CN212577282U - Die cutting device and system for punching tab of battery positive plate - Google Patents
Die cutting device and system for punching tab of battery positive plate Download PDFInfo
- Publication number
- CN212577282U CN212577282U CN202021189364.6U CN202021189364U CN212577282U CN 212577282 U CN212577282 U CN 212577282U CN 202021189364 U CN202021189364 U CN 202021189364U CN 212577282 U CN212577282 U CN 212577282U
- Authority
- CN
- China
- Prior art keywords
- die
- plate
- pressure plate
- cutting device
- cutter core
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- 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
Landscapes
- Battery Electrode And Active Subsutance (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
The utility model relates to a die cutting device and a system for punching a tab of a battery positive plate, wherein the die cutting device comprises an upper die and a lower die; the upper die comprises an upper die base plate, the upper die base plate is fixedly connected with a pressure plate through a guide pillar assembly, a spring hollow guide pillar, the pressure plate is provided with an opening matched with an upper cutter core, the upper cutter core is arranged on the inner side of the pressure plate and located on an upper cutter core base, the pressure plate is close to the two sides of the upper cutter core, open slots are formed in the two sides of the upper cutter core, felts are placed in the open slots, the felts are in contact with the upper cutter core, cover plates fixed on the pressure plate are arranged above the open slots, threaded holes are formed in the cover plates, and the threaded holes are connected with an ethanol pipeline through corresponding air pipe joints. The utility model is used for cutting device and system solution of the die-cut utmost point ear of battery positive plate glues the problem that aluminium and glue the easy production burr of aluminium at die-cut positive plate utmost point ear in-process knife mouth, and can not pollute other regions of pole piece.
Description
Technical Field
The utility model belongs to the technical field of lithium ion battery makes, concretely relates to a cutting device and system for die-cut utmost point ear of battery positive plate.
Background
The lithium ion battery is manufactured and used, the safety performance of the battery is arranged at the head, the positive plate in the lithium ion battery is not good in machining performance in the punching process because the base material of the positive plate is an aluminum foil which is a light nonferrous metal and has soft property, the aluminum foil is often adhered to a knife edge to generate a phenomenon of knife adhesion, after the aluminum foil is adhered to the knife, the cut aluminum foil is easily adhered to the edge of the knife edge to form secondary shearing to generate burrs, and the generated burrs are easily adhered to a pole piece after die cutting to cause short circuit of the battery, so that the safety performance of the battery is seriously influenced.
Chinese patent CN 209867092U discloses an aluminite powder remove device when die-cut of battery sheet, cross cutting machine and aluminite powder remove system, the standing groove is seted up to the left surface of massive structure spare among the remove device, be fixed with the oil absorption subassembly in the standing groove, and massive structure spare leading flank connects oil pipeline, the oil absorption subassembly of oil type of inhaling material passes through the screw-fastening on aluminite powder remove device, its fixed effect is not good, drop easily, can pollute pole piece membrane and pole piece on the pole piece if the oil absorption subassembly falls the pole piece and leave white region, can damage upper and lower edge of a knife when falling to the edge of a knife above die-mentioned.
Chinese patent CN 208894533U discloses a roller type oiling station and system of gluing the aluminite powder when improving die-cut battery positive plate utmost point ear, it utilizes roller mechanism and oiling subassembly and controlling means among the roller type oiling station can effectually solve the problem that the aluminium powder was glued to the cross cutting mouth, the device of using this patent can leave the wheeled coating of white district at the pole piece at the die-cut utmost point ear in-process of positive plate and roll oil, the greasy dirt oil stain can remain on utmost point ear and pole piece membrane regional surface, process ultrasonic welding production and battery performance under can influencing.
Disclosure of Invention
The utility model aims at providing a cutting device and system for die-cut utmost point ear of battery positive plate provides the system that is used for the die-cut utmost point ear of battery positive plate according to cutting device, has solved and has glued the problem that aluminium and glue the easy production burr of aluminium at die-cut positive plate utmost point ear in-process knife edge.
