Gum dipping device for decorative paper

By designing a decorative paper impregnation device, and using components such as coated nonwoven fabric rolls, glue rollers, and UV curing units, uniformity and precise control of coating were achieved, solving the problem of uneven coating and improving the yield.

CN224173118UActive Publication Date: 2026-04-28ZHEJIANG JIDIN NEW MATERIAL TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ZHEJIANG JIDIN NEW MATERIAL TECH CO LTD
Filing Date
2025-03-11
Publication Date
2026-04-28

AI Technical Summary

Technical Problem

Existing coating equipment has simple functions, uneven coating, and affects the yield.

Method used

A decorative paper impregnation device was designed, comprising components such as a coated nonwoven fabric roll, a nonwoven fabric roll, a pre-applying clamping roller, an applicating roller, a post-applying clamping roller, and a traction roller. It is equipped with a UV curing unit and a pneumatic pusher to adjust the curing rate. Electric heating and temperature sensing components are used to precisely control the heating and coating thickness of the hot melt adhesive.

Benefits of technology

It improves the accuracy of heating temperature control and coating thickness precision of hot melt adhesive, ensuring uniform coating and rapid curing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coating devices, and discloses a glue dipping device for decorative paper, which comprises a support, a glue-coated non-woven fabric roll is erected on the support, the glue-coated non-woven fabric roll can rotate under the action of a bearing seat, a non-woven fabric roll is further erected at the other end of the support, and the non-woven fabric roll can rotate under the action of a bearing seat. Similarly, the non-woven fabric roll rotates under the action of a bearing, and a front gluing clamping roller, a gluing roller, a rear gluing clamping roller and a traction roller are rotationally arranged on the support and located between the non-woven fabric roll and the glue-coated non-woven fabric roll. The non-woven fabric is unwound from the non-woven fabric roll and then is sequentially wound to the traction roller, the sizing rear clamping roller, the sizing roller and the sizing front clamping roller. Through the structural design of the gluing roller, the temperature control accuracy of hot melt adhesive heating is greatly improved, the refinement degree of the hot melt adhesive can be effectively improved, the precision of the adjustable thickness of a gluing layer is improved, and the gluing roller can be matched with a light curing device for rapid curing.
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Description

Technical Field

[0001] This utility model relates to the field of coating apparatus technology, and in particular to an apparatus for impregnating decorative paper. Background Technology

[0002] Existing hot melt adhesives are highly malleable adhesives whose physical state changes with temperature within a certain temperature range, while their chemical properties remain unchanged. They are non-toxic, odorless, and environmentally friendly chemical products. Coating equipment is mainly used for surface coating processes of films, paper, etc. This machine coats a roll of substrate with a layer of adhesive, paint, or ink with specific functions, and then dries and rewinds it. However, existing hot melt film coating equipment has relatively simple functions and the coating is not uniform enough, which seriously affects the yield. Utility Model Content

[0003] The technical problem to be solved by this utility model is: in order to overcome the problems mentioned above, a decorative paper impregnation device is provided, which solves the above-mentioned problems.

[0004] The technical problem solved in this utility model is addressed by the following technical solution:

[0005] A decorative paper impregnation device includes a support frame on which a coated nonwoven fabric roll is mounted. The coated nonwoven fabric roll is rotatable under the action of a bearing seat. At the other end of the support frame, another nonwoven fabric roll is mounted, which also rotates under the action of a bearing. A pre-coating clamping roller, a coating roller, a post-coating clamping roller, and a traction roller are rotatably mounted on the support frame and located between the nonwoven fabric roll and the coated nonwoven fabric roll. After the nonwoven fabric is unwound from the nonwoven fabric roll, it is sequentially wound onto the traction roller, the post-coating clamping roller, the coating roller, and the pre-coating clamping roller, then guided to the second guide roller and the first guide roller before being rewound onto the coated nonwoven fabric roll.

[0006] In one embodiment of a decorative paper impregnation device, a non-woven fabric heating element arm is hinged to the support, and a UV curing device is bolted to the upper end of the non-woven fabric heating element arm for photocuring the hot melt adhesive.

[0007] In one embodiment of a decorative paper impregnation device, a pneumatic push rod is hinged to the support. The front end of the pneumatic push rod is hinged to the lower end of the nonwoven fabric heating element support arm. The pneumatic push rod pushes the nonwoven fabric heating element support arm to change the light irradiation distance between the UV curing unit and the glued nonwoven fabric, thereby changing the light curing rate. Different light curing rates are adjusted according to different substrates and photosensitive adhesives to ensure the thorough curing of the underlying layer.

