CN115646731A - Lithium battery termination adhesive tape coating machine and coating method thereof - Google Patents
Lithium battery termination adhesive tape coating machine and coating method thereof Download PDFInfo
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- CN115646731A CN115646731A CN202211413815.3A CN202211413815A CN115646731A CN 115646731 A CN115646731 A CN 115646731A CN 202211413815 A CN202211413815 A CN 202211413815A CN 115646731 A CN115646731 A CN 115646731A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention relates to the technical field of coating machines, in particular to a lithium battery termination tape coating machine which comprises a coating mechanism and a scraping mechanism, wherein the scraping mechanism comprises a first rack, a scraping cylinder, a rotating cylinder, an arc-shaped scraping plate, a scraping paddle and a driving piece; the scraping cylinder is horizontally arranged on the first rack, a first opening is formed in the bottom end of the scraping cylinder, a first opening edge is formed in one side, close to the coating mechanism, of the first opening, and a second opening edge is formed in one side, far away from the coating mechanism, of the first opening; the rotating cylinder is coaxially and rotatably arranged in the scraping cylinder, the rotating cylinder is in clearance fit with the scraping cylinder, and a second opening extending along the axial direction of the rotating cylinder is arranged on the rotating cylinder; the arc-shaped scraping plate is coaxially arranged in the second opening, one side of the arc-shaped scraping plate is rotatably connected with the first opening, and the other side of the arc-shaped scraping plate abuts against the inner wall of the scraping cylinder; the scraping paddle is arranged in the rotating cylinder; the driving piece is arranged on the first rack and is in transmission connection with the scraping paddle. The invention also relates to a lithium battery termination adhesive tape coating method.
Description
Technical Field
The invention relates to the technical field of coating machines, in particular to a lithium battery termination adhesive tape coating machine. The invention also relates to a lithium battery termination adhesive tape coating method.
Background
The lithium battery termination adhesive tape is prepared by taking a polypropylene insulating material as a base material, coating the base material with special acrylic acid glue for resisting lithium battery electrolyte, is specially used for insulating, fixing and protecting lithium battery cells and other parts, and has the characteristics of strong electrolyte resistance, high adhesive force, softness, proper fit, environmental protection, no halogen and the like.
The termination adhesive tape comprises a substrate layer and a glue layer, the coating mechanism is arranged in the production line of the termination adhesive tape, the coating mechanism generally comprises a sizing roller, a slurry tank and a scraping blade, the sizing roller rotates to transfer slurry in the slurry tank to the substrate layer, and in order to prevent the glue layer from being too thick, the excessive slurry on the glue layer is scraped by the scraping blade, so that the thickness of the slurry coated on the substrate layer is uniform. During the coating process, dried slurry or other foreign matters are easily adhered to the scraping blade, so that the problem of uneven scraping is caused.
Disclosure of Invention
To above-mentioned problem, provide a lithium cell termination sticky tape coating machine, through scraping the feed cylinder, scrape the flitch and scrape the material oar, can scrape away the thick liquids on the second mouth limit that is used for scraping unnecessary thick liquids on the glue layer, solved easy adhesion dried knot's thick liquids or other foreign matters on the doctor-bar, cause the uneven problem of scraping the material.
In order to solve the problems of the prior art, the invention adopts the technical scheme that:
a lithium battery termination adhesive tape coating machine comprises a coating mechanism and a scraping mechanism arranged on the discharge side of the coating mechanism and used for scraping redundant slurry of a glue layer, wherein the scraping mechanism comprises a first rack, a scraping cylinder, a rotating cylinder, a scraping plate, a scraping paddle and a driving piece; the first rack is arranged on the discharging side of the coating mechanism; the scraping cylinder is horizontally arranged on the first rack, extends along the width direction of the base material layer, is provided with a first opening extending along the axial direction, and is arranged at the bottom end of the scraping cylinder; the rotating cylinder is coaxially and rotatably arranged in the scraping cylinder, is in clearance fit with the scraping cylinder, and is provided with a second opening extending along the axial direction of the rotating cylinder; the scraping plate is coaxially arranged in the second opening, one side of the scraping plate is rotatably connected with the first opening, and the other side of the scraping plate is abutted against the inner wall of the scraping barrel; the scraping paddle is arranged in the rotating cylinder and used for scraping the slurry in the rotating cylinder, and the scraping paddle is in transmission connection with the rotating cylinder; the driving piece is arranged on the first rack and is in transmission connection with the scraping paddle.
Preferably, the first mouth edge extends obliquely downwards and is adjacent to the second mouth edge.
Preferably, the scraping mechanism further comprises a fixing rod and a tension spring, first fixing rings coaxial with the fixing rod are respectively arranged at two ends of the rotating cylinder, the fixing rod is fixedly arranged between the two first fixing rings, one side of the scraping plate is rotatably arranged on the fixing rod, an arc-shaped groove coaxial with the fixing rod is further arranged on the first fixing rings, and stand columns penetrating through the arc-shaped groove and matched with the arc-shaped groove in a sliding mode are arranged at two ends of the other side of the scraping plate; the both ends of extension spring are connected with stand and first solid fixed ring respectively, scrape one side elasticity butt of flitch and scrape the inner wall of feed cylinder.
