CN113071946A - Horizontal lithium battery pole piece cutting machine - Google Patents
Horizontal lithium battery pole piece cutting machine Download PDFInfo
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- CN113071946A CN113071946A CN202110483397.4A CN202110483397A CN113071946A CN 113071946 A CN113071946 A CN 113071946A CN 202110483397 A CN202110483397 A CN 202110483397A CN 113071946 A CN113071946 A CN 113071946A
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- 238000005520 cutting process Methods 0.000 title claims abstract description 52
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 47
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 47
- 239000000428 dust Substances 0.000 claims description 61
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 40
- 230000007246 mechanism Effects 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 5
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims 1
- 229910001416 lithium ion Inorganic materials 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract description 3
- 230000006872 improvement Effects 0.000 description 10
- 239000012535 impurity Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 7
- 238000010008 shearing Methods 0.000 description 7
- 238000004140 cleaning Methods 0.000 description 6
- 238000003825 pressing Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000005484 gravity Effects 0.000 description 5
- 238000004804 winding Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 4
- 230000001771 impaired effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000002372 labelling Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H23/00—Registering, tensioning, smoothing or guiding webs
- B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
- B65H23/18—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web
- B65H23/188—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
- B65H23/1888—Registering, tensioning, smoothing or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web and controlling web tension
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B1/00—Cleaning by methods involving the use of tools
- B08B1/20—Cleaning of moving articles, e.g. of moving webs or of objects on a conveyor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B5/00—Cleaning by methods involving the use of air flow or gas flow
- B08B5/04—Cleaning by suction, with or without auxiliary action
- B08B5/043—Cleaning travelling work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/0006—Article or web delivery apparatus incorporating cutting or line-perforating devices
- B65H35/0073—Details
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H35/00—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers
- B65H35/02—Delivering articles from cutting or line-perforating machines; Article or web delivery apparatus incorporating cutting or line-perforating devices, e.g. adhesive tape dispensers from or with longitudinal slitters or perforators
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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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H2701/00—Handled material; Storage means
- B65H2701/10—Handled articles or webs
- B65H2701/11—Dimensional aspect of article or web
- B65H2701/113—Size
- B65H2701/1133—Size of webs
-
- 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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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a horizontal lithium battery pole piece splitting machine, and belongs to the field of lithium battery manufacturing. The cutting device comprises a frame, wherein the frame is internally provided with a cutting device, the cutting device comprises a pair of rotating shafts which are arranged along the horizontal direction, and annular blades are sleeved on the rotating shafts; a feeding hole is formed in the position, above the gap between the rotating shafts, of the rack, and a discharging hole is formed in the position, below the gap, of the rack. The invention can conveniently adjust the distance between the rotating shafts and reduce the probability of burrs and wavy edges of the cut lithium battery pole piece.
Description
Technical Field
The invention belongs to the technical field of lithium battery manufacturing, and particularly relates to a lithium battery pole piece splitting machine.
Background
The lithium battery has the characteristics of high energy, environmental protection, long service life and convenience in carrying. As the demand for lithium batteries is increasing and the models for different application fields are increasing, the production and manufacturing capacity of lithium batteries is also increasing to meet the demand of various forms. The production and manufacturing of the lithium battery pole piece are key processes in the production process of the lithium battery, and specifically comprise the steps of slurry preparation, pole piece coating and drying, pole piece rolling and compacting and pole piece die cutting.
The die cutting of the pole pieces is a process of die cutting a large-size pole piece belt into a plurality of small-size pole piece belts by using a die cutting machine according to various models or style requirements of batteries, and then performing slitting and winding by using a slitting and winding machine. In addition, before the pole piece is transferred to a die cutting machine for die cutting, the pole piece is also required to be marked and punched respectively according to the number of die cutting strips, so that a pole lug, a defect and size detection and labeling and the like of a corresponding small-size pole piece belt are formed.
For example, the Chinese patent application number is: CN202010963032.7, published date: patent document 12/1/2020 discloses a lithium battery pole piece slitting treatment system, which comprises a workbench and a transmission device arranged at the top of the workbench, wherein a guide device is arranged between two groups of fixing frames, a tensioning device is arranged between two pairs of fixing frames and the guide device, and a cutting device is arranged between the guide device and the tensioning device. According to the invention, the connecting plate and the Contraband-shaped frame advance or retreat along the width direction of the rectangular groove in sequence by manually rotating the knob, so that the connecting plate and the Contraband-shaped frame drive the triangular plate to synchronously advance or retreat and push the T-shaped sliding block to move outwards or inwards along the length direction of the T-shaped groove, thereby realizing the adjustment of different cutting widths of the pole piece roll.
