CN114162385A

CN114162385A - Full-automatic film coating device and process for battery

Info

Publication number: CN114162385A
Application number: CN202210130215.XA
Authority: CN
Inventors: 宾兴; 曹强; 刘成; 彭强; 唐延弟; 谭震涛; 徐骏
Original assignee: Shenzhen Sinvo Automatic Co Ltd
Current assignee: Shenzhen Sinvo Automatic Co Ltd
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-03-11

Abstract

The invention discloses a full-automatic film coating device for a battery and a process thereof, wherein the full-automatic film coating device comprises a film placing mechanism, a film drawing mechanism, a transmission module and a film coating module, wherein the film placing mechanism and the film drawing mechanism are arranged at intervals in the vertical direction; the transmission module is horizontally arranged and comprises a first transmission platform and a second transmission platform which are arranged at intervals; the film drawing mechanism is arranged in a gap space between the first transmission platform and the second transmission platform; the coating module is arranged on one side of the transmission module, and the distance between the coating module and the transmission module is larger than the height of the battery; one end face of the battery props against the side part of the pulled blue film, and the blue film is respectively covered on two corresponding side walls and the other end face of the battery by the transmission module and the film coating module. The invention realizes automatic separation, caching and exporting of the blue film and the protective film, film pulling and cutting, automatic battery transmission and adjustable and flexible interval, realizes automatic blue film importing and coating while ensuring normal battery transmission, and effectively improves the coating efficiency and the coating position accuracy of the blue film of the battery.

Description

Full-automatic film coating device and process for battery

Technical Field

The invention relates to the field of lithium ion power battery equipment, in particular to a full-automatic battery coating device and a process thereof.

Background

With the development of new energy greatly promoted by the state, the demand of various industries on the lithium ion power battery is increasing day by day, and in the back-end manufacturing process of the lithium ion power battery, the battery needs to be coated with a blue film, and the blue film mainly plays a role in protecting the battery and avoiding the external scratch of the battery or the corrosion of electrolyte.

In the automatic production line of battery coating, in order to realize automatic blue film coating on the surface of a battery, the following technical problems are specifically required to be solved: 1. the blue film incoming material is generally in a strip-shaped structure and is wound on a material roll, and the attached side surface of the blue film is covered with a protective film strip; therefore, the problems of automatic separation of the blue film and the protective film, blue film export and buffer storage in the blue film export process need to be solved when the blue film of the battery is coated; 2. the problems of automatic transmission of batteries and guiding and limiting of the batteries in the transmission process need to be solved so as to ensure the precision of the coating position; 3. the problem that the banded blue film is mutually connected with the battery action of automatic transmission so as to coat the banded blue film on the surface of the battery needs to be solved, and meanwhile, the problem of the sequence of coating processes of all sides of the battery needs to be researched based on the battery transmission and blue film feeding characteristics; 4. after the blue film is coated, the problem of automatically cutting the blue film in a strip state needs to be solved so as to coat the wound blue film on the surfaces of a plurality of continuously conveyed batteries on an automatic production line; 5. due to the fact that the types and sizes of the batteries are diversified in the actual production process, the problem that the guide distance of the battery transmission can be adjusted needs to be solved, so that the battery transmission guide device is suitable for transmission of the batteries with different sizes, and the universality is improved.

Disclosure of Invention

The invention aims to solve the technical problems of the prior art, and provides a full-automatic battery coating device and a full-automatic battery coating process, which realize automatic separation, cache and export of a blue film and a protective film, automatic film pulling and cutting, automatic battery transmission and adjustable and flexible spacing, realize automatic blue film import and coating while ensuring normal battery transmission, and effectively improve the coating efficiency and coating position accuracy of the blue film of the battery.

The technical scheme adopted by the invention is as follows: a full-automatic film coating device for a battery comprises a film placing mechanism, a film drawing mechanism, a transmission module and a film coating module, wherein the film placing mechanism and the film drawing mechanism are arranged at intervals in the vertical direction; the transmission module is horizontally arranged and comprises a first transmission platform and a second transmission platform which are arranged at intervals, and the battery to be coated is horizontally transmitted through the first transmission platform and the second transmission platform; the film drawing mechanism is arranged in a gap space between the first transmission platform and the second transmission platform; a blue film belt is wound in the film releasing mechanism, the blue film belt is separated from the protective film, extends to one side of the film drawing mechanism, is fixed by the film drawing mechanism and is drawn out to penetrate through the gap space; the coating module is arranged on one side of the transmission module, and the distance between the coating module and the transmission module is larger than the height of the battery; one end face of the battery props against the side part of the pulled blue film and enters a space between the film coating module and the transmission module, the blue film is respectively covered on two corresponding side walls of the battery by the transmission module and the film coating module, and the blue film is horizontally bent and coated on the other end face of the battery by the film coating module.

Preferably, the film placing mechanism and the film pulling mechanism are arranged at intervals up and down, and the blue film separated from the protective film is vertically led out downwards by the film placing mechanism; the film pulling mechanism is arranged on the first transmission platform, adsorbs and fixes the blue film from the side part and pulls down the film to pass through the gap space to extend downwards; the distance that the blue film passes through the gap space and extends downwards is greater than or equal to the length of the battery.

Preferably, the film coating module comprises a film guiding and laminating mechanism and a film pressing and laminating mechanism which are arranged above the transmission module at intervals along the transmission direction of the battery.

Preferably, the film placing mechanism comprises a material roll, a tape separating component, a protective film rolling component and a blue film cache component, wherein a blue film tape with one side attached with a protective film is rolled on the material roll; the belt dividing assembly is arranged at the discharge end of the material roll; the protective film winding assembly and the blue film cache assembly are respectively arranged at two sides of the tape dividing assembly, a blue film tape led out of the material roll is separated by the tape dividing assembly and tensions the protective film and the blue film, and the protective film is connected with the protective film winding assembly and wound by the protective film winding assembly; the blue film is connected with the blue film cache component and is pulled out of the cache through the blue film cache component.

Preferably, the material roll is rotatably arranged on the side wall of the film placing rack; the belt separating component is arranged above the material roll and comprises a first belt separating roller and a second belt separating roller which are rotatably arranged on the side wall of the film placing rack, a blue film belt led out of the material roll passes through a gap between the first belt separating roller and the second belt separating roller, a protective film of the blue film belt is tensioned through the first belt separating roller, and the blue film is tensioned through the second belt separating roller.

Preferably, the protective film winding assembly comprises a winding motor, a winding roller, a tensioning adjusting cylinder and a tensioning adjusting roller, wherein the winding motor is arranged on the film releasing rack; the winding roller is rotatably arranged on the side wall of the film placing rack and is connected with the output end of a winding motor, and the winding motor drives the winding roller to rotate; the tail end of the protective film is fixedly connected to a winding roller, and the protective film is pulled out and wound by the rotation of the winding roller;

the tensioning adjusting cylinder is arranged between the first tape separating roller and the winding roller and movably connected with the film placing rack, the tensioning adjusting cylinder outputs power to the film placing rack, and the reaction force of the film placing rack pushes the tensioning adjusting cylinder to move; the tensioning adjusting roller is rotatably arranged on the tensioning adjusting cylinder, and the protective film led out by the first sub-belt roller is tensioned by the tensioning adjusting roller and then connected to the winding roller.

