Continuous pre-impregnation device for decorative paper production

By using the stirring and extrusion mechanism of the continuous pre-impregnation device for decorative paper production, the problems of incomplete impregnation and pulp residue caused by paper wrinkles have been solved, achieving uniform resin penetration and resource recycling, thereby improving production efficiency and reducing costs.

CN223880098UActive Publication Date: 2026-02-06CHANGZHOU ZHENGKANG CHENGMEI NEW MATERIAL TECH CO LTD
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Patent Information

Application Number
CN202520621280.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-03
Publication Date
2026-02-06
Estimated Expiration
2035-04-03

AI Technical Summary

Technical Problem

Existing impregnation equipment for decorative paper production does not impregnate paper thoroughly when it encounters paper wrinkles, and excess pulp remains on the paper surface after impregnation, resulting in time-consuming, labor-intensive processing and increased costs.

Method used

A continuous pre-impregnation device for decorative paper production is adopted, including a stirring mechanism and a drive mechanism. Through the cooperation of the stirring shaft and the extrusion roller, the resin flowability is ensured, paper wrinkles are removed and excess resin is recovered, and subsequent processing steps are reduced.

Benefits of technology

It achieves uniform resin penetration, improves impregnation quality, reduces impregnation time, avoids resin waste, and improves production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a continuous pre-impregnation device for decorative paper production, which comprises an impregnation box, a stirring mechanism and a driving mechanism, two first guide rollers are rotationally arranged above one side in the impregnation box, a wrinkle removing roller is rotationally arranged above the first guide rollers in the impregnation box, and two second guide rollers are rotationally arranged below the inner part of the impregnation box. A third guide roller is rotationally arranged above the other side in the dipping box, an extrusion roller is rotationally arranged above the third guide roller in the dipping box, a heating plate is welded above the other side in the dipping box, a heat conduction column is mounted at the bottom of the heating plate, the stirring mechanism is used for stirring resin, and the driving mechanism is used for driving the stirring mechanism, the wrinkle removing roller and the extrusion roller. According to the utility model, resin can be always kept in a flowing state and can be uniformly permeated into paper, so that the impregnation effect is improved; wrinkles on the surface of the paper can be removed before impregnation, so that the impregnation quality is improved; redundant resin on the surface of the paper can be pressed out after impregnation, time and labor are saved, and waste of the resin is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of decorative paper production, especially to a continuous pre-impregnation device for decorative paper production. BACKGROUND

[0002] Decorative paper (also known as impregnated paper) is a kind of paper treated by special process, usually used for decoration and protection of surfaces such as furniture, floor, wall, etc. It is composed of paper base and impregnated resin, and has the characteristics of wear resistance, high temperature resistance, moisture resistance, etc. through the process of impregnating resin. Decorative paper is widely used in the fields of indoor decoration, building materials, furniture, floor, etc. and is often used as a surface decoration layer, with the characteristics of beauty and durability. During the production process of decorative paper, impregnation treatment is needed, that is, the paper base is soaked in a solution containing resin, and the resin penetrates and solidifies in the paper, making the paper have stronger strength, wear resistance and water resistance.

[0003] The existing impregnation device for decorative paper production drives the paper through the paper guide roller, and the paper is impregnated with resin in the middle. However, when the paper is wrinkled, it will lead to incomplete impregnation and poor impregnation quality. Secondly, after the impregnation of the paper is completed, there is still excess slurry on the surface, which needs to be separately squeezed out in the later stage, which not only wastes time and effort, but also causes waste of slurry and increases processing cost. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the shortcomings in the prior art and provides a continuous pre-impregnation device for decorative paper production.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A continuous pre-impregnation device for decorative paper production, comprising: an impregnation box, two first guide rollers are horizontally connected in parallel on one side of the inside of the impregnation box, and a wrinkle removal roller is horizontally connected above each of the two first guide rollers in the inside of the impregnation box, two second guide rollers are horizontally connected in parallel below the middle of the inside of the impregnation box, a third guide roller is horizontally connected on the other side of the top of the inside of the impregnation box, and a squeezing roller is horizontally connected above the third guide roller in the inside of the impregnation box, a heating plate is horizontally welded on the other side of the top of the inside of the impregnation box, and a heat conduction column is vertically fixedly installed at the bottom of the heating plate;

[0007] A stirring mechanism is used to stir the resin.

