CN112076955A - Device for coating PVDF (polyvinylidene fluoride) coating on lithium battery diaphragm - Google Patents
Device for coating PVDF (polyvinylidene fluoride) coating on lithium battery diaphragm Download PDFInfo
- Publication number
- CN112076955A CN112076955A CN202010963330.6A CN202010963330A CN112076955A CN 112076955 A CN112076955 A CN 112076955A CN 202010963330 A CN202010963330 A CN 202010963330A CN 112076955 A CN112076955 A CN 112076955A
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- roller
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- motor
- rod
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- 239000011248 coating agent Substances 0.000 title claims abstract description 95
- 238000000576 coating method Methods 0.000 title claims abstract description 95
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 15
- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 15
- 239000002033 PVDF binder Substances 0.000 title claims abstract description 13
- 230000007246 mechanism Effects 0.000 claims abstract description 130
- 238000004804 winding Methods 0.000 claims abstract description 63
- 238000001035 drying Methods 0.000 claims abstract description 27
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims abstract description 11
- 238000004140 cleaning Methods 0.000 claims description 41
- 238000005520 cutting process Methods 0.000 claims description 18
- 238000009499 grossing Methods 0.000 claims description 13
- 230000004888 barrier function Effects 0.000 claims description 8
- 239000000725 suspension Substances 0.000 claims description 5
- 230000001360 synchronised effect Effects 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims 9
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000012528 membrane Substances 0.000 description 7
- 230000003028 elevating effect Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005096 rolling process Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011247 coating layer Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000003446 memory effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000010408 sweeping Methods 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
- B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
- B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0817—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by means for removing partially liquid or other fluent material from the roller, e.g. scrapers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0821—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line characterised by driving means for rollers or work
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
- B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
- B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
- B05C1/0826—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets
- B05C1/083—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being a web or sheets being passed between the coating roller and one or more backing rollers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05C21/00—Accessories or implements for use in connection with applying liquids or other fluent materials to surfaces, not provided for in groups B05C1/00 - B05C19/00
- B05C21/005—Masking devices
-
- 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
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/10—Changing the web roll in unwinding mechanisms or in connection with unwinding operations
- B65H19/12—Lifting, transporting, or inserting the web roll; Removing empty core
- B65H19/126—Lifting, transporting, or inserting the web roll; Removing empty core with both-ends supporting arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/26—Cutting-off the web running to the wound web roll
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
- B65H19/00—Changing the web roll
- B65H19/22—Changing the web roll in winding mechanisms or in connection with winding operations
- B65H19/30—Lifting, transporting, or removing the web roll; Inserting core
-
- 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
- B65H23/26—Registering, tensioning, smoothing or guiding webs longitudinally by transverse stationary or adjustable bars or rollers
-
- 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
- B65H23/34—Apparatus for taking-out curl from webs
Landscapes
- Battery Electrode And Active Subsutance (AREA)
Abstract
The invention discloses a device for coating a PVDF coating on a lithium battery diaphragm, which is characterized in that: including the frame, be equipped with unwinding mechanism according to the direction of advance of diaphragm in the frame, swing mechanism, clean mechanism, the coating conversion mechanism, coating mechanism, drying mechanism, shutdown mechanism and winding mechanism, the frame includes the riser, install roof and backup pad on the riser perpendicularly, be equipped with a plurality of guide rolls that are used for guiding diaphragm direction of delivery on the riser, unwinding mechanism is including being fixed in rotary rod and the bracing piece on the riser, it is provided with two mounting panels to rotate on the rotary rod, be connected with two connecting rods between two mounting panels, be connected with the hinge bar on the mounting panel in the outside, the bracing piece outer end articulates there is revolving cylinder, be equipped with revolving cylinder piston rod in the revolving cylinder, revolving cylinder piston rod upper end is articulated with the hinge bar, it unreel. The invention has higher automation degree and obviously improves the production efficiency of the diaphragm.
Description
Technical Field
The invention relates to the technical field of lithium battery diaphragm coating, in particular to a device for coating a PVDF coating on a lithium battery diaphragm.
Background
The lithium ion battery has the advantages of high specific energy, long cycle life, good safety performance, environmental friendliness, no memory effect and the like, and is widely and rapidly applied in various fields and the like. The basic function of a battery separator in a lithium battery is to separate the positive and negative electrodes and to adsorb electrolyte to allow lithium ions to pass through. The existing battery diaphragm coating device needs to be stopped in the process of replacing the wind-up roll and the wind-down roll, so that the production process is continuously interrupted, the continuous operation cannot be realized, and the coating efficiency is low.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a device for coating a PVDF coating on a lithium battery diaphragm.