Also, for example, the Chinese patent application number is: cn202020399592.x, published as: patent literature of 1 month and 5 days in 2021 discloses a die-cutting and slitting integrated machine for a lithium battery pole piece. The die-cutting and slitting integrated machine comprises an unreeling mechanism, a marking and punching mechanism, a tab forming mechanism, a labeling mechanism, a cutting and slitting mechanism and a reeling mechanism which are sequentially arranged along the moving direction of a lithium battery pole piece; the unwinding mechanism comprises more than two independent unwinding rollers capable of switching unwinding; the label forming mechanism comprises a plurality of label cutting assemblies, a label pasting mechanism and a label pressing mechanism, wherein the label cutting assemblies are arranged on the label pasting mechanism, the label pressing mechanism is arranged on the label pasting mechanism, and the label pressing mechanism is arranged on the label pasting mechanism; the cutting and slitting mechanism comprises a cutting and slitting device; the winding mechanism comprises more than two independent winding rollers which are used for winding respectively the cutting slitting mechanism cuts a plurality of pole piece strips after slitting.
Above-mentioned two schemes are the cutting machine of being cut into many with lithium battery sheet branch, and the structure of the mechanism of cutting and current lithium battery sheet cutting machine of two cutting machines is the same basically, is a pair of pivot of arranging from top to bottom, divides the cutter to cup joint in the pivot, and battery sheet transversely gets into from one side between two upper and lower pivots, is transversely seen off from the opposite side after being cut. Under general conditions, can set up unwinding equipment at the feed side of cutting machine, then set up rolling equipment at the ejection of compact side, the battery pole piece between pivot can be taut by unwinding equipment and unwinding equipment about the process, and at this moment, battery pole piece itself has been applyed self gravity and a horizontal tension.
When cutting, the surface quality of the battery pole piece cut can be influenced by undersize or oversize transverse tension, so that burrs and wavy edges occur, and even if constant transverse tension is applied, the problem still often occurs on the surface quality of the battery pole piece actually cut due to the influence of gravity.
In addition, to this kind of vertical lithium cell cutting machine of pivot structure about, when the interval of pivot about needs adjust according to the thickness of battery sheet, because pivot itself possesses great weight, when the fixing base of adjusting one of them one end of pivot, can lead to the fixing base of the other end to bear not live gravity, lead to the pivot other end and the junction of fixing base to warp impaired, therefore its interval adjustment is comparatively difficult.
Disclosure of Invention
1. Problems to be solved
Aiming at the problems of imperfect structure and unsatisfactory use function of the conventional vertical lithium battery pole piece splitting machine, the invention provides a horizontal lithium battery pole piece splitting machine which can conveniently adjust the distance between rotating shafts and reduce the probability of burrs and wavy edges of the split lithium battery pole piece.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
A horizontal lithium battery pole piece splitting machine comprises a rack, wherein a cutting device is arranged in the rack, the cutting device comprises a pair of rotating shafts arranged along the horizontal direction, and an annular blade is sleeved on each rotating shaft; a feeding hole is formed in the position, above the gap between the rotating shafts, of the rack, and a discharging hole is formed in the position, below the gap, of the rack.
As a further improvement of the technical scheme, two ends of the rotating shaft are respectively connected with a mounting seat through a bearing, the mounting seats are mounted on the rack, and one end of the rotating shaft is in transmission connection with the motor.
As a further improvement of the technical scheme, a mounting seat connected with one rotating shaft is slidably mounted on the rack and is controlled to move along the width direction of the rack by a transverse driving mechanism.
As a further improvement of the technical scheme, the transverse driving mechanism comprises a lead screw and nut mechanism and an adjusting rotary handle; one end of the screw rod nut mechanism penetrates through a mounting seat which is slidably mounted on the rack along the width direction of the rack, the other end of the screw rod nut mechanism is fixedly sleeved with an adjusting rotating handle, and scales are arranged on the adjusting rotating handle along the circumferential direction of the screw rod.
As a further improvement of the technical proposal, the device also comprises an alcohol wiping device; the alcohol wiping device is arranged on the frame and positioned above the annular blade, and an alcohol dropping hole is formed in the alcohol wiping device.
