Paper-plastic mold pulp suction amount control structure and paper-plastic machine

Abstract

The utility model relates to the technical field of paper-plastic forming, in particular to a paper-plastic mold pulp suction amount control structure and a paper-plastic machine. The mold is fixedly arranged on the machine table, the mold and the machine table form a liquid medium conduction channel, and the mold is used for intercepting a solid medium; the control plate is arranged between the machine table and part of the mold, and the control plate shrinks the liquid medium to conduct the channel; the paper-plastic mold pulp suction amount control structure at least has two guiding states, the first state is that a liquid medium is guided to a machine table through the mold, the second state is that the liquid medium is guided to the machine table through the mold and the control panel, and in the two states, solid media are attached to the side, away from the control panel, of the mold; the control panel located between the machine table and the mold controls the flow of the liquid medium, the collection speed of the solid-liquid mixed medium on the surface of the mold corresponding to the control panel is changed, and compared with the mold part which does not pass through the control panel, products with different thicknesses are formed on the surface of the mold, or the same product has different thicknesses in different areas.

Description

Technical Field

[0001] The utility model relates to the technical field of paper-plastic molding, in particular to a paper-plastic mold slurry absorption amount control structure and a paper-plastic machine. Background Art

[0002] Paper-plastic molding, a manufacturing process that combines the properties of paper and plastic, has recently gained widespread application in a variety of fields, including packaging, stationery, and toys. Currently, the template design of most paper-plastic molding machines follows a standardized principle: all air cells on the template are of the same size. This design aims to ensure uniform suction distribution, ensuring even deposition of paper pulp on the mold surface and ensuring product consistency and stability.

[0003] Traditional paper-plastic molding machines utilize uniformly sized air chambers, which, while ensuring uniform slurry absorption to a certain extent, cannot adapt to the production demands of products of varying thicknesses and weights. Producing products with unique shapes or sizes often requires replacing the entire mold plate, limiting product diversity and flexibility. This not only impacts the adaptability and flexibility of the production line but can also increase production costs and reduce efficiency. Utility Model Content

[0004] The utility model aims to provide a paper-plastic mould slurry suction amount control structure and a paper-plastic machine, so as to solve the problem of single product production by paper-plastic moulding machines in the prior art.

[0005] The technical solution of the present utility model is: a paper plastic mold slurry absorption amount control structure, comprising: a machine platform; a mold, fixedly mounted on the machine platform, the mold and the machine platform forming a liquid medium conduction channel, the mold being used to intercept solid medium; a control panel, arranged between the machine platform and part of the mold, the control panel contracting the liquid medium conduction channel; the paper plastic mold slurry absorption amount control structure has at least two guiding states, state one: the liquid medium is guided to the machine platform through the mold, state two: the liquid medium is guided to the machine platform through the mold and the control panel, in both states, the solid medium is attached to the side of the mold facing away from the control panel.

[0006] Preferably, the mold includes a frame and a filter plate, the outer peripheral side of the filter plate is fixedly connected to the inner wall of the frame, the frame is in contact with the machine, and a spacing is set between the filter plate and the machine.

[0007] Preferably, the outer peripheral side of the control plate is connected to the frame, and the control plate is provided with a guide hole connecting the filter plate and the machine, and the size of the guide hole is smaller than the size of the filter plate.

[0008] Preferably, a distance is set between the control plate and the filter plate.

[0009] Preferably, there are at least two molds, at least one of which has the control board embedded therein, and at least another mold is hollowed out between itself and the machine platform.

[0010] Preferably, the machine platform is provided with a plurality of platform holes, and one mold is connected to at least one of the platform holes to form a single liquid medium conducting channel.

[0011] Preferably, the frame corresponds to at least one platform hole, and the inner wall of the platform hole is located within the range of a frame.

[0012] Preferably, a plurality of the molds are provided, and adjacent molds are detachably connected.

[0013] A paper molding machine comprises a paper molding mold slurry absorption amount control structure.