In order to achieve the purpose, the invention provides the following technical scheme to realize the purpose:
a device for coating a PVDF coating on a lithium battery diaphragm comprises a rack, wherein an unwinding mechanism, a swinging mechanism, a cleaning mechanism, a coating conversion mechanism, a coating mechanism, a drying mechanism, a winding mechanism and a cutting mechanism are arranged on the rack according to the advancing direction of the diaphragm, the rack comprises a vertical plate, a top plate and a supporting plate which are vertically arranged on the vertical plate, a plurality of guide rollers for guiding the conveying direction of the diaphragm are arranged on the vertical plate, each guide roller comprises a first fixed plate and a second fixed plate which are fixed on the vertical plate, the front end of each first fixed plate is connected with a first fixed rod, the front end of each first fixed rod is connected with a fixed arm, a supporting arm is fixedly arranged in the middle of each second fixed plate, the front end and the rear end of each supporting arm are respectively connected with a;
the unwinding mechanism comprises a rotary rod and a support rod which are fixed on a vertical plate, the rotary rod is rotatably provided with two mounting plates, two connecting rods are connected between the two mounting plates, the mounting plate at the outer side is connected with a hinge rod, the outer end of the support rod is hinged with a rotary cylinder, a rotary cylinder piston rod is arranged in the rotary cylinder, the upper end of the rotary cylinder piston rod is hinged with the hinge rod, two unwinding rollers are rotatably arranged between the two mounting plates,
the swing mechanism comprises a swing frame fixed on a vertical plate, a swing shaft is rotatably arranged in the swing frame, two swing rods are fixedly arranged on the swing shaft, a guide roller is rotatably arranged between the lower parts of the two swing rods, the inner end of the swing shaft penetrates through the vertical plate and is connected with a driven bevel gear, a swing motor is arranged on the rear side of the vertical plate and is in driving connection with a driving bevel gear, and the driving bevel gear is meshed with the driven bevel gear;
the cleaning mechanism comprises two cleaning mechanisms and a supporting mechanism, the two cleaning mechanisms are arranged one above the other, the cleaning mechanisms and the supporting mechanism are respectively positioned at the front side and the back side of the diaphragm, the cleaning mechanism comprises a supporting frame fixed on a vertical plate, the supporting frame is U-shaped, the front side and the back side of the supporting frame are both provided with a slide way, a slide seat is arranged in the slide way, a rotating shaft is rotatably arranged between the two slide seats, a plurality of cleaning rollers are fixedly arranged on the rotating shaft, a first guide rod is arranged in the slide way and penetrates through the slide way, a first lead screw is arranged in one of the slide ways and is sleeved on the first lead screw, a first lead screw motor is arranged on the supporting frame, one end of the first lead screw penetrates through the supporting frame and is connected with a motor shaft of the first lead screw motor through a driving belt, the supporting mechanism comprises a supporting, a conveying belt is arranged on the driving wheel;
the coating conversion mechanism comprises a conversion motor fixed below the top plate, the lower end of a motor shaft of the conversion motor is connected with a central block, the periphery of the central block is connected with a plurality of supporting bars, the other ends of the supporting bars are connected with a circular outer frame, barrier films are arranged between every two adjacent supporting bars and the outer frame, and coating ports with different shapes are formed in each barrier film;
the coating mechanism comprises a supporting block arranged on a supporting plate, an elevating block is arranged on the supporting block in a sliding manner, an elevating cylinder is arranged below the elevating block, the upper end of a piston rod of the elevating cylinder is connected with the bottom of the elevating block, a smooth roller is arranged on the elevating block in a rotating manner, a sliding rail is arranged on the upper portion of a top plate, a sliding block is arranged on the sliding rail in a sliding manner, a second lead screw motor is fixedly arranged on the sliding block, a second lead screw is connected with the second lead screw through the driving of the second lead screw motor, the second lead screw penetrates through the top plate, the lower end of the second lead screw is connected with a rotating seat in a rotating manner, the lower portion of the rotating seat is connected with a coating frame, a second guide rod is connected with the lower portion of the top plate, guide blocks are connected with two coating roller mounting blocks on two sides of the coating frame, a coating roller is arranged, an adjusting cylinder is arranged at the upper part of the coating roller mounting block, a fixed block is arranged at the upper part of the comma roller mounting block, the right end of a piston rod of the adjusting cylinder is connected with the fixed block, the left end of the comma roller mounting block is connected with a plurality of third guide rods, the left ends of the third guide rods extend into the coating roller mounting block, the right end of the coating roller mounting block is connected with a supporting sheet, and the right end of the supporting sheet extends into the comma roller mounting block;
the drying mechanism comprises a drying seat fixed on the supporting plate, a drying box is arranged on the upper portion of the drying seat, a suspension bracket is arranged on the top of the drying box, a plurality of mounting brackets are arranged on the lower portion of the suspension bracket, mounting grooves are formed in the mounting brackets, a dryer is arranged in each mounting bracket, a fixing screw rod is arranged on the outer side of the dryer, penetrates through the mounting grooves and is connected with nuts in a threaded mode, a rotating frame and a smoothing mechanism are arranged at the bottom of the drying box, and a relaxation roller is rotatably arranged;
the cutting mechanism comprises a cutting cylinder fixed on the vertical plate, and the upper end of a piston rod of the cutting cylinder is connected with a cutter;
a rotary notch is arranged at the position corresponding to the winding mechanism on the vertical plate, the winding mechanism comprises a first rotary support and a second rotary support, a first rotary plate and a second rotary plate are respectively arranged on the first rotary support and the second rotary support in a rotating manner, two rotary seats are arranged on the first rotary plate in a rotating manner, a rotary motor is arranged at the front side of the second rotary support and drives the second rotary plate to rotate, a third screw motor is arranged at the rear side of the second rotary plate and is in driving connection with a third screw, a motor fixing frame is in threaded connection with the third screw, a winding motor is arranged on the motor fixing frame and is in driving connection with a winding roller through a coupler, a winding notch is arranged on the winding roller along the length direction of the winding roller, a through hole for the winding roller to pass through is arranged on the second rotary plate, and a winding fixing groove is arranged at the position of the winding, fixed cylinder is installed to fixed slot bottom, is connected with the fixed block on the piston rod of fixed cylinder.
Preferably, two guide rollers and a tension roller mechanism are arranged between the drying mechanism and the cutting mechanism, and the tension roller mechanism is positioned between the two guide rollers.
Preferably, the left end and the right end of the mounting plate are both provided with positioning notches, a positioning screw is arranged in the positioning notch of the mounting plate at the outer side, the inner end of the positioning screw is fixedly connected with a bearing seat, the outer end of the positioning screw is in threaded connection with a positioning nut, a positioning rod is arranged in the positioning notch of the mounting plate at the inner side, the outer end of the positioning rod is connected with a limiting block, the inner end of the positioning rod is fixedly connected with a bearing seat, the unwinding roller comprises an unwinding roller shaft and an unwinding roller body fixedly arranged on the unwinding roller shaft, the two ends of the unwinding roller shaft are respectively and correspondingly arranged in the bearing seats at the two sides, the positions of the mounting plate at the upper part and the lower part of the positioning notch at the inner side are respectively provided with a positioning hole and a fixing hole, the bottom surface and the fixed orifices intercommunication of location window, the locating pin outside is equipped with the location and marks, and locating lever periphery symmetry is equipped with two constant head tanks.
Preferably, the cleaning rollers on the rotating shaft are arranged at equal intervals, and the cleaning rollers in the upper and lower cleaning mechanisms are arranged in a staggered manner.
As preferred, smooth mechanism includes the diaphragm, the diaphragm lower part is equipped with the jacking cylinder, the piston rod upper end of jacking cylinder is connected with the lower terminal surface of diaphragm, diaphragm upper portion is equipped with the mount, mount upper portion is rotated and is provided with the dwang, the fixed gyro wheel seat that is provided with on the dwang, it smooths the gyro wheel to rotate to be provided with on the gyro wheel seat, gyro wheel seat side is provided with micro motor, micro motor drive smooths the gyro wheel and rotates, gyro wheel seat right side is connected with synchronous board, it has the synchronizing bar to articulate between two adjacent synchronous boards, one of them dwang passes mount setting and lower extreme and is connected with driven gear, the mount bottom is equipped with adjusting motor, adjusting motor drive is connected with the driving gear, the mount side is equipped with.
