CN217797815U

CN217797815U - Cleaning device and battery pole piece processing equipment with same

Info

Publication number: CN217797815U
Application number: CN202221766520.XU
Authority: CN
Inventors: 胡虞根
Original assignee: Sunwoda Electric Vehicle Battery Co Ltd
Current assignee: Xinwangda Power Technology Co ltd
Priority date: 2022-07-06
Filing date: 2022-07-06
Publication date: 2022-11-15
Anticipated expiration: 2032-07-06

Abstract

The utility model relates to a battery pole piece processing technology field, concretely relates to belt cleaning device and have its battery pole piece processing equipment. A cleaning device, comprising: the laser emission mechanism can emit laser to the surface of the roller to be cleaned and form a target part on the surface of the roller to be cleaned; and the negative pressure mechanism is arranged on the side part of the laser emission mechanism and is provided with an opening facing the roller to be cleaned so as to absorb powder on the surface of the roller to be cleaned. The utility model provides a belt cleaning device and have its battery sheet processing equipment that cleaning performance is good, with lower costs.

Description

Cleaning device and battery pole piece processing equipment with same

Technical Field

The utility model relates to a battery sheet processing technology field, concretely relates to belt cleaning device and have its battery sheet processing equipment.

Background

The rolling is an important link in the manufacturing process of the battery pole piece, and is generally arranged after a coating process and before a slide loading process and is completed by a double-roller mill. When the pole piece is cold-pressed, the pole piece material can be stuck on the roller and is not easy to clean, so that the pole piece is more stuck, the rolling quality of the pole piece is influenced, and the roller needs to be cleaned regularly. The current cleaning methods include: the roller is wiped manually after the machine is stopped, so that the working efficiency is low, the utilization rate of equipment is low, and potential safety hazards exist; the scraper is adopted for scraping firstly, and then the non-woven fabric is soaked with water or other solvents for wiping, so that the scraper needs to be frequently replaced, the roller is easily scratched by the scraper, and the wiping effect is general; adopt novel release agent to spray earlier on the non-woven fabrics, cover the roll again on, form film isolation roll and pole piece to play the effect of non-stick roller, but the pole piece has the release agent to remain, causes certain influence to the product, and use cost is higher.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming at least one defect among the prior art to a belt cleaning device and have its battery pole piece processing equipment that cleaning performance is good, the cost is lower is provided.

In order to solve the technical problem, the utility model provides a belt cleaning device for wait on the cleaning battery pole piece processing equipment and wash the roll, include:

the laser emission mechanism can emit laser to the surface of the roller to be cleaned and form a target part on the surface of the roller to be cleaned;

and the negative pressure mechanism is arranged on the side part of the laser emission mechanism and is provided with an opening facing the roller to be cleaned so as to absorb powder on the surface of the roller to be cleaned.

Optionally, the negative pressure mechanisms are respectively arranged at two opposite sides of the laser emission mechanism, and openings of the two negative pressure mechanisms are both arranged towards the target portion.

Optionally, the device further comprises a driving mechanism for driving the laser emission mechanism to reciprocate along the axial direction of the roller to be cleaned.

Optionally, the driving mechanism includes a first lead screw and a servo motor in transmission connection with the first lead screw, the first lead screw is provided with a first seat body which moves axially under the driving of the first lead screw, and the laser emitting mechanism is mounted on the first seat body.

Optionally, a focal length adjusting mechanism for adjusting the focal position of the laser emitting mechanism is further included.

Optionally, the focal length adjustment mechanism includes a second lead screw rotatably mounted on the first base body around its axis, an adjustment member disposed at an end of the second lead screw, and a second base body disposed on the second lead screw and driven by the second lead screw to move axially, and the laser emission mechanism is disposed on the second base body.

The battery pole piece processing equipment comprises at least one roller to be cleaned, and the cleaning device is arranged on the side part of the roller to be cleaned.

Optionally, the cleaning device further comprises a wiping mechanism, wherein the wiping mechanism comprises a pressing mechanism and a wiping piece detachably mounted on the pressing mechanism, the pressing mechanism is arranged on the side part of the surface of the roller to be cleaned, and a gap allowing the wiping piece to pass through is reserved between the pressing mechanism and the surface of the roller to be cleaned.

Optionally, the pressing mechanism comprises a telescopic structure and pressing rods axially parallel to the roller to be cleaned, the pressing rods are arranged at the telescopic ends of the telescopic structure, the telescopic direction of the telescopic structure is intersected with the axis of the roller to be cleaned, and the wiping part is wound on the two pressing rods.

