CN210430010U

CN210430010U - Lithium battery lamination equipment

Info

Publication number: CN210430010U
Application number: CN201921611658.0U
Authority: CN
Inventors: 朴星勳; 刘嘉兵
Original assignee: Liyang Jiatuo Intelligent Equipment Co ltd
Current assignee: Jiangsu Jiatuo New Energy Intelligent Equipment Co ltd
Priority date: 2019-09-25
Filing date: 2019-09-25
Publication date: 2020-04-28
Anticipated expiration: 2029-09-25

Abstract

The utility model discloses a lithium battery lamination device, relating to the technical field of lithium battery production equipment; the battery cell laminating machine comprises a working platform, and a pole piece supply mechanism, a diaphragm unreeling mechanism, a lamination platform mechanism, a battery cell stretching mechanism, a battery cell tail reeling mechanism and a battery cell rubberizing mechanism which are positioned above the working platform; the lamination table mechanism is positioned at the tail end of the pole piece supply mechanism; the membrane unwinding mechanism is arranged above the lamination table mechanism, the membrane unwinding mechanism is used for providing membranes required by lamination for the lamination table mechanism, and the lamination table mechanism is used for laminating the positive plate, the negative plate and the membranes to form a battery cell; the battery core stretching mechanism is arranged on one side of the laminating table mechanism, the battery core tail winding mechanism is positioned on the battery core stretching mechanism, the battery core rubberizing mechanism is arranged on one side of the battery core tail winding mechanism, and a manipulator is arranged above the battery core tail winding mechanism and the battery core rubberizing mechanism; the utility model has the advantages that: the production efficiency and the degree of automation are improved, and the labor intensity of workers is reduced.

Description

Lithium battery lamination equipment

Technical Field

The utility model relates to a lithium cell production facility technical field, more specifically the utility model relates to a lithium cell lamination equipment that says so.

Background

In the construction of lithium batteries, the separator is one of the key internal components. The performance of the diaphragm determines the interface structure, internal resistance and the like of the battery, directly influences the capacity, circulation, safety performance and other characteristics of the battery, and the diaphragm with excellent performance plays an important role in improving the comprehensive performance of the battery. The separator has a main function of separating the positive electrode and the negative electrode of the battery to prevent short circuit due to contact between the two electrodes, and also has a function of allowing electrolyte ions to pass therethrough.

At present, when the lithium battery is laminated, a diaphragm is mostly actively unreeled, a laminating table drives the diaphragm to reciprocate left and right to form Z-shaped lap winding, and after lamination is completed, manual cutting is carried out according to a set length, and manual adhesive tape sticking is sent out. The automation degree of this kind of lithium cell lamination equipment is lower, and an equipment still need be equipped with a plurality of manual works, just can realize the production of lithium cell smoothly, has the defect that production efficiency is low, artifical intensity of labour is big, degree of automation is low.

SUMMERY OF THE UTILITY MODEL

In order to overcome the not enough of prior art, the utility model provides a lithium cell lamination equipment, this equipment can realize autoloading, automatic lamination, automatic unloading and automatic rubberizing, has improved production efficiency and degree of automation, has reduced artifical intensity of labour.

The utility model provides a technical scheme that its technical problem adopted is: in a lithium battery lamination device, the improvement comprising: the battery cell laminating machine comprises a working platform, and a pole piece supply mechanism, a diaphragm unwinding mechanism, a lamination table mechanism, a battery cell stretching mechanism and a battery cell rubberizing mechanism which are positioned above the working platform;

the lamination table mechanism is positioned at the tail end of the pole piece supply mechanism, and the pole piece supply mechanism is used for transferring the positive pole pieces and the negative pole pieces to the lamination table mechanism one by one;

the membrane unwinding mechanism is arranged above the lamination table mechanism and used for providing membranes required by lamination to the lamination table mechanism, and the lamination table mechanism is used for laminating a positive plate, a negative plate and the membranes to form a battery cell;

the battery cell stretching mechanism is arranged on one side of the laminating table mechanism and is used for taking down the battery cell from the laminating table mechanism and cutting off the diaphragm; the battery core rubberizing mechanism is arranged on one side of the battery core stretching mechanism, a mechanical arm is arranged above the battery core rubberizing mechanism, the mechanical arm is used for transferring the battery core into the battery core rubberizing mechanism, and the battery core rubberizing mechanism is used for achieving rubberizing of the battery core.

In the structure, the lithium battery lamination device further comprises a battery core blanking mechanism, the battery core blanking mechanism comprises a conveying belt used for conveying the battery core, and the manipulator is used for transferring the battery core after being pasted to the conveying belt.

In the structure, the lamination table mechanism comprises a bottom plate, a lamination table, a support frame, a first pressing claw device and a second pressing claw device, the support frame is fixed on the upper surface of the bottom plate, the lamination table is arranged above the support frame, the first pressing claw device and the second pressing claw device are arranged on the bottom plate side by side and are respectively positioned on two sides of the support frame, and the structure of the first pressing claw device is the same as that of the second pressing claw device;

the first claw pressing device comprises a servo motor, a ball screw, a first cam, a second cam, a third cam, a first claw pressing assembly, a second claw pressing assembly and a longitudinal transmission assembly, wherein the ball screw is connected with a motor shaft of the servo motor, the first cam and the second cam are slidably mounted on the ball screw, the first cam and the second cam slide along the radial direction of the ball screw, and the third cam is fixedly mounted on the ball screw and is positioned between the first cam and the second cam;

the longitudinal transmission assembly comprises a lifting sliding seat, an operating rod and a longitudinal sliding block, the lifting sliding seat is slidably mounted on the support frame along the vertical direction, two first sliding chutes which are bilaterally symmetrical are arranged on the lifting sliding seat, and the first sliding chutes are arranged along the horizontal direction; longitudinal sliding blocks are symmetrically arranged on the left side and the right side of the lifting sliding seat, the longitudinal sliding blocks are slidably arranged on the supporting frame along the horizontal direction, and second sliding grooves are formed in the longitudinal sliding blocks along the vertical direction; the operating rod is V-shaped, the central point of the operating rod is rotatably arranged on the support frame, one end of the operating rod is clamped in the first sliding groove, and the other end of the operating rod is clamped in the second sliding groove; the lifting sliding seat is also provided with a sliding seat follower wheel which is tightly attached to the revolution surface of the third cam;

the first pressing claw assembly and the second pressing claw assembly are identical in structure, the first pressing claw assembly comprises a transverse moving plate, a vertical follow-up plate and a mandrel, the transverse moving plate is fixed on the side edge of the longitudinal sliding block, a first follow-up wheel is installed at the bottom of the transverse moving plate, the vertical follow-up plate is installed on the transverse moving plate in a sliding mode along the vertical direction, a second follow-up wheel is installed at the bottom of the vertical follow-up plate, and the mandrel is fixed at the top of the vertical follow-up plate along the horizontal direction;

the first cam and the second cam are both provided with annular limiting grooves, a first follower wheel in the first pressing claw assembly is clamped in the limiting groove of the first cam, and a first follower wheel in the second pressing claw assembly is clamped in the limiting groove of the second cam; and the first cam and the second cam are respectively provided with a revolution surface with one end protruding outwards, a second follower wheel in the first pressing claw assembly is clung to the revolution surface of the first cam, and a second follower wheel in the second pressing claw assembly is clung to the revolution surface of the second cam.

In the structure, a first vertical slide rail is arranged on the support frame along the vertical direction, and the lifting sliding seat is slidably mounted on the first vertical slide rail; a limiting fixed block is also fixedly arranged on the supporting frame, and an expansion spring is also arranged between the lifting sliding seat and the limiting fixed block;

a second vertical slide rail is arranged on the transverse moving plate along the vertical direction, and the vertical follow-up plate is slidably arranged on the second vertical slide rail;

the first pressure claw assembly further comprises a pressure claw fixing plate, the pressure claw fixing plate is in a horizontal state, one end of the pressure claw fixing plate is fixedly connected with the top end of the vertical follow-up plate, and the other end of the pressure claw fixing plate is connected with the mandrel.

