CN211515055U

CN211515055U - Device for manufacturing coating layer on substrate

Info

Publication number: CN211515055U
Application number: CN201921913753.6U
Authority: CN
Inventors: 周三春; 梁立定; 欧成友; 袁长林
Original assignee: Shenzhen Yinghe Technology Co Ltd
Current assignee: Shenzhen Yinghe Technology Co Ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-09-18
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a device for manufacturing a coating on a substrate, which comprises a powder distribution mechanism, a rolling mechanism and a conveying roller set, wherein the powder distribution mechanism and the rolling mechanism are sequentially arranged on the conveying roller set along the movement direction of the conveying roller set; the powder distribution mechanism comprises a screen frame, a high-frequency vibration driving part and a bus board, the high-frequency vibration driving part drives the screen frame and the bus board to vibrate in a high frequency mode, the bus board is arranged below the screen frame, and powder leaked from the screen frame is scattered on a base material conveyed by the conveying roller set; the roller pressing mechanism comprises at least two oppositely arranged pressing rollers, and the pressing rollers are oppositely arranged on two sides of the base material conveyed by the conveying roller group.

Description

Device for manufacturing coating layer on substrate

Technical Field

The utility model relates to a processing technology field of coating on the substrate, concretely relates to device of preparation coating on substrate.

Background

The process of forming a coating on a substrate is a common process for many products, and generally requires mixing powder of the coating with a binder and the like to prepare a liquid slurry, then dispersing the slurry on the substrate, and forming a functional coating on the surface of the substrate after drying and rolling. For example, in the manufacture of electrode plates, a positive electrode material or a negative electrode material needs to be made into slurry, the slurry is dispersed on a base material through special slurry dispersing equipment, and then the positive electrode plate or the negative electrode plate is formed through the steps of drying, rolling and the like. The existing step of manufacturing a coating layer on a base material needs slurry manufacturing and drying steps, the process is complex, and the improvement of the production efficiency is not facilitated; and the coating thickness uniformity of many materials directly influences the performance of the prepared materials, but the thickness uniformity of slurry dispersion is difficult to control, and the uniformity of a coating layer is influenced, so that the performance of the coating layer is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical problem to not enough in the background art, provide the device of preparation coating on the substrate that can solve.

In order to solve the technical problem, the technical scheme of the utility model is that: a device for manufacturing a coating layer on a base material comprises a powder distribution mechanism, a rolling mechanism and a conveying roller set, wherein the powder distribution mechanism and the rolling mechanism are sequentially arranged on the conveying roller set along the movement direction of the conveying roller set; the powder distribution mechanism comprises a screen frame, a high-frequency vibration driving part and a bus board, the high-frequency vibration driving part drives the screen frame and the bus board to vibrate in a high frequency mode, the bus board is arranged below the screen frame, and powder leaked from the screen frame is scattered on a base material conveyed by the conveying roller set; the roller pressing mechanism comprises at least two oppositely arranged pressing rollers, and the pressing rollers are oppositely arranged on two sides of the base material conveyed by the conveying roller group.

Furthermore, the screen frame and the high-frequency vibration driving piece are arranged in a plurality of numbers, the screen frames are sequentially arranged in the vertical direction, and each screen frame is driven by one high-frequency vibration driving piece.

Further, the high frequency vibration driving member is an ultrasonic transducer.

Further, still include purification unit, purification unit sets up on the conveying roller group, the position of cloth powder mechanism front end, purification unit is used for the purification treatment of substrate.

Further, the purification treatment mechanism is an electrophoresis purification device.

Further, the conveying roller group comprises a discharging scroll, a rolling roller and a receiving scroll, wherein the discharging scroll is arranged at the front end of the purification treatment mechanism, the receiving scroll is arranged at the rear end of the rolling mechanism, and the rolling roller is arranged at the position between the discharging scroll and the receiving scroll.