[0014] Preferably, it also includes a vacuum pump, a vacuum box and a vacuum pipe for generating negative pressure, one end of the vacuum pipe is connected to the vacuum pump, and the other end is connected to the interior of the vacuum box, the top of the vacuum box is open, the machine is fixed at the opening of the vacuum box, and the vacuum box is connected to the machine.

[0015] Compared with the prior art, the advantages of the present invention are:

[0016] (1) The solid-liquid mixed medium enters the equipment from one side of the mold. The mold intercepts the solid medium on the mold surface and forms it on the surface of the mold. The liquid medium can be discharged by vacuuming, gravity separation, etc., and the solid medium and liquid medium are separated on the mold surface. The control board located between the machine and the mold controls the flow rate and flow velocity of the liquid medium, thereby changing the convergence speed of the solid-liquid mixed medium on the mold surface corresponding to the control board. Relative to the mold part that has not passed through the control board, products of different thicknesses can be formed on the mold surface, or the same product can have different thicknesses in different areas.

[0017] (2) A certain distance is left between the control plate and the filter plate for the liquid medium to change its flow direction, thereby preventing the liquid medium from being blocked by the control plate and reversely impacting the solid medium attached to the mold surface, thereby ensuring the molding quality of the product and reducing the risk of wear on the filter plate, which helps to extend the service life of the filter plate and reduce production costs.

[0018] (3) The size of the guide hole is smaller than that of the filter plate, which means that when the liquid medium flows from the filter plate to the machine, it must pass through a smaller channel, namely the guide hole. This design limits the flow rate of the liquid medium and ensures that the liquid medium passes through the filter plate smoothly and evenly, which helps to optimize the pressure distribution during the flow of the liquid medium. While increasing the flow rate, it ensures that the pressure is evenly distributed on the entire surface of the filter plate, thereby improving the adhesion quality.

[0019] (4) The molds are independent and can process multiple products of different thicknesses at the same time in the same production cycle. Each mold can be customized and adjusted according to the thickness of the required product, which significantly improves production efficiency. This design makes the production cycle shorter and the output higher, thus bringing greater economic benefits to the enterprise.

[0020] (5) The liquid medium will be constrained and guided by the table holes, thereby avoiding local accumulation and uneven flow of the liquid medium, helping to ensure the stability and consistency of the pulp during the filtration process, reducing turbulence generated by the liquid medium when passing through the mold, and avoiding turbulence that will cause uneven distribution of flow rate and pressure of the liquid medium, affecting the filtration effect and product quality, thereby improving the stability of the filtration process. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0022] Figure 1 This is a structural diagram of the paper-plastic mold slurry suction control structure of the present invention;

[0023] Figure 2 This is a schematic diagram of the exploded structure of the paper-plastic mold slurry suction control structure of the present invention;

[0024] Figure 3 This is a partial cross-sectional structural diagram of the paper-plastic mold slurry suction control structure of the present invention;

[0025] Figure 4 This is a schematic diagram of the positional relationship between the control panel and the mold according to the present invention;

[0026] Figure 5 This is a schematic diagram of the positional relationship between the control panel and the machine platform described in the present invention.

[0027] Description of reference numerals:

[0028] 1. Machine platform; 11. Platform hole; 2. Mold; 21. Frame; 22. Filter plate; 3. Control board; 31. Guide hole; 4. Liquid medium conduction channel. DETAILED DESCRIPTION

[0029] To make the purpose, technical solutions, and advantages of the present invention more clear, the following will provide a clear and complete description of the technical solutions of the present invention in conjunction with specific embodiments of the present invention and the corresponding drawings. Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. All other embodiments derived by persons of ordinary skill in the art based on the embodiments of the present invention without inventive effort are also within the scope of protection of the present invention.

[0030] The following describes embodiments of the present invention in detail. Examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended only to explain the present invention and are not to be construed as limiting the present invention.