The utility model provides a technical scheme that above-mentioned problem adopted does: a die cutting device for punching a tab of a battery positive plate comprises an upper die and a lower die; the upper die comprises an upper die base plate, two guide pillars with bearing springs are arranged on the surface of one side of the upper die base plate, the upper die base plate is connected with the lower die through the guide pillars with the bearing springs, the upper die base plate is fixedly connected with a pressure plate through three guide pillar assemblies and four spring hollow guide pillars, each guide pillar assembly comprises an upper die guide pillar hole, an upper die guide pillar bearing and an upper die guide pillar, the three upper die guide pillars are arranged on one side of the pressure plate in the vertical direction, one spring hollow guide pillar is arranged between every two upper die guide pillars, the other two spring hollow guide pillars are respectively arranged on two sides of the pressure plate in the horizontal direction, the pressure plate is provided with an opening matched with an upper knife core, the upper knife core is arranged on the inner side of the pressure plate and positioned on an upper knife core base, and the side of the upper knife core far away from the pressure, the novel multifunctional knife holder is characterized in that open grooves are formed in two sides, close to the upper knife core, of the pressure plate, felts are fixedly placed in the open grooves, the felts are all in contact with the upper knife core, cover plates fixed to the pressure plate are arranged above the open grooves, threaded holes are formed in the cover plates, and the threaded holes are all connected with an ethanol pipeline through corresponding air pipe connectors.
The lower die comprises a lower die bottom plate, a guide post hole matched with a guide post with a bearing spring is formed in the surface of one side of the lower die bottom plate, a lower knife core is further arranged on the lower die bottom plate, and a slider groove matched with a slider is formed in one side of the lower knife core.
Preferably, the length of the open slot is 30mm, the width of the open slot is 6mm, the depth of the open slot is 6mm, and the size of the felt is 30mm multiplied by 7 mm.
Preferably, the felt has a high coefficient of abrasion resistance and is not easily depilated.
Preferably, the cover plate is fixed on the pressure plate through M3 screws.
Preferably, the threaded hole is an M5 threaded hole, and the corresponding air pipe connector is a PL4-M5 quick air pipe connector.
Preferably, the distance between the upper cutter core and each inner side wall of the pressure plate is 1 mm.
Another object of the utility model is to provide a system for be used for die-cut utmost point ear of battery positive plate, including cutting device, the open slot of die-pressing board connects and is equipped with the ethanol pipeline connection of flow valve through the trachea that sets up on the screw hole among the cutting device, and the ethanol pipeline is connected with the motor peristaltic pump, the ethanol jar is still connected to the motor peristaltic pump, the motor peristaltic pump still connects PLC electrical program controller through step driver.
The flow valves are three and are respectively a first flow valve, a second flow valve and a third flow valve, the first flow valve and the second flow valve are connected in parallel and are connected with the third flow valve in series through ethanol pipelines, and the first flow valve and the second flow valve are correspondingly connected with two air pipe joints in the pressure plate through the ethanol pipelines respectively.
The ethanol tank is filled with ethanol with the concentration of more than 99.7 percent.
Compared with the prior art, the utility model has the advantages of:
(1) the die cutting device and the system for punching the tab of the battery positive plate enable the felt in the opening to be soaked with ethanol through the control device, the problem that aluminum powder is adhered to the die-cutting knife core can be effectively solved when the felt soaked with the ethanol is contacted with two sides of the knife core in the process of punching the battery electrode plate, burrs at the edge of die-cutting are prevented, the safety performance of the battery core is improved, the temperature of the knife edge can be effectively reduced, the knife edge is cleaned, knife edge breakage and passivation caused by aluminum adhesion are prevented, and the service life of the knife core can be effectively prolonged.
(2) The utility model discloses when preventing cross cutting edge burr and producing, shortened the time of back end process inspection burr greatly, utmost point ear surface is clean, utmost point ear ultrasonic welding process technology is trouble-free to production efficiency has been improved.
(3) The utility model is used for the cutting device of the die-cut utmost point ear of battery positive plate, it is equipped with the felt of infiltration ethanol in pressing the two inboard open slots of flitch, its and the contact of sword core both sides surface to not with the pole piece contact, absolute ethyl alcohol only can stay within the felt, and the ethanol volume is few concentration height, can volatilize in the extremely short time and take away the heat, can not pollute other regions of pole piece.