[0008] A driving mechanism is used to drive the stirring mechanism, the wrinkle removal roller and the squeezing roller.

[0009] The paper squeezed of the excess resin is preliminarily dried by entering into the two heating plates, so that the paper is kept in a dry state and the resin on the surface of the paper is prevented from dropping outside, and the heat of the heating plates can be conducted into the resin through the heat-conducting columns to ensure the viscosity and fluidity of the resin.

[0010] As a further technical scheme of the utility model, the impregnation box is externally fixedly installed with a controller on one side, and a feeding port and a discharging port are respectively arranged on the upper parts of opposite sides of the impregnation box.

[0011] As a further technical scheme of the utility model, a liquid adding port is arranged on the top of the impregnation box, a top cover is arranged on the top of the liquid adding port, a liquid discharging pipe is horizontally and communicatively arranged on the bottom of the impregnation box on one side, and a valve is arranged on the liquid discharging pipe.

[0012] As a further technical scheme of the utility model, the heating plate is provided with two heating plates which are symmetrically arranged above and below, and electric heating wires are embeddedly arranged in the two heating plates.

[0013] As a further technical scheme of the utility model, the stirring mechanism comprises two stirring shafts which are horizontally rotatably connected to the two sides of the lower part of the impregnation box, and stirring blades are welded on the outer circumferences of the two stirring shafts.

[0014] As a further technical scheme of the utility model, the driving mechanism comprises a rotary motor, a mounting seat is welded on one side of the impregnation box, the rotary motor is horizontally fixedly installed on the top of the mounting seat, one end of each of the two stirring shafts extends into the impregnation box, one end of one of the stirring shafts is fixedly connected with the output end of the rotary motor, a linkage shaft is horizontally rotatably arranged on one side of the impregnation box, a driven gear is welded on the linkage shaft, a driving gear is welded on one of the stirring shafts, the driving gear and the driven gear are engaged, and the same second belt is connected between the linkage shaft and the other stirring shaft.

[0015] The rotary motor drives one of the stirring shafts to rotate forward, the one stirring shaft drives the linkage shaft to rotate reversely through the driving gear and the driven gear, the linkage shaft drives the other stirring shaft to rotate reversely through the second belt, the two stirring shafts drive the stirring blades on the surfaces of the two stirring shafts to rotate in opposite directions, the stirring force in the opposite directions stirs the resin in the impregnation box, so that the resin is kept in a flowing state, the resin is prevented from solidifying, the resin can uniformly penetrate into the fibers of the paper, the impregnation effect is improved, the resin impregnation process is accelerated, the impregnation time is reduced, and the production efficiency is improved.

[0016] As a further technical scheme of the utility model, the extrusion roller and one end of the two wrinkle removing rollers are all welded with connecting shafts, the three connecting shafts all extend out of the dipping box and are rotationally connected with the dipping box, and one of the connecting shafts is connected with one of the stirring shafts through a same first belt, and the two adjacent connecting shafts are connected through a same third belt.

[0017] When one of the stirring shafts rotates, it drives one of the connecting shafts to rotate through the first belt, and the connecting shaft drives the other adjacent connecting shafts to rotate through the third belt, and the three connecting shafts drive the two wrinkle removing rollers and the extrusion roller to rotate respectively, and when the paper is guided on top of the two first guide rollers, the two rotating wrinkle removing rollers apply tension to the paper to remove the wrinkles on the surface of the paper and improve the dipping quality, and when the dipped paper is guided on top of the third guide roller, the rotating extrusion roller applies extrusion force to the paper to press the excess resin on the surface of the paper out of the dipping box for reuse, and the subsequent separate resin extrusion treatment is not needed, time and labor are saved, and resin waste is avoided.