[0031] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0032] Unless otherwise defined, all technical and scientific terms used in the specification of this application have the same meaning as commonly understood by those skilled in the art to which this application belongs. The terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application. The term "and / or" used in the specification of this application includes any and all combinations of one or more of the relevant listed items.

[0033] refer to Figure 1 and Figure 2 As shown, a paper mold slurry suction control structure includes a machine 1 and a mold 2. The mold 2 is fixed to the end face of the machine 1. The mold 2 and the machine 1 form a liquid medium conduction channel 4. The mold 2 intercepts the solid medium. That is, when the solid-liquid mixed medium passes through the mold 2, the solid medium is attached to the end face of the mold 2 facing away from the machine 1. The liquid mixed medium passes through the mold 2 and the machine 1 to form a liquid medium conduction channel 4, thereby achieving separation of the solid medium and the liquid medium. A control board 3 is provided between the machine 1 and the mold 2. In this embodiment, the control board 3 is provided between some of the machine 1 and the mold 2, while the control board 3 is not provided between other parts of the machine 1 and the mold 2. That is, the control board 3 is provided on the path of the liquid medium conduction channel 4 formed by the mold 2 and the machine 1. Alternatively, multiple control boards 3 are provided between the machine 1 and the mold 2, and the conduction rates of the multiple control boards 3 are different.

[0034] Control board 3 has at least two guiding states: State 1: the liquid medium is guided toward machine 1 through mold 2; State 2: the liquid medium is guided toward machine 1 through mold 2 and control board 3. In both states, the solid medium adheres to the side of mold 2 facing away from control board 3. The control board 3 includes, but is not limited to, these states.

[0035] refer to Figure 2 As shown, specifically, the mold 2 includes a frame 21 and a filter plate 22. The frame 21 is a closed structure of a rotating body. In this embodiment, the frame 21 is a hollow square structure. In other variant embodiments, the frame 21 is a hollow circular structure or a hollow polygonal structure. The frame 21 is fixedly connected to the end face of the machine 1. Preferably, the frame 21 and the machine 1 are fixed in a welding manner to reduce the risk of leakage of the liquid medium from between the frame 21 and the machine 1. More preferably, the frame 21 and the machine 1 are sealed by a sealing ring. Specifically, the bottom of the frame 21 is plugged into the machine 1, and the machine 1 has a built-in sealing ring. The sealing ring seals the connection between the frame 21 and the machine 1, which can facilitate the rapid installation and disassembly of the frame 21 and the machine 1 while ensuring the smooth flow of the liquid medium.

[0036] In this embodiment, filter plate 22 is a perforated plate. The pore size, shape, and distribution of the perforated plate can be designed and manufactured based on factors such as the properties of the pulp, fiber length, fiber morphology, and the purpose of the test. Specifically, the perforated plate is an industrial perforated plate with a pore diameter between 1.4 mm and 2.4 mm, which performs a primary screening of the pulp. In other variations, filter plate 22 can be a mesh plate or a grid plate.

[0037] Ginseng Figure 3 As shown, in this embodiment, the thickness of the filter plate 22 is less than that of the frame 21. Preferably, the upper end surface of the filter plate 22 is flush with the upper end surface of the frame 21, and more preferably, the upper end surface of the filter plate 22 is lower than the upper end surface of the frame 21. That is, a groove for accommodating the solid medium is formed between the inner wall surface of the filter plate 22 and the upper end surface of the frame 21. The solid medium is formed into a product within this groove. Due to the boundary effect of the frame 21, the burrs on the outer periphery of the product are reduced, thereby improving the quality of the product. In this embodiment, the filter plate 22 has a flat plate structure to form a flat product. In other embodiments, the filter plate 22 structure can be designed according to the specific shape of the product.

