CN216988371U - Coating device - Google Patents
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- CN216988371U CN216988371U CN202220163270.4U CN202220163270U CN216988371U CN 216988371 U CN216988371 U CN 216988371U CN 202220163270 U CN202220163270 U CN 202220163270U CN 216988371 U CN216988371 U CN 216988371U
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Abstract
The utility model relates to a coating device which comprises a conveying structure, a first coating assembly and a second coating assembly. The first coating assembly and the second coating assembly are arranged on the same side of the conveying structure, the first coating assembly is used for coating and forming a first coating on one side surface of the base material, the second coating assembly is used for coating and forming a second coating on one side surface of the base material, the first coating assembly and the second coating assembly alternately run to form a plurality of first coatings and a plurality of second coatings on one side surface of the base material, and the plurality of first coatings and the plurality of second coatings are arranged at intervals in a staggered mode along the length direction of the base material. By arranging the coating device, the first coating assembly and the second coating assembly alternately run to form a plurality of first coatings and a plurality of second coatings which are arranged at intervals in a staggered mode on one side surface of the base material. Because first coating unit and second coating unit alternate operation, so to stop speed requirement lower to both opening, can realize carrying out the coating fast, production efficiency is high.
Description
Technical Field
The utility model relates to the technical field of automation equipment, in particular to a coating device.
Background
In the preparation process of the battery pole piece, the base material needs to be coated, and the coatings on the base material need to be arranged at intervals so as to leave a partial blank area between two adjacent coatings to form the battery pole piece. The existing coating device needs to be quickly started and stopped when the interval between two adjacent coatings is small in the gap coating process, but is limited by mechanical and electrical response speeds, the starting and stopping speed of the coating device has an upper limit, quick coating cannot be realized, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
In view of this, it is necessary to provide a coating apparatus capable of performing coating with high coating efficiency, in order to solve the problem of low coating efficiency of the conventional coating apparatus.
A coating apparatus, comprising:
a transport structure for transporting a substrate;
the first coating component is arranged on one side of the conveying structure and used for coating one side surface of the base material to form a first coating; and
the second coating assembly and the first coating assembly are arranged on the same side of the conveying structure and are arranged along the length direction of the substrate, and the second coating assembly is used for coating one side surface of the substrate to form a second coating;
the first coating assembly and the second coating assembly alternately run to form a plurality of first coating layers and a plurality of second coating layers on one side surface of the base material, and the first coating layers and the second coating layers are arranged at intervals along the length direction of the base material in a staggered mode.
By arranging the coating device, the first coating assembly and the second coating assembly alternately run to form a plurality of first coating layers and a plurality of second coating layers which are arranged at intervals in a staggered mode on one side surface of the base material. Because first coating unit and second coating unit alternate operation, so to stop speed requirement lower to both opening, can realize carrying out the coating fast, production efficiency is high.
In one embodiment, the first coating assembly includes a first storage tank for storing paint, a first delivery pump connected between the first storage tank and the first coating head for delivering paint from the first storage tank to the first coating head, and a first coating head for applying paint to a side surface of a substrate to form the first coating layer.
In one embodiment, the coating apparatus further comprises a first filter connected between the first delivery pump and the first coating head for filtering the coating material delivered to the first coating head.
In one embodiment, the first coating assembly further comprises a first switching valve group, the first switching valve group is connected between the first delivery pump and the first coating head and is connected with the first storage tank, and the first switching valve group comprises a coating state and a backflow state;
when the first switching valve group is in the coating state, the first switching valve group communicates the first delivery pump and the first coating head; when the first switching valve group is in the backflow state, the first switching valve group is communicated with the first delivery pump and the first storage tank.
In one embodiment, the first switching valve set includes a first communicating member, a first control valve and a second control valve, the first communicating member is connected to the first delivery pump, the first coating head and the first storage tank at the same time, the first control valve and the second control valve are both disposed on the first communicating member, the first control valve is used for controlling on-off between the first delivery pump and the first coating head, and the second control valve is used for controlling on-off between the first delivery pump and the first storage tank.