In the structure, the novel lithium battery lamination mechanism further comprises a lifting driving device, the lifting driving device is fixed on the bottom plate, the lamination table is fixed above the lifting driving device, and the lifting driving device is used for driving the lamination table to reciprocate in the vertical direction;

the lifting driving device comprises a lifting servo motor, a lifting screw rod, a lifting nut, a linear bearing and a guide rod; the lifting servo motor is fixed below the bottom plate, one end of the lifting screw rod is connected with a motor shaft of the lifting servo motor, and the lifting screw nut is in threaded connection with the lifting screw rod; the linear bearing is installed on the support frame, the guide rod penetrates through the linear bearing, the top end of the guide rod is fixed below the laminating table, and the guide rod is fixedly connected with the lifting screw.

In the structure, the pole piece supply mechanism comprises an upper support, a lower base, a first swing arm, a second swing arm, a third swing arm, a fourth swing arm, a power mechanism, a translation driving mechanism and a lifting and rotating driving mechanism;

the upper support is positioned above the lower base, one ends of the first swing arm, the second swing arm, the third swing arm and the fourth swing arm are positioned between the upper support and the lower base, and the other ends of the first swing arm, the second swing arm, the third swing arm and the fourth swing arm are provided with negative pressure adsorption panels for adsorbing battery pole pieces; the first swing arm and the second swing arm are vertically arranged at the front ends of the upper support and the lower base, and the third swing arm and the fourth swing arm are respectively positioned at two sides of the upper support and the lower base;

the power mechanism and the lifting and rotating driving mechanism are both arranged in the lower base, the lifting and rotating driving mechanism comprises a first rotating shaft, the first swing arm and the second swing arm are vertically and fixedly arranged on the first rotating shaft, and the power mechanism is used for driving the first rotating shaft to rotate and lift;

the translation driving mechanism is arranged in the upper support, one end of the third swing arm and one end of the fourth swing arm are arranged on the translation driving mechanism, and the translation driving mechanism is used for driving the third swing arm and the fourth swing arm to translate; the translation driving mechanism comprises a first guide rod, the top end of the first guide rod extends into the upper support, and the first guide rod is used for driving the third swing arm and the fourth swing arm to perform lifting motion under the driving of the power mechanism.

In the structure, the power mechanism comprises a servo motor, a first synchronous belt and a driving cam, wherein an output wheel is installed at the top end of a motor shaft of the servo motor, a following wheel with the same axle center is fixedly installed on one side of the driving cam, and the first synchronous belt is sleeved between the output wheel and the following wheel;

the lifting rotation driving mechanism comprises a first cam follower, a first connecting rod and a first groove connecting block; the plurality of first cam followers are fixedly arranged on the outer wall surface of the first rotating shaft at intervals, and the driving cam is provided with a plurality of inclined inner grooves matched with each first cam follower, so that different first cam followers are driven to be matched with the corresponding inclined inner grooves through the rotation of the driving cam, and the first rotating shaft is driven to rotate;

the first groove connecting block is fixed at the bottom end of the first rotating shaft, an annular groove is formed in the first groove connecting block, one end of the first connecting rod is rotatably installed on the lower base, a convex column is arranged at the other end of the first connecting rod and clamped into the groove of the first groove connecting block, and the middle of the first connecting rod is rotatably installed on the side wall of the driving cam;

the lower end of the first rotating shaft is slidably mounted in the lower base, and the first swing arm and the second swing arm are fixed in the middle of the first rotating shaft through a swing arm connecting block.

In the structure, the translation driving mechanism comprises a second rotating shaft, a gear assembly, a synchronous pulley, an idler wheel, a translation synchronous belt, a guide rail connecting block and a translation guide rail;

the second rotating shaft is fixedly connected to the top end of the first rotating shaft, the synchronous belt wheel and the idler wheel are rotatably arranged in the upper support, the second rotating shaft drives the synchronous belt wheel to rotate through the transmission of the gear assembly, and the translation synchronous belt is wound between the synchronous belt wheel and the idler wheel;

the guide rail connecting block is connected with the translation synchronous belt, the translation guide rail is fixed in the upper support, and the guide rail connecting block is arranged on the translation guide rail in a sliding manner; the third swing arm and the fourth swing arm are both connected with a swing arm connecting block, and the swing arm connecting blocks are connected with the guide rail connecting blocks;

the translation driving mechanism further comprises a second connecting rod, a second groove connecting block, a follow-up sliding block and a vertical guide rail; the second groove connecting block is fixed at the bottom end of the first guide rod, an annular groove is formed in the second groove connecting block, one end of the second connecting rod is rotatably installed on the lower base, a convex column is arranged at the other end of the second connecting rod and clamped into the groove of the second groove connecting block, and the middle of the second connecting rod is rotatably installed on the side wall of the driving cam;

vertical guide rail fix on the guide rail connecting block along vertical direction, and the swing arm connecting block slides and sets up on vertical guide rail, follow-up slider fixed mounting on the top of second connecting rod, be provided with the follow-up spout along the horizontal direction on the follow-up slider, the swing arm connecting block on fixedly be provided with second cam follower, and second cam follower card is gone into in the follow-up spout of follow-up slider.

In the structure, the battery cell adhesive tape sticking mechanism comprises an adhesive supplying mechanism, an adhesive feeding mechanism and a rotating mechanism, wherein the adhesive supplying mechanism is fixed on the side wall of one side plate, the adhesive feeding mechanism is positioned below the adhesive supplying mechanism, the rotating mechanism is positioned on one side of the adhesive feeding mechanism, and the adhesive feeding mechanism is used for sticking the cut adhesive tape on the battery cell in the rotating mechanism;

the glue feeding mechanism comprises an upper pressing plate, a lower pressing plate, a first glue feeding base plate, a second glue feeding base plate and a glue sucking block, wherein the upper pressing plate is positioned above the lower pressing plate, the same end of the upper pressing plate and the same end of the lower pressing plate are rotatably arranged on the first glue feeding base plate, and the other ends of the upper pressing plate and the lower pressing plate are respectively provided with a roller;

the glue sucking block is arranged between the two rollers, the second glue conveying substrate is fixed behind the glue sucking block, a first spring is arranged between the first glue conveying substrate and the second glue conveying substrate, and a second spring is connected between the upper pressing plate and the lower pressing plate.

In the structure, the glue supply mechanism comprises a glue roller, a glue tape fixing seat, a second air cylinder, a glue tape pressing seat, a third air cylinder and a cutter mounting seat; the rubber roller and the roller are rotatably arranged on the side plate, the rubber roller is used for providing an adhesive tape, and the adhesive tape bypasses the roller; the lateral plate is fixedly provided with a horizontal sliding rail, the adhesive tape pressing seat and the cutter mounting seat are both slidably mounted on the horizontal sliding rail, the second cylinder and the third cylinder are both fixed on the lateral plate, the cylinder rod of the second cylinder is fixedly connected with the adhesive tape pressing seat, the cylinder rod of the third cylinder is fixedly connected with the cutter mounting seat, the cutter is arranged on the cutter mounting seat, and the adhesive feeding mechanism is arranged below the cutter mounting seat; the adhesive tape fixing seat is fixedly arranged on the side plate, and the lower end of the adhesive tape fixing seat is positioned between the cutter mounting seat and the adhesive tape pressing seat;

the glue supply mechanism further comprises a pneumatic claw, a pneumatic claw mounting seat and a first air cylinder; the first air cylinder is fixed on the back surface of the side plate, the air claw mounting seat is connected with an air cylinder rod of the first air cylinder, one end of the air claw mounting seat penetrates out of a through hole formed in the side plate, the air claw is fixedly mounted on the end of the air claw mounting seat, and the air claw is positioned below the adhesive tape fixing seat;

the glue supply mechanism also comprises a pneumatic claw guide rod, a cylinder fixing seat and a guide rod fixing seat; the pneumatic claw guide rod structure is characterized in that the cylinder fixing seat and the guide rod fixing seat are fixed on the back face of the side plate, the first cylinder is fixed on the cylinder fixing seat, two ends of the pneumatic claw guide rod are respectively installed on the cylinder fixing seat and the guide rod fixing seat, and a guide hole for enabling the pneumatic claw guide rod to penetrate is formed in the pneumatic claw installing seat.

The utility model has the advantages that: the utility model discloses a lithium battery lamination equipment can realize the automatic material loading of pole piece, automatic supply of diaphragm, automatic lamination, electric core rubberizing and electric core unloading in proper order, and the whole working process realizes the full automatization, need not artificial participation, has consequently improved the degree of automation, has improved the lamination efficiency and the holistic production efficiency of electric core, has reduced artifical intensity of labour; in addition, the positioning of the pole pieces can be realized, the accuracy of the positions of the pole pieces is guaranteed before lamination, and the accuracy of equipment is improved.