The utility model discloses a beneficial effect that device on preparation coating realized on the substrate mainly has following several points: powder is directly and uniformly spread on the base material, a slurry preparation step and a drying step after the slurry is coated on the base material are not needed, the manufacturing process of coating on the base material is simplified, and the production efficiency of coating can be greatly improved; the powder is dispersed on the substrate in a high-frequency vibration mode of the high-frequency vibration driving piece driving the screen frame and the bus board, the powder agglomeration can be avoided, and the uniform dispersion of the powder on the substrate can be ensured, so that the uniform thickness of the powder on the substrate is ensured, and the service performance of the manufactured material can be ensured.

Drawings

Fig. 1 is a schematic structural diagram of an entire apparatus for manufacturing a coating layer on a substrate according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a powder distributing mechanism of a device for manufacturing a coating layer on a substrate according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of the installation of the screen frame and the high-frequency vibration driving member of the device for manufacturing the coating layer on the substrate in the first embodiment of the present invention.

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted; the same or similar reference numerals correspond to the same or similar parts; the terms describing positional relationships in the drawings are for illustrative purposes only and are not to be construed as limiting the patent.

Detailed Description

To facilitate understanding for those skilled in the art, the present invention will be described in further detail with reference to the accompanying drawings and examples.

Example one

Referring to fig. 1 to 3, a device for manufacturing a coating layer on a substrate is used to manufacture a coating layer on the substrate as a functional layer to realize the function of a material, for example, a positive electrode current collector manufactured by aluminum foil is coated with a positive electrode material to manufacture a positive electrode plate of a lithium battery, and a negative electrode current collector manufactured by copper foil is coated with a negative electrode material to manufacture a negative electrode plate of the lithium battery. The device comprises a powder distributing mechanism 1, a rolling mechanism 2 and a conveying roller set 3, wherein the powder distributing mechanism 1 and the rolling mechanism 2 are sequentially arranged on the conveying roller set 3 along the movement direction of the conveying roller set 3; the conveying roller group 3 is used for continuously conveying the base material 61, the powder distributing mechanism 1 is used for uniformly distributing the powder 62 on the base material 61, and the rolling mechanism 2 is used for compacting the powder 62 on the base material 61, so that the integrated material 6 is formed.

Referring to fig. 2 and 3, the powder distribution mechanism 1 includes a net frame 11, a high-frequency vibration driving element 12 and a bus board 13, the net frame 11 includes a frame body 111 and a mesh screen 112, and the mesh screen 112 is arranged at the bottom of the frame body 111; the high-frequency vibration driving part 12 is connected with the screen frame 11, the screen frame 11 and the bus board 13 are driven to vibrate in a high frequency mode through the high-frequency vibration driving part 12, powder on the mesh screen 112 is dispersed, powder agglomeration is avoided, and the powder is uniformly distributed on the mesh screen 112; the cylinder manifold 13 sets up in screen frame 11 below, can also fall into the powder vibration on the mesh screen 112 on cylinder manifold 13 through high-frequency vibration driving piece 12, and cylinder manifold 13 also is connected with high-frequency vibration driving piece 12, can further with the even dispersion of the powder that screen frame 11 leaks down on the substrate that conveying roller set 3 carried through cylinder manifold 13 high-frequency vibration.

Referring to fig. 1, the rolling mechanism 2 includes at least two oppositely disposed press rollers 21, and the press rollers 21 are oppositely disposed on two sides of the substrate conveyed by the conveying roller group 3. The press rollers 21 can be only arranged in one group, and comprise an upper press roller 21 and a lower press roller 21, the two press rollers 21 are oppositely arranged, a gap is formed between the press rollers, the substrate 61 is covered with the powder 62 and then penetrates through the gap, and the powder 62 is compacted on the substrate 61 through the pressure action of the press rollers 21 to form the integrated material 6. According to the needs, the press rolls 21 can also be arranged in parallel in multiple groups, gaps among the press rolls in each group are sequentially reduced in the moving direction of the conveying roll group 3, and the base material 61 is covered with the powder 62 and then sequentially penetrates through the gaps among the press rolls in each group, so that the multi-stage rolling compaction is realized. The width of the gap between each group of press rollers 21 is preferably adjustable, so that the width of the gap can be adjusted according to the requirements of different materials; the width of the gap can be adjusted by adjusting the distance between the two press rolls, and an adjusting mechanism commonly used in the prior art can be adopted.