As a further improvement of the technical scheme, the lower end face of the alcohol wiping device is provided with a groove matched with the annular blade.
As a further improvement of the technical scheme, the annular blades are provided with a plurality of transverse beams which are sleeved on one of the rotating shafts along the length direction of the rotating shafts, the transverse beams are arranged on the rack on the side edges of the annular blades, and the alcohol wiping device is arranged on the transverse beams.
As a further improvement of the technical scheme, the rack is of a closed structure and comprises a bottom plate; the discharge port is arranged on the bottom plate, an air inlet device is connected outside the discharge port, and an air outlet is formed in the bottom plate.
As a further improvement of the technical scheme, the bottom plate is provided with a long hole, a dust collecting box arranged in the long hole is arranged below the rotating shaft, and the air outlet is arranged at the bottom of the dust collecting box.
As a further improvement of the technical scheme, one side of the upper end surface of the dust collecting box is provided with a bearing plate, and the bearing plate is provided with a felt.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) the invention relates to a horizontal lithium battery pole piece splitting machine, which breaks through the arrangement structure of a traditional vertical die-cutting machine, a pair of rotating shafts are arranged side by side along the horizontal direction in a breakthrough manner, lithium battery pole pieces enter between the two rotating shafts from a feed inlet above the rotating shafts and are output from a discharge outlet below after being split, by adopting the mode, when the battery pole pieces are sheared, only a small pulling force is applied in the height direction under the action of gravity, so that the battery pole pieces can be tensioned and stably sheared, the battery pole pieces are only subjected to the acting force in the height direction when sheared, on one hand, the pulling force control on the battery pole pieces is more convenient, the shearing of the battery pole pieces is more stable, on the other hand, the surface quality problems of burrs, wavy edges and the like caused by the fact that the battery pole pieces receive the acting forces in the two directions when fed, the surface quality of the battery pole piece formed by shearing is effectively improved;
(2) according to the horizontal lithium battery pole piece splitting machine, when the distance between the two rotating shafts is required to be adjusted according to the thickness of a battery pole piece, the rack can always bear the weight of the two ends of the rotating shafts in the moving process of the mounting seat, the deformation and damage of the connecting part of the other end and the fixed seat when the vertical die-cutting machine adjusts the position of one end of the rotating shafts are avoided, the working stability of the splitting machine is ensured, and the service life of the rotating shafts is prolonged;
(3) according to the horizontal lithium battery pole piece splitting machine, the alcohol wiping device is arranged above the annular blade, alcohol is dripped into the alcohol dripping hole, and the rotation of the rotating shaft is matched, so that the annular blade can be conveniently and quickly sterilized and wiped at each position;
(4) the invention relates to a horizontal lithium battery pole piece splitting machine, wherein a frame is of a closed structure, a feed inlet of the frame is basically filled and closed by an entering battery pole piece, a discharge outlet is externally connected with an air inlet device, air outlets are arranged around the discharge outlet, so that a negative pressure dust removal structure is formed, air enters the machine from the discharge outlet and is discharged from the air outlets, and dust on the battery pole piece and on components in the frame is driven to be discharged from the air outlets in a circulating process, so that the dust which is difficult to remove in the frame can be conveniently and quickly removed, especially, the horizontal lithium battery pole piece splitting machine can completely clean the battery pole piece at the discharge outlet and the inside of the splitting machine while the splitting machine works, the battery pole piece after splitting and the battery pole piece after splitting are cleaned again without spending time to clean and finish the work, and the work efficiency and the dust removal efficiency are;
(5) according to the horizontal lithium battery pole piece splitting machine, the dust collecting box is arranged below the rotating shaft, the air outlet is arranged at the bottom of the dust collecting box, so that dust and impurities can be blown into the dust collecting box by air input by the air inlet device to be primarily collected, the dust and impurities are prevented from being dispersed to all positions inside the machine frame, the dust and impurities are difficult to clean and easy to accumulate, the work of a subsequent splitting machine is influenced, the dust and impurities can be cleaned more conveniently by negative pressure dust removal, and the dust removal effect of a negative pressure dust removal mode is improved
(6) According to the horizontal lithium battery pole piece splitting machine, the receiving plate is arranged on one side of the upper end face of the dust receiving box, the felt is arranged on the receiving plate and can be used for wiping the annular blade in the working process of the annular blade, the splitting capacity of the annular blade is guaranteed, meanwhile, the felt can be matched with an alcohol wiping device to better wipe and disinfect the annular blade through alcohol, when dust sundries on the annular blade are wiped, the felt is arranged on the receiving plate of the dust receiving box, so that the dust sundries on the annular blade can be smoothly cleaned into the dust receiving box, a negative pressure dust removing structure is convenient to discharge the dust from an air outlet, the dust is prevented from flying apart inside the device, and the cleaning difficulty is reduced.