Optionally, the cleaning device and the wiping mechanism are arranged on the roll outlet side of the roll to be cleaned.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a cleaning device, when needs wash the roll surface, only need laser emission mechanism orientation to treat and wash roll surface emission laser, laser is beated and is being treated the position formation target portion on washing roll surface, the powder of adhesion absorbs laser beam's energy on the target portion, form the plasma of rapid expansion, and produce the shock wave, the shock wave makes the powder around the target portion also hit the bits of broken glass, break away from the roll surface, and then absorb the collection by negative pressure mechanism, thereby play the cleaning action, secondary pollution has been avoided, good cleaning effect, low cost.

2. The utility model provides a belt cleaning device, laser emission mechanism are along waiting to wash roll axial reciprocating motion under actuating mechanism's effect, and the roll is constantly rotating simultaneously to the realization is to the all-round washing on roll surface, has further improved the cleaning performance.

3. The utility model provides a cleaning device, after laser cleaning accomplishes, wiper mechanism cleans roll surface under hold-down mechanism's effect to further clear away the dust that leaves over roll surface, guarantee the cleaning performance.

Drawings

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

Fig. 1 is a schematic view illustrating a connection between a laser emitting mechanism and a negative pressure mechanism provided by the present invention;

FIG. 2 is a schematic view of the laser emitting mechanism coupled to the driving mechanism;

FIG. 3 is an enlarged schematic view of the drive mechanism of section A of FIG. 2;

FIG. 4 is a schematic view of a focus adjustment mechanism;

FIG. 5 is a schematic view of a hold-down mechanism;

FIG. 6 is a schematic diagram of a battery pole piece processing apparatus.

Description of the reference numerals:

1. a laser emitting mechanism; 2. a negative pressure mechanism; 3. a first seat body; 4. a second lead screw; 5. an adjustment member; 6. a second seat body; 7. a second slide rail; 8. a second bearing housing; 9. a first lead screw; 10. a servo motor; 11. a mounting seat; 12. a first slide rail; 13. a first bearing housing; 14. a first synchronization wheel; 15. a second synchronizing wheel; 16. a connecting rod; 17. a pressure lever; 18. a cylinder; 19. mounting blocks; 20. an upper roller; 21. a lower roller; 22. pole pieces; 23. pulling out the swing roller; 24. drawing out the tension roller; 25. and (4) discharging and pulling the steel wire through a roller.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 6, the specific embodiment of the battery pole piece processing apparatus includes two rollers (i.e. rollers to be cleaned) arranged up and down in a frame, the two rollers are an upper roller 20 and a lower roller 21, the exit side of the rollers further includes an exit-pulling roller 25, an exit-pulling tension roller 24 and an exit-pulling swing roller 23 sequentially arranged along the processing direction of the pole piece 22, the pole piece 22 passes through a gap between the two rollers to be cleaned, and is sequentially overlapped on the exit-pulling roller 25, the exit-pulling tension roller 24 and the exit-pulling swing roller 23.

The cleaning device shown in the figures 1 to 5 is arranged on the roll outlet side of the upper roll 20 and the lower roll, the cleaning device comprises a laser emitting mechanism 1 and at least one negative pressure mechanism 2, the target part of the laser emitting mechanism 1 is positioned on the surface of the roll to be cleaned, the laser emitting mechanism 1 emits laser to the surface of the roll to be cleaned and forms a target part on the surface of the roll to be cleaned, powder on the target part absorbs laser energy to generate plasma and generates shock waves, and meanwhile, the powder near the target part is crushed and separated from the surface of the roll to be cleaned; the negative pressure mechanism 2 is provided with an opening facing the roller to be cleaned so as to absorb the powder after separation, thereby cleaning the roller and avoiding pollution.

