CN216971188U

CN216971188U - Compound pole piece film coating mechanism

Info

Publication number: CN216971188U
Application number: CN202220543365.9U
Authority: CN
Inventors: 叶炜彬; 王超; 朱如达; 冼志锋; 詹刚; 蔡步升; 冯富敏; 褚文立
Original assignee: Guangdong Dongbo Automatic Equipments Co ltd
Current assignee: Guangdong Dongbo Intelligent Equipment Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-07-15
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses a composite pole piece film coating mechanism which comprises a machine table, wherein a film coating mechanism and a four-station rotary table are arranged on the machine table, four stations on the four-station rotary table are respectively a film coating station, a thermal compounding station, a laser film cutting station and a feeding and discharging station, multi-station carriers are arranged on the film coating station, the thermal compounding station, the laser film cutting station and the feeding and discharging station, and after the film coating mechanism finishes the film coating of a pole piece, the film coating mechanism sequentially rotates and conveys the film coating mechanism to the thermal compounding station, the laser film cutting station and the feeding and discharging station through the four-station rotary table. The utility model integrates coating, thermal compounding and laser cutting. The switching and conveying of each station are realized by utilizing the rotation of the four-station turntable, and the work of automatic film coating, thermal compounding, laser cutting and the like is achieved. The membrane covers the upper surface of the pole piece by using the overturning action of the membrane covering plate during membrane covering, the membrane covering efficiency is improved by simultaneously covering a plurality of pole pieces, the coated pole pieces can be directly laminated without covering the membrane, and the complex step of covering the membrane during pole piece lamination is omitted.

Description

Compound pole piece diolame mechanism

Technical Field

The utility model relates to the field of battery core manufacturing, in particular to a composite pole piece film coating mechanism.

Background

The positive plate, the diaphragm and the negative plate in the polymer lithium battery are overlapped, and the electrode plates are thinner; at present, the pole pieces are overlapped by means of a manipulator, so that the pole pieces need to be absorbed by the manipulator and then overlapped. Before the pole pieces are stacked, partial pole pieces need to be subjected to film coating and electricity isolation treatment, the existing pole piece film coating is single-piece film coating operation, and the phenomena of failure and the like easily occur in pole piece feeding induction, so that the film coating efficiency is low and the cost is high.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a composite pole piece film coating mechanism.

The purpose of the utility model is realized by the following technical scheme: the utility model provides a compound pole piece diolame mechanism, includes the board, be equipped with diolame mechanism and quadruplex position carousel on the board, four stations on the quadruplex position carousel are diolame station, hot compound station, laser film cutting station and go up the unloading station respectively, all be equipped with the multistation carrier on diolame station, hot compound station, laser film cutting station and the last unloading station, after the diolame mechanism accomplishes the pole piece diolame, pass through the quadruplex position carousel rotates in proper order and carries to hot compound station, laser film cutting station and go up the unloading station. The film coating mechanism adopts a mode of feeding a plurality of pole pieces, and the buffer force of the spring buffer block is utilized to enable the plurality of pole pieces to be sucked by the material taking plate when rising, so that the arrangement of an inductor is omitted, and the phenomena of failure of the induction pole pieces and the like are avoided.

The machine station is provided with a laser cutting machine corresponding to the laser film cutting station, and the laser cutting machine cuts and separates a plurality of coated and thermally compounded pole pieces. Each multi-station carrier is controlled by a cylinder to move back and forth, the rotary table rotates one station at a time, and the cylinders drive the multi-station carriers to move forward to the machining stations.

