CN116219388A

Movatterモバイル変換

Info

Publication number: CN116219388A
Application number: CN202211741477.6A
Authority: CN
Inventors: 刘同林; 汪秀义
Original assignee: Tongling Chaoyue Electronics Co ltd
Current assignee: Tongling Chaoyue Electronics Co ltd
Priority date: 2022-12-31
Filing date: 2022-12-31
Publication date: 2023-06-06

Abstract

Description

Coating machine for double-sided coating

Technical Field

The invention relates to the technical field of coating machines, in particular to a double-sided coating machine.

Background

The metallized film capacitor is formed by evaporating a layer of metal film on the surface of the polyester film to replace the metal foil as an electrode, and has poor high current resistance because the metallized film layer is much thinner than the metal foil and has weaker high current bearing capacity.

In order to overcome the defect of the metallized film capacitor, the method mainly improves the double-sided metallized film used as an electrode, namely, the double-sided film coating operation is carried out on the film. When the film is coated on two sides, one side of the film is coated firstly, and then the other side of the film is coated after the coating is finished, so that the coating operation procedure is long and the efficiency is low.

Aiming at the problems, a coating machine for double-sided coating is designed.

Disclosure of Invention

The invention provides a coating machine for double-sided coating aiming at the defects of the prior art.

The invention solves the technical problems by the following technical means:

the coating machine comprises an evaporation chamber and a substrate, wherein an unreeling component, an evaporation roller I, a guide roller I, an evaporation roller II, a guide roller II and a reeling component are arranged in the evaporation chamber, and the substrate is reeled by the unreeling component and then is reeled by the reeling component after passing through the lower part of the evaporation roller I, the upper part and the left part of the guide roller I, the lower part of the evaporation roller II, the upper part and the right part of the guide roller II;

the evaporation device is characterized in that an evaporation source assembly I and an evaporation source assembly II are arranged in the evaporation chamber, the evaporation source assembly I is arranged below the evaporation roller I and used for evaporating the A surface of a base material, the evaporation source assembly II is arranged below the evaporation roller II and used for evaporating the B surface of the base material, and the evaporation chamber is externally connected with a vacuum pumping system.

As an improvement of the technical scheme, a first baffle and a second baffle are connected to the inner bottom wall of the evaporation chamber, the first baffle is positioned between the evaporation source assembly II and the rolling assembly, and the second baffle is positioned between the evaporation source assembly I and the rolling assembly;

a supporting plate is arranged between the first evaporation source assembly and the inner bottom wall of the evaporation chamber and is connected with the first evaporation source assembly through the supporting plate.

As the improvement of the technical scheme, a first cooling component for cooling the surface A after the evaporation of the base material is arranged in the evaporation chamber, and a second cooling component for cooling the surface B after the evaporation of the base material is arranged in the evaporation chamber.

As an improvement of the above technical scheme, the first cooling component comprises at least two first cylinders, liquid is injected into the first cylinders, two ends of the first cylinders are all connected with the first hollow shafts in a penetrating mode, movable ends of the first hollow shafts penetrate through the side walls of the evaporation chamber, first heating wires are arranged in the first cylinders, and temperature settings of the first heating wires located in the first left cylinders are lower than those of the first heating wires located in the first right cylinders.

As an improvement of the technical scheme, the hollow shaft I is mechanically connected with the side wall of the evaporation chamber in a sealing way, the hollow shaft I is mechanically connected with the central tube I in a sealing way, and the central tube I is connected with the heating wire I.

As an improvement of the technical scheme, the number of the first cylinder bodies is four, the first central tube at the rear end of the first cylinder body on the left side is in through connection with the first water inlet tube, the first central tube at the rear end of the first cylinder body on the right side is in through connection with the first water outlet tube, the first water outlet tube is provided with the first water pump, and the first water inlet tube and the first water outlet tube are in through connection with the same first cooling water tank;

the left side two the center tubes of the front ends of the first barrel are connected through the U-shaped tubes.

As the improvement of the technical scheme, the second cooling assembly comprises at least two barrel bodies, liquid is filled in the barrel bodies, two hollow shaft bodies are connected with the two ends of the barrel bodies in a penetrating mode, the movable end of each hollow shaft body penetrates through the side wall of the evaporation chamber, heating wires II are arranged in the barrel bodies, and the temperature setting of the heating wires II in the left barrel bodies is higher than that of the heating wires II in the right barrel bodies.

