Gum dipping production device for wood grain impregnated paper

Abstract

The utility model relates to the technical field of impregnated paper processing, in particular to a wood grain impregnated paper impregnation production device which comprises an impregnation pool, a first drying box is arranged above the impregnation pool, and a conveying roller assembly used for conveying wood grain impregnated paper is arranged between the impregnation pool and the first drying box in a communicated mode. The two ends of the conveying roller assembly are connected with a feeding roller and a discharging roller respectively, a second drying box is arranged at the discharging end of the first drying box, the discharging roller is located at the discharging end of the second drying box, and the gum dipping pool is further connected with a circulating pump assembly. According to the utility model, through at least two times of impregnation and two times of drying, the working efficiency is effectively improved while the impregnation amount is increased in two times, and the glue can be effectively prevented from being solidified.

Description

Technical Field

[0001] The utility model relates to the technical field of impregnated paper processing, in particular to a glue-impregnating production device for wood-grain impregnated paper. Background Art

[0002] Impregnated paper is a specialty paper that belongs to the category of industrial paper. It is made of a mixture of non-woven wood pulp, PE and plant fibers. It has superb absorption and anti-solvent capabilities. It is also a very economical low-particle release paper towel. Impregnated paper is widely used in cabinets, wardrobes, and laminate flooring veneers because of its rich styles and its characteristics of wear resistance, impact resistance, deformation resistance, pollution resistance, flame retardancy, moisture resistance, environmental protection, non-fading, easy installation and easy maintenance. In the process of impregnation of existing wood-grained paper, the wood-grained paper is completely placed under the glue to achieve impregnation. When the wood-grained paper moves in the glue, the glue only relies on its own viscosity to adhere to the wood-grained paper. The wood-grained paper has poor glue absorption performance, resulting in a small amount of glue absorbed, which reduces the quality of the impregnation.

[0003] Chinese patent CN221626681U discloses a wood-grain paper impregnation device, which belongs to the field of wood-grain paper production technology, including a chassis, a feed roller rotatably connected to one side of the top of the chassis, and a discharge roller rotatably connected to the other side of the top of the chassis, and the feed roller and the discharge roller rotate in opposite directions, and two sets of guide rollers are symmetrically installed on both sides of the middle of the chassis. By setting an adjustment component, when the wood-grain paper enters the chassis, the wood-grain paper passes through the bottom of the adjustment roller. During the movement of the wood-grain paper, the adjustment roller is affected by friction and can rotate along the support shaft, while driving the impeller to rotate. During the rotation of the impeller, due to the viscosity of the glue, a certain resistance is generated to the rotation of the impeller, thereby reducing the rotation of the adjustment roller, so that there is a speed difference between the adjustment roller and the wood-grain paper, and then the adjustment roller plays a certain squeezing effect on the wood-grain paper, which makes it easier for the wood-grain paper to absorb more glue, increase the absorption amount, and improve the quality of the impregnation.

[0004] However, in the actual application process, it was found that after the amount of impregnation was increased, subsequent drying operations were carried out. However, after drying, it was found that the wood grain paper impregnated with glue became more brittle after curing, and cracks were easily formed on the surface. When hot-pressed onto a wooden substrate and used to form tabletops, cabinets, wardrobes, etc. as decorative veneers, drilling is often performed. At this time, cracks will continue to extend outward from the drill holes, causing a great impact on the aesthetics of tabletops, cabinets, wardrobes, etc. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a wood grain impregnated paper impregnation production device, which increases the impregnation amount twice and effectively improves the work efficiency by at least two impregnations and two dryings, and can also effectively prevent the glue from solidifying.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] A device for producing wood-grain impregnated paper by dipping in glue, comprising a dipping tank, a first drying box being provided above the dipping tank, a conveying roller assembly for conveying the wood-grain impregnated paper being connected between the dipping tank and the first drying box, a feed roller and a discharge roller being connected at both ends of the conveying roller assembly, a second drying box being provided at the discharge end of the first drying box, the discharge roller being located at the discharge end of the second drying box, and the dipping tank being further connected with a circulating pump assembly; a first inlet and a second inlet being provided on the side box wall of the first drying box, and a first outlet and a second outlet being provided on the other side box wall of the first drying box; the conveying roller assembly comprising a support frame, an inner roller assembly and an outer roller assembly being provided on the support frame in a spiral trajectory, the conveying trajectories of the inner roller assembly and the outer roller assembly being connected end to end, and the conveying trajectories of the inner roller assembly and the outer roller assembly both passing through the dipping tank and the first drying box.