[0008] In one embodiment of a decorative paper impregnation device, the glue roller includes a cast hollow glue supply roller and a dynamic sealing sleeve rotatably mounted on the end of the cast hollow glue supply roller. The outer end of the dynamic sealing sleeve is connected to a glue supply pipe for supplying hot melt glue into the cast hollow glue supply roller. An overflow groove is provided circumferentially on the cast hollow glue supply roller for filtering and discharging the hot melt glue.

[0009] In one embodiment of a decorative paper impregnation device, the glue roller includes a cast hollow glue supply roller and a dynamic sealing sleeve rotatably mounted on the end of the cast hollow glue supply roller. The outer end of the dynamic sealing sleeve is connected to a glue supply pipe for supplying hot melt glue into the cast hollow glue supply roller. An overflow hole is provided at intervals in an annular pattern on the cast hollow glue supply roller for filtering and discharging the hot melt glue.

[0010] In one embodiment of a decorative paper impregnation device, an electrical control box is fixedly mounted on the support, an electrical control tube is inserted into the glue roller, an electric heating plate is spaced apart on the electrical control tube, and a temperature sensing component is fixedly mounted on the electric heating plate.

[0011] The advantages and positive effects of this invention are: the structural design of the glue roller greatly improves the accuracy of temperature control for heating hot melt adhesive, effectively improves the fineness of the hot melt adhesive, and enhances the precision of the adjustable thickness of the coating layer, which is beneficial for rapid curing when used with a light curing device. Attached Figure Description

[0012] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0013] Figure 1 This is a schematic diagram of the structure of this practical application;

[0014] Figure 2 This is a schematic diagram of the structure of the top rubber roller 20 in this utility model;

[0015] Figure 3 This is a schematic diagram of the structure of the top rubber roller 20 in this utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the electrical control tube 27, the electric heating plate 28, and the temperature sensing component 29 inside the upper rubber roller 20 in this utility model. Detailed Implementation

[0017] The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic diagrams, illustrating only the basic structure of the present invention, and therefore only show the components relevant to the present invention. The embodiments of the present invention will be further described in detail below with reference to the accompanying drawings:

[0018] like Figure 1-3As shown, the decorative paper impregnation device of this utility model includes a support 11, on which a coated nonwoven fabric roll 10 is mounted. The coated nonwoven fabric roll 10 is rotatable under the action of a bearing seat. At the other end of the support 11, a nonwoven fabric roll 30 is also mounted. Similarly, the nonwoven fabric roll 30 rotates under the action of a bearing. On the support 11 and between the nonwoven fabric roll 30 and the coated nonwoven fabric roll 10, a pre-adhesion clamping roller 18, an adhesion roller 20, a post-adhesion clamping roller 21, and a traction roller 19 are rotatably mounted. After the nonwoven fabric is unwound from the nonwoven fabric roll 30, it is sequentially wound onto the traction roller 19, the post-adhesion clamping roller 21, the adhesion roller 20, and the pre-adhesion clamping roller 18, and then guided to the second guide roller 16 and the first guide roller 12 before being wound back onto the coated nonwoven fabric roll 10.

[0019] In one embodiment of a decorative paper impregnation device, a nonwoven fabric heating element support arm 14 is hinged to the support 11, and a UV curing unit 17 is bolted to the upper end of the nonwoven fabric heating element support arm 14 for UV curing the hot melt adhesive.

[0020] In one embodiment of a decorative paper impregnation device, a pneumatic push rod 15 is hinged to the support 11. The front end of the pneumatic push rod 15 is hinged to the lower end of the nonwoven fabric heating part support arm 14. The pneumatic push rod 15 pushes the nonwoven fabric heating part support arm 14 to change the light irradiation distance between the UV curing unit 17 and the glued nonwoven fabric, thereby changing the light curing rate. Different light curing rates are adjusted according to different substrates and photosensitive adhesives to ensure the thorough curing of the underlying layer.

[0021] In one embodiment of a decorative paper impregnation device, the glue roller 20 includes a cast hollow glue supply roller 24 and a dynamic sealing sleeve 23 rotatably mounted on the end of the cast hollow glue supply roller 24. The outer end of the dynamic sealing sleeve 23 is connected to a glue supply pipe 22 for supplying hot melt glue into the cast hollow glue supply roller 24. An overflow groove 26 is provided circumferentially on the cast hollow glue supply roller 24 for filtering and discharging the hot melt glue.