As an improvement of the composite pole piece film coating mechanism of the utility model, the film coating mechanism comprises a pole piece feeding clamp, a pre-compounding platform, a pre-compounding pressing plate mechanism, a film unreeling mechanism, a film drawing mechanism and a film cutting mechanism, the pole piece feeding clamp simultaneously jacks a plurality of pole pieces for feeding, the pre-composite pressing plate mechanism moves to the position right above the pole piece feeding clamp to take a plurality of pole pieces, the membrane pulling mechanism pulls out the membrane of the membrane unreeling mechanism to lay the membrane on the pre-compounding platform, the pre-compounding pressure plate mechanism drives a plurality of pole pieces to move right above the pre-compounding platform and press the pole pieces on the diaphragm, the membrane cutting mechanism cuts the membrane in a fixed length mode, a membrane covering plate capable of being covered on the pre-compounding platform in a turnover mode is arranged on one side of the pre-compounding platform, and the membrane covering plate drives the membrane to cover the upper surfaces of the multiple pole pieces in a turnover mode. And when the film is coated at a working position, the air cylinder pushes the multi-station carrier to move forwards to the pre-compounding platform, the diaphragm covers the multi-station carrier, and then the pole piece is placed.

The pole piece feeding clamp comprises a jacking support, a pole piece positioning clamp is arranged at the upper end of the jacking support, a jacking motor mounting plate is arranged in the middle of the jacking support, a jacking motor is arranged on the jacking motor mounting plate and connected with a jacking bottom plate through a lead screw, a plurality of jacking rods are arranged on the jacking bottom plate at intervals, a plurality of pole piece positioning grooves are arranged on the pole piece positioning clamp at intervals, a material supporting plate is arranged in each pole piece positioning groove, and each jacking rod corresponds to one pole piece positioning groove.

As an improvement of the composite pole piece film coating mechanism, a spring buffer block is arranged in each jacking rod and abuts against the bottom of the material supporting plate, and when the jacking rods ascend, the material supporting plate is driven to ascend along the pole piece positioning grooves.

The pre-composite pressing plate mechanism comprises a servo driving module and a lifting mechanism, wherein the lifting mechanism controls a pre-composite pressing plate to lift, the servo driving module controls the lifting mechanism to move left and right, a material taking plate is arranged on the pre-composite pressing plate, and a plurality of vacuum adsorption holes are formed in the material taking plate;

the servo driving module controls the lifting mechanism to move right above the pole piece feeding clamp, the lifting mechanism controls the pre-composite pressing plate to absorb the pole pieces, and after the pre-composite pressing plate absorbs the pole pieces, the servo driving module controls the lifting mechanism to move to the position of the pre-composite platform and place the pole pieces on a diaphragm of the pre-composite platform.

When the pre-composite pressing plate is pressed down on the pole piece positioning clamp, the jacking rod rises to abut against the pole piece on the pole piece positioning groove to rise, so that the uppermost pole piece is contacted with the material taking plate, and a vacuum adsorption hole in the material taking plate is provided with a vacuum adsorption pole piece;

when the pole pieces are sucked by the material taking plate, the pole pieces on each pole piece positioning groove need to be in contact with the material taking plate, and when the pole pieces on the pole piece positioning grooves do not contact the material taking plate, the jacking motor continues to push the jacking rod to ascend.

The film drawing mechanism comprises a film drawing servo drive and a film drawing clamp, the film drawing servo drive can drive the film drawing clamp to move left and right, the film drawing servo drive controls the film drawing clamp to move to a position for taking a diaphragm, the film drawing clamp acts to clamp the diaphragm, and the film drawing servo drive controls the film drawing clamp to move to the other direction so as to draw the diaphragm to a set length.

As an improvement of the composite pole piece film coating mechanism, the film cutting mechanism is arranged at a film taking position and comprises a film cutting cylinder and a film cutting base plate, a cutter is arranged at the piston rod end of the film cutting cylinder, a cutter hole is formed in the film cutting base plate, and when the film cutting mechanism is used for cutting a film, the cutter is aligned to the position of the cutter hole to cut the film downwards.

