CN113399556A - Lithium battery pole piece blanking device and method - Google Patents
Lithium battery pole piece blanking device and method Download PDFInfo
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- CN113399556A CN113399556A CN202110679538.XA CN202110679538A CN113399556A CN 113399556 A CN113399556 A CN 113399556A CN 202110679538 A CN202110679538 A CN 202110679538A CN 113399556 A CN113399556 A CN 113399556A
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- lithium battery
- battery pole
- groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D19/00—Flanging or other edge treatment, e.g. of tubes
- B21D19/005—Edge deburring or smoothing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/04—Centering the work; Positioning the tools
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D28/00—Shaping by press-cutting; Perforating
- B21D28/02—Punching blanks or articles with or without obtaining scrap; Notching
- B21D28/14—Dies
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/04—Processes of manufacture in general
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/139—Processes of 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical Kinetics & Catalysis (AREA)
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- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
Abstract
The invention relates to the field of lithium battery processing, in particular to a lithium battery pole piece blanking device and a blanking method, and the lithium battery pole piece blanking device comprises a base, wherein a first pressing block is arranged on the base, a first cutting groove with a zigzag structure is formed in the first pressing block, a supporting plate is sleeved on the outer side of the first pressing block, the top of the supporting plate is flush with the top of the first pressing block, a first through groove is formed in the supporting plate and corresponds to the first pressing block, a plurality of first spring rods are arranged on the base and below the supporting plate, the output ends of the first spring rods are fixedly arranged at the bottom of the supporting plate, a mounting frame is arranged on the base and above the supporting plate, the bottom of the mounting frame is provided with a groove, the shape of the groove is consistent with that of the first through groove, a second pressing block is inserted in the groove, and the second pressing block is arranged corresponding to the first pressing block. The invention can shape the lithium battery pole pieces when blanking the lithium battery pole pieces in batch, and is suitable for popularization.
Description
Technical Field
The invention relates to the field of lithium battery processing, in particular to a lithium battery pole piece blanking device and a lithium battery pole piece blanking method.
Background
A lithium battery is a type of battery using a nonaqueous electrolyte solution, using lithium metal or a lithium alloy as a positive/negative electrode material. The existing lithium battery has pole pieces which are important parts of the battery and are divided into a positive pole piece and a negative pole piece, wherein the positive pole piece is formed by coating slurry containing lithium ions on aluminum platinum, the negative pole piece is formed by coating slurry of which the main component is graphite on copper platinum, the shape of the negative pole piece is mostly in an L-shaped structure, and a pole lug is reserved on each pole piece.
When the prior lithium battery pole piece is produced, a cutter is mostly adopted to cut the whole raw material so as to form the lithium battery pole piece, when the lithium battery pole piece is cut by the processing method, a large amount of leftover materials are usually left, the leftover materials are generally scattered, the independent cutting wastes time and labor, the cutting cost is greatly improved, therefore, the leftover materials are usually overlapped together and then cut by a blanking mode, the material of the lithium battery pole piece is generally softer and lighter, and the existing blanking device, during blanking, the leftover materials of the lithium battery pole pieces are easy to deform or shift, the quality of the lithium battery pole pieces is greatly reduced, and meanwhile, after the lithium battery pole pieces are blanked and formed, burrs are usually left on the edge part of the lithium battery pole piece, the quality of the lithium battery pole piece is further reduced due to the burrs, and inconvenience is brought to blanking of the lithium battery pole piece.
Disclosure of Invention
In order to solve the problems, the invention provides a lithium battery pole piece blanking device and a blanking method, which can be used for shaping lithium battery pole pieces during batch blanking of the lithium battery pole pieces, prevent the lithium battery pole pieces from deforming or moving in the blanking process, greatly improve the processing quality of the lithium battery pole pieces, and can be used for polishing the edges of the lithium battery pole pieces after the blanking is finished, removing burrs and further improving the processing quality of the lithium battery pole pieces.
In order to achieve the above purpose, the invention adopts the following technical scheme that the lithium battery pole piece blanking processing device comprises a base, wherein a first pressing block is arranged on the base, a first cutting groove with a zigzag structure is formed in the first pressing block, a supporting plate is sleeved on the outer side of the first pressing block, the top of the supporting plate is flush with the top of the first pressing block, a first through groove is formed in the supporting plate, the first through groove and the first pressing block are correspondingly arranged, a plurality of first spring rods are arranged on the base and below the supporting plate, the output ends of the first spring rods are fixedly arranged at the bottom of the supporting plate, the laminated lithium battery pole pieces can be supported through the first pressing block and the supporting plate, and the supporting plate can be supported through the first spring rods and can be driven to lift.
