CN116176930A - Automatic film coating equipment for large soft-package lithium battery - Google Patents

Abstract

The invention relates to the technical field of coating mechanisms, in particular to automatic coating equipment for a large soft-package lithium battery, which comprises a rack; the device comprises a frame, a first linear driver, a second linear driver, a connecting rod, a first rotating shaft and a roller, wherein the first linear driver and the roller are fixedly arranged on the frame; the device also comprises a turnover mechanism and a feeding mechanism. This application can be continuous transportation lithium cell and membrane material, through laminating the membrane material on lithium cell, can go on in succession to the lithium cell pad pasting, improved production efficiency, degree of automation is high.

Description

Automatic film coating equipment for large soft-package lithium battery

Technical Field

The invention relates to the technical field of coating mechanisms, in particular to automatic coating equipment for a large soft-package lithium battery.

Background

A lithium ion battery is a secondary battery that operates mainly by means of lithium ions moving between a positive electrode and a negative electrode. In order to prevent the surface of the battery from being scratched in the process of processing or transporting, a layer of film needs to be coated on the surface of the battery, and the existing coating is mostly carried out manually, but the manual operation error is large and the efficiency is low.

For this reason, chinese patent CN202122231346.0 discloses an automatic film coating mechanism for large battery, when in use, after two unreeling assemblies pay out the strip material, two film material traction assemblies respectively clamp and fix the tail ends of the film material and draw the film material onto a film sticking module; after the film-sucking plate adsorbs and fixes the film, the film adsorbed on the film-sucking plate is cut off and separated from the unreeling component by the film cutting component; the two rotating assemblies respectively drive the two film-sucking plates to rotate, the two film-sucking plates are opposite to each other, and the battery traction assembly drives the battery to pass through the two film-sticking modules and simultaneously presses and sticks the two films on the two surfaces of the battery respectively through the corresponding pressing rollers; the synchronous film pasting of the large-sized battery is realized, and the processing efficiency of lithium battery production is improved.

The above-mentioned patents and prior art also suffer from the following disadvantages:

the film material transmission, the lithium battery transmission and the processing of the lithium battery film pasting cannot be continuously completed in the prior art, the degree of automation is low, manual assistance is needed, the processing efficiency is low, the lithium battery is required to be conveyed to a processing position, the lithium battery is required to be manually turned over to paste films on all sides of the lithium battery during film pasting, the labor intensity is high, time and labor are wasted, and the processing efficiency is reduced.

Disclosure of Invention

Based on the above, it is necessary to provide an automatic film coating device for a large-sized soft-package lithium battery, aiming at the problems in the prior art.

In order to solve the problems in the prior art, the invention adopts the following technical scheme:

an automatic film coating device for a large soft-package lithium battery comprises a frame; the lithium battery comprises a lithium battery body, a lithium battery front end face film and a lithium battery rear end face film, and is characterized by further comprising an edge covering mechanism for attaching the lithium battery front end face film and the lithium battery rear end face film, wherein the edge covering mechanism comprises a first linear driver and a press roller assembly, the first linear driver is provided with two first rotating shafts and two press roller assemblies which are fixedly installed on a frame, the press roller assembly comprises a first installation frame, a second installation frame, a connecting rod, a first rotating shaft and a roller, the first installation frame and the second installation frame are slidably installed on the frame, the first installation frame and the second installation frame are respectively in transmission connection with driving ends of the two first linear drivers, the first installation frame and the second installation frame are fixedly connected through the connecting rod, the first rotating shafts and the roller are respectively rotatably installed on the first installation frame and the second installation frame, and the roller is sleeved on the first rotating shaft; the automatic film coating equipment further comprises a turnover mechanism for turning over the lithium battery and a feeding mechanism for providing film materials, and the turnover mechanism and the feeding mechanism are both arranged on the frame.

Preferably, the press roll assembly further comprises four supporting blocks and elastic pieces, the two supporting blocks and the elastic pieces are slidably mounted on the first mounting frame and the second mounting frame, two ends of the first rotating shaft are fixedly connected with one supporting block respectively, two ends of the two elastic pieces are fixedly connected with the supporting blocks and the first mounting frame respectively, and two ends of the other two elastic pieces are fixedly connected with the supporting blocks and the second mounting frame respectively.

Preferably, the turnover mechanism comprises a fixing part, a connecting part, a folding part, a turnover driving assembly and an auxiliary fixing sucker, wherein the fixing part is fixedly arranged on the frame, two ends of the connecting part are respectively hinged with the fixing part and the folding part, the turnover driving assembly is fixedly arranged on the frame, the driving end of the turnover driving assembly is in transmission connection with the folding part, and the turnover driving assembly is fixedly arranged on the folding part.

Preferably, the overturning driving assembly comprises an arc-shaped guide rail, a sliding rod, a rotating gear, a rack, a first mounting seat, a limiting column and a first rotary driver, wherein the arc-shaped guide rail is fixedly arranged on the frame, the sliding rod is slidably arranged on the arc-shaped guide rail, the sliding rod is rotatably arranged on the folding part, the rotating gear is fixedly sleeved on the sliding rod, the rack is fixedly arranged on the arc-shaped guide rail, the rotating gear is connected with the rack in a transmission manner, the first mounting seat is slidably arranged on the arc-shaped guide rail, the limiting column is fixedly arranged on the first mounting seat, the limiting column is slidably matched with the arc-shaped guide rail, the first rotary driver is fixedly arranged on the first mounting seat, and the driving end of the first rotary driver is in transmission connection with the sliding rod.

