CN210411340U

CN210411340U - Double-roller type coating machine

Info

Publication number: CN210411340U
Application number: CN201920779764.3U
Authority: CN
Inventors: 黄少林; 熊春霞
Original assignee: Jingmen Kingtiger Electronic Materials Co ltd
Current assignee: Jingmen Kingtiger Electronic Materials Co ltd
Priority date: 2019-05-27
Filing date: 2019-05-27
Publication date: 2020-04-28
Anticipated expiration: 2029-05-27

Abstract

The utility model discloses a double-roll coater, which comprises a preheating mechanism, a heat-resistant pipe, a glue coating mechanism, a composite roll and a liquid cooling roll, wherein the preheating mechanism is communicated with the glue coating mechanism through the heat-resistant pipe; the glue coating mechanism is arranged between the composite roller and the liquid cooling roller, and the discharge end of the glue coating mechanism is positioned close to the composite roller and used for providing glue stock for the film on the composite roller; the compound roller with the tangent setting of liquid cooling roller surface, and the film warp compound roller with the tangent department coating compaction of liquid cooling roller. The utility model discloses a cooperation of compound roller and liquid cooling roller is used, and messenger's coating has the film of hot melt adhesive when between the two, can accomplish compaction and cooling simultaneously, and it is more even to make the product sizing material distribution that makes, has improved sizing material coating quality and efficiency height.

Description

Double-roller type coating machine

Technical Field

The utility model relates to a surface machining technical field, especially a double roll formula coating machine.

Background

At present, when the sheet resistor and capacitor packaging tape is prepared, hot melt adhesive needs to be uniformly coated on a film, usually in the process of coating the hot melt adhesive, a product can enter a drying area after coating is finished, and the product can be rolled and packaged after cooling. In the prior art, the coated product is usually dried by adopting an air cooling mode, but the film coated with the sizing material is usually moved for a certain distance during conveying to a drying zone, so that the hot melt adhesive which is not dried on the film flows to a certain extent in the conveying process, and the final sizing material is distributed unevenly; meanwhile, the existing drying mode has lower efficiency and can not meet the requirement of large-scale production. It is therefore highly desirable to provide a new hot melt adhesive coating apparatus for solving the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a double-roll coating machine for solve prior art wind cold drying mode and can make the sizing material distribute uneven and the lower problem of drying efficiency.

In order to solve the technical problem, the utility model provides a double-roller type coating machine, which comprises a preheating mechanism, a heat-resistant pipe, a coating mechanism, a composite roller and a liquid cooling roller, wherein the preheating mechanism is communicated with the coating mechanism through the heat-resistant pipe; the glue coating mechanism is arranged between the composite roller and the liquid cooling roller, and the discharge end of the glue coating mechanism is positioned close to the composite roller and used for providing glue stock for the film on the composite roller; the composite roller is arranged in a tangent mode with the outer surface of the liquid cooling roller, and the film is cooled and compacted when passing through the tangent position of the composite roller and the liquid cooling roller.

Preferably, the preheating mechanism comprises a storage tank, a material guide pipe and an extruder, and the storage tank is communicated with the extruder through the material guide pipe.

Preferably, the extruder comprises a first preheating unit, a second preheating unit and a third preheating unit, and inner cavities of the first preheating unit, the second preheating unit and the third preheating unit are communicated in sequence; the first preheating unit, the second preheating unit and the third preheating unit are sequentially arranged in an increasing mode according to a preset temperature gradient and are used for heating the rubber material step by step.

Preferably, the gluing mechanism comprises a plurality of gluing units, and cavities for allowing the glue to pass through are formed in the gluing units and are communicated in sequence.

Preferably, the gluing unit comprises a fixing piece and a gluing piece, cavities for the glue to pass through are formed in the fixing piece and the gluing piece and are communicated with each other, and the discharge end of the gluing piece is close to the position of the composite roller and used for providing the glue to the film on the composite roller.

Preferably, the double-roll coater further comprises a liquid cooling roll support and a conveying roll, the liquid cooling roll support is rotatably connected with two ends of the center of the liquid cooling roll, and the conveying roll and one side, far away from the composite roll, of the liquid cooling roll are arranged in a tangent mode.

The utility model has the advantages that: be different from prior art's condition, the utility model discloses a compound roller is used with the cooperation of liquid cooling roller, and the film that makes the coating have the hot melt adhesive can accomplish compaction and cooling simultaneously when between the two, makes the product sizing material distribution that makes more even, and it is higher to have improved sizing material coating quality and efficiency.

Drawings

Fig. 1 is a schematic structural view of an embodiment of a twin roll coater of the present invention;

FIG. 2 is a side view taken along direction A of FIG. 1;

in the figure: 1: a preheating mechanism; 11: a material storage tank; 12: a material guide pipe; 13: an extruder; 13 a: a first preheating unit; 13 b: a second preheating unit; 13 c: a third preheating unit; 2: a heat resistant pipe; 3: a gluing mechanism; 31: a gluing unit; 31 a: a fixing member; 31 b: gluing parts; 4: a compound roller; 5: a liquid cooling roller; 6: a liquid cooling roller bracket; 7: a conveying roller; 8: a film.

Detailed Description

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

Referring to fig. 1 and 2, fig. 1 is a schematic structural view of an embodiment of a twin roll coater of the present invention, and fig. 2 is a side view along direction a in fig. 1. The utility model discloses a middle double-roll coater comprises a preheating mechanism 1, a heat-resistant pipe 2, a glue coating mechanism 3, a composite roll 4 and a liquid cooling roll 5, wherein, the preheating mechanism 1 is communicated with the glue coating mechanism 3 through the heat-resistant pipe 2; the glue coating mechanism 3 is arranged between the composite roller 4 and the liquid cooling roller 5, and the discharge end of the glue coating mechanism 3 is positioned close to the composite roller 4 and used for providing glue stock for the film 8 on the composite roller 4; the compound roller 4 is arranged in a tangent mode with the outer surface of the liquid cooling roller 5, and the film 8 is cooled and compacted at the tangent position of the compound roller 4 and the liquid cooling roller 5.

Specifically, the respective constituent parts of the above-described two-roll coater will be described separately. The preheating mechanism 1 comprises a material storage tank 11, a material guide pipe 12 and an extruder 13, wherein the material storage tank 11 is communicated with the extruder 13 through the material guide pipe 12; the extruder comprises a first preheating unit 13a, a second preheating unit 13b and a third preheating unit 13c, inner cavities of the first preheating unit 13a, the second preheating unit 13b and the third preheating unit 13c are sequentially communicated, and the first preheating unit 13a, the second preheating unit 13b and the third preheating unit 13c are sequentially arranged in an increasing mode according to a preset temperature gradient and are used for heating the rubber material step by step, so that moisture in the rubber material can be fully evaporated, and the problem of decomposition of the rubber material caused by too fast temperature change during heating is solved; in other embodiments, an appropriate number of preheating units may be selected according to actual conditions for communicating and combining, and some conventional known devices such as a temperature controller may be introduced to monitor and control the temperature of each preheating unit in real time, so as to achieve precise control of the stepwise heating of the sizing material, which is not described in detail herein.

Specifically, the gluing mechanism 3 comprises a plurality of gluing units 31, cavities for glue to pass through are formed in the gluing units 31 and are communicated in sequence, the length of the gluing mechanism 3 is matched with the width of the film 8 on the composite roll 4, and the number of the gluing units 31 can be adaptively set according to the actual width of the film 8; the gluing unit 31 comprises a fixed part 31a and a gluing part 31b, cavities for the glue to pass through are arranged in the fixed part 31a and the gluing part 31b and are communicated with each other, and the discharge end of the gluing part 31b is close to the compound roller 4 and is used for providing the glue for the film 8 on the compound roller 4; in this embodiment, the gluing member 31b is obliquely communicated with the fixing member 31a, and the discharge end of the gluing member 31b is nearly tangent to the composite roll 4, so that the gluing member 31b can uniformly coat the glue on the surface of the film 8 on the composite roll 4.

Specifically, the double-roll coater also comprises a liquid cooling roll bracket 6 and a conveying roll 7, wherein the liquid cooling roll bracket 6 is rotatably connected with two ends of the axle center of the liquid cooling roll 5 to support the liquid cooling roll 5; the conveying roller 7 is arranged in a tangent mode with one side, far away from the composite roller, of the liquid cooling roller 5 and is used for conveying and guiding out the film 8 after being coated and compacted so as to carry out subsequent further drying and rolling processes; the liquid cooling roller 5 can adopt a conventional well-known hollow circulating liquid cooling structure, so that the liquid cooling roller 5 and the composite roller 4 can press the film 8 coated with the sizing material and simultaneously cool the film, and the sizing material and the film are combined more tightly.

Further, the operation of the double roll coater will be described in detail with reference to the structural description of the double roll coater. The rubber material stored in the material storage tank 11 is led into an extruder 13 through a material guide pipe 12, and as the first preheating unit 13a, the second preheating unit 13b and the third preheating unit 13c are sequentially and progressively arranged in a preset temperature gradient manner, the rubber material can be gradually heated and water in the rubber material can be fully evaporated when passing through the first preheating unit 13a, the second preheating unit 13b and the third preheating unit 13c in sequence, and then the rubber material is led into the rubber coating mechanism 3 through the heat-resistant pipe 2; the gluing mechanism 3 comprises a plurality of gluing units 31, cavities for glue to pass through are formed in the gluing units 31 and are communicated in sequence, and when the glue is led into the gluing mechanism 3, the glue is conveyed to each gluing unit 31 and synchronously dripped from the discharge end of a gluing piece 31b of each gluing unit 31 and uniformly distributed on the surface of the film; the motor drives the composite roller 4 and the liquid cooling roller 5 to run, the film 8 is led in from one side of the composite roller 4, after the glue is coated on the film 8 by the glue coating piece 31b, the film 8 attached with the glue is sent between the composite roller 4 and the liquid cooling roller 5 to be compacted, and meanwhile, the liquid cooling roller 5 is used for synchronously cooling the attached glue so that the glue is tightly combined with the film 8; the transfer roller 7 transfers the coated and compacted film 8 out for further subsequent drying and winding processes, thereby completing the glue coating process.

Be different from prior art's condition, the utility model discloses a compound roller is used with the cooperation of liquid cooling roller, and the film that makes the coating have the hot melt adhesive can accomplish compaction and cooling simultaneously when between the two, makes the product sizing material distribution that makes more even, and it is higher to have improved sizing material coating quality and efficiency.

The above-mentioned embodiments only express the 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 those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A double-roller coater is characterized by comprising a preheating mechanism, a heat-resistant pipe, a glue coating mechanism, a composite roller and a liquid cooling roller, wherein,

the preheating mechanism is communicated with the gluing mechanism through the heat-resistant pipe;

the glue coating mechanism is arranged between the composite roller and the liquid cooling roller, and the discharge end of the glue coating mechanism is positioned close to the composite roller and used for providing glue stock for the film on the composite roller;

the compound roller with the tangent setting of liquid cooling roller surface, just the film warp compound roller with by the cooling compaction when the tangent department of liquid cooling roller.

2. The twin roll coater according to claim 1, wherein the preheating mechanism comprises a storage tank, a guide pipe, and an extruder, the storage tank communicating with the extruder through the guide pipe.

3. The twin roll coater according to claim 2, wherein the extruder comprises a first preheating unit, a second preheating unit and a third preheating unit, and inner cavities of the first preheating unit, the second preheating unit and the third preheating unit are sequentially communicated;

the first preheating unit, the second preheating unit and the third preheating unit are sequentially arranged in an increasing mode according to a preset temperature gradient and are used for heating the sizing material step by step.

4. The twin-roll coater according to claim 1, wherein the coating mechanism comprises a plurality of coating units, and cavities for the adhesive to pass through are formed in the plurality of coating units and are sequentially communicated with each other.

5. The dual roll coater according to claim 4, wherein the glue application unit comprises a fixing member and a glue application member, the fixing member and the glue application member are provided with cavities for passing glue therethrough and are communicated with each other, and a discharge end of the glue application member is close to the laminating roll and is used for providing glue to the film on the laminating roll.

6. The dual roll coater of claim 1, further comprising a liquid cooling roll holder and a transfer roll, wherein the liquid cooling roll holder is rotatably connected to both ends of the center of the liquid cooling roll, and the transfer roll is tangent to the side of the liquid cooling roll away from the composite roll.