Preferably, the periphery of the through hole is provided with a guide notch, and the periphery of the winding motor is provided with a guide strip matched with the guide notch.
The invention has the beneficial effects that: two unwinding rollers are arranged, wherein in the unwinding process of one of the two unwinding rollers, the other one can be replaced to be in a preparation state, and the two unwinding rollers can be directly alternated when needed without stopping the machine; two winding rollers are arranged, one winding roller rotates to the other side to perform falling treatment on the diaphragm after winding is completed, and the other winding roller rotates to a winding position to continue winding the diaphragm when the other winding roller is empty; the coating conversion mechanism can control the shape of the coating coated on the diaphragm and adjust the coating according to corresponding production requirements.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the present invention;
FIG. 3 is a schematic view of a partial structure of the unwinding mechanism of the present invention;
FIG. 4 is a rear view of the unwinding mechanism of the present invention;
FIG. 5 is an enlarged schematic view at A of FIG. 4;
FIG. 6 is an enlarged schematic view at A in FIG. 5;
FIG. 7 is a schematic view of the cleaning mechanism of the present invention;
FIG. 8 is a schematic view of the sweeping mechanism of the present invention;
FIG. 9 is a schematic view of the construction of the coating transfer mechanism of the present invention;
FIG. 10 is a schematic view of the structure of the coating mechanism of the present invention;
FIG. 11 is a partial schematic view of a coating mechanism of the present invention;
FIG. 12 is a schematic structural view of a drying mechanism according to the present invention;
FIG. 13 is a schematic structural view of a smoothing mechanism according to the present invention;
FIG. 14 is a bottom view of the smoothing mechanism of the present invention;
FIG. 15 is a schematic structural view of a winding mechanism according to the present invention;
FIG. 16 is an enlarged schematic view at A of FIG. 15;
FIG. 17 is a partial schematic view of a winding mechanism of the present invention;
fig. 18 is a schematic view showing the structure of a guide roll in the present invention.
Reference numerals: 1. a frame; 11. a vertical plate; 12. a top plate; 13. a support plate; 14. rotating the notch; 15. a guide roller; 1501. a first fixing plate; 1502. a first fixing lever; 1503. a fixed arm; 1504. a second fixing plate; 1505. a support arm; 1506. a front end plate; 1507. a rear end plate; 1508. a rotating roller; 16. a tension roller mechanism;
2. an unwinding mechanism; 201. rotating the rod; 202. mounting a plate; 2021. positioning the notch; 2022. positioning holes; 2023. a spring; 2024. positioning pins; 2025. positioning and marking; 2026. positioning the window; 2027. a fixing hole; 203. a support bar; 204. a rotating cylinder; 205. rotating a cylinder piston rod; 206. a hinged lever; 207. a connecting rod; 208. unwinding rollers; 2081. unwinding the roller body; 2082. a unwinding roller shaft; 209. a limiting block; 2010. positioning a rod; 2011. a bearing seat; 2012. positioning a screw rod; 2013. positioning a nut; 2014. positioning a groove; 2015. a set screw;
3. a swing mechanism; 301. a swing frame; 302. a swing lever; 303. a guide roller; 304. a swing motor; 305. a drive bevel gear; 306. a driven bevel gear;
4. a cutting mechanism; 401. cutting off the air cylinder; 402. a cutter;
5. a cleaning mechanism; 501. a cleaning mechanism; 5011. a support frame; 5012. a slideway; 5013. a sliding seat; 5014. a rotating shaft; 5015. cleaning the roller; 5016. a first guide bar; 5017. a first lead screw; 5018. a first lead screw motor; 5019. a transmission belt;
502. a support mechanism; 5021. a support frame; 5022. a drive wheel; 5023. a conveyor belt;
6. a coating conversion mechanism; 601. a center block; 602. an outer frame; 603. a supporting strip; 604. blocking the membrane; 605. a coating port;
7. a coating mechanism; 701. a support block; 702. a lifting block; 703. a smoothing roller; 704. a lifting cylinder; 705. a coating frame; 706. a coating roll mounting block; 707. a coating roll; 708. a comma roller mounting block; 709. a comma roller; 7010. a slurry tank; 7011. a guide block; 7012. a second guide bar; 7013. a slide rail; 7014. a slider; 7015. a second lead screw motor; 7016. a second lead screw; 7017. a rotating seat; 7018. an adjusting cylinder; 7019. a fixed block; 7020. a third guide bar; 7021. a support sheet;
8. a drying mechanism; 81. a drying seat; 82. a drying box; 83. a mounting frame; 84. mounting grooves; 85. a dryer; 86. fixing the screw rod; 87. a rotating frame; 88. a relaxation roller; 89. a smoothing mechanism; 891. a transverse plate; 892. jacking a cylinder; 893. a fixed mount; 894. rotating the rod; 895. a roller seat; 896. smoothing the roller; 897. a micro motor; 898. a synchronization board; 899. a synchronization lever; 8910. a driven gear; 8911. adjusting the motor; 8912. a driving gear; 8913. a fixed seat; 8914. a transmission member; 810. a suspension bracket;
9. a winding mechanism; 901. a first rotating bracket; 902. a first rotating plate; 903. a rotating base; 904. a second rotating bracket; 905. a rotating electric machine; 906. a second rotating plate; 907. a through hole; 908. a third screw motor; 909. a third screw rod; 9010. a motor fixing frame; 9011. a winding motor; 9012. a coupling; 9013. a wind-up roll; 9014. winding a notch; 9015. a guide notch; 9016. a guide strip; 9017. fixing grooves; 9018. fixing the air cylinder; 9019. and (5) fixing blocks.
Detailed Description
Embodiments of the present invention are described in detail below with reference to fig. 1-16.
