Homogenizing gluing device

Abstract

The utility model discloses a homogenized gluing device, the homogenized gluing device comprises a gluing machine base, a gluing roller, a glue hanging mechanism and a glue layer thickness control mechanism, the gluing roller is installed in the gluing machine base, the glue hanging mechanism comprises a glue storage tank and a glue tank frame, the glue tank frame is fixed right below the gluing roller, the glue storage tank is connected with the glue storage tank, and the glue layer thickness control mechanism is connected with the glue storage tank. The glue storage tank is installed on the glue tank frame, the lower edge of the roller face of the glue coating roller is located below the liquid level of glue liquid in the glue storage tank, the glue layer thickness control mechanism is a glue scraping knife, and the glue scraping knife is installed at the position, close to a glue coating area, of one side of the glue coating roller. The distance between the cutting edge of the glue scraping knife and the roller surface of the glue spreading roller can be adjusted according to the process requirement, and the vertical projection of the glue scraping knife is positioned in the glue storage tank below the glue scraping knife. Through the mode, the influence of the periodic change of the liquid level on a roller surface adhesive layer can be effectively reduced, the coating consistency is enhanced, and the stability of the product quality is further improved.

Description

Technical Field

[0001] The utility model relates to the field of papermaking production equipment, in particular to a homogenizing glue coating device. Background Art

[0002] In cardboard processing, it is usually necessary to use special gluing equipment to apply glue to the surface of the cardboard to fix the multiple layers of cardboard together. The structure and operation of the commonly used gluing machines are relatively complicated. In the process of gluing, it is easy for the glue to fly and cause damage to the glue liquid, and the glue is not evenly distributed. In order to improve the above problems, patent number CN205797629U proposes a gluing machine that applies glue through a glue storage tank and a glue roller. The device has a simple structure and relatively uniform coating. However, it is found in actual use that the glue liquid in the glue storage tank will continue to decrease with the use time, and then replenish the glue liquid after reaching the limit position. In this way, the contact area between the glue roller and the liquid surface will change with the change of the liquid level, which will cause the glue amount on the glue roller to change periodically as the liquid level decreases, and then the glue amount on the cardboard during coating will also change periodically, which significantly reduces the consistency of product quality. Utility Model Content

[0003] The main technical problem solved by the utility model is to provide a homogenizing glue coating device, which can improve the uniformity of glue coating by a glue coating machine and enhance the stability of product quality.

[0004] In order to solve the above technical problems, a technical solution adopted by the utility model is: to provide a uniform glue coating device, the uniform glue coating device includes a glue coating machine base, a glue coating roller, a glue coating mechanism and a glue layer thickness control mechanism, the glue coating roller is installed in the glue coating machine base, the glue coating mechanism includes a glue storage tank and a glue tank rack, the glue tank rack is fixed directly below the glue coating roller, the glue storage tank is installed on the glue tank rack, the lower edge of the roller surface of the glue coating roller is located below the liquid level of the glue in the glue storage tank, the glue layer thickness control mechanism is a glue scraper, the glue scraper is installed on one side of the glue coating roller close to the glue coating area, the cutting edge of the glue scraper can adjust the distance from the roller surface of the glue coating roller according to the process requirements, and the vertical projection of the glue scraper is located in the glue storage tank below.

[0005] In a preferred embodiment of the utility model, the scraper includes a knife holder, a knife head and a fastening screw. The knife holder includes two support rods arranged in parallel and a knife mounting plate connecting the two support rods. The knife mounting plate is provided with two parallel long waist adjustment grooves. The upper and rear ends of the knife head are provided with corresponding threaded holes. The fastening screw passes through the long waist adjustment groove and the threaded holes to fix the knife head and the knife mounting plate together. The long waist adjustment groove is provided with an adjustment scale. The slot length of the long waist adjustment groove is 2 to 5 cm. The tail end of the knife head is also provided with a rubber baffle.

[0006] In a preferred embodiment of the present utility model, a cylinder is further provided between the glue storage tank and the glue tank frame.

[0007] The beneficial effect of the utility model is that the utility model arranges a scraper knife which can adjust the distance from the roller surface of the glue coating roller on the glue coating machine base of the glue coating machine, so that during the glue coating process, the contact area between the roller surface and the glue liquid is controlled to make the contact area slightly excessive to increase the scraped glue thickness, and then the excess glue liquid is scraped off by the scraper knife, thereby effectively controlling the uniformity of the scraped glue thickness on the roller surface, reducing the influence of the periodic change of the liquid level on the roller surface glue layer, enhancing the consistency of coating, and further improving the stability of product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] Figure 1 It is a front view structural schematic diagram of a preferred embodiment of the utility model;

[0009] Figure 2 is an exploded schematic diagram of a scraper blade used in the illustrated embodiment;

[0010] The markings of the components in the accompanying drawings are as follows:

[0011] 1. Glue coating machine base, 2. Glue coating roller, 3. Glue scraper, 4. Glue storage tank, 5. Cylinder, 6. Glue tank rack;

[0012] 301. Support rod, 302. Knife plate, 303. Waist adjustment slot, 304. Knife head, 305. Rubber baffle, 306. Fastening screws. DETAILED DESCRIPTION

[0013] The preferred embodiments of the present invention are described in detail below in conjunction with the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present invention.

