Glassine paper sizing equipment

By setting overflow grooves and scraping structures on both sides of the gluing roller, the problems of glue loss and equipment contamination are solved, the effective utilization of glue and the improvement of paper strength are realized, and the clean and efficient operation of the gluing equipment is ensured.

CN223510217UActive Publication Date: 2025-11-04ZHEJIANG ZHEFENG NEW MATERIALS CO LTD
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Patent Information

Application Number
CN202422311888.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-23
Publication Date
2025-11-04
Estimated Expiration
2034-09-23

AI Technical Summary

Technical Problem

In existing adhesive application equipment, adhesive is easily lost and contaminates the equipment, resulting in resource waste and equipment maintenance difficulties.

Method used

The glue overflow grooves are set on both sides of the glue roller, and a glue scraping structure is provided to scrape off excess glue and recycle it. Combined with the pre-drying component, the paper strength is improved.

Benefits of technology

It effectively avoids glue loss and equipment contamination, ensures uniform glue application and paper integrity, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model belongs to the technical field of papermaking equipment, and particularly relates to glassine paper sizing equipment. Comprising an equipment box body, a paper inlet and a paper outlet are formed in the two sides of the box body, a guide roller set is arranged in the equipment box body, a gluing device and a drying device are sequentially arranged in the paper sheet conveying direction, the gluing device comprises a first pressing roller rotationally connected to the interior of the equipment box body, the first pressing roller can abut against the gluing roller, and the first pressing roller can press against the drying device. The gluing roller is arranged above the glue supply box, the gluing roller can dip in glue liquid in the glue supply box to glue paper sheets, glue overflowing grooves are formed in the two sides of the gluing roller, a glue scraping structure corresponding to the gluing roller is arranged on one side of the gluing roller, and the glue scraping structure can scrape off the glue liquid on the surface of the gluing roller and in the glue overflowing grooves; glue overflowing grooves are formed in the two sides of the gluing roller, and glue scraping structures are correspondingly arranged, so that glue liquid loss and equipment pollution are avoided.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to papermaking equipment technical field especially relates to a kind of gurley paper sizing equipment. BACKGROUND

[0002] Gurley paper is a kind of industrial paper after coating processing, and is famous for its dense and uniform texture and good light transmittance. Gurley paper has the characteristics of high temperature resistance, moisture resistance and oil resistance, making it a commonly used material for making barcode labels, self-adhesive, adhesive tape or adhesive industrial products. In production, sizing is a crucial process, which improves the performance of paper by adding specific chemicals (i.e. sizing agent) on the surface of paper.

[0003] The existing sizing equipment often uses a press roller to press the paper against the surface of the sizing roller for sizing. In use, the sizing liquid under pressure will flow to the two side ends of the sizing roller, causing sizing liquid loss and equipment contamination. UTILITY MODEL CONTENT

[0004] The utility model aims at the above-mentioned technical problems, and provides a kind of gurley paper sizing equipment, overflow groove is set on the two sides of sizing roller, corresponding setting is scraped glue structure, avoids causing sizing liquid loss and equipment contamination.

[0005] Therefore, the utility model provides a kind of gurley paper sizing equipment, including equipment box body, paper inlet and paper outlet are set on the two sides of box body, guide roller group is set in equipment box body, sizing device, drying device are sequentially set along the paper conveying direction, the sizing device includes the first press roller that is rotationally connected in equipment box body, the first press roller can press the paper against the sizing roller, the sizing roller is set above the glue supply box, the sizing roller can dip the sizing liquid in the glue supply box to size the paper, overflow groove is set on the two sides of sizing roller, scraping glue structure is set on one side corresponding to sizing roller, and the scraping glue structure can scrape the sizing liquid on the surface of sizing roller and in overflow groove.

[0006] In the technical scheme, overflow groove is set on the two sides of sizing roller, the first press roller and sizing roller are extruded to the paper between them when sizing, the sizing liquid flows to the two sides and flows into overflow groove, the sizing roller rotates to replenish the sizing liquid in the glue supply box, the scraping glue structure scrapes the sizing surface of sizing roller after replenishing, scrapes off the excess sizing liquid, scrapes off the sizing liquid in overflow groove, and the scraped sizing liquid falls into the glue supply box below for reuse, avoiding sizing liquid overflow and sticking to the two side ends of sizing roller when extruding, causing sizing liquid loss and equipment contamination.

[0007] In the above technical solution, the glue-applying roller further includes a glue-applying end in the middle that can pick up glue liquid, and glue overflow grooves are symmetrically arranged on both sides of the glue-applying end. The glue overflow grooves are annular grooves coaxially arranged on the glue-applying roller.

