that the position of the soft package battery 1 can still be adjusted by the first adjusting mechanism and the second adjusting mechanism under the condition that the soft package battery 1 is slightly pressed by the battery pressing plate 210, and the soft package battery 1 can be accurately positioned.
Wherein, the actuating mechanism of first guiding mechanism selects to be the cylinder, and the output of this cylinder is used for the base butt with laminate polymer battery 1 to be used for promoting laminate polymer battery 1 to remove so that laminate polymer battery 1's topside 101 and location dog 220 butt.
In some embodiments, referring to fig. 5 to 7, the cutting mechanism 400 includes a first cutter driving mechanism 430, a second cutter driving mechanism 440, a first upper cutter 410, and a first lower cutter 420 matching with the first upper cutter 410, the first upper cutter 410 is connected to an output end of the first cutter driving mechanism 430, the first lower cutter 420 is connected to an output end of the second cutter driving mechanism 440, and the first lower cutter 420 and the first upper cutter 410 are used for cutting the left top corner 102 of the pouch battery 1. Specifically, the cutting mechanism 400 further includes a third cutter driving mechanism 470, a fourth cutter driving mechanism 480, a second upper cutter 450 and a second lower cutter 460, the third cutter driving mechanism 470 is used for driving the second upper cutter 450 to move downwards, the fourth cutter driving mechanism 480 is used for driving the second lower cutter 460 to move upwards, and the second upper cutter 450 and the second lower cutter 460 are used for cutting the right vertex angle 102 of the pouch battery 1. Wherein the first lower cutter 420 and the second lower cutter 460 each have a cutting edge 461. Furthermore, the first upper cutter 410, the second upper cutter 450, the first lower cutter 420 and the second lower cutter 460 are all provided with an adjusting hole 411, and the adjusting hole 411 extends transversely in a runway shape, so that the transverse position of the cutter can be conveniently adjusted.
When cutting, the second cutter driving mechanism 440 drives the first lower cutter 420 to move upwards, so that the top end face of the first lower cutter 420 is abutted against the bottom section of the soft package battery 1 to be cut at the corner, and the first cutter driving mechanism 430 drives the first cutter to move downwards so as to cut off the left top corner of the soft package battery 1; similarly, the fourth cutter driving mechanism 480 drives the second lower cutter 460 to move upwards, so that the top end face of the second lower cutter 460 is abutted against the ground of the pouch battery 1, and the third cutter driving mechanism 470 drives the second upper cutter 450 to move downwards, so as to cut off the right top corner of the pouch battery 1, as shown in fig. 7. It should be understood that the top corner 102 of the pouch cell 1 includes a left top corner and a right top corner, and the above description of "left" or "right" is an exemplary illustration based on fig. 7 and should not be construed as a limitation to the present embodiment.
In some embodiments, referring to fig. 6, the cutting mechanism 400 includes a sliding guide 491 and at least two sliders 492 slidably connected to the sliding guide 491, and the first upper cutting blade 410 and the first lower cutting blade 420 are respectively fixedly connected to the different sliders 492. First go up cutter 410 and first under cutter 420 and pass through different slider 492 and same sliding guide 491 sliding connection respectively, can make first go up cutter 410 and first under cutter 420 and remove on same extending direction to make first go up cutter 410 and first under cutter 420 and amputate apex angle 102 of laminate polymer battery 1 smoothly, effectively avoided the in-process that cuts to appear cutting constantly, have the circumstances such as drape over one's shoulders cutting edge of a knife or leaking metal. It should be understood that the second upper cutter 450 and the second lower cutter 460 are also slidably coupled to the other slide rail 491 by different sliders 492.
In some embodiments, referring to fig. 5 and 6, the pouch battery corner cutting apparatus further includes a dust suction device 500, the dust suction device 500 includes a dust suction tank and a dust suction port 520, the dust suction port 520 is disposed below the first upper cutter 410, and the dust suction tank is communicated with the dust suction port 520 through a pipe 510. Simultaneously with the corner cutting, the dust suction device 500 is started, the cut leftover materials enter the dust suction tank from the dust suction port 520, and then are filtered by the filter in the dust suction tank, so that the phenomenon that the cut metal fragments fall off is reduced.
In some embodiments, referring to fig. 1 and 7, the number of the movable clamps 310 is at least 2, and at least 2 movable clamps 310 are arranged in parallel, so that the corner cutting work of at least two soft package batteries 1 can be completed simultaneously, and the production efficiency is greatly improved.
The embodiment of the second aspect of the application discloses a method for cutting the vertex angle of a soft package battery, which comprises the following steps: placing the soft package battery 1 on a fixed movable clamp 310, and moving the movable clamp 310 to a cutting station; the battery pressing plate 210 presses the soft package battery 1 on the movable clamp 310; the first positioning adjusting mechanism pushes the bottom edge of the soft package battery 1 to enable the top edge 101 of the soft package battery 1 to be abutted to the positioning stop block 220; the second positioning and adjusting mechanism pushes the side edge of the soft package battery 1, so that the other side edge of the soft package battery 1 is abutted to the side edge positioning block 311 of the movable clamp 310; the cutting mechanism 400 cuts the top corner 102 of the soft package battery 1 to complete the corner cutting work.