The utility model provides a device for lithium cell diaphragm coating PVDF coating, includes frame 1, is equipped with unwinding mechanism 2, swing mechanism 3, clean mechanism 5, coating conversion mechanism 6, coating mechanism 7, stoving mechanism 8, shutdown mechanism 4 and winding mechanism 9 according to the advancing direction of diaphragm in frame 1, and frame 1 includes riser 11, installs roof 12 and backup pad 13 on riser 11 perpendicularly, is equipped with a plurality of guide roll 15 that is used for guiding diaphragm direction of delivery on riser 11. The guide roller 15 comprises a first fixing plate 1501 and a second fixing plate 1504 fixed on the vertical plate 11, the front end of the first fixing plate 1501 is connected with a first fixing rod 1502, the front end of the first fixing rod 1502 is connected with a fixing arm 1503, a supporting arm 1505 is fixedly arranged at the middle position of the second fixing plate 1504, the front end and the rear end of the supporting arm 1505 are respectively connected with a front end plate 1506 and a rear end plate 1507, the supporting arm 1505 penetrates through the fixing arm 1503, and a rotating roller 1508 is rotatably arranged between the front end plate 1506 and the rear end plate 1507.
The unreeling mechanism 2 comprises a rotating rod 201 and a supporting rod 203 fixed on a vertical plate 11, two mounting plates 202 are rotatably arranged on the rotating rod 201, two connecting rods 207 are connected between the two mounting plates 202, an articulated rod 206 is connected on the mounting plate 202 on the outer side, a rotating cylinder 204 is articulated at the outer end of the supporting rod 203, a rotating cylinder piston rod 205 is arranged in the rotating cylinder 204, the upper end of the rotating cylinder piston rod 205 is articulated with the articulated rod 206, two unreeling rollers 208 are rotatably arranged between the two mounting plates 202, the rotating cylinder 204 controls the extension and retraction of the rotating cylinder piston rod 205, the mounting plate 202 on the outer side is driven to rotate by the articulated rod 206, the mounting plate 202 on the outer side drives the mounting plate 202 on the inner side to synchronously rotate by the connecting rod 207, so that the angle of the mounting plates 202 is changed, one unreel, the convenient dismouting of carrying on it is changed. Set up two unreel roller 208, when one unreels, another can assemble in advance, unreel the back completely at the diaphragm on the roller 208 of unreeling, can continue immediately, reduced the time of change, need not to shut down moreover, improved the whole efficiency of production.
The swing mechanism 3 comprises a swing frame 301 fixed on a vertical plate 11, a swing shaft is rotatably arranged in the swing frame 301, two swing rods 302 are fixedly mounted on the swing shaft, a guide roller 303 is rotatably arranged between the lower parts of the two swing rods 302, the inner end of the swing shaft penetrates through the vertical plate 11 and is connected with a driven bevel gear 306, a swing motor 304 is arranged on the rear side of the vertical plate 11, the swing motor 304 is in driving connection with a drive bevel gear 305, and the drive bevel gear 305 is meshed with the driven bevel gear 306. The swing motor 304 drives the drive bevel gear 305 to rotate, and then drives the swing shaft to rotate through the driven bevel gear 306, and then rotates through the swing lever 302 to adjust the position of the guide roller 303. The guide roller 303 is adjusted back and forth between two positions, which correspond to the situation when the two unwinding rollers 208 are located above the unwinding diaphragm, respectively, so as to guide the diaphragm to advance in a designated direction.
The cleaning mechanism 5 comprises two cleaning mechanisms 501 and a supporting mechanism 502, the two cleaning mechanisms 501 are arranged one above the other, the cleaning mechanisms 501 and the supporting mechanism 502 are respectively positioned at the front side and the back side of the diaphragm, the cleaning mechanism 501 comprises a supporting frame 5011 fixed on a vertical plate 11, the supporting frame 5011 is U-shaped, the front side and the back side of the supporting frame 5011 are respectively provided with a slideway 5012, the slideway 5012 is internally provided with a sliding seat 5013, a rotating shaft 5014 is rotatably arranged between the two sliding seats 5013, the rotating shaft 5014 is fixedly provided with a plurality of cleaning rollers 5015, the slideway 5012 is internally provided with a first guide rod 5016, the first guide rod 5016 penetrates through the sliding seats 5013, one slideway 5012 is internally provided with a first lead screw 5017, the sliding seat 5013 is sleeved on the first lead screw 5017, the supporting frame 5011 is provided with a first lead screw motor 5018, one end of the first lead screw 5017 penetrates through the supporting frame 5011 and is connected with a motor, the supporting mechanism 502 includes a supporting frame 5021 vertically connected with a vertical plate 11, a plurality of driving wheels 5022 are rotatably arranged on the supporting frame 5021, and a conveying belt 5023 is arranged on the driving wheels 5022. The first lead screw 5017 is driven by a first lead screw motor 5018 through a transmission belt 5019 to rotate, so that the sliding seat 5013 moves in the slideway 5012. When the membrane needs to be cleaned, the sliding seat 5013 is controlled to move rightward, so that the cleaning roller 5015 contacts with the membrane. In the process of advancing the diaphragm, the cleaning roller 5015 is driven to rotate, so that impurities on the diaphragm are swept away. When the cleaning effect needs to be improved, the sliding seat 5013 is moved rightwards until the cleaning roller 5015 presses the diaphragm against the conveying belt 5023, and at the moment, the cleaning roller 5015 is tightly attached to the diaphragm to increase the force during cleaning, so that better cleaning effect is achieved.
