阅读说明：本技术 涂布机 (Coating machine ) 是由 李卫铳 李卫燊 李智豪 黄元园 霍兆锋 于 2019-03-29 设计创作，主要内容包括：本发明公开一种涂布机,其包括放料模块、底涂模块、第一烘干模块、面涂模块、第二烘干模块及卷料模块,所述放料模块用于放置待涂布的物料,所述底涂模块用于将从放料模块传送过来的物料进行涂布,所述第一烘干模块用于对底涂模块涂布后的物料进行烘烤,所述面涂模块用于对经过所述第一烘干模块烘烤后的所述物料进行再次涂布,所述第二烘干模块用于对经过面涂模块涂布后的物料进行烘烤,所述卷料模块用于对经所述第二烘干模块烘烤后的物料进行收卷；其中,所述第二烘干模块包括红外烘干机构及热风烘干机构。本发明具有扩展性强,涂布效率高,烘干效率高,体积小,便于组装及便于使用等优点。(The invention discloses a coating machine, which comprises a material placing module, a bottom coating module, a first drying module, a surface coating module, a second drying module and a material rolling module, wherein the material placing module is used for placing materials to be coated, the bottom coating module is used for coating the materials conveyed from the material placing module, the first drying module is used for baking the materials coated by the bottom coating module, the surface coating module is used for coating the materials baked by the first drying module again, the second drying module is used for baking the materials coated by the surface coating module, and the material rolling module is used for rolling the materials baked by the second drying module; the second drying module comprises an infrared drying mechanism and a hot air drying mechanism. The invention has the advantages of strong expansibility, high coating efficiency, high drying efficiency, small volume, convenient assembly, convenient use and the like.)

1. A coating machine is characterized by comprising a material placing module, a bottom coating module, a first drying module, a surface coating module, a second drying module and a material rolling module, wherein the material placing module is used for placing materials to be coated, the bottom coating module is used for coating the materials conveyed from the material placing module, the first drying module is used for baking the materials coated by the bottom coating module, the surface coating module is used for coating the materials baked by the first drying module again, the second drying module is used for baking the materials coated by the surface coating module, and the material rolling module is used for baking the materials baked by the second drying module; the second drying module comprises an infrared drying mechanism and a hot air drying mechanism.

2. The coater according to claim 1, further comprising a deviation correcting module for correcting when the material deviates from a preset path.

3. The coating machine of claim 2, wherein the deviation rectifying module is a roll feeding deviation rectifying module, and the roll feeding deviation rectifying module moves left and right along with the material in the material moving direction during operation to rectify deviation.

4. The coating machine of claim 3, wherein the roll feeding deviation correcting module comprises an infrared sensor, a screw rod assembly, a stepping motor and a deviation correcting controller, the infrared sensor is used for detecting the position of the material and sending a position detection signal to the deviation correcting controller; the screw rod assembly is in transmission connection with the stepping motor so as to correct the deviation of the material; the deviation correcting controller is used for controlling the stepping motor according to the position detection signal.

5. A coater according to claim 1 or 2, further comprising a destaticizing module for destaticizing the material.

6. The coater of claim 1 or 2, further comprising a tension control module for controlling tension of the material.

7. The coater of claim 1 or 2, wherein the base coating module comprises a base coating pan for holding a base coating material, a base coating applicator roller positioned above the base coating pan, and a base coating metering roller extending partially into the base coating pan; the base coating metering roller is positioned on one side of the base coating feeding roller and is used for controlling the amount of the base coating coated on the surface of the material.

8. The coater of claim 7, wherein the priming module further comprises a first nip roll for applying a force to the material to adhere the material to the bottom coat applicator roll.

9. The coater according to claim 7, wherein the base coating module further comprises a first material supporting roller for supporting the material transferred from the discharge module, a first connecting arm having one end movably connected to the first material supporting roller and the other end movably connected to the first nip roller, a first spring having a first end connected to the first connecting arm and a second end connected to the first fixing post, and a first fixing post.

10. A coater according to claim 1 or 2, wherein the top coating module comprises a top coating pan for holding a top coating material, a top coating applicator roller positioned above the base coating pan, a comma doctor blade and a second nip roller, the top coating applicator roller extending partially into the top coating pan; the comma scraper is positioned above the top coating feeding roller and is used for controlling the amount of the top coating on the surface of the material; the second material pressing roller is positioned on one side of the surface coating feeding roller and is used for pressing the material to the surface coating feeding roller.