[0018] The utility model has the advantages that the resin can always keep flowing, and solidification is prevented, so that the resin can uniformly penetrate into the fibers of the paper, and the dipping effect is improved; the wrinkles on the surface of the paper can be removed before dipping, and the dipping quality is improved; and the excess resin on the surface of the paper can be pressed out after dipping, and the subsequent separate treatment is not needed, time and labor are saved, and resin waste is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 A structure schematic view of the continuous pre-dipping device for decorative paper production is provided in the utility model;

[0020] Figure 2 A rear view structure schematic view of the continuous pre-dipping device for decorative paper production is provided in the utility model;

[0021] Figure 3 A sectional view structure schematic view of the continuous pre-dipping device for decorative paper production is provided in the utility model;

[0022] Figure 4 A partial top view structure schematic view of the continuous pre-dipping device for decorative paper production is provided in the utility model.

[0023] In the drawing: 1, dipping box; 2, controller; 3, liquid discharge pipe; 4, discharge port; 5, liquid inlet; 6, third belt; 7, second belt; 8, driven gear; 9, rotary motor; 10, driving gear; 11, feed inlet; 12, wrinkle removing roller; 13, first guide roller; 14, stirring blade; 15, stirring shaft; 16, second guide roller; 17, third guide roller; 18, heat conducting column; 19, heating plate; 20, extrusion roller; 21, connecting shaft; 22, linkage shaft; 23, first belt. DETAILED DESCRIPTION

[0024] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0025] Please refer to the accompanying drawings Figure 1 - the accompanying drawings Figure 4 A continuous pre-impregnation device for decorative paper production comprises an impregnation box 1, two first guide rollers 13 are horizontally connected in parallel on the upper side of the inside of the impregnation box 1, and a wrinkle removal roller 12 is horizontally connected above the two first guide rollers 13 in the inside of the impregnation box 1, two second guide rollers 16 are horizontally connected in parallel on the lower side of the middle of the inside of the impregnation box 1, a third guide roller 17 is horizontally connected on the upper side of the other side of the inside of the impregnation box 1, and an extrusion roller 20 is horizontally connected above the third guide roller 17 in the inside of the impregnation box 1, a heating plate 19 is horizontally welded on the upper side of the other side of the inside of the impregnation box 1, and a heat conduction column 18 is vertically fixedly installed on the bottom of the heating plate 19.

[0026] The stirring mechanism is used for stirring the resin.

[0027] The driving mechanism is used for driving the stirring mechanism, the wrinkle removal roller 12 and the extrusion roller 20.

[0028] Please refer to the accompanying drawings Figures 1-2 In a preferred embodiment, a controller 2 is fixedly installed on one side of the outside of the impregnation box 1, and a feeding port 11 and a discharging port 4 are respectively formed on the upper side of the opposite sides of the outside of the impregnation box 1.

[0029] The controller 2 controls the work of all electrical equipment, and the paper enters from the feeding port 11 and is discharged from the discharging port 4.

[0030] Please refer to the accompanying drawings Figures 1-2 In a preferred embodiment, a liquid adding port 5 is formed on the top of the impregnation box 1, a top cover is covered on the top of the liquid adding port 5, a liquid discharging pipe 3 is horizontally communicated with the bottom of one side of the outside of the impregnation box 1, and a valve is installed on the liquid discharging pipe 3.

[0031] The resin is added into the impregnation box 1 through the liquid adding port 5 by opening the top cover, and the resin is discharged through the liquid discharging pipe 3 by opening the valve.

[0032] Please refer to the accompanying drawings Figures 3-4 In a preferred embodiment, the heating plate 19 is provided with two and is symmetrically arranged upward and downward, electric heating wires are inlaidly installed in the inside of the two heating plates 19, and the heat conduction column 18 is provided with a plurality of and is uniformly distributed along the longitudinal direction on the bottom of the lower heating plate 19.

[0033] The electric heating wires are started to make the heating plate 19 have the functions of heating and drying.