The coating mechanism 7 comprises a supporting block 701 arranged on the supporting plate 13, a lifting block 702 is arranged on the supporting block 701 in a sliding mode, a lifting cylinder 704 is arranged below the lifting block 702, the upper end of a piston rod of the lifting cylinder 704 is connected with the bottom of the lifting block 702, a smooth roller 703 is arranged on the lifting block 702 in a rotating mode, the piston rod of the smooth roller 703 is controlled to stretch through the lifting cylinder 704, and the height of the smooth roller 703 can be adjusted. A slide rail 7013 is arranged on the upper part of the top plate 12, a slide block 7014 is arranged on the slide rail 7013 in a sliding manner, a second lead screw motor 7015 is fixedly arranged on the slide block 7014, a second lead screw 7016 is connected with the second lead screw motor 7015 in a driving manner, the second lead screw 7016 penetrates through the top plate 12 and is rotatably connected with a rotating seat 7017 at the lower end thereof, a coating rack 705 is connected with the lower part of the rotating seat 7017, a second guide rod 7012 is connected with the lower part of the top plate 12, guide blocks 7011 are connected with both sides of the coating rack 705, a second guide rod 7012 penetrates through the guide block 7011, two coating roller mounting blocks 706 are connected with the lower part of the coating rack 705, a coating roller 707 is rotatably arranged between the two coating roller mounting blocks 706 at the front side and the rear side, a comma roller mounting block 708 is arranged on the right side of the mounting block 706, a comma roller 709 is fixedly arranged between the two comma, the right end of a piston rod of the adjusting cylinder 7018 is connected with a fixed block 7019, the left end of a comma roller mounting block 708 is connected with a plurality of third guide rods 7020, the left end of each third guide rod 7020 extends into the interior of the corresponding coating roller mounting block 706, the right end of the corresponding coating roller mounting block 706 is connected with a supporting sheet 7021, the right end of the corresponding supporting sheet 7021 extends into the interior of the comma roller mounting block 708, and the third guide rods 7020 and the supporting sheet 7021 are arranged in a staggered mode and play a role in guiding and supporting. The second lead screw motor 7015 drives the second lead screw 7016 to rotate to drive the coating stand 705 to ascend and descend, thereby adjusting the height of the coating roller 707. The lifting cylinder 704 adjusts the height of the smooth roll 703 quickly but with low precision, and the second lead screw motor 7015 adjusts the height of the coating roll 707 slowly but with high precision. In combination, the smooth roll 703 and the coating roll 707 can be quickly and accurately adjusted to the appropriate distance. A comma roller 709 is used to scrape off excess paint on the coating roller 707, and a regulation cylinder 7018 is used to control the distance between the coating roller 707 and the comma roller 709 to control the thickness of the paint coated on the separator.
The coating conversion mechanism 6 comprises a conversion motor fixed below the top plate 12, the lower end of a motor shaft of the conversion motor is connected with a central block 601, the periphery of the central block 601 is connected with a plurality of supporting bars 603, the other end of each supporting bar 603 is connected with a circular outer frame 602, barrier films 604 are arranged between every two adjacent supporting bars 603 and the outer frames 602, and coating ports 605 with different shapes are formed in each barrier film 604. The barrier film 604 is positioned between the smooth roller 703 and the coating roller 707, and the shape of the coating on the diaphragm is controlled by the shape of the coating opening 605, that is, the part of the coating on the coating roller 707, which is positioned in the opening, can be coated on the diaphragm through the opening, and the rest of the coating is blocked by the barrier film 604. The switching motor drives the central block 601 to rotate to drive the blocking film 604 to rotate, so that the openings with different shapes on the blocking film 604 are positioned between the coating roller 707 and the smooth roller 703, and coating layers with different shapes are formed on the diaphragm.
The cutting mechanism 4 includes a cutting cylinder 406 fixed to the vertical plate 11, and a cutter 407 is connected to an upper end of a piston rod of the cutting cylinder 406. The cutting cylinder 406 controls the piston rod to extend, so as to drive the cutter 407 to move upwards, and cut off the diaphragm positioned between the two winding rollers 9013.
A rotary notch 14 is formed in a position, corresponding to the winding mechanism 9, of the vertical plate 11, the winding mechanism 9 includes a first rotary support 901 and a second rotary support 904, a first rotary plate 902 and a second rotary plate 906 are respectively rotatably arranged on the first rotary support 901 and the second rotary support 904, two rotary seats 903 are rotatably arranged on the first rotary plate 902, a rotary motor 905 is arranged on the front side of the second rotary support 904, the rotary motor 905 drives the second rotary plate 906 to rotate, a third screw rod motor 908 is arranged on the rear side of the second rotary plate 906, the third screw rod motor 908 is connected with a third screw rod 909 in a driving manner, a motor fixing frame 9010 is in threaded connection with the third screw rod, a winding motor 9011 is mounted on the motor fixing frame 9010, the winding motor 9011 is connected with a winding roller 9013 in a driving manner through a coupler 9012, a winding notch 9014 is formed in the winding roller 9013 along the length direction, and a through hole 907 for the winding roller 9013 to pass through is. The third screw motor 908 drives the third screw 909 to rotate, so that the winding roller 9013 is driven by the motor fixing frame 9010 to move back and forth, the winding roller 9013 moves forward, the front end of the winding roller 9013 is inserted into the rotating seat 903 and fixedly mounted, or the winding roller 9013 moves backward, and the front end of the winding roller 9013 is immersed into the through hole 907.
A fixing groove 9017 is formed in the end portion of the winding gap 9014 of the winding roller 9013, a fixing cylinder 9018 is installed at the bottom of the fixing groove 9017, and a fixing block 9019 is connected to a piston rod of the fixing cylinder 9018. The isolating membrane penetrates into the rolling notch 9014, the piston rod of the fixing cylinder 9018 extends, and the fixing block 9019 moves towards the rolling notch 9014, so that the isolating membrane in the rolling notch 9014 is fixed, and the rolling roller 9013 can roll the isolating membrane conveniently.
A notch for inserting the front end of the wind-up roll 9013 is formed in the rotating seat 903, a positioning convex block is arranged in the notch, a positioning notch is formed in the front end of the wind-up roll 9013, and the positioning convex block and the positioning notch are matched with each other to form positioning and fixing. So that the wind-up roll 9013 can rotate smoothly, and when the second rotating plate 906 rotates, the first rotating plate 902 can be driven to rotate synchronously by the rotating base 903.
After the membrane is wound on the left winding roller 9013, the rotating motor 905 drives the second rotating plate 906 to rotate anticlockwise, and the winding roller 9013 which finishes winding rotates to the right side. Meanwhile, the take-up roll 9013 which is taken up at the rear side reaches the left side, and under the action of the third screw motor 908, the take-up roll moves forward and enables the diaphragm to penetrate into the take-up notch 9014. The left winding roller 9013 is driven by the winding motor 9011 to rotate, the diaphragm is wound on the left winding roller 9013, meanwhile, the diaphragm located between the two winding rollers 9013 is tensioned, and the cutting mechanism 4 operates to cut the diaphragm at a position between the two winding rollers 9013. The right take-up roll 9013 moves backwards under the action of the third screw motor 908, so that the diaphragm wound on the right take-up roll falls off.
Two guide rollers 15 and a tension roller mechanism 16 are arranged between the drying mechanism 8 and the cutting mechanism 4, and the tension roller mechanism 16 is positioned between the two guide rollers 15. The tension roller mechanism 16 is used to adjust the tension of the diaphragm so that it is tensioned.
