CN218695054U

CN218695054U - Pole piece laser cutting machine

Info

Publication number: CN218695054U
Application number: CN202222788747.0U
Authority: CN
Inventors: 黄胜武; 严海宏; 李华杰; 李昌涛
Original assignee: Dongguan Yakang Precision Machinery Co Ltd
Current assignee: Dongguan Yakang Precision Machinery Co Ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-03-24
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a pole piece laser guillootine, include the pole piece that sets gradually along the pole piece tape transport direction and unreel the subassembly, flat roller assembly of exhibition, splicing platform subassembly, first tension roller subassembly, tension structure subassembly, first traction drive assembly, second tension roller subassembly, the subassembly of rectifying of marcing, storage component, the second pulls drive assembly and cut-parts platform mechanism, the pole piece unreels the automation that subassembly and exhibition flat roller subassembly accomplished the pole piece and unreels, through first tension roller subassembly and tension structure subassembly behind splicing platform subassembly, first traction drive assembly provides power and through second tension roller subassembly when walking the area for the pole piece, then go ahead to rectify the pole piece through the subassembly of rectifying of marcing, storage component provides tension when marcing for the pole piece and adjusts and the storage, the second pulls drive assembly and gives power and pulls pole piece to cut-parts platform mechanism. The utility model discloses a laser cuts the mode, and is more stable, and cleans the dust absorption when the pole piece cuts, effectively guarantees the pole piece quality.

Description

Pole piece laser cutting machine

Technical Field

The utility model relates to a lithium cell field, concretely relates to pole piece laser guillootine.

Background

Lithium batteries are widely applied to industries such as notebook computers, electric tools, new energy automobiles and the like, and with the development of the industries, the demand of the lithium batteries is continuously increased, but the requirements on the lithium batteries are higher and higher. At present, the manufacturing of a lithium battery cell is performed by automatic processing of cell sheet-making and winding equipment, and the lithium battery cell is mainly manufactured by stacking a positive pole piece, a negative pole piece and a diaphragm according to a certain sequence and then performing winding and rubberizing treatment through the cooperation of a winding head, a pole piece feeding device, a diaphragm cutting device, a rubberizing device and the like. The cutting of the pole piece is one of important processes in the winding process of the lithium battery cell, and the cutting of the pole piece is mainly performed through a pole piece cutting mechanism of a pole piece feeding device. The current pole piece cuts the mechanism and cuts the pole piece through actuating mechanism drive cutter, and assist with guiding axle and guiding axle sleeve and lead to the removal of cutter, however, because there is the fit clearance between guiding axle and the guiding axle sleeve, make the cutter rock easily by the drive removal in-process, lead to cutting the pole piece when, be difficult to form effectual shearing section between this cutter and the fixed cutter, it is uncertain to cause the pole piece to cut the position on the pole piece cuts the mechanism, the pole piece incision burr after cutting is many, and there is the dust production cutting the in-process, seriously influence the quality of lithium battery electricity core.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art not enough, provide a pole piece laser guillootine.

The technical scheme of the utility model as follows:

the utility model provides a pole piece laser guillootine, include that the pole piece that sets gradually along the pole piece tape running direction unreels the subassembly, it rolls the flat roller assembly to open up, the joint platform subassembly, first tension roller subassembly, tension structure subassembly, first traction drive subassembly, second tension roller subassembly, the subassembly of rectifying a deviation, the storage subassembly, second traction drive subassembly and cut-parts platform mechanism advance, the pole piece unreels the automation of pole piece and the automation of flattening roller subassembly completion pole piece and unreels, through first tension roller subassembly and tension structure subassembly behind the joint platform subassembly, carry out real-time tension detection and tension adjustment to the pole piece of walking, first traction drive subassembly provides power and passes through second tension roller subassembly when walking for the pole piece, carry out tension real-time detection on next step for the pole piece, then walk the subassembly of rectifying a deviation to the pole piece through advancing, the storage subassembly provides tension adjustment and storage when walking for the pole piece, the second traction drive subassembly gives power and pulls to cut-parts platform mechanism.