Technical Field

The invention relates to the technical field of coating, in particular to a coating machine capable of performing base coating and top coating.

Background

The coating machine is mainly used for the surface coating process production of films, paper and the like, the coating machine coats a layer of glue, paint or ink and the like with specific functions on a coiled base material, and the coiled base material is dried and then coiled, and the coating machine adopts a special multifunctional coating head and can realize the surface coating production in various forms. The existing coating machine only aims at a process of primary coating or top coating, and is not provided with a coating machine which can simultaneously produce top coating and primary coating, and the drying mode of the coating machine adopts a hot air drying mechanism, so that the hot air drying efficiency is low, and the drying tunnel is longer, and has the defects of large floor area, large equipment volume and the like.

Disclosure of Invention

The invention solves the technical problem of providing a coating machine with small volume and high production efficiency.

The invention discloses a coating machine, which comprises a material placing module, a bottom coating module, a first drying module, a surface coating module, a second drying module and a material rolling module, wherein the material placing module is used for placing materials to be coated, the bottom coating module is used for coating the materials conveyed from the material placing module, the first drying module is used for baking the materials coated by the bottom coating module, the surface coating module is used for coating the materials baked by the first drying module again, the second drying module is used for baking the materials coated by the surface coating module, and the material rolling module is used for baking the materials baked by the second drying module; the second drying module comprises an infrared drying mechanism and a hot air drying mechanism.

Preferably, the coating machine further comprises a deviation rectifying module, and the deviation rectifying module is used for rectifying when the material deviates from the preset path.

Preferably, the deviation correcting module is a coil conveying deviation correcting module, and the coil conveying deviation correcting module moves left and right along with the material in the material moving direction during working so as to correct the deviation.

Preferably, the roll feeding and deviation rectifying module comprises an infrared sensor, a screw rod assembly, a stepping motor and a deviation rectifying controller, wherein the infrared sensor is used for detecting the position of a material and sending a position detection signal to the deviation rectifying controller; the screw rod assembly is in transmission connection with the stepping motor so as to correct the deviation of the material; the deviation correcting controller is used for controlling the stepping motor according to the position detection signal.

Preferably, the coating machine further comprises a static electricity removing module, and the static electricity removing module is used for removing static electricity of the materials.

Preferably, the coating machine further comprises a tension control module for controlling the tension of the material.

Preferably, the base coating module comprises a base coating disc, a base coating feeding roller and a base coating metering roller, wherein the base coating disc is used for containing base coating, the base coating feeding roller is positioned above the base coating disc, and the base coating feeding roller partially extends into the base coating disc; the base coating metering roller is positioned on one side of the base coating feeding roller and is used for controlling the amount of the base coating coated on the surface of the material.

Preferably, the priming module further comprises a first nip roll, and the first nip roll is used for applying force to the material so as to attach the material to the priming feeding roll.

Preferably, the base coating module further comprises a first material supporting roller, a first connecting arm, a first spring and a first fixing column, the first material supporting roller is used for supporting the material conveyed from the material discharging module, one end of the first connecting arm is movably connected with the first material supporting roller, the other end of the first connecting arm is movably connected with the first material pressing roller, the first end of the first spring is connected with the first connecting arm, and the second end of the first spring is connected with the first fixing column.

Preferably, the top coating module comprises a top coating pan for holding top coating paint, a top coating applicator roller located above the bottom coating pan, a comma doctor blade and a second nip roller, the top coating applicator roller extending partially into the top coating pan; the comma scraper is positioned above the top coating feeding roller and is used for controlling the amount of the top coating on the surface of the material; the second material pressing roller is positioned on one side of the surface coating feeding roller and is used for pressing the material to the surface coating feeding roller.

The invention has the following beneficial effects: the drying device comprises a feeding module, a bottom coating module, a first drying module, a top coating module, a second drying module and a coil module, wherein the second drying module comprises an infrared drying mechanism and a hot air drying mechanism, and the infrared drying mechanism and the hot air drying mechanism are matched with each other, so that the drying device is high in drying efficiency, short in drying channel and small in overall size. In addition, the bottom coating module and the surface coating module are integrated on the same equipment, so that materials on the emptying module are directly coiled by the coiling module after being coated by the bottom coating module and the surface coating module, the whole coating process is completed, and the materials do not need to be stored and transported for many times, so that the production efficiency is high. Finally, after the primary coating coated on the primary coating module is dried by the first drying module, the top coating module immediately carries out top coating, so that the coating adhesion is good, the heat of the second drying module for drying the top coating module is saved, and the energy is saved.