Positioning notches 2021 are formed in the left end and the right end of the mounting plate 202, a positioning screw 2012 is arranged in the positioning notch 2021 of the mounting plate 202 on the outer side, a bearing seat 2011 is fixedly connected to the inner end of the positioning screw 2012, a positioning nut 2013 is connected to the outer end of the positioning screw 2012, a positioning rod 2010 is arranged in the positioning notch 2021 of the mounting plate 202 on the inner side, a limiting block 209 is connected to the outer end of the positioning rod 2010, a bearing seat 2011 is fixedly connected to the inner end of the positioning rod 2010, the unwinding roller 208 comprises an unwinding roller shaft 2082 and an unwinding roller body 2081 fixedly mounted on the unwinding roller shaft 2082, two ends of the unwinding roller shaft 2082 are correspondingly mounted in the bearing seats 2011 on two sides respectively, a positioning hole 2022 and a fixing hole 2027 are formed in the positions, which are located above and below the positioning notch 2021, a positioning screw 2015 is arranged in the positioning hole 2022, Reducing section and aperture section, set screw 2015 is from the big aperture section when passing through the reducing section, its lower extreme can aim at the aperture section automatically and accomplish the location, convenient follow-up twist in the locating lever 2010, the fixed orifices 2027 bottom is connected with spring 2023, spring 2023 upper end is connected with locating pin 2024, inboard mounting panel 202 has been seted up with the position department that the fixed orifices 2027 corresponds and has been fixed a window 2026, the bottom surface and the fixed orifices 2027 intercommunication of fixed window 2026, the locating pin 2024 outside is equipped with the location and marks 2025, locating lever 2010 periphery symmetry is equipped with two constant head tanks 2014. After the positioning rod 2010 is installed in the positioning notch 2021, the positioning rod is rotated until one positioning groove 2014 corresponds to the positioning pin 2024, so that the positioning pin 2024 is lifted up under the action of the spring 2023 to be clamped in the positioning groove 2014. By observing the position of the positioning mark 2025 through the positioning window 2026, it can be determined whether the positioning pin 2024 is inserted into the positioning groove 2014 of the positioning rod 2010. And then, a positioning screw 2015 is inserted into the positioning hole 2022, and the positioning screw 2015 is screwed into the other positioning groove 2014 by means of a tool, so that the positioning rod 2010 is fixed in the positioning notch 2021 to prevent the positioning rod from moving in the unreeling process. Meanwhile, the positioning pin 2024 can be pulled to move downwards through the positioning mark 2025, so that the positioning pin 2024 is pulled out of the positioning groove 2014 of the positioning rod 2010.
The cleaning rollers 5015 on the rotating shaft 5014 are disposed at equal intervals, and the cleaning rollers 5015 in the upper and lower cleaning mechanisms 501 are disposed at a position different from each other.
The leveling mechanism 89 comprises a transverse plate 891, a jacking cylinder 892 is arranged at the lower part of the transverse plate 891, the upper end of a piston rod of the jacking cylinder 892 is connected with the lower end face of the transverse plate 891, and the jacking cylinder 892 is used for controlling the lifting of the transverse plate 891. The upper portion of the transverse plate 891 is provided with a fixing frame 893, the upper portion of the fixing frame 893 is rotatably provided with a rotating rod 894, the rotating rod 894 is fixedly provided with a roller seat 895, the roller seat 895 is rotatably provided with a smoothing roller 896, the side surface of the roller seat 895 is provided with a micro motor 897, the micro motor 897 drives the smoothing roller 896 to rotate, the right side of the roller seat 895 is connected with a synchronizing plate 898, a synchronizing rod 899 is hinged between two adjacent synchronizing plates 898, the synchronizing rod 899 is used for controlling the roller seat 895 to rotate synchronously, so that each smoothing roller 896 keeps the same angle. One of them dwang 894 passes the setting of mount 893 and the lower extreme is connected with driven gear 8910, and the mount 893 bottom is equipped with adjustment motor 8911, and adjustment motor 8911 drive is connected with driving gear 8912, and the mount 893 side is equipped with fixing base 8913, rotates on the fixing base 8913 and is provided with driving medium 8914, and driving gear 8912, driven gear 8910 mesh with driving medium 8914 respectively. The adjustment motor 8911 drives the driving gear 8912 to rotate, and the driving member 8914 drives the driven gear 8910 to rotate, so as to drive the rotating rod 894 passing through the fixed frame 893 to rotate, so as to rotate one of the roller seats 895, and further, the synchronizing rod 899 is used to rotate all the roller seats 895 synchronously. Each smoothing roller 896 is adjusted to suitable angle, drives it to expand to the outside in the diaphragm process of advancing for the diaphragm can be opened out completely.
A guide notch 9015 is formed in the periphery of the through hole 907, and a guide strip 9016 matched with the guide notch 9015 is formed in the periphery of the winding motor 9011. .