As an improvement of the technical scheme, the hollow shaft II is in mechanical seal connection with the side wall of the evaporation chamber, a central tube II is connected in the hollow shaft II in a mechanical seal manner, and the central tube II is connected with a heating wire II.

As an improvement of the technical scheme, the number of the second cylinder bodies is four, a second central pipe at the front end of the second cylinder body on the left side is in through connection with a second water inlet pipe, a second central pipe at the front end of the second cylinder body on the right side is in through connection with a second water outlet pipe, a second water pump is arranged on the second water outlet pipe, and the second water inlet pipe and the second water outlet pipe are in through connection with the same second cooling water tank;

the left side two the center tubes of the rear end of the second barrel are connected with each other, the middle two the center tubes of the front end of the second barrel are connected with each other, and the right side two the center tubes of the rear end of the second barrel are connected with each other through the U-shaped tube.

The invention has the beneficial effects that:

in the technical scheme of the coating machine for double-sided coating, a substrate sequentially passes through a first evaporation roller, a first guide roller, a second evaporation roller and a second guide roller, in the process of advancing the substrate, the evaporation source assembly is used for evaporating the A surface of the substrate, the evaporation source assembly is used for evaporating the B surface of the substrate, the double-sided evaporation operation of the substrate is completed, the operation is simple, the operation procedures are saved, and the evaporation time is reduced;

the first cooling component cools the A surface after the evaporation of the base material, and the second cooling component cools the B surface after the evaporation of the base material, so that the phenomenon that the base material is wrinkled and deformed due to overhigh surface heat after the film plating is avoided; and the cooling assembly I and the cooling assembly II are arranged to gradually cool the coated substrate, so that the influence of rapid cooling on the quality of a finished product of the coating layer is avoided.

Drawings

Fig. 1 is a schematic structural diagram of a double-sided coating machine according to an embodiment of the present application;

FIG. 2 is a schematic top view of the cooling assembly of FIG. 1;

FIG. 3 is a schematic top view of the cooling assembly of FIG. 1;

reference numerals: the vacuum evaporation device comprises an evaporation chamber 1, a baffle I101, a baffle II 102, an unreeling component 2, an evaporation roller I3, a guide roller I4, an evaporation roller II 5, a guide roller II 6, areeling component 7, an evaporation source component I8, a supportingplate 81, an evaporation source component II 9, avacuum pumping system 10, asubstrate 11, a cooling component I12, a cylinder I1201, a hollow shaft I1202, a central tube I1203, a heating wire I1204, a U-shaped tube I1205, a water inlet pipe I1206, a water outlet pipe I1207, a water pump I1208, a cooling water tank I1209, a cooling component II 13, a cylinder II 1301, a hollow shaft II 1302, a central tube II 1303, a heating wire II 1304, a U-shaped tube II, a water inlet pipe II 1306, a water outlet pipe II 1307, a water pump II 1308 and a cooling water tank II 1309.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It will be understood that when an element is referred to as being "fixed to" 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.

Example 1

As shown in fig. 1, the coating machine for double-sided coating film in this embodiment includes a deposition chamber 1 and asubstrate 11, wherein an unwinding component 2, a deposition roller one 3, a guide roller one 4, a deposition roller two 5, a guide roller two 6 and awinding component 7 are disposed in the deposition chamber 1, thesubstrate 11 is unwound by the unwinding component 2 and then sequentially passes through the lower part of the deposition roller one 3, the upper part and the left part of the guide roller one 4, the lower part of the deposition roller two 5, the upper part and the right part of the guide roller two 6, and then is wound by thewinding component 7;

the evaporation source assembly I8 and the evaporation source assembly II 9 are arranged in the evaporation chamber 1, the evaporation source assembly I8 is arranged below the evaporation roller I3, evaporation is conducted on the A surface of thesubstrate 11, the evaporation source assembly II 9 is arranged below the evaporation roller II 5, evaporation is conducted on the B surface of thesubstrate 11, the evaporation chamber 1 is externally connected with thevacuum pumping system 10, and vacuumizing operation is conducted on the evaporation chamber 1.

In the technical scheme of this coating machine of two-sided coating film, unreel subassembly 2unreels substrate 11,substrate 11 is through coating by vaporization roller one 3, guide roller one 4, coating by vaporization roller two 5 and guide roller two 6 in proper order, at the in-process thatsubstrate 11 marched, evaporation source subassembly one 8 carries out the coating by vaporization to the A face ofsubstrate 11, evaporation source subassembly two 9 carries out the coating by vaporization to the B face ofsubstrate 11, accomplish the operation of the two-sided coating by vaporization ofsubstrate 11, rollingsubassembly 7 carries out the rolling to thesubstrate 11 that the coating by vaporization is accomplished, this coating machine technical scheme of two-sided coating film, easy operation saves operation, reduces the coating by vaporization time.