Because the width of the roller is large and the cleaning width of the laser at the same time is limited, the embodiment is also provided with a driving mechanism for driving the laser emitting mechanism 1 to axially reciprocate along the roller to be cleaned. As shown in fig. 2 and 3, the driving mechanism includes a first lead screw 9 connected to the first seat 3, a synchronous wheel set connected to the first lead screw 9, and a servo motor 10 connected to the synchronous wheel set. The first lead screw 9 is sleeved with a lead screw nut, the lead screw nut is fixed at the bottom of the first base body 3, the first lead screw 9 is parallel to a roller and is installed on the installation base 11, the installation base 11 is fixedly installed with the rack, two opposite sides of the first lead screw 9 are also provided with a pair of first sliding rails 12, the first base body 3 is slidably connected with the first sliding rails 12, two ends of the first lead screw 9 are respectively provided with a first bearing base 13, the outer side of one first bearing base 13 is provided with a first synchronizing wheel 14, the servo motor 10 is installed below the installation base 11, the output end of the servo motor is provided with a second synchronizing wheel 15, the first synchronizing wheel 14 and the second synchronizing wheel 15 are connected through a synchronizing belt, and a synchronizing wheel group is formed. The servo motor 10 drives the first synchronous wheel 14 to rotate through the synchronous belt, so as to drive the first lead screw 9 to rotate, the first lead screw 9 drives the first base body to move along the axial direction of the first base body through the lead screw nut, so that the laser device can move back and forth along the first slide rail 12, and the moving speed is matched with the rolling speed of the roller, so that the full-width cleaning of the surface of the roller is realized.

The laser emitting mechanism 1 is a laser, and the cleaning device further comprises a focal length adjusting mechanism arranged below the laser to adjust the focal length of the laser. As shown in fig. 4, the focal length adjusting mechanism includes a second lead screw 4 rotatably mounted on the first seat body 3 around its axis, an adjusting member 5 disposed at an end of the second lead screw 4, and a second seat body 6 disposed on the second lead screw 4 and driven by the second lead screw 4 to move axially, the laser emitting mechanism 1 is disposed on the second seat body 6, and a lead screw nut is disposed at a bottom of the second seat body 6 and sleeved on the second lead screw 4. The second lead screw 4 is perpendicular to the first lead screw 9, a pair of second slide rails 7 are arranged on two opposite sides of the second lead screw 4, the second base body 6 is connected with the second slide rails 7 in a sliding mode, two second bearing seats 8 are further arranged at two ends of the second lead screw 4 respectively, an adjusting nut serving as an adjusting piece 5 is arranged on the outer side of each second bearing seat 8, the adjusting nuts are rotated to drive the second lead screw 4 to move, and therefore the second base body 6 is driven to move towards or away from the roller to be cleaned through the lead screw nuts to adjust the focal length of the laser.

As shown in fig. 1, the two negative pressure mechanisms 2 are respectively disposed at two opposite sides of the laser emitting mechanism 1, the two negative pressure mechanisms 2 are respectively connected and fixed with the upper surface and the lower surface of the laser emitting mechanism 1 through connecting rods 16, and openings of the two negative pressure mechanisms 2 are both inclined toward a target portion of the laser emitting mechanism 1. The negative pressure mechanism 2 is preferably a negative pressure suction nozzle, and the other end of the negative pressure suction nozzle is externally connected with an air exhaust tank.

For further improvement cleaning performance, treat that to wash roll surface lateral part still is equipped with wiping mechanism, specifically, every roll all corresponds and is provided with a wiping mechanism, wiping mechanism includes hold-down mechanism and demountable installation wiper on hold-down mechanism, and hold-down mechanism has two sets ofly along vertical direction distribution, specifically, two sets of hold-down mechanism set up respectively in laser emission mechanism 1's upper and lower both sides, and wiper rolling is installed on two sets of hold-down mechanism, and passes the clearance between hold-down mechanism and top roll 20, bottom roll 21, and one of them hold-down mechanism rolling, another hold-down mechanism unreels, treats and washs the roll realization and cleans to can avoid taking place the motion with the pole piece on the roll and interfere. As shown in fig. 5, the pressing mechanism includes a telescopic structure and two compression rods 17 arranged in parallel with the axial direction of the roller to be cleaned, the compression rods 17 are arranged at the telescopic ends of the telescopic structure, the telescopic direction of the telescopic structure intersects with the axial line of the roller to be cleaned, in a preferred embodiment, the number of the telescopic structures is two, the two telescopic structures are respectively located at two ends of the compression rods 17, and the telescopic direction of the telescopic structure is perpendicular to the roller to be cleaned. A gap allowing a wiping piece to pass through is reserved between the pressure lever 17 and the surface of the roller to be cleaned, the wiping piece is preferably made of non-woven fabrics, and is unreeled and reeled at the same time, so that the speed is adjustable; the telescopic structure includes cylinder 18 and locates the installation piece 19 on the 18 piston of cylinder, the both ends of depression bar 17 are fixed on the installation piece 19, and cylinder 18 installs in the frame, and the piston is flexible to compress tightly the non-woven fabrics and treat on treating the washing roll or loosen, realize treating the cleaning of washing roll, during specific implementation, can treat through laser earlier and wash the washing roll, make the powder of adhesion on the roll take place to break away from with the roll, reduce the adhesive force between powder and the roll, the rethread non-woven fabrics is cleaned, and such effect is better.