Drawings

Fig. 1 is a schematic view of a first three-dimensional structure of a lithium battery lamination device of the present invention.

Fig. 2 is a schematic diagram of a second three-dimensional structure of a lithium battery lamination device of the present invention.

Fig. 3 is a third schematic perspective structure diagram of a lithium battery lamination device of the present invention.

Fig. 4 is a schematic front structural view of the lamination table mechanism of the present invention.

Fig. 5 is an axonometric view of the lamination stage mechanism of the present invention.

Fig. 6 is a schematic side view of the lamination table mechanism of the present invention.

Fig. 7 is a schematic cross-sectional view taken along line a-a in fig. 6.

Fig. 8 is a schematic diagram of the movement of the horizontal stroke and the vertical stroke of the mandrel of the lamination table mechanism of the present invention.

Fig. 9 is a graph showing the relationship between the movement time and the vertical displacement of the mandrel of the lamination stage mechanism according to the present invention.

Fig. 10 is a schematic view of a first three-dimensional structure of a pole piece supply mechanism according to the present invention.

Fig. 11 is a schematic diagram of the internal structure of the pole piece supply mechanism of the present invention.

Fig. 12 is a schematic view of a first side structure of the pole piece supply mechanism of the present invention.

Fig. 13 is a schematic structural view of a second side of the pole piece supply mechanism of the present invention.

Fig. 14 is a schematic cross-sectional view taken along line a-a in fig. 13.

Fig. 15 is a schematic diagram of a second three-dimensional structure of the pole piece supply mechanism of the present invention.

Fig. 16 is a schematic view of a connection structure of the first rotating shaft and the second rotating shaft of the pole piece supply mechanism of the present invention.

Fig. 17 is a schematic view of a first three-dimensional structure of the electric core rubberizing mechanism of the present invention.

Fig. 18 is a side view of the cell adhesive applying mechanism of the present invention.

Fig. 19 is a schematic diagram of a second three-dimensional structure of the electric core rubberizing mechanism of the present invention.

Fig. 20 is a three-dimensional structure diagram of the glue feeding mechanism of the electrical core gluing mechanism of the present invention.

Fig. 21 is a cross-sectional view of the glue feeding mechanism of the cell gluing mechanism of the present invention.

Detailed Description

The present invention will be further explained with reference to the drawings and examples.

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and other embodiments obtained by those skilled in the art without inventive labor based on the embodiments of the present invention all belong to the protection scope of the present invention. In addition, all the connection/connection relations referred to in the patent do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection auxiliary components according to specific implementation conditions. The utility model discloses each technical feature in the creation can the interactive combination under the prerequisite that does not contradict conflict each other.

Referring to fig. 1 to 3, the utility model discloses a lithium battery lamination device, which is used for completing lamination of pole pieces, tail winding of a battery core, diaphragm cutting, battery core rubberizing and automatic battery core blanking, and specifically comprises a working platform 40, a pole piece supply mechanism 10, a diaphragm unreeling mechanism 50, a lamination platform mechanism 20, a battery core stretching mechanism 60 and a battery core rubberizing mechanism 30, which are positioned above the working platform 40; in addition, in this embodiment, the working platform 40 is further provided with two cell tail winding mechanisms 70, and the two pole piece supplying mechanisms 10, the membrane unreeling mechanism 50, the lamination table mechanism 20, the cell stretching mechanism 60 and the cell tail winding mechanisms 70 are all symmetrically provided. Lamination platform mechanism 20 be located the end of pole piece supply mechanism 10, the both sides of pole piece supply mechanism 10 are provided with positive plate magazine 111 and negative pole piece magazine 112 respectively, and the front end of positive plate magazine 111 and negative pole piece magazine 112 all is provided with location platform 113, the top of pole piece supply mechanism 10 is provided with vision system 114, this vision system 114 is used for fixing a position the pole piece, pole piece supply mechanism 10 be used for shifting positive plate and negative pole piece one by one to lamination platform mechanism 20 on, at this in-process, through the effect of vision system 114, when guaranteeing that positive plate or negative pole piece shift to lamination platform mechanism 20 on, ensure the accuracy of its position. It should be noted that the feeding mode of the positive plate and the negative plate can be determined according to actual requirements, for example, a feeding manipulator can be arranged beside the working platform, and the positive plate and the negative plate are transferred to corresponding material boxes through the feeding manipulator, so that automatic feeding is realized; the positive plate and the negative plate can also be transferred into corresponding material boxes manually.

Further, the membrane unwinding mechanism 50 is disposed above the lamination stage mechanism 20, the membrane unwinding mechanism 50 is used for providing a membrane required by lamination to the lamination stage mechanism 20, and the lamination stage mechanism 20 is used for laminating the positive plate, the negative plate and the membrane to form a battery cell; specifically, the diaphragm unwinding mechanism 50 includes a tension control device and a deviation correction device, the tension control device controls the tension of the diaphragm, the deviation correction device corrects the deviation of the diaphragm to avoid the deviation of the position of the diaphragm, the diaphragm unwinding mechanism 50 is further provided with a diaphragm traction device 501, the diaphragm is dragged through the diaphragm traction device 501, and the lamination table mechanism 20 aligns the diaphragm and performs zigzag lamination on the negative plate.

As shown in fig. 1 to fig. 3, the cell stretching mechanism 60 is disposed at one side of the lamination table mechanism 20, the cell tail-rolling mechanism 70 is located on the cell stretching mechanism 60, when the separator covers the positive plate and the negative plate, the cell stretching mechanism 60 is configured to take the cell off from the lamination table mechanism 20 and cut off the separator, and the cell tail-rolling mechanism 70 is configured to clamp the cell conveyed by the cell stretching mechanism 60 and drive the cell to rotate so as to realize the separator tail-rolling; the battery core rubberizing mechanism 30 is arranged on one side of the battery core stretching mechanism 60, a mechanical arm 80 is arranged above the battery core tail winding mechanism 70 and the battery core rubberizing mechanism 30, the mechanical arm 80 is used for transferring a battery core in the battery core tail winding mechanism 70 to the battery core rubberizing mechanism 30, and the battery core rubberizing mechanism 30 is used for rubberizing the battery core. In addition, lithium battery lamination equipment still include electric core unloading mechanism 90, electric core unloading mechanism 90 is including being used for realizing the conveyer belt of conveying to electric core, manipulator 80 is used for shifting the electric core after the rubberizing to the conveyer belt. It should be further noted that, for the cell tail-winding mechanism 70, the function is to drive the cell to rotate so as to realize the membrane tail-winding, and in the specific implementation process, the retention or cancellation may be determined according to the process requirement of the cell lamination. Moreover, the blanking mode of the device can also be selected according to actual requirements, for example, an automatic blanking manipulator can be arranged at the end of a conveyor belt of the battery cell blanking mechanism 90, and the battery cells on the conveyor belt can be transferred to the next process, so that automatic blanking is realized, and of course, manual blanking can also be selected.

Through the structure, the utility model discloses a lithium battery lamination equipment can realize automatic material loading, diaphragm automatic feeding, automatic lamination, electric core rubberizing and electric core unloading of pole piece in proper order, and the whole working process realizes the full automatization, need not artificial participation, has consequently improved the degree of automation, has improved the lamination efficiency and the whole production efficiency of electric core, has reduced artifical intensity of labour; in addition, the positioning of the pole pieces can be realized, the accuracy of the positions of the pole pieces is guaranteed before lamination, and the accuracy of equipment is improved. For the utility model discloses a this kind of lithium cell lamination equipment, as shown in fig. 1 to fig. 3, this equipment is duplex position lamination machine, at the concrete implementation in-process, can be according to the demand of reality, through the quantity that changes the mechanisms such as lamination platform mechanism 20, pole piece supply mechanism 10, electric core tension mechanism 60, can make up into simplex position lamination machine or multistation lamination machine again.

Referring to fig. 4 to 9, for the lamination table mechanism 20, the present invention provides a specific embodiment, the lamination table structure includes a bottom plate 201, a lamination table 202, a support frame 203, a first pressing claw device 204 and a second pressing claw device 205, the support frame 203 is fixed on the upper surface of the bottom plate 201, the lamination table 202 is disposed above the support frame 203, the first pressing claw device 204 and the second pressing claw device 205 are disposed on the bottom plate 201 side by side and are respectively located on two sides of the support frame 203, the structure of the first pressing claw device 204 is the same as that of the second pressing claw device 205, and the lamination action of the pole piece and the diaphragm is realized on the lamination table 202 through the cooperation of the first pressing claw device 204 and the second pressing claw device 205, and the specific working process thereof will be further described below.

