Laminating device capable of adjusting coating thickness and used for producing laminated paper

Abstract

The utility model relates to the technical field of coated paper production equipment, in particular to a coating thickness adjustable coating device for coated paper production, which comprises a coating box, the top and the bottom of the coating box are communicated with the outside, and a coating roller is rotatably connected between a front plate body and a rear plate body of the coating box through a rotating shaft. A servo motor is coaxially arranged at the end of the coating roller, a scraper is arranged in the coating box, a discharging gap is formed between the bottom end of the scraper and the coating roller, an electric push rod is fixedly installed on the inner wall of one side of the coating box, the tail end of a telescopic shaft of the electric push rod is fixedly installed on the back face of the scraper, and a film spraying liquid storage tank is arranged on one side of the coating box. A film spraying head is arranged above the coating roller, a plurality of film spraying pipes are arranged at the bottom of the film spraying head, and film spraying liquid is conveyed between the film spraying head and the film spraying liquid storage tank through a conveying pump. The coating device has the function of adjusting the coating thickness, and is convenient to prepare and use as required.

Description

TECHNICAL FIELD

[0001] The utility model relates to the production equipment technical field of membrane paper, concretely relates to the membrane device of adjustable coating thickness for membrane paper production. BACKGROUND

[0002] Membrane paper is a kind of special paper that a layer of plastic film is covered on the surface of paper through membrane process, and the common material of the film is polyethylene (PE), polypropylene (PP) and the like, and the membrane paper has the advantages of waterproof, moisture-proof, oil-proof and dirt-proof; The membrane paper is widely applied in packaging, printing and other industries, and its quality depends largely on the effect of membrane, especially the uniformity and adjustability of coating thickness.

[0003] The traditional membrane device has certain defects in coating thickness control, and the position of the coating roller thereon is fixed, the position of the scraper is also determined, and the scraper cannot be adjusted, so that the distance between the coating roller and the scraper is constant, which further causes the membrane device to lack effective self-adaptive adjustment capability when facing different specifications and materials of paper, and the water absorption, surface roughness and other characteristics of different paper are obviously different, so the device is difficult to adjust the coating thickness according to these characteristics, thereby affecting the quality stability of the membrane paper and further affecting the coating preparation. UTILITY MODEL CONTENTS

[0004] The utility model discloses a membrane device of adjustable coating thickness for membrane paper production, which is used to solve the defects in the background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] The membrane device of adjustable coating thickness for membrane paper production includes a coating box, the top and bottom of the coating box are connected with the outside, a coating roller is rotatably connected between the front and rear side plates of the coating box through a rotating shaft, a servo motor is coaxially arranged at the end of the coating roller, a scraper is arranged in the coating box, a discharge gap is arranged between the bottom end of the scraper and the coating roller, an electric push rod is fixedly installed on the inner wall of one side of the coating box, the telescopic shaft of the electric push rod is fixedly installed on the back of the scraper, a membrane liquid storage tank is arranged on one side of the coating box, a membrane head is arranged above the coating roller, a plurality of membrane pipes are arranged at the bottom of the membrane head, and the membrane head and the membrane liquid storage tank are connected through a conveying pump to convey the membrane liquid.

[0007] Preferably, a guide sleeve is fixedly installed on the inner wall of one side of the coating box, a guide column is fixedly installed on the back of the scraper, and the guide column is slidably connected between the guide sleeve.

[0008] Preferably, the top surface of the coating box is hingedly connected with a dustproof cover through a hinge, and a handle is fixedly installed on the upper surface of the dustproof cover.

[0009] Preferably, the bottom end of the coating liquid storage tank is fixedly installed with a conical cylinder, the conveying pump is connected with the conical cylinder through a suction pipe, and the liquid outlet end of the conveying pump is connected with the coating head through a conveying pipe.

[0010] Preferably, the end of the suction pipe is fixedly installed at the bottom end of the conical cylinder, and a flow regulating valve is fixedly installed on the conveying pipe.

[0011] Preferably, the top of the coating liquid storage tank is detachably connected with a top cover, and a feeding pipe connected with the inside of the coating liquid storage tank is fixedly installed on the top cover.

[0012] Preferably, the conical cylinder is funnel-shaped, and the plane where the inner wall of the conical cylinder is located is arranged to be downwardly inclined by 45-60 degrees.

[0013] Preferably, a stirring motor is fixedly installed at the center of the top surface of the top cover, a stirring shaft arranged vertically is fixedly installed at the output shaft end of the stirring motor, stirring blades are fixedly installed on the stirring shaft, and the stirring blades are located in the coating liquid storage tank.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] 1. The utility model discloses a coating device for coating paper, which comprises a coating box, a coating roller, a scraper, a motor, a transmission mechanism and a control device.

[0016] 2. The utility model discloses a coating device for coating paper, which comprises a coating box, a coating roller, a scraper, a motor, a transmission mechanism and a control device.

[0017] 3. The utility model discloses a coating device for coating paper, which comprises a coating box, a coating roller, a scraper, a motor, a transmission mechanism and a control device.BRIEF DESCRIPTION OF DRAWINGS BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the partial structure schematic view one of the utility model;

[0020] Figure 3 It is the partial structure schematic view two of the utility model;

[0021] Figure 4 It is the partial structure schematic view three of the utility model;

[0022] The meaning of each reference numeral in the drawing is as follows:

[0023] 1, coating box;10, coating roller;11, servo motor;12, electric push rod;13, doctor blade;131, discharge gap;14, guide column;141, guide sleeve;15, dust cover;151, handle;

[0024] 2, film coating liquid storage tank;20, conical cylinder;21, delivery pump;211, suction pipe;22, delivery pipe;23, flow regulating valve;24, film coating head;241, film coating pipe;25, top cover;26, feed pipe;

[0025] 3, stirring motor;30, stirring shaft;31, stirring blade. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-4 The utility model provides a kind of technical scheme: the film coating device of adjustable coating thickness for film coating paper production, including coating box 1, the top and bottom of coating box 1 are connected with outside, and the front and rear two side plates of coating box 1 are rotatably connected with coating roller 10 by pivot, and the end of coating roller 10 is coaxially provided with servo motor 11, and servo motor 11 is fixedly installed on the outer surface of coating box 1, and the pivot connecting portion of coating roller 10 and coating box 1 can be sealed by mechanical seal, to avoid leakage;

[0028] Specifically, the coating box 1 is provided with a scraper 13, and a discharge gap 131 is arranged between the bottom end of the scraper 13 and the coating roller 10. An electric push rod 12 is fixedly installed on the inner wall of one side of the coating box 1, and the distal end of the telescopic shaft of the electric push rod 12 is fixedly installed on the back of the scraper 13. The size of the discharge gap 131 can be accurately adjusted. According to the production requirements, the coating thickness of the film coating can be accurately adjusted by controlling the extension and retraction of the electric push rod 12, so that the device can adapt to the production of film-coated paper with different thickness requirements.

[0029] In this embodiment, a guide sleeve 141 is fixedly installed on the inner wall of one side of the coating box 1, and a guide column 14 is fixedly installed on the back of the scraper 13. The guide column 14 is slidably connected between the guide sleeve 141, which ensures that the scraper 13 can move smoothly when the electric push rod 12 pushes the scraper 13 to adjust the discharge gap 131, and prevents the scraper 13 from deviating or shaking, making the coating thickness adjustment process more accurate and reliable.

[0030] Specifically, a dust cover 15 is hingedly connected to the top surface of the coating box 1. When the dust cover 15 is closed, dust and other impurities can be effectively prevented from entering the coating box 1, and impurities can be prevented from mixing with the film coating liquid to affect the film coating quality. A handle 151 is fixedly installed on the upper surface of the dust cover 15, which can conveniently open and close the dust cover 15, and facilitate the inspection and maintenance of the inside of the coating box 1.

[0031] Further, a film coating liquid storage tank 2 is arranged on one side of the coating box 1, a film coating head 24 is arranged above the coating roller 10, and a plurality of film coating pipes 241 are arranged at the bottom of the film coating head 24. The film coating head 24 and the film coating liquid storage tank 2 are connected through a delivery pump 21 to deliver the film coating liquid. A conical cylinder 20 is fixedly installed at the bottom end of the film coating liquid storage tank 2. The delivery pump 21 and the conical cylinder 20 are connected through a suction pipe 211. The outlet end of the delivery pump 21 and the film coating head 24 are connected through a delivery pipe 22. The conical cylinder 20 is in the shape of a funnel. The plane of the inner wall of the conical cylinder 20 is inclined downward by 45°-60°. The end of the suction pipe 211 is fixedly installed at the bottom end of the conical cylinder 20. A flow regulating valve 23 is fixedly installed on the delivery pipe 22, so that the film coating liquid can flow to the bottom, and the delivery pump 21 can be used to extract the film coating liquid from the bottom end of the conical cylinder 20 through the suction pipe 211. This improves the efficiency of using the film coating liquid and ensures the stability of the film coating liquid supply.

[0032] In addition, a top cover 25 is fixedly installed on the top of the film coating liquid storage tank 2 through a plurality of fastening bolts. An inlet pipe 26 is fixedly installed on the top cover 25 and is connected to the inside of the film coating liquid storage tank 2. The film coating liquid can be added from the top. The detachable top cover 25 facilitates the cleaning and maintenance of the inside of the film coating liquid storage tank 2, and ensures the hygiene of the film coating liquid storage environment.

[0033] It is worth mentioning that the top surface center position of the top cover 25 is fixedly installed with the stirring motor 3, the output shaft end of the stirring motor 3 is fixedly installed with the stirring shaft 30 arranged vertically, the stirring shaft 30 is fixedly installed with the stirring blade 31, the stirring blade 31 is located in the coating liquid storage tank 2, the stirring motor 3 drives the stirring shaft 30 and the stirring blade 31 on the stirring shaft 30 to rotate in the coating liquid storage tank 2, so that the coating liquid can be fully mixed, precipitation and stratification are prevented, the composition of the coating liquid is ensured to be uniform and consistent, and therefore the stability and consistency of the coating effect in the coating process are ensured.

[0034] Finally, it should be noted that the servo motor 11, the electric push rod 12, the conveying pump 21, the flow regulating valve 23 and the stirring motor 3 and other components involved in the utility model are all general standard components or components known to those skilled in the art, the structure and principle of which can be known by the technical personnel through a technical manual or through a conventional experimental method, at the idle place of the device, all the electrical components, power elements, electrical components and the matched controllers and power supplies are connected through wires, the specific connection means should be referred to the working principle in the utility model, the electrical components are electrically connected in the order of working sequence, and the detailed connection means are all known technologies in the art.

[0035] The coating thickness adjustable coating device for coating paper production of the utility model is used, the stirring motor 3 is started, the stirring shaft 30 and the stirring blade 31 are driven to stir the coating liquid, and the composition is ensured to be uniform.

[0036] During formal production, the paper to be coated is introduced from one side below the coating box 1 and led out from the other side, the paper moves to below the coating roller 10 under the guidance of the guide roller, the conveying pump 21 is started, the coating liquid is collected in the conical cylinder 20, is extracted by the suction pipe 211, passes through the conveying pipe 22, is adjusted in flow by the flow regulating valve 23, and then is dropped on the coating roller 10 from the coating pipe 241 at the bottom of the coating head 24, according to the required coating thickness, the electric push rod 12 is controlled, the telescopic shaft drives the scraper 13, the guide column 14 stably slides in the guide sleeve 141, the discharge gap 131 between the scraper 13 and the coating roller 10 is accurately adjusted, then the servo motor 11 drives the coating roller 10 to rotate, the coating liquid is uniformly coated on the paper, the excess coating liquid is scraped off by the scraper, and the coating thickness adjustable operation is completed.

[0037] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A film applicator device for the production of cast film paper, comprising an application box (1), characterized in that: The top and bottom of the coating box (1) are connected with the outside, a coating roller (10) is rotatably connected between the front and rear side plates of the coating box (1) through a rotating shaft, a servo motor (11) is coaxially arranged at the end of the coating roller (10), a scraper (13) is arranged in the coating box (1), a discharge gap (131) is arranged between the bottom end of the scraper (13) and the coating roller (10), an electric push rod (12) is fixedly installed on the inner wall of one side of the coating box (1), the telescopic shaft of the electric push rod (12) is fixedly installed on the back of the scraper (13), a film forming liquid storage tank (2) is arranged on one side of the coating box (1), a film forming head (24) is arranged above the coating roller (10), a plurality of film forming pipes (241) are arranged at the bottom of the film forming head (24), and the film forming head (24) and the film forming liquid storage tank (2) are connected through a conveying pump (21) to convey the film forming liquid.

2. The adjustable coating thickness applicator for production of a coated paper according to claim 1, characterized in that: A guide sleeve (141) is fixedly installed on the inner wall of one side of the coating box (1), a guide column (14) is fixedly installed on the back of the scraper (13), and the guide column (14) is slidably connected between the guide sleeve (141).

3. The adjustable coating thickness applicator for production of a coated paper according to claim 1, characterized in that: A dustproof cover (15) is hingedly connected to the top surface of the coating box (1), and a handle (151) is fixedly installed on the upper surface of the dustproof cover (15).

4. The adjustable coating thickness applicator for production of a coated paper according to claim 1, wherein: A conical cylinder (20) is fixedly installed at the bottom end of the film forming liquid storage tank (2), the conveying pump (21) and the conical cylinder (20) are connected through a suction pipe (211), and the liquid outlet end of the conveying pump (21) and the film forming head (24) are connected through a conveying pipe (22).

5. The adjustable coating thickness applicator for production of a coated paper according to claim 4, characterized in that: The end of the suction pipe (211) is fixedly installed at the bottom end of the conical cylinder (20), and a flow regulating valve (23) is fixedly installed on the conveying pipe (22).

6. The adjustable coating thickness applicator for production of a coated paper according to claim 1, wherein: A top cover (25) is detachably connected to the top of the film forming liquid storage tank (2), and a feeding pipe (26) connected with the inside of the film forming liquid storage tank (2) is fixedly installed on the top cover (25).

7. The adjustable coating thickness applicator for production of a coated paper according to claim 5, wherein: The conical cylinder (20) is funnel-shaped, and the plane where the inner wall of the conical cylinder (20) is located is inclined downward by 45-60 degrees.

8. The adjustable coating thickness applicator for production of a coated paper according to claim 6, characterized in that: A stirring motor (3) is fixedly installed at the center of the top surface of the top cover (25), a stirring shaft (30) arranged in a vertical manner is fixedly installed at the output shaft of the stirring motor (3), stirring blades (31) are fixedly installed on the stirring shaft (30), and the stirring blades (31) are located in the film forming liquid storage tank (2).

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