Preferably, the blue film buffer assembly comprises a buffer motor, a buffer sliding seat, a buffer roller and a lead-out assembly, wherein the buffer motor is arranged on the film placing rack, and the output end of the buffer motor is connected with a screw rod; the buffer sliding seat is connected to the side wall of the film placing rack in a sliding manner and is in threaded connection with the screw rod, and the buffer motor drives the buffer sliding seat to slide linearly by driving the screw rod to rotate; the buffer roller is rotatably arranged on the buffer sliding seat;

the guiding-out component comprises at least two tensioning rollers which are arranged on the side wall of the film placing rack at intervals and can rotate; blue membrane that above-mentioned second branch band roller was derived passes buffer memory roller and above-mentioned tensioning roller in turn, and when buffer memory roller slided along with buffer memory slide, it had been cached between second branch band roller and the tensioning roller to pull out blue membrane, and blue membrane end is derived downwards through the tensioning roller.

Preferably, one side of the first transmission platform is provided with a material pushing mechanism, and the material pushing mechanism pushes the battery on the first transmission platform linearly;

the first transmission platform is provided with a distance adjusting slide rail along the direction perpendicular to the battery transmission direction, the distance adjusting slide rail is connected with a distance adjusting limiting mechanism, the distance adjusting limiting mechanism is arranged on the first transmission platform, and a battery transmission channel is formed in the distance adjusting limiting mechanism so as to guide the battery in the limiting transmission.

Preferably, the first transmission platform comprises a first transmission support, a first transmission roller and a transmission power assembly, wherein the first transmission support is horizontally arranged; the first transmission rollers comprise at least two rollers, and the first transmission rollers are rotatably arranged in the first transmission support;

the power transmission assembly comprises a first transmission motor, a first synchronous wheel and a first synchronous belt, wherein the first transmission motor is arranged on a first transmission support; the first synchronous wheels comprise at least two wheels, and the first synchronous wheels are sleeved at the end parts of the first transmission rollers; the first transmission motor is sleeved on the output shaft of the first transmission motor and the first synchronous wheel, the first transmission motor drives the first synchronous wheel to rotate through the first synchronous belt, and the first synchronous wheel drives the first transmission roller to rotate so as to transmit the battery forwards in a straight line.

Preferably, the pushing mechanism comprises a pushing motor, a pushing screw rod and a pushing block, wherein the pushing motor is arranged on the side of the first transmission platform; the pushing material screw rod is arranged along the battery transmission direction and is connected with the output end of the pushing material motor, and the pushing material block is arranged slidably along the battery transmission direction, is in threaded connection with the pushing material screw rod and extends to the upper part of the first transmission platform.

Preferably, the distance-adjusting limiting mechanism comprises a first distance-adjusting component and a second distance-adjusting component, the first distance-adjusting component and the second distance-adjusting component are arranged at intervals along the direction perpendicular to the battery transmission direction, a battery transmission channel is formed between the first distance-adjusting component and the second distance-adjusting component, and the width of the battery transmission channel is adjustable.

Preferably, the first distance adjusting assembly comprises a distance adjusting screw, a first distance adjusting slide seat and a first limit column, wherein the distance adjusting screw is rotatably arranged on the first transmission platform along a direction perpendicular to the battery transmission direction; the first distance adjusting slide seat is slidably arranged on the distance adjusting slide rail, is in threaded connection with the distance adjusting screw rod and is positioned below the first transmission roller, and the distance adjusting screw rod is rotated so as to control the first distance adjusting slide seat to slide along the distance adjusting slide rail; the first limiting columns comprise at least two first limiting columns, the at least two first limiting columns are arranged on the first distance adjusting slide base in parallel at intervals along the battery transmission direction, penetrate through a gap between every two adjacent first transmission rollers and extend upwards to the upper side of the first transmission rollers, and the upper ends of the first limiting columns are rotatably sleeved with first limiting wheels;

the second distance adjusting assembly comprises a distance adjusting motor, a second distance adjusting sliding seat and a second limiting column, wherein the distance adjusting motor is arranged at the bottom of the first transmission platform, and the output end of the distance adjusting motor is connected with a screw rod; the second distance adjusting slide seat is slidably arranged on the distance adjusting slide rail, is in threaded connection with a screw rod connected with the output end of the distance adjusting motor and is positioned below the first transmission roller; the second limiting columns comprise at least two second limiting columns, the at least two second limiting columns are arranged on the second distance adjusting slide base in parallel at intervals along the battery transmission direction, penetrate through the gap between every two adjacent first transmission rollers and extend upwards to the upper side of the first transmission rollers, and the upper ends of the second limiting columns are rotatably sleeved with second limiting wheels; the at least two second limiting wheels and the at least two first limiting wheels form two sides of the battery transmission channel.

Preferably, the film guide and laminating mechanism comprises a film coating and guide support, a film guide cylinder, a film guide support and a film guide roller, wherein the film guide support is erected on the first transmission platform; the film guide cylinder is vertically arranged on the side wall of the film guide bracket, and the output end of the film guide cylinder is arranged downwards; the film guide support is connected to the film guide bracket in a sliding manner along the vertical direction and is connected with the output end of the film guide cylinder; the film guide rollers comprise at least two film guide rollers which are arranged at the bottom of the film guide support at intervals in parallel and are rotatably connected with the film guide support, an upper film guide surface is formed on the bottom surfaces of the at least two film guide rollers, and after one end surface of the battery props against a blue film and passes through a gap formed between the upper film guide surface and the first transmission platform, the blue film is pressed on the upper side wall and the lower side wall of the battery by the upper film guide surface and the first transmission platform respectively.

Preferably, the film pulling mechanism comprises a film pulling support, a film guide roller and a film pulling assembly, wherein the film pulling support is vertically arranged between the first transmission platform and the second transmission platform; the film guide roller is arranged on the film drawing support, and the blue film guided out by the film placing mechanism is tensioned by the film guide roller; the film pulling assembly is arranged on the side wall, close to the first transmission platform, of the film pulling support and movably arranged in the vertical direction, the film pulling assembly fixes the blue film and vertically pulls the blue film downwards.

Preferably, the film drawing assembly comprises a film drawing motor, a film drawing transmission belt, a film drawing support and a film sucking column, wherein the film drawing motor is arranged on the film drawing support; the film drawing transmission belt is arranged in the vertical direction, two ends of the film drawing transmission belt are respectively connected with the film drawing support through rollers, and the film drawing transmission belt is connected with an output shaft of the film drawing motor; the film drawing support is connected to the side wall of the film drawing support in a sliding manner along the vertical direction and is connected with the film drawing transmission belt, and the film drawing transmission belt drives the film drawing support to move up and down; the middle part of the film drawing support is provided with an installation space, two sides of the installation space are respectively horizontally provided with two groups of film suction columns, and the outer wall of each film suction column is provided with at least two vacuum suction holes so as to adsorb and fix the blue film.

Preferably, the film guide roller comprises a first film guide roller and a second film guide roller, the first film guide roller and the second film guide roller are rotatably arranged on the film drawing support along the horizontal direction, the first film guide roller and the second film guide roller are arranged on the upper side and the lower side of the battery transmission channel in a staggered mode along the vertical direction, and the blue film alternately penetrates through the second film guide roller and the first film guide roller.