Preferably, the outer end of the first fixing ring is provided with a fixing cylinder coaxial with the first fixing ring; the scraping paddle comprises a rotating shaft and a helical blade, the rotating shaft is coaxially and rotatably arranged in the rotating cylinder, the end part of the rotating shaft penetrates through the first rack and then is in transmission connection with the driving piece, and a discharging channel for connecting the outside and the inner cavity of the rotating cylinder is arranged at the end part of the rotating shaft; the helical blade is coaxially arranged on the rotating shaft, and the edge of the helical blade is in clearance fit with the inner wall of the rotating cylinder; the scraping mechanism also comprises a conical cylinder, a sealing disc, an inner gear ring, an outer gear ring and a gear; the wide port of the conical cylinder is coaxially connected with the fixed cylinder, and the narrow port of the conical cylinder is provided with a transmission cylinder coaxial with the narrow port; the sealing disc is coaxially and fixedly arranged on the rotating shaft, a rubber ring in interference fit with the inner circumferential surface of the transmission cylinder is sleeved on the circumferential surface of the sealing disc, and a feed inlet of the discharge channel is positioned on the inner side of the sealing disc; the inner gear ring is coaxially and fixedly arranged on the inner circumferential surface of the transmission cylinder; the outer gear ring is coaxially and fixedly arranged on the rotating shaft; the gear is rotationally arranged on the frame and is meshed with the inner gear ring and the outer gear ring.
Preferably, both ends of the rotating shaft are provided with discharge channels; the helical blades are symmetrically arranged on the rotating shaft.
Preferably, the wide mouth end of the conical barrel is provided with a second fixing ring coaxial therewith, and one end of the second fixing ring facing the first fixing ring is provided with a closed barrel connected with the first fixing ring.
Preferably, the scraping mechanism further comprises a carrier roller, a double-rod cylinder, a lifting block and a pushing block; the carrier roller and the scraping barrel are arranged on the first rack in parallel, and the carrier roller abuts against the bottom end of the base material layer; the double-rod cylinder is arranged at the bottom of the carrier roller, and output shafts are arranged at two ends of the double-rod cylinder; the lifting block is arranged on the first rack in a sliding manner along the vertical direction, the lifting block is rotatably connected with the end part of the carrier roller, and inclined planes facing the double-rod cylinder are arranged on two sides of the lifting block; two ejector pads are arranged on the first rack in an opposite or back-to-back sliding manner, the two ejector pads are respectively fixedly connected with the outer ends of the two output shafts, and the ejector pads are in sliding fit with the inclined plane.
Preferably, the two ends of the outer circumferential surface of the scraping cylinder are provided with connecting lugs, the scraping mechanism further comprises a polished rod, the polished rod is horizontally and fixedly arranged on the rack, and the connecting lugs are fixedly connected with the polished rod.
Preferably, the driving member comprises a motor and a synchronous belt, the motor is arranged on the first rack, and an output shaft of the motor is in transmission connection with the rotating shaft through the synchronous belt.
The invention also relates to a lithium battery termination adhesive tape coating method, which uses a coating machine, wherein the coating machine comprises a coating mechanism and a scraping mechanism which is arranged on the discharge side of the coating mechanism and is used for scraping redundant slurry of a glue layer, and the scraping mechanism comprises a first rack, a scraping cylinder, a rotating cylinder, a scraping plate, a scraping paddle and a driving piece; the first rack is arranged on the discharging side of the coating mechanism; the scraping cylinder is horizontally arranged on the first rack, extends along the width direction of the base material layer, and is provided with a first opening extending along the axial direction at the bottom end, a first opening edge is arranged at one side of the first opening close to the coating mechanism, a second opening edge is arranged at one side of the first opening far away from the coating mechanism, and the second opening edge inclines downwards to extend to the bottom of the first opening edge so as to scrape redundant slurry of the glue layer; the rotating cylinder is coaxially and rotatably arranged in the scraping cylinder, is in clearance fit with the scraping cylinder, and is provided with a second opening extending along the axial direction of the rotating cylinder; the scraping plate is coaxially arranged in the second opening, one side of the scraping plate is rotationally connected with the first opening, and the other side of the scraping plate abuts against the inner wall of the scraping cylinder; the scraping paddle is arranged in the rotating cylinder and used for scraping the slurry in the rotating cylinder, and the scraping paddle is coaxially connected with the rotating cylinder; the driving piece is arranged on the first rack and is in transmission connection with the scraping paddle; the coating method comprises the following steps: s1, sequentially enabling a base material layer to pass through a coating mechanism and a scraping mechanism, and adjusting the distance between a second opening edge and the base material layer to enable the distance to be equal to the thickness of a standard glue layer; s2, starting a coating mechanism to coat the slurry on the top surface of the base material layer, and scraping the redundant slurry on the glue layer to the first opening by the second opening edge; s3, the driving piece is started, the rotating cylinder rotates in the scraping cylinder to scrape the slurry at the first opening to the rotating cylinder through the scraping plate, and the scraping paddle rotates in the rotating cylinder to scrape the slurry in the scraping cylinder outwards.