As shown in fig. 5, the first claw pressing device 204 includes a servo motor 2041, a ball screw 2042, a first cam 2043, a second cam 2044, a third cam 2045, a first claw pressing component 206, a second claw pressing component 207, and a longitudinal transmission component 208, the ball screw 2042 is connected to a motor shaft of the servo motor 2041, the servo motor 2041 is fixed to one side of the bottom plate 201, the base is further provided with a plurality of ball seat bodies, the ball screw 2042 is rotatably mounted on the ball seat bodies, and the ball screw 2042 is driven by the servo motor 2041 to rotate. The first cam 2043 and the second cam 2044 are slidably mounted on the ball screw 2042, the first cam 2043 and the second cam 2044 slide along the radial direction of the ball screw 2042, and the third cam 2045 is fixedly mounted on the ball screw 2042 and located between the first cam 2043 and the second cam 2044; when the ball screw 2042 rotates, the first cam 2043, the second cam 2044 and the third cam 2045 can be driven to rotate, meanwhile, the first cam 2043 and the second cam 2044 limit the degree of freedom in the axial direction of the ball screw 2042, and the first cam 2043 and the second cam 2044 can slide in the radial direction of the ball screw 2042, so that the first cam 2043 and the second cam 2044 can slide on the ball screw 2042 while rotating. In this embodiment, the first cam 2043 and the second cam 2044 have the same structure, and taking the first cam 2043 as an example, the first cam 2043 is provided with an annular limiting groove 2046, and a rotating surface 2047 protruding outward is further provided beside the limiting groove 2046. It should be noted that the ball screw 2042 may be replaced by a linear bearing, and in the practical application process, the linear bearing may be selected according to requirements.

As shown in fig. 4 and 5, for the longitudinal transmission assembly 208, the present invention provides a specific embodiment, the longitudinal transmission assembly 208 includes a lifting sliding seat 2081, an operation rod 2082 and a longitudinal sliding block 2083, the lifting sliding seat 2081 is slidably mounted on the support frame 203 along the vertical direction, in this embodiment, a first vertical slide rail is disposed on the support frame 203 along the vertical direction, and the lifting sliding seat 2081 is slidably mounted on the first vertical slide rail; a limiting fixing block 2084 is further fixedly mounted on the support frame 203, and a telescopic spring 2085 is further arranged between the lifting sliding seat 2081 and the limiting fixing block 2084. Further, two first sliding chutes which are bilaterally symmetrical are arranged on the lifting sliding seat 2081, and the first sliding chutes are arranged along the horizontal direction; the left and right sides symmetry of lift sliding seat 2081 is provided with longitudinal sliding block 2083, and longitudinal sliding block 2083 along horizontal direction slidable mounting on support frame 203, in this embodiment, is fixed with translation guide rail 2086 on the support frame 203, longitudinal sliding block 2083 slidable mounting on translation guide rail 2086, be provided with the second spout along vertical direction on longitudinal sliding block 2083. As shown in fig. 5, the operation rod 2082 is "V" shaped, the center point of the operation rod 2082 is rotatably installed on the support frame 203, one end of the operation rod 2082 is clamped in the first sliding groove, the other end of the operation rod 2082 is clamped in the second sliding groove, therefore, when the lifting sliding seat 2081 performs lifting motion on the support frame 203, one end of the operation rod 2082 slides in the first sliding groove, the operation rod 2082 is driven to rotate along the center point thereof, the other end of the operation rod 2082 slides in the second sliding groove of the longitudinal sliding block 2083, and the longitudinal sliding block 2083 is driven to translate along the translation guide rail 2086. In addition, the lifting sliding seat 2081 is further provided with a sliding seat follower wheel 2087, the sliding seat follower wheel 2087 is tightly attached to the revolution surface of the third cam 2045, and when the ball screw 2042 drives the third cam 2045 to rotate, the third cam 2045 is matched with the sliding seat follower wheel 2087 through the revolution surface to drive the lifting sliding seat 2081 to ascend, descend or stop in the vertical direction.

As shown in fig. 5, the first pressure claw assembly 206 and the second pressure claw assembly 207 have the same structure, in this embodiment, the structure of the first pressure claw assembly 206 is taken as an example for detailed description, the first pressure claw assembly 206 includes a traverse plate 2061, a vertical follower plate 2062 and a mandrel 2063, the traverse plate 2061 is fixed on the side of the longitudinal slide block 2083 and is driven by the longitudinal slide block 2083 to reciprocate in the horizontal direction, a first follower wheel 2064 is installed at the bottom of the traverse plate 2061, the first follower wheel 2064 in the first pressure claw assembly 206 is clamped in the limit groove 2046 of the first cam 2043, similarly, the first follower wheel 2064 in the second pressure claw assembly 207 is clamped in the limit groove 2046 of the second cam 2044, when the traverse plate 2061 is translated in the horizontal direction, the first cam 2043 is driven to translate on the ball screw 2042 by the cooperation of the limit groove 2046 and the first follower wheel 2064, and the same principle, causing the second cam 2044 to translate on the ball screw 2042. Further, the vertical follow-up plate 2062 is slidably mounted on the traverse plate 2061 along the vertical direction, in this embodiment, a second vertical slide rail is disposed on the traverse plate 2061 along the vertical direction, and the vertical follow-up plate 2062 is slidably mounted on the second vertical slide rail; a second follower wheel 2065 is mounted at the bottom of the vertical follower plate 2062, the spindle 2063 is fixed at the top of the vertical follower plate 2062 along the horizontal direction, the second follower wheel 2065 of the first pressure jaw assembly 206 is tightly attached to the revolution surface of the first cam 2043, and the second follower wheel 2065 of the second pressure jaw assembly 207 is tightly attached to the revolution surface of the second cam 2044. With this structure, when the first cam 2043 rotates, the second follower wheel 2065 and the vertical follower plate 2062 are driven to reciprocate in the vertical direction by the revolution surface of the first cam 2043, so as to drive the spindle 2063 of the first clamping jaw assembly 206 to move in the vertical direction; similarly, rotation of the second cam 2044 causes the spindle 2063 of the second clamping jaw assembly 207 to move in the vertical direction. Since the second pressure claw device 205 has the same structure as the first pressure claw device 204, detailed description thereof is omitted in this embodiment. Thus, the movement of the mandrels 2063, consisting of a reciprocating movement in the horizontal direction and a reciprocating movement in the vertical direction, effects the operation of the lamination on the lamination station 202 by the cooperation of the movements of the four mandrels 2063.

In addition, in the above embodiment, the first clamping jaw assembly 206 further includes a clamping jaw fixing plate 2066, the clamping jaw fixing plate 2066 is in a horizontal state, one end of the clamping jaw fixing plate 2066 is fixedly connected to the top end of the vertical follow-up plate 2062, and the other end of the clamping jaw fixing plate 2066 is connected to the mandrel 2063.

As shown in fig. 6 and 7, the novel lithium battery lamination mechanism further includes a lifting driving device 209, the lifting driving device 209 is fixed on the bottom plate 201, the lamination table 202 is fixed above the lifting driving device 209, and the lifting driving device 209 is used for driving the lamination table 202 to reciprocate in the vertical direction. As for the lifting driving device 209, the present invention provides a specific embodiment, as shown in fig. 7, the lifting driving device 209 includes a lifting servo motor 2091, a lifting screw 2092, a lifting screw 2093, a linear bearing 2094 and a guiding rod 2095; the lifting servo motor 2091 is fixed below the bottom plate 201, one end of a lifting screw rod 2092 is connected with a motor shaft of the lifting servo motor 2091, and the lifting screw nut 2093 is in threaded connection with the lifting screw rod 2092; the linear bearing 2094 is installed on the support frame 203, the guide rod 2095 passes through the linear bearing 2094, the top end of the guide rod 2095 is fixed below the lamination table 202, the guide rod 2095 is fixedly connected with the lifting screw nut 2093, and when the lifting servo motor 2091 drives the lifting screw rod 2092 to rotate, the lifting screw nut 2093 is driven to reciprocate on the lifting screw rod 2092, so that the guide rod 2095 is driven to reciprocate in the vertical direction, and the lifting movement of the lamination table 202 is realized. In addition, an induction piece 2096 is fixedly installed at one end of the ball screw 2042, and an inductor 2097 is installed at a position of the bottom plate 201 corresponding to the induction piece 2096.