A mounting frame is arranged on the base and above the supporting plate, a groove is formed in the bottom of the mounting frame, the shape of the groove is consistent with that of the first through groove, a second pressing block is inserted into the groove and arranged corresponding to the first pressing block, a second cutting groove with a zigzag structure is formed in the bottom of the second pressing block, the second cutting groove is aligned with the first cutting groove, a first cutter with a zigzag structure is inserted into the second cutting groove, a first hydraulic cylinder is arranged in the groove and above the second pressing block, the output end of the first hydraulic cylinder is fixedly mounted at the top of the second pressing block, the second pressing block can be connected and lifted through the mounting frame, lithium battery pole piece raw materials placed on the first pressing block and the supporting plate can be pressed through lifting of the second pressing block, so that it is fixed.
The bottom of mounting bracket is provided with the clamp plate, be provided with No. two logical grooves on the clamp plate, No. two logical grooves with the structure of recess is unanimous and is linked together, the both ends of a cutter all extend No. two grooving fixed mounting are in on No. two the inner wall that leads to the groove, the top of a cutter with No. two the inner wall top that leads to the groove flushes, the bottom of clamp plate is followed No. two the border that leads to the groove is provided with No. two cutters, the inner wall of No. two cutters with the outer wall of No. two briquettings contacts, through the clamp plate can drive No. one the cutter with No. two the cutter goes up and down, carries out the blanking to the lithium-ion battery pole piece raw materials.
As a preferable technical scheme of the invention, the outer wall of the first cutter and the inner wall of the second cutter are both provided with polishing sheets.
As a preferred technical scheme of the invention, the top edge of the supporting plate is provided with a baffle plate with a semicircular structure, the baffle plate is provided with a plurality of insertion holes, insertion rods are inserted into the insertion holes, one ends of the insertion rods extend to the upper side of the supporting plate and are fixedly provided with limiting plates, and one sides of the limiting plates, far away from the insertion rods, are of circular arc structures.
As a preferred technical scheme of the invention, the inserted rods are provided with a plurality of limiting grooves in a linear distribution manner, the inner walls of the insertion holes are provided with spring clamping blocks, and the spring clamping blocks are respectively clamped with the limiting grooves correspondingly arranged.
As a preferred technical scheme of the invention, a plurality of cylinders are arranged in the supporting plate, the output ends of the cylinders penetrate through the supporting plate and extend into the first through groove, and are fixedly provided with clamping teeth, a plurality of tooth grooves which are vertically arranged are arranged on the outer wall of the first pressing block, and the clamping teeth are respectively clamped in the tooth grooves which are correspondingly arranged.
As a preferable technical proposal of the invention, the top of the first pressing block is provided with a plurality of circular grooves, the circular grooves are all provided with a third spring rod, the tops of the third spring rods and the circular grooves are all fixedly provided with pressing sheets, the top of the pressing sheet extends out of the corresponding circular groove, the bottom of the third spring rod is of an inclined structure, a plurality of spring plates are arranged in the first pressing block, one side of each spring plate is of an inclined structure and is in contact with the corresponding third spring rod, the outer walls of the first pressing blocks are all connected with extrusion plates in a sliding way, the bottoms of the extrusion plates are all provided with clamping blocks with arc structures, one side of the spring plate, which is far away from the third spring rod, penetrates through the first pressing block and is provided with a clamping groove of an arc-shaped structure, and the clamping grooves are correspondingly connected with the clamping blocks in a clamped mode.
As a preferred technical scheme of the invention, a support is arranged at the top of the mounting frame, a second hydraulic cylinder is fixedly mounted on the support, a linkage frame is fixedly mounted at the output end of the second hydraulic cylinder, a plurality of pressure rods are arranged at the bottom of the linkage frame, and the pressure rods respectively penetrate through the mounting frame and are fixedly mounted at the top of the pressure plate.