[0008] Furthermore, the inner roller assembly includes a first inner roller close to the feed roller, a second inner roller located in the dipping tank, a third inner roller close to the outlet of the dipping tank, a fourth inner roller located at the same height as the first inner roller, a fifth inner roller located at the first inlet of the first drying box, a sixth inner roller located at the first outlet of the first drying box, and a seventh inner roller located at the same height as the first inner roller.

[0009] Furthermore, a first scraper is provided between the third inner roller and the fourth inner roller.

[0010] Furthermore, the outer roller assembly includes a first outer roller for guiding the wood-grain impregnated paper into the dipping tank for the second time, a second outer roller located in the dipping tank, a third outer roller close to the outlet of the dipping tank, a fourth outer roller located at the same height as the first outer roller, a fifth outer roller located at the second inlet of the first drying box, a sixth outer roller located at the second outlet of the first drying box, and a seventh outer roller located at the same height as the first outer roller. The sixth outer roller and the seventh outer roller are respectively located at both ends of the second drying box.

[0011] Furthermore, a second scraper is provided between the third outer roller and the fourth outer roller.

[0012] Furthermore, the circulation pump assembly includes a glue discharge hopper connected to the bottom of the glue immersion tank, the glue discharge hopper is connected to a circulation pipe, the other end of the circulation pipe is connected to the glue immersion tank, and a circulation liquid pump is provided on the circulation pipe.

[0013] Furthermore, an agitator is provided inside the glue discharging hopper.

[0014] Beneficial effects of the utility model:

[0015] In actual use, the wood-grain impregnated paper roll that needs to be dipped in glue is hung on the feed roller, and the front end of the wood-grain paper is pulled around the inner roller assembly and the outer roller assembly of the conveying roller assembly to form a spiral double-dip and dry conveying track, which is carried out in two steps, with a thin layer of dipping and then drying, which can avoid the situation where the glue surface breaks due to the excessive thickness of the dipping glue layer. The side box wall of the first drying box is provided with a first inlet and a second inlet, and the other side box wall of the first drying box is provided with a first outlet and a second outlet, which are matched with the conveying track of the corresponding inner roller assembly and the outer roller assembly. A circulating pump assembly is used to circulate the glue liquid in the dipping tank to prevent the glue liquid from solidifying. Finally, a second drying box is designed to perform the final drying of the glue layer. Compared with a single drying, this technology undergoes a total of three dryings to complete the solidification and drying of the glue layer, making the formation process of the glue layer more gentle. Compared with a rapid one-time drying, the formed glue surface has better ductility. The utility model increases the dipping amount in two steps by at least two dippings and two dryings, effectively improving work efficiency, and also effectively preventing the glue from solidifying. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the overall component structure of the utility model;

[0017] Figure 2 This is a schematic diagram of the layout structure of the conveyor roller assembly of the utility model;

[0018] Figure 3 This is a schematic diagram of the cross-sectional structure of the conveying roller assembly of the present invention. DETAILED DESCRIPTION

[0019] In order to facilitate understanding by those skilled in the art, the present invention is further described below with reference to embodiments and drawings. The contents mentioned in the embodiments are not intended to limit the present invention.

[0020] like Figures 1-3(In order to facilitate the display of the structure, conventional structures such as the bracket are omitted), the utility model provides a wood-grain impregnated paper impregnation production device, including a dipping tank 1, a first drying box 2 is provided above the dipping tank 1, and a conveying roller assembly 3 for conveying the wood-grain impregnated paper is connected between the dipping tank 1 and the first drying box 2. The two ends of the conveying roller assembly 3 are respectively connected with a feed roller 4 and a discharge roller 5. The discharge end of the first drying box 2 is provided with a second drying box 6. The discharge roller 5 is located at the discharge end of the second drying box 6. The glue pool 1 is also connected to a circulation pump assembly 7; a first inlet 21 and a second inlet 22 are provided on the side wall of the first drying box 2, and a first outlet 23 and a second outlet 24 are provided on the other side wall of the first drying box 2; the conveying roller assembly 3 includes a support frame, and an inner roller assembly 32 and an outer roller assembly 33 are provided on the support frame in a spiral trajectory. The conveying trajectories of the inner roller assembly 32 and the outer roller assembly 33 are connected end to end, and the conveying trajectories of the inner roller assembly 32 and the outer roller assembly 33 both pass through the glue dipping pool 1 and the first drying box 2.