When the surface of the roller needs to be cleaned, the adjusting nut is rotated to drive the second lead screw 4 to move, so that the lead screw nut drives the second base body 6 to move towards or away from the roller to be cleaned, and the focal length of the laser is adjusted to a proper position. Then, the laser emits laser towards the surface of the roller to be cleaned, the powder adhered to the surface of the roller absorbs the energy of the laser beam, plasma which expands rapidly is formed, shock waves are generated, the powder is broken through the shock waves and separated from the surface of the roller, the powder is sucked and collected by the negative pressure mechanism 2, meanwhile, the servo motor 10 drives the first synchronous wheel 14 to rotate through the synchronous belt, the first lead screw 9 is driven to rotate, the laser is driven to move back and forth along the first slide rail 12 through the lead screw nut, the moving speed is matched with the rolling speed of the roller, and the surface of the roller is cleaned in all directions. And finally, adjusting the telescopic mechanism to enable the pressure rods 17 to move towards the roller to press the non-woven fabric on the roller, unreeling one group of pressure rods 17, and reeling the other group of pressure rods 17 matched with the pressure rods to wipe the surface of the roller cleaned by the laser so as to remove residual dust.

Alternatively, the driving mechanism may be a chain drive, and the first seat 3 is mounted on the chain.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A cleaning device for cleaning powder on the surface of a roller to be cleaned, comprising:

the laser emission mechanism (1) can emit laser to the surface of the roller to be cleaned and form a target part on the surface of the roller to be cleaned;

the negative pressure mechanism (2) is arranged on the side portion of the laser emission mechanism (1), and the negative pressure mechanism (2) is provided with an opening facing the roller to be cleaned so as to absorb powder on the surface of the roller to be cleaned.

2. The cleaning device according to claim 1, wherein the negative pressure mechanism (2) is two negative pressure mechanisms respectively arranged at two opposite sides of the laser emitting mechanism (1), and the openings of the two negative pressure mechanisms (2) are both arranged towards the target portion.

3. The cleaning device according to claim 1, characterized by further comprising a driving mechanism for driving the laser emitting mechanism (1) to reciprocate axially along the roll to be cleaned.

4. The cleaning device according to claim 3, wherein the driving mechanism comprises a first lead screw (9) and a servo motor (10) in transmission connection with the first lead screw (9), the first lead screw (9) is provided with a first seat body (3) which moves along the axial direction of the first lead screw (9), and the laser emitting mechanism (1) is arranged on the first seat body (3).

5. The cleaning device according to claim 4, further comprising a focal length adjusting mechanism for adjusting a focal position of the laser emitting mechanism (1).

6. The cleaning device according to claim 5, wherein the focal length adjusting mechanism comprises a second lead screw (4) rotatably mounted on the first seat (3) around its axis, an adjusting member (5) disposed at an end of the second lead screw (4), and a second seat (6) disposed on the second lead screw (4) and axially moved by the second lead screw (4), and the laser emitting mechanism (1) is disposed on the second seat (6).

7. A battery pole piece processing device comprises at least one roller to be cleaned, and is characterized in that the side part of the roller to be cleaned is provided with the cleaning device according to any one of claims 1 to 6.

8. The battery pole piece processing equipment as claimed in claim 7, further comprising a wiping mechanism, wherein the wiping mechanism comprises a pressing mechanism and a wiping piece detachably mounted on the pressing mechanism, the pressing mechanism is arranged on the side of the surface of the roller to be cleaned, and a gap allowing the wiping piece to pass through is reserved between the pressing mechanism and the surface of the roller to be cleaned.

9. The battery pole piece processing equipment according to claim 8, wherein the compression mechanism comprises a telescopic structure and two compression rods (17) axially parallel to the roller to be cleaned, the compression rods (17) are arranged at telescopic ends of the telescopic structure, the telescopic direction of the telescopic structure is intersected with the axis of the roller to be cleaned, and the wiping piece is wound on the two compression rods (17).

10. The battery pole piece processing equipment according to claim 8, wherein the cleaning device and the wiping mechanism are arranged on the roll outlet side of the roll to be cleaned.