[0034] Please refer to the attached drawings Figures 3-4 In a preferred embodiment, the stirring mechanism comprises two stirring shafts 15, which are horizontally connected to the two sides below the inside of the impregnation box 1, and the outer periphery of each stirring shaft 15 is welded with stirring blades 14, which are evenly distributed along the circumference and the longitudinal direction of the outer periphery of the stirring shaft 15.

[0035] Please refer to the attached drawings Figures 2-4 In a preferred embodiment, the driving mechanism comprises a rotary motor 9, which is horizontally fixedly installed on the top of a mounting seat welded on one side of the outside of the impregnation box 1, and one end of each stirring shaft 15 extends into the inside of the impregnation box 1, and the output end of the rotary motor 9 is fixedly connected with one end of one of the stirring shafts 15.

[0036] The mounting seat supports and fixes the rotary motor 9.

[0037] Please refer to the attached drawings Figures 2-4 In a preferred embodiment, a linkage shaft 22 is horizontally rotatably arranged on one side of the outside of the impregnation box 1, a driven gear 8 is welded on the linkage shaft 22, a driving gear 10 is welded on one of the stirring shafts 15, the driving gear 10 is engaged with the driven gear 8, and the same second belt 7 is connected between the linkage shaft 22 and the other stirring shaft 15.

[0038] Please refer to the attached drawings Figures 2-4 In a preferred embodiment, a connecting shaft 21 is welded on one end of each of the two wrinkle removing rollers 12 and the extrusion roller 20, each connecting shaft 21 extends out of the impregnation box 1 and is rotatably connected with the impregnation box 1, the same first belt 23 is connected between one of the connecting shafts 21 and one of the stirring shafts 15, and the same third belt 6 is connected between adjacent two connecting shafts 21.

[0039] From the above description, it can be seen that the above-mentioned embodiments of the present application achieve the following technical effects: the rotary motor 9 drives one of the stirring shafts 15 to rotate in the forward direction, the stirring shaft 15 drives one of the connecting shafts 21 to rotate through the first belt 23 when the stirring shaft 15 rotates, the other connecting shafts 21 are driven to rotate through the third belt 6, the two wrinkle removing rollers 12 and the extrusion roller 20 are driven to rotate by the three connecting shafts 21, respectively, the paper is tensioned by the two rotating wrinkle removing rollers 12 when the paper is guided through the top of the two first guide rollers 13, the wrinkles on the surface of the paper are removed, and the impregnation quality is improved.

[0040] The paper is guided into the resin for impregnation treatment by two second guide rollers 16, one of the stirring shafts 15 is reversely rotated by the driving gear 10 and the driven gear 8, the driving gear 10 drives the linkage shaft 22, the linkage shaft 22 drives the other stirring shaft 15 by the second belt 7, the two stirring shafts 15 drive the stirring blades 14 on the surfaces of the stirring shafts 15 to rotate in the opposite direction, the stirring force in the opposite direction stirs the resin in the impregnation tank 1, so that the resin always keeps flowing state and prevents solidification, thereby ensuring that the resin can uniformly penetrate into the fibers of the paper, improving the impregnation effect, accelerating the resin penetration process, reducing the impregnation time and improving the production efficiency;

[0041] The paper after impregnation is extruded by the rotating extrusion roller 20 on the top of the third guide roller 17, the excess resin on the surface of the paper is pressed out and returned to the impregnation tank 1 for reuse, and the subsequent separate resin extrusion treatment is not needed, time and labor are saved, and resin waste is avoided;

[0042] The paper after extruding the excess resin enters the two heating plates 19 for preliminary drying work, so that the paper keeps a relatively dry state and is discharged, and further avoids that the resin on the surface of the paper drops outside; and part of the heat of the heating plate 19 can be guided into the resin through the heat conducting column 18, so as to ensure the viscosity and fluidity of the resin.

[0043] Those skilled in the art should understand that the discussion of the above any embodiment is only exemplary, and is not intended to suggest that the scope (including claims) of the utility model is limited to these examples; under the idea of the utility model, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the utility model as described above, which are not provided in details for the sake of brevity.

