Laminating device for paper pulp molded product

Abstract

The utility model particularly relates to a film laminating device for paper pulp molded products, which belongs to the technical field of application of paper pulp molded products and comprises a positioning operation table, an electric conveying belt is mounted in the positioning operation table, translation structures are arranged on two sides of the positioning operation table, and height adjusting structures are designed in the translation structures. An adjusting mounting plate is mounted between the height adjusting structures, angle adjusting structures are arranged on the two sides of the adjusting mounting plate, an air exhaust structure is mounted in the angle adjusting structure on one side, a softening structure is rotationally connected into the angle adjusting structure on the other side, and the height adjusting structures are matched with the angle adjusting structures, so that the working state of the device is flexibly adjusted; and meanwhile, the air exhaust structure is adopted, the air content between the outer film and the material is reduced, the fitting effect between the outer film and the material is further improved through cooperation of the softening structure, and the film coating effect of the device is enhanced.

Description

Technical Field

[0001] This utility model specifically relates to a coating device for pulp molded products, belonging to the field of pulp molded product application technology. Background Technology

[0002] Pulp molding products are a type of environmentally friendly paper product made by processing and blending fully recyclable plant fibers into a pulp of a certain concentration, and then forming it using a mold designed according to the product specifications and vacuum adsorption. Utilizing the principle of in-mold drying, different types and uses of pulp molding products are created. In a broad sense, pulp molding refers to the production of various industrial packaging, tableware, agricultural packaging, masks, decorative wall panels, and other three-dimensional products using raw materials such as pulp and straw fibers through a series of processes including pulping, injection (or suction, scooping), molding, setting (or shaping), trimming, sorting, sterilization, and packaging. It is a type of three-dimensional papermaking. In a narrow sense, it refers to simple, low-end three-dimensional products such as industrial liners and egg trays made using waste paper pulp such as yellow pulp and newspaper pulp.

[0003] An existing patent application (CN202322731125.9) discloses an antistatic billboard laminating device, comprising: a laminating device body capable of laminating billboards; an edge trimming mechanism disposed on the laminating device body for trimming the edges of the laminating billboard; and an electrostatic elimination mechanism disposed on the laminating device body for eliminating static electricity generated during operation. This invention relates to the field of billboard laminating technology. The inner wall of this invention features an edge trimming mechanism, and the height and distance of the two cutting blades are adjustable, allowing for easy adjustment of the edge trimming position, thus enhancing its practicality. The electrostatic elimination mechanism eliminates static electricity generated during the laminating process, resulting in higher safety and smoother lamination of the billboard.

[0004] The above-mentioned device eliminates static electricity during the coating process, improving the coating effect. However, due to the gaps between the film and the material, and the fact that the film itself may have a certain rigidity, air bubbles are easily generated during the coating process, affecting the coating effect. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by providing a coating device for pulp molded products, thereby reducing the probability of bubble formation and improving the coating effect.

[0006] This utility model achieves the above-mentioned objective through the following technical solution: a coating device for pulp molded products, comprising a positioning operating table, an electric conveyor belt installed inside the positioning operating table, translation structures on both sides of the positioning operating table, a height adjustment structure designed inside the translation structure, an adjustment mounting plate installed between the height adjustment structures, angle adjustment structures on both sides of the adjustment mounting plate, an air extraction structure installed inside one side of the angle adjustment structure, a softening structure connected inside the other side of the angle adjustment structure, and a combing guide roller rotatably mounted on the lower surface of the adjustment mounting plate.

[0007] Preferably, in order to control the translation of the structure, the translation structure includes a translation motor, and translation grooves are provided on both sides of the positioning operation table. The translation motor is embedded in one end of the translation groove, and a translation threaded rod is fixedly installed at the output end of the translation motor.

[0008] Preferably, in order to adjust the working height of the device, the height adjustment structure includes a vertical slide rail, the lower end of which is slidably engaged with the interior of the translational slide groove, the vertical slide rail and the translational threaded rod are threadedly connected to each other, and an electric screw is embedded in the interior of the vertical slide rail.