Preferably, the film drawing mechanism further comprises a film cutting assembly, wherein the film cutting assembly comprises a film cutting linear motor and a film cutting sheet, and the film cutting linear motor is horizontally arranged on the film drawing support; the film cutting sheet is connected to the output end of the film cutting linear motor and arranged towards the blue film direction, and the film cutting linear motor drives the film cutting sheet to cut off the blue film.

Preferably, the film pressing and laminating mechanism comprises a film pressing support plate, a film pressing cylinder and a film pressing plate, wherein the film pressing support plate is horizontally arranged at the top of the film pulling support and is positioned at one side close to the second conveying platform; the film pressing plate is connected to the side wall of the film pulling support in a sliding manner along the vertical direction, and the bottom of the film pressing plate is rotatably connected with at least two film pressing rollers; above-mentioned press mold cylinder is vertical to be set up on the press mold board, and the output sets up to be connected with the press mold board, on the power of press mold cylinder output to the press mold extension board, the reaction force drive press mold cylinder and the press mold board of press mold extension board descend.

The second transmission platform comprises a second transmission support and a second transmission roller, wherein the second transmission support is horizontally arranged; the second transmission rollers comprise at least two rollers and are rotatably arranged in the second transmission support;

the second transmission platform also comprises a second transmission motor, a second synchronous wheel and a second synchronous belt, wherein the second transmission motor is arranged on a second transmission support; the second synchronous wheels comprise at least two wheels, and the second synchronous wheels are sleeved at the end parts of the second conveying rollers; the second transmission belt is sleeved on an output shaft of the second transmission motor and the second synchronous wheel, the second transmission motor drives the second synchronous wheel to rotate through the second synchronous belt, and the second synchronous wheel drives the second transmission roller to rotate so as to transmit the battery forwards in a straight line;

the second transmission platform further comprises a battery blocking assembly, the battery blocking assembly comprises a battery blocking motor, a battery blocking screw rod and a battery blocking block, and the battery blocking motor is arranged at the tail end of the second transmission support along the battery transmission direction; the battery blocking screw rod is arranged along the transmission direction of the battery and is connected with the output end of the battery blocking motor; the battery blocking block is slidably arranged on the second transmission support along the battery transmission direction and is in threaded connection with the battery blocking screw rod.

Preferably, the battery conveying device further comprises a moving mechanism, the moving mechanism is arranged above the second conveying platform, the second conveying platform comprises a moving linear module, a moving lifting module and a moving suction seat, wherein the moving linear module is horizontally arranged above the second conveying platform along the battery conveying direction and extends to the outer side of the second conveying platform; the moving lifting module is connected to the output end of the moving linear module along the vertical direction; the moving suction seat is horizontally connected to the output end of the moving lifting module.

A process of a full-automatic battery coating device comprises the following process steps:

s1, battery feeding: feeding the battery to be coated from the last station to a first transmission platform, and linearly transmitting the battery to be coated through the first transmission platform;

s2, releasing the film: the strip-shaped film material is discharged through a material roll and is separated into a blue film and a protective film, the protective film is actively recycled through a material return roll, and the blue film vertically extends downwards after being tensioned and adjusted;

s3, film drawing: after the blue film vertically extending downwards in the step S2 is sucked and fixed by the film pulling mechanism, the blue film is pulled downwards, so that the blue film passes through the gap space between the first transmission platform and the second transmission platform and extends downwards;

s4, right side film: when the battery in the step S1 is linearly transmitted on the first transmission platform, the right end face abuts against the side wall of the blue film which vertically extends, and the blue film is attached to the right side wall of the battery;

s5, upper and lower side films: the right side wall of the battery in the step S4 pushes against the blue film and then continues to move linearly, the blue film is limited by the second transmission platform below and the film guide component above, and is gradually attached to the lower side wall and the upper side wall of the battery along with the linear movement of the battery;

s6, left side coating film: after the upper side wall and the lower side wall of the battery completely cover the battery through the blue film in the step S5, the battery continues to flow linearly, the film pressing mechanism descends from the upper part along the left side wall of the battery, and the outer edge of the blue film horizontally covering the upper side of the battery core is bent downwards to cover the left side face of the battery;

s7, absorbing the film and cutting: after the blue film is pulled out to the preset length in the process of coating in the steps S4-S6, the film pulling mechanism loosens the blue film which is adsorbed and fixed, moves upwards to suck the blue film on the upper part of the coating, and after the blue film with the preset length is cut off, the film pulling mechanism repeats the step S3 to pull down the blue film so as to coat the next electric core.

The invention has the beneficial effects that:

aiming at the defects and shortcomings in the prior art, the invention designs the full-automatic battery coating device and the full-automatic battery coating process, which realize automatic separation, cache and export of the blue film and the protective film, automatic film drawing and cutting, automatic battery transmission and adjustable and flexible spacing, realize the automatic import and coating of the blue film while ensuring the normal transmission of the battery, and effectively improve the coating efficiency and the coating position accuracy of the blue film of the battery. The invention is applied to the field of automatic blue film coating of lithium ion power batteries, has the function of realizing automatic blue film coating on the upper, lower, left and right side walls of the batteries, and integrally designs two parts, namely an upper blue film guiding part and a lower battery transmission coating part, based on the characteristics of blue film feeding and battery transmission. Specifically, the blue film exporting part is a film releasing mechanism which realizes automatic exporting of the wound strip-shaped blue film, automatic separation of the blue film from a surface protective film of the blue film in the process of exporting the blue film and blue film caching. The battery transmission coating part comprises a film pulling mechanism, a transmission module and a coating module, and the automatic pulling of the blue film guided out by the film releasing mechanism is realized through the film pulling mechanism so as to adapt to the length of the blue film required by battery coating and realize the automatic cutting of the blue film; the functions of automatic horizontal linear transmission of the battery, blue film pressing and covering of the right end wall of the battery, flexible guiding and limiting of the front and rear side walls of the battery in the horizontal transmission process and real-time adjustable functions of guiding and limiting intervals are realized through the transmission module; the guiding and limiting in the height direction of the site are realized through the coating module, and the automatic coating of the blue films on the upper side wall and the lower side wall and the automatic coating of the left end wall in the linear transmission process of the battery are realized.

The battery is linearly transmitted forwards on the transmission module, the linear transmission direction of the battery is the battery transmission direction, the size of the side edge of the battery along the battery transmission direction is the length of the battery, and the distance between the top surface of the battery and the bottom surface of the transmission module is the height of the battery; in order to ensure that the battery smoothly passes through, the distance between the coating module and the transmission module is larger than the height of the battery; in order to ensure that the bottom surface of the battery completely covers the blue film, the length of the blue film pulled out from the film placing mechanism by the film pulling mechanism needs to be not less than the length of the battery from the bottom of the blue film to a contact line between the transmission module and the bottom surface of the battery.