Drawings

Fig. 1 is a schematic view of a structure of a preferred embodiment of a coater of the present invention.

FIG. 2 is a schematic structural view of a part of the structure of the coater of the present invention shown in FIG. 1.

FIG. 3 is a schematic structural view of a part of the structure of the coater of the present invention shown in FIG. 1.

FIG. 4 is a schematic structural view of a part of the structure of the coater of the present invention shown in FIG. 1.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and examples. It should be noted that, if not conflicting, the embodiments of the present invention and the features of the embodiments may be combined with each other within the scope of protection of the present invention.

Referring to fig. 1 to 4, the present invention discloses a coating machine, including a housing 1, and a discharging module 2, a priming coating module 3, a first drying module 4, a top coating module 5, a second drying module 6 and a material rolling module 7 arranged in the housing 1, the discharging module 2 is used for placing materials to be coated, the priming coating module 3 is used for coating the materials transmitted from the discharging module 2, the first drying module 4 is used for baking the material coated by the base coating module 3, the top coating module 5 is used for coating the material baked by the first drying module 4 again, the second drying module 6 is used for baking the material coated by the top coating module 5, and the material rolling module 7 is used for baking the material baked by the second drying module 6; the second drying module 6 includes an infrared drying mechanism 61 and a hot air drying mechanism 62. And each module is provided with an independent control circuit for corresponding control. The coil stock module 7 is an air expansion shaft and thus can be loaded with heavy load.

Preferably, the housing 1 is formed by splicing a plurality of small housings 1, the small housings 1 are detachably connected, and the emptying module 2, the base coating module 3, the first drying module 4, the surface coating module 5, the second drying module 6 and the coil material module 7 are positioned in at least one small housing 1, so that the assembly efficiency can be improved. In this embodiment, the base coating module 3, the first drying module 4, and the top coating module 5 are all located in the same small housing 1, the first drying module 4 is located above the base coating module 3, and the top coating module 5 is located above the first drying module 4. The hot air drying mechanism 62 includes a first drying group 621 and a second drying group 622, the first drying group 621 is horizontally disposed and located between the top coating module 5 and the second drying group 622, and the second drying group 622 and the outer drying mechanism 61 are obliquely disposed.

The infrared drying mechanism 61, the hot air drying mechanism 62 and one of the small housings 1 form an oven, and a plurality of infrared lamps and air suction openings are arranged in the oven and can be distributed on a material conveying path in parallel. The infrared lamp is arranged in a lampshade above the inner cavity of the oven, a hot air outlet is formed by combining the lampshade and the lampshade, and an air suction opening is formed between the inner cavity of the oven and the outer cavity. The opening mode of the oven is an upturning mode, and the installation material is very convenient and easy to operate.

Preferably, the coating machine further comprises a deviation rectifying module 8, wherein the deviation rectifying module 8 is used for rectifying when the material deviates from the preset path, so that the coating is uniform, the yield of products is improved, and the rolled material is tidy. In this embodiment, the deviation rectifying module 8 is a coil feeding deviation rectifying module 8, and during operation, the coil feeding deviation rectifying module 8 and the material move together in the material moving direction to rectify the deviation. That is, when detecting that the material deviates, the roll feeding deviation correcting module 8 conveys the material toward the preset target by clamping the material, and then returns to the preset target again, so that the conveying is performed for multiple times until the material does not deviate.

Preferably, the roll feeding deviation correcting module 8 includes an infrared sensor (not shown in the figure), a screw rod assembly 81, a stepping motor 82 and a deviation correcting controller (not shown in the figure), and the infrared sensor is used for detecting the position of the material and sending a position detection signal to the deviation correcting controller; the screw rod assembly 81 is in transmission connection with the stepping motor 82 so as to correct the deviation of the material; the deviation correction controller is used for controlling the stepping motor 82 according to the position detection signal.