Furthermore, an unwinding deviation rectifying detection assembly is further arranged between the flattening roller assembly and the belt splicing platform assembly.

Furthermore, a deviation rectifying and detecting assembly is arranged between the deviation rectifying assembly and the material storage assembly.

Further, cut-parts platform mechanism includes laser cut-parts subassembly, adsorption platform subassembly, gets material subassembly, unloading subassembly and waste material box subassembly, the input butt joint pole piece walking belt of adsorption platform subassembly, laser cut-parts subassembly is located the top of adsorption platform subassembly, it sets up output one side at the adsorption platform subassembly to get the material subassembly, unloading subassembly, waste material box subassembly are located the below of getting the material subassembly.

Further, the adsorption platform subassembly includes adsorption platform, first side suction hood movable assembly, second side suction hood movable assembly, the fixed subassembly of side suction hood and lower suction hood subassembly, first side suction hood movable assembly, second side suction hood movable assembly set up the relative both sides of walking the tape direction at the adsorption platform pole piece, the fixed subassembly of side suction hood sets up the one side at adsorption platform along walking the pole piece tape direction to and form the clearance that supplies the pole piece to walk the tape between the adsorption platform, lower suction hood subassembly sets up the bottom at adsorption platform, first side suction hood movable assembly, second side suction hood movable assembly, side suction hood fixed assembly communicate with lower suction hood subassembly through the dust absorption pipeline respectively.

Furthermore, the first side dust hood movable assembly is composed of a first side dust hood and a first telescopic cylinder, the first side dust hood is arranged on a cylinder shaft of the first telescopic cylinder, the second side dust hood movable assembly is composed of a second side dust hood and a second telescopic cylinder, the second side dust hood is arranged on a cylinder shaft of the second telescopic cylinder, and the first side dust hood and the second side dust hood are close to or far away from the adsorption platform under the action of the first telescopic cylinder and the second telescopic cylinder.

Furthermore, adsorption platform includes platform bottom plate, first adsorption plate, second adsorption plate and third adsorption plate, first adsorption plate, second adsorption plate, third adsorption plate set gradually on the platform bottom plate along the width direction of pole piece tape transport, one side of platform bottom plate is provided with first negative pressure and adsorbs exhaust joint, second negative pressure and adsorbs exhaust joint and third negative pressure and adsorb exhaust joint, first negative pressure adsorbs exhaust joint and first adsorption plate intercommunication, second negative pressure adsorbs exhaust joint and second adsorption plate intercommunication, third negative pressure adsorbs exhaust joint and third adsorption plate intercommunication.

Furthermore, the platform bottom plate is provided with an accommodating cavity, and the first adsorption plate, the second adsorption plate and the third adsorption plate are sequentially arranged in the accommodating cavity along the width direction of the pole piece moving belt.

Furthermore, the accommodating cavity is reserved with a clearance groove for laser cutting according to the shape and specification of the pole piece lug.

Furthermore, waist-shaped holes are reserved on the first adsorption plate, the second adsorption plate and the third adsorption plate.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a laser mode of cutting, it is more stable, have characteristics such as the precision is high, fast, the burr is little, and clean the dust absorption when the pole piece cuts, effectively guarantee the pole piece quality. When the pole piece is carried to the adsorption platform, the pole piece is sucked through vacuum negative pressure, the pole piece is prevented from running when laser cutting is carried out, meanwhile, the first side dust hood of the first side dust hood movable assembly and the second side dust hood movable assembly is combined with the side dust hood fixing assembly, dust generated on the periphery of the pole piece when the laser cutting is carried out is sucked, the dust is collected to the lower dust hood assembly through a dust suction pipeline and then discharged to the outside of equipment, the first side dust hood and the second side dust hood are far away from each other after the cutting is carried out, the collision between the cut pole piece and the first side dust hood and the second side dust hood when the cut pole piece is grabbed to the lower dust assembly by the material taking assembly is prevented, the material taking assembly adopts a high-precision mechanical arm, the positioning is accurate, the response speed is high, the cut pole piece and the waste material can be simultaneously carried away together, the cut pole piece is placed in a material box of the cutting assembly, the waste material is placed in the waste material assembly, the time can be saved for production, the production efficiency is improved, when the pole piece is carried out, the first side dust hood, the movable assembly and the dust hood is capable of reducing the dust hood, the dust hood is capable of effectively and the dust hood is capable of reducing the dust collecting box, and the dust collecting box is good in-collecting effect of effectively and the dust collecting box. The pole piece laser cutting machine is simple, compact and reliable in overall structure, small in size and free of occupying too large space on the premise of meeting the production process.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a plan view of a pole piece laser cutting machine provided by the present invention;