In one embodiment, the second coating assembly includes a second storage tank for storing paint, a second delivery pump connected between the second storage tank and the second coating head for delivering the paint in the second storage tank to the second coating head, and a second coating head for applying the paint to a side surface of a substrate to form the second coating layer.
In one embodiment, the coating apparatus further comprises a second filter connected between the second delivery pump and the second coating head for filtering the coating material delivered to the second coating head.
In one embodiment, the second coating assembly further comprises a second switching valve group, the second switching valve group is connected between the second delivery pump and the second coating head and is connected with the second storage tank, and the second switching valve group comprises a coating state and a backflow state;
when the second switching valve group is in the coating state, the second switching valve group is communicated with the second conveying pump and the second coating head; when the second switching valve group is in the backflow state, the second switching valve group is communicated with the second delivery pump and the second storage tank.
In one embodiment, the second switching valve set includes a second communicating member, a third control valve and a fourth control valve, the second communicating member is simultaneously connected to the second delivery pump, the second coating head and the second storage tank, the third control valve and the fourth control valve are both disposed in the second communicating member, the third control valve is used for controlling on-off between the second delivery pump and the second coating head, and the fourth control valve is used for controlling on-off between the second delivery pump and the second storage tank.
In one embodiment, the first coating head and the second coating head are integrally provided.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a coating apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of a first switching valve set in the coating apparatus shown in FIG. 1;
fig. 3 is a schematic structural view of the substrate processed by the coating apparatus shown in fig. 1.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.
In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the utility model and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the utility model.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1 and fig. 3, a coating apparatus 100 according to an embodiment of the present invention includes a conveying structure, a first coating assembly 20, and a second coating assembly 30.
The transport structure is used to transport the substrate 200.
The first coating component 20 and the second coating component 30 are arranged on the same side of the conveying structure, and the first coating component 20 and the second coating component 30 are arranged along the length direction of the substrate 200, the first coating component 20 is used for coating on one side surface of the substrate 200 to form a first coating 201, and the second coating component 30 is used for coating on one side surface of the substrate 200 to form a second coating 202.
Wherein the first coating unit 20 and the second coating unit 30 alternately operate to form a plurality of first coating layers 201 and a plurality of second coating layers 202 on one side surface of the substrate 200, and the plurality of first coating layers 201 and the plurality of second coating layers 202 are alternately arranged at intervals along the length direction of the substrate 200.
It should be noted that the distance between any adjacent first coating 201 and second coating 202 is the same.
By providing the coating apparatus described above, the first coating unit 20 and the second coating unit 30 alternately operate to form a plurality of first coating layers 201 and a plurality of second coating layers 202 alternately arranged at intervals on one side surface of the substrate 200. Because the first coating assembly 20 and the second coating assembly 30 run alternately, the start-stop speed requirements of the first coating assembly and the second coating assembly are low, the coating can be rapidly carried out, and the production efficiency is high.
It should be explained in conjunction with fig. 3 that the shaded area is the coating layer, and the area between two adjacent coating layers is the blank area 203, assuming that the distance between two adjacent coating layers is l1And the distance between two adjacent blank regions 203 is l2Also assume that the coating assembly is shut down at the fastest speed and then started, with the time interval between shut down and start up being t.
In addition, it should be noted that the designations of the a-coating, the c-coating, and the e-coating, and the b-region and the d-region in fig. 3 are used to facilitate the explanation below.
In an ideal situation, taking the coating a, the coating b and the coating c as an example, the coating assembly stops coating at the position of the boundary between the coating a and the coating b after being stopped, then starts coating at the position of the boundary between the coating b and the coating c after being started, and the above steps are repeated in a circulating mode.