Compared with the prior art, the invention has the beneficial effects that:
this application can scrape away the thick liquids on the second mouth limit that is used for scraping unnecessary thick liquids on the glue layer through scraping the feed cylinder, scraping the flitch and scraping the material oar to prevent that the thick liquids from solidifying and influencing the degree of consistency of glue layer on the second mouth limit.
Drawings
FIG. 1 is a perspective view of a lithium battery termination tape coater;
fig. 2 is a side view of a lithium battery termination tape coater;
FIG. 3 isbase:Sub>A cross-sectional view at section A-A of FIG. 2;
FIG. 4 is a partial enlarged view of FIG. 3 at B;
FIG. 5 isbase:Sub>A perspective sectional view at section A-A of FIG. 2;
FIG. 6 is a front view of a lithium battery termination tape coater;
FIG. 7 is a cross-sectional view at section C-C of FIG. 6;
FIG. 8 is an enlarged view of a portion of FIG. 7 at D;
FIG. 9 is a perspective view of a scraping mechanism in a lithium battery termination tape coater;
FIG. 10 is a front view of a doctor blade cartridge in a lithium battery termination tape coater;
fig. 11 is a perspective view of a rotary cylinder and a scraper plate of a lithium battery termination tape coater;
fig. 12 is a flow chart of a lithium battery termination tape coating method.
The reference numbers in the figures are:
1-a coating mechanism;
101-a second gantry;
102-a glue spreader;
103-a feed trough;
104-a guide plate;
105-a guide roller;
2-a scraping mechanism;
201-a first rack;
202-a barrel scraper;
2021-a first opening;
2022-first mouth edge;
2023-second lip;
2024-engaging lugs;
203-rotating the cylinder;
2031 — a second opening;
2032-a first retaining ring;
2033-arc groove;
2034-a stationary canister;
204-scraping plate;
2041-column;
205-scraping paddle;
2051-rotating shaft;
2053-discharge channel;
2052-helical blades;
206-a drive member;
2061-electric machine;
2062, synchronous belt;
207-fixing the bar;
208-a tension spring;
209-conical barrel;
2091 — a drive cylinder;
2092-second retainer ring;
2093-a closed cartridge;
210-sealing disc;
211-ring gear;
212-outer gear ring;
213-a gear;
214-carrier rollers;
215-double rod cylinder;
216-a lifting block;
217-a push block;
218-a polish rod.
Detailed Description
For further understanding of the features and technical means of the present invention, as well as the specific objects and functions attained by the present invention, the present invention will be described in further detail with reference to the accompanying drawings and detailed description.
As shown in fig. 1-11, the present invention provides:
a lithium battery termination adhesive tape coating machine comprises a coating mechanism 1 and a scraping mechanism 2 which is arranged on the discharge side of the coating mechanism 1 and is used for scraping redundant slurry of a glue layer, wherein the scraping mechanism 2 comprises a first machine frame 201, a scraping cylinder 202, a rotating cylinder 203, a scraping plate 204, a scraping paddle 205 and a driving piece 206; the first frame 201 is arranged on the discharging side of the coating mechanism 1; the scraping cylinder 202 is horizontally arranged on the first frame 201, the scraping cylinder 202 extends along the width direction of the base material layer, a first opening 2021 extending along the axial direction of the scraping cylinder 202 is arranged at the bottom end of the scraping cylinder 202, a first opening 2022 is arranged at one side of the first opening 2021 close to the coating mechanism 1, a second opening 2023 is arranged at one side of the first opening 2021 far away from the coating mechanism 1, and the second opening 2023 obliquely extends downwards to the bottom of the first opening 2022 to scrape off the redundant slurry of the glue layer; the rotary cylinder 203 is coaxially and rotatably arranged in the scraping cylinder 202, the rotary cylinder 203 is in clearance fit with the scraping cylinder 202, and a second opening 2031 extending along the axial direction of the rotary cylinder 203 is formed in the rotary cylinder 203; the scraper 204 is coaxially arranged in the second opening 2031, one side of the scraper 204 is rotationally connected with the first opening 2021, and the other side of the scraper 204 abuts against the inner wall of the scraper barrel 202; the scraping paddle 205 is arranged in the rotating cylinder 203 and is used for scraping the slurry in the rotating cylinder 203, and the scraping paddle 205 is in transmission connection with the rotating cylinder 203; the driving member 206 is disposed on the first frame 201 and is in transmission connection with the scraping paddle 205.