Drawings
FIG. 1 is a compound structural view of a slitting machine;
FIG. 2 is an internal structural view of the slitting machine;
FIG. 3 is a schematic view of the structure of the alcohol wiping device and the dust box;
FIG. 4 is a schematic structural view of a base plate;
in the figure: 1. a frame; 11. a feed inlet; 12. a discharge port; 13. a cross beam; 14. a base plate; 141. a strip hole; 15. an air outlet; 2. a cutting device; 21. a rotating shaft; 22. an annular blade; 23. a mounting seat; 24. a lead screw nut mechanism; 25. adjusting the rotating handle; 3. an alcohol wiping device; 31. alcohol dropping holes; 4. a dust collecting box; 41. a bearing plate; 5. a felt.
Detailed Description
The invention is further described with reference to specific embodiments and the accompanying drawings.
Examples
A horizontal lithium battery pole piece splitting machine is used for splitting treatment of a battery pole piece in a lithium battery production process, and the specific structure and the working principle of the splitting machine are described in detail below.
As shown in fig. 1 to 4, the splitting machine comprises a frame 1, a cutting device 2, an alcohol wiping device 3 and a negative pressure dust removing device. The frame 1 includes a bottom plate 14, a base, a pressing plate, a top plate, and side plates. Wherein, the bottom plate 14 is arranged at the bottommost part of the splitting machine and has a rectangular structure. The bases are of a concave structure with two grooves, the width of the bottom of each base is consistent with that of the bottom plate 14, the bases are respectively arranged at the front end and the rear end of the bottom plate 14, and a pressing plate is fixedly arranged at the upper end of each base to close the upper portion of each groove. The side plates are arranged on both sides of the bottom plate 14 in the width direction and are respectively connected with the bases at the front end and the rear end. The top plate is arranged above the base and the side plate, and the base and the side plate are sealed, so that the relative integral sealing structure of the splitting machine is realized.
The cutting device 2 mainly includes a pair of rotating shafts 21 arranged in a horizontal direction and a lateral driving mechanism. The rotating shaft 21 is arranged inside the frame 1, two ends of the rotating shaft are respectively connected with a mounting seat 23 arranged on the base through bearings, and one end of the rotating shaft penetrates through the mounting seat 23 to be in transmission connection with a motor arranged on the mounting seat 23 and is driven to rotate through the motor. In this embodiment, two axis of rotation 21 are the transmission respectively and are connected a motor, conveniently adjust the rotation ratio of two axis of rotation 21, improve and cut efficiency. A feed inlet 11 is arranged at the position above the gap between the pair of rotating shafts 21 on the top plate, a discharge outlet 12 is arranged at the position of the bottom plate 14 below the gap, a plurality of shaft sleeves are sleeved on the rotating shafts 21, and annular blades 22 are arranged between the shaft sleeves or on the shaft sleeves and used for cutting the battery pole pieces.
By adopting the horizontal arrangement structure, when the splitting machine works, the lithium battery pole pieces vertically fall into the gap between the two rotating shafts 21 from the feeding hole 11, are split by the annular blade 22 and then are output to the outside from the discharging hole 12. By adopting the mode, when the battery pole piece is sheared, under the action of gravity, the tightening and stable shearing of the battery pole piece can be realized only by applying a small pulling force in the height direction. The battery pole piece only receives the ascending effort of direction of height when cuting, makes the pulling force control to the battery pole piece more convenient on the one hand, and the shearing of battery pole piece is more stable, and on the other hand battery pole piece receives two ascending efforts of side and appears surface quality problems such as burr and wave limit when leading to the shearing when horizontal feeding can not appear, has improved the surface quality of shearing fashioned battery pole piece effectively.