As shown in fig. 1, to limit the evaporation range, avoid excessive evaporation of thesubstrate 11 after evaporation is completed, the inner bottom wall of the evaporation chamber 1 is connected with afirst baffle plate 101 and asecond baffle plate 102, thefirst baffle plate 101 is located between the evaporation source assembly two 9 and thewinding assembly 7, and thesecond baffle plate 102 is located between the evaporation source assembly one 8 and thewinding assembly 7; and afirst baffle 101 and asecond baffle 102.

As shown in fig. 1, in order to maintain the most suitable vapor deposition distance between the firstevaporation source assembly 8 and thesubstrate 11, asupport plate 81 is provided between the firstevaporation source assembly 8 and the inner bottom wall of the vapor deposition chamber 1 and is connected by thesupport plate 81.

As shown in fig. 2, in order to avoid the phenomenon that thesubstrate 11 is wrinkled and deformed due to too high surface heat after coating, afirst cooling component 12 for cooling the a surface after vapor deposition of thesubstrate 11 is disposed in the vapor deposition chamber 1, and asecond cooling component 13 for cooling the B surface after vapor deposition of thesubstrate 11 is disposed in the vapor deposition chamber 1.

As shown in fig. 2, thefirst cooling unit 12 includes at least twocylinders 1201, the liquid is injected into thecylinders 1201, two ends of thecylinders 1201 are connected with ahollow shaft 1202 in a penetrating manner, the movable end of thehollow shaft 1202 penetrates through the sidewall of the evaporation chamber 1, aheating wire 1204 is disposed in thecylinders 1201, and the temperature setting of theheating wire 1204 in theleft cylinder 1201 is lower than that of theheating wire 1204 in theright cylinder 1201.

In thefirst cooling component 12, thefirst cylinder 1201 is in contact with thesubstrate 11, the liquid in thefirst cylinder 1201 cools thesubstrate 11 after film coating, and the temperature of thefirst heating wire 1204 is set to rise from left to right in sequence, so that the temperature of thefirst cylinder 1201 in contact with thesubstrate 11 is reduced in sequence, thesubstrate 11 has a gradual cooling process, rapid cooling is avoided, and film forming quality of thesubstrate 11 is affected.

As shown in fig. 2, the hollow shaft one 1202 is mechanically connected with the side wall of the vapor deposition chamber 1 in a sealing manner, so that thefirst cylinder 1201 can rotate to reduce friction with thesubstrate 11, and meanwhile, a gap is avoided between the hollow shaft one 1202 and the vapor deposition chamber 1, a central tube one 1203 is mechanically connected in the hollow shaft one 1202 in a sealing manner, the central tube one 1203 is connected with the heating wire one 1204, and the central tube one 1203 and the heating wire one 1204 are prevented from rotating along with the hollow shaft one 1202 in the rotating process.

As shown in fig. 2, the number of thefirst cylinders 1201 is four, the temperature of the fourheating wires 1204 is set to be increased from left to right, a firstcentral pipe 1203 at the rear end of the firstleft cylinder 1201 is in through connection with a firstwater inlet pipe 1206, a firstcentral pipe 1203 at the rear end of the firstright cylinder 1201 is in through connection with a firstwater outlet pipe 1207, afirst water pump 1208 is arranged on the firstwater outlet pipe 1207, the firstwater inlet pipe 1206 and the firstwater outlet pipe 1207 are in through connection with the same firstcooling water tank 1209, and a cold source is arranged in the firstcooling water tank 1209 and used for cooling water in the first cooling water tank; thecentral tubes 1203 at the front ends of the left side twocylinders 1201 are communicated with each other through the U-shapedtube 1205, and thecentral tubes 1203 at the rear ends of the middle twocylinders 1201 are communicated with each other through the U-shapedtube 1205.

Under the action of the water pump one 1208, water flows through the water inlet pipe one 1206, the barrel one 1201, the U-shaped pipe one 1205, the water outlet pipe one 1207 and the cooling water tank one 1209, the advancing direction of the water is shown by an arrow in fig. 2, the temperature of the water flow is sequentially increased after entering the barrel one 1201, the operation of gradually cooling thebase material 11 is met, and after flowing out of the barrel one 1201, the water is cooled through the cooling water tank one 1209, so that a circulating water path is repeatedly formed, and the resource waste is avoided.