The coating mechanism 1 includes a second frame 101, a coating roller 102, a feeding groove 103, a guide plate 104 and a guide roller 105, the second frame 101 is disposed on one side of the scraping mechanism 2, the coating roller and the guide roller 105 are disposed in parallel on the second frame 101, the feeding groove 103 is disposed on the frame along the length direction of the coating roller, and the guide plate 104 extends obliquely from the bottom of the feeding groove 103 to the circumferential surface of the coating roller 102.
The termination adhesive tape comprises a base material layer and a glue layer, the base material layer sequentially penetrates through the coating mechanism 1 along the horizontal direction, the coating mechanism 1 coats one layer of slurry on the top surface of the base material layer, the base material layer continuously moves along the horizontal direction, and when redundant slurry exists on the glue layer, the redundant slurry can be shoveled to the first opening 2021 by the second opening edge 2023 because the height of the second opening edge 2023 and the top surface of the base material layer is equal to the standard thickness of the glue layer.
The driving element 206 is started to drive the scraping blade 205 to rotate in the rotating cylinder 203, the scraping blade 205 is in transmission connection with the rotating cylinder 203, so that the rotating cylinder 203 rotates in the scraping cylinder 202, one side of the scraping blade 204 is rotatably arranged in the first opening 2021, the other side of the scraping blade 204 abuts against the inner wall of the scraping cylinder 202, in the rotating process of the rotating cylinder 203, the lowest scraping blade 204 slides from the inner side of the first opening 2022 to the first opening 2021 and abuts against the inner side of the second opening 2023, so that the slurry in the first opening 2021 can be scraped to the inner side of the scraping cylinder 202, the rotating cylinder 203 continues to rotate, under the action of the inner wall of the scraping cylinder 202, the scraping blade 204 and the rotating cylinder 203 gradually keep coaxial, one side of the scraping blade 204 can gradually scrape the slurry to the inside of the rotating cylinder 203, the rotating cylinder 203 rotates circularly, and the scraping blade 204 can rotate to completely scrape the slurry in the rotating cylinder 203 at the first opening 2021; meanwhile, when the scraper 204 scrapes the materials at the first opening 2021, an airflow flowing from the outside to the inner cavity of the scraper barrel 202 is generated at the first opening 2021 due to the rotation of the scraper 204, and the airflow can guide the slurry at the first opening 2021 to flow into the scraper barrel 202, so as to improve the scraping efficiency of the scraper 204.
The scraper plate 204 is arc-shaped.
Because the scraping paddle 205 is disposed in the inner cavity of the rotating cylinder 203, the scraping paddle 205 can scrape the slurry in the rotating cylinder 203 to the outside in the process that the scraping paddle 205 rotates relative to the rotating cylinder 203, so as to prevent the slurry from being screwed on the second opening 2023.
As shown in fig. 10, the first mouth edge 2022 extends obliquely downward and is adjacent to the second mouth edge 2023.
By extending the first lip 2022 obliquely downward and approaching the second lip 2023, when the scraping plate 204 passes through the first opening 2021 from the inner side of the first lip 2022 and abuts against the inner side of the second lip 2023, the bottom of the scraping plate 204 can be closer to the scraping portion of the second lip, so that the slurry on the scraping portion can be quickly scraped into the rotating cylinder 203 by the scraping plate 204, thereby improving the scraping efficiency.
As shown in fig. 11, the scraping mechanism 2 further includes a fixing rod 207 and a tension spring 208, two ends of the rotating cylinder 203 are respectively provided with a first fixing ring 2032 coaxial therewith, the fixing rod 207 is fixedly arranged between the two first fixing rings 2032, one side of the scraping plate 204 is rotatably arranged on the fixing rod 207, the first fixing ring 2032 is further provided with an arc-shaped groove 2033 coaxial with the fixing rod 207, and two ends of the other side of the scraping plate 204 are respectively provided with a column 2041 penetrating through the arc-shaped groove 2033 and in sliding fit therewith; two ends of the tension spring 208 are respectively connected with the upright 2041 and the first fixing ring 2032, and one side of the scraper plate 204 elastically abuts against the inner wall of the scraper cylinder 202.
The two ends of the rotating cylinder 203 are provided with the first fixing rings 2032, so that one side of the scraper 204 is rotatably arranged between the two fixing rings through the fixing rod 207, the other side of the scraper 204 is in sliding fit with the arc-shaped groove 2033 through the upright column 2041, so that the scraper 204 needs to overcome the pulling force of the tension spring 208 and abuts against the inner wall of the scraper cylinder 202, and under the limiting action of the inner wall of the scraper cylinder 202, one side of the scraper 204 always abuts against the inner wall of the scraper cylinder 202, so that the scraper 204 can pass through the first opening 2021 from the inner side of the first opening 2022 and abut against the inner side of the second opening 2023, thereby completing the scraping operation.