The film unwinding mechanism comprises an unwinding support, wherein an unwinding servo motor is arranged on the unwinding support, and the unwinding servo motor controls a winding disc to rotate;

still be equipped with the diaphragm on the support and rectify the ware, the diaphragm rectifies the ware and includes regulating block mounting panel and inductor mounting panel, be equipped with accommodate the lead screw and lead screw mounting panel on the regulating block mounting panel, accommodate the lead screw's one end is worn to establish on the lead screw mounting panel, one side of lead screw mounting panel is equipped with the locking handle, be equipped with the regulating block on the accommodate the lead screw, be equipped with two inductors on the inductor mounting panel, the diaphragm is worn to establish in proper order the inductor with on the regulating block.

The utility model has the beneficial effects that: the utility model integrates coating, thermal compounding and laser cutting. The switching and conveying of each station are realized by utilizing the rotation of the four-station turntable, and the work of automatic film coating, thermal compounding, laser cutting and the like is achieved. The utility model also adopts a mode of coating a plurality of pole pieces simultaneously, the pole piece feeding clamp adopts a mode of the spring buffer block to simultaneously push feeding, an inductor is not used for sensing the pole pieces during feeding, the vacuum adsorption pole pieces are opened through the vacuum adsorption holes on the material taking plate during taking the pole pieces, and because a plurality of pole pieces are stacked in each pole piece positioning groove, the jacking motor can utilize the buffer action of the spring buffer block to ensure that the pole pieces in each pole piece positioning groove can be taken by the material taking plate when pushing the pole pieces to move upwards.

Drawings

FIG. 1 is a top view of the present invention;

FIG. 2 is a perspective view of the encapsulation mechanism of the present invention;

FIG. 3 is a schematic structural view of a pole piece feeding fixture according to the present invention;

FIG. 4 is a cross-sectional view of a pole piece feeding fixture of the present invention;

FIG. 5 is a schematic view of the combined structure of the pole piece feeding clamp and the pre-composite pressing plate of the present invention;

figure 6 is a schematic diagram of a membrane rectifier of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of the technical solutions by those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-6, a composite pole piece coating mechanism includes a machine table 1, a coating mechanism 2 and a four-station turntable 3 are arranged on the machine table 1, four stations on the four-station turntable 3 are a coating station 31, a thermal compounding station 32, a laser film cutting station 33 and a loading and unloading station 34, a multi-station carrier 4 is arranged on each of the coating station 31, the thermal compounding station 32, the laser film cutting station 33 and the loading and unloading station 34, and the coating mechanism 2 rotates and conveys the coated pole piece to the thermal compounding station 32, the laser film cutting station 33 and the loading and unloading station 34 in sequence through the four-station turntable 3. The coating mechanism 2 adopts a mode of feeding a plurality of pole pieces, and the buffer force of the spring buffer block is utilized to enable the plurality of pole pieces to be sucked by the material taking plate when the pole pieces rise, so that the inductor is omitted, and the phenomena of failure of the induction pole pieces and the like are avoided.

Preferably, the multi-station carrier 4 is provided with a vacuum suction plate 41, the vacuum suction plate 41 is provided with a plurality of pole piece placing grooves 42 at intervals, the machine table 1 is provided with a thermal compounding mechanism 11 corresponding to the thermal compounding station 32, the thermal compounding mechanism 11 thermally compounds the coated pole pieces, the machine table 1 is provided with a laser cutting machine corresponding to the laser film cutting station 33, and the laser cutting machine cuts and separates the coated pole pieces, so that the compounded pole pieces are cut into single composite pole pieces. Each multi-station carrier 4 is controlled by a cylinder 5 to move back and forth, the four-station turntable 3 rotates one station at a time, and the cylinders 5 drive the multi-station carriers 4 to move forwards to machining stations.