In addition, the invention also provides a lithium battery pole piece blanking method, which comprises the following steps:
s1, device check: before the lithium battery pole piece blanking processing device is started to blank the lithium battery pole pieces, the device is subjected to operation inspection;
s2, adding the following raw materials: overlapping the leftover materials of a plurality of lithium battery pole piece raw materials, and placing the overlapped leftover materials on a first pressing block and a supporting plate in the lithium battery pole piece blanking processing device which is checked in the step S1;
s3, pressing and clamping: operating the first hydraulic cylinder to push the second pressing block to press downwards, pressing and fixing the lithium battery pole piece raw materials placed on the first pressing block and the supporting plate in the S2;
s4, blanking and forming: after the raw material of the lithium battery pole piece in the S3 is pressed and fixed, the operation pressing plate is pressed down to drive the first cutter and the second cutter to punch the lithium battery pole piece.
The invention has the beneficial effects that:
1. the invention can shape the lithium battery pole pieces when blanking the lithium battery pole pieces in batch, avoids the lithium battery pole pieces from deforming or moving in the blanking process, greatly improves the processing quality of the lithium battery pole pieces, and can simultaneously polish the edges of the lithium battery pole pieces after the blanking is finished, remove burrs and further improve the processing quality of the lithium battery pole pieces.
2. The first pressing block and the second pressing block are designed, the raw material of the lithium battery pole piece can be rapidly clamped and fixed through the first pressing block and the second pressing block, meanwhile, a limited area on the raw material of the lithium battery pole piece can be protected, the lithium battery pole piece is prevented from being deformed or bent during blanking, and when the raw material of the lithium battery pole piece is pressed, the edge of the blanking area on the lithium battery pole piece can be further pressed through the extrusion plate on the first pressing block, the blanking edge of the lithium battery pole piece is prevented from being bent, and the processing efficiency and the quality of the lithium battery pole piece are greatly improved.
3. The invention designs the pressing plate, the first cutter and the second cutter can be driven to press down by pressing down the pressing plate, raw materials of the lithium battery pole piece pressed between the first pressing block and the second pressing block are punched, after the lithium battery pole piece is punched by the first cutter and the second cutter, under the continuous pressing action of the first cutter and the second cutter, the grinding sheets on the first cutter and the second cutter can be in contact with the edge of the punched lithium battery pole piece, the edge of the lithium battery pole piece can be ground, burrs generated by punching are removed, and the processing quality of the lithium battery pole piece is further improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective cutaway view of the present invention;
FIG. 3 is a schematic perspective view of a first press block of the present invention;
FIG. 4 is an enlarged partial schematic view of the invention at A of FIG. 3;
FIG. 5 is a schematic perspective view of a pallet of the present invention;
FIG. 6 is a schematic perspective view of a second press block of the present invention;
FIG. 7 is an enlarged partial schematic view of FIG. 6 of the present invention;
FIG. 8 is a schematic plan view of the platen of the present invention;
FIG. 9 is a schematic view of a partial cross-sectional structure of a first press block of the present invention;
FIG. 10 is a schematic view in partial cross-section of a pallet of the present invention;
FIG. 11 is a schematic view in partial cross-section of a baffle of the present invention;
fig. 12 is a partial sectional structural view of the first cutter of the present invention.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings. It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict.
As shown in fig. 1 to 12, a lithium battery pole piece blanking processing device includes a base 1, and base 1 is last to be provided with a briquetting 2, and a grooving 21 of zigzag structure is seted up on a briquetting 2, and base 1 is used for playing the supporting role, and a briquetting 2 is used for bearing lithium battery pole piece raw materials, and a grooving 21 is used for cooperating the blanking of lithium battery pole piece.
The top of the first pressing block 2 is provided with a plurality of circular grooves 5, the circular grooves 5 are internally provided with three spring rods 51, pressing sheets 52 are fixedly arranged at the tops of the three spring rods 51 and positioned in the circular grooves 5, the tops of the pressing sheets 52 extend out of the circular grooves 5 correspondingly, the bottoms of the three spring rods 51 are all of inclined structures, a plurality of spring plates 53 are arranged in the first pressing block 2, one sides of the spring plates 53 are all of inclined structures and are contacted with the three spring rods 51 correspondingly arranged, extrusion plates 54 are slidably connected on the outer wall of the first pressing block 2, the bottoms of the extrusion plates 54 are all fixture blocks 55 provided with arc structures, one sides of the spring plates 53 far away from the three spring rods 51 are all penetrated through the first pressing block 2 and are provided with clamping grooves 56 of arc structures, the clamping grooves 56 are respectively clamped with the correspondingly arranged fixture blocks 55, when lithium battery pole pieces placed on the first pressing block 2 are pressed, can press preforming 52 in meeting circular slot 5, press No. three spring levers 51, No. three spring levers 51 receive and press down, can extrude spring plate 53, spring plate 53 receives the extrusion and can produce the removal, drive draw-in groove 56 and remove, separate with fixture block 55, can contact with spring plate 53's top after fixture block 55 breaks away from draw-in groove 56, make stripper plate 54 rise, further extrusion is carried out to the blanking department of pressing the lithium-ion battery pole piece raw materials on briquetting 2, avoid lithium-ion battery pole piece to produce when the blanking crooked.