Through the structure, we are going on the detailed explanation to the utility model discloses a novel lamination mechanism's of lithium cell working process, after servo motor 2041 drove ball screw 2042 rotatory, under the drive of vertical transmission subassembly 208, dabber 2063 can realize the displacement in the horizontal direction, simultaneously, through the cooperation of first cam 2043 and first pressure claw subassembly 206, through the cooperation of second cam 2044 and second pressure claw subassembly 207, can drive two relative dabbers 2063 and realize the position in vertical direction. Fig. 8 is a schematic diagram of the movement of the lateral stroke and the vertical stroke of the spindle 2063, fig. 9 is a diagram of the relationship between the movement time and the vertical displacement of the spindle 2063, and taking one spindle 2063 as an example to explain the movement, the movement of the spindle 2063 is a rectangular movement, between the station 1 and the station 2, the positions of the first cam 2043 and the second follower wheel 2065 are kept unchanged, and the third cam 2045 drives the sliding seat follower wheel 2087 to move downward (at this time, the lifting sliding seat 2081 receives the tension of the expansion spring 2085), so as to drive the spindle 2063 to move toward the center of the lamination station 202; between the working positions 2 and 3, the relative positions of the third cam 2045 and the sliding seat follow-up wheel 2087 are kept unchanged, and the revolution surface of the first cam 2043 is matched with the second follow-up wheel 2065 to drive the second follow-up wheel 2065 to move upwards, so that the mandrel 2063 also moves upwards; between the work 3 and the work station 4, the first cam 2043 and the second follower wheel 2065 keep the relative positions, and the third cam 2045 drives the sliding seat follower wheel 2087 to move upwards, so that the mandrel 2063 moves away from the center of the lamination table 202 through a series of transmissions; between station 4 and station 1, the second follower wheel 2065 moves downward with the cam, so that the spindle 2063 moves downward, and the relative positions of the third cam 2045 and the sliding seat follower wheel 2087 are kept unchanged.

Before the lamination operation, the positions of the first cam 2043, the second cam 2044 and the third cam 2045 are adjusted, and the rotating speed of the servo motor 2041 is adjusted to enable the servo motor 2041 to operate at a proper rotating speed, so that the servo motor 2041 can operate without stopping during the lamination operation process and can operate continuously according to the operating process; moreover, two pressing claws on the same side are driven to move by one servo motor 2041, so that the operation efficiency of the whole machine is improved, and the lamination efficiency is improved.

By the structure, the first claw pressing device 204 and the second claw pressing device 205 are respectively arranged at two sides of the supporting frame 203, in the first pressing claw device 204 and the second pressing claw device 205, the servo motor 2041 is used to control the movement of the two mandrels 2063 in two directions, so that compared with the prior art in which a plurality of cylinders or motors are used to control, on one hand, the power-driven structure is simplified, and on the other hand, because the two mandrels 2063 are driven by the same motor, the problem of asynchronism caused by adopting a plurality of motors for control in the prior art is avoided, when the lamination of the pole piece and the diaphragm is carried out, the two mandrels 2063 positioned on the same side can move simultaneously, the consistency of the movement is ensured, therefore, the situation that the pole pieces or the diaphragms are wrinkled due to the fact that the two mandrels 2063 do not move consistently can be avoided, the quality of the laminated sheets is improved, and the defective rate of the formed battery cell is reduced.

Referring to fig. 10 to 16, for the pole piece supplying mechanism 10, the present invention provides a specific embodiment, the pole piece supplying mechanism 10 includes an upper support 101, a lower base 102, a first swing arm 103, a second swing arm 104, a third swing arm 105, a fourth swing arm 106, a power mechanism 107, a translation driving mechanism 108 and a lifting and rotating driving mechanism, the upper support 101 is located above the lower base 102, one end of the first swing arm 103, the second swing arm 104, the third swing arm 105 and the fourth swing arm 106 is located between the upper support 101 and the lower base 102, and the other end of the first swing arm 103, the second swing arm 104, the third swing arm 105 and the fourth swing arm 106 is provided with a negative pressure adsorption panel for adsorbing a battery pole piece; the first swing arm 103 and the second swing arm 104 are arranged at the front ends of the upper support 101 and the lower base 102 in a vertical manner, and the third swing arm 105 and the fourth swing arm 106 are respectively positioned at two sides of the upper support 101 and the lower base 102; the power mechanism 107 and the lifting and rotating driving mechanism are both arranged inside the lower base 102, the lifting and rotating driving mechanism includes a first rotating shaft 1101, the first swing arm 103 and the second swing arm 104 are vertically and fixedly mounted on the first rotating shaft 1101, and the power mechanism 107 is used for driving the first rotating shaft 1101 to rotate and lift, so that the first swing arm 103 and the second swing arm 104 can rotate around the first rotating shaft 1101 under the driving of the power mechanism 107, and can also lift in the vertical direction at the same time.

Further, the translation driving mechanism 108 is arranged inside the upper support 101, one end of the third swing arm 105 and one end of the fourth swing arm 106 are arranged on the translation driving mechanism 108, and the translation driving mechanism 108 is used for driving the third swing arm 105 and the fourth swing arm 106 to translate; the translation driving mechanism 108 includes a first guide rod 1081, a top end of the first guide rod 1081 extends into the upper support 101, and the first guide rod 1081 is used for driving the third swing arm 105 and the fourth swing arm 106 to perform a lifting motion under the driving of the power mechanism 107. Therefore, the third swing arm 105 and the fourth swing arm 106 can be driven to reciprocate and move up and down in the vertical direction by the cooperation of the power mechanism 107 and the translation driving mechanism 108.

In the above embodiment, as shown in fig. 10 and 11, the third swing arm 105 and the fourth swing arm 106 are respectively located at the front end and the rear end of the translation driving mechanism 108, and when the translation driving mechanism 108 drives the third swing arm 105 to move forward, the fourth swing arm 106 moves backward, and when the translation driving mechanism 108 drives the third swing arm 105 to move backward, the fourth swing arm 106 moves forward; when feeding the battery pole pieces, two sides of the upper base 101 and the lower base 102 are respectively provided with a production line for conveying the battery pole pieces, generally a positive pole piece production line and a negative pole piece production line, the third swing arm 105 and the fourth swing arm 106 transfer the battery pole pieces to an appointed position through translational motion and lifting motion, and then the first swing arm 103 and the second swing arm 104 feed the battery pole pieces at the appointed position into the lamination equipment. Due to the structural design, the same device can simultaneously realize feeding of the positive plate and the negative plate without mutual interference, after the third swing arm 105 or the fourth swing arm 106 transfers the battery plate to a designated position, the position can be calibrated, and then the first swing arm 103 or the second swing arm 104 is used for feeding, so that the accuracy of the position of the battery plate before feeding is ensured; in addition, when the first swing arm 103 carries out pole piece feeding, the second swing arm 104 can rotate to a designated position to absorb a pole piece, and when the second swing arm 104 rotates to the designated position to absorb the pole piece, the first swing arm 103 realizes pole piece feeding, so that uninterrupted pole piece feeding can be realized, and the feeding efficiency is greatly improved; and the structure of the feeding structure is simple, and the overall size of the equipment is reduced.

