CN215880363U

CN215880363U - High-precision pole piece laser die cutting equipment

Info

Publication number: CN215880363U
Application number: CN202120355315.3U
Authority: CN
Inventors: 高洁; 白宫昊; 杨虹
Original assignee: Jiangsu Chaodian New Energy Technology Development Co ltd
Current assignee: Jiangsu Chaodian New Energy Technology Development Co ltd
Priority date: 2021-02-09
Filing date: 2021-02-09
Publication date: 2022-02-22
Anticipated expiration: 2031-02-09

Abstract

The utility model discloses high-precision pole piece laser die cutting equipment, which comprises a discharging mechanism, wherein a material placing bottom surface is arranged between a feeding mechanism and the discharging mechanism, a cutting base plate is arranged at the bottom of a clamping device, a dust suction fan is connected with a dust-proof opening on a dust cover through a dust-proof pipe, a material placing boss is arranged at the middle position of the material placing bottom surface, a square through hole is arranged at the bottom of the material placing boss, the feeding mechanism is connected with a discharging device, the discharging device is provided with an air expansion discharging shaft, a buffering mechanism is arranged at the bottom of a laser emission mechanism, the buffering mechanism comprises a buffering cabin, an elastic buffering part is arranged in the buffering cabin, the laser emission mechanism comprises a cutting nozzle, traction driving devices for driving the clamping device to move are arranged at two sides of the clamping device, a focusing mechanism is arranged on the cutting nozzle, the focusing mechanism comprises a focusing lens, and the cutting nozzle is movably sleeved with the focusing mechanism, the deviation correcting device comprises the limiting baffle arranged on the discharging roller, and the device effectively improves the stability and the dustproof effect of the equipment.

Description

High-precision pole piece laser die cutting equipment

Technical Field

The utility model relates to the technical field of battery pole piece die cutting, in particular to high-precision pole piece laser die cutting equipment.

Background

After the lithium ion battery pole piece is coated with slurry, dried and mixed and pressed, a three-layer composite structure of a current collector and two-side coatings is formed. Then, according to the design structure and specification of the battery, the pole piece needs to be cut again. Generally, for a wound battery, a pole piece is stripped according to a designed width, the battery is laminated, and the pole piece is correspondingly cut into pieces, wherein the current cutting modes comprise circular shear cutting, die cutting and laser cutting. Cutter abrasion problems exist in disc slitting and die cutting, which easily causes unstable process, leads to poor pole piece cutting quality and causes battery performance reduction. The laser cutting has the characteristics of high production efficiency and good process stability, and is industrially applied to cutting of lithium ion battery pole pieces, the basic principle is that a high-power-density laser beam is utilized to irradiate the cut battery pole pieces, so that the pole pieces are quickly heated to a high temperature, are quickly melted, vaporized, ablated or reach a burning point to form holes, and the holes continuously form slits with narrow width along with the movement of the light beam on the pole pieces to finish the cutting of the pole pieces, but the problems of poor cutting effect, difficulty in dust prevention, poor dust prevention effect and the like caused by instable equipment also occur in the laser cutting process.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems, the utility model discloses high-precision pole piece laser die cutting equipment which comprises a feeding mechanism, a discharging mechanism, a laser emitting mechanism, a clamping device, a dustproof unit, a buffer mechanism and a deviation correcting device, wherein the feeding mechanism comprises a feeding roller, the discharging mechanism comprises a discharging roller, a material placing bottom surface is arranged between the feeding mechanism and the discharging mechanism, the clamping device comprises a first clamping plate, a second clamping plate and a clamping piece, the clamping piece is used for clamping a pole piece, a cutting backing plate is arranged at the bottom of the clamping device and arranged on the upper layer of the material placing bottom surface, the cutting backing plate is used for collecting waste materials or dust on the material placing bottom surface, the clamping device is arranged right above the material placing bottom surface, the dustproof unit comprises a dust collection pipe, a dust collection box, a dust cover, a dust collection fan and an ion fan, the dust collection fan is connected with a dust prevention opening on the dust cover through the dust collection pipe, the other end of the dust collection fan is connected with the dust receiving box, a material placing boss is arranged in the middle of the material placing bottom surface, a square through hole is formed in the bottom of the material placing boss and comprises a first through hole and a second through hole, one end of the first through hole is connected with the ion fan and is connected with the material placing boss through the ion fan, the problems of dust adhesion and the like caused by static electricity in the pole piece cutting process can be solved, the feeding mechanism is connected with the discharging device, the discharging device is provided with an air expansion discharging shaft, pole piece materials are tightened when the air is inflated and exhausted through inflating and exhausting the air expansion discharging shaft, the effect that the pole piece materials are convenient to take down when the air is exhausted is achieved, the buffer mechanism is arranged at the bottom of the laser emission mechanism and comprises a buffer cabin, an elastic buffer part is arranged in the buffer cabin, and the stability of equipment can be effectively improved through the buffer mechanism, prevent that the waste material from falling the unstable problems such as equipment that causes and rock in cutting process, laser emission mechanism includes cutting nozzle, the drive arrangement that pulls that its removal of drive was installed to the clamping device both sides, cutting nozzle facial make-up is equipped with focusing mechanism, focusing mechanism includes a focus lens, cutting nozzle with focusing mechanism is movably cup jointed, deviation correcting device is including installing the limit baffle on the discharge roller, and limit baffle effectively solves the position skew problem that the pole piece material caused on the discharge roller, and furtherly, adorns on this equipment and establishes the dump bin, and the discharge roller is connected to the dump bin.