Specifically, the film placing mechanism is designed aiming at the automatic separation of the blue film from the surface protective film in the automatic blue film exporting process and the blue film caching problem; the film releasing mechanism integrally comprises a material roll, a tape dividing component, a protective film winding component and a blue film cache component, wherein a blue film tape with a protective film wound on the material roll is upwards led out and penetrates through a gap between a first tape dividing roller and a second tape dividing roller of the tape dividing component, a protective film attached to the surface of the blue film tape is connected to the winding roller of the protective film winding component around the first tape dividing roller, and the protective film is pulled out and wound when a winding motor drives the winding roller to rotate, so that the protective film is automatically wound; the blue film after being torn from the protective film extends to a buffer roller of the blue film buffer assembly around a second sub-belt roller, the blue film alternately winds to a tension roller of the discharge assembly after passing through the buffer roller and extends downwards, when a buffer sliding seat supporting the buffer roller moves downwards under the driving force of a buffer motor, the blue film is pulled out and buffered among the second sub-belt roller, the buffer roller and the tension roller, and when a lower film pulling mechanism needs to pull out the blue film, the buffer sliding seat drives the buffer roller to move upwards to gradually discharge the buffered blue film so as to adapt to the film pulling requirement. In addition, the protective film winding assembly is also provided with a tensioning adjusting roller between the first sub-band roller and the winding roller, the blue film penetrates through the tensioning adjusting roller and then is connected to the winding roller, and the tensioning adjusting roller slides in the vertical direction under the driving of the tensioning adjusting cylinder, so that the tension of the protective film can be adaptively adjusted in real time according to the tension change inside the blue film in the film pulling or caching process.

The transmission module comprises a first transmission platform and a second transmission platform which are arranged in parallel at intervals, wherein a battery of an upper station is horizontally transmitted to the first transmission platform and is horizontally and linearly transmitted to the second transmission platform through the first transmission platform; the film pulling mechanism is arranged in the gap space along the vertical direction, the blue film which is led out downwards by the film placing mechanism extends downwards vertically to the side of the film pulling mechanism, the film pulling mechanism is fixed and then the film pulling length is set in the industrial personal computer in advance after the film pulling mechanism is sucked and fixed. Meanwhile, the first transmission platform and the second transmission platform are provided with a film guide and laminating mechanism and a film pressing and laminating mechanism, a space is reserved between the film guide and laminating mechanism and the film pressing and laminating mechanism and the two transmission platforms, and the battery is linearly transmitted forwards through the space. Specifically, when the battery is conveyed on the first conveying platform, the right end face of the battery is firstly contacted with a blue film vertically pulled out by the film pulling mechanism and abuts against the blue film to enter a space between the film guiding and laminating mechanism and the first conveying platform, when the battery is continuously conveyed, the blue film below the conveying platform and above the battery is gradually bent from the vertical direction and is pressed and laminated on the lower side face and the upper side face of the battery by the second conveying platform and the film guiding and laminating mechanism, after the laminating of the upper side face and the lower side face of the battery is finished, the battery continuously moves to the film pressing and laminating mechanism, the film pressing and laminating mechanism gradually presses and covers the blue film in a horizontal state above the battery on the left side wall of the battery along the left side wall of the battery, and therefore the automatic coating of the upper side wall, the lower side wall and the left side wall of the battery by the banded blue film is realized.

The first transmission platform and the second transmission platform comprise an upper layer of horizontal support plane and a lower layer of horizontal support plane, a distance adjusting slide rail is arranged on the lower layer of support plane along the direction vertical to the transmission direction of the battery, and a first adjusting assembly and a second distance adjusting assembly are arranged on the distance adjusting slide rail at intervals; the supporting plane of the upper layer forms a bearing surface by a plurality of transmission rollers which are rotatably arranged in parallel at intervals, the end parts of the transmission rollers are connected with synchronous wheels, synchronous belts are sleeved on the output shafts of the synchronous wheels and the transmission motor, and the synchronous wheels are driven by the transmission motor to drive the transmission rollers to rotate so as to transmit batteries placed on the transmission rollers forwards in a straight line. The first distance adjusting component takes a first distance adjusting sliding seat as a bearing part, a plurality of first limiting columns are arranged on the first distance adjusting sliding seat at intervals in parallel along the transmission direction of a battery, the first limiting columns extend upwards to the upper part of the transmission rollers through a gap space between two adjacent transmission rollers, and the top of the first distance adjusting component is rotatably sleeved with a first limiting wheel; the first distance adjusting assembly takes the distance adjusting screw rod as a power part, the distance adjusting screw rod is connected with a limiting pushing seat in a threaded manner, the limiting pushing seat is flexibly connected with the first distance adjusting seat through a limiting spring, and when the distance adjusting screw rod is rotated, the distance adjusting screw rod drives the limiting pushing seat to drive the first distance adjusting slide seat and a first limiting column on the first distance adjusting slide seat to move linearly through the limiting spring so as to adjust the position of one side of the battery transmission channel. The second distance adjusting assembly takes a second distance adjusting seat as a bearing part, the same second distance adjusting seat can be connected to the distance adjusting spring in a sliding way, a plurality of second limiting columns are arranged on the second distance adjusting seat in parallel at intervals along the transmission direction of the battery, the second limiting columns extend upwards to the upper part of the transmission rollers through the gap space between two adjacent transmission rollers, and the top of the second limiting columns is rotatably sleeved with a second limiting wheel; the second distance adjusting assembly takes a distance adjusting motor as a power part, and the distance adjusting motor rotates through controlling the screw rod, so that the second distance adjusting seat in threaded connection with the screw rod is driven to linearly move along the width direction of the battery, and the position of the other side of the battery transmission channel is adjusted. The first distance adjusting assembly and the second distance adjusting assembly form a battery transmission channel with adjustable distance along the width direction of the battery in the linear transmission process of the battery, and two sides of the transmission channel are respectively in rolling contact with the front side wall and the rear side wall of the battery in transmission through the first limiting wheel and the second limiting wheel which are rotatably arranged, so that the surface of the battery can be effectively prevented from being scratched in the limiting process; in addition, the first distance adjusting sliding seat is flexibly connected with the limiting abutting and pushing seat through the limiting spring along the width direction of the battery, namely, one side of the formed battery transmission channel is of a flexible and adjustable structure, and the structural design can effectively avoid the damage to the surface of the battery caused by movement interference or collision in the transmission process. In addition, in order to ensure that the right side wall of the battery is abutted against the blue film and the reaction force of the blue film on the battery enables the transmission roller to lose efficacy in the process of linearly moving forwards for laminating, and the battery slips, the pushing assembly is further arranged at the end part of the first transmission platform, and the pushing assembly provides a pushing force for assisting the battery to linearly move forwards, so that the normal completion of laminating the battery is effectively ensured.

The film drawing mechanism takes a vertically arranged film drawing support as a bearing mechanism, a film guide roller is arranged on the film drawing support, the film guide roller comprises a first film guide roller and a second film guide roller which are arranged along the vertical direction, and a blue film vertically led out from a film placing mechanism sequentially passes through the second film guide roller and the first film guide roller and is tensioned; when the film drawing support arranged on the side wall of the film drawing support drives the film drawing transmission belt to move up and down through the film drawing motor, two groups of film suction columns horizontally arranged on two sides of the film drawing support are driven to move up and down along the vertical direction, and after the two groups of film suction columns tension the blue film on the side wall of the blue film through vacuum suction holes distributed on the surface to adsorb and fix the blue film, the blue film is pulled down to a preset height; the film cutting linear motor arranged on the film drawing rack drives the film cutting sheet to move from one side of the tensioned blue film to the other side to cut off the blue film, and the automatic drawing-out and cutting-off of the blue film are realized through the structure, so that the automatic coating of the blue film of the battery with automatic transmission is realized in an auxiliary manner.

Drawings

FIG. 1 is a schematic flow chart of the process steps of the present invention.