In the embodiment, the powder is directly and uniformly dispersed on the base material, and a slurry preparation step and a drying step after the slurry is coated on the base material are not needed, so that the manufacturing process of coating on the base material is simplified, and the production efficiency of coating can be greatly improved; the powder is dispersed on the substrate in a high-frequency vibration mode of the high-frequency vibration driving piece driving the screen frame and the bus board, the powder agglomeration can be avoided, and the uniform dispersion of the powder on the substrate can be ensured, so that the uniform thickness of the powder on the substrate is ensured, and the service performance of the manufactured material can be ensured.

Referring to fig. 1 and 2, one or more frames 11 may be provided, in this embodiment, a plurality of frames 11 and a plurality of high-frequency vibration driving members 12 are provided, each of the frames 11 is sequentially provided in a vertical direction, and each of the frames 11 is driven by one of the high-frequency vibration driving members 12. The bus bar 13 may be fixed to the lowermost screen frame 11, and may be driven by a dither driving unit 12 shared with the lowermost screen frame 11, or may be driven by a dither driving unit 12 provided separately for the bus bar 13. The plurality of screen frames 11 are arranged in the vertical direction, so that powder can be uniformly dispersed and leaked to the lower screen frame 11 or the bus board 13 for many times, the thickness of the powder finally scattered to the substrate 61 through the bus board 13 is more uniform, and the performance of the manufactured material is further ensured. The high-frequency vibration driving member 12 is preferably an ultrasonic transducer, which can meet the requirement of high-frequency vibration driving.

Referring to fig. 1, as a further preferred scheme, the device further comprises a purification treatment mechanism 4, wherein the purification treatment mechanism 4 is used for purifying the substrate, so as to ensure the cleanness of the substrate, thereby ensuring the adhesion of the substrate and the powder, and avoiding impurities on the substrate from affecting the performance of the finally manufactured material. The cleaning mechanism 4 is provided at the front end of the powder distribution mechanism 1 on the conveying roller group 3, and treats the base material 61 before the powder distribution mechanism 1 distributes powder.

Referring to fig. 1, the purification mechanism 4 is an electrophoresis purification device, the electrophoresis purification device charges oil drops of dust and oil stain through a high-voltage electrostatic field, the charged oil drops of dust and oil stain are collected on an opposite electrode under the action of the electric field force, and the dust and oil stain are collected in a collection box through vibration and other modes, so that the purification treatment of the dust and oil stain in the base material is realized. The electrophoresis purifying equipment can adopt the existing commercially available electrophoresis dust and oil removing equipment.

Referring to fig. 1, the conveying roller group 3 preferably adopts the following structure to ensure the substrate conveying of the coil stock; the conveying roller group 3 comprises a discharging reel 31, a passing roller 32 and a receiving reel 33, wherein the discharging reel 31 is arranged at the front end of the purification treatment mechanism 4 and used for releasing the base material stored in the coil stock, and the discharging reel 31 can be driven by a servo motor to rotate and unreel. The material receiving reel 33 is arranged at the rear end of the rolling mechanism 2 and used for winding the coated material, and the material receiving reel 33 can be driven by a servo motor to rotate for winding. The roller 32 is arranged between the discharging reel 31 and the receiving reel 33, the roller 32 can be arranged in a plurality of numbers, the base material can be turned at the position where the base material needs to be turned, and the roller 32 can be arranged below the base material to support the base material when the base material is conveyed for a long distance.