Preferably, the film coating mechanism 2 includes a pole piece feeding clamp 22, a pre-compounding platform 23, a pre-compounding pressing plate mechanism 24, a film unwinding mechanism 25, a film drawing mechanism 26 and a film cutting mechanism 27, the pole piece feeding clamp 22 simultaneously lifts a plurality of pole pieces for feeding, the pre-compounding pressing plate mechanism 24 moves to a position right above the pole piece feeding clamp 22 to take a plurality of pole pieces, the film drawing mechanism 26 draws out a diaphragm of the film unwinding mechanism to lay the diaphragm on the pre-compounding platform 23, the pre-compounding pressing plate mechanism 24 drives the plurality of pole pieces to move to a position right above the pre-compounding platform 23 and presses the pole pieces on the diaphragm, the film cutting mechanism 27 cuts the diaphragm at a fixed length, a cover plate 29 capable of turning over and covering the pre-compounding platform 23 is arranged on one side of the pre-compounding platform 23, the cover plate 29 drives the diaphragm to turn over and cover the upper surfaces of the plurality of pole pieces, and the film coating of the plurality of pole pieces is completed. The turning of the cover film plate 29 is controlled by a turning cylinder. The cover film plate 29 can also be connected to one side of the pre-composite platform by a shaft pin, and is pulled and turned by an air cylinder. And at the film coating station, the air cylinder 5 pushes the multi-station carrier to move forwards to the pre-compounding platform 23, the diaphragm covers the multi-station carrier 4, and then the pole piece is placed.

Preferably, pole piece material loading anchor clamps 22 includes jacking support 221, jacking support 221's upper end is equipped with pole piece positioning fixture 222, jacking support 221's middle part is equipped with jacking motor mounting panel 223, be equipped with jacking motor 224 on the jacking motor mounting panel 223, jacking motor 224 passes through lead screw connection jacking bottom plate 225, the interval is equipped with a plurality of jacking poles 226 on the jacking bottom plate 225, pole piece positioning fixture 222 goes up the interval and is equipped with a plurality of pole piece constant head tanks 227, all be equipped with in every pole piece constant head tank 227 and hold in the palm flitch 228, every jacking pole 226 all corresponds a pole piece constant head tank 227 and sets up.

Preferably, a spring buffer block 229 is arranged in each lifting rod 226, the spring buffer block 229 abuts against the bottom of the retainer plate 228, and when the lifting rod 226 ascends, the retainer plate 228 is driven to ascend along the pole piece positioning slot 227. So that the pole piece in each pole piece positioning slot 227 can be taken by the material taking plate.

Preferably, the pre-composite pressing plate mechanism 24 includes a servo driving module 241 and a lifting mechanism 242, the lifting mechanism 242 controls a pre-composite pressing plate 243 to lift, the servo driving module 241 controls the lifting mechanism 242 to move left and right, a material taking plate 244 is arranged on the pre-composite pressing plate 243, and a plurality of vacuum adsorption holes are arranged in the material taking plate 244;

the servo driving module 241 controls the lifting mechanism 242 to move to the position right above the pole piece feeding clamp, the lifting mechanism controls the pre-composite pressing plate 243 to absorb the pole piece, and after the pre-composite pressing plate 243 absorbs the pole piece, the servo driving module 241 controls the lifting mechanism 242 to move to the position of the pre-composite platform 23 and place the pole piece on the diaphragm of the pre-composite platform 23.

The servo driving module 241 comprises a servo motor, a synchronous wheel, a synchronous belt, a screw rod and a fixed section bar, wherein the servo motor is connected with the screw rod through the synchronous wheel and the synchronous belt, and the servo motor and the screw rod are both installed on the fixed section bar.

The lifting mechanism 242 comprises a cylinder mounting plate, a cylinder is arranged on the cylinder mounting plate, and a piston rod of the cylinder is connected with the pre-composite pressing plate.