FIG. 2 is a schematic view of the film releasing process of the present invention.

FIG. 3 is a schematic view of the encapsulation process of the present invention.

Fig. 4 is a schematic perspective view of the present invention.

Fig. 5 is a schematic perspective view of the second embodiment of the present invention.

FIG. 6 is an enlarged view of the structure at I of FIG. 5 according to the present invention.

FIG. 7 is an enlarged view of FIG. 5 at II according to the present invention.

Fig. 8 is a schematic perspective view of the film releasing mechanism according to the present invention.

FIG. 9 is a second schematic perspective view of the film releasing mechanism of the present invention.

Fig. 10 is a schematic perspective view of the film drawing mechanism and the first conveying platform according to one embodiment of the present invention.

Fig. 11 is a second schematic perspective view of the film drawing mechanism and the first transfer platform according to the present invention.

Fig. 12 is a schematic perspective view of the first conveying platform, the adjusting mechanism and the film guiding and covering mechanism according to the present invention.

Fig. 13 is a second schematic perspective view of the first transfer platform, the adjusting mechanism and the film guiding and covering mechanism according to the present invention.

Fig. 14 is a third schematic perspective view of the first transfer platform, the adjusting mechanism and the film guiding and covering mechanism according to the present invention.

Fig. 15 is a schematic perspective view of an adjusting mechanism according to the present invention.

Fig. 16 is a schematic perspective view of the second adjusting mechanism of the present invention.

Fig. 17 is a third schematic perspective view of the adjusting mechanism of the present invention.

FIG. 18 is a fourth schematic perspective view of the adjusting mechanism of the present invention.

Detailed Description

The invention will be further described with reference to the accompanying drawings in which:

as shown in fig. 1 to 18, the technical solution adopted by the present invention is as follows: a full-automatic film coating device for a battery comprises a film placing mechanism, a film drawing mechanism, a transmission module and a film coating module, wherein the film placing mechanism and the film drawing mechanism are arranged at intervals in the vertical direction; the transmission module is horizontally arranged and comprises a first transmission platform and a second transmission platform which are arranged at intervals, and the battery to be coated is horizontally transmitted through the first transmission platform and the second transmission platform; the film drawing mechanism is arranged in a gap space between the first transmission platform and the second transmission platform; a blue film belt is wound in the film releasing mechanism, the blue film belt is separated from the protective film, extends to one side of the film drawing mechanism, is fixed by the film drawing mechanism and is drawn out to penetrate through the gap space; the coating module is arranged on one side of the transmission module, and the distance between the coating module and the transmission module is larger than the height of the battery; one end face of the battery props against the side part of the pulled blue film and enters a space between the film coating module and the transmission module, the blue film is respectively covered on two corresponding side walls of the battery by the transmission module and the film coating module, and the blue film is horizontally bent and coated on the other end face of the battery by the film coating module.

The film placing mechanism and the film drawing mechanism are arranged at intervals up and down, and the blue film separated from the protective film is led out vertically and downwards by the film placing mechanism; the film pulling mechanism is arranged on the first transmission platform, adsorbs and fixes the blue film from the side part and pulls down the film to pass through the gap space to extend downwards; the distance that the blue film passes through the gap space and extends downwards is greater than or equal to the length of the battery.

The film coating module comprises a film guiding and coating mechanism and a film pressing and coating mechanism which are arranged above the transmission module at intervals along the transmission direction of the battery.

The film releasing mechanism 2 comprises a material roll 22, a tape separating component, a protective film winding component and a blue film cache component, wherein a blue film tape with a protective film attached to one side is wound on the material roll 22; the belt separating component is arranged at the discharge end of the material roll 22; the protective film winding assembly and the blue film buffer assembly are respectively arranged at two sides of the tape separating assembly, the blue film tape led out from the material roll 22 is separated by the tape separating assembly and tensions the protective film and the blue film, wherein the protective film is connected with the protective film winding assembly and is wound by the protective film winding assembly; the blue film is connected with the blue film cache component and is pulled out of the cache through the blue film cache component.

The material roll 22 is rotatably arranged on the side wall of the film placing rack 21; the belt separating component is arranged above the material roll 22 and comprises a first belt separating roller 23 and a second belt separating roller 24 which are rotatably arranged on the side wall of the film placing rack 21, a blue film belt led out from the material roll 22 passes through a gap between the first belt separating roller 23 and the second belt separating roller 24, a protective film of the blue film belt is tensioned by the first belt separating roller 23, and the blue film is tensioned by the second belt separating roller 24.

The protective film winding assembly comprises a winding motor 25, a winding roller 26, a tensioning adjusting cylinder 27 and a tensioning adjusting roller 28, wherein the winding motor 25 is arranged on the film placing rack 21; the winding roller 26 is rotatably arranged on the side wall of the film placing rack 21 and is connected with the output end of the winding motor 25, and the winding motor 25 drives the winding roller 26 to rotate; the tail end of the protective film is fixedly connected to the winding roller 26, and the protective film is pulled out and wound by the rotation of the winding roller 26;

the tensioning adjusting cylinder 27 is arranged between the first sub-belt roller 23 and the winding roller 26 and movably connected with the film releasing rack 21, the tensioning adjusting cylinder 27 outputs power to the film releasing rack 21, and the reaction force of the film releasing rack 21 pushes the tensioning adjusting cylinder 27 to move; the tension adjusting roller 28 is rotatably arranged on the tension adjusting cylinder 27, and the protective film led out by the first sub-belt roller 23 is connected to the winding roller 26 after being tensioned by the tension adjusting roller 28.

The blue film buffer memory component comprises a buffer motor 29, a buffer sliding seat 210, a buffer roller 211 and a lead-out component, wherein the buffer motor 29 is arranged on the film placing rack 21, and the output end of the buffer motor 29 is connected with a screw rod; the buffer slide seat 210 is slidably connected to the side wall of the film placing rack 21 and is in threaded connection with the lead screw, and the buffer motor 29 drives the buffer slide seat 210 to linearly slide by driving the lead screw to rotate; the buffer roller 211 is rotatably disposed on the buffer slide 210;

the guiding-out component comprises at least two tensioning rollers which are arranged on the side wall of the film placing rack 21 at intervals and can rotate; the blue film led out by the second sub-belt roller 24 alternately passes through the buffer roller 211 and the tension roller, when the buffer roller 211 slides along with the buffer sliding seat 210, the blue film is pulled out and buffered between the second sub-belt roller 24 and the tension roller, and the tail end of the blue film is led out downwards by the tension roller.

A material pushing mechanism 34 is arranged on one side of the first transmission platform 30, and the battery on the first transmission platform 30 is pushed linearly by the material pushing mechanism 34;

the first transmission platform 30 is provided with a distance adjusting slide rail 303 along the direction perpendicular to the battery transmission direction, the distance adjusting slide rail 303 is connected with a distance adjusting limiting mechanism, the distance adjusting limiting mechanism is arranged on the first transmission platform 30, and a battery transmission channel is formed in the distance adjusting limiting mechanism so as to guide the battery in the limiting transmission.

The first transmission platform 30 comprises a first transmission support 301, a first transmission roller 302 and a power transmission component, wherein the first transmission support 301 is horizontally arranged; the first conveying rollers 302 comprise at least two, and the first conveying rollers 302 are rotatably arranged in the first conveying support 301;

the power transmission assembly comprises a first transmission motor, a first synchronous wheel and a first synchronous belt, wherein the first transmission motor is arranged on the first transmission support 301; the first synchronous wheels comprise at least two, and the first synchronous wheels are sleeved at the end parts of the first transmission rollers 302; the first transmission belt is sleeved on an output shaft of the first transmission motor and the first synchronous wheel, the first transmission motor drives the first synchronous wheel to rotate through the first synchronous belt, and the first synchronous wheel drives the first transmission roller 302 to rotate so as to transmit the battery forwards in a straight line.

The pushing mechanism 34 includes a pushing motor 341, a pushing screw 342, and a pushing block 343, wherein the pushing motor 341 is disposed at a side of the first transmission platform 30; the pushing screw rod (342) is arranged along the battery transmission direction and connected with the output end of the pushing motor 341, and the pushing block 343 is slidably arranged along the battery transmission direction, is in threaded connection with the pushing screw rod 342, and extends to the upper part of the first transmission platform 30.

The distance-adjusting limiting mechanism comprises a first distance-adjusting component 32 and a second distance-adjusting component 33, the first distance-adjusting component 32 and the second distance-adjusting component 33 are arranged at intervals along the direction perpendicular to the battery transmission direction, a battery transmission channel is formed between the first distance-adjusting component 32 and the second distance-adjusting component 33, and the width of the battery transmission channel is adjustable.

The first distance adjusting assembly 32 includes a distance adjusting screw 321, a first distance adjusting slide 322 and a first limit column 323, wherein the distance adjusting screw 321 is rotatably disposed on the first transmission platform 30 along a direction perpendicular to the battery transmission direction; the first distance adjusting slide seat 322 is slidably disposed on the distance adjusting slide rail 303, is in threaded connection with the distance adjusting screw 321, is located below the first transmission roller 302, and rotates the distance adjusting screw 321 to control the first distance adjusting slide seat 322 to slide along the distance adjusting slide rail 303; the first limiting columns 323 comprise at least two, the at least two first limiting columns 323 are arranged on the first distance-adjusting slide base 322 in parallel at intervals along the battery transmission direction, penetrate through the gap between two adjacent first transmission rollers 302 and extend upwards to the upper part of the first transmission rollers 302, and the upper ends of the first limiting columns 323 are rotatably sleeved with first limiting wheels; the first transmission platform 30 further includes a limiting pushing seat 304 and a limiting spring 305, wherein the limiting pushing seat 304 is slidably embedded on the distance-adjusting slide rail 303, is connected to the outer side of the first distance-adjusting slide seat 322, and is flexibly connected to the first distance-adjusting slide seat 322 through the limiting spring 305, and the elastic force of the limiting spring 305 pushes the first distance-adjusting slide seat 322 towards the battery channel direction; the limit pushing seat 304 is in threaded connection with the distance adjusting screw 321.

The second distance adjusting assembly 33 comprises a distance adjusting motor 331, a second distance adjusting slide seat 332 and a second limit column 333, wherein the distance adjusting motor 331 is arranged at the bottom of the first transmission platform 30, and the output end of the distance adjusting motor is connected with a screw rod; the second distance-adjusting slide carriage 332 is slidably disposed on the distance-adjusting slide rail 303, is in threaded connection with a screw rod connected to the output end of the distance-adjusting motor 331, and is located below the first transmission roller 302; the second limiting columns 333 comprise at least two, the at least two second limiting columns 333 are arranged on the second distance-adjusting slide carriage 332 in parallel at intervals along the battery transmission direction, penetrate through the gap between two adjacent first transmission rollers 302 and extend upwards to the upper part of the first transmission rollers 302, and the upper ends of the second limiting columns 333 are rotatably sleeved with second limiting wheels; the at least two second limiting wheels and the at least two first limiting wheels form two sides of the battery transmission channel.

The film guiding and laminating mechanism 35 comprises a film guiding and supporting frame 351, a film guiding cylinder 352, a film guiding supporting seat 353 and a film guiding roller 354, wherein the film guiding and supporting frame 351 is arranged on the first transmission platform 30; the film guide cylinder 352 is vertically arranged on the side wall of the film guide bracket 351, and the output end of the film guide cylinder is arranged downwards; the film guide support 353 is slidably connected to the film guide support 351 in the vertical direction and is connected to the output end of the film guide cylinder 352; the film guide rollers 354 include at least two, the at least two film guide rollers 354 are arranged at the bottom of the film guide support 353 in parallel at intervals and rotatably connected with the film guide support 353, an upper film guide surface is formed on the bottom surfaces of the at least two film guide rollers 354, after one end surface of the cell abuts against the blue film and passes through a gap formed between the upper film guide surface and the first transmission platform 30, the blue film is pressed on the upper side wall and the lower side wall of the cell by the upper film guide surface and the first transmission platform 30 respectively.

The film pulling mechanism 31 comprises a film pulling support 311, a film guide roller and a film pulling assembly, wherein the film pulling support 311 is vertically arranged between the first transmission platform 30 and the second transmission platform 36; the film guide roller is arranged on the film drawing support 311, and the blue film guided out by the film placing mechanism 2 is tensioned by the film guide roller; the film pulling assembly is arranged on the side wall of the film pulling support 311 close to the first transmission platform 30 and is movably arranged in the vertical direction, the film pulling assembly fixes the blue film and pulls the blue film vertically.

The film drawing component comprises a film drawing motor 312, a film drawing transmission belt 313, a film drawing support 314 and a film sucking column 315, wherein the film drawing motor 312 is arranged on the film drawing support 311; the film drawing transmission belt 313 is arranged along the vertical direction, two ends of the film drawing transmission belt 313 are respectively connected with the film drawing support 311 through rollers, and the film drawing transmission belt 313 is connected with an output shaft of the film drawing motor 312; the film drawing support 314 is connected to the side wall of the film drawing support 311 in a slidable manner in the vertical direction and is connected with the film drawing transmission belt 313, and the film drawing transmission belt 313 drives the film drawing support 314 to move up and down; the middle part of the film drawing support 314 is provided with an installation space, two sides of the installation space are respectively horizontally provided with two groups of film absorption columns 315, and the outer wall of each film absorption column 315 is provided with at least two vacuum absorption holes so as to adsorb and fix the blue film.

The film guide rollers comprise a first film guide roller 316 and a second film guide roller 317, the first film guide roller 316 and the second film guide roller 317 are rotatably arranged on the film drawing support 311 along the horizontal direction, the first film guide roller 316 and the second film guide roller 317 are arranged on the upper side and the lower side of the battery transmission channel in a staggered mode along the vertical direction, and blue films alternately pass through the second film guide roller 317 and the first film guide roller 316.

The film drawing mechanism 31 further comprises a film cutting assembly, the film cutting assembly comprises a film cutting linear motor 318 and a film cutting piece 319, wherein the film cutting linear motor 318 is horizontally arranged on the film drawing support 311; the cutting sheet 319 is connected to an output end of the cutting linear motor 318 and is provided in the blue film direction, and the cutting linear motor 318 drives the cutting sheet 319 to cut the blue film.