[0008] In the above technical solution, the scraping structure is further defined as a scraper plate, which is fixedly installed at the upper end of the overflow groove. One side of the scraper plate abuts against the glue roller, and the scraper plate can scrape the glue on the application end evenly and scrape the glue in the annular groove.

[0009] In the above technical solution, the scraper includes a board body, one side of the board body is abutted against the glue roller, the other side of the board body is connected to the overflow groove, and a scraper is provided on the side of the board body and the glue roller abutting against the overflow groove, the scraper extends into the overflow groove and abuts against the inner wall of the overflow groove.

[0010] In this technical solution, fixing posts are provided on both sides of the scraper, and the fixing posts are mounted in the mounting slots on both sides of the overflow trough. After the scraper and the glue roller are abutted together, the fixing posts are threaded together with bolts and washers to fix the scraper. Alternatively, the scraper can be directly welded to the overflow trough or the equipment housing. The scraper can effectively scrape the glue evenly on the application end and scrape off the excess glue. It can also directly scrape off the glue in the overflow trough, and the scraped glue falls along the scraper into the glue supply box for reuse.

[0011] In the above technical solution, it further includes a leveling component arranged on the rear side of the gluing device along the paper conveying direction, the leveling component including pressure rollers that can press against both sides of the paper.

[0012] In this technical solution, the paper sheet after gluing is flattened by setting up the pressure roller, so that the paper sheet after gluing is flatter and the gluing is more uniform.

[0013] In the above technical solution, a pre-drying component is further provided between the leveling component and the gluing component, which can heat the paper sheet passing through.

[0014] In the above technical solution, the pre-drying component further includes a drying box, which is positioned above the paper sheet, has an air outlet at the bottom, and is equipped with an electric heating roller and a fan inside the drying box.

[0015] In the above technical solution, a collection trough is further provided at the bottom of the equipment box, with one side of the collection trough located below the glue supply box and the other side extending towards the drying device.

[0016] This technical solution can collect the glue dripping from the glue side of the paper, which facilitates recycling and avoids the glue dripping directly onto the bottom wall of the equipment housing, causing inconvenience in cleaning or equipment contamination.

[0017] In the above technical solution, an overflow port is further provided on one side wall of the glue supply box, and a guide plate extending to the collection port of the collection tank is connected to the overflow port.

[0018] In this technical solution, by setting the overflow port, the liquid level of the glue in the glue supply box can be controlled. When the glue is too high, it can flow from the overflow port through the diversion plate into the collection tank for collection. A one-way valve can be set to connect the glue supply box and the collection tank to draw the glue in the collection tank into the glue supply box for glue application.

[0019] The beneficial effects of this utility model are:

[0020] 1. Glue overflow grooves are set on both sides of the glue-applying roller. When the glue-applying roller applies glue, the first pressure roller and the glue-applying roller squeeze the paper sheet passing between them to apply glue. The glue will flow to both sides into the glue overflow grooves. During the rotation of the glue-applying roller, glue is replenished in the glue supply box. The glue scraping structure scrapes the glue-applying surface of the glue-applying roller evenly after the glue is replenished, scrapes off the excess glue, and scrapes off the glue in the glue overflow grooves. The scraped glue falls into the glue supply box below for reuse, which avoids the glue overflowing to both sides during the glue-applying squeezing and adhering to the two ends of the glue-applying roller, causing glue loss and contamination of the equipment.

[0021] 2. The strength of the paper will temporarily decrease after sizing. The strength of the paper can be quickly improved by the heat treatment of the pre-drying component, thereby avoiding paper breakage during the subsequent drying process and helping to maintain the integrity of the paper. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the internal structure of this utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of this utility model from another perspective;

[0024] Figure 3 yes Figure 1 A magnified view of a section at point A in the middle;

[0025] Figure 4 This is a structural diagram of the glue-applying roller and the glue-scraping structure;

[0026] Figure 5 This is a schematic diagram of the internal structure of the pre-drying component.

[0027] The markings in the diagram are as follows:

[0028] 1. Equipment housing; 2. Paper inlet; 3. Paper outlet; 4. Guide roller assembly; 5. Gluing device; 6. Drying device; 7. Paper sheet; 8. First pressure roller; 9. Gluing roller; 10. Glue supply box; 11. Glue overflow trough; 12. Glue application end; 13. Scraper; 14. Plate; 15. Scraper; 16. Fixing column; 17. Mounting groove; 18. Leveling assembly; 19. Pressure roller; 20. Pre-drying assembly; 21. Drying box; 22. Air outlet; 23. Heated roller; 24. Fan; 25. Collection trough; 26. Overflow port; 27. Drainage plate. Detailed Implementation

[0029] The technical solutions of the embodiments of this application will be clearly described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this application. All other embodiments obtained by those skilled in the art based on the embodiments of this application are within the scope of protection of this application.