Preferably, the feeding mechanism comprises a material roll and a first feeding assembly, the material roll is rotatably arranged on the frame, the first feeding assembly comprises a second rotating shaft, a second rotating driver, a feeding roller, a third rotating shaft and a glue spreading roller, the second rotating shaft is rotatably arranged on the frame, the second rotating driver is fixedly arranged on the frame, the driving end of the second rotating driver is connected with a driving wheel of the second rotating shaft, the feeding roller is fixedly sleeved on the second rotating shaft, the third rotating shaft is rotatably arranged on the frame, the glue spreading roller is sleeved on the third rotating shaft, and a gap for passing film materials is formed between the glue spreading roller and the feeding roller.

Preferably, the feeding mechanism further comprises a second feeding assembly, the second feeding assembly comprises a second mounting seat, a first vacuum chuck, a first screw rod and a third rotary driver, the second mounting seat is slidably mounted on the frame, the first vacuum chuck is fixedly mounted on the second mounting seat, the first screw rod is rotatably mounted on the frame, the first screw rod is in threaded connection with the second mounting seat, the third rotary driver is fixedly mounted on the frame, and the driving end of the third rotary driver is in transmission connection with the first screw rod.

Preferably, the frame comprises a cutting assembly, the cutting assembly comprises a cutter and a second linear driver, the cutter is slidably mounted on the frame, the second linear driver is fixedly mounted on the frame, and the driving end of the second linear driver is in transmission connection with the cutter.

Preferably, the application is still including being used for the unloading on the lithium cell move material mechanism, move material mechanism includes third mounting bracket, the slide rail, the slider, clamping assembly, third linear drive ware and conveyer, the third mounting bracket is located the top of frame, the slide rail is fixed to be set up on the third mounting bracket, slider and slide rail sliding fit, clamping assembly fixed mounting is on the slider, third linear drive ware fixed mounting is on the third mounting bracket, third linear drive ware's drive end is connected with the slider transmission, the conveyer is located and is used for transporting the lithium cell under the third mounting bracket.

Preferably, the clamping assembly comprises a third mounting seat, a fourth linear driver and a second vacuum chuck, wherein the third mounting seat is slidably mounted on the sliding block, the fourth linear driver is fixedly mounted on the sliding block, the driving end of the fourth linear driver is in transmission connection with the third mounting seat, and the second vacuum chuck is fixedly mounted on the third mounting seat.

Preferably, the edge covering mechanism further comprises a limiting plate and two extending columns, wherein the limiting plate is fixedly arranged on the frame, the two extending columns are respectively and fixedly arranged on the first mounting frame and the second mounting frame, and the extending columns are in sliding fit with the limiting plate.

Compared with the prior art, the beneficial effects of this application are:

1. through setting up the mechanism of borduring can be with the front and back pad pasting of lithium cell, through overturning the lithium cell, can be with the top surface of lithium cell and one of them side pad pasting, the pad pasting does not need the manual work upset lithium cell, the operation degree of difficulty has been reduced, production efficiency has been improved, through first pay-off subassembly, can carry the membrane material in succession and through the second mount pad, first vacuum chuck transports the membrane material to the processing position, can the continuous movement membrane material, can be continuous to the lithium cell pad pasting, save after the pad pasting to the lithium cell, when need take the membrane material again, it is more convenient, can remove the lithium cell transmission through the conveyer, and make the slider remove to the lithium cell top through the third linear drive, with lithium cell centre gripping and remove to the processing position, the manual work is carried the lithium cell from transmission device on, labor degree has been reduced, can be continuous transport lithium cell and membrane material, can go on in succession to the lithium cell pad pasting, production efficiency has been improved, and degree of automation is high.

2. This application has realized the function of laminating the membrane material in the frame wholly through frame, mechanism of borduring, tilting mechanism and feeding mechanism, when having solved traditional lithium cell diolame, need to step and carry out the pad pasting to its a plurality of sides, lead to its side membrane perk easily, influence the defect of diolame quality, realized further improving the function of diolame stability through supporting shoe and elastic component, the terminal surface membrane material leaves the gap around having solved the lithium cell with its up end membrane material to lead to the defect that the membrane material perk is limit.

3. The function of automatic cutting off of the membrane material is achieved through the cutter and the second linear driver, and the defect that the membrane material needs to be manually cut off after the membrane coating processing of one lithium battery is finished so as to process the next lithium battery is overcome.

4. The function of unloading in automation has been realized through third mounting bracket, slide rail, slider, clamping assembly, third linear drive and conveyer, has solved the defect that needs the manual lithium cell to remove to the diolame processing position of operating personnel.

5. The function of restriction first mounting bracket and second mounting bracket travel path has been realized through limiting plate and extension post to this application, has solved compression roller subassembly and has taken place dislocation easily in-process that reciprocates, leads to unable normal work's defect.

Drawings

FIG. 1 is a schematic perspective view of the present application;

FIG. 2 is a schematic perspective view of the taping mechanism and the turnover mechanism of the present application;

FIG. 3 is a schematic perspective view of the taping mechanism of the present application;

FIG. 4 is an enlarged partial schematic view of FIG. 3A of the present application;

FIG. 5 is a schematic perspective view of the turnover mechanism of the present application;

FIG. 6 is an enlarged partial schematic view of FIG. 5B of the present application;

FIG. 7 is a schematic perspective view of the feed mechanism of the present application;

FIG. 8 is a schematic perspective view of a first feed assembly of the present application;

FIG. 9 is a schematic perspective view of a second feed assembly of the present application;

FIG. 10 is a schematic perspective view of a cutting assembly of the present application;

FIG. 11 is a second perspective view of the present application;

FIG. 12 is a front view of the present application;

FIG. 13 is a schematic perspective view of a clamping assembly of the present application;

the reference numerals in the figures are:

1-a frame; 1 a-a cutting assembly; 1a 1-a cutter; 1a 2-a second linear drive;