The outside cover of briquetting 2 is equipped with layer board 22, the top of layer board 22 flushes with the top of briquetting 2, be provided with a logical groove 23 on the layer board 22, a logical groove 23 corresponds the setting with a briquetting 2, the below that is located layer board 22 on the base 1 is provided with a plurality of spring levers 24, the equal fixed mounting in the bottom of layer board 22 of the output of a spring lever 24, layer board 22 is used for joining in marriage a briquetting 2 and carries out the bearing to lithium-ion battery pole piece raw materials, a logical groove 23 is used for making layer board 22 cover establish in the outside of briquetting 2, a spring lever 24 is used for supporting layer board 22 and drives it and goes up and down.
The top border of layer board 22 is provided with semicircle loop configuration's baffle 25, be provided with a plurality of jacks 26 on the baffle 25, it is equipped with inserted bar 27 all to insert in the jack 26, the one end of inserted bar 27 all extends to the top of layer board 22 and fixed mounting has limiting plate 28, one side that inserted bar 27 was kept away from to limiting plate 28 is convex structure, baffle 25 is used for avoiding stacking back lithium battery pole piece raw materials to produce the landing, jack 26 is used for inserting and establishes inserted bar 27, inserted bar 27 is used for driving limiting plate 28 and removes, can carry out preliminary spacing to placing the lithium battery pole piece raw materials on layer board 22 through limiting plate 28, avoid stacking back lithium battery pole piece raw materials too in disorder, influence lithium battery pole piece's blanking effect, and simultaneously, can adjust according to the size of lithium battery pole piece raw materials, have higher adaptability.
All be provided with a plurality of spacing grooves 271 for straight line distribution on the inserted bar 27, all be provided with spring fixture block 261 on the inner wall of jack 26, spring fixture block 261 respectively with correspond the spacing groove 271 looks joint that sets up, spacing groove 271 cooperation spring fixture block 261 can be after the telescopic movement of inserted bar 27, fix a position inserted bar 27, avoid inserted bar 27 to drive limiting plate 28 and produce and slide.
Be provided with a plurality of cylinders 221 in the layer board 22, the output of cylinder 221 all runs through layer board 22 and extends to a logical inslot 23 and fixed mounting has latch 222, be provided with the tooth's socket 29 of a plurality of perpendicular settings on the outer wall of briquetting 2, latch 222 joint respectively is in the tooth's socket 29 that corresponds the setting, cylinder 221 is used for driving latch 222 and stretches out and draws back, peg graft and separate with tooth's socket 29, joint through latch 222 and tooth's socket 29, can fix a position layer board 22, avoid after the blanking, layer board 22 rises automatically, the waste material after the drive blanking mixes with the lithium cell pole piece after the shaping after the blanking, influence the collection of lithium cell pole piece.
An installation frame 3 is arranged on the base 1 and above the supporting plate 22, a groove 31 is formed in the bottom of the installation frame 3, the shape of the groove 31 is consistent with that of the first through groove 23, a second pressing block 32 is inserted into the groove 31, the second pressing block 32 is arranged corresponding to the first pressing block 2, a second cutting groove 33 of a zigzag structure is formed in the bottom of the second pressing block 32, the second cutting groove 33 is aligned with the first cutting groove 21, a first cutter 34 of the zigzag structure is inserted into the second cutting groove 33, a first hydraulic cylinder 35 is arranged in the groove 31 and above the second pressing block 32, the output end of the first hydraulic cylinder 35 is fixedly installed at the top of the second pressing block 32, the groove 31 in the installation frame 3 is used for inserting the second pressing block 32, the second pressing block 32 can be lifted under the driving of the first hydraulic cylinder 35, and can press lithium battery pole piece raw materials placed on the first pressing block 2 and the supporting plate 22, make it fixed to appointed region on the lithium-ion battery pole piece raw materials protects, No. two grooving 33 are used for inserting and establish cutter 34, and cutter 34 is used for cutting lithium-ion battery pole piece raw materials, makes two lithium-ion battery pole pieces of punching out on same lithium-ion battery pole piece raw materials, has improved the availability factor of lithium-ion battery pole piece raw materials.