The transverse driving mechanism is mainly used for adjusting the gap between the two rotating shafts 21 according to lithium battery pole pieces with different thicknesses and mainly comprises a lead screw nut mechanism 24 and an adjusting rotating handle 25. The mounting seats 23 at the two ends of the two rotating shafts 21 are respectively mounted in the grooves of the two bases, and the transverse driving mechanism adjusts the distance between the two rotating shafts 21 by adjusting the positions of the mounting seats 23 in the grooves of the bases. Specifically, in this embodiment, the mounting seats 23 at two ends of one rotating shaft 21 are fixedly mounted in the grooves of the base, and the upper end surface and the lower end surface of the other mounting seat 23 are respectively provided with sliding grooves matched with the lower end of the pressing plate and the bottom of the groove. The two transverse driving mechanisms are respectively arranged on the machine frame 1 at the front end and the rear end of the rotating shaft 21, one end of a lead screw of the lead screw nut mechanism 24 penetrates through the side surface of the base and the mounting seat 23 which is slidably mounted on the machine frame 1 along the width direction of the machine frame 1 and then is connected with the side surface of the mounting seat 23 which is fixedly mounted in the groove through a bearing, a nut of the lead screw nut mechanism 24 is fixedly connected with the mounting seat 23 which is slidably mounted on the machine frame 1, the other end of the lead screw is fixedly sleeved with an adjusting rotating handle 25, and the adjusting rotating handle 25 is provided with scales along the circumferential direction of the. The screw rod can be driven to rotate by rotating the adjusting rotating handle 25, so that the control mounting seat 23 moves along the width direction of the rack 1, the distance between the two rotating shafts 21 is adjusted, and meanwhile, the adjusting distances of the transverse driving mechanisms at the two ends can be kept consistent by setting scales, and the influence on the shearing work of the battery pole piece is avoided.
Traditional vertical cross cutting machine, two axles of its installation annular blade are arranged from top to bottom, and lithium battery pole piece transversely gets into from one side of the interval between two axles, from the opposite side output, consequently, when the interval size of two axles of thickness adjustment according to lithium battery pole piece as required, need adjust the height at axle both ends. Because the axle itself possesses great weight, when the height of one of them one end of counter shaft was adjusted, the weight of axle was born by the junction of its other end and frame completely, leads to the connection structure of this department to take place to warp impaired easily, influences the life of cross cutting machine. And the horizontal cutting machine of this embodiment when adjusting the interval between the axis of rotation, the base can bear the weight at axis of rotation both ends all the time at the mount pad 23 removal in-process, and the junction of the other end and the fixing base is warp impaired when the position of the wherein one end of axis of rotation is adjusted to vertical cross cutting machine can not appear, guarantees the job stabilization of cutting machine, improves the life of axis of rotation.
As shown in fig. 2 and fig. 3, the alcohol wiping device 3 is located above the annular blade 22, and is provided with an alcohol dropping hole 31, and by dropping alcohol into the alcohol dropping hole 31, in cooperation with the rotation of the rotating shaft 21, disinfection and wiping of each position of the annular blade 22 can be conveniently and quickly achieved. In order to facilitate installation of the alcohol wiping devices 3, the annular blades 22 of the embodiment are provided with a plurality of cross beams 13 which are arranged on the rack 1 and are sleeved on one of the rotating shafts 21 along the length direction of the rotating shaft 21, the cross beams 13 are parallel to the rotating shaft 21, the front end and the rear end of each of the cross beams 13 are fixedly connected with two bases respectively, and the positions of the plurality of alcohol wiping devices 3 corresponding to each of the annular blades 22 one by one are arranged on the cross beams 13, so that the alcohol wiping devices are convenient to assemble and disassemble and convenient to maintain and replace. In particular, the lower end surface of the alcohol wiping device 3 of the present embodiment is provided with a groove matched with the annular blade 22, so that the alcohol dropping hole 31 can be closer to the annular blade 22, thereby accurately dropping alcohol onto the annular blade and improving the cleaning effect.
As shown in fig. 3 and 4, the negative pressure dust suction device comprises a dust receiving box 4, an air inlet device and a felt 5. The discharge port 12 on the bottom plate 14 is located in the middle of the bottom plate 14, a pair of strip holes 141 are symmetrically arranged on two sides of the bottom plate 14, and the two strip holes 141 are respectively located below the two rotating shafts 21. The dust collecting box 4 is provided with two dust collecting boxes which are fixedly clamped in the two strip holes 141 and are of groove-shaped structures with upward openings, the bottom of the dust collecting box 4 is provided with an air outlet 15, and the discharge opening 14 is externally connected with an air inlet device. The dust collecting box 4 is provided with a receiving plate 41 on the side facing outward from the upper end, and the felt 5 is provided on the receiving plate 41.