As shown in fig. 3, thesecond cooling assembly 13 includes at least twocylinders 1301, the liquid is injected into thesecond cylinders 1301, twohollow shafts 1303 are connected through the two ends of thesecond cylinders 1301, the movable ends of the secondhollow shafts 1303 penetrate through the side wall of the evaporation chamber 1, thesecond heating wires 1304 are arranged in thesecond cylinders 1301, and the temperature setting of thesecond heating wires 1304 in thesecond cylinders 1301 is higher than that of thesecond heating wires 1304 in thesecond cylinders 1301.

In thesecond cooling component 13, thesecond cylinder 1301 is in contact with thesubstrate 11, the liquid in thesecond cylinder 1301 cools thesubstrate 11 after film coating, the temperature of thesecond heating wire 1304 is set to be reduced from left to right in sequence, so that the temperature of thesecond cylinder 1301 in contact with thesubstrate 11 is reduced in sequence, thesubstrate 11 is enabled to have a gradual cooling process, rapid cooling is avoided, and film forming quality of thesubstrate 11 is affected.

As shown in fig. 3, the secondhollow shaft 1303 is mechanically sealed with the side wall of the evaporation chamber 1, so that thesecond cylinder 1301 can rotate, friction between the secondhollow shaft 1303 and thesubstrate 11 is reduced, a gap is avoided between the secondhollow shaft 1303 and the evaporation chamber 1, the secondhollow shaft 1303 is mechanically sealed and connected with the secondcentral tube 1303, the secondcentral tube 1303 is connected with thesecond heating wire 1304, and the rotation of the secondcentral tube 1303 and thesecond heating wire 1304 along with the rotation of the secondhollow shaft 1303 is avoided.

The number of thesecond cylinder 1301 is four, the temperatures of the foursecond heating wires 1304 are set to be increased from right to left, a secondcentral tube 1303 at the front end of the secondleft cylinder 1301 is in through connection with a secondwater inlet tube 1306, a secondcentral tube 1303 at the front end of the secondright cylinder 1301 is in through connection with a secondwater outlet tube 1307, asecond water pump 1308 is arranged on the secondwater outlet tube 1307, the secondwater inlet tube 1306 and the secondwater outlet tube 1307 are in through connection with the same secondcooling water tank 1309, and a cold source is arranged inside the secondcooling water tank 1309 and used for cooling water in the second cooling water tank; the center tubes two 1303 at the rear ends of the two cylinders two 1301 on the left side are connected with the center tubes two 1303 at the front ends of the two cylinders two 1301 on the middle side, and the center tubes two 1303 at the rear ends of the two cylinders two 1301 on the right side are connected with each other through the U-shaped tube two 1305.

Under the action of the water pump II 1308, water flows through the water inlet pipe II 1306, the barrel II 1301, the U-shaped pipe II 1305, the water outlet pipe II 1307 and the cooling water tank II 1309, the advancing direction of the water is shown by an arrow in fig. 3, the temperature of the water flow is sequentially increased after entering the barrel II 1301, the operation of gradually cooling thebase material 11 is met, the water flows out of the barrel II 1301 and then is cooled through the cooling water tank II 1309, and a circulating water path is repeatedly formed in this way, so that the resource waste is avoided.

The arrangement of thefirst cooling component 12 and thesecond cooling component 13 gradually reduces the temperature of the coatedsubstrate 11, and avoids the influence of rapid temperature reduction on the quality of the finished product of the coating layer.

It is noted that relational terms such as first and second, and the like, if any, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. The coating machine for double-sided coating comprises a coating film chamber (1) and a substrate (11), and is characterized in that an unreeling component (2), a coating film roller I (3), a guide roller I (4), a coating film roller II (5), a guide roller II (6) and a reeling component (7) are arranged in the coating film chamber (1), and the substrate (11) is reeled by the unreeling component (2) and then sequentially passes through the lower part of the coating film roller I (3), the upper part and the left part of the guide roller I (4), the lower part of the coating film roller II (5), the upper part and the right part of the guide roller II (6) and is reeled by the reeling component (7);

the evaporation chamber (1) is internally provided with an evaporation source assembly I (8) and an evaporation source assembly II (9), the evaporation source assembly I (8) is arranged below the evaporation roller I (3) and used for evaporating the A surface of the substrate (11), the evaporation source assembly II (9) is arranged below the evaporation roller II (5) and used for evaporating the B surface of the substrate (11), and the evaporation chamber (1) is externally connected with a vacuum pumping system (10).