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (6)
1. An apparatus for coating PVDF coating on a lithium battery diaphragm is characterized in that: the device comprises a rack (1), wherein an unreeling mechanism (2), a swinging mechanism (3), a cleaning mechanism (5), a coating conversion mechanism (6), a coating mechanism (7), a drying mechanism (8), a reeling mechanism (9) and a cutting mechanism (4) are arranged on the rack (1) according to the advancing direction of a diaphragm, the rack (1) comprises a vertical plate (11), a top plate (12) and a supporting plate (13) which are vertically arranged on the vertical plate (11), a plurality of guide rollers (15) used for guiding the conveying direction of the diaphragm are arranged on the vertical plate (11), each guide roller (15) comprises a first fixing plate (1501) and a second fixing plate (1504) which are fixed on the vertical plate (11), the front end of each first fixing plate (1501) is connected with a first fixing rod (1502), the front end of each first fixing rod (1502) is connected with a fixing arm (1503), and a supporting arm (1505) is fixedly arranged in the, the front end and the rear end of the supporting arm (1505) are respectively connected with a front end plate (1506) and a rear end plate (1507), the supporting arm (1505) passes through the fixing arm (1503) to be arranged, and a rotating roller (1508) is rotatably arranged between the front end plate (1506) and the rear end plate (1507);
the unwinding mechanism (2) comprises a rotating rod (201) and a supporting rod (203) which are fixed on a vertical plate (11), the rotating rod (201) is rotatably provided with two mounting plates (202), two connecting rods (207) are connected between the two mounting plates (202), the mounting plates (202) on the outer side are connected with a hinge rod (206), the outer end of the supporting rod (203) is hinged with a rotating cylinder (204), a rotating cylinder piston rod (205) is arranged in the rotating cylinder (204), the upper end of the rotating cylinder piston rod (205) is hinged with the hinge rod (206), and two unwinding rollers (208) are rotatably arranged between the two mounting plates (202);
the swing mechanism (3) comprises a swing frame (301) fixed on a vertical plate (11), a swing shaft is rotatably arranged in the swing frame (301), two swing rods (302) are fixedly mounted on the swing shaft, a guide roller (303) is rotatably arranged between the lower parts of the two swing rods (302), the inner end of the swing shaft penetrates through the vertical plate (11) and is connected with a driven bevel gear (306), a swing motor (304) is arranged on the rear side of the vertical plate (11), the swing motor (304) is connected with a driving bevel gear (305) in a driving mode, and the driving bevel gear (305) is meshed with the driven bevel gear (306);
the cleaning mechanism (5) comprises two cleaning mechanisms (501) and a supporting mechanism (502), the two cleaning mechanisms (501) are arranged one on the other, the cleaning mechanisms (501) and the supporting mechanism (502) are respectively located on the front side and the back side of a diaphragm, the cleaning mechanisms (501) comprise supporting frames (5011) fixed on a vertical plate (11), the supporting frames (5011) are U-shaped, slides (5012) are respectively arranged on the front side and the back side of the supporting frames (5011), sliding seats (5013) are arranged in the slides (5012), two rotating shafts (5014) are arranged between the sliding seats (5013) in a rotating mode, a plurality of cleaning rollers (5015) are fixedly installed on the rotating shafts (5014), first guide rods (5016) are arranged in the slides (5012), the first guide rods (5016) penetrate through the sliding seats (5013), one of the first guide rods (5017) are arranged in the slides (5012), the sliding seat (5013) is sleeved on a first screw rod (5017), a first screw rod motor (5018) is installed on a supporting frame (5011), one end of the first screw rod (5017) penetrates through the supporting frame (5011) and is connected with a motor shaft of the first screw rod motor (5018) through a transmission belt (5019), the supporting mechanism (502) comprises a supporting frame (5021) vertically connected with a vertical plate (11), a plurality of driving wheels (5022) are rotatably arranged on the supporting frame (5021), and a conveying belt (5023) is arranged on the driving wheels (5022);
the coating conversion mechanism (6) comprises a conversion motor fixed below the top plate (12), the lower end of a motor shaft of the conversion motor is connected with a central block (601), the periphery of the central block (601) is connected with a plurality of supporting strips (603), the other end of each supporting strip (603) is connected with a circular outer frame (602), barrier films (604) are arranged between every two adjacent supporting strips (603) and the outer frames (602), and coating ports (605) with different shapes are formed in each barrier film (604);
the coating mechanism (7) comprises a supporting block (701) arranged on a supporting plate (13), a lifting block (702) is arranged on the supporting block (701) in a sliding manner, a lifting cylinder (704) is arranged below the lifting block (702), the upper end of a piston rod of the lifting cylinder (704) is connected with the bottom of the lifting block (702), a smooth roller (703) is arranged on the lifting block (702) in a rotating manner, a sliding rail (7013) is arranged on the upper portion of the top plate (12), a sliding block (7014) is arranged on the sliding rail (7013) in a sliding manner, a second lead screw motor (7015) is fixedly arranged on the sliding block (7014), a second lead screw (7016) is connected with the second lead screw (7015) in a driving manner, the second lead screw (7016) penetrates through the top plate (12) and is rotatably connected with a rotating base (7017) at the lower end, a coating rack (705) is connected with the lower portion of the rotating base (7017), a, the coating frame (705) both sides are connected with guide block (7011), second guide bar (7012) runs through guide block (7011) and sets up, coating frame (705) sub-unit connection has two coating roller installation pieces (706), two of front and back side rotate between coating roller installation piece (706) and be provided with coating roller (707), installation piece (706) right side is equipped with comma roller installation piece (708), two fixed comma roller (709) that is provided with between comma roller installation piece (708), coating roller installation piece (706) upper portion is provided with adjust cylinder (7018), comma roller installation piece (708) upper portion is equipped with fixed block (7019), the piston rod right-hand member of adjust cylinder (7018) is connected with fixed block (7019), comma roller installation piece (708) left end is connected with a plurality of third guide bars (7020), third guide bar (7020) left end stretches into coating roller installation piece (706) inside, the right end of the coating roller mounting block (706) is connected with a support sheet (7021), and the right end of the support sheet (7021) extends into the comma roller mounting block (708);
the drying mechanism (8) comprises a drying seat (81) fixed on a supporting plate (13), a drying box (82) is arranged on the upper portion of the drying seat (81), a suspension frame (810) is arranged at the top of the drying box (82), a plurality of mounting frames (83) are arranged on the lower portion of the suspension frame (810), mounting grooves (84) are formed in the mounting frames (83), a dryer (85) is arranged in the mounting frames (83), fixing screws (86) are arranged on the outer sides of the dryer (85), the fixing screws (86) penetrate through the mounting grooves (84) and are in threaded connection with nuts, a rotating frame (87) and a flattening mechanism (89) are arranged at the bottom of the drying box (82), and a relaxation roller (88) is rotatably arranged on the rotating frame (87);
the cutting mechanism (4) comprises a cutting cylinder (406) fixed on the vertical plate (11), and the upper end of a piston rod of the cutting cylinder (406) is connected with a cutter (407);
a rotary notch (14) is formed in the position, corresponding to the winding mechanism (9), of the vertical plate (11), the winding mechanism (9) comprises a first rotary support (901) and a second rotary support (904), a first rotary plate (902) and a second rotary plate (906) are respectively arranged on the first rotary support (901) and the second rotary support (904) in a rotating manner, two rotary seats (903) are arranged on the first rotary plate (902) in a rotating manner, a rotary motor (905) is arranged on the front side of the second rotary support (904), the rotary motor (905) drives the second rotary plate (906) to rotate, a third lead screw motor (908) is arranged on the rear side of the second rotary plate (906), the third lead screw motor (908) is in driving connection with a third lead screw (909), a motor fixing frame (9010) is in threaded connection with the third lead screw (909), and a winding motor (9011) is installed on the motor fixing frame (9010), the winding motor (9011) is connected with a winding roller (9013) through a coupler (9012) in a driving mode, a winding notch (9014) is formed in the winding roller (9013) along the length direction of the winding roller, a through hole (907) through which the winding roller (9013) penetrates is formed in the second rotating plate (906), a fixing groove (9017) is formed in the position, located at the end of the winding notch (9014), of the winding roller (9013), a fixing cylinder (9018) is installed at the bottom of the fixing groove (9017), and a fixing block (9019) is connected to a piston rod of the fixing cylinder (9018).