When the machine works, air is supplied into the splitting machine from the discharge hole 12 through the air inlet device, and the air can be discharged from the air outlet 15 at the bottom of the dust collecting box 4 because the rest parts of the machine frame 1 of the splitting machine are basically in a closed structure. In the circulation process, wind can bring dust on the battery pole pieces and on components in the machine frame 1 to be discharged from the air outlet 15, and dust which is difficult to remove in the machine frame 1 is conveniently and quickly cleaned. In addition, 15 settings in the gas outlet connect the dust box 4 bottom, connect dust box 4 can tentatively collect the dust debris that annular blade 22 during operation produced, prevent that dust debris from dispersing to each inside position of frame, be difficult to the clearance and lead to the fact easily and pile up, influence the work of follow-up cutting machine, and this structure also makes the clearance of negative pressure dust removal mode to dust debris more convenient, further improves the dust removal effect of negative pressure dust removal mode. Especially, this negative pressure dust removal mode can realize completely in cutting machine work the clearance to the battery sheet of discharge gate 12 department after cutting and the inside clearance of cutting machine, need not to spend time shut down clearance and clear up the battery sheet after cutting again after the work is accomplished, improves work efficiency and dust collection efficiency greatly.
The felt 5 can wipe the annular blade 22 during the operation of the annular blade 22, so that the cutting capability of the annular blade 22 is ensured. Meanwhile, the felt 5 can be matched with the alcohol wiping device 3 to better wipe and disinfect the annular blade 22 through alcohol, when dust impurities on the annular blade 22 are wiped, the felt 5 is arranged on the bearing plate 41 of the dust collecting box 4, so that the dust impurities on the annular blade 22 can be smoothly blown to the dust collecting box 4 along with wind, dust is conveniently discharged from the air outlet 15 through the negative pressure dust removing structure, the dust is prevented from scattering in the device, and the cleaning difficulty is reduced.
In order to cooperate with the negative pressure dust suction device, the structure of the frame 1 needs to be designed, so that the splitting machine is in a relatively sealed state during working. However, in addition to the air outlet 15 and the material outlet 12, the air input into the frame 1 by the air intake device may be output from the material inlet 11, which may cause dust and impurities to scatter inside the device, which increases the difficulty of cleaning, and even though the parts inside the frame 1 may have a blocking effect on the air going out from the material inlet 11, it is difficult to completely avoid the situation, so the width of the material inlet 11 needs to be set, which cannot exceed the thickness of the battery pole piece. However, the width of the feed opening 11 cannot be made too small in consideration of the need to drop alcohol into the alcohol dropping hole 31. Meanwhile, the front end and the rear end of the rack 1, namely the outer sides of the two bases, are provided with protective covers which hermetically cover the two bases, and the mounting seat 23 and the motor are positioned in the protective covers to prevent wind input by the air inlet device from leaking from a gap between the mounting seat 23 and the bases.
Therefore, the present embodiment takes the following measures. One side of the feed inlet 11 is provided with a baffle plate, and the baffle plate can be detachably and cleanly arranged at the feed inlet 11. Specifically, the baffle comprises a plurality of fixed plates fixedly arranged on one side of the feeding hole, a certain distance is reserved between every two fixed plates, and the alcohol dripping holes 31 of the alcohol wiping device 3 are just below the distance between every two fixed plates. The movable plate is arranged between two adjacent fixed plates, the movable plate is various in installation mode, one end of the movable plate can be hinged to one of the fixed plates, the other end of the movable plate is provided with a clamping structure matched with the other fixed plate, or a sliding groove is formed in one of the fixed plates, a sliding block matched with the sliding groove is arranged below the movable plate, and the movable plate can slide in the sliding groove and enables the space between the two fixed plates to be opened and closed. By the mode, the upper part of the alcohol dropping hole 31 can be sealed when the cleaning device works, and impurities in the whole system during working are prevented from entering the alcohol dropping hole 31 to cause blockage, so that the cleaning effect of the alcohol wiping device 3 on the annular blade 22 is influenced. Simultaneously, its width size that can control feed inlet 11 avoids the inside wind that is used for the clearance of frame 1 to flow to the external world from feed inlet 11 excessively, guarantees negative pressure dust collector's working effect.