(4) According to the invention, the spring hollow guide pillar is vertically arranged between the upper die base plate and the pressure plate, so that the pressure of the pressure plate is uniform, and the efficiency of punching the lug is higher.
Drawings
Fig. 1 is a schematic structural view of an upper die of a die cutting device for die-cutting a tab of a battery positive plate in an embodiment of the present invention;
FIG. 2 is a schematic structural view of a pressure pad without a felt placed therein in an embodiment of the present invention;
FIG. 3 is a schematic structural view of the pressure plate after the felt is placed in the embodiment of the present invention;
fig. 4 is a schematic structural view of an upper die guide pillar and a spring hollow guide pillar which are arranged on a pressure plate in the embodiment of the present invention;
fig. 5 is a schematic lower die structure diagram of a die cutting device for die-cutting a tab of a battery positive plate in an embodiment of the present invention;
fig. 6 is a schematic structural diagram of a die cutting device for die-cutting a tab of a positive plate of a battery according to an embodiment of the present invention;
fig. 7 is the embodiment of the utility model provides a structural schematic diagram of a system for die-cut utmost point ear of positive plate of battery.
Wherein:
1 is an upper die, 2 is a lower die, 3 is an ethanol pipeline, 4 is a motor peristaltic pump, 5 is an ethanol tank, 6 is a stepping driver, and 7 is a PLC (programmable logic controller);
1.1 is an upper die base plate, 1.2 is a guide post with a bearing spring, 1.3 is a guide post assembly, 1.3.1 is an upper die guide post hole, 1.3.2 is an upper die guide post bearing, 1.3.3 is an upper die guide post, 1.4 is a spring hollow guide post, 1.5 is a pressure plate, 1.6 is an upper cutter core, 1.7 is an upper cutter core base, 1.8 is a slide block, 1.9 is an open slot, 1.10 is a felt, 1.11 is a cover plate, and 1.12 is a threaded hole;
2.1 is a lower die bottom plate, 2.2 is a guide post hole, 2.3 is a lower cutter core, and 2.4 is a slide block groove;
8.1 is a first flow valve, 8.2 is a second flow valve, and 8.3 is a third flow valve.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
As shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, fig. 6, do respectively the embodiment of the utility model provides an upper die structure schematic diagram of a cross cutting device for the die-cut utmost point ear of battery positive plate, the embodiment of the utility model provides an in not put into the pressure flitch's of felt structure schematic diagram, the embodiment of the utility model provides an in put into the pressure flitch's behind the felt structure schematic diagram, the embodiment of the utility model provides an in the structure schematic diagram of last mold guide pillar, the hollow guide pillar of spring of setting on pressure flitch, the embodiment of the utility model provides an in a lower mould structure schematic diagram of a cross cutting device for the die-cut utmost point ear of battery positive plate, the embodiment of.
The utility model provides a cutting device for die-cut utmost point ear of battery positive plate, includes mould 1, lower mould 2, it is 2 to go up mould 1 and lower mould 2.
The upper die 1 comprises an upper die base plate 1.1, two guide posts 1.2 with bearing springs are arranged on one side surface of the upper die base plate 1.1, the upper die base plate 1.1 is connected with the lower die 2 through the guide posts 1.2 with the bearing springs, the upper die base plate 1.1 is fixedly connected with a pressure plate 1.5 through three guide post assemblies 1.3 and four spring hollow guide posts 1.4, each guide post assembly 1.3 comprises an upper die guide post hole 1.3.1, an upper die guide post bearing 1.3.2 and an upper die guide post 1.3.3, the three upper die guide posts 1.3.3 are arranged on one side of the pressure plate 1.5 in the vertical direction, one spring hollow guide post 1.4 is arranged between every two upper die guide posts 1.3.3, the other two spring hollow guide posts 1.4 are respectively arranged on two sides of the pressure plate 1.5 in the horizontal direction, the pressure plate 1.5 is provided with an opening matched with an upper cutter core 1.6, the upper cutter core 1.6 is arranged on the inner side of the pressure plate 1.5 and is positioned on an upper cutter core base seat, the distance between the upper cutter core 1.6 and each inner side wall of the pressure plate 1.5 is 1mm, two sliding blocks 1.8 are arranged on the side surface of the upper cutter core 1.6 far away from the pressure plate 1.5, two sides of the pressure plate 1.5 close to the upper knife core 1.6 are respectively provided with an open slot 1.9 with the width of 6mm, the length of 30mm and the depth of 6mm, the open slots 1.9 are all fixedly provided with felts 1.10 which have the size of 30mm multiplied by 7mm, have high wear resistance coefficient and are difficult to remove hairs, the felts 1.10 are all contacted with the upper cutter core 1.6, cover plates 1.11 fixed on a pressure plate 1.5 are arranged above the open grooves 1.9, the cover plate 1.11 is used for fixing the felt 1.10, the cover plate 1.11 is fixed on the pressure plate 1.5 through M3 screws, threaded holes 1.12 are formed in the cover plate 1.11, the threaded holes 1.12 are connected with the ethanol pipeline 3 through corresponding PL4-M5 quick air pipe connectors, and the threaded holes 1.12 are M5 threaded holes.