fig. 2 is a front view of the adsorption platform assembly of the present invention;

fig. 3 is a side view of the adsorption platform assembly of the present invention;

fig. 4 is a perspective view of the adsorption platform assembly of the present invention;

fig. 5 is a perspective view of the adsorption platform of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In order to explain the technical solution of the present invention, the following description is made by using specific examples.

Examples

The embodiment provides a pole piece laser cutting machine, which can realize functions of pole piece cutting, tab die cutting, tape detection, dust removal, material collection and blanking, please refer to fig. 1, the pole piece laser cutting machine comprises a pole piece unwinding assembly 1, a flattening roller assembly 2, an unwinding deviation-rectifying detection assembly 3, a tape splicing platform assembly 4, a first tension roller assembly 5, a tension structure assembly 6, a first traction driving assembly 7, a second tension roller assembly 8, a traveling deviation-rectifying assembly 9, a traveling deviation-rectifying detection assembly 10, a storage assembly 11, a second traction driving assembly 12 and a cutting platform mechanism 13, wherein the cutting platform mechanism 13 comprises a laser cutting assembly 131, an adsorption platform assembly 132, a material taking assembly 133, a blanking assembly 134 and a waste material box assembly 135, an input end of the adsorption platform assembly 132 is connected with a pole piece, the laser cutting assembly 131 is located above the adsorption platform assembly 132, the material taking assembly 133 is arranged on one side of an output end of the adsorption platform assembly 132, the blanking assembly 134 and the waste material box assembly 135 are located below the material taking assembly 133.

The working process is as follows: the pole piece unreeling component 1 and the flattening roller component 2 complete automatic unreeling of pole pieces, and feed back to the pole piece unreeling component 1 through the roller and unreeling deviation rectifying detection component 3 to perform automatic deviation rectifying of the pole pieces, the pole pieces which are fed through the belt connecting platform component 4 pass through the first tension roller component 5 and the tension structure component 6 to perform real-time tension detection and tension regulation on the pole pieces, so that smoothness of pole piece feeding is guaranteed, the first traction driving component 7 provides power for pole piece feeding and passes through the second tension roller component 8 to perform next tension real-time detection on the pole pieces, then the pole pieces on the laser cutting component 131 and the advancing deviation rectifying detection component 10 perform advancing deviation rectifying on the pole pieces, the storage component 11 provides tension regulation and storage for the pole pieces when the pole pieces advance, the pole pieces pass through the two rollers and pass through the second traction driving component 12, the second traction driving component 12 provides power to the cutting platform mechanism 13, the pole pieces on the cutting platform component 132 are cut according to process requirements, then the material taking component 133 respectively takes the cut pole pieces and the cut pieces together, the cut pieces are placed in a certain amount of the cutting box, and then the cut pieces are placed in a manual feeding box 135.

Specifically, as shown in fig. 2 to 4, the adsorption platform assembly 132 includes an adsorption platform 1321, a first side suction hood movable assembly 1322, a second side suction hood movable assembly 1323, a side suction hood fixed assembly 1324, and a lower suction hood assembly 1325, the first side suction hood movable assembly 1322 and the second side suction hood movable assembly 1323 are disposed on opposite sides of the adsorption platform 1321 in the pole piece traveling direction, the side suction hood fixed assembly 1324 is disposed on one side of the adsorption platform 1321 along the pole piece traveling direction, and forms a gap for the pole piece to travel with the adsorption platform 1321, the lower suction hood assembly 1325 is disposed at the bottom of the adsorption platform 1321, and the first side suction hood movable assembly 1322, the second side suction hood movable assembly 1323, and the side suction hood fixed assembly 1324 are respectively communicated with the lower suction hood assembly 1325 through dust suction ducts.