As an improvement of the utility model, the first clamping plate and the first clamping plate are oppositely arranged, a clamping bracket is arranged between the first clamping plate and the second clamping plate, and the first clamping plate and the second clamping plate are arranged on the traction driving device through the clamping bracket.

As an improvement of the utility model, the traction driving device is provided with a guide rail for moving the clamping device.

As an improvement of the utility model, the rubber strip is arranged on the guide rail, and the rubber strip increases the friction force of the clamping device in the moving process and increases certain moving resistance.

As an improvement of the utility model, the buffer mechanism is connected with the laser emission mechanism through a fixed seat, the buffer mechanism is positioned at the bottom of the fixed seat, and the laser emission mechanism is positioned above the fixed seat.

As an improvement of the present invention, the laser emitting mechanism includes a fiber laser.

As an improvement of the utility model, the dust cover is composed of glass blocking pieces, is arranged at a position right opposite to the cutting nozzle and is positioned between the cutting nozzle and the feeding roller and between the cutting nozzle and the discharging roller.

As an improvement of the utility model, the dust suction unit is provided with a plurality of control valves.

The utility model has the beneficial effects that: the equipment provided by the utility model comprises a feeding mechanism, a discharging mechanism, a laser emission mechanism, a clamping device, a dustproof unit, a buffering mechanism and a deviation correcting device, wherein the dustproof unit can effectively improve the dustproof effect of die cutting equipment, an internal ion fan is connected with a material placing boss, the problems of dust adhesion and the like caused by static electricity in the cutting process of a pole piece can be solved, the feeding mechanism is connected with the material placing device, the material placing device is provided with an air expansion material placing shaft, by inflating and exhausting the air-inflated discharging shaft, the effects of tightening the pole piece materials during inflation and releasing the pole piece materials during air exhaust are achieved, buffering mechanism installs the bottom position of establishing at laser emission mechanism, buffering mechanism includes the surge tank, and the surge tank is inside to be installed flexible buffer spare, and buffer mechanism can effectively promote the stability of equipment, prevents unstable problems such as the equipment that causes that the waste material falls to rock in the cutting process.

Drawings

FIG. 1 is a top view of the die cutting apparatus of the present invention.

Fig. 2 is a structural side view of the die cutting equipment of the utility model.

FIG. 3 is a schematic view of the structure of the discharging device of the present invention.

List of reference numerals: the device comprises a feeding mechanism 1, a discharging mechanism 2, a laser emission mechanism 3, a clamping device 4, a dustproof unit 5, a buffer mechanism 6, a deviation correcting device 7, a material placing bottom surface 8, a first clamping plate 9, a second clamping plate 10, a clamping piece 11, a cutting base plate 12, a material placing boss 13, a dust suction pipe 14, a dust collection box 15, a dust cover 16, a dust suction fan 17, an ion fan 18, a first through hole 19, a material placing device 20, a buffer cabin 21, an elastic buffer piece 22, a traction driving device 23, a clamping support 24 and a guide rail 25.

Detailed Description

The present invention will be further illustrated with reference to the accompanying drawings and specific embodiments, which are to be understood as merely illustrative of the utility model and not as limiting the scope of the utility model.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention; furthermore, unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, as they may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b): the equipment comprises a feeding mechanism 1, a discharging mechanism 2, a laser emitting mechanism 3, a clamping device 4, a dustproof unit 5, a buffering mechanism 6 and a deviation correcting device 7, wherein the feeding mechanism 1 comprises a feeding roller, the discharging mechanism 2 comprises a discharging roller, a material placing bottom surface 8 is arranged between the feeding mechanism 1 and the discharging mechanism 2, the clamping device 4 comprises a first clamping plate 9, a second clamping plate 10 and a clamping piece 11, a cutting backing plate 12 is arranged at the bottom of the clamping device 4, the clamping device 4 is arranged at a position right above the material placing bottom surface 8, the dustproof unit 5 comprises a dust suction pipe 14, a dust collection box 15, a dust cover 16, a dust suction fan 17 and an ion fan 18, the dust suction fan 17 is connected with a dustproof opening on the dust cover 16 through the dust pipe, a material placing boss 13 is arranged at the middle position of the material placing bottom surface 8, a square through hole is arranged at the bottom of the material placing boss 13, the square thru hole includes first thru hole 19 and second thru hole, 19 one end in first thru hole is connected with ion fan 18, feeding mechanism 1 connects blowing device 20, a physiosis blowing axle has been installed to blowing device 20, buffer gear 6 is installed in laser emission mechanism 3's bottom position, buffer gear 6 includes surge tank 21, and the inside elastic buffer piece 22 of having installed of surge tank 21, laser emission mechanism 3 includes the cutting nozzle, its removal of drive traction drive device 23 is installed to clamping device both sides, the cutting nozzle facial make-up is equipped with focusing mechanism, focusing mechanism includes a focus lens, the cutting nozzle with focusing mechanism movably cup joints, deviation correcting device 7 is including installing the limit baffle on the exit roller.