[0009] Preferably, in order to facilitate the adjustment of the height of the adjustment mounting plate, both ends of the adjustment mounting plate are slidably engaged with the inside of the vertical slide rail, and both ends of the adjustment mounting plate are threadedly connected to the electric screw.

[0010] Preferably, in order to adjust the working state of both sides of the device, the angle adjustment structure includes a dual-axis motor. The two sides of the adjustment mounting plate are provided with drive mounting slots. The dual-axis motor is embedded in the drive mounting slot. An angle adjustment gear is fixedly installed at the output end of the dual-axis motor. An angle adjustment gear racks are slidably engaged at both ends of the drive mounting slot. The angle adjustment gear and the angle adjustment gear rack mesh with each other.

[0011] Preferably, in order to adjust the processing effect on both sides of the device, an adjusting support rod is rotatably connected to the outer side of the adjusting gear rack, and an adjusting positioning frame is rotatably connected to the outer side of the other end of the adjusting support rod. One end of the adjusting positioning frame is rotatably connected to the adjusting mounting plate. A positioning adapter hole is opened at one end of the adjusting positioning frame, and a directional gear ring is rotatably installed on the outer side of the positioning adapter hole. A directional motor is embedded inside the adjusting positioning frame, and a power gear is fixedly installed at the output end of the directional motor. The power gear meshes with the directional gear ring.

[0012] Preferably, in order to extract gas under the membrane, the gas extraction structure includes a uniform gas extraction pipe, the two ends of which are rotatably engaged with the positioning adapter hole, one end of which is fixedly connected to the directional gear ring, and the other end of which is rotatably connected to a connecting hose. A pressure equalization pump is fixedly installed on one side of the adjusting mounting plate, and the input end of the pressure equalization pump is fixedly connected to the connecting hose.

[0013] Preferably, in order to adjust the processing hardness of the membrane material, the softening structure includes a uniform air outlet pipe, the two ends of which are rotatably engaged with the positioning adapter hole, one end of which is fixedly connected to the directional gear ring, an air outlet hose is fixedly connected to the outside of the uniform air outlet pipe, an output air pump is fixedly installed on the other side of the adjusting mounting plate, the output end of the output air pump is fixedly connected to the air outlet hose, and an electric heating grid is fixedly installed inside the uniform air outlet pipe.

[0014] The beneficial effects of this utility model are: by adjusting the height structure in conjunction with the angle adjustment structure, the working state of the device can be flexibly adjusted, improving the convenience and applicability of the device for coating different materials. At the same time, the air extraction structure reduces the air content between the outer film and the material. With the help of the softening structure, the adhesion between the outer film and the material is further increased, enhancing the coating effect of the device. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the main structure of this utility model;

[0016] Figure 2 This is a schematic diagram of the rear view structure of this utility model;

[0017] Figure 3 This is a side sectional view of the present invention.

[0018] Figure 4 This is a schematic diagram of the internal structure of the adjusting mounting plate in this utility model;

[0019] Figure 5 This is a structural connection diagram of the uniform air outlet pipe section in this utility model.

[0020] In the diagram: 1. Positioning operating table; 2. Electric conveyor belt; 3. Translation structure; 301. Translation motor; 302. Translation threaded rod; 4. Height adjustment structure; 401. Vertical slide rail; 402. Electric screw; 5. Adjustment mounting plate; 6. Angle adjustment structure; 601. Dual-axis motor; 602. Angle adjustment gear rack; 603. Adjustment support rod; 604. Angle adjustment positioning frame; 605. Directional gear ring; 606. Direction adjustment motor; 7. Air extraction structure; 701. Uniform air extraction pipe; 702. Connecting hose; 703. Pressure equalizing air pump; 8. Softening structure; 801. Uniform air outlet pipe; 802. Air outlet hose; 803. Output air pump; 804. Electric heating grid. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figures 1-5 As shown, a coating device for pulp molded products includes a positioning operating table 1, an electric conveyor belt 2 installed inside the positioning operating table 1, translation structures 3 on both sides of the positioning operating table 1, a height adjustment structure 4 designed inside the translation structure 3, an adjustment mounting plate 5 installed between the height adjustment structures 4, an angle adjustment structure 6 on both sides of the adjustment mounting plate 5, an air extraction structure 7 installed inside one side of the angle adjustment structure 6, a softening structure 8 connected inside the other side of the angle adjustment structure 6, and a combing guide roller 9 rotatably installed on the lower surface of the adjustment mounting plate 5.