The lower die 2 comprises a lower die bottom plate 2.1, a guide post hole 2.2 matched with a guide post 1.2 with a bearing spring is formed in the surface of one side of the lower die bottom plate 2.1, a lower cutter core 2.3 is further arranged on the lower die bottom plate 2.1, and a slider groove 2.4 matched with a slider 1.8 is formed in one side of the lower cutter core 2.3.
The upper die 1 and the lower die 2 are fixedly connected through the close fit of a slide block 1.8 and a slide block groove 2.4, and a guide post 1.2 with a bearing spring and a guide post hole 2.2.
As shown in fig. 7, the embodiment of the present invention provides a schematic structural diagram of a system for punching a tab of a positive plate of a battery.
The utility model provides a system for be used for die-cut utmost point ear of battery positive plate, includes cutting device, cutting device includes singly go up mould 1 and singly lower mould 2, the trachea that sets up on 1.12 of threaded hole of 1.9 of die-pressing board in the cutting device connects and is connected with the ethanol pipeline 3 that is equipped with the flow valve, and ethanol pipeline 3 is connected with motor peristaltic pump 4, motor peristaltic pump 4 still connects ethanol jar 5, motor peristaltic pump 4 still connects PLC program controller 7 through step driver 6.
The flow valves include three flow valves, namely a first flow valve 8.1, a second flow valve 8.2 and a third flow valve 8.3, the first flow valve 8.1 and the second flow valve 8.2 are connected in parallel and are connected in series with the third flow valve 8.3 through an ethanol pipeline 3, and the first flow valve 8.1 and the second flow valve 8.2 are correspondingly connected with two air pipe joints in the pressure plate 1.5 through the ethanol pipeline 3.
The ethanol tank 5 is filled with absolute ethanol with the concentration of more than 99.7 percent.
The utility model discloses a theory of operation does: during punching, an upper die 1 in the die cutting device moves downwards, a pressure plate 1.5 of the upper die 1 moves downwards along with the upper die 1 in a natural state until the pressure plate 1.5 of the upper die 1 presses the surface of a pole piece and a lower core 2.3 of a lower die 2, a spring of a spring hollow guide post 1.3 is stressed, so that the pressure plate 1.5 is kept still, and meanwhile, the pressure of the pressure plate is increased under the action of the spring hollow guide post 1.3, so that the pole piece is pressed more flatly and more tightly by the pressure plate 1.5; the surfaces of two sides of the upper cutter core 1.6 contact and wipe with the felt 1.10 in the opening groove 1.9 in the pressure plate 1.5 in the downward movement process of the upper mold 1 and the upper cutter core 1.6, namely the felt 1.10 soaked with ethanol contacts two sides of the upper cutter core 1.6, and the cutter core 1.6, the pole piece and the lower cutter core 2.3 contact to punch the pole piece; after punching the pole piece, go up mould 1 upward movement, go up the hollow guide pillar of spring 1.4's of mould 1 spring elasticity and weaken and then also follow upward movement, go up mould 1 upward movement to a certain time, go up the separation that the last core 1.6 of mould 1 and felt 1.10 in pressing flitch 1.5 open slot 1.9 have certain difference in height (generally 1~2 mm), accomplish a motion flow. In the practical process, the punching of the tab of the positive plate of the battery is a continuous process, and multiple cycles of the movement process are generally needed.