2. The device for coating the PVDF coating on the lithium battery diaphragm according to claim 1, is characterized in that: two guide rollers (15) and a tension roller mechanism (16) are arranged between the drying mechanism (8) and the cutting mechanism (4), and the tension roller mechanism (16) is positioned between the two guide rollers (15).
3. The device for coating the PVDF coating on the lithium battery diaphragm according to claim 1, is characterized in that: locating notches (2021) are respectively formed at the left end and the right end of the mounting plate (202), a locating screw (2012) is arranged in the locating notch (2021) of the mounting plate (202) at the outer side, a bearing seat (2011) is fixedly connected with the inner end of the locating screw (2012), a locating nut (2013) is connected with the outer end of the locating screw (2012), a locating rod (2010) is arranged in the locating notch (2021) of the mounting plate (202) at the inner side, the outer end of the locating rod (2010) is connected with a limiting block (209), a bearing seat (2011) is fixedly connected with the inner end of the locating rod (2010), the unwinding roller (208) comprises an unwinding roller shaft (2082) and an unwinding roller body (2081) fixedly arranged on the unwinding roller shaft (2082), the two ends of the unwinding roller shaft (2082) are respectively and correspondingly arranged in the bearing seats (2011) at the two sides, and a locating hole (2022) and a fixing seat ( Hole (2027), be equipped with set screw (2015) in locating hole (2022), fixed orifices (2027) bottom connection has spring (2023), spring (2023) upper end is connected with locating pin (2024), and is inboard location window (2026) have been seted up with the position department that fixed orifices (2027) correspond to mounting panel (202), the bottom surface and the fixed orifices (2027) of location window (2026) communicate, locating pin (2024) outside is equipped with location mark (2025), locating lever (2010) periphery symmetry is equipped with two constant head tanks (2014).
4. The device for coating the PVDF coating on the lithium battery diaphragm according to claim 1, is characterized in that: the cleaning rollers (5015) on the rotating shaft (5014) are arranged at equal intervals, and the cleaning rollers (5015) in the upper cleaning mechanism (501) and the lower cleaning mechanism (501) are arranged in a staggered mode.
5. The device for coating the PVDF coating on the lithium battery diaphragm according to claim 1, is characterized in that: the smoothing mechanism (89) comprises a transverse plate (891), a jacking cylinder (892) is arranged at the lower part of the transverse plate (891), the upper end of a piston rod of the jacking cylinder (892) is connected with the lower end face of the transverse plate (891), a fixing frame (893) is arranged at the upper part of the transverse plate (891), a rotating rod (894) is arranged on the upper part of the fixing frame (893) in a rotating manner, a roller seat (895) is fixedly arranged on the rotating rod (894), a smoothing roller (896) is arranged on the roller seat (895) in a rotating manner, a micro motor (897) is arranged on the side face of the roller seat (895), the micro motor (897) drives the smoothing roller (896) to rotate, a synchronous plate (898) is connected to the right side of the roller seat (895), a synchronous rod (899) is hinged between the two adjacent synchronous plates (898), one of the rotating rod (894) passes through the fixing frame (893, mount (893) bottom is equipped with adjusting motor (8911), adjusting motor (8911) drive connection has driving gear (8912), mount (893) side is equipped with fixing base (8913), it is provided with driving medium (8914) to rotate on fixing base (8913), driving gear (8912), driven gear (8910) mesh with driving medium (8914) respectively.
6. The device for coating the PVDF coating on the lithium battery diaphragm according to claim 1, is characterized in that: the periphery of the through hole (907) is provided with a guide notch (9015), and the periphery of the winding motor (9011) is provided with a guide strip (9016) matched with the guide notch (9015).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010963330.6A CN112076955A (en) | 2020-09-14 | 2020-09-14 | Device for coating PVDF (polyvinylidene fluoride) coating on lithium battery diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010963330.6A CN112076955A (en) | 2020-09-14 | 2020-09-14 | Device for coating PVDF (polyvinylidene fluoride) coating on lithium battery diaphragm |
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| CN112076955A true CN112076955A (en) | 2020-12-15 |
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| CN202010963330.6A Withdrawn CN112076955A (en) | 2020-09-14 | 2020-09-14 | Device for coating PVDF (polyvinylidene fluoride) coating on lithium battery diaphragm |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113000314A (en) * | 2021-01-26 | 2021-06-22 | 杭州科斐新材料有限公司 | Coating equipment for lithium battery processing |
| CN113181052A (en) * | 2021-04-16 | 2021-07-30 | 杭州塑料工业有限公司 | Molding equipment and molding process of solid medicinal PE composite hard sheet |
| CN114472040A (en) * | 2022-01-05 | 2022-05-13 | 江苏新之阳新能源科技有限公司 | Tectorial membrane coating device is used in production of solar energy thin film battery |
| CN114873349A (en) * | 2022-06-27 | 2022-08-09 | 巩义市泛锐熠辉复合材料有限公司 | Thin gel fiber product, production equipment and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113000314A (en) * | 2021-01-26 | 2021-06-22 | 杭州科斐新材料有限公司 | Coating equipment for lithium battery processing |
| CN113181052A (en) * | 2021-04-16 | 2021-07-30 | 杭州塑料工业有限公司 | Molding equipment and molding process of solid medicinal PE composite hard sheet |
| CN114472040A (en) * | 2022-01-05 | 2022-05-13 | 江苏新之阳新能源科技有限公司 | Tectorial membrane coating device is used in production of solar energy thin film battery |
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| CN114873349A (en) * | 2022-06-27 | 2022-08-09 | 巩义市泛锐熠辉复合材料有限公司 | Thin gel fiber product, production equipment and preparation method thereof |
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Application publication date: 20201215 |