[0038] Specifically, the lower end surface of the filter plate 22 is higher than the lower end surface of the frame 21, leaving space for the installation of the control board 3. A gap is also left between the filter plate 22 and the machine 1, ensuring that the media can be more evenly distributed on the end surface of the filter plate 22 during the separation process. This uniform distribution helps reduce the risk of local overload and blockage, making the filtration process smoother and improving filtration efficiency.

[0039] refer to Figure 4 As shown, the control board 3 is disposed within the frame 21 or within the machine 1. Specifically, the control board 3 is disposed on the liquid medium conduction channel 4 formed by the mold 2 and the machine 1 to control the flow rate of the liquid medium. In this embodiment, a retaining groove is recessed within the lower end surface of the frame 21. The outer circumference of the control board 3 is aligned with the inner wall of the retaining groove. Specifically, the control board 3 and the frame 21 have an interference fit. The control board 3 is provided with a guide hole 31, which connects the mold 2 and the machine 1. In this embodiment, there is a single guide hole 31, and its area is smaller than that of the filter plate 22, thereby constricting the liquid medium conduction channel 4. Preferably, a certain distance is provided between the control plate 3 and the filter plate 22. Since the liquid medium changes its flow rate and is obstructed by the control plate 3, it will change its flow direction and flow out of the guide holes 31. A certain distance is left between the control plate 3 and the filter plate 22 to allow the liquid medium to change direction. This prevents the liquid medium from being obstructed by the control plate 3 and impacting the solid medium attached to the surface of the mold 2, thereby ensuring the molding quality of the product. In other variations, multiple guide holes 31 may be provided, and the number of guide holes 31 can be adjusted based on the desired thickness of the product.

[0040] refer to Figure 5 As shown, the machine 1 is provided with a plurality of platform holes 11 for connecting to the transition plate 22. Specifically, one mold 2 corresponds to at least one platform hole 11, and the frame 21 of one mold 2 is physically connected to the machine 1 around at least one platform hole 11 to form a liquid medium conduction channel 4. That is, the medium flows between adjacent molds 2 are independent of each other, and one mold 2 unit forms one product, avoiding mutual conduction between adjacent molds 2, thereby preventing the liquid medium from flowing into the adjacent molds 2, and reducing the impact on the product molding on the adjacent molds 2.

[0041] The reference figure illustrates a specific embodiment. Specifically, six molds 2 are arranged in a planar array, forming a rectangular structure. The frames 21 of two adjacent molds 2 are detachably connected. In this embodiment, the two adjacent molds 2 are connected via a latch and socket. The machine platform 1 is a plate-like structure with twelve platform holes 11 arranged in an array. Each mold 2 is connected to two platform holes 11.

[0042] Three of the molds 2 have built-in control boards 3. That is, each mold 2 corresponds to a corresponding control board 3. The control board 3 has two guide holes 31. These two guide holes 31 restrict the flow rate of the liquid medium, thereby reducing the efficiency of the solid medium adhering to the mold 2. The other three molds 2 do not have built-in control boards 3. Products formed from molds 2 with built-in guide holes 31 are thinner than those formed from molds 2 without built-in guide holes 31.

[0043] The present application also provides a paper molding machine for performing adsorption molding on the pulp in the pulp pool, including a paper molding mold pulp absorption control structure, a vacuum pump for generating negative pressure, a vacuum box, and a vacuum pipe. One end of the vacuum pipe is connected to the vacuum pump, and the other end is connected to the interior of the vacuum box. Specifically, the vacuum pipe is connected to the side wall of the vacuum box. The vacuum pump acts as a negative pressure source to evacuate the vacuum box while reducing the risk of liquid in the pulp flowing into the vacuum pump. The top of the vacuum box is open, and the machine 1 is fixedly mounted at the opening of the vacuum box, and the vacuum box is connected to the machine 1. A water outlet is provided at the bottom of the vacuum box, and the water outlet is used to discharge the liquid.