The bottom of the mounting frame 3 is provided with a pressing plate 4, the pressing plate 4 is provided with a second through groove 41, the second through groove 41 is consistent with and communicated with the groove 31 in structure, two ends of a first cutter 34 extend out of a second cutting groove 33 and are fixedly arranged on the inner wall of the second through groove 41, the top of the first cutter 34 is flush with the top of the inner wall of the second through groove 41, the bottom of the pressing plate 4 is provided with a second cutter 42 along the edge of the second through groove 41, the inner wall of the second cutter 42 is contacted with the outer wall of a second pressing block 32, the second through groove 41 can lead the pressing plate 4 to be sleeved outside the first pressing block 2 and the second pressing block 32 and drive the second cutter 42 to be contacted with the outer walls of the first pressing block 2 and the second pressing block 32, the first cutter 34 and the second cutter 42 can be driven by the lifting of the pressing plate 4 to punch the lithium battery pole piece raw material fixed between the first pressing block 2 and the second pressing block 32.
All be provided with the polishing piece 44 on the outer wall of cutter 34 and on the inner wall of cutter 42 No. two, cut into the lithium-ion battery pole piece raw materials after the pile with cutter No. two, can drive polishing piece 44 and polish the blanking department of lithium-ion battery pole piece.
The top of mounting bracket 3 is provided with support 6, fixed mounting has pneumatic cylinder 61 No. two on support 6, the output fixed mounting of pneumatic cylinder 61 has linkage 62 No. two, linkage 62's bottom is provided with a plurality of depression bars 63, depression bar 63 runs through mounting bracket 3 fixed mounting respectively at the top of clamp plate 4, support 6 is used for fixed pneumatic cylinder 61 No. two, pneumatic cylinder 61 goes up and down through flexible drive linkage 62 and depression bar 63 No. two, depression bar 63 goes up and down and can press down clamp plate 4, make clamp plate 4 keep balance and push down, can improve the blanking effect of cutter 34 and cutter 42 No. two.
In addition, the invention also provides a lithium battery pole piece blanking method, which comprises the following steps:
s1, device check: before the lithium battery pole piece blanking processing device is started to blank the lithium battery pole pieces, the device is subjected to operation inspection;
s2, adding the following raw materials: firstly, the inserted rod 27 is shifted according to the size of the leftover materials of the lithium battery pole pieces to drive the limiting plate 28 to move, the position of the limiting plate 28 is adjusted, after the adjustment of the limiting plate 28 is completed, the inserted rod 27 is positioned through the spring fixture block 261 and the limiting groove 271, a plurality of leftover materials of the lithium battery pole pieces are mutually overlapped and then placed on the first pressing block 2 and the supporting plate 22 in the checked lithium battery pole piece blanking processing device in the S1, the adjusted limiting plate 28 can limit the leftover materials of the lithium battery pole pieces to a certain degree, and the phenomenon that the leftover materials of the lithium battery pole pieces which are stacked are scattered too much is avoided;
s3, pressing and clamping: operating the first hydraulic cylinder 35 to push the second press block 32 to press downwards, pressing and fixing the lithium battery pole piece raw materials placed on the first press block 2 and the supporting plate 22 in the step S2, pressing the press sheet 52 into the circular groove 5 after the lithium battery pole piece raw materials placed on the first press block 2 are pressed, pressing the third spring rod 51, pressing and descending the third spring rod 51 to extrude the spring plate 53, wherein the spring plate 53 is extruded to move to drive the clamping groove 56 to move and separate from the clamping block 55, and when the clamping block 55 is separated from the clamping groove 56, the clamping block 55 is contacted with the top of the spring plate 53 to lift the extrusion plate 54, further extruding the blanking part of the lithium battery pole piece raw materials pressed on the first press block 2, so as to avoid bending of the lithium battery pole piece during blanking;