[0021] In this embodiment, the wood-grain impregnated paper roll that needs to be impregnated is hung on the feed roller 4, and the front end of the wood-grain paper is pulled around the inner roller assembly 32 and the outer roller assembly 33 of the conveying roller assembly 3 to form a spiral conveying track for two impregnation and drying. It is carried out in two times, with a thin layer of impregnation and then drying, which can avoid the situation where the glue surface is broken due to the excessive thickness of the impregnated glue layer being dried in sequence; a first inlet 21 and a second inlet 22 are provided on the side box wall of the first drying box 2, and a first outlet 23 and a second outlet 24 are provided on the other side box wall of the first drying box 2, which cooperate with the conveying track of the corresponding inner roller assembly 32 and the outer roller assembly 33; a circulating pump assembly 7 is used to circulate the glue liquid in the impregnation pool 1 to prevent the glue liquid from solidifying, and finally a second drying box 6 is designed to perform the final drying of the glue layer. Compared with a single drying, this technology completes the solidification and drying of the glue layer through a total of three dryings, making the formation process of the glue layer more gentle. Compared with rapid one-time drying, the formed glue surface has better ductility. The device performs at least two dipping operations and two drying operations, thereby increasing the dipping amount twice while effectively improving the work efficiency and effectively preventing the glue from solidifying.

[0022] like Figure 2 and Figure 3As shown, the inner roller assembly 32 includes a first inner roller 321 close to the feed roller 4, a second inner roller 322 located in the dipping tank 1, a third inner roller 323 close to the pool mouth of the dipping tank 1, a fourth inner roller 324 located at the same height as the first inner roller 321, a fifth inner roller 325 located at the first inlet 21 of the first drying box 2, a sixth inner roller 326 located at the first outlet 23 of the first drying box 2, and a seventh inner roller 327 located at the same height as the first inner roller 321; in this embodiment, the inner roller assembly 32 relies on 7 inner roller support points to form a transmission track for the first dipping and first drying of the wood grain impregnated paper.

[0023] like Figure 3 As shown, a first scraper 328 is provided between the third inner roller 323 and the fourth inner roller 324; in this embodiment, the first scraper 328 scrapes off excess glue on the wood-grain impregnated paper after dipping, so that it solidifies faster when entering the first drying box 2 for drying, and the glue surface is more uniform after solidification.

[0024] like Figure 2 and Figure 3 As shown, the outer roller assembly 33 includes a first outer roller 331 for guiding the wood-grain impregnated paper into the dipping tank 1 for the second time, a second outer roller 332 located in the dipping tank 1, a third outer roller 333 close to the pool mouth of the dipping tank 1, a fourth outer roller 334 located at the same height as the first outer roller 331, a fifth outer roller 335 located at the second inlet 22 of the first drying box 2, a sixth outer roller 336 located at the second outlet 24 of the first drying box 2, and a seventh outer roller 327 located at the same height as the first outer roller 331. The sixth outer roller 336 and the seventh outer roller 327 are respectively located at the two ends of the second drying box 6. In this embodiment, the outer roller assembly 33 relies on 7 outer roller support points to form a conveying track for the second dipping and second drying of the wood-grain impregnated paper. Dipping and drying in two times can effectively avoid the defect of too thick a single dipping and easy breakage of the entire glue layer after drying. The second drying box 6 is designed to perform the final drying and qualitative treatment, which delays and reduces the brittleness of the glue layer caused by rapid drying.

[0025] like Figure 3 As shown, a second scraper 338 is provided between the third outer roller 333 and the fourth outer roller 334; in this embodiment, the second scraper 338 scrapes off excess glue on the wood-grain impregnated paper after dipping, so that it solidifies faster when entering the first drying oven 2 for drying, and the glue surface is more uniform after solidification.