2. The double-sided film plating machine according to claim 1, wherein the inner bottom wall of the evaporation chamber (1) is connected with a first baffle plate (101) and a second baffle plate (102), the first baffle plate (101) is positioned between the evaporation source assembly two (9) and the rolling assembly (7), and the second baffle plate (102) is positioned between the evaporation source assembly one (8) and the rolling assembly (7);

a supporting plate (81) is arranged between the first evaporation source assembly (8) and the inner bottom wall of the evaporation chamber (1) and is connected with the first evaporation source assembly through the supporting plate (81).

3. The double-sided film plating machine according to claim 1, wherein a first cooling component (12) for cooling the a surface after vapor plating of the substrate (11) is disposed in the vapor plating chamber (1), and a second cooling component (13) for cooling the B surface after vapor plating of the substrate (11) is disposed in the vapor plating chamber (1).

4. A double-sided film plating machine according to claim 3, wherein the first cooling assembly (12) comprises at least two cylinders (1201), the inside of the first cylinder (1201) is filled with liquid, two ends of the first cylinder (1201) are all connected with a hollow shaft (1202) in a penetrating way, the movable end of the hollow shaft (1202) penetrates through the side wall of the evaporation chamber (1), the inside of the first cylinder (1201) is provided with a first heating wire (1204), and the temperature setting of the first heating wire (1204) positioned inside the left cylinder (1201) is lower than the temperature setting of the first heating wire (1204) positioned inside the right cylinder (1201).

5. The double-sided coating film plating machine according to claim 4, wherein the hollow shaft I (1202) is mechanically connected with the side wall of the evaporation chamber (1) in a sealing manner, a central tube I (1203) is mechanically connected in the hollow shaft I (1202), and the central tube I (1203) is connected with a heating wire I (1204).

6. The double-sided coating machine according to claim 5, wherein the number of the first cylinders (1201) is four, the first central tube (1203) at the rear end of the first cylinder (1201) on the left side is connected with the first water inlet tube (1206) in a penetrating way, the first central tube (1203) at the rear end of the first cylinder (1201) on the right side is connected with the first water outlet tube (1207) in a penetrating way, the first water outlet tube (1207) is provided with the first water pump (1208), and the first water inlet tube (1206) and the first water outlet tube (1207) are connected with the same first cooling water tank (1209) in a penetrating way;

the central tubes (1203) at the front ends of the two cylinders (1201) at the left side are connected with each other through the U-shaped tube (1205), and the central tubes (1203) at the front ends of the two cylinders (1201) at the right side are connected with each other through the U-shaped tube (1205).

7. A double-sided film plating machine according to claim 3, wherein the second cooling assembly (13) comprises a second cylinder (1301) with at least two cooling assemblies, the second cylinder (1301) is filled with liquid, two ends of the second cylinder (1301) are all connected with a second hollow shaft (1303) in a penetrating way, a movable end of the second hollow shaft (1303) penetrates through a side wall of the evaporation chamber (1), a second heating wire (1304) is arranged in the second cylinder (1301), and a temperature setting of the second heating wire (1304) in the second cylinder (1301) on the left side is higher than a temperature setting of the second heating wire (1304) in the second cylinder (1301) on the right side.

8. The two-sided coating film plating machine according to claim 6, wherein the hollow shaft two (1303) is mechanically connected with a side wall of the evaporation chamber (1) in a sealing manner, a central tube two (1303) is mechanically connected in the hollow shaft two (1303), and the central tube two (1303) is connected with a heating wire two (1304).

9. The double-sided film plating machine according to claim 6, wherein the number of the second cylinder bodies (1301) is four, a second central pipe (1303) at the front end of the second cylinder body (1301) on the left side is connected with a second water inlet pipe (1306) in a penetrating way, a second water outlet pipe (1307) is connected with the second central pipe (1303) at the front end of the second cylinder body (1301) on the right side, a second water pump (1308) is arranged on the second water outlet pipe (1307), and the second water inlet pipe (1306) and the second water outlet pipe (1307) are connected with the same second cooling water tank (1309) in a penetrating way;

the left side two the center tube two (1303) of barrel two (1301) rear end between, the middle two the center tube two (1303) of barrel two (1301) front end between, the right side two the center tube two (1303) of barrel two (1301) rear end all link up through U type pipe two (1305) between.