Preferably, when the pre-composite pressing plate 243 is pressed down on the pole piece positioning fixture 22, the lifting rod 226 is lifted to abut against the pole piece on the pole piece positioning groove 227, so that the pole piece on the uppermost layer is contacted with the material taking plate 244, and the vacuum suction hole in the material taking plate 244 is opened to vacuum suck the pole piece;

when the pole piece is sucked by the material taking plate 244, the pole piece on each pole piece positioning groove 227 needs to be in contact with the material taking plate 244, and when the pole piece on the pole piece positioning groove 227 is not in contact with the material taking plate, the jacking motor 224 continues to push the jacking rod to ascend.

Preferably, the film drawing mechanism 26 includes a film drawing servo drive 261 and a film drawing clamp 262, the film drawing servo drive 261 can drive the film drawing clamp 262 to move left and right, the film drawing servo drive 261 controls the film drawing clamp 262 to move to a position for taking a diaphragm, the film drawing clamp 262 operates to clamp the diaphragm, and the film drawing servo drive 261 controls the film drawing clamp 262 to move in the other direction to draw the diaphragm to a set length.

The film drawing servo drive 261 comprises a servo motor, a synchronous wheel, a synchronous belt, a screw rod and a fixed profile, the servo motor is connected with the screw rod through the synchronous wheel and the synchronous belt, and the servo motor and the screw rod are both installed on the fixed profile.

Preferably, the film cutting mechanism 27 is arranged at the film taking position, the film cutting mechanism 27 comprises a film cutting cylinder 271 and a film cutting backing plate 272, a piston rod end of the film cutting cylinder 271 is provided with a cutter 273, the film cutting backing plate 272 is provided with a cutter hole 274, and when the film cutting mechanism 27 cuts the film, the cutter 273 descends at the position aligned with the cutter hole 274 to cut the diaphragm.

Preferably, the film unwinding mechanism 25 includes an unwinding bracket 251, an unwinding servo motor 252 is disposed on the unwinding bracket 251, and the unwinding servo motor 252 controls a winding disc 53 to rotate to unwind the diaphragm.

Preferably, the unreeling support 251 is further provided with a diaphragm deviation rectifier 28, the diaphragm deviation rectifier 28 comprises an adjusting block mounting plate 281 and an inductor mounting plate 282, the adjusting block mounting plate 281 is provided with an adjusting screw rod 283 and a screw rod mounting plate 284, one end of the adjusting screw rod 283 is arranged on the screw rod mounting plate 284 in a penetrating manner, one side of the screw rod mounting plate 284 is provided with a locking handle 285, the adjusting screw rod 283 is provided with an adjusting block 286, the inductor mounting plate 282 is provided with two inductors 287, and the diaphragm is sequentially arranged on the inductors 287 and the adjusting block 286 in a penetrating manner. When one of the sensors 287 senses the diaphragm conveying deviation, the front and rear positions of the adjusting block can be set through the adjusting screw rod, so that the diaphragm conveying is more stable. After the adjusting block is adjusted, the adjusting block is prevented from moving by locking the locking handle.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and arrangements of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a compound pole piece diolame mechanism, includes the board, its characterized in that, be equipped with diolame mechanism and quadruplex position carousel on the board, four stations on the quadruplex position carousel are diolame station, thermal compound station, laser film cutting station and go up the unloading station respectively, all be equipped with the multistation carrier on diolame station, thermal compound station, the laser film cutting station and the last unloading station, after the diolame mechanism accomplishes the pole piece diolame the quadruplex position carousel rotates in proper order and carries to thermal compound station, laser film cutting station and go up the unloading station.

2. The composite pole piece coating mechanism according to claim 1, wherein a vacuum suction plate is arranged on the multi-station carrier, a plurality of pole piece placing grooves are arranged on the vacuum suction plate at intervals, a thermal compounding mechanism is arranged at a position of the machine table corresponding to the thermal compounding station, the thermal compounding mechanism thermally compounds the coated pole pieces, a laser cutting machine is arranged at a position of the machine table corresponding to the laser film cutting station, and the laser cutting machine cuts and separates the coated and thermally compounded pole pieces.