2-an edge covering mechanism; 2 a-a first linear drive; 2 b-a press roll assembly; 2b 1-a first mount; 2b 2-a second mount; 2b 3-connecting rod; 2b 4-a first rotation axis; 2b 5-roller; 2b 6-support blocks; 2b 7-elastic member; 2c 1-limiting plates; 2c 2-extension columns;

3-a turnover mechanism; 3 a-a fixing part; 3 b-a connection; 3 c-fold; 3 d-flip drive assembly; 3d 1-arc guide rails; 3d 2-slide bar; 3d 3-rotating gears; 3d 4-rack; 3d 5-first mount; 3d 6-limit columns; 3d 7-a first rotary drive; 3 e-auxiliary fixing suction cup;

4-a feeding mechanism; 4 a-material roll; 4 b-a first feed assembly; 4b 1-a second rotation axis; 4b 2-a second rotary drive; 4b 3-feeding roller; 4b 4-a third rotation axis; 4b 5-glue applicator; 4 c-a second feeding assembly; 4c 1-a second mount; 4c 2-a first vacuum chuck; 4c 3-a first screw; 4c 4-a third rotary drive;

5-a material moving mechanism; 5 a-a third mount; 5 b-a slide rail; 5 c-a slider; 5 d-a clamping assembly; 5d 1-a third mounting seat; 5d 2-fourth linear drive; 5d 3-a second vacuum chuck; 5 e-a third linear drive; 5 f-conveyor.

Detailed Description

The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.

As shown in fig. 1-3:

an automatic film coating device for a large soft-package lithium battery comprises a frame 1; the lithium battery comprises a frame 1, a lithium battery front end face film and a lithium battery rear end face film, and is characterized by further comprising an edge covering mechanism 2 used for attaching the lithium battery front end face film and the lithium battery rear end face film, wherein the edge covering mechanism 2 comprises a first linear driver 2a and a compression roller assembly 2b, the first linear driver 2a is provided with two first linear drivers and is fixedly arranged on the frame 1, the compression roller assembly 2b comprises a first installation frame 2b1, a second installation frame 2b2, a connecting rod 2b3, a first rotation shaft 2b4 and a roller 2b5, the first installation frame 2b1 and the second installation frame 2b2 are respectively and slidably arranged on the frame 1, the first installation frame 2b1 and the second installation frame 2b2 are respectively in transmission connection with driving ends of the two first linear drivers 2a, the first installation frame 2b1 and the second installation frame 2b2 are fixedly connected through the connecting rod 2b3, the first rotation shaft 2b4 and the roller 2b5 are respectively rotatably arranged on the first installation frame 2b1 and the second installation frame 2b2, and the roller 2b5 are respectively sleeved on the first rotation shaft 2b 4; the automatic film coating equipment further comprises a turnover mechanism 3 for turning over the lithium battery and a feeding mechanism 4 for providing film materials, wherein the turnover mechanism 3 and the feeding mechanism 4 are both arranged on the frame 1.

This application has realized the function of laminating the whole laminating of membrane material on frame 1 through frame 1, mechanism 2, tilting mechanism 3 and feeding mechanism 4 of borduring, has solved when traditional lithium cell diolame, need step by step to its a plurality of sides carry out the pad pasting, not only lead to the membrane material between each face to leave the gap, can also lead to its side membrane to perk easily, influences the problem of diolame quality. The first linear driver 2a is preferably a linear cylinder, and the linear cylinder, the turnover mechanism 3 and the feeding mechanism 4 are all electrically connected with the controller; in order to prevent the membrane material from raising and even falling, this application adopts frame 1, mechanism 2 bordures, tilting mechanism 3 and feeding mechanism 4 cooperation, and the membrane material is the expansion column structure of adaptation lithium cell surface, be whole laminating with the membrane material on the lithium cell, prevent that the membrane material side from falling, operating personnel gives feeding mechanism 4 through the controller transmission signal, feeding mechanism 4 removes the membrane material to the processing position, then operating personnel puts the lithium cell on the membrane material of diolame processing position, and make the corner of lithium cell align with the corner of membrane material, thereby make the bottom surface membrane material laminating of lithium cell, then send the signal through the controller for first linear drive 2a, first linear drive 2b1 and second mounting bracket 2b2 synchronous upward movement, thereby drive running roller 2b5 upward movement, running roller 2b5 takes place to roll and extrudees the membrane material in the removal process, make the membrane material laminating on the lithium cell, simultaneously through the roll of running roller 2b5 can flatten the membrane material, prevent the membrane material overlap, after the laminating is accomplished, the controller sends the signal for tilting mechanism 3, thereby laminate the membrane material on lithium cell is laminated to the tilting mechanism 3.

Further, the application still has the lithium cell front and back terminal surface membrane material and upper end face membrane material and leaves the gap to lead to the defect that the membrane material sticks up the limit, in order to solve this problem, as shown in fig. 3-4:

the press roller assembly 2b further comprises supporting blocks 2b6 and elastic pieces 2b7, the supporting blocks 2b6 and the elastic pieces 2b7 are four, two supporting blocks 2b6 and the elastic pieces 2b7 are slidably mounted on the first mounting frame 2b1 and the second mounting frame 2b2, two ends of the first rotating shaft 2b4 are fixedly connected with one supporting block 2b6 respectively, two ends of the two elastic pieces 2b7 are fixedly connected with the supporting blocks 2b6 and the first mounting frame 2b1 respectively, and two ends of the other two elastic pieces 2b7 are fixedly connected with the supporting blocks 2b6 and the second mounting frame 2b2 respectively.