The first side dust hood movable assembly 1322 is composed of a first side dust hood 13221 and a first telescopic cylinder 13222, the first side dust hood 13221 is arranged on a cylinder shaft of the first telescopic cylinder 13222, the second side dust hood movable assembly 1323 is composed of a second side dust hood 13231 and a second telescopic cylinder 13232, the second side dust hood 13231 is arranged on a cylinder shaft of the second telescopic cylinder 13232, and the first side dust hood 13221 and the second side dust hood 13231 are close to or far away from each other toward the adsorption platform 1321 under the action of the first telescopic cylinder 13222 and the second telescopic cylinder 32.

As shown in fig. 5, the adsorption platform 1321 includes a platform bottom plate 13211, a first adsorption plate 13212, a second adsorption plate 13213, and a third adsorption plate 13214, the platform bottom plate 13211 is provided with an accommodating cavity, the first adsorption plate 13212, the second adsorption plate 13213, and the third adsorption plate 13214 are sequentially disposed in the accommodating cavity along the width direction of the pole piece moving belt, one side of the platform bottom plate 13211 is provided with a first negative pressure adsorption exhaust joint 13215, a second negative pressure adsorption exhaust joint 13216, and a third negative pressure adsorption exhaust joint 13217, the first negative pressure adsorption exhaust joint 13215 is communicated with the first adsorption plate 13212, the second negative pressure adsorption exhaust joint 13216 is communicated with the second adsorption plate 13213, and the third negative pressure adsorption exhaust joint 13217 is communicated with the third adsorption plate 13214.

The holding cavity reserves a clearance groove 13218 for laser cutting according to the shape and specification of the pole piece lug, so that the damage to the adsorption platform during laser cutting can be effectively avoided, and the service life of the adsorption platform is prolonged.

Waist-shaped holes 13219 are reserved on the first adsorption plate 13212, the second adsorption plate 13213 and the third adsorption plate 13214, and the first adsorption plate 13212, the second adsorption plate 13213 and the third adsorption plate 13214 can be properly adjusted through the waist-shaped holes 13219 to adapt to the specification and shape difference of the pole lugs without replacing the adsorption platform 1321, so that the production cost is greatly reduced.

The working principle is as follows: when the pole piece is brought to the adsorption platform 1321, the pole piece is sucked through vacuum negative pressure, the pole piece is prevented from running during laser cutting, meanwhile, the first side dust hood movable assembly 1322 and the first side dust hood 13221 and the second side dust hood 13231 of the second side dust hood movable assembly 1323 are close to each other toward the adsorption platform 1321, the side dust hood fixing assembly 1324 is combined to suck dust generated on the periphery of the pole piece during laser cutting, the dust is collected to the lower dust hood assembly 1325 by a dust suction pipeline and then is discharged to the outside of the equipment, the first side dust hood 13221 and the second side dust hood 13231 are far away from each other after cutting, and collision between the cut pole piece and the first side dust hood 13221 and the second side dust hood 13231 when the material taking assembly 133 grabs the cut pole piece to the blanking assembly 134 is prevented.

In order to adapt to the pole lugs with different specifications and shapes, the first side dust hood movable assembly 1322, the second side dust hood movable assembly 1323 and the side dust hood fixing assembly 1324 can also be designed to be manually adjusted in left and right positions or adjusted in up and down angles of the dust suction opening, so that the pole lug cleaning machine is more diversified and humanized.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a pole piece laser guillootine which characterized in that: the automatic pole piece unwinding and storing device comprises a pole piece unwinding assembly, a flattening roller assembly, a splicing platform assembly, a first tension roller assembly, a tension structure assembly, a first traction driving assembly, a second tension roller assembly, a traveling deviation rectifying assembly, a storing assembly, a second traction driving assembly and a cutting piece platform mechanism, wherein the pole piece unwinding assembly and the flattening roller assembly finish automatic unwinding of a pole piece, the pole piece passes through the first tension roller assembly and the tension structure assembly after passing through the splicing platform assembly, real-time tension detection and tension regulation are carried out on the pole piece in a traveling process, the first traction driving assembly provides power for the pole piece in a traveling process and passes through the second tension roller assembly, next-step tension real-time detection is carried out on the pole piece, then the traveling deviation rectifying assembly advances the pole piece, the storing assembly provides tension regulation and storing for the pole piece in a traveling process, and the second traction driving assembly provides power for the pole piece to be pulled to the cutting piece platform mechanism.