As shown in fig. 12, the power mechanism 107 includes a servo motor 1071, a first synchronous belt 1072 and a driving cam 1073, an output wheel is installed at the top end of a motor shaft of the servo motor 1071, a coaxial follower wheel is fixedly installed at one side of the driving cam 1073, and the first synchronous belt 1072 is sleeved between the output wheel and the follower wheel and drives the driving cam 1073 to rotate by the rotation of the servo motor 1071. Further, as shown in fig. 11 and 12, the lifting and rotating driving mechanism includes a first cam follower 1102, a first link 1103 and a first groove connecting block 1104, the plurality of first cam followers 1102 are fixedly arranged on an outer wall surface of the first rotating shaft 1101 at intervals, the driving cam 1073 is provided with a plurality of inclined inner grooves adapted to each first cam follower 1102, so as to drive different first cam followers 1102 to be adapted to corresponding inclined inner grooves by rotation of the driving cam 1073, so as to drive the first rotating shaft 1101 to rotate, in this embodiment, three first cam followers 1102 are fixed on the outer wall surface of the first rotating shaft 1101 at intervals, and meanwhile, the driving cam 1073 is provided with three inclined inner grooves adapted to each first cam follower 1102, when the driving cam 1073 rotates, because the inclined inner grooves have a certain included angle with a vertical surface, the first cam follower 1102 is driven to deflect, thereby rotating the first rotating shaft 1101, and in this embodiment, the rotating angle of the first rotating shaft 1101 is 90 °. Further, as shown in fig. 12, the first groove connection block 1104 is fixed to the bottom end of the first rotation shaft 1101, a groove which is annular is formed in the first groove connection block 1104, one end of the first connection rod 1103 is rotatably installed on the lower base 102, a convex pillar is arranged at the other end of the first connection rod 1103, the convex pillar is clamped into the groove of the first groove connection block 1104, and the middle of the first connection rod 1103 is rotatably installed on the side wall of the driving cam 1073, so that the first connection rod 1103 can be driven when the driving cam 1073 rotates, and the first rotation shaft 1101 is vertically moved by matching the first connection rod 1103 with the first groove connection block 1104, and therefore, the first rotation shaft 1101 can be driven to rotate and move up and down by driving of the servo motor 1071. In this embodiment, the lower end of the first rotating shaft 1101 is slidably mounted in the lower base 102, and the first swing arm 103 and the second swing arm 104 are fixed to the middle of the first rotating shaft 1101 through a swing arm connecting block. The first rotating shaft 1101 may be a ball screw, and may be selected according to actual needs.

As shown in fig. 11 to 15, for the translational driving mechanism 108, the present invention provides a specific embodiment, the translational driving mechanism 108 includes a second rotating shaft 1082, a gear assembly, a synchronous pulley 1083, an idle pulley 1084, a translational synchronous belt 1085, a guide rail connecting block 1086 and a translational guide rail 1087, the second rotating shaft 1082 is fixedly connected to the top end of the first rotating shaft 1101, and the second rotating shaft 1082 can be driven by the first rotating shaft 1101 to simultaneously realize rotation and lifting movement; the synchronous pulley 1083 and the idler pulley 1084 are both rotatably mounted inside the upper support 101, the second rotating shaft 1082 drives the synchronous pulley 1083 to rotate through transmission of the gear assembly, the translational synchronous belt 1085 is wound between the synchronous pulley 1083 and the idler pulley 1084, in this embodiment, two idler pulleys 1084 are provided, and when the translational synchronous belt 1085 is wound between the idler pulley 1084 and the synchronous pulley 1083, the synchronous belts on two opposite sides are in a parallel state; moreover, the synchronous belts on the two sides are connected with a guide rail connecting block 1086, the translation guide rail 1087 is fixed inside the upper support 101, the guide rail connecting block 1086 is slidably arranged on the translation guide rail 1087, and when the translation synchronous belt 1085 rotates, the guide rail connecting block 1086 is driven to translate on the translation guide rail 1087; the third swing arm 105 and the fourth swing arm 106 are both connected with a swing arm connecting block 1088, the swing arm connecting blocks 1088 are connected with the guide rail connecting blocks 1086, and the third swing arm 105 and the fourth swing arm 106 are driven by the guide rail connecting blocks 1086 to translate along the direction of the translation guide rail 1087.

In addition, in order to drive the third swing arm 105 and the fourth swing arm 106 to realize the lifting movement, on the basis of the above embodiment, as shown in fig. 13, 14 and 15, the translation driving mechanism 108 further includes a second link 1089, a second groove connecting block 1090, a follower slider 1091 and a vertical guide rail 1092, the second groove connecting block 1090 is fixed at the bottom end of the first guide rod 1081, a ring-shaped groove is formed on the second groove connecting block 1090, one end of the second link 1089 is rotatably mounted on the lower base 102, the other end of the second link 1089 is provided with a convex pillar, the convex pillar is clamped into the groove of the second groove connecting block 1090, and the middle part of the second link 1089 is rotatably mounted on the side wall of the driving cam 1073; vertical guide rail 1092 fix on guide rail connecting block 1086 along vertical direction, and swing arm connecting block 1088 slides and sets up on vertical guide rail 1092, follow-up slider 1091 fixed mounting on the top of second connecting rod 1089, be provided with the follow-up spout along the horizontal direction on the follow-up slider 1091, swing arm connecting block 1088 on fixedly be provided with second cam follower 1093, and second cam follower 1093 card is gone into in the follow-up spout of follow-up slider 1091. In addition, a fixing plate 1011 is fixedly disposed inside the upper support 101, a first linear bearing 1012 is mounted on the fixing plate 1011, and the first guide rod 1081 passes through the first linear bearing 1012.

Through such a structure, when the driving cam 1073 rotates, the second connecting rod 1089 and the second groove connecting block 1090 are matched to drive the first guide rod 1081 to slide up and down in the first linear bearing 1012 so as to drive the follow-up sliding block 1091 to slide up and down together, and the follow-up sliding groove and the second cam follower 1093 are matched to drive the swing arm connecting block 1088 to move up and down, so that the lifting movement of the third swing arm 105 and the fourth swing arm 106 is realized. Therefore, the third swing arm 105 and the fourth swing arm 106 have both the translational motion and the lifting motion.

As shown in fig. 15, in the above embodiment, the present invention provides a specific embodiment of the gear assembly, which is composed of a first gear 1094, a second gear 1095, a third gear 1096 and a fourth gear 1097; the first gear 1094 is mounted at the top end of the second rotating shaft 1082, a fixed block 1098 is arranged inside the upper support 101, a third rotating shaft 1099 is rotatably mounted on the fixed block 1098, the second gear 1095 and the third gear 1096 are respectively and fixedly mounted at the bottom end and the top end of the third rotating shaft 1099, and the first gear 1094 is meshed with the second gear 1095; the fourth gear 1097 is fixed to the timing pulley 1083, and the fourth gear 1097 is engaged with the third gear 1096; therefore, the second shaft 1082 can drive the first gear 1094 to rotate, and the fourth gear 1097 can be driven to rotate by the meshing of the first gear 1094 and the second gear 1095 and the meshing of the third gear 1096 and the fourth gear 1097, so as to drive the synchronous pulley 1083 to rotate.

Further, as shown in fig. 16, for the mounting structure of the first rotating shaft 1101 and the second rotating shaft 1082, the present invention provides an embodiment, a first bearing seat 1021 is fixedly mounted on the lower base 102, a first ball bearing 1022 is disposed inside the first bearing seat 1021, a linear bearing seat 1023 is fixedly disposed on an inner ring of the first ball bearing 1022, a second linear bearing 1024 is disposed inside the linear bearing seat 1023, and the first rotating shaft 1101 passes through the second linear bearing 1024; a lock nut is disposed above the first ball bearing 1022, and an end cap is fixedly disposed above the lock nut, so that the first rotating shaft 1101 can rotate and move up and down with respect to the lower base 102. The inner portion of the upper support 101 is fixedly provided with a second bearing seat 1025, the second bearing seat 1025 is fixed on the fixing plate 1011, the inner portion of the second bearing seat 1025 is provided with a second ball bearing 1026, the lower end of the first gear 1094 is fixedly arranged on the inner ring of the second ball bearing 1026, the inner portion of the first gear 1094 is fixedly provided with a third linear bearing 1027, the second rotating shaft 1082 passes through the third linear bearing 1027, when the second rotating shaft 1082 rotates, the first gear 1094 can be driven to rotate together, when the second rotating shaft 1082 moves up and down, due to the existence of the third linear bearing 1027, the first gear 1094 can not move up and down together with the second rotating shaft 1082, and by the design of the structure, the second rotating shaft 1082 can drive the synchronous pulley 1083 to rotate.