The function of further improving the stability of the coating is realized through the supporting block 2b6 and the elastic piece 2b 7. The elastic piece 2b7 is extruded by the reaction force caused by the front end and the rear end of the lithium battery to the roller 2b5, so that the elastic piece 2b7 is stressed and shortened, the elastic driving roller 2b5 is generated, a pretightening force exists between the roller 2b5 and the lithium battery, the laminating degree of the membrane material is further improved, when an operator drives the first mounting frame 2b1 and the second mounting frame 2b2 to move upwards together with the first linear driver 2a, the first mounting frame 2b1 and the second mounting frame 2b2 can drive the supporting block 2b6 to move upwards, the roller 2b5 is driven to extrude the membrane material, the membrane material is laminated on the front end face and the rear end face of the lithium battery, after the membrane material is moved to the uppermost part of the lithium battery, the supporting block 2b6 can move outwards for a distance due to the elastic influence of the elastic piece 2b7, the membrane material is extruded to be laminated on the upper end face of the lithium battery, the membrane material is enabled to be completely wrapped by the front end face and the rear end face of the lithium battery, the membrane material is laminated on the upper end face of the lithium battery through the cooperation of the turnover mechanism 3, the membrane material is enabled to be laminated on the upper end face of the lithium battery, the membrane material can be completely wrapped by the membrane material, and the membrane material is enabled to be completely wrapped by the membrane material and the upper end face of the membrane material is enabled to be completely not to have the upper stability.

Further, this application still has the lithium cell and can take place to slide when the upset, leads to the membrane material to overlap, seriously influences the defect of diolame quality, in order to solve this problem, as shown in fig. 2 and fig. 5:

the turnover mechanism 3 comprises a fixing portion 3a, a connecting portion 3b, a folding portion 3c, a turnover driving assembly 3d and an auxiliary fixing sucker 3e, wherein the fixing portion 3a is fixedly installed on the frame 1, two ends of the connecting portion 3b are respectively hinged with the fixing portion 3a and the folding portion 3c, the turnover driving assembly 3d is fixedly installed on the frame 1, a driving end of the turnover driving assembly 3d is in transmission connection with the folding portion 3c, and the turnover driving assembly 3d is fixedly installed on the folding portion 3 c.

The function of stably overturning the lithium battery is realized through the fixing part 3a, the connecting part 3b, the folding part 3c, the overturning driving component 3d and the auxiliary fixing sucker 3 e. The overturning driving assembly 3d and the auxiliary fixed sucker 3e are electrically connected with the controller; the operation personnel send signals to the feeding mechanism 4 through the controller, the feeding mechanism 4 moves the membrane material to the fixed part 3a, then the operation personnel puts the lithium battery at the membrane coating processing position, and make the corner of the lithium battery align with the corner of the membrane material, thereby make one face of the lithium battery laminate with the membrane material, then send signals to the first linear driver 2a through the controller, the first linear driver 2a drives the first mounting bracket 2b1 and the second mounting bracket 2b2 to move upwards synchronously, thereby drive the roller 2b5 to move upwards, the roller 2b5 rolls and extrudes the membrane material in the moving process, make the membrane material laminate on the lithium battery, after the lamination is completed, the controller sends signals to the auxiliary fixed sucker 3e, after the auxiliary fixed sucker 3e is started, fix the lithium battery on the folded part 3c, then the controller sends signals to the overturning driving assembly 3d, the folded part 3c is driven to rotate along with the rotation of the folded part 3c, thereby laminate the membrane material on the end face of the lithium battery and the folded part 3c, the membrane material laminate is abutted against the end face of the lithium battery, the membrane material laminate is cut off after the lithium battery overturning end face, the membrane material laminate is completely contacts the membrane material laminate on the end face of the lithium battery, after the membrane laminate is cut off, the membrane laminate is completely attached to the membrane laminate is completely, and the membrane laminate is completely attached to the lithium material laminate is left by the lithium battery after the membrane laminate is completely, and the membrane laminate is attached to the membrane material laminate is completely, after the membrane laminate is attached to the lithium material is completely.

Further, in order to solve the technical problem of how to drive the folding portion 3c to turn by the turning driving assembly 3d, as shown in fig. 5-6:

the overturning driving assembly 3d comprises an arc-shaped guide rail 3d1, a sliding rod 3d2, a rotating gear 3d3, a rack 3d4, a first mounting seat 3d5, a limiting column 3d6 and a first rotary driver 3d7, wherein the arc-shaped guide rail 3d1 is fixedly mounted on the frame 1, the sliding rod 3d2 is slidably mounted on the arc-shaped guide rail 3d1, the sliding rod 3d2 is rotatably mounted on a folding part 3c, the rotating gear 3d3 is fixedly sleeved on the sliding rod 3d2, the rack 3d4 is fixedly arranged on the arc-shaped guide rail 3d1, the rotating gear 3d3 is in transmission connection with the rack 3d4, the first mounting seat 3d5 is slidably mounted on the arc-shaped guide rail 3d1, the limiting column 3d6 is fixedly arranged on the first mounting seat 3d5, the limiting column 3d6 is slidably matched with the arc-shaped guide rail 3d1, the first rotary driver 3d7 is fixedly mounted on the first mounting seat 3d5, and the driving end of the first rotary driver 3d7 is in transmission connection with the sliding rod 3d 2.