As shown in fig. 4, 6, 7 and 11, the outer end of the first fixing ring 2032 is provided with a fixing cylinder 2034 coaxial therewith;
the scraping paddle 205 comprises a rotating shaft 2051 and spiral blades 2052, the rotating shaft 2051 is coaxially and rotatably arranged in the rotating cylinder 203, the end part of the rotating shaft 2051 penetrates through the first rack 201 and is in transmission connection with the driving part 206, and the end part of the rotating shaft 2051 is provided with a discharging channel 2053 for connecting the outside and the inner cavity of the rotating cylinder 203; the helical blades 2052 are coaxially arranged on the rotating shaft 2051, and the edges of the helical blades 2052 are in clearance fit with the inner wall of the rotating cylinder 203; the scraping mechanism 2 further comprises a conical cylinder 209, a sealing disc 210, an inner gear ring 211, an outer gear ring 212 and a gear 213; the wide port of the conical cylinder 209 is coaxially connected with the fixed cylinder 2034, and the narrow port of the conical cylinder 209 is provided with a transmission cylinder 2091 which is coaxial with the transmission cylinder; the sealing disc 210 is coaxially and fixedly arranged on the rotating shaft 2051, a rubber ring in interference fit with the inner circumferential surface of the transmission barrel 2091 is sleeved on the circumferential surface of the sealing disc 210, and a feed inlet of the discharge channel 2053 is positioned on the inner side of the sealing disc 210; the ring gear 211 is coaxially and fixedly provided on the inner circumferential surface of the transmission cylinder 2091; the outer ring gear 212 is coaxially and fixedly provided on the rotating shaft 2051; gear 213 is rotatably disposed on the frame, and gear 213 is engaged with inner ring gear 211 and outer ring gear 212.
The fixed cylinder 2034 is used for coaxially mounting the conical cylinder 209, when the driving piece 206 drives the rotating shaft 2051 to rotate, the rotating shaft 2051 drives the helical blade 2052 to rotate in the rotating cylinder 203, the gear 213 is meshed with the inner gear ring 211 and the outer gear ring 212, the inner gear ring 211 is further mounted in the transmission cylinder 2091, the inner gear ring 211 is coaxial with the outer gear ring 212, so that the rotating shaft 2051 and the rotating cylinder 203 coaxially and reversely rotate, the rotating helical blade 2052 can scrape the slurry in the rotating cylinder 203 to one end, the end part of the rotating shaft 2051 is provided with a discharge channel 2053 communicated with the outside and the inner cavity of the rotating cylinder 203, and the slurry at one end of the inner cavity of the rotating cylinder 203 can be gradually discharged outwards through the discharge channel 2053 under the extrusion action of the helical blade 2052, so as to realize the scraping of the redundant slurry; the sealing disc 210 can prevent the slurry in the inner cavity of the rotary drum 203 from being adhered to the inner gear ring 211, the outer gear ring 212 or overflowing outwards.
As shown in fig. 7, both ends of the rotating shaft 2051 are provided with discharge channels 2053; the spiral blades 2052 are symmetrically disposed on the rotating shaft 2051.
In order to avoid the direct solidification of the slurry in the rotary cylinder 203, the two ends of the rotary shaft 2051 are respectively provided with the discharge channels 2053, the spiral blades 2052 are symmetrically arranged on the rotary shaft 2051, the moving distance of the slurry in the rotary cylinder 203 and the moving distance of the slurry to the outside are further reduced, the slurry in the rotary cylinder 203 can be discharged outside through the discharge channels 2053 at the two ends, the slurry is prevented from being solidified in the rotary cylinder 203, and the scraping efficiency is improved.
As shown in fig. 8, the wide-open end of the tapered barrel 209 is provided with a second fixing ring 2092 coaxial therewith, and an end of the second fixing ring 2092 facing the first fixing ring 2032 is provided with a closure barrel 2093 connected to the first fixing ring 2032.
Through set up the second fixed ring 2092 and the closed section of thick bamboo 2093 of being connected with the first fixed ring 2032 at the one end of a toper section of thick bamboo 209, can prevent to install the extension spring 208 that receives external corruption in the first fixed ring 2032 outside to this life who improves equipment.
As shown in fig. 9, 7. A lithium battery terminating tape coater according to claim 1 or 2, wherein the scraper mechanism 2 further comprises a carrier roller 214, a double-rod cylinder 215, a lifting block 216, and a pushing block 217; the carrier roller 214 is arranged on the first machine frame 201 in parallel with the scraping cylinder 202, and the carrier roller 214 abuts against the bottom end of the base material layer; the double-rod cylinder 215 is arranged at the bottom of the carrier roller 214, and output shafts are arranged at two ends of the double-rod cylinder 215; the lifting block 216 is arranged on the first machine frame 201 in a sliding mode along the vertical direction, the lifting block 216 is connected with the end portion of the carrier roller 214 in a rotating mode, and inclined surfaces facing the double-rod air cylinder 215 are arranged on two sides of the lifting block 216; the two push blocks 217 are arranged on the first frame 201 in a sliding manner in opposite directions or in a back-to-back manner, the two push blocks 217 are respectively fixedly connected with the outer ends of the two output shafts, and the push blocks 217 are in sliding fit with the inclined surfaces.