When coating is performed using the existing single coating unit, the coating unit needs to be stopped at the b-zone, where the maximum transport speed v of the substrate 200 is1＝l1/t。
When the coating is alternately performed using the first coating unit 20 and the second coating unit 30, the a-coat and the e-coat are applied by the first coating unit 20, the c-coat is applied by the second coating unit 30, the first coating unit 20 is stopped after the application of the a-coat is completed, the c-coat is applied by the second coating unit 30, and the first coating unit 20 is started at the boundary between the d-zone and the e-coat, when the maximum conveyance speed v of the substrate 200 is set to be v2＝(2*l1+l2)/t。
Therefore, it can be determined without any doubt that the first coating unit 20 and the second coating unit 30 alternately operate to effectively increase the coating speed and thus the production efficiency on the premise of satisfying the coating effect.
When the substrate 200 is not conveyed at the theoretical highest speed, the start-stop speed of the first coating assembly 20 and the second coating assembly 30 can be controlled while the production efficiency is increased, and the first coating assembly 20 and the second coating assembly 30 do not need to act at the fastest start-stop speed, so that the damage to the structures of the first coating assembly 20 and the second coating assembly 30 caused by the excessively fast start-stop speed and the influence on the service life of the first coating assembly 20 and the second coating assembly 30 are avoided.
In addition, the first coating assembly 20 and the second coating assembly 30 can be prevented from being stopped due to inertia after the first coating assembly 20 and the second coating assembly 30 are stopped, and the coating is prevented from being gushed out when the coating is restarted to influence the thicknesses of the first coating 201 and the second coating 202, namely, the initial positions of the first coating 201 and the second coating 202 are prevented from being too thick.
In some embodiments, the conveying structure includes a conveying roller, the conveying roller is rotatably disposed, the substrate 200 is wound on the surface of the conveying roller, and the first coating assembly 20 and the second coating assembly 30 are disposed on the same side of the conveying roller, and are used for coating the substrate 200 on the surface of the conveying roller to form the first coating 201 and the second coating 202, respectively.
In some embodiments, the first coating assembly 20 includes a first storage tank 21, a first delivery pump 22 and a first coating head 23, the first storage tank 21 is used for storing the coating material, the first delivery pump 22 is connected between the first storage tank 21 and the first coating head 23 and is used for delivering the coating material in the first storage tank 21 to the first coating head 23, and the first coating head 23 is used for coating the coating material on one side surface of the substrate 200 to form the first coating 201.
In practice, the first transfer pump 22 is a screw pump.
In some embodiments, the coating apparatus further comprises a first filter 24, the first filter 24 being connected between the first delivery pump 22 and the first coating head 23 for filtering the coating material delivered to the first coating head 23. In this way, after the paint is filtered by the first filter 24, larger particles in the paint conveyed to the first coating head 23 can be removed, so that the first coating 201 coated by the first coating head 23 is more uniform, and the coating effect is improved.
In some embodiments, the first coating assembly 20 further comprises a first switching valve set 25, the first switching valve set 25 is connected between the first delivery pump 22 and the first coating head 23, and the first switching valve set 25 is connected with the first storage tank 21, the first switching valve set 25 comprises a coating state and a backflow state.
When the first switching valve group 25 is in the coating state, the first switching valve group 25 communicates the first transfer pump 22 and the first coating head 23; when the first switching valve set 25 is in a backflow state, the first switching valve set 25 communicates the first delivery pump 22 and the first storage tank 21.
In this way, when the first coating module 20 is in the coating state, the first coating head 23 can coat the substrate 200 to form the first coating 201, and when the first coating module 20 is in the backflow state, the first coating module 20 is in the above-mentioned stop state, and the coating material flows back into the first storage tank 21.