The utility model discloses a function of drive folding portion 3c upset and restriction its travel path has been realized through arc guide rail 3d1, slide bar 3d2, rotation gear 3d3, rack 3d4, first mount pad 3d5, spacing post 3d6 and first rotary actuator 3d 7. The first rotary driver 3d7 is preferably a servo motor, and the servo motor is electrically connected with the controller; an operator sends a signal to the feeding mechanism 4 through a controller, the feeding mechanism 4 moves the film material to a processing position, then the operator places a lithium battery at a coating processing position, aligns the corners of the lithium battery with the corners of the film material, so that one face of the lithium battery is attached to the film material, then the controller sends a signal to the first linear driver 2a, the first linear driver 2a drives the first mounting frame 2b1 and the second mounting frame 2b2 to synchronously move upwards, thereby driving the roller 2b5 to move upwards, the roller 2b5 rolls and extrudes the film material in the moving process, the film material is attached to the lithium battery, after the attachment is completed, the controller sends a signal to the auxiliary fixing sucker 3e, the auxiliary fixing sucker 3e fixes the lithium battery on the folding part 3c after being started, then the controller sends a signal to the first rotary driver 3d7, the first rotary driver 3d7 drives the sliding rod 3d2 to rotate, the sliding rod 3d2 drives the rotating gear 3d3 to rotate, the rotating gear 3d3 is in transmission connection with the rack 3d4, the rack 3d4 is fixed in position, and the first rotating driver 3d7 is limited by the first mounting seat 3d5 and the limiting post 3d6, so that the rotating gear 3d3 rotates to drive the sliding rod 3d2 to slide along the arc-shaped guide rail 3d1, the folding part 3c is driven to rotate along the extending track of the arc-shaped guide rail 3d1, the lithium battery is driven to complete overturning along with the rotation of the folding part 3c, so that a film material is attached to the left end face and the right end face of the lithium battery, the complete film coating of the lithium battery is completed, the functions of stabilizing and overturning the lithium battery are realized through the fixing part 3a, the connecting part 3b, the folding part 3c, the overturning driving assembly 3d and the auxiliary fixing sucker 3e, and the defect that the film material is overlapped and seriously influences the film coating quality due to the fact that the lithium battery slides during overturning is solved.

Further, in order to solve the technical problem of how to complete feeding by the feeding mechanism 4, as shown in fig. 2, 7 and 8:

the feeding mechanism 4 comprises a material roll 4a and a first feeding component 4b, the material roll 4a is rotatably arranged on the frame 1, the first feeding component 4b comprises a second rotating shaft 4b1, a second rotating driver 4b2, a feeding roller 4b3, a third rotating shaft 4b4 and a glue spreading roller 4b5, the second rotating shaft 4b1 is rotatably arranged on the frame 1, the second rotating driver 4b2 is fixedly arranged on the frame 1, the driving end of the second rotating driver 4b2 is connected with a driving wheel of the second rotating shaft 4b1, the feeding roller 4b3 is fixedly sleeved on the second rotating shaft 4b1, the third rotating shaft 4b4 is rotatably arranged on the frame 1, the glue spreading roller 4b5 is sleeved on the third rotating shaft 4b, a gap for passing through a film material is formed between the glue spreading roller 4b5 and the feeding roller 4b3, the function of stably conveying the film material is realized through the material roll 4a and the first feeding component 4b, and the technical problem of how the feeding mechanism 4 finishes feeding is solved.

The function of stably conveying the membrane material is realized through the material roll 4a and the first feeding component 4 b. The second rotary driver 4b2 is preferably a servo motor, and the servo motor is electrically connected with the controller; an operator sends a signal to the second rotary driver 4b2 through the controller, the second rotary driver 4b2 receives the signal and then drives the second rotary shaft 4b1 to rotate, the second rotary shaft 4b1 drives the feed roller 4b3 to rotate, the film material is driven to move through the feed roller 4b3, the glue spreading roller 4b5 is driven to rotate in the film material moving process, glue is uniformly smeared on the upper layer of the film material through the rolling of the glue spreading roller 4b5, and therefore the film material is adhered to the surface of a lithium battery.

Further, the application still has the membrane material and still need remove longer distance after passing through first feeding assembly 4b, leads to the membrane material unstable in the route of follow-up removal in-process, appears overlapping easily and glues together, influences the defect of lithium cell diolame, in order to solve this problem, as shown in fig. 7 and 9:

the feeding mechanism 4 further comprises a second feeding assembly 4c, the second feeding assembly 4c comprises a second mounting seat 4c1, a first vacuum chuck 4c2, a first screw 4c3 and a third rotary driver 4c4, the second mounting seat 4c1 is slidably mounted on the frame 1, the first vacuum chuck 4c2 is fixedly mounted on the second mounting seat 4c1, the first screw 4c3 is rotatably mounted on the frame 1, the first screw 4c3 is in threaded connection with the second mounting seat 4c1, the third rotary driver 4c4 is fixedly mounted on the frame 1, and the driving end of the third rotary driver 4c4 is in transmission connection with the first screw 4c 3.

The function of further stabilizing the membrane material moving process is realized through the second mounting seat 4c1, the first vacuum chuck 4c2, the first screw 4c3 and the third rotary driver 4c 4. The third rotary driver 4c4 is preferably a servo motor, and the servo motor and the first vacuum chuck 4c2 are electrically connected with the controller; an operator firstly sends a signal to a second rotary driver 4b2 through a controller, the second rotary driver 4b2 receives the signal and then drives a second rotary shaft 4b1 to rotate, the second rotary shaft 4b1 drives a feed roller 4b3 to rotate, a film material is driven to move through the feed roller 4b3, a glue spreading roller 4b5 is driven to rotate in the moving process of the film material, glue is uniformly smeared on the upper layer of the film material through the rolling of the glue spreading roller 4b5, then the controller sends the signal to a third rotary driver 4c4, the third rotary driver 4c4 drives a first screw 4c3 to rotate, the first screw 4c3 drives a second mounting seat 4c1 in threaded connection with the first screw 4c3 to move, the second mounting seat 4c1 drives a first vacuum chuck 4c2 to move, the first vacuum chuck 4c2 is moved to one end close to the first feeding component 4b, then the controller sends a signal to the first vacuum chuck 4c2, the first vacuum chuck 4c2 adsorbs the membrane material, then the membrane material is moved to a membrane coating processing position through the driving of the third rotary driver 4c4, the function of further stabilizing the membrane material moving process is realized through the second mounting seat 4c1, the first vacuum chuck 4c2, the first screw 4c3 and the third rotary driver 4c4, the defect that the membrane material still needs to move for a long distance after passing through the first feeding component 4b, the membrane material is unstable in the path in the subsequent moving process, overlapping and sticking are easy to occur, and the membrane coating of a lithium battery is influenced is overcome.