The impregnation of the felt 1.10 with ethanol is mainly achieved by the following processes: the PLC 7 controls the stepping driver 6 through a program, the stepping driver 6 controls the motor peristaltic pump 4 to operate, the motor peristaltic pump 4 sucks ethanol from the ethanol tank 5, the ethanol is led into the felt 1.10 in each open slot 1.9 of the pressure plate 1.5 through the ethanol pipeline 3 and the air pipe joint on the threaded hole 1.12, and the flow valve on the ethanol pipeline 3 controls the ethanol flow of the soaked felt 1.10.
In addition to the above embodiments, the present invention also includes other embodiments, and any technical solutions formed by using convertible or equivalent alternative modes should fall within the protection scope of the claims of the present invention.
Claims (9)
1. The utility model provides a cutting device that is used for die-cut utmost point ear of battery positive plate which characterized in that: comprises an upper die (1) and a lower die (2);
the upper die (1) comprises an upper die base plate (1.1), two guide pillars (1.2) with bearing springs are arranged on the surface of one side of the upper die base plate (1.1), the upper die base plate (1.1) is connected with the lower die (2) through the guide pillars (1.2) with the bearing springs, the upper die base plate (1.1) is fixedly connected with a pressure plate (1.5) through three guide pillar assemblies (1.3) and four spring hollow guide pillars (1.4), each guide pillar assembly (1.3) comprises an upper die guide pillar hole (1.3.1), an upper die guide pillar bearing (1.3.2) and an upper die guide pillar (1.3.3), the three upper die guide pillars (1.3.3) are arranged on one side of the pressure plate (1.5) in the vertical direction, one spring hollow guide pillar (1.4) is arranged between every two upper die guide pillars (1.3.3), and the other two spring hollow guide pillars (1.4) are respectively arranged on two sides of the pressure plate (1.5) in the horizontal direction, the pressure plate (1.5) is provided with an opening matched with an upper cutter core (1.6), the upper cutter core (1.6) is arranged on the inner side of the pressure plate (1.5) and positioned on an upper cutter core base (1.7), two sliding blocks (1.8) are arranged on the side face, far away from the pressure plate (1.5), of the upper cutter core (1.6), open slots (1.9) are arranged on the two sides, close to the upper cutter core (1.6), of the pressure plate (1.5), felts (1.10) are placed in the open slots (1.9), the felts (1.10) are in contact with the upper cutter core (1.6), cover plates (1.11) fixed on the pressure plate (1.5) are arranged above the open slots (1.9), threaded holes (1.12) are arranged in the cover plates (1.11), and the threaded holes (1.12) are connected with an ethanol pipeline (3) through corresponding air pipe connectors;
the lower die (2) comprises a lower die bottom plate (2.1), a guide post hole (2.2) matched with a guide post (1.2) with a bearing spring is formed in the surface of one side of the lower die bottom plate (2.1), a lower cutter core (2.3) is further arranged on the lower die bottom plate (2.1), and a sliding block groove (2.4) matched with a sliding block (1.8) is formed in one side of the lower cutter core (2.3).
2. The die-cutting device for die-cutting tabs of the positive plate of the battery according to claim 1, wherein: the width of the open slot (1.9) is 6mm, the length is 30mm, the depth is 6mm, and the size of the felt (1.10) is 30mm multiplied by 7 mm.
3. The die-cutting device for die-cutting tabs of the positive plate of the battery according to claim 1, wherein: the felt (1.10) has a high coefficient of wear resistance and is not easy to remove hairs.
4. The die-cutting device for die-cutting tabs of the positive plate of the battery according to claim 1, wherein: the cover plate (1.11) is fixed on the pressure plate (1.5) through M3 screws.
5. The die-cutting device for die-cutting tabs of the positive plate of the battery according to claim 1, wherein: the threaded hole (1.12) is an M5 threaded hole, and the corresponding air pipe joint is a PL4-M5 quick air pipe joint.