3. The composite pole piece coating mechanism of claim 1, wherein the coating mechanism comprises a pole piece feeding clamp, a pre-compounding platform, a pre-compounding pressing plate mechanism, a thin film unreeling mechanism, a film drawing mechanism and a film cutting mechanism, the pole piece feeding clamp simultaneously jacks a plurality of pole pieces for feeding, the pre-composite pressing plate mechanism moves to the position right above the pole piece feeding clamp to take a plurality of pole pieces, the membrane pulling mechanism pulls out the membrane of the membrane unreeling mechanism to lay the membrane on the pre-compounding platform, the pre-compounding pressing plate mechanism drives a plurality of pole pieces to move right above the pre-compounding platform and press the pole pieces on the diaphragm, the membrane cutting mechanism cuts the membrane in a fixed length mode, a membrane covering plate capable of being covered on the pre-compounding platform in a turnover mode is arranged on one side of the pre-compounding platform, and the membrane covering plate drives the membrane to cover the upper surfaces of the multiple pole pieces in a turnover mode.

4. The film coating mechanism according to claim 3, wherein the pole piece feeding clamp comprises a jacking bracket, a pole piece positioning clamp is arranged at an upper end of the jacking bracket, a jacking motor mounting plate is arranged in the middle of the jacking bracket, a jacking motor is arranged on the jacking motor mounting plate, the jacking motor is connected with a jacking bottom plate through a screw rod, a plurality of jacking rods are arranged on the jacking bottom plate at intervals, a plurality of pole piece positioning grooves are arranged on the pole piece positioning clamp at intervals, a material supporting plate is arranged in each pole piece positioning groove, and each jacking rod corresponds to one pole piece positioning groove.

5. The film coating mechanism of claim 4, wherein a spring buffer block is disposed in each of the lifting rods, the spring buffer block abuts against the bottom of the retainer plate, and the lifting rods drive the retainer plate to move upward along the positioning grooves of the pole pieces when the lifting rods lift.

6. The film coating mechanism of the composite pole piece according to claim 5, wherein the pre-composite pressing plate mechanism comprises a servo driving module and a lifting mechanism, the lifting mechanism controls a pre-composite pressing plate to lift, the servo driving module controls the lifting mechanism to move left and right, a material taking plate is arranged on the pre-composite pressing plate, and a plurality of vacuum adsorption holes are arranged in the material taking plate;

7. The film coating mechanism of claim 6, wherein when the pre-composite pressing plate is pressed down on the pole piece positioning fixture, the lifting rod is lifted to abut against the pole piece on the pole piece positioning groove to lift up, so that the uppermost pole piece is in contact with the material taking plate, and the vacuum suction hole in the material taking plate is opened to suck the pole piece in vacuum;

8. The composite pole piece coating mechanism of claim 7, wherein the membrane drawing mechanism comprises a membrane drawing servo drive and a membrane drawing clamp, the membrane drawing servo drive can drive the membrane drawing clamp to move left and right, the membrane drawing servo drive controls the membrane drawing clamp to move to a membrane taking position, the membrane drawing clamp acts to clamp the membrane, and the membrane drawing servo drive controls the membrane drawing clamp to move in the other direction to draw the membrane out to a set length.

9. The composite pole piece coating mechanism of claim 8, wherein the film cutting mechanism is disposed at a film taking position, the film cutting mechanism comprises a film cutting cylinder and a film cutting backing plate, a piston rod end of the film cutting cylinder is provided with a cutter, the film cutting backing plate is provided with a cutter hole, and when the film cutting mechanism is used for cutting a film, the cutter is aligned with the cutter hole to cut off the film.

10. The composite pole piece coating mechanism of claim 9, wherein the film unwinding mechanism comprises an unwinding bracket, and an unwinding servo motor is arranged on the unwinding bracket and controls a winding disc to rotate;