Further, the present application still has the disadvantage that after the coating process of one lithium battery is completed, the film needs to be manually cut off so as to process the next lithium battery, and in order to solve this problem, as shown in fig. 9-10:

the frame 1 includes cutting assembly 1a, and cutting assembly 1a includes cutter 1a1 and second linear drive 1a2, and cutter 1a1 slidable mounting is on frame 1, and second linear drive 1a2 fixed mounting is on frame 1, and the drive end and the cutter 1a1 transmission of second linear drive 1a2 are connected.

The function of automatically cutting off the film material is realized through the cutter 1a1 and the second linear driver 1a 2. The second linear driver 1a2 is preferably a linear cylinder, and the linear cylinder is electrically connected with the controller; an operator carries out automatic coating processing on a lithium battery through the cooperation of the edge covering mechanism 2, the turnover mechanism 3 and the feeding mechanism 4, after coating is finished, a controller firstly sends a signal to the first feeding component 4b, the first feeding component 4b drives the film material to carry out partial conveying, then the controller sends a signal to the second linear driver 1a2, the second linear driver 1a2 drives the cutter 1a1 to move upwards, the film material can be pulled to move upwards in the upward moving process of the cutter 1a1, the film pasting on the last side surface of the lithium battery is finished, after the cutter 1a1 contacts with the folding part 3c, the film material is cut off through the extrusion of the cutter 1a1 and the folding part 3c, then the turnover driving component 3d and the auxiliary fixing sucker 3e drive the lithium battery to reset, and then the film material is conveyed through the first feeding component 4b and the second feeding component 4c, so that the next lithium battery is coated, the automatic film cutting function is realized through the cutter 1a1 and the second linear driver 1a2, and the defect that after coating processing of the lithium battery is finished, the film is cut off manually is needed, and the next lithium battery is processed.

Further, the present application still has the disadvantage of requiring an operator to manually move the lithium battery to the capsule processing position, as shown in fig. 11-12, in order to solve this problem:

the application is still including being used for the unloading on the lithium cell move material mechanism 5, move material mechanism 5 includes third mounting bracket 5a, slide rail 5b, slider 5c, clamping assembly 5d, third linear drive 5e and conveyer 5f, third mounting bracket 5a is located the top of frame 1, slide rail 5b is fixed to be set up on third mounting bracket 5a, slider 5c and slide rail 5b sliding fit, clamping assembly 5d fixed mounting is on slider 5c, third linear drive 5e fixed mounting is on third mounting bracket 5a, third linear drive 5 e's drive end is connected with the transmission of slider 5c, conveyer 5f is located and is used for transporting the lithium cell under the third mounting bracket 5 a.

The automatic feeding and discharging function is achieved through the third mounting frame 5a, the sliding rail 5b, the sliding block 5c, the clamping assembly 5d, the third linear driver 5e and the conveyor 5 f. The third linear driver 5e is preferably a screw motor, and the screw motor and the conveyor 5f are electrically connected with the controller; an operator moves a lithium battery to be processed to the vicinity of the frame 1 through the conveyor 5f, then sends a signal to the third linear driver 5e through the controller, the third linear driver 5e drives the sliding block 5c to move to the position right above the lithium battery, then the controller sends a signal to the clamping component 5d, the clamping component 5d clamps the lithium battery, then the controller sends a signal to the third linear driver 5e again, the third linear driver 5e drives the sliding block 5c to move to the position right above the processing position, and then the lithium battery is moved to the processing position through the clamping component 5 d; after the machining is finished, the machined lithium battery is moved to the conveyor 5f through the matching of the clamping assembly 5d and the third linear driver 5e, the machined lithium battery is moved to the blanking position through the conveyor 5f, the automatic feeding and discharging function is achieved through the third mounting frame 5a, the sliding rail 5b, the sliding block 5c, the clamping assembly 5d, the third linear driver 5e and the conveyor 5f, and the defect that an operator is required to manually move the lithium battery to the coating machining position is overcome.

Further, in order to solve the technical problem of how to stably clamp the lithium battery by the clamping assembly 5d, as shown in fig. 13:

the clamping assembly 5d comprises a third mounting seat 5d1, a fourth linear driver 5d2 and a second vacuum chuck 5d3, wherein the third mounting seat 5d1 is slidably mounted on the sliding block 5c, the fourth linear driver 5d2 is fixedly mounted on the sliding block 5c, the driving end of the fourth linear driver 5d2 is in transmission connection with the third mounting seat 5d1, and the second vacuum chuck 5d3 is fixedly mounted on the third mounting seat 5d 1.