[0023] The translation structure 3 includes a translation motor 301. Translation grooves are provided on both sides of the positioning operating table 1. The translation motor 301 is embedded in one end of the translation groove. A translation threaded rod 302 is fixedly installed at the output end of the translation motor 301. When the motor rotates, the translation threaded rod 302 will rotate accordingly, thereby driving the threaded component connected to it to move horizontally. The height adjustment structure 4 includes a vertical slide rail 401. The lower end of the vertical slide rail 401 is slidably engaged inside the translation groove. The vertical slide rail 401 and the translation threaded rod 302 are threadedly connected to each other. An electric screw 402 is embedded inside the vertical slide rail 401. Both ends of the adjustment mounting plate 5 are slidably engaged inside the vertical slide rail 401. Both ends of the adjustment mounting plate 5 are threadedly connected to the electric screw 402. The rotation of the electric screw 402 can drive the adjustment mounting plate 5 threaded to it to move vertically. This design allows the height of the adjustment mounting plate 5 to be precisely adjusted.

[0024] The angle adjustment structure 6 includes a dual-axis motor 601. Drive mounting slots are provided on both sides of the adjustment mounting plate 5. The dual-axis motor 601 is embedded in the drive mounting slots. An angle adjustment gear is fixedly installed at the output end of the dual-axis motor 601. An angle adjustment gear racks 602 are slidably engaged at both ends of the drive mounting slots. The angle adjustment gear and the angle adjustment gear rack 602 mesh with each other. An adjustment support rod 603 is rotatably connected to the outer side of the angle adjustment gear rack 602. When the dual-axis motor 601 rotates, the angle adjustment gear drives the angle adjustment gear rack 602 to move horizontally. Since the angle adjustment gear rack 602 is rotatably connected to the angle adjustment support rod, the movement of the angle adjustment gear rack 602 will drive the angle adjustment support rod to adjust its angle. An angle adjustment positioning frame 604 is rotatably connected to the outer side of the other end of the angle adjustment support rod. One end of the 4 is rotatably connected to the adjusting mounting plate 5, and one end of the angle-adjusting positioning frame 604 is rotatably connected to the adjusting mounting plate 5. This allows the angle of the angle-adjusting positioning frame 604 to be adjusted relative to the adjusting mounting plate 5. By adjusting the rotational connection between the support rod 603 and the angle-adjusting positioning frame 604, the angle of the pulp molded product can be precisely adjusted during the lamination process. One end of the angle-adjusting positioning frame 604 is provided with a positioning adapter hole. A directional gear ring 605 is rotatably installed on the outside of the positioning adapter hole. A directional motor 606 is embedded inside the angle-adjusting positioning frame 604. A power gear is fixedly installed at the output end of the directional motor 606. The power gear meshes with the directional gear ring 605. When the directional motor 606 rotates, the power gear will drive the directional gear ring 605 to rotate.

[0025] The air extraction structure 7 includes a uniform air extraction pipe 701. The two ends of the uniform air extraction pipe 701 are rotatably engaged with the positioning transition holes. One end of the uniform air extraction pipe 701 is fixedly connected to the directional gear ring 605. The other end of the uniform air extraction pipe 701 is rotatably connected to a connecting hose 702. A pressure equalizing air pump 703 is fixedly installed on one side of the adjusting mounting plate 5. The input end of the pressure equalizing air pump 703 is fixedly connected to the connecting hose 702. The uniform air extraction pipe 701 is a key component. Its design aims to ensure that the negative pressure can be evenly distributed on the surface of the pulp molded product. The two ends of the uniform air extraction pipe 701 are rotatably engaged with the positioning transition holes. This means that the uniform air extraction pipe 701 can rotate freely as the angle of the angle adjustment positioning frame 604 is adjusted, while maintaining a stable connection with the angle adjustment positioning frame 604.