Can accurate distance of adjusting substrate layer and second mouth limit 2023 through bearing roller 214, when the height of bearing roller 214 needs to be adjusted, start two pole cylinders 215, the output shaft that makes its both ends can drive two ejector pads 217 and move in opposite directions or dorsad on first frame 201, and ejector pad 217 and elevator 216's inclined plane sliding fit, and then can drive the elevator 216 of both sides and move along vertical direction, adjust the distance that bearing roller 214 and second detained the limit, with this distance of adjusting butt substrate layer and second mouth limit 2023 on bearing roller 214.
As shown in fig. 4, the two ends of the outer circumferential surface of the scraping cylinder 202 are provided with the connection lugs 2024, the scraping mechanism 2 further comprises a polish rod 218, the polish rod 218 is horizontally and fixedly arranged on the rack, and the connection lugs 2024 are fixedly connected with the polish rod 218.
The scraping barrel 202 can be fixedly arranged on the first frame 201 through the connecting lug 2024 and the polished rod 218, so that the second mouth edge 2023 can stably scrape excessive slurry on the glue layer.
As shown in fig. 7, the driving member 206 includes an electric motor 2061 and a timing belt 2062, the electric motor 2061 is disposed on the first frame 201, and an output shaft of the electric motor 2061 is drivingly connected to the rotating shaft 2051 through the timing belt 2062.
By starting the motor 2061, the output shaft thereof can drive the rotating shaft 2051 to rotate on the first frame 201 through the timing belt 2062, so that the rotating shaft 2051 and the rotating cylinder 203 can be driven to rotate on the first frame 201.
As shown in fig. 12, a lithium battery termination tape coating method uses a coating machine, the coating machine includes a coating mechanism 1 and a scraping mechanism 2 disposed at a discharging side of the coating mechanism 1 for scraping off excess slurry of a glue layer, the scraping mechanism 2 includes a first frame 201, a scraping cylinder 202, a rotating cylinder 203, a scraping plate 204, a scraping blade 205 and a driving member 206; the first frame 201 is arranged on the discharging side of the coating mechanism 1; the scraping cylinder 202 is horizontally arranged on the first frame 201, the scraping cylinder 202 extends along the width direction of the base material layer, a first opening 2021 extending along the axial direction of the scraping cylinder 202 is arranged at the bottom end of the scraping cylinder 202, a first opening 2022 is arranged at one side of the first opening 2021 close to the coating mechanism 1, a second opening 2023 is arranged at one side of the first opening 2021 far away from the coating mechanism 1, and the second opening 2023 obliquely extends downwards to the bottom of the first opening 2022 to scrape off the redundant slurry of the glue layer; the rotary cylinder 203 is coaxially and rotatably arranged in the scraping cylinder 202, the rotary cylinder 203 is in clearance fit with the scraping cylinder 202, and a second opening 2031 extending along the axial direction of the rotary cylinder 203 is formed in the rotary cylinder 203; the scraper plate 204 is coaxially arranged in the second opening 2031, one side of the scraper plate 204 is rotationally connected with the first opening 2021, and the other side of the scraper plate 204 abuts against the inner wall of the scraper cylinder 202; the scraping paddle 205 is arranged in the rotating cylinder 203 and is used for scraping the slurry in the rotating cylinder 203, and the scraping paddle 205 is coaxially connected with the rotating cylinder 203; the driving part 206 is arranged on the first frame 201 and is in transmission connection with the scraping paddle 205; the coating method comprises the following steps: s1, enabling a base material layer to sequentially pass through a coating mechanism 1 and a scraping mechanism 2, and adjusting the distance between a second opening edge 2023 and the base material layer to enable the distance to be equal to the thickness of a standard glue layer; s2, starting the coating mechanism 1 to coat the sizing agent on the top surface of the base material layer, and scraping the redundant sizing agent on the glue layer to the first opening 2021 by the second opening 2023; s3, the driving member 206 is activated, the rotating cylinder 203 rotates in the scraping cylinder 202 to scrape the slurry at the first opening 2021 into the rotating cylinder 203 through the scraper 204, and the scraping paddle 205 rotates in the rotating cylinder 203 to scrape the slurry in the scraping cylinder 202 outwards.