Through foretell structure, set up one respectively in the both sides of the device and be used for transmitting the pole piece assembly line, through third swing arm 105 and fourth swing arm 106, shift positive plate and negative pole piece from the assembly line to the location platform respectively on, rethread first swing arm 103 and second swing arm 104's cooperation, shift positive plate or negative pole piece on the location platform to the lamination equipment in, realize the lamination operation, when third swing arm 105 or fourth swing arm 106 shift the pole piece to the location platform on, can rectify the position of pole piece through the location platform, in order to guarantee that the pole piece is in the last step's of putting into the lamination equipment process, realize the calibration to the pole piece position, the position of pole piece is more accurate when making the lamination operation. In addition, because the utility model discloses in, the power of first swing arm 103, second swing arm 104, third swing arm 105 and fourth swing arm 106 all derives from servo motor 1071, through drive cam 1073, realizes the drive of different swing arms, and holistic cooperation degree is high, can not appear the power source and differ and lead to the problem that the cooperation appears between the different swing arms; moreover, in the overall structure, the plurality of swing arms are driven by one servo motor 1071, so that the overall structure is smaller and more compact, and the overall size of the equipment is reduced.

Referring to fig. 17 to fig. 21, to electric core rubberizing mechanism 30, the utility model provides a specific embodiment, electric core rubberizing mechanism 30 is including supplying gluey mechanism 301, sending gluey mechanism 302 and rotary mechanism 303, supply gluey mechanism 301 to be fixed in on the lateral wall of a curb plate 304, supply gluey mechanism 301 to be used for providing the sticky tape, send gluey mechanism 302 to be located the below that supplies gluey mechanism 301, rotary mechanism 303 be located the one side of sending gluey mechanism 302, send gluey mechanism 302 to be used for attaching the sticky tape after tailorring on the electric core in rotary mechanism 303.

As shown in fig. 17 to fig. 19, the cell rubberizing mechanism 30 further includes a bottom plate 305, a rail mounting plate 306, a transverse moving mechanism, and a longitudinal moving mechanism, a support 3053 is disposed below the bottom plate 305, the transverse moving mechanism is arranged above the bottom plate 305, the guide rail mounting plate 306 is arranged on the transverse moving mechanism, and the transverse moving mechanism is used for driving the guide rail mounting plate 306 to translate in the transverse direction and, in the embodiment, the transverse moving mechanism comprises a first guide rail 3051, a first screw 3052 and a first motor (not visible in the figure), two first guide rails 3051 are fixed on the upper surface of the base plate 305 in parallel, a guide rail mounting plate 306 is arranged on the first guide rail 3051 in a sliding manner, a screw nut (not visible in the figure) matched with the first screw 3052 is arranged below the guide rail mounting plate 306, the first screw rod 3052 is driven to rotate by the first motor, so that the guide rail is driven to be mounted on the first guide rail 3051 to translate; further, the longitudinal moving mechanism is arranged above the guide rail mounting plate 306, the glue feeding mechanism 302 is arranged on the longitudinal moving mechanism, the longitudinal moving mechanism is used for driving the glue feeding mechanism 302 to move horizontally in the longitudinal direction, specifically, the longitudinal moving mechanism comprises a second guide rail 3061, a second screw rod 3062 and a second motor 3063, the second guide rail 3061 is arranged on the upper surface of the guide rail mounting plate 306 in the direction perpendicular to the first guide rail 3051, the second screw rod 3062 is rotatably arranged on the guide rail mounting plate 306, one end of the second screw rod 3062 is connected with the output end of the second motor 3063, and the second screw rod 3062 is driven to rotate by the second motor 3063; similarly, a feed screw nut base 3064 adapted to the second feed screw 3062 is provided, and the glue feeding mechanism 302 is fixedly connected to the feed screw nut base 3064, so that the glue feeding mechanism 302 can reciprocate in the direction of the second guide rail 3061 under the driving of the second motor 3063. The bottom ends of the side plates 304 are fixed on the guide rail mounting plate 306, so that the glue supply mechanism 301 and the side plates 304 can move along the transverse direction by the driving of the transverse moving mechanism, and the glue feeding mechanism 302 can be driven to reciprocate in two directions by the matching of the transverse moving mechanism and the longitudinal moving mechanism. It should be noted that, as for the longitudinal moving mechanism and the lateral moving mechanism, the structures thereof are common in the prior art, so that only the principle thereof will be described in the present embodiment, and the detailed description of the structures thereof will not be provided later.

In the above embodiment, as shown in fig. 20 and 21, the glue feeding mechanism 302 includes an upper press plate 3021, a lower press plate 3022, a first glue feeding substrate 3023, a second glue feeding substrate 3024, and a glue sucking block 3025, where the upper press plate 3021 is located above the lower press plate 3022, and the same end of the upper press plate 3021 and the lower press plate 3022 is rotatably installed on the first glue feeding substrate 3023, the other ends of the upper press plate 3021 and the lower press plate 3022 are both installed with a roller 3026, and the first glue feeding substrate 3023 is fixedly connected to the nut base 3064; further, the glue sucking block 3025 is disposed between two rollers 3026, the second glue feeding substrate 3024 is fixed to the rear of the glue sucking block 3025, a first spring 3027 is disposed between the first glue feeding substrate 3023 and the second glue feeding substrate 3024, a second spring 3028 is connected between the upper press plate 3021 and the lower press plate 3022, the upper press plate 3021 and the lower press plate 3022 are mutually tensioned through the second spring 3028, the roller 3026 of the upper press plate 3021 is pressed above the glue sucking block 3025, and the roller 3026 of the lower press plate 3022 is pressed below the glue sucking block 3025.

Through the structural design of the adhesive conveying mechanism 302, when adhesive is conveyed, a plurality of vacuum suction holes are formed in the adhesive suction block 3025, so that the adhesive tape can be sucked, after the adhesive conveying mechanism 302 moves forwards, the adhesive tape on the adhesive suction block 3025 is attached to the electric core, and then the adhesive conveying mechanism 302 continues to move forwards, two rollers 3026 are pressed on the adhesive tape and move backwards at the same time, that is, the roller 3026 of the upper press plate 3021 rolls upwards, and the roller 3026 of the lower press plate 3022 rolls downwards, so that the adhesive tape is attached to the electric core tightly in the process, and the situation that the adhesive tape is not firmly attached is avoided; meanwhile, due to the first spring 3027 between the second glue feeding substrate 3024 and the first glue feeding substrate 3023, the glue absorbing block 3025 is in flexible contact with the battery cell, so that the deformation of the battery cell caused by an excessive pressure applied to the battery cell by the glue absorbing block 3025 is avoided; after the adhesive tape is pasted, the adhesive tape feeding mechanism 302 retracts backwards, the upper pressing plate 3021 and the lower pressing plate 3022 reset under the action of the second spring 3028, and meanwhile, in the resetting process, the roller 3026 on the upper pressing plate 3021 and the roller 3026 on the lower pressing plate 3022 compress the adhesive tape again, so that the adhesive tape is firmly pasted on the battery cell.

As for the glue supply mechanism 301, as shown in fig. 17 to 20, the utility model provides a specific embodiment, the glue supply mechanism 301 includes a glue roller 3011, a roller 3012, a tape fixing seat 3013, a second cylinder 3014, a tape pressing seat 3015, a third cylinder 3016 and a cutter mounting seat 3017; the rubber roll 3011 and the roller 3012 are rotatably mounted on the side plate 304, the rubber roll 3011 is used for providing a rubber belt, the rubber belt bypasses the roller 3012, and the rubber roll 3011 is connected with a torque generator 3018 to generate a damping effect and prevent the rubber belt from being too loose. A horizontal sliding rail is fixedly arranged on the side plate 304, the tape pressing seat 3015 and the cutter mounting seat 3017 are slidably mounted on the horizontal sliding rail, the second cylinder 3014 and the third cylinder 3016 are both fixed on the side plate 304, a cylinder rod of the second cylinder 3014 is fixedly connected with the tape pressing seat 3015, a cylinder rod of the third cylinder 3016 is fixedly connected with the cutter mounting seat 3017, a cutter 3019 is arranged on the cutter mounting seat 3017, and the tape feeding mechanism 302 is arranged below the cutter mounting seat 3017; the tape fixing seat 3013 is fixedly mounted on the side plate 304, and the lower end of the tape fixing seat 3013 is located between the cutter mounting seat 3017 and the tape pressing seat 3015. Through this kind of structure, pull the sticky tape to on sticky tape fixing base 3013, when needs cut the sticky tape, second cylinder 3014 drives and presses sticky tape seat 3015 and slide, compresses tightly the sticky tape on sticky tape fixing base 3013, and third cylinder 3016 drives cutter mount 3017 and slides afterwards, and the cutter on the cutter mount 3017 realizes cutting the sticky tape.