The function of stably clamping the lithium battery is achieved through the third mounting seat 5d1, the fourth linear driver 5d2 and the second vacuum chuck 5d 3. The fourth linear driver 5d2 is preferably a linear cylinder, and the fourth linear driver 5d2 and the second vacuum chuck 5d3 are electrically connected with the controller; when an operator needs to clamp a lithium battery, the controller sends a signal to the third linear driver 5e, the third linear driver 5e drives the sliding block 5c to move to the position right above the lithium battery, then the controller sends a signal to the fourth linear driver 5d2, the fourth linear driver 5d2 drives the third mounting seat 5d1 to move downwards until the second vacuum chuck 5d3 contacts the lithium battery, then the controller sends a signal to the second vacuum chuck 5d3, the second vacuum chuck 5d3 adsorbs the lithium battery, then the controller sends a signal to the fourth linear driver 5d2, the fourth linear driver 5d2 drives the third mounting seat 5d1 to move upwards so as to move the lithium battery, after the third linear driver 5e drives the lithium battery to move to the position right above the specified position, the lithium battery is placed to the specified position through the cooperation of the fourth linear driver 5d2 and the second vacuum chuck 5d3, the movement of the lithium battery is completed, and the stable clamping function of the lithium battery is realized through the third mounting seat 5d1, the fourth linear driver 5d2 and the second linear driver 5d 3.

Further, the present application still has a drawback that the press roller assembly 2b is easily dislocated in the process of moving up and down, resulting in an inability to work normally, and in order to solve this problem, as shown in fig. 2 and 7:

the edge covering mechanism 2 further comprises a limiting plate 2c1 and extending columns 2c2, wherein the limiting plate 2c1 is fixedly arranged on the frame 1, two extending columns 2c2 are arranged, the two extending columns 2c2 are respectively fixedly arranged on the first mounting frame 2b1 and the second mounting frame 2b2, and the extending columns 2c2 are in sliding fit with the limiting plate 2c 1.

The function of limiting the moving path of the first mounting frame 2b1 and the second mounting frame 2b2 is achieved through the limiting plate 2c1 and the extending column 2c 2. Through limiting plate 2c 1's setting, can restrict the lower extreme that first mounting bracket 2b1 and second mounting bracket 2b2 moved along vertical direction, and make first mounting bracket 2b1 and second mounting bracket 2b2 reset the back with frame 1 stable laminating, then through extending post 2c2 and limiting plate 2c 1's sliding fit, the angle that first mounting bracket 2b1 and second mounting bracket 2b2 moved has been restricted, prevent its crooked dislocation that leads to, thereby improve compression roller assembly 2 b's operational stability, realized restricting the function of first mounting bracket 2b1 and second mounting bracket 2b2 travel path through limiting plate 2c1 and extending post 2, the in-process that has solved compression roller assembly 2b and has taken place the dislocation easily, lead to the defect that can't normally work.

The auxiliary fixing suction cup 3e, the first vacuum suction cup 4c2 and the second vacuum suction cup 5d3 are communicated with a vacuum machine through air pipes, and the vacuum machine pumps the inside of the auxiliary fixing suction cup 3e, the first vacuum suction cup 4c2 and the second vacuum suction cup 5d3 to negative pressure, so that the auxiliary fixing suction cup 3e, the first vacuum suction cup 4c2 and the second vacuum suction cup 5d3 adsorb objects through the negative pressure.

The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.

Claims (10)

1. An automatic film coating device for a large soft-package lithium battery comprises a frame (1); the lithium battery packaging machine is characterized by further comprising an edge covering mechanism (2) for attaching front and rear end face films of a lithium battery, wherein the edge covering mechanism (2) comprises a first linear driver (2 a) and a press roller assembly (2 b), the first linear driver (2 a) is provided with two first mounting frames (2 b 1), the press roller assembly (2 b) comprises a second mounting frame (2 b 2), a connecting rod (2 b 3), a first rotating shaft (2 b 4) and a roller (2 b 5), the first mounting frames (2 b 1) and the second mounting frames (2 b 2) are slidably mounted on the frame (1), the first mounting frames (2 b 1) and the second mounting frames (2 b 2) are respectively in transmission connection with the driving ends of the two first linear drivers (2 a), the first mounting frames (2 b 1) and the second mounting frames (2 b 2) are fixedly connected through the connecting rod (2 b 3), the first rotating shaft (2 b 4) and the roller (2 b 5) are respectively provided with two first rotating shafts (2 b 4) and the second rotating shafts (2 b 4) are respectively rotatably mounted on the first rotating shafts (2 b (2 b) and the second rotating shafts (2 b 5); the automatic film coating equipment further comprises a turnover mechanism (3) for turning over the lithium battery and a feeding mechanism (4) for providing film materials, wherein the turnover mechanism (3) and the feeding mechanism (4) are both arranged on the frame (1).

2. The automatic film coating equipment for the large soft-packaged lithium battery according to claim 1, wherein the compression roller assembly (2 b) further comprises supporting blocks (2 b 6) and elastic pieces (2 b 7), the supporting blocks (2 b 6) and the elastic pieces (2 b 7) are respectively provided with four, two supporting blocks (2 b 6) and the elastic pieces (2 b 7) are respectively and slidably arranged on the first mounting frame (2 b 1) and the second mounting frame (2 b 2), two ends of the first rotating shaft (2 b 4) are respectively and fixedly connected with one supporting block (2 b 6), two ends of the two elastic pieces (2 b 7) are respectively and fixedly connected with the supporting blocks (2 b 6) and the first mounting frame (2 b 1), and two ends of the other two elastic pieces (2 b 7) are respectively and fixedly connected with the supporting blocks (2 b 6) and the second mounting frame (2 b 2).

3. The automatic film coating equipment for the large soft-packaged lithium battery according to claim 1, wherein the turnover mechanism (3) comprises a fixing part (3 a), a connecting part (3 b), a folding part (3 c), a turnover driving component (3 d) and an auxiliary fixing sucker (3 e), the fixing part (3 a) is fixedly arranged on the frame (1), two ends of the connecting part (3 b) are respectively hinged with the fixing part (3 a) and the folding part (3 c), the turnover driving component (3 d) is fixedly arranged on the frame (1), the driving end of the turnover driving component (3 d) is in transmission connection with the folding part (3 c), and the turnover driving component (3 d) is fixedly arranged on the folding part (3 c).