[0026] The softening structure 8 includes a uniform air outlet pipe 801. Both ends of the uniform air outlet pipe 801 are rotatably engaged with positioning transition holes. One end of the uniform air outlet pipe 801 is fixedly connected to a directional gear ring 605. An air outlet hose 802 is fixedly connected to the outside of the uniform air outlet pipe 801. An output air pump 803 is fixedly installed on the other side of the adjusting mounting plate 5. The output end of the output air pump 803 is fixedly connected to the air outlet hose 802. An electric heating grid 804 is fixedly installed inside the uniform air outlet pipe 801. The uniform air outlet pipe 801 is designed to ensure that the heating gas is evenly distributed on the coating material of the pulp molded product. Its two ends are rotatably engaged with positioning transition holes, meaning that the uniform air outlet pipe 801 can rotate freely as the angle of the angle-adjusting positioning frame 604 is adjusted, while maintaining a stable connection with the angle-adjusting positioning frame 604. This design ensures that regardless of the angle of the angle-adjusting positioning frame 604, the uniform air outlet pipe 801 can accurately deliver the heating gas to the surface of the coating material.

[0027] This device, a coating apparatus for pulp molded products, is a highly efficient and flexible processing equipment designed for precise coating of pulp molded products. Its structural design and functional configuration fully consider convenience and accuracy in actual operation. Firstly, the core component of the device is the positioning operating table 1, which provides a stable working platform. Inside the positioning operating table 1, an electric conveyor belt 2 is installed for automatically and continuously transporting the pulp molded products to be coated. This not only improves production efficiency but also ensures the stability and continuity of the products during the coating process. To achieve omnidirectional coating of the pulp molded products, translation structures 3 are set on both sides of the positioning operating table 1. These translation structures 3 can move horizontally to adjust the position of the products during the coating process. This design allows the coating apparatus to adapt to pulp molded products of different sizes and shapes, improving the equipment's versatility and flexibility. Inside the translation structures 3, height adjustment structures 4 are also designed. These height adjustment structures 4 can move up and down to adjust the height of the adjusting mounting plate 5. Mount 5 is a platform for installing the coating material and other necessary components. By adjusting the height of the mounting plate 5, it can be ensured that the coating material can adhere tightly to the surface of the pulp molded product, improving the coating effect. In addition, angle adjustment structures 6 are provided on both sides of the mounting plate 5. These angle adjustment structures 6 can rotate and tilt, thereby adjusting the angle and position of the coating material during the coating process. This design allows the coating device to better adapt to the complex shapes and curved surfaces of the pulp molded product, ensuring the uniformity and integrity of the coating material. The angle adjustment structure on one side... Inside the 6, an air extraction structure 7 is installed. The air extraction structure 7 can generate negative pressure to tightly adsorb the coating material onto the surface of the pulp molded product. This design not only improves the coating effect but also reduces air bubbles and wrinkles during the coating process. On the other side, the angle adjustment structure 6 is connected to a softening structure 8. The softening structure 8 can heat and soften the coating material, making it more ductile and malleable. In this way, during the coating process, the coating material can better adapt to the shape and curvature of the pulp molded product, improving the adhesion and aesthetics of the coating.

[0028] In summary, this coating device for pulp molded products features a compact structure, comprehensive functions, and convenient operation. It can achieve precise coating of pulp molded products, improving production efficiency and product quality. At the same time, the device also has high versatility and flexibility, and can adapt to the coating needs of pulp molded products of different sizes and shapes.