2. The pole piece laser cutting machine according to claim 1, characterized in that: an unwinding deviation-rectifying detection assembly is further arranged between the flattening roller assembly and the belt splicing platform assembly.

3. The pole piece laser guillotine of claim 1, wherein: and a traveling deviation rectifying detection assembly is also arranged between the traveling deviation rectifying assembly and the material storage assembly.

4. The pole piece laser guillotine of claim 1, wherein: cut-parts platform mechanism includes laser cut-parts subassembly, adsorption platform subassembly, gets material subassembly, unloading subassembly and waste material box subassembly, the input butt joint pole piece walking belt of adsorption platform subassembly, the laser cut-parts subassembly is located the top of adsorption platform subassembly, it sets up in output one side of adsorption platform subassembly to get the material subassembly, unloading subassembly, waste material box subassembly are located the below of getting the material subassembly.

5. The pole piece laser guillotine of claim 4, wherein: the adsorption platform subassembly includes adsorption platform, first side suction hood movable assembly, second side suction hood movable assembly, the fixed subassembly of side suction hood and lower suction hood subassembly, first side suction hood movable assembly, second side suction hood movable assembly set up the relative both sides of walking the tape direction at the adsorption platform pole piece, the fixed subassembly of side suction hood sets up the one side at adsorption platform along the pole piece walking the tape direction to and form the clearance that supplies the pole piece to walk the tape between the adsorption platform, the dust hood subassembly sets up the bottom at adsorption platform down, first side suction hood movable assembly, second side suction hood movable assembly, the fixed subassembly of side suction hood communicate with lower suction hood subassembly through the dust absorption pipeline respectively.

6. The pole piece laser guillotine of claim 5, wherein: the first side dust hood movable assembly is composed of a first side dust hood and a first telescopic cylinder, the first side dust hood is arranged on a cylinder shaft of the first telescopic cylinder, the second side dust hood movable assembly is composed of a second side dust hood and a second telescopic cylinder, the second side dust hood is arranged on a cylinder shaft of the second telescopic cylinder, and the first side dust hood and the second side dust hood are close to or far away from each other towards the adsorption platform under the action of the first telescopic cylinder and the second telescopic cylinder.

7. The pole piece laser guillotine of claim 5, wherein: the adsorption platform comprises a platform bottom plate, a first adsorption plate, a second adsorption plate and a third adsorption plate, wherein the first adsorption plate, the second adsorption plate and the third adsorption plate are sequentially arranged on the platform bottom plate along the width direction of a pole piece moving belt, a first negative pressure adsorption exhaust joint, a second negative pressure adsorption exhaust joint and a third negative pressure adsorption exhaust joint are arranged on one side of the platform bottom plate, the first negative pressure adsorption exhaust joint is communicated with the first adsorption plate, the second negative pressure adsorption exhaust joint is communicated with the second adsorption plate, and the third negative pressure adsorption exhaust joint is communicated with the third adsorption plate.

8. The pole piece laser cutting machine according to claim 7, wherein: the platform bottom plate is provided with a containing cavity, and the first adsorption plate, the second adsorption plate and the third adsorption plate are sequentially arranged in the containing cavity along the width direction of the pole piece moving belt.

9. The pole piece laser guillotine of claim 8, wherein: the accommodating cavity is reserved with a clearance groove for laser cutting according to the shape and specification of the pole lug of the pole piece.

10. The laser guillotine for pole pieces according to claim 7 or 8, characterized in that: waist-shaped holes are reserved on the first adsorption plate, the second adsorption plate and the third adsorption plate.