In conclusion, the horizontal lithium battery pole piece splitting machine of this embodiment can conveniently adjust the interval between the pivot, reduces the probability that burr and wave limit appear in the lithium battery pole piece after cutting.
The examples described herein are merely illustrative of the preferred embodiments of the present invention and do not limit the spirit and scope of the present invention, and various modifications and improvements made to the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention shall fall within the protection scope of the present invention.
Claims (10)
1. The utility model provides a horizontal lithium-ion battery pole piece cutting machine, includes frame (1), be equipped with cutting device (2) in frame (1), its characterized in that: the cutting device (2) comprises a pair of rotating shafts (21) which are arranged along the horizontal direction, and annular blades (22) are sleeved on the rotating shafts (21); a feed inlet (11) is arranged at the position of the rack (1) above the gap between the pair of rotating shafts (21), and a discharge outlet (12) is arranged at the position of the rack (1) below the gap.
2. The horizontal lithium battery pole piece splitting machine of claim 1, which is characterized in that: the two ends of the rotating shaft (21) are connected with a mounting seat (23) through bearings respectively, the mounting seat (23) is mounted on the rack (1), and one end of the rotating shaft (21) is in transmission connection with the motor.
3. The horizontal lithium battery pole piece splitting machine of claim 2, characterized in that: one mounting seat (23) connected with the rotating shaft (21) is slidably mounted on the rack (1) and is controlled to move along the width direction of the rack (1) through a transverse driving mechanism.
4. The horizontal lithium battery pole piece splitting machine of claim 3, characterized in that: the transverse driving mechanism comprises a lead screw nut mechanism (24) and an adjusting rotating handle (25); one end of the screw rod nut mechanism (24) penetrates through a mounting seat (23) which is slidably mounted on the rack (1) along the width direction of the rack (1), the other end of the screw rod nut mechanism is fixedly sleeved with an adjusting rotating handle (25), and scales are arranged on the adjusting rotating handle (25) along the circumferential direction of the screw rod (24).
5. The horizontal lithium battery pole piece splitting machine of claim 1, which is characterized in that: also comprises an alcohol wiping device (3); the alcohol wiping device (3) is arranged on the frame (1) and positioned above the annular blade (22), and an alcohol dropping hole (31) is formed in the alcohol wiping device.
6. The horizontal lithium battery pole piece splitting machine of claim 5, characterized in that: the lower end face of the alcohol wiping device (3) is provided with a groove matched with the annular blade (22).
7. The horizontal lithium battery pole piece splitting machine of claim 5, characterized in that: the annular blades (22) are provided with a plurality of rotating shafts (21) which are sleeved with each other along the length direction of the rotating shafts (21), the lateral sides of the annular blades (22) are provided with cross beams (13) installed on the rack (1), and the alcohol wiping device (3) is installed on the cross beams (13).
8. The horizontal lithium battery pole piece splitting machine according to any one of claims 1 to 7, characterized in that: the rack (1) is of a closed structure and comprises a bottom plate (14); the discharge hole (12) is arranged on the bottom plate (14), an air inlet device is connected outside the discharge hole, and an air outlet (15) is formed in the bottom plate (14).
9. The horizontal lithium battery pole piece splitting machine of claim 8, characterized in that: the dust collecting box is characterized in that a strip hole (141) is formed in the bottom plate (14), a dust collecting box (4) installed in the strip hole (141) is arranged below the rotating shaft (21), and the air outlet (15) is formed in the bottom of the dust collecting box (4).
10. The horizontal lithium battery pole piece splitting machine of claim 9, characterized in that: one side of the upper end face of the dust collecting box (4) is provided with a bearing plate (41), and a felt (5) is arranged on the bearing plate (41).
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|---|---|---|---|
| CN202110483397.4A CN113071946A (en) | 2021-04-30 | 2021-04-30 | Horizontal lithium battery pole piece cutting machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110483397.4A CN113071946A (en) | 2021-04-30 | 2021-04-30 | Horizontal lithium battery pole piece cutting machine |
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| CN113071946A true CN113071946A (en) | 2021-07-06 |
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| CN202110483397.4A Pending CN113071946A (en) | 2021-04-30 | 2021-04-30 | Horizontal lithium battery pole piece cutting machine |
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