The working process of the device for manufacturing the coating layer on the substrate in the embodiment is as follows: blowing spool 31 unreels the substrate, unreels the back purification unit and constructs 4 and carry out purification treatment to the substrate, then constructs 1 evenly to scatter the powder through cloth powder, and the powder scatters even back through 5 heat treatment of heating mechanism, makes the powder compaction form ultimate material on the substrate through 2 roll-in of rolling mechanism after the heating is accomplished, deposit through receiving material spool 33 rolling at last can.

Example two

A method for forming a coating on a substrate using the apparatus of the first embodiment, comprising:

s1, unwinding the base material: unreeling the base material stored in the coil stock, and continuously supplying the base material to each subsequent mechanism for processing; specifically, unwinding can be completed through the unwinding reel 31, and guiding conveying is performed through the roller 32, and the specific process can be referred to in the first embodiment, and is not described herein again.

S2, substrate purification treatment: the base material is subjected to dust removal and oil removal treatment, and the dust removal and oil removal treatment can be specifically completed through electrophoresis dust removal and oil removal equipment.

S3, base material powder distribution: the powder is dispersed (dispersed to have uniform particle size and uniformly distributed on the screen frame 11) by a high-frequency vibration method and uniformly spread on the base material; specifically, the operation can be completed by matching the screen frame 11, the high-frequency vibration driving member 12 and the bus board 13, and the specific process can be referred to in the first embodiment, which is not described herein again.

S4, rolling powder: and compacting the powder on the base material in a rolling mode, and pressing the powder into pores in the base material to integrate the functional layer formed by the powder with the base material. Specifically, the process can be completed by the rolling mechanism 2, and the specific process can be referred to in embodiment one, which is not described herein again.

S5, rolling: the rolled material is rolled and stored, and is specifically completed by the material receiving reel 33, and the specific process can be referred to as embodiment one, which is not described herein again.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. 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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. The utility model provides a device of preparation coating on substrate which characterized in that: the powder distributing mechanism (1) and the rolling mechanism (2) are sequentially arranged on the conveying roller set (3) along the movement direction of the conveying roller set (3); the powder distribution mechanism (1) comprises a screen frame (11), a high-frequency vibration driving part (12) and a bus board (13), the high-frequency vibration driving part (12) drives the screen frame (11) and the bus board (13) to vibrate in a high frequency mode, the bus board (13) is arranged below the screen frame (11), and powder leaked from the screen frame (11) is scattered on a base material conveyed by the conveying roller group (3); the rolling mechanism (2) comprises at least two opposite pressing rollers (21), and the pressing rollers (21) are oppositely arranged on two sides of the base material conveyed by the conveying roller group (3).

2. An apparatus for producing a coating on a substrate according to claim 1, wherein: the screen frame (11) and the high-frequency vibration driving piece (12) are arranged in a plurality of numbers, the screen frames (11) are sequentially arranged in the vertical direction, and each screen frame (11) is driven by one high-frequency vibration driving piece (12).

3. An apparatus for producing a coating on a substrate according to claim 2, wherein: the high-frequency vibration driving piece (12) is an ultrasonic transducer.

4. An apparatus for producing a coating on a substrate according to claim 3, wherein: the powder distribution device is characterized by further comprising a purification treatment mechanism (4), wherein the purification treatment mechanism (4) is arranged on the conveying roller set (3) and at the front end of the powder distribution mechanism (1), and the purification treatment mechanism (4) is used for purifying the base material.

5. An apparatus for producing a coating on a substrate according to claim 4, wherein: the purification treatment mechanism (4) is electrophoresis purification equipment.

6. An apparatus for producing a coating on a substrate according to claim 5, wherein: conveying roller set (3) are including blowing spool (31), cross roller (32) and receive material spool (33), blowing spool (31) set up at purification treatment mechanism (4) front end, receive material spool (33) and set up in rolling mechanism (2) rear end, cross the position that roller (32) set up between blowing spool (31) and receive material spool (33).