In this embodiment, the top edge 101 and the side edge of the pouch battery 1 are used for positioning, and then the top corner 102 of the pouch battery 1 is cut off by the cutting mechanism 400, so that the corner cutting precision of the cutting mechanism 400 can be improved, and the situation that the cutting mechanism 400 is cut more or less is effectively avoided. Through carrying out corner cut work to battery 1, effectively avoided laminate polymer battery 1 to appear contact failure's condition in follow-up limit voltage test, also improved laminate polymer battery 1 side problem bad in size behind the double folds simultaneously.
The embodiments of the present application have been described in detail with reference to the drawings, but the present application is not limited to the embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application. Furthermore, the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
Claims (10)
1. The utility model provides a laminate polymer battery corner cut equipment which characterized in that includes:
a base frame;
the piezoelectric cell mechanism is arranged on the base frame and comprises a buffer device, a cell pressing plate and a positioning stop block, the cell pressing plate can move along the vertical direction, the positioning stop block is arranged on one side of the cell pressing plate, and the positioning stop block is used for abutting against the top edge of the soft package cell;
the moving assembly is arranged on one side of the base frame and comprises a moving clamp and a transverse driving mechanism, the moving clamp is used for placing the soft package battery, and the transverse driving mechanism is used for driving the moving clamp to move to a cutting station;
cut the mechanism, it is used for cutting to cut the laminate polymer battery cuts the mechanism.
2. The laminate polymer battery corner cut equipment according to claim 1, wherein the moving assembly comprises a first positioning adjusting mechanism and a second positioning adjusting mechanism, the moving clamp comprises a side edge positioning block, the first positioning adjusting mechanism is used for pushing the laminate polymer battery to move in a direction close to the positioning stop block, and the second positioning adjusting mechanism is used for pushing the laminate polymer battery to abut against the side edge positioning block.
3. The laminate polymer battery corner cut equipment of claim 2, wherein the second positioning and adjusting mechanism comprises a side positioning cylinder and a push block, the push block is fixedly connected with the output end of the side positioning cylinder, the push block is arranged on one side of the side positioning block, and the laminate polymer battery is arranged between the push block and the side positioning block.
4. The corner cutting mechanism for the soft package battery according to claim 1, wherein the battery pressing mechanism further comprises a longitudinal driving mechanism, the buffer device comprises a fixing plate and an elastic member, the longitudinal driving mechanism is mounted on the base frame, the fixing plate is connected with an output end of the longitudinal driving mechanism, the battery pressing plate is disposed below the fixing plate, and the elastic member is disposed between the fixing plate and the battery pressing plate.
5. The laminate polymer battery corner cut equipment of claim 4, characterized in that, the elastic component is the spring, buffer still includes the slide bar, the one end of slide bar with battery clamp plate fixed connection, the fixed plate is provided with the through-hole that supplies the slide bar to pass, the slide bar with through-hole swing joint, the spring housing is located the slide bar just is located between fixed plate and the battery clamp plate.
6. The laminate battery corner cutting device according to claim 1, wherein the cutting mechanism comprises a first cutter driving mechanism, a second cutter driving mechanism, a first upper cutter and a first lower cutter matched with the first upper cutter, the first upper cutter is connected with the output end of the first cutter driving mechanism, and the first lower cutter is connected with the output end of the second cutter driving mechanism.
7. The laminate polymer battery corner cutting device according to claim 6, wherein the cutting mechanism comprises a sliding guide rail and at least two sliders in sliding connection with the sliding guide rail, and the first upper cutter and the first lower cutter are respectively and fixedly connected with different sliders.
8. The laminate polymer battery corner cut equipment of claim 6 or 7, further comprising a dust suction device, wherein the dust suction device comprises a dust suction tank and a dust suction port, the dust suction port is arranged below the first upper cutter, and the dust suction tank is communicated with the dust suction port through a pipeline.
9. The pouch cell corner cut device according to claim 1, wherein the number of the movable clamps is at least 2, and at least 2 movable clamps are arranged in parallel.
10. A soft package battery top corner cutting method is characterized by comprising the following steps:
placing the soft package battery on a fixed movable clamp, and moving the movable clamp to a cutting station;
the battery pressing plate presses the soft package battery on the movable clamp;
the first positioning adjusting mechanism pushes the bottom edge of the soft package battery to enable the top edge of the soft board battery to be abutted against the positioning stop block;
the second positioning adjusting mechanism pushes the side edge of the soft package battery, so that the other side edge of the soft package battery is abutted to the side edge positioning block of the movable clamp;
the cutting mechanism is used for cutting the top angle of the soft package battery.
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| CN202210958989.1A CN115256515B (en) | 2022-08-10 | 2022-08-10 | Corner cutting equipment and cutting method for soft package battery |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210958989.1A CN115256515B (en) | 2022-08-10 | 2022-08-10 | Corner cutting equipment and cutting method for soft package battery |
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| CN115256515B CN115256515B (en) | 2023-07-04 |
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|---|---|
| CN115256515B (en) | 2023-07-04 |
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