The above examples only show one or more embodiments of the present invention, and the description is specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A lithium battery termination tape coating machine comprises a coating mechanism (1) and a scraping mechanism (2) which is arranged on the discharge side of the coating mechanism (1) and used for scraping redundant slurry of a glue layer, and is characterized in that the scraping mechanism (2) comprises a first rack (201), a scraping cylinder (202), a rotating cylinder (203), a scraping plate (204), a scraping paddle (205) and a driving piece (206);
the first machine frame (201) is arranged on the discharging side of the coating mechanism (1);
the scraping cylinder (202) is horizontally arranged on the first machine frame (201), the scraping cylinder (202) extends along the width direction of the base material layer, a first opening (2021) extending along the axial direction of the scraping cylinder (202) is arranged at the bottom end of the scraping cylinder (202), a first opening edge (2022) is arranged on one side, close to the coating mechanism (1), of the first opening (2021), a second opening edge (2023) is arranged on one side, far away from the coating mechanism (1), of the first opening (2021), and the second opening edge (2023) extends obliquely downwards to the bottom of the first opening edge (2022) to scrape off redundant slurry of the glue layer;
the rotating cylinder (203) is coaxially and rotatably arranged in the scraping cylinder (202), the rotating cylinder (203) is in clearance fit with the scraping cylinder (202), and a second opening (2031) extending along the axial direction of the rotating cylinder (203) is formed in the rotating cylinder (203);
the scraping plate (204) is coaxially arranged in the second opening (2031), one side of the scraping plate (204) is rotatably connected with the first opening (2021), and the other side of the scraping plate (204) abuts against the inner wall of the scraping cylinder (202);
the scraping paddle (205) is arranged in the rotating cylinder (203) and is used for scraping slurry in the rotating cylinder (203), and the scraping paddle (205) is in transmission connection with the rotating cylinder (203);
the driving piece (206) is arranged on the first frame (201) and is in transmission connection with the scraping paddle (205).
2. A lithium battery termination tape coater according to claim 1, characterized in that the first mouth edge (2022) extends obliquely downwards and is adjacent to the second mouth edge (2023).
3. The lithium battery termination tape coater according to claim 1 or 2, wherein the scraping mechanism (2) further comprises a fixing rod (207) and a tension spring (208), two ends of the rotating cylinder (203) are respectively provided with a first fixing ring (2032) coaxial with the rotating cylinder, the fixing rod (207) is fixedly arranged between the two first fixing rings (2032), one side of the scraping plate (204) is rotatably arranged on the fixing rod (207), the first fixing ring (2032) is further provided with an arc-shaped groove (2033) coaxial with the fixing rod (207), and two ends of the other side of the scraping plate (204) are respectively provided with a column (2041) penetrating through the arc-shaped groove (2033) and in sliding fit with the arc-shaped groove; two ends of the tension spring (208) are respectively connected with the upright post (2041) and the first fixing ring (2032), and one side of the scraping plate (204) is elastically abutted against the inner wall of the scraping barrel (202).
4. A lithium battery termination tape coater according to claim 3, characterized in that the outer end of the first fixing ring (2032) is provided with a fixing cylinder (2034) coaxial therewith;
the scraping paddle (205) comprises a rotating shaft (2051) and spiral blades (2052), the rotating shaft (2051) is coaxially and rotatably arranged in the rotating cylinder (203), the end part of the rotating shaft (2051) penetrates through the first machine frame (201) and then is in transmission connection with the driving part (206), and the end part of the rotating shaft (2051) is provided with a discharging channel (2053) which is connected with the outside and the inner cavity of the rotating cylinder (203); the helical blade (2052) is coaxially arranged on the rotating shaft (2051), and the edge of the helical blade (2052) is in clearance fit with the inner wall of the rotating cylinder (203);
the scraping mechanism (2) also comprises a conical cylinder (209), a sealing disc (210), an inner gear ring (211), an outer gear ring (212) and a gear (213);
the wide port of the conical cylinder (209) is coaxially connected with the fixed cylinder (2034), and the narrow port of the conical cylinder (209) is provided with a transmission cylinder (2091) coaxial with the narrow port;
the sealing disc (210) is coaxially and fixedly arranged on the rotating shaft (2051), a rubber ring in interference fit with the inner circumferential surface of the transmission cylinder (2091) is sleeved on the circumferential surface of the sealing disc (210), and a feed inlet of the discharge channel (2053) is positioned on the inner side of the sealing disc (210);
the inner gear ring (211) is coaxially and fixedly arranged on the inner circumferential surface of the transmission barrel (2091);
the outer gear ring (212) is coaxially and fixedly arranged on the rotating shaft (2051);
a gear (213) is rotatably arranged on the frame, and the gear (213) is meshed with the inner gear ring (211) and the outer gear ring (212).
5. The lithium battery termination tape coater according to claim 4, wherein both ends of the rotating shaft (2051) are provided with a discharge channel (2053); the helical blades (2052) are symmetrically arranged on the rotating shaft (2051).
6. Lithium battery termination tape coater according to claim 4 or 5, characterized in that the wide-mouth end of the conical barrel (209) is provided with a second fixing ring (2092) coaxial therewith, and the end of the second fixing ring (2092) facing the first fixing ring (2032) is provided with a closing barrel (2093) connected to the first fixing ring (2032).