The film pressing and laminating mechanism 37 comprises a film pressing support plate 371, a film pressing cylinder 372 and a film pressing plate 373, wherein the film pressing support plate 371 is horizontally arranged at the top of the film pulling support 311 and is positioned at one side close to the second conveying platform 36; the film pressing plate 373 is slidably connected to the sidewall of the film pulling support 311 in the vertical direction, and the bottom of the film pressing plate 373 is rotatably connected with at least two film pressing rollers; above-mentioned press mold cylinder 372 is vertical to be set up on press mold plate 373, and the output sets up to be connected with press mold plate 373, press mold cylinder 372 output power to press mold extension board 371 on, press mold extension board 371's reaction force drive press mold cylinder 372 and press mold plate 373 descend.

The second conveying platform 36 includes a second conveying support 361 and a second conveying roller, wherein the second conveying support 361 is horizontally arranged; the second transmission rollers comprise at least two, and the second transmission rollers are rotatably arranged in the second transmission support 361;

the second transmission platform 36 further includes a second transmission motor 362, a second synchronous wheel 363 and a second synchronous belt, wherein the second transmission motor 362 is disposed on a second transmission support 361; the number of the second synchronizing wheels 363 is at least two, and the second synchronizing wheels 363 are sleeved at the end parts of the second transmission rollers; the second transmission belt is sleeved on an output shaft of the second transmission motor 362 and the second synchronous wheel 363, the second transmission motor 362 drives the second synchronous wheel 363 to rotate through the second synchronous belt, and the second synchronous wheel drives the second transmission roller to rotate so as to transmit the battery forwards in a straight line;

the second transmission platform 36 further comprises a battery blocking assembly, which comprises a battery blocking motor 364, a battery blocking screw 365 and a battery blocking block 366, wherein the battery blocking motor 364 is disposed at the end of the second transmission support 361 along the battery transmission direction; the battery blocking screw 365 is arranged along the battery transmission direction and connected with the output end of the battery blocking motor 364; the battery stopper 366 is slidably disposed on the second transfer holder 361 in the battery transfer direction and is threadedly coupled to the battery stopper screw 365.

The battery transfer device further comprises a moving mechanism 38, wherein the moving mechanism 38 is disposed above the second transmission platform 36, the moving mechanism 38 comprises a moving linear module 381, a moving lifting module 382 and a moving suction seat 383, wherein the moving linear module 381 is horizontally disposed above the second transmission platform 36 along the battery transmission direction and extends to the outer side of the second transmission platform 36; the moving and lifting module 382 is connected to the output end of the moving linear module 381 along the vertical direction; the transfer suction base 383 is horizontally connected to the output end of the transfer lift module 382.

Furthermore, the invention designs a full-automatic battery coating device and a full-automatic battery coating process, which realize automatic separation, cache and export of the blue film and the protective film, automatic film pulling and cutting, automatic battery transmission and adjustable and flexible spacing, realize automatic blue film leading-in and coating while ensuring normal battery transmission, and effectively improve the coating efficiency and the coating position accuracy of the blue film of the battery. The invention is applied to the field of automatic blue film coating of lithium ion power batteries, has the function of realizing automatic blue film coating on the upper, lower, left and right side walls of the batteries, and integrally designs two parts, namely an upper blue film guiding part and a lower battery transmission coating part, based on the characteristics of blue film feeding and battery transmission. Specifically, the blue film exporting part is a film releasing mechanism which realizes automatic exporting of the wound strip-shaped blue film, automatic separation of the blue film from a surface protective film of the blue film in the process of exporting the blue film and blue film caching. The battery transmission coating part comprises a film pulling mechanism, a transmission module and a coating module, and the automatic pulling of the blue film guided out by the film releasing mechanism is realized through the film pulling mechanism so as to adapt to the length of the blue film required by battery coating and realize the automatic cutting of the blue film; the functions of automatic horizontal linear transmission of the battery, blue film pressing and covering of the right end wall of the battery, flexible guiding and limiting of the front and rear side walls of the battery in the horizontal transmission process and real-time adjustable functions of guiding and limiting intervals are realized through the transmission module; the guiding and limiting in the height direction of the site are realized through the coating module, and the automatic coating of the blue films on the upper side wall and the lower side wall and the automatic coating of the left end wall in the linear transmission process of the battery are realized.

The embodiments of the present invention are merely illustrative of specific embodiments thereof, and are not intended to limit the scope thereof. Since the present invention can be modified by a person skilled in the art, the present invention is not limited to the embodiments described above.

Claims

1. The utility model provides a full-automatic diolame device of battery which characterized in that: the film coating device comprises a film placing mechanism, a film pulling mechanism, a transmission module and a film coating module;

the film placing mechanism and the film pulling mechanism are arranged at intervals along the vertical direction; the transmission module is horizontally arranged and comprises a first transmission platform and a second transmission platform which are arranged at intervals, and the battery to be coated is horizontally transmitted through the first transmission platform and the second transmission platform; the film drawing mechanism is arranged in a gap space between the first transmission platform and the second transmission platform;

a blue film belt is wound in the film releasing mechanism, and the blue film belt is fixed by the film pulling mechanism and pulled out to penetrate through the gap space; the coating module is arranged on one side of the transmission module, and the distance between the coating module and the transmission module is larger than the height of the battery;

one end face of the battery props against the side part of the pulled blue film and enters a space between the film coating module and the transmission module, the blue film is respectively covered on two corresponding side walls of the battery by the transmission module and the film coating module, and the blue film is horizontally bent and coated on the other end face of the battery by the film coating module.

2. The full-automatic battery enveloping device of claim 1, wherein: the film placing mechanism and the film drawing mechanism are arranged at intervals up and down, and the film placing mechanism is used for vertically and downwards guiding out the blue film; the film pulling mechanism is arranged below the film placing mechanism, adsorbs and fixes the blue film from the side part and pulls down the film to pass through the gap space to extend downwards; the distance that blue membrane under the aforesaid film drawing mechanism draws extends downwards from first transmission platform surface through clearance space is greater than or equal to the length of battery.

3. The full-automatic battery enveloping device of claim 1, wherein: and the blue film belt in the film placing mechanism is led out to one side of the film pulling mechanism after the protective film is separated.

4. The full-automatic battery enveloping device of claim 1, wherein: the film coating module comprises a film guiding and coating mechanism and a film pressing and coating mechanism which are arranged above the transmission module at intervals along the transmission direction of the battery.

5. The full-automatic battery enveloping device of claim 1, wherein: the film releasing mechanism (2) comprises a material roll (22), a tape separating component, a protective film winding component and a blue film caching component, wherein a blue film tape with one side attached with a protective film is wound on the material roll (22); the belt dividing assembly is arranged at the discharge end of the material roll (22); the protective film winding assembly and the blue film buffer assembly are respectively arranged at two sides of the tape dividing assembly, a blue film tape led out of the material roll (22) is separated by the tape dividing assembly and tensions the protective film and the blue film, and the protective film is connected with the protective film winding assembly and wound by the protective film winding assembly; the blue film is connected with the blue film cache component and is pulled out of the cache through the blue film cache component.