[0026] like Figure 1As shown, the circulation pump assembly 7 includes a glue discharge hopper 71 connected to the bottom of the glue immersion pool 1, and the glue discharge hopper 71 is connected to a circulation pipe 72. The other end of the circulation pipe 72 is connected to the glue immersion pool 1, and a circulation liquid pump 73 is provided on the circulation pipe 72. In this embodiment, the circulation liquid pump 73 and the circulation pipe 72 are used to circulate the glue liquid in the glue immersion pool 1 to prevent the glue liquid from solidifying. The circulation pipe 72 is made of a pipe with heat-insulating properties.

[0027] like Figure 1 As shown, a stirrer 74 is provided inside the glue hopper 71 . In this embodiment, the stirrer 74 stirs and mixes the outflowing glue to ensure the uniformity of the glue and prevent it from solidifying.

[0028] All technical features in this embodiment can be modified in appearance according to actual needs.

[0029] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention can also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the scope of protection of the present invention.

Claims

1. A wood grain impregnated paper impregnation production device, characterized by: The invention comprises a dipping tank (1), a first drying box (2) is provided above the dipping tank (1), a conveying roller assembly (3) for conveying wood-grain impregnated paper is provided between the dipping tank (1) and the first drying box (2), a feed roller (4) and a discharge roller (5) are respectively connected to the two ends of the discharge roller assembly (3), a second drying box (6) is provided at the discharge end of the first drying box (2), the discharge roller (5) is located at the discharge end of the second drying box (6), and the dipping tank (1) is also connected to a circulation pump assembly (7); A first inlet (21) and a second inlet (22) are provided on a side wall of the first drying box (2), and a first outlet (23) and a second outlet (24) are provided on the other side wall of the first drying box (2); The conveying roller assembly (3) comprises a support frame, on which an inner roller assembly (32) and an outer roller assembly (33) are provided in a spiral track, the conveying tracks of the inner roller assembly (32) and the outer roller assembly (33) being connected end to end, and the conveying tracks of the inner roller assembly (32) and the outer roller assembly (33) both pass through the dipping tank (1) and the first drying box (2).

2. The device for producing wood grain impregnated paper according to claim 1, characterized in that: The inner roller assembly (32) comprises a first inner roller (321) close to the feed roller (4), a second inner roller (322) located in the dipping tank (1), a third inner roller (323) close to the outlet of the dipping tank (1), a fourth inner roller (324) located at the same height as the first inner roller (321), a fifth inner roller (325) located at the first inlet (21) of the first drying box (2), a sixth inner roller (326) located at the first outlet (23) of the first drying box (2), and a seventh inner roller (327) located at the same height as the first inner roller (321).

3. The device for producing wood grain impregnated paper according to claim 2, characterized in that: A first scraper (328) is provided between the third inner roller (323) and the fourth inner roller (324).

4. The device for producing wood grain impregnated paper according to claim 1, characterized in that: The outer roller assembly (33) comprises a first outer roller (331) for guiding the wood-grain impregnated paper to enter the dipping tank (1) for a second time, a second outer roller (332) located in the dipping tank (1), a third outer roller (333) close to the outlet of the dipping tank (1), a fourth outer roller (334) located at the same height as the first outer roller (331), a fifth outer roller (335) located at the second inlet (22) of the first drying box (2), a sixth outer roller (336) located at the second outlet (24) of the first drying box (2), and a seventh outer roller (327) located at the same height as the first outer roller (331), wherein the sixth outer roller (336) and the seventh outer roller (327) are respectively located at two ends of the second drying box (6).

5. The device for producing wood grain impregnated paper according to claim 4, characterized in that: A second scraper (338) is provided between the third outer roller (333) and the fourth outer roller (334).

6. The device for producing wood grain impregnated paper according to claim 1, characterized in that: The circulation pump assembly (7) comprises a glue discharge hopper (71) connected to the bottom of the glue dipping tank (1); the glue discharge hopper (71) is connected to a circulation pipe (72); the other end of the circulation pipe (72) is connected to the glue dipping tank (1); and a circulation liquid pump (73) is provided on the circulation pipe (72).

7. The device for producing wood grain impregnated paper according to claim 6, characterized in that: A stirrer (74) is provided inside the glue discharging hopper (71).

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