[0044] Principle: Mold 2 and machine 1 are lowered into a pulp tank, with the pulp in the tank covering the upper surface of mold 2. A vacuum pump then creates a negative pressure inside the vacuum chamber. This negative pressure applies to both the chamber opening 11 and the liquid medium passage 4 between mold 2 and machine 1. Under this negative pressure, liquid medium is introduced into the vacuum chamber from mold 2 and then removed. Solid medium adheres to the surface of mold 2, where it accumulates over time to form the product.

[0045] Because the multiple molds 2 are located in the same negative pressure environment, that is, all other conditions are the same except for the control plate 3, the control plate 3 limits the flow rate of the liquid medium passing through it, that is, it reduces the speed of the solid-liquid mixed medium entering the mold 2 carrying the control plate 3, thereby reducing the adhesion speed of the solid medium, forming a relatively thin product on the surface of the mold 2. In the mold 2 without the control plate 3, the flow rate of the liquid medium is relatively fast, and the adhesion speed of the solid medium is not affected by other factors, resulting in a relatively thick product on the surface of the mold 2. It is worth noting that the terms "thin" and "thick" are intended to better illustrate the thickness relationship of the products produced in the two relative states.

[0046] The above embodiments are only for illustrating the technical concept and features of the present invention, and their purpose is to enable people familiar with this technology to understand the content of the present invention and implement it accordingly, and they are not intended to limit the scope of protection of the present invention. For those skilled in the art, it is obvious that the present invention is not limited to the details of the above exemplary embodiments, and that the present invention can be implemented in other specific forms without departing from the spirit or basic characteristics of the present invention. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-restrictive. The scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes that fall within the meaning and scope of the equivalent elements of the claims are included in the present invention.

Claims

1. A paper plastic mold slurry suction control structure, characterized in that: include: Machine (1); A mold (2) is fixedly mounted on the machine (1), wherein the mold (2) and the machine (1) form a liquid medium conducting channel (4), and the mold (2) is used to intercept solid medium; A control panel (3) is provided between the machine platform (1) and a portion of the mold (2), and the control panel (3) contracts the liquid medium conduction channel; The paper-plastic mold slurry absorption control structure has at least two guiding states: state one: the liquid medium is guided to the machine (1) through the mold (2); state two: the liquid medium is guided to the machine (1) through the mold (2) and the control board (3); in both states, the solid medium is attached to the side of the mold (2) facing away from the control board (3).

2. A paper-plastic mold slurry suction control structure according to claim 1, characterized in that: The mold (2) comprises a frame (21) and a filter plate (22); the outer peripheral side of the filter plate (22) is fixedly connected to the inner wall of the frame (21); the frame (21) abuts against the machine (1); and a distance is provided between the filter plate (22) and the machine (1).

3. A paper-plastic mold slurry suction control structure according to claim 2, characterized in that: The outer peripheral side of the control panel (3) is connected to the frame (21), and the control panel (3) is provided with a guide hole (31) communicating with the filter plate (22) and the machine (1), and the size of the guide hole (31) is smaller than the size of the filter plate (22).

4. A paper-plastic mold slurry suction control structure according to claim 3, characterized in that: A distance is set between the control plate (3) and the filter plate (22).

5. The paper-plastic mold slurry suction control structure according to claim 1, characterized in that: There are at least two molds (2), at least one of which has the control panel (3) embedded therein, and at least another of which is hollowed out between the mold (2) and the machine (1).

6. A paper-plastic mold slurry suction control structure according to claim 2, characterized in that: The machine platform (1) is provided with a plurality of platform holes (11), and one mold (2) is connected to at least one of the platform holes (11) to form a single liquid medium conducting channel (4).

7. A paper-plastic mold slurry suction control structure according to claim 6, characterized in that: The frame corresponds to at least one platform hole (11), and the inner wall of the platform hole (11) is located within the range of a frame (21).

8. The paper-plastic mold slurry suction control structure according to claim 1, characterized in that: A plurality of the molds (2) are provided, and adjacent molds (2) are detachably connected.

9. A paper molding machine, characterized in that: The