Based on a modification of the above embodiment, the first clamping plate 9 and the first clamping plate 9 are installed oppositely, a clamping bracket 24 is installed between the first clamping plate 9 and the second clamping plate 10, and the first clamping plate 9 and the second clamping plate 10 are installed on the traction driving device 23 through the clamping bracket 24.

Based on a modification of the above embodiment, the traction drive 23 is provided with a guide rail 25 for movement of the clamping device.

Based on a modification of the above embodiment, the guide rail 25 is provided with a rubber strip.

Based on an improvement of above-mentioned embodiment, buffer gear 6 is connected through the fixing base with laser emission mechanism 3, and buffer gear 6 is located the bottom position of fixing base, and laser emission mechanism 3 is located the top of fixing base.

Based on a modification of the above embodiment, the laser emitting mechanism 3 includes a fiber laser.

Based on an improvement of the above embodiment, the dust cover 16 is composed of glass blocking pieces, is installed at the position right facing the cutting nozzle, and is located between the cutting nozzle and the feeding roller and the discharging roller.

Based on the improvement of the embodiment, the dust collection unit is provided with a plurality of control valves.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various modifications can be made to the embodiments described in the foregoing embodiments, or some or all of the technical features of the embodiments can be equivalently replaced, and the modifications or the replacements do not make the essence of the corresponding technical solutions depart from the scope of the embodiments of the present invention.

Claims

1. The utility model provides a high accuracy pole piece laser cross cutting equipment, a serial communication port, equipment includes pan feeding mechanism (1), discharge mechanism (2), laser emission mechanism (3), clamping device (4), dustproof unit (5), buffer gear (6), deviation correcting device (7), pan feeding mechanism (1) includes a feeding roller, discharge mechanism (2) includes a discharge roller, has installed between pan feeding mechanism (1) and discharge mechanism (2) and has put material bottom surface (8), clamping device (4) include first splint (9), second splint (10) and holder (11), cutting backing plate (12) have been installed to clamping device (4) bottom, and clamping device (4) are installed in the position directly over putting material bottom surface (8), dustproof unit (5) including dust absorption pipe (14), receipts dirt case (15), dust cover (16), A dust collection fan (17) and an ion fan (18), wherein the dust collection fan (17) is connected with a dust port on a dust cover (16) through a dust collection pipe (14), a material placing boss (13) is arranged at the middle position of a material placing bottom surface (8), a square through hole is formed in the bottom of the material placing boss (13), the square through hole comprises a first through hole (19) and a second through hole, one end of the first through hole (19) is connected with the ion fan (18), the feeding mechanism (1) is connected with a material placing device (20), the material placing device (20) is provided with an air expansion material placing shaft, the buffer mechanism (6) is arranged at the bottom of the laser emission mechanism (3), the buffer mechanism (6) comprises a buffer cabin (21), an elastic member (22) is arranged in the buffer cabin (21), the laser emission mechanism (3) comprises a cutting nozzle, and traction driving devices (23) for driving the clamping device (4) to move are arranged on two sides, the cutting nozzle facial make-up is equipped with focusing mechanism, focusing mechanism includes a focus lens, the cutting nozzle with the movably cup joint of focusing mechanism, deviation correcting device (7) are including installing the limit baffle on the ejection of compact roller.

2. The high-precision pole piece laser die-cutting equipment is characterized in that the first clamping plate (9) and the second clamping plate (10) are oppositely arranged, a clamping bracket (24) is arranged between the first clamping plate (9) and the second clamping plate (10), and the first clamping plate (9) and the second clamping plate (10) are arranged on the traction driving device (23) through the clamping bracket (24).

3. The high-precision pole piece laser die-cutting equipment is characterized in that a guide rail (25) for moving the clamping device (4) is arranged on the traction driving device (23).

4. A high precision pole piece laser die cutting equipment according to claim 3 is characterized in that the guide rail (25) is provided with a rubber strip.

5. The high-precision pole piece laser die cutting equipment is characterized in that the buffer mechanism (6) is connected with the laser emission mechanism (3) through a fixed seat, the buffer mechanism (6) is located at the bottom of the fixed seat, and the laser emission mechanism (3) is located above the fixed seat.

6. A high precision pole piece laser die cutting equipment according to claim 5 is characterized in that the laser emission mechanism (3) comprises a fiber laser.

7. The laser die-cutting equipment for the high-precision pole pieces as claimed in claim 1, wherein the dust cover (16) is composed of a glass baffle, is arranged at a position right facing the cutting nozzle, and is positioned between the cutting nozzle and the feeding roller and the discharging roller.

8. The high-precision pole piece laser die-cutting equipment is characterized in that a plurality of control valves are arranged on the dustproof unit (5).