s4, blanking and forming: when the lithium battery pole piece raw materials in above-mentioned S3 is pressed fixed the back, operating press plate 4 pushes down, drive cutter 34 and No. two cutters 42 and carry out the blanking to lithium battery pole piece, when clamp plate 4 pushes down, No. two cutters 42 can contact with lithium battery pole piece raw materials one step earlier, and punch to lithium battery pole piece raw materials, at this moment, clamp plate 4 continues to push down, cover the outside of establishing the lithium battery pole piece after the blanking through No. two logical groove 41, carry on spacingly to the lithium battery pole piece after the blanking, at this moment, clamp plate 4 continues to push down, drive cutter 34 and contact through the lithium battery pole piece of blanking, when clamp plate 4 continues to push down, can drive cutter 34 and cut the lithium battery pole piece through the blanking, cut two lithium battery pole pieces on making same lithium battery pole piece raw materials, very big improvement lithium battery pole piece' S machining efficiency.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. The utility model provides a lithium battery pole piece blanking processingequipment, includes base (1), its characterized in that: the base (1) is provided with a first pressing block (2), the first pressing block (2) is provided with a first cutting groove (21) with a zigzag structure, a supporting plate (22) is sleeved on the outer side of the first pressing block (2), the top of the supporting plate (22) is flush with the top of the first pressing block (2), a first through groove (23) is formed in the supporting plate (22), the first through groove (23) is arranged corresponding to the first pressing block (2), a plurality of first spring rods (24) are arranged on the base (1) and below the supporting plate (22), and the output ends of the first spring rods (24) are fixedly mounted at the bottom of the supporting plate (22);
a mounting rack (3) is arranged on the base (1) and above the supporting plate (22), the bottom of the mounting rack (3) is provided with a groove (31), the shape of the groove (31) is consistent with that of the first through groove (23), a second pressing block (32) is inserted into the groove (31), the second pressing block (32) is arranged corresponding to the first pressing block (2), the bottom of the second pressing block (32) is provided with a second cutting groove (33) with a zigzag structure, the second incision groove (33) is aligned with the first incision groove (21), a first cutter (34) with a zigzag structure is inserted into the second incision groove (33), a first hydraulic cylinder (35) is arranged in the groove (31) and above the second pressing block (32), the output end of the first hydraulic cylinder (35) is fixedly arranged at the top of the second pressing block (32);
the bottom of mounting bracket (3) is provided with clamp plate (4), be provided with No. two logical groove (41) on clamp plate (4), No. two logical groove (41) with the structure of recess (31) is unanimous and is linked together, the both ends of a cutter (34) all extend No. two grooving (33) fixed mounting be in on No. two inner walls that lead to groove (41), the top of a cutter (34) with the inner wall top that leads to groove (41) No. two flushes, the bottom of clamp plate (4) is followed the border that leads to groove (41) No. two is provided with No. two cutter (42), the inner wall of No. two cutter (42) with the outer wall of No. two briquetting (32) contacts.
2. The lithium battery pole piece blanking processing device of claim 1, characterized in that: the outer wall of the first cutter (34) and the inner wall of the second cutter (42) are both provided with polishing sheets (44).
3. The lithium battery pole piece blanking processing device of claim 1, characterized in that: the top border of layer board (22) be provided with baffle (25) of semicircle ring structure, be provided with a plurality of jacks (26) on baffle (25), all insert in jack (26) and be equipped with inserted bar (27), the one end of inserted bar (27) all extends to the top and the fixed mounting of layer board (22) have limiting plate (28), limiting plate (28) are kept away from one side of inserted bar (27) is convex structure.
4. The lithium battery pole piece blanking processing device of claim 1, characterized in that: inserted bar (27) on all be sharp distribution and be provided with a plurality of spacing grooves (271), all be provided with spring fixture block (261) on the inner wall of jack (26), spring fixture block (261) respectively with correspond the setting spacing groove (271) looks joint.
5. The lithium battery pole piece blanking processing device of claim 1, characterized in that: the bearing plate (22) in be provided with a plurality of cylinders (221), the output of cylinder (221) all runs through bearing plate (22) extend to in a logical groove (23) and fixed mounting have latch (222), be provided with tooth's socket (29) of a plurality of perpendicular settings on the outer wall of briquetting (2), latch (222) joint respectively in corresponding setting in tooth's socket (29).