Further, the glue supply mechanism 301 further includes a pneumatic claw 3071, a pneumatic claw mounting seat 3072 and a first cylinder 3073, the first cylinder 3073 is fixed on the back surface of the side plate 304, the pneumatic claw mounting seat 3072 is connected with a cylinder rod of the first cylinder 3073, one end of the pneumatic claw mounting seat 3072 penetrates through a through hole formed in the side plate 304, the pneumatic claw 3071 is fixedly mounted on the end of the pneumatic claw mounting seat 3072, and the pneumatic claw 3071 is located below the tape fixing seat 3013; the adhesive tape can be grabbed through the pneumatic claw 3071, the pneumatic claw 3071 fixing seat can be driven by the first cylinder 3073 to move up and down, and therefore when the pneumatic claw 3071 moves upwards and clamps the adhesive tape, the adhesive tape moves downwards, and the adhesive tape can be pulled. In addition, in order to improve the stability of the movement of the air gripper 3071 fixing seat, as shown in fig. 19, the glue supply mechanism 301 further includes an air gripper guide rod 3074, a cylinder fixing seat 3075 and a guide rod fixing seat 3076, the cylinder fixing seat 3075 and the guide rod fixing seat 3076 are both fixed on the back surface of the side plate 304, the first cylinder 3073 is fixed on the cylinder fixing seat 3075, two ends of the air gripper guide rod 3074 are respectively installed on the cylinder fixing seat 3075 and the guide rod fixing seat 3076, and the air gripper mounting seat 3072 is provided with a guide hole for the air gripper guide rod 3074 to pass through.

As for the rotating mechanism 303, the present invention provides a specific embodiment, as shown in fig. 17 to 19, the rotating mechanism 303 includes a rotating motor 3031, a lower pressing bottom plate 3032, an upper pressing plate 3033, a lower pressing plate 3034, a linear bearing 3035, a jacking cylinder 3036 and a cylinder jacking plate 3037; the lower pressure plate 3034 is arranged between the upper pressure plate 3033 and the lower pressure base plate 3032, a plurality of guide posts 3038 are arranged between the upper pressure plate 3033 and the lower pressure base plate 3032, the linear bearing 3035 is fixed on the lower pressure plate 3034, and the guide posts 3038 penetrate through the linear bearing 3035; the lower pressure base plate 3032 is connected with a motor shaft of a rotating motor 3031, and the rotating motor 3031 drives the lower pressure base plate 3032 to rotate; the jacking cylinder 3036 is fixedly installed on the lower pressure base plate 3032, the cylinder jacking plate 3037 is fixed at the top end of a cylinder rod of the jacking cylinder 3036, the cylinder jacking plate 3037 is fixedly connected with the lower pressure plate 3034, and a battery cell is placed between the upper pressure plate 3033 and the lower pressure plate 3034. In this embodiment, a rotating shaft is connected to the lower base plate 3032, a rotating wheel is mounted at the bottom end of the rotating shaft, and a timing belt 3039 is provided between the output shaft of the rotating motor 3031 and the rotating wheel, so that the lower base plate 3032 is driven to rotate by the rotating motor 3031. The jacking cylinder 3036 drives the cylinder jacking plate 3037 and the lower pressing disc 3034 to realize lifting movement, and in the lifting movement process, the linear bearing 3035 is matched with the guide post 3038 to guide the movement of the cylinder jacking plate 3037 and the lower pressing disc 3034. When the adhesive tape feeding mechanism 302 moves towards the rotating mechanism 303, the rotating motor 3031 drives the upper pressure plate 3033 and the lower pressure plate 3034 to rotate, so that the battery cell between the upper pressure plate 3033 and the lower pressure plate 3034 moves to a specified position, and the adhesive tape is attached to the battery cell by the adhesive tape feeding mechanism 302.

Therefore, the cell gluing mechanism 30 realizes automatic cutting of the adhesive tape through the adhesive supply mechanism, the adhesive feeding mechanism realizes automatic attachment of the adhesive tape, labor cost is saved, and cell production efficiency and product quality consistency are improved; because of the existence of the adhesive conveying mechanism, the adhesion between the adhesive tape and the battery cell is realized, the condition that the adhesive tape is not firmly attached is avoided, and the deformation of the battery cell caused by overlarge pressure applied to the battery cell by the adhesive suction block can be avoided.

While the preferred embodiments of the present invention have been described, the present invention is not limited to the above embodiments, and those skilled in the art can make various equivalent modifications or substitutions without departing from the spirit of the present invention, and such equivalent modifications or substitutions are intended to be included within the scope of the present invention as defined by the appended claims.

Claims

1. A lithium battery lamination equipment which characterized in that: the battery cell laminating machine comprises a working platform, and a pole piece supply mechanism, a diaphragm unwinding mechanism, a lamination table mechanism, a battery cell stretching mechanism and a battery cell rubberizing mechanism which are positioned above the working platform;

2. A lithium battery lamination device as claimed in claim 1, wherein: lithium cell lamination equipment still include electric core unloading mechanism, electric core unloading mechanism is including being used for realizing the conveyer belt of conveying to electric core, the manipulator is used for shifting the electric core after the rubberizing to the conveyer belt.

3. A lithium battery lamination device as claimed in claim 1, wherein: the lamination table mechanism comprises a bottom plate, a lamination table, a support frame, a first claw pressing device and a second claw pressing device, wherein the support frame is fixed on the upper surface of the bottom plate;

4. A lithium battery lamination device as claimed in claim 3, wherein: a first vertical sliding rail is arranged on the supporting frame along the vertical direction, and the lifting sliding seat is slidably mounted on the first vertical sliding rail; a limiting fixed block is also fixedly arranged on the supporting frame, and an expansion spring is also arranged between the lifting sliding seat and the limiting fixed block;

5. A lithium battery lamination device as claimed in claim 3, wherein: the novel lithium battery lamination mechanism further comprises a lifting driving device, the lifting driving device is fixed on the bottom plate, the lamination table is fixed above the lifting driving device, and the lifting driving device is used for driving the lamination table to reciprocate in the vertical direction;

6. A lithium battery lamination device as claimed in claim 1, wherein: the pole piece supply mechanism comprises an upper support, a lower base, a first swing arm, a second swing arm, a third swing arm, a fourth swing arm, a power mechanism, a translation driving mechanism and a lifting and rotating driving mechanism;

7. A lithium battery lamination device as claimed in claim 6, wherein: the power mechanism comprises a servo motor, a first synchronous belt and a driving cam, an output wheel is installed at the top end of a motor shaft of the servo motor, a following wheel with the same axle center is fixedly installed on one side of the driving cam, and the first synchronous belt is sleeved between the output wheel and the following wheel;

8. A lithium battery pack stacking apparatus as claimed in claim 7, wherein: the translation driving mechanism comprises a second rotating shaft, a gear assembly, a synchronous belt wheel, an idler wheel, a translation synchronous belt, a guide rail connecting block and a translation guide rail;

9. A lithium battery lamination device as claimed in claim 1, wherein: the battery cell adhesive tape sticking mechanism comprises an adhesive supplying mechanism, an adhesive conveying mechanism and a rotating mechanism, wherein the adhesive supplying mechanism is fixed on the side wall of one side plate, the adhesive conveying mechanism is positioned below the adhesive supplying mechanism, the rotating mechanism is positioned on one side of the adhesive conveying mechanism, and the adhesive conveying mechanism is used for sticking the cut adhesive tape on the battery cell in the rotating mechanism;

10. A lithium battery lamination device as claimed in claim 9, wherein: the glue supply mechanism comprises a glue roller, a glue tape fixing seat, a second cylinder, a glue pressing tape seat, a third cylinder and a cutter mounting seat; the rubber roller and the roller are rotatably arranged on the side plate, the rubber roller is used for providing an adhesive tape, and the adhesive tape bypasses the roller; the lateral plate is fixedly provided with a horizontal sliding rail, the adhesive tape pressing seat and the cutter mounting seat are both slidably mounted on the horizontal sliding rail, the second cylinder and the third cylinder are both fixed on the lateral plate, the cylinder rod of the second cylinder is fixedly connected with the adhesive tape pressing seat, the cylinder rod of the third cylinder is fixedly connected with the cutter mounting seat, the cutter is arranged on the cutter mounting seat, and the adhesive feeding mechanism is arranged below the cutter mounting seat; the adhesive tape fixing seat is fixedly arranged on the side plate, and the lower end of the adhesive tape fixing seat is positioned between the cutter mounting seat and the adhesive tape pressing seat;