[0022] In one embodiment of a decorative paper impregnation device, the glue roller 20 includes a cast hollow glue supply roller 24 and a dynamic sealing sleeve 23 rotatably mounted on the end of the cast hollow glue supply roller 24. The outer end of the dynamic sealing sleeve 23 is connected to a glue supply pipe 22 for supplying hot melt glue into the cast hollow glue supply roller 24. An overflow hole 25 is provided annularly on the cast hollow glue supply roller 24 for filtering and discharging the hot melt glue.

[0023] In one embodiment of a decorative paper impregnation device, an electrical control box 13 is fixedly mounted on the support 11, an electrical control tube 27 is inserted into the glue roller 20, an electric heating plate 28 is spaced on the electrical control tube 27, and a temperature sensing component 29 is fixedly mounted on the electric heating plate 28.

[0024] It should be emphasized that the embodiments described in this utility model are illustrative and not limiting. Therefore, this utility model is not limited to the embodiments described in the specific implementation. Any other implementations derived by those skilled in the art based on the technical solutions of this utility model are also within the scope of protection of this utility model.

Claims

1. A device for impregnating decorative paper, characterized in that: The system includes a support (11) on which a glued nonwoven fabric roll (10) is mounted. The glued nonwoven fabric roll (10) is rotatable under the action of a bearing seat. At the other end of the support (11), a nonwoven fabric roll (30) is also mounted, which is also rotatable under the action of a bearing. A pre-adhesive clamp is rotatably mounted on the support (11) between the nonwoven fabric roll (30) and the glued nonwoven fabric roll (10). Roller (18), gluing roller (20), gluing clamping roller (21), traction roller (19), first guide roller (12) and second guide roller (16). After the nonwoven fabric is unwound from the nonwoven fabric roll (30), it is sequentially wound onto the traction roller (19), the gluing clamping roller (21), the gluing roller (20), and the gluing clamping roller (18), and then guided to the second guide roller (16) and the first guide roller (12) before being rolled back onto the glued nonwoven fabric roll (10).

2. The impregnation device for decorative paper according to claim 1, characterized in that: The bracket (11) is hinged with a non-woven fabric heating element arm (14), and a UV curing unit (17) is bolted to the upper end of the non-woven fabric heating element arm (14) for curing the hot melt adhesive.

3. The impregnation device for decorative paper according to claim 2, characterized in that: A pneumatic push rod (15) is hinged on the bracket (11). The front end of the pneumatic push rod (15) is hinged to the lower end of the nonwoven fabric heating part support arm (14). The pneumatic push rod (15) pushes the nonwoven fabric heating part support arm (14) to change the light distance between the UV curing unit (17) and the glued nonwoven fabric, thereby changing the light curing rate. Different light curing rates are adjusted according to different substrates and photosensitive adhesives to ensure the thorough curing of the bottom layer.

4. The impregnation device for decorative paper according to claim 3, characterized in that: The glue-applying roller (20) includes a cast hollow glue-feeding roller (24) and a dynamic sealing sleeve (23) rotatably mounted on the end of the cast hollow glue-feeding roller (24). The outer end of the dynamic sealing sleeve (23) is connected to a glue-feeding pipe (22) for supplying hot melt glue into the cast hollow glue-feeding roller (24). An overflow groove (26) is provided on the cast hollow glue-feeding roller (24) at an annular interval for filtering and discharging the hot melt glue.

5. The impregnation apparatus for decorative paper according to claim 4, characterized in that: The glue-applying roller (20) includes a cast hollow glue-feeding roller (24) and a dynamic sealing sleeve (23) rotatably mounted on the end of the cast hollow glue-feeding roller (24). The outer end of the dynamic sealing sleeve (23) is connected to a glue-feeding pipe (22) for supplying hot melt glue into the cast hollow glue-feeding roller (24). An overflow hole (25) is provided in annular intervals on the cast hollow glue-feeding roller (24) for filtering and discharging the hot melt glue.

6. The impregnation apparatus for decorative paper according to claim 5, characterized in that: An electrical control box (13) is fixedly mounted on the bracket (11), an electrical control tube (27) is inserted into the upper rubber roller (20), an electric heating plate (28) is spaced on the electrical control tube (27), and a temperature sensing component (29) is fixedly mounted on the electric heating plate (28).