Preferably, the coating machine further comprises a static electricity removing module, and the static electricity removing module is used for removing static electricity of the materials. The static removing module comprises a static removing rod (not shown in the figure), and when the static removing module works, the static removing rod actively discharges electric ions to counteract the static ions, so that the static removing effect is quick and thorough. The function is mainly aimed at the generation of static electricity in the paper feeding process of the film materials.

Preferably, the coating machine further comprises a tension control module 9, wherein the tension control module 9 is used for controlling the tension of the material. The tension control module 9 comprises a plurality of feeding tension rollers 91 and a plurality of coil material tension rollers 92, wherein the feeding tension rollers 91 are positioned on the discharging module 2 and the material conveying path between the bottom coating modules 3, so that the materials can be coated more uniformly in the conveying process. The web tensioning roller 92 is located upstream of the web module 7, so that wrinkles of the material being wound are better avoided.

Preferably, the base coating module 3 comprises a base coating pan 31, a base coating feeding roller 32 and a base coating metering roller 33, wherein the base coating pan 31 is used for loading base coating, the base coating feeding roller 32 is positioned above the base coating pan 31, and the base coating feeding roller 32 partially extends into the base coating pan 31; the base metering roll 33 is located on one side of the base applicator roll 32 and is used to control the amount of base coating material applied to the surface of the material, and thus the application is more uniform.

Preferably, the priming module 3 further comprises a first nip roll 34, and the first nip roll 34 is used for applying force to the material so as to attach the material to the bottom coating applicator roll 32.

Preferably, the base coating module 3 further comprises a first material supporting roller 35, a first connecting arm 36, a first spring 37 and a first fixing post 38, the first material supporting roller 35 is used for supporting the material conveyed from the discharging module 2, one end of the first connecting arm 36 is movably connected with the first material supporting roller 35, the other end of the first connecting arm 36 is movably connected with the first nip roller 34, the first end of the first spring 37 is connected with the first connecting arm 36, and the second end of the first spring 37 is connected with the first fixing post 38, so that the material can be better attached to the base coating feeding roller 32.

Preferably, the top coating module 5 comprises a top coating pan 51, a top coating applicator roll 52, a comma doctor blade 53 and a second nip roll 54, the top coating pan 51 being used for applying a top coating, the top coating applicator roll 52 being located above the bottom coating pan 31, the top coating applicator roll 52 extending partially into the top coating pan 51; the comma blade 53 is positioned above the top-coat applicator roll 52 for controlling the amount of top-coat paint applied to the surface of the material, and thus more accurately controlling mian. The second nip roll 54 is located on one side of the top-coat applicator roll 52, and the second nip roll 54 is used for pressing the material against the top-coat applicator roll 52. In this embodiment, the length of the whole paper path of the coating machine is only 15 meters, and the paper path in the oven is about 7 meters. The coating speed can reach more than 10 m/min. The size of the whole equipment is 3.7x1.05x1.6 meters, and the floor area is only 3.8 square meters.

In summary, the invention comprises the emptying module 2, the base coating module 3, the first drying module 4, the top coating module 5, the second drying module 6 and the material rolling module 7, wherein the second drying module 6 comprises an infrared drying mechanism 61 and a hot air drying mechanism 62, and the infrared drying mechanism 61 and the hot air drying mechanism 62 are matched with each other, so that the baking efficiency is high, the drying tunnel is short, and the whole volume of the equipment is small. In addition, the bottom coating module 3 and the surface coating module 5 are integrated on the same equipment, so that materials on the emptying module 2 are directly coiled by the coiling module 7 after being coated by the bottom coating module 3 and the surface coating module 5, the whole coating process is completed, and the materials do not need to be stored and transported for many times, so that the production efficiency is high. Finally, the top coating module 5 can be used for top coating immediately after the first drying module 4 dries the base coating coated on the base coating module 3, so that the coating adhesion is good, the heat of the second drying module 6 for drying the top coating module 5 is saved, and the energy is saved.

The coating machine provided by the invention is described in detail above, and the principle and the implementation mode of the invention are explained in the text by applying specific examples, and the description of the above examples is only used for helping understanding the method of the invention and the core idea thereof; meanwhile, for a person skilled in the art, according to the idea of the present invention, the specific embodiments and the application range may be changed. In summary, the present disclosure is only an embodiment of the present disclosure, and not intended to limit the scope of the present disclosure, and all equivalent structures or equivalent flow transformations made by using the present disclosure and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present disclosure, and should not be construed as limiting the present disclosure.