6. The full-automatic battery enveloping device of claim 1, wherein: the first transmission platform (30) comprises a first transmission support (301), a first transmission roller (302) and a transmission power assembly, wherein the first transmission support (301) is horizontally arranged; the first transmission rollers (302) comprise at least two, and the first transmission rollers (302) are rotatably arranged in the first transmission support (301);

the power transmission assembly comprises a first transmission motor, a first synchronous wheel and a first synchronous belt, wherein the first transmission motor is arranged on a first transmission support (301); the first synchronous wheels comprise at least two, and the first synchronous wheels are sleeved at the end parts of the first transmission rollers (302); the first transmission motor is sleeved on the output shaft of the first transmission motor and the first synchronous wheel, the first transmission motor drives the first synchronous wheel to rotate through the first synchronous belt, and the first synchronous wheel drives the first transmission roller (302) to rotate so as to transmit the battery forwards in a straight line.

7. The full-automatic battery enveloping device of claim 1, wherein: be equipped with roll adjustment slide rail (303) along perpendicular to battery transmission direction on first transmission platform (30), be connected with roll adjustment stop gear on roll adjustment slide rail (303), roll adjustment stop gear is on first transmission platform (30), form battery transmission channel in the roll adjustment stop gear, so that the battery roll adjustment stop gear in the guide spacing transmission includes first roll adjustment subassembly (32) and second roll adjustment subassembly (33), first roll adjustment subassembly (32) and second roll adjustment subassembly (33) set up along perpendicular to battery transmission direction interval, form battery transmission channel between the two, and battery transmission channel's width is adjustable.

8. The full-automatic battery enveloping device of claim 7, wherein: the first distance adjusting assembly (32) comprises a distance adjusting screw rod (321), a first distance adjusting sliding seat (322) and a first limiting column (323), wherein the distance adjusting screw rod (321) is rotatably arranged on the first transmission platform (30) along the direction perpendicular to the battery transmission direction; the first distance adjusting sliding seat (322) is slidably arranged on the distance adjusting sliding rail (303), is in threaded connection with the distance adjusting screw rod (321), is positioned below the first transmission roller (302), and rotates the distance adjusting screw rod (321) so as to control the first distance adjusting sliding seat (322) to slide along the distance adjusting sliding rail (303); the first limiting columns (323) comprise at least two, the at least two first limiting columns (323) are arranged on the first distance adjusting sliding base (322) in parallel at intervals along the battery transmission direction and penetrate through the gap between every two adjacent first transmission rollers (302) to extend upwards to the position above the first transmission rollers (302), and the upper ends of the first limiting columns (323) are rotatably sleeved with first limiting wheels.

9. The full-automatic battery enveloping device of claim 7, wherein: the second distance adjusting component (33) comprises a distance adjusting motor (331), a second distance adjusting slide seat (332) and a second limiting column (333), wherein the distance adjusting motor (331) is arranged at the bottom of the first transmission platform (30), and the output end of the distance adjusting motor is connected with a screw rod; the second distance adjusting slide seat (332) is slidably arranged on the distance adjusting slide rail (303), is in threaded connection with a screw rod connected with the output end of the distance adjusting motor (331), and is positioned below the first transmission roller (302); the second limiting columns (333) comprise at least two, the at least two second limiting columns (333) are arranged on the second distance adjusting sliding base (332) in parallel at intervals along the battery transmission direction, penetrate through a gap between every two adjacent first transmission rollers (302) and extend upwards to the position above the first transmission rollers (302), and second limiting wheels are rotatably sleeved at the upper ends of the second limiting columns (333); the at least two second limiting wheels and the at least two first limiting wheels form two sides of the battery transmission channel.

10. The full-automatic battery enveloping device of claim 4, wherein: the film guide and laminating mechanism (35) comprises a film wrapping and guide support (351), a film guide cylinder (352), a film guide support (353) and a film guide roller (354), wherein the film guide support (351) is erected on the first transmission platform (30); the film guide cylinder (352) is vertically arranged on the side wall of the film guide bracket (351), and the output end of the film guide cylinder is arranged downwards; the film guide support (353) is connected to the film guide support (351) in a sliding manner along the vertical direction and is connected with the output end of the film guide cylinder (352); the film guide rollers (354) comprise at least two film guide rollers (354), the at least two film guide rollers (354) are arranged at the bottom of the film guide support (353) in parallel at intervals and are rotatably connected with the film guide support (353), an upper film guide surface is formed on the bottom surfaces of the at least two film guide rollers (354), after one end surface of the cell props against a blue film, when the cell passes through a gap formed between the upper film guide surface and the first transmission platform (30), the upper film guide surface and the first transmission platform (30) respectively press the blue film on the upper side wall and the lower side wall of the cell.

11. The full-automatic battery enveloping device of claim 4, wherein: the film pulling mechanism (31) comprises a film pulling support (311), a film guide roller and a film pulling assembly, wherein the film pulling support (311) is vertically arranged between the first transmission platform (30) and the second transmission platform (36); the film guide roller is arranged on the film drawing support (311), and the blue film guided out by the film placing mechanism (2) is tensioned by the film guide roller; the film pulling assembly is arranged on the side wall, close to the first transmission platform (30), of the film pulling support (311), and is movably arranged in the vertical direction, the film pulling assembly fixes the blue film, and the blue film is pulled down vertically.

12. The full-automatic battery enveloping device of claim 11, wherein: the film drawing mechanism (31) further comprises a film cutting assembly, the film cutting assembly comprises a film cutting linear motor (318) and a film cutting sheet (319), and the film cutting linear motor (318) is horizontally arranged on the film drawing support (311); the cutting piece (319) is connected to the output end of the cutting linear motor (318) and is arranged towards the blue film direction, and the cutting linear motor (318) drives the cutting piece (319) to cut the blue film.

13. The full-automatic battery enveloping device of claim 11, wherein: the film pressing and laminating mechanism (37) comprises a film pressing support plate (371), a film pressing cylinder (372) and a film pressing plate (373), wherein the film pressing support plate (371) is horizontally arranged at the top of the film pulling support (311) and is positioned at one side close to the second transmission platform (36); the film pressing plate (373) is connected to the side wall of the film pulling bracket (311) in a sliding manner along the vertical direction, and the bottom of the film pressing plate (373) is rotatably connected with at least two film pressing rollers; above-mentioned press mold cylinder (372) are vertical to be set up on press mold board (373), and the output sets up to be connected with press mold board (373), the power of press mold cylinder (372) output is to press mold extension board (371) on, the reaction force drive press mold cylinder (372) and press mold board (373) of press mold extension board (371) descend.

14. The full-automatic battery enveloping device of claim 1, wherein: the second transmission platform (36) comprises a second transmission support (361) and a second transmission roller, wherein the second transmission support (361) is horizontally arranged; the second transmission rollers comprise at least two, and the second transmission rollers are rotatably arranged in the second transmission support (361).

15. The process of the full-automatic battery enveloping device of any one of claims 1 to 14, comprising the following process steps:

s6, left side coating film: after the upper side wall and the lower side wall of the battery completely cover the battery through the blue film in the step S5, the battery continues to flow linearly, the film pressing mechanism descends from the upper side against the left side wall of the battery, and the outer edge of the blue film horizontally covering the upper side of the battery core is bent downwards to cover the left side face of the battery.

16. The process of the full-automatic battery enveloping device of claim 15, wherein: and the process also comprises a film sucking and cutting process, wherein after the blue film is pulled out to a preset length in the process of coating in the steps S4 to S6, the film pulling mechanism loosens the blue film sucked and fixed, moves upwards to suck the blue film on the upper part of the coating, and after the blue film with the preset length is cut off, the film pulling mechanism repeats the step S3 to pull down the blue film so as to coat the next cell.