[0030] In the description of this application, it should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. For ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

[0031] It should be noted that the terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and are not limited in number; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0032] It should be noted that in the description of this application, the directional terms such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description. Unless otherwise stated, these directional terms do not indicate or imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on the scope of protection of this application. The directional terms "inner" and "outer" refer to the inner and outer contours relative to the outline of each component itself.

[0033] It should be noted that, in this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element. Furthermore, it should be noted that the scope of the methods and apparatuses in the embodiments of this application is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. Additionally, features described with reference to certain examples may be combined in other examples.

[0034] First embodiment:

[0035] like Figures 1-4 As shown, this embodiment provides a glassine paper sizing device, including a device housing 1, with a paper inlet 2 and a paper outlet 3 on both sides of the housing. A guide roller group 4 is provided inside the device housing 1, and a gluing device 5 and a drying device 6 are arranged sequentially along the paper sheet 7 conveying direction. The gluing device 5 includes a first pressure roller 8 rotatably connected inside the device housing 1. The first pressure roller 8 can press the paper sheet 7 against the gluing roller 9. The gluing roller 9 is located above the glue supply box 10. The gluing roller 9 can dip into the glue in the glue supply box 10 to apply glue to the paper sheet 7. Glue overflow grooves 11 are provided on both sides of the gluing roller 9, and a glue scraping structure is provided on one side corresponding to the gluing roller 9. The glue scraping structure can scrape off the glue on the surface of the gluing roller 9 and in the glue overflow grooves 11.

[0036] Overflow grooves 11 are provided on both sides of the glue roller 9. When the glue roller 9 applies glue, the first pressure roller 8 and the glue roller 9 squeeze the paper sheet 7 passing between them to apply glue. The glue will flow to both sides into the overflow grooves 11. During the rotation of the glue roller 9, glue is replenished in the glue supply box 10. The glue scraping structure scrapes the glued surface of the glue roller 9 after the glue is replenished, scrapes off the excess glue, and scrapes off the glue in the overflow grooves 11. The scraped glue falls into the glue supply box 10 below for reuse, which avoids the glue from overflowing to both sides and adhering to the ends of the glue roller 9 during the glue application and extrusion, causing glue loss and contamination of the equipment.

[0037] like Figures 2-4 As shown, the glue roller includes a glue application end 12 in the middle that can pick up glue liquid, and glue overflow grooves 11 are symmetrically arranged on both sides of the glue application end 12. The glue overflow grooves 11 are annular grooves coaxially arranged on the glue roller.

[0038] The glue scraping structure is a glue scraper 13, which is fixedly installed at the upper end of the glue overflow groove 11. One side of the glue scraper 13 abuts against the glue roller 9. The glue scraper 13 can scrape the glue on the glue application end 12 evenly and scrape the glue in the annular groove.

[0039] The scraper 13 includes a plate body 14. One side of the plate body 14 is abutted against the glue roller 9, and the other side of the plate body 14 is connected to the overflow groove 11. A scraper 15 is provided on the side of the plate body 14 and the glue roller 9 that abuts against the overflow groove 11. The scraper 15 extends into the overflow groove 11 and abuts against the inner wall of the overflow groove 11.

[0040] The scraper blade 13 has fixing posts 16 on both sides, which are mounted in the mounting slots 17 on both sides of the overflow trough 11. After the scraper blade 13 and the glue roller 9 are abutted together, the fixing posts 16 are threaded together with bolts and washers to fix the scraper blade 13. Alternatively, the scraper blade 13 can be directly welded to the overflow trough 11 or the equipment housing 1. The scraper blade 13 can scrape the glue on the application end 12 evenly and scrape off the excess glue dipped on the application end 12. It can also directly scrape off the glue in the overflow trough 11. The scraped glue falls along the scraper blade 13 into the glue supply box 10 for reuse.

[0041] like Figure 2 As shown, a collection trough 25 is provided at the bottom of the equipment box 1. One side of the collection trough 25 is located below the glue supply box 10, and the other side extends towards the drying device 6.

[0042] It can collect the glue dripping from the glue side of the paper sheet 7, which facilitates recycling and avoids the glue dripping directly onto the bottom wall of the equipment box 1, causing inconvenience in cleaning or equipment contamination.

[0043] like Figure 2As shown, an overflow port 26 is provided on one side wall of the glue supply box 10, and a guide plate 27 extending to the collection port of the collection tank 25 is connected to the overflow port 26.

[0044] By setting the overflow port 26, the liquid level of the glue in the glue supply box 10 can be controlled. When the glue is too high, it can flow from the overflow port 26 through the diversion plate 27 into the collection tank 25 for collection. A one-way valve can be set to connect the glue supply box 10 and the collection tank 25 to draw the glue in the collection tank 25 into the glue supply box 10 for glue application.