6. The lithium battery pole piece blanking processing device of claim 1, characterized in that: the top of a pressing block (2) is provided with a plurality of circular grooves (5), a spring rod (51) is arranged in each circular groove (5), the top of the spring rod (51) is located in each circular groove (5), pressing sheets (52) are fixedly mounted in each circular groove (5), the tops of the pressing sheets (52) extend out of the corresponding circular grooves (5), the bottoms of the spring rods (51) are of inclined structures, a plurality of spring plates (53) are arranged in the pressing block (2), one side of each spring plate (53) is of an inclined structure and is in contact with the corresponding spring rod (51), an extrusion plate (54) is slidably connected to the outer wall of the pressing block (2), the bottom of each extrusion plate (54) is a clamping block (55) provided with an arc-shaped structure, and one side, far away from the spring plate (53), of the spring rod (51) penetrates through the pressing block (2) and is provided with a clamping groove (56) of the arc-shaped structure ) The clamping grooves (56) are respectively clamped with the correspondingly arranged clamping blocks (55).
7. The lithium battery pole piece blanking processing device of claim 1, characterized in that: the top of mounting bracket (3) be provided with support (6), fixed mounting has No. two pneumatic cylinders (61) on support (6), the output fixed mounting of No. two pneumatic cylinders (61) has linkage frame (62), the bottom of linkage frame (62) is provided with a plurality of depression bars (63), depression bar (63) run through respectively mounting bracket (3) fixed mounting be in the top of clamp plate (4).
8. The lithium battery pole piece blanking processing device of claim 1, characterized in that: the method for blanking the lithium battery pole piece by using the lithium battery pole piece blanking processing device comprises the following steps of:
s1, device check: before the lithium battery pole piece blanking processing device is started to blank the lithium battery pole pieces, the device is subjected to operation inspection;
s2, adding the following raw materials: overlapping the leftover materials of a plurality of lithium battery pole piece raw materials, and placing the overlapped leftover materials on a first pressing block (2) and a supporting plate (22) in the lithium battery pole piece blanking processing device which is checked in the step S1;
s3, pressing and clamping: operating the first hydraulic cylinder (35) to push the second pressing block (32) to press downwards, pressing the lithium battery pole piece raw materials placed on the first pressing block (2) and the supporting plate (22) in the S2 and fixing the lithium battery pole piece raw materials;
s4, blanking and forming: after the raw material of the lithium battery pole piece in the step S3 is pressed and fixed, the operation pressing plate (4) is pressed down to drive the first cutter (34) and the second cutter (42) to punch the lithium battery pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110679538.XA CN113399556A (en) | 2021-06-18 | 2021-06-18 | Lithium battery pole piece blanking device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110679538.XA CN113399556A (en) | 2021-06-18 | 2021-06-18 | Lithium battery pole piece blanking device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113399556A true CN113399556A (en) | 2021-09-17 |
Family
ID=77681484
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110679538.XA Withdrawn CN113399556A (en) | 2021-06-18 | 2021-06-18 | Lithium battery pole piece blanking device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113399556A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121692A (en) * | 2022-06-18 | 2022-09-30 | 河北零点新能源科技有限公司 | Shaping and blanking device for lithium battery pole pieces |
| CN115810711A (en) * | 2023-02-10 | 2023-03-17 | 常州宇峰电池有限公司 | Pole piece processing equipment of lithium-manganese button cell |
| CN115121692B (en) * | 2022-06-18 | 2024-11-08 | 河北零点新能源科技有限公司 | Lithium battery pole piece shaping and blanking device |
-
2021
- 2021-06-18 CN CN202110679538.XA patent/CN113399556A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115121692A (en) * | 2022-06-18 | 2022-09-30 | 河北零点新能源科技有限公司 | Shaping and blanking device for lithium battery pole pieces |
| CN115121692B (en) * | 2022-06-18 | 2024-11-08 | 河北零点新能源科技有限公司 | Lithium battery pole piece shaping and blanking device |
| CN115810711A (en) * | 2023-02-10 | 2023-03-17 | 常州宇峰电池有限公司 | Pole piece processing equipment of lithium-manganese button cell |
| CN115810711B (en) * | 2023-02-10 | 2023-04-14 | 常州宇峰电池有限公司 | Pole piece processing equipment of lithium-manganese button cell |
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Application publication date: 20210917 |
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