Referring to fig. 2, in some embodiments, the first switching valve set 25 includes a first communicating member 251, a first control valve 252 and a second control valve 253, the first communicating member 251 is connected to the first delivery pump 22, the first coating head 23 and the first storage tank 21 at the same time, the first control valve 252 and the second control valve 253 are disposed on the first communicating member 251, the first control valve 252 is used for controlling on/off between the first delivery pump 22 and the first coating head 23, and the second control valve 253 is used for controlling on/off between the first delivery pump 22 and the first storage tank 21.
It can be understood that when the first control valve 252 is opened and the second control valve 253 is closed, the first delivery pump 22 is communicated with the first coating head 23, and the first delivery pump 22 is disconnected from the first storage tank 21, and the first coating assembly 20 is in a coating state; when the first control valve 252 is closed and the second control valve 253 is opened, the first transfer pump 22 and the first coating head 23 are disconnected, and the first transfer pump 22 and the first reservoir tank 21 are communicated, and the first coating module 20 is in a backflow state.
In some embodiments, the second coating assembly 30 includes a second storage tank 31, a second delivery pump 32 and a second coating head 33, the second storage tank 31 is used for storing the coating material, the second delivery pump 32 is connected between the second storage tank 31 and the second coating head 33 and is used for delivering the coating material in the second storage tank 31 to the second coating head 33, and the second coating head 33 is used for coating the coating material on one side surface of the substrate 200 to form the second coating layer 202.
In practice, the second transfer pump 32 is a screw pump.
In some embodiments, the coating apparatus further comprises a second filter 34, the second filter 34 being connected between the second delivery pump 32 and the second coating head 33 for filtering the coating material delivered to the second coating head 33. After the coating is filtered by the second filter 34, larger particles in the coating conveyed to the second coating head 33 can be removed, so that the second coating 202 coated by the second coating head 33 is more uniform, and the coating effect is improved.
In some embodiments, the second coating assembly 30 further comprises a second switching valve set 35, the second switching valve set 35 is connected between the second delivery pump 32 and the second coating head 33, and the second switching valve set 35 is connected with the second storage tank 31, the second switching valve set 35 comprises a coating state and a backflow state.
When the second switching valve group 35 is in the coating state, the second switching valve group 35 communicates the second delivery pump 32 and the second coating head 33; when the second switching valve group 35 is in a backflow state, the second switching valve group 35 communicates the second delivery pump 32 and the second storage tank 31.
In some embodiments, the second switching valve set 35 includes a second communicating part, a third control valve and a fourth control valve, the second communicating part is simultaneously connected to the second conveying pump 32, the second coating head 33 and the second storage tank 31, the third control valve and the fourth control valve are both disposed on the second communicating part, the third control valve is used for controlling on/off between the second conveying pump 32 and the second coating head 33, and the fourth control valve is used for controlling on/off between the second conveying pump 32 and the second storage tank 31.
It can be understood that when the third control valve is opened and the fourth control valve is closed, the second delivery pump 32 is communicated with the second coating head 33, and the second delivery pump 32 is disconnected from the second storage tank 31, and the second coating assembly 30 is in a coating state; when the third control valve is closed and the fourth control valve is opened, the second delivery pump 32 and the second coating head 33 are disconnected, and the second delivery pump 32 and the second storage tank 31 are communicated, and the second coating assembly 30 is in a backflow state.
It should be noted that the first coating module 20 and the second coating module 30 may share a storage tank, that is, the first storage tank 21 and the second storage tank 31 are the same storage tank. In addition, the structures of the first coating module 20 and the second coating module 30 are connected by pipes.
In some embodiments, the first coating head 23 and the second coating head 33 are integrally provided, i.e., the first delivery pump 22 and the second delivery pump 23 deliver the coating to the same structure.