4. The automatic film coating equipment for the large soft-package lithium battery according to claim 3, wherein the overturning driving assembly (3 d) comprises an arc-shaped guide rail (3 d 1), a sliding rod (3 d 2), a rotating gear (3 d 3), a rack (3 d 4), a first mounting seat (3 d 5), a limiting post (3 d 6) and a first rotating driver (3 d 7), the arc-shaped guide rail (3 d 1) is fixedly mounted on the frame (1), the sliding rod (3 d 2) is slidably mounted on the arc-shaped guide rail (3 d 1), the sliding rod (3 d 2) is rotatably mounted on a folding part (3 c), the rotating gear (3 d 3) is fixedly sleeved on the sliding rod (3 d 2), the rack (3 d 4) is fixedly arranged on the arc-shaped guide rail (3 d 1), the rotating gear (3 d 3) is in transmission connection with the rack (3 d 4), the first mounting seat (3 d 5) is slidably mounted on the arc-shaped guide rail (3 d 1), the limiting post (3 d 6) is fixedly arranged on the first mounting seat (3 d 5), and the first rotating driver (3 d 7) is fixedly mounted on the first rotating driver (3 d 7) in sliding connection with the first rotating driver (3 d 5).

5. The automatic film coating equipment for the large-sized soft-packaged lithium battery according to claim 1, wherein the feeding mechanism (4) comprises a material roll (4 a) and a first feeding component (4 b), the material roll (4 a) is rotatably arranged on the frame (1), the first feeding component (4 b) comprises a second rotating shaft (4 b 1), a second rotating driver (4 b 2), a feeding roller (4 b 3), a third rotating shaft (4 b 4) and a glue coating roller (4 b 5), the second rotating shaft (4 b 1) is rotatably arranged on the frame (1), the second rotating driver (4 b 2) is fixedly arranged on the frame (1), the driving end of the second rotating driver (4 b 2) is connected with a driving wheel of the second rotating shaft (4 b 1), the feeding roller (4 b 3) is fixedly sleeved on the second rotating shaft (4 b 1), the third rotating shaft (4 b 4) is rotatably arranged on the frame (1), the glue coating roller (4 b 5) is sleeved on the third rotating shaft (4 b) and a gap is formed between the glue coating roller (4 b 5) and the feeding roller (4 b 3).

6. The automatic film coating equipment for the large soft-packaged lithium battery according to claim 5, wherein the feeding mechanism (4) further comprises a second feeding component (4 c), the second feeding component (4 c) comprises a second mounting seat (4 c 1), a first vacuum chuck (4 c 2), a first screw rod (4 c 3) and a third rotary driver (4 c 4), the second mounting seat (4 c 1) is slidably mounted on the frame (1), the first vacuum chuck (4 c 2) is fixedly mounted on the second mounting seat (4 c 1), the first screw rod (4 c 3) is rotatably mounted on the frame (1), the first screw rod (4 c 3) is in threaded connection with the second mounting seat (4 c 1), the third rotary driver (4 c 4) is fixedly mounted on the frame (1), and the driving end of the third rotary driver (4 c 4) is in driving connection with the first screw rod (4 c 3).

7. The automatic film coating equipment for the large soft-package lithium battery according to claim 1, wherein the frame (1) comprises a cutting assembly (1 a), the cutting assembly (1 a) comprises a cutter (1 a 1) and a second linear driver (1 a 2), the cutter (1 a 1) is slidably mounted on the frame (1), the second linear driver (1 a 2) is fixedly mounted on the frame (1), and the driving end of the second linear driver (1 a 2) is in transmission connection with the cutter (1 a 1).

8. The automatic film coating equipment for the large soft-packaged lithium battery is characterized by further comprising a material moving mechanism (5) for feeding and discharging the lithium battery, wherein the material moving mechanism (5) comprises a third mounting frame (5 a), a sliding rail (5 b), a sliding block (5 c), a clamping assembly (5 d), a third linear driver (5 e) and a conveyor (5 f), the third mounting frame (5 a) is located above the frame (1), the sliding rail (5 b) is fixedly arranged on the third mounting frame (5 a), the sliding block (5 c) is in sliding fit with the sliding rail (5 b), the clamping assembly (5 d) is fixedly arranged on the sliding block (5 c), the driving end of the third linear driver (5 e) is in transmission connection with the sliding block (5 c), and the conveyor (5 f) is located right below the third mounting frame (5 a) and is used for conveying the lithium battery.

9. The automatic film coating equipment for the large soft-package lithium battery according to claim 8, wherein the clamping assembly (5 d) comprises a third mounting seat (5 d 1), a fourth linear driver (5 d 2) and a second vacuum chuck (5 d 3), the third mounting seat (5 d 1) is slidably mounted on the sliding block (5 c), the fourth linear driver (5 d 2) is fixedly mounted on the sliding block (5 c), the driving end of the fourth linear driver (5 d 2) is in transmission connection with the third mounting seat (5 d 1), and the second vacuum chuck (5 d 3) is fixedly mounted on the third mounting seat (5 d 1).

10. The automatic film coating equipment for the large soft-packaged lithium battery according to claim 1, wherein the edge coating mechanism (2) further comprises a limiting plate (2 c 1) and extending columns (2 c 2), the limiting plate (2 c 1) is fixedly arranged on the frame (1), the extending columns (2 c 2) are two, the two extending columns (2 c 2) are respectively fixedly arranged on the first mounting frame (2 b 1) and the second mounting frame (2 b 2), and the extending columns (2 c 2) are in sliding fit with the limiting plate (2 c 1).

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