[0044] The utility model aims at covering all such alternatives, modifications and variations falling within the broad scope of the claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. made in the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A continuous pre-impregnation device for decorative paper production, characterized by, The utility model relates to a resin impregnation box, which comprises the following parts: An impregnation box (1) is horizontally rotatably connected with two first guide rollers (13) side by side on one side of the inside of the impregnation box (1), and wrinkle-removing rollers (12) are horizontally rotatably connected above the two first guide rollers (13) in the inside of the impregnation box (1); two second guide rollers (16) are horizontally rotatably connected side by side below the middle of the inside of the impregnation box (1); a third guide roller (17) is horizontally rotatably connected above the other side of the inside of the impregnation box (1), and a squeezing roller (20) is horizontally rotatably connected above the third guide roller (17) in the inside of the impregnation box (1); a heating plate (19) is horizontally welded above the other side of the inside of the impregnation box (1), and a heat-conducting column (18) is vertically fixedly installed at the bottom of the heating plate (19). A stirring mechanism is arranged for stirring the resin. A driving mechanism is arranged for driving the stirring mechanism and the wrinkle-removing rollers (12) and the squeezing roller (20).

2. A continuous pre-impregnation device for decorative paper production according to claim 1, characterized in that, A controller (2) is fixedly installed on one side of the outside of the impregnation box (1), and a feeding port (11) and a discharging port (4) are respectively formed in the upper parts of the opposite sides of the outside of the impregnation box (1).

3. A continuous pre-impregnation device for decorative paper production according to claim 1, characterized in that, A liquid adding port (5) is formed in the top of the impregnation box (1), the top of the liquid adding port (5) is covered with a top cover, a liquid discharging pipe (3) is horizontally communicated with the bottom of one side of the outside of the impregnation box (1), and a valve is installed on the liquid discharging pipe (3).

4. A continuous pre-impregnation device for decorative paper production according to claim 1, characterized in that, The heating plate (19) is provided with two heating plates (19) which are symmetrically arranged above and below, and an electric heating wire is embeddedly installed in each of the two heating plates (19); the heat-conducting column (18) is provided with a plurality of heat-conducting columns (18) which are uniformly distributed in the longitudinal direction at the bottom of the lower heating plate (19).

5. A continuous pre-impregnation device for decorative paper production according to claim 1, characterized in that, The stirring mechanism comprises two stirring shafts (15), the two stirring shafts (15) are respectively horizontally rotatably connected to the two sides below the inside of the impregnation box (1), stirring blades (14) are welded on the outer peripheries of the two stirring shafts (15), and a plurality of stirring blades (14) are uniformly distributed in the circumferential direction and the longitudinal direction on the outer peripheries of the two stirring shafts (15).

6. A continuous pre-impregnation device for decorative paper production according to claim 5, characterized in that, The driving mechanism comprises a rotary motor (9), a mounting seat is welded on one side of the outside of the impregnation box (1), the rotary motor (9) is horizontally fixedly installed on the top of the mounting seat, one end of each of the two stirring shafts (15) protrudes into the inside of the impregnation box (1), and one end of one of the two stirring shafts (15) is fixedly connected with the output end of the rotary motor (9).

7. A continuous pre-impregnation device for decorative paper production according to claim 6, characterized in that, A linkage shaft (22) is horizontally rotatably arranged on one side of the outside of the impregnation box (1), a driven gear (8) is welded on the linkage shaft (22), a driving gear (10) is welded on one of the two stirring shafts (15), the driving gear (10) is engaged with the driven gear (8), and the same second belt (7) is connected between the linkage shaft (22) and the other stirring shaft (15).

8. A continuous pre-impregnation device for decorative paper production according to claim 7, characterized in that, The extrusion roller (20) and one end of the two wrinkle-removing rollers (12) are welded with connecting shafts (21), the three connecting shafts (21) extend out of the dipping box (1) and are rotationally connected with the dipping box (1), and one of the connecting shafts (21) is connected with one of the stirring shafts (15) through the same first belt (23), and the two adjacent connecting shafts (21) are connected through the same third belt (6).