In practical application, the integrally arranged first coating head 23 and second coating head 33 are a dual-cavity die, and the die comprises two cavities, that is, the first coating head 23 has a first coating cavity, the second coating head 33 has a second coating cavity, the first delivery pump 22 is used for delivering the coating into the first coating cavity, and the second delivery pump 32 is used for delivering the coating into the second coating cavity, so that the dual-cavity die can coat the substrate 200 to form the first coating 201 and the second coating 202.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A coating apparatus, comprising:
a transport structure for transporting a substrate;
the first coating assembly is arranged on one side of the conveying structure and used for coating one side surface of the substrate to form a first coating; and
the second coating assembly and the first coating assembly are arranged on the same side of the conveying structure and are arranged along the length direction of the substrate, and the second coating assembly is used for coating one side surface of the substrate to form a second coating;
the first coating assembly and the second coating assembly alternately run to form a plurality of first coating layers and a plurality of second coating layers on one side surface of the base material, and the first coating layers and the second coating layers are arranged at intervals along the length direction of the base material in a staggered mode.
2. The coating apparatus of claim 1, wherein the first coating assembly comprises a first storage tank for storing the coating material, a first delivery pump connected between the first storage tank and the first coating head for delivering the coating material from the first storage tank to the first coating head, and a first coating head for applying the coating material to a side surface of the substrate to form the first coating layer.
3. Coating apparatus according to claim 2, further comprising a first filter connected between the first delivery pump and the first coating head for filtering the coating delivered to the first coating head.
4. The coating apparatus of claim 2, wherein the first coating assembly further comprises a first switching valve set connected between the first delivery pump and the first coating head, and the first switching valve set is connected with the first storage tank, the first switching valve set comprising a coating state and a return state;
when the first switching valve group is in the coating state, the first switching valve group communicates the first delivery pump and the first coating head; when the first switching valve group is in the backflow state, the first switching valve group is communicated with the first delivery pump and the first storage tank.
5. The coating apparatus according to claim 4, wherein the first switching valve set comprises a first communicating member, a first control valve and a second control valve, the first communicating member is connected with the first delivery pump, the first coating head and the first storage tank at the same time, the first control valve and the second control valve are both arranged in the first communicating member, the first control valve is used for controlling the on-off between the first delivery pump and the first coating head, and the second control valve is used for controlling the on-off between the first delivery pump and the first storage tank.
6. The coating apparatus of claim 2, wherein the second coating assembly comprises a second storage tank for storing the coating material, a second delivery pump connected between the second storage tank and the second coating head for delivering the coating material from the second storage tank to the second coating head, and a second coating head for applying the coating material to a side surface of the substrate to form the second coating layer.
7. A coating apparatus as in claim 6, further comprising a second filter connected between the second delivery pump and the second coating head for filtering the coating delivered to the second coating head.
8. The coating apparatus of claim 6, wherein the second coating assembly further comprises a second switching valve set connected between the second transfer pump and the second coating head and connected to the second accumulator tank, the second switching valve set comprising a coating state and a recirculation state;
when the second switching valve group is in the coating state, the second switching valve group is communicated with the second conveying pump and the second coating head; when the second switching valve group is in the backflow state, the second switching valve group is communicated with the second delivery pump and the second material storage tank.
9. The coating apparatus as claimed in claim 8, wherein the second switching valve set includes a second communicating member, a third control valve and a fourth control valve, the second communicating member is connected to the second delivery pump, the second coating head and the second storage tank at the same time, the third control valve and the fourth control valve are both disposed in the second communicating member, the third control valve is used for controlling the on-off between the second delivery pump and the second coating head, and the fourth control valve is used for controlling the on-off between the second delivery pump and the second storage tank.
10. Coating device according to claim 6, characterized in that the first coating head and the second coating head are provided integrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220163270.4U CN216988371U (en) | 2022-01-20 | 2022-01-20 | Coating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220163270.4U CN216988371U (en) | 2022-01-20 | 2022-01-20 | Coating device |
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| Publication Number | Publication Date |
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| CN216988371U true CN216988371U (en) | 2022-07-19 |
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| CN202220163270.4U Active CN216988371U (en) | 2022-01-20 | 2022-01-20 | Coating device |
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