7. The lithium battery termination tape coater according to claim 1 or 2, wherein the scraper mechanism (2) further comprises a carrier roller (214), a double-rod cylinder (215), a lifting block (216) and a push block (217);
the carrier roller (214) and the scraping cylinder (202) are arranged on the first rack (201) in parallel, and the carrier roller (214) abuts against the bottom end of the base material layer;
the double-rod cylinder (215) is arranged at the bottom of the carrier roller (214), and output shafts are arranged at two ends of the double-rod cylinder (215);
the lifting block (216) is arranged on the first machine frame (201) in a sliding mode along the vertical direction, the lifting block (216) is connected with the end portion of the carrier roller (214) in a rotating mode, and inclined planes facing the double-rod air cylinder (215) are arranged on two sides of the lifting block (216);
the two push blocks (217) are arranged on the first frame (201) in a sliding mode in the opposite direction or the back direction, the two push blocks (217) are fixedly connected with the outer ends of the two output shafts respectively, and the push blocks (217) are in sliding fit with the inclined surfaces.
8. The lithium battery termination tape coater according to claim 1 or 2, wherein the two ends of the outer circumferential surface of the scraper cylinder (202) are provided with connecting lugs (2024), the scraper mechanism (2) further comprises a polished rod (218), the polished rod (218) is horizontally and fixedly arranged on the machine frame, and the connecting lugs (2024) are fixedly connected with the polished rod (218).
9. The lithium battery termination tape coater according to claim 4 or 5, wherein the driving member (206) comprises a motor (2061) and a synchronous belt (2062), the motor (2061) is arranged on the first frame (201), and an output shaft of the motor (2061) is in transmission connection with the rotating shaft (2051) through the synchronous belt (2062).
10. A lithium battery termination adhesive tape coating method uses a coating machine, and is characterized in that the coating machine comprises a coating mechanism (1) and a scraping mechanism (2) which is arranged on the discharge side of the coating mechanism (1) and used for scraping redundant slurry of an adhesive layer, wherein the scraping mechanism (2) comprises a first rack (201), a scraping cylinder (202), a rotating cylinder (203), a scraping plate (204), a scraping paddle (205) and a driving piece (206); the first machine frame (201) is arranged on the discharging side of the coating mechanism (1); the scraping cylinder (202) is horizontally arranged on the first machine frame (201), the scraping cylinder (202) extends along the width direction of the base material layer, a first opening (2021) extending along the axial direction of the scraping cylinder (202) is formed in the bottom end of the scraping cylinder (202), a first opening edge (2022) is arranged on one side, close to the coating mechanism (1), of the first opening (2021), a second opening edge (2023) is arranged on one side, far away from the coating mechanism (1), of the first opening (2021), and the second opening edge (2023) obliquely extends downwards to the bottom of the first opening edge (2022) to scrape redundant slurry of the glue layer; the rotating cylinder (203) is coaxially and rotatably arranged in the scraping cylinder (202), the rotating cylinder (203) is in clearance fit with the scraping cylinder (202), and a second opening (2031) extending along the axial direction of the rotating cylinder (203) is formed in the rotating cylinder (203); the scraping plate (204) is coaxially arranged in the second opening (2031), one side of the scraping plate (204) is rotationally connected with the first opening (2021), and the other side of the scraping plate (204) abuts against the inner wall of the scraping barrel (202); the scraping paddle (205) is arranged in the rotating cylinder (203) and is used for scraping slurry in the rotating cylinder (203), and the scraping paddle (205) is coaxially connected with the rotating cylinder (203); the driving piece (206) is arranged on the first frame (201) and is in transmission connection with the scraping paddle (205); the coating method comprises the following steps:
the method comprises the following steps that firstly, a base material layer sequentially penetrates through a coating mechanism (1) and a scraping mechanism (2), and the distance between a second opening edge (2023) and the base material layer is adjusted to enable the distance to be equal to the thickness of a standard glue layer;
step two, starting the coating mechanism (1) to coat the sizing agent on the top surface of the base material layer, and scraping the redundant sizing agent on the glue layer to the first opening (2021) by the second opening edge (2023);
and step three, starting the driving piece (206), enabling the rotating cylinder (203) to rotate in the scraping cylinder (202) to scrape the slurry at the first opening (2021) into the rotating cylinder (203) through the scraping plate (204), and enabling the scraping paddle (205) to rotate in the rotating cylinder (203) to scrape the slurry in the scraping cylinder (202) outwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211413815.3A CN115646731B (en) | 2022-11-11 | 2022-11-11 | Lithium battery termination adhesive tape coating machine and coating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211413815.3A CN115646731B (en) | 2022-11-11 | 2022-11-11 | Lithium battery termination adhesive tape coating machine and coating method thereof |
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| CN115646731B CN115646731B (en) | 2023-05-16 |
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| CN115646731B (en) | 2023-05-16 |
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