[0045] Second embodiment:

[0046] This embodiment provides a glassine paper sizing device, which, in addition to the technical solutions of the above embodiments, also has the following technical features.

[0047] like Figure 2 As shown, it also includes a leveling component 18 disposed on the rear side of the gluing device 5 along the paper sheet 7 conveying direction. The leveling component 18 includes a pressure roller 19 capable of pressing against both sides of the paper sheet 7.

[0048] By setting the pressure roller 19, the glued paper sheet 7 is flattened, making the glued paper sheet 7 flatter and the glue application more uniform.

[0049] like Figure 1 and Figure 4 As shown, a pre-drying component 20 is provided between the leveling component 18 and the gluing component, and the pre-drying component 20 can heat the paper sheet 7 that passes through.

[0050] The pre-drying assembly 20 includes a drying box 21, which is positioned above the paper sheet 7. An air outlet 22 is provided at the bottom of the drying box 21, and an electric heating roller 23 and a fan 24 are provided inside the drying box 21.

[0051] After sizing, the strength of the paper sheet 7 will temporarily decrease. However, the strength of the paper sheet 7 can be rapidly increased by the heat treatment of the pre-drying component 20, thereby avoiding paper breakage during the subsequent drying process and helping to maintain the integrity of the paper sheet 7.

[0052] The embodiments of this application have been described above with reference to the accompanying drawings. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. This application is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of this application without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of this application.

Claims

1. A glassine paper sizing device, comprising a housing (1), with a paper inlet (2) and a paper outlet (3) on both sides of the housing, a guide roller assembly (4) inside the housing (1), and a sizing device (5) and a drying device (6) arranged sequentially along the paper sheet (7) conveying direction, characterized in that, The gluing device (5) includes a first pressure roller (8) rotatably connected to the equipment housing (1). The first pressure roller (8) can press the paper sheet (7) against the gluing roller (9). The gluing roller (9) is located above the glue supply box (10). The gluing roller (9) can dip into the glue in the glue supply box (10) to apply glue to the paper sheet (7). The gluing roller (9) has overflow grooves (11) on both sides. A scraping structure is provided on one side corresponding to the gluing roller (9). The scraping structure can scrape off the glue on the surface of the gluing roller (9) and in the overflow groove (11).

2. The glassine paper sizing equipment according to claim 1, characterized in that, The glue roller includes a glue application end (12) in the middle that can pick up glue liquid, and glue overflow grooves (11) are symmetrically arranged on both sides of the glue application end (12). The glue overflow grooves (11) are annular grooves coaxially arranged on the glue roller.

3. A glassine paper sizing device according to claim 2, characterized in that, The scraping structure is a scraper (13), which is fixedly set at the upper end of the overflow groove (11). One side of the scraper (13) abuts against the glue roller (9). The scraper (13) can scrape the glue on the glue application end (12) evenly and scrape the glue in the annular groove.

4. A glassine paper sizing device according to claim 3, characterized in that, The scraper (13) includes a plate body (14), one side of the plate body (14) is abutted against the glue roller (9), and the other side of the plate body (14) is connected to the overflow groove (11). A scraper (15) is provided on the side of the plate body (14) and the glue roller (9) that abuts against the overflow groove (11). The scraper (15) extends into the overflow groove (11) and abuts against the inner wall of the overflow groove (11).

5. A glassine paper sizing device according to claim 1, characterized in that, It also includes a leveling assembly (18) disposed on the rear side of the gluing device (5) along the paper sheet (7) conveying direction, the leveling assembly (18) including pressure rollers (19) capable of pressing against both sides of the paper sheet (7).

6. A glassine paper sizing device according to claim 5, characterized in that, A pre-drying component (20) is provided between the leveling component (18) and the gluing component, and the pre-drying component (20) can heat the paper sheet (7) that passes through.

7. A glassine paper sizing device according to claim 6, characterized in that, The pre-drying component (20) includes a drying box (21), which is positioned above the paper sheet (7). An air outlet (22) is provided at the bottom of the drying box (21), and an electric heating roller (23) and a fan (24) are provided inside the drying box (21).

8. A glassine paper sizing device according to any one of claims 1-7, characterized in that, The bottom of the equipment housing (1) is provided with a collection trough (25), one side of which is located below the glue supply box (10), and the other side extends toward the drying device (6).

9. A glassine paper sizing device according to claim 1, characterized in that, An overflow port (26) is provided on one side wall of the glue supply box (10), and a guide plate (27) extending to the collection port of the collection trough (25) is connected to the overflow port (26).