[0014] See also Figure 1 and Figure 2 , the utility model embodiment includes:

[0015] A homogenizing glue coating device, the homogenizing glue coating device comprises a glue coating machine base 1, a glue coating roller 2, a glue coating mechanism and a glue layer thickness control mechanism, the glue coating roller 2 is installed in the glue coating machine base 1, the glue coating mechanism comprises a glue storage tank 4 and a glue tank frame 6, the glue tank frame 6 is fixed directly below the glue coating roller 2, the glue storage tank 4 is installed on the glue tank frame 6, the lower edge of the roller surface of the glue coating roller 2 can extend below the liquid level of the glue in the glue storage tank 4, the glue layer thickness control mechanism is a glue scraper 3, the glue scraper 3 is installed on one side of the glue coating roller 2 near the glue coating area, the cutting edge of the glue scraper 3 can adjust the distance from the roller surface of the glue coating roller 2 according to the process requirements, and the vertical projection of the glue scraper 3 is located in the lower glue storage tank 4.

[0016] The scraper blade 3 comprises a blade holder, a blade head 304 and a fastening screw 306. The blade holder comprises two support rods 301 arranged in parallel and a blade mounting plate 302 connecting the two support rods 301. The width of the blade mounting plate 302 is 8 cm. Two parallel length adjustment slots 303 are arranged on the blade mounting plate 302. The tail end of the blade head 304 is provided with corresponding threaded holes. The fastening screw 306 penetrates the length adjustment slots 303 and the threaded holes to fix the blade head 304 and the blade mounting plate 302 together. In this way, on the one hand, two support rods 301 are installed on the glue coating machine base 1 to support the blade mounting plate 302, which can improve the stability of the blade mounting plate 302 and prevent the blade head 304 of the scraper blade 3 from shaking and causing position deformation when scraping glue. In addition, the length adjustment slot 303 can conveniently adjust the linear distance between the cutting edge and the glue coating roller 2 according to the cardboard model and production mode. The length of the waist adjustment groove 303 is 3 to 5 cm, and is generally 3 cm in actual implementation. In addition, the waist adjustment groove 303 is provided with an adjustment scale, so that the thickness of the adhesive layer can be accurately controlled according to the scale during production, thereby improving the uniformity of the thickness of the adhesive layer during bonding. In addition, a glue baffle 305 is provided at the tail end of the blade head 304 to prevent the scraped glue from falling outside the glue storage tank 4.

[0017] A cylinder 5 is also provided between the glue storage tank 4 and the glue tank frame 6. The cylinder 5 can adjust the lifting height according to the change of the glue liquid level in the tank, so that the glue roller 2 always keeps in contact with the liquid surface, or the cylinder 5 is retracted during glue cleaning to make the liquid surface and the glue roller 2 out of contact.

[0018] The working principle of the utility model is as follows:

[0019] 1. Gluing mode. In this mode, before operation, the cutting edge of the cutter head 304 is closely attached to the roller surface. Then, according to the process requirements, the distance between the cutting edge and the roller surface is adjusted according to the scale on the long waist adjustment groove 303, and the cylinder 5 is driven to make the glue in the glue storage tank 4 contact the roller surface of the glue roller 2, and then the equipment is started. In this way, the thickness of the glue layer on the glue roller 2 is uniform, so that the bonding force at all places when gluing the cardboard is relatively uniform, the uniformity of the product quality is better, and the waste of glue is reduced.

[0020] 2. In the glue cleaning mode, after completing the scheduled task, the glue on the roller needs to be cleaned before temporarily stopping the machine. At this time, it is only necessary to adjust the cutting edge of the cutter head 304 so that the cutting edge is close to the roller surface, and drive the cylinder 5 to retract so that the roller surface is out of contact with the glue liquid surface. The glue coating roller 2 can be rotated to scrape off all the glue on the roller, which is quick and convenient.

[0021] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the specification and drawings of the present invention, or directly or indirectly applied in other related technical fields, are also included in the patent protection scope of the present invention.

Claims

1. A homogenizing glue coating device, characterized in that: The homogenizing glue coating device includes a glue coating machine base, a glue coating roller, a glue coating mechanism and a glue layer thickness control mechanism. The glue coating roller is installed in the glue coating machine base. The glue coating mechanism includes a glue storage tank and a glue tank rack. The glue tank rack is fixed directly below the glue coating roller. The glue storage tank is installed on the glue tank rack. The lower edge of the roller surface of the glue coating roller is located below the liquid level of the glue in the glue storage tank. The glue layer thickness control mechanism is a glue scraper. The glue scraper is installed on one side of the glue coating roller close to the glue coating area. The blade of the glue scraper can adjust the distance from the roller surface of the glue coating roller according to the process requirements, and the vertical projection of the glue scraper is located in the glue storage tank below.

2. The homogenizing glue coating device according to claim 1, characterized in that: The scraper knife includes a knife holder, a knife head and a fastening screw. The knife holder includes two parallel supporting rods and a knife mounting plate connecting the two supporting rods. The knife mounting plate is provided with two parallel long waist adjustment grooves. The tail end of the knife head is provided with corresponding threaded holes. The fastening screw passes through the long waist adjustment grooves and the threaded holes to fix the knife head and the knife mounting plate together.

3. The homogenizing glue coating device according to claim 2, characterized in that: The waist length adjustment groove is provided with an adjustment scale.

4. The homogenizing glue coating device according to claim 2, characterized in that: The length of the waist-length adjustment groove is 2 to 5 cm.

5. The homogenizing glue coating device according to claim 2, characterized in that: A rubber baffle is also provided at the tail end of the cutter head.

6. The homogenizing glue coating device according to claim 1, characterized in that: A cylinder is also arranged between the glue storage tank and the glue tank frame.

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