[0029] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A film coating device for pulp molded articles, comprising a positioning worktable (1), characterized in that: The inside of the positioning operation platform (1) is internally provided with an electric conveying belt (2), both sides of the positioning operation platform (1) are provided with a translation structure (3), the inside of the translation structure (3) is designed with a height adjusting structure (4), the height adjusting structure (4) is internally provided with an adjusting mounting plate (5), both sides of the adjusting mounting plate (5) are provided with an angle adjusting structure (6), the inside of the angle adjusting structure (6) on one side is internally provided with an air extraction structure (7), the inside of the angle adjusting structure (6) on the other side is connected with a softening structure (8), and the lower surface of the adjusting mounting plate (5) is rotationally provided with a carding guide roller (9).

2. The paper pulp molded article coating apparatus as claimed in claim 1, wherein: The translation structure (3) comprises a translation motor (301), and both sides of the positioning operation platform (1) are provided with a translation sliding groove.

3. The paper pulp molded article coating apparatus as claimed in claim 2, wherein: The height adjusting structure (4) comprises a vertical sliding rail (401), the lower end of the vertical sliding rail (401) is slidably connected to the inside of the translation sliding groove, the vertical sliding rail (401) and the translation threaded rod (302) are threadedly connected with each other, and the inside of the vertical sliding rail (401) is embeddedly provided with an electric screw rod (402).

4. The paper pulp molded article coating apparatus as claimed in claim 3, wherein: Both ends of the adjusting mounting plate (5) are slidably connected to the inside of the vertical sliding rail (401), and both ends of the adjusting mounting plate (5) are threadedly connected with the electric screw rod (402).

5. The paper pulp molded article coating apparatus as claimed in claim 1, wherein: The angle adjusting structure (6) comprises a double-shaft motor (601), and both sides of the adjusting mounting plate (5) are internally provided with a driving mounting groove, the double-shaft motor (601) is embeddedly mounted in the inside of the driving mounting groove, the output end of the double-shaft motor (601) is fixedly provided with an angle adjusting gear, both ends of the driving mounting groove are slidably connected with an angle adjusting gear strip (602), and the angle adjusting gear and the angle adjusting gear strip (602) are meshed with each other.

6. The paper pulp molded article coating apparatus as claimed in claim 5, wherein: The outside of the angle adjusting gear strip (602) is rotationally connected with an adjusting support rod (603), the other end of the adjusting support rod is rotationally connected with an angle adjusting positioning frame (604), one end of the angle adjusting positioning frame (604) is rotationally connected with the adjusting mounting plate (5), one end of the angle adjusting positioning frame (604) is provided with a positioning adapter hole, the outside of the positioning adapter hole is rotationally provided with a directional gear ring (605), the inside of the angle adjusting positioning frame (604) is embeddedly provided with a direction adjusting motor (606), the output end of the direction adjusting motor (606) is fixedly provided with a power gear, and the power gear and the directional gear ring (605) are meshed with each other.

7. The paper pulp molded article coating apparatus as claimed in claim 6, wherein: The air extraction structure (7) comprises a uniform air extraction pipe (701), both ends of the uniform air extraction pipe (701) are rotatably clamped between the positioning adapter holes, one end of the uniform air extraction pipe (701) is fixedly connected with the directional gear ring (605), the other end of the uniform air extraction pipe (701) is rotatably connected with a connecting hose (702), one side of the adjusting mounting plate (5) is fixedly installed with an air pressure equalizing pump (703), and an input end of the air pressure equalizing pump (703) is fixedly and communicatively connected with the connecting hose (702).

8. The paper pulp molded article coating apparatus as claimed in claim 6, wherein: The softening structure (8) comprises a uniform air outlet pipe (801), both ends of the uniform air outlet pipe (801) are rotatably clamped between the positioning adapter holes, one end of the uniform air outlet pipe (801) is fixedly connected with the directional gear ring (605), the outer side of the uniform air outlet pipe (801) is fixedly and communicatively connected with an air outlet hose (802), the other side of the adjusting mounting plate (5) is fixedly installed with an output air pump (803), an output end of the output air pump (803) is fixedly and communicatively connected with the air outlet hose (802), and the inside of the uniform air outlet pipe (801) is fixedly installed with an electric heating net (804).

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