6. The die-cutting device for die-cutting tabs of the positive plate of the battery according to claim 1, wherein: the distance between the upper cutter core (1.6) and each inner side wall of the pressure plate (1.5) is 1 mm.
7. The utility model provides a system for die-cut utmost point ear of positive plate of battery which characterized in that: the die cutting device comprises the die cutting device according to any one of claims 1 to 6, wherein an open slot (1.9) of a material pressing plate (1.5) in the die cutting device is connected with an ethanol pipeline (3) provided with a flow valve through an air pipe joint arranged on a threaded hole (1.12), the ethanol pipeline (3) is connected with a motor peristaltic pump (4), the motor peristaltic pump (4) is further connected with an ethanol tank (5), and the motor peristaltic pump (4) is further connected with a PLC (programmable logic controller) through a stepping driver (6).
8. The system for die cutting of tabs for positive plates of batteries according to claim 7, characterized in that: the flow valves comprise three flow valves, namely a first flow valve (8.1), a second flow valve (8.2) and a third flow valve (8.3), the first flow valve (8.1) and the second flow valve (8.2) are connected in parallel and are connected with the third flow valve (8.3) in series through an ethanol pipeline (3), and the first flow valve (8.1) and the second flow valve (8.2) are correspondingly connected with two air pipe joints in the pressure plate (1.5) through the ethanol pipeline (3) respectively.
9. The system for die cutting of tabs for positive plates of batteries according to claim 7, characterized in that: the ethanol tank (5) is filled with ethanol with the concentration of more than 99.7 percent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021189364.6U CN212577282U (en) | 2020-06-24 | 2020-06-24 | Die cutting device and system for punching tab of battery positive plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021189364.6U CN212577282U (en) | 2020-06-24 | 2020-06-24 | Die cutting device and system for punching tab of battery positive plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212577282U true CN212577282U (en) | 2021-02-23 |
Family
ID=74650476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021189364.6U Active CN212577282U (en) | 2020-06-24 | 2020-06-24 | Die cutting device and system for punching tab of battery positive plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212577282U (en) |
-
2020
- 2020-06-24 CN CN202021189364.6U patent/CN212577282U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201091895Y (en) | Gouging machine | |
| CN110202629A (en) | A kind of lithium ion power cell pole flakes fly-cutting mechanism and its working method | |
| CN111014409A (en) | Punching press of limit material integration is removed in punching press | |
| CN212577282U (en) | Die cutting device and system for punching tab of battery positive plate | |
| CN210010520U (en) | Soft-packaged battery cell tab cutting mechanism | |
| CN112123383B (en) | Shaver head, equipment for assembling shaver head and assembling method of equipment | |
| CN102601209B (en) | Punching die for car doorframe posts | |
| CN111293577B (en) | Flat copper wire transversely shells lacquer device | |
| CN210452914U (en) | Flying cutting mechanism for pole piece of lithium ion power battery | |
| CN113070933A (en) | Flat-cutter die-cutting machine with waste cleaning device | |
| CN203316823U (en) | Rapid cutter die changing device for flying cutting | |
| CN101658952A (en) | Car mold platen groove chamfer cutter | |
| CN203316558U (en) | Blanking die for upper reinforcer blank of automobile front column | |
| CN207941851U (en) | A kind of novel side piercing die | |
| CN206825583U (en) | A kind of die-cutting machine decompressor | |
| CN216965969U (en) | Battery pole piece grooving and cutting device | |
| CN220312672U (en) | Material pressing device | |
| CN106784430B (en) | Lithium battery polymer cell aluminum plastic film forming machine | |
| CN105268847A (en) | Bending die and method for acute-angle groove-shaped sheet metal part | |
| CN220543983U (en) | Lithium battery lamination platform | |
| CN208680300U (en) | A kind of soft-package battery pole piece bicker | |
| CN215697217U (en) | Die cutting device and die cutting device of lithium ion battery pole piece | |
| CN110496893B (en) | Mould structure of one-knife beveling end of guide groove | |
| CN219521144U (en) | Jig pressing device is cut to TP chamfer brill | |
| CN209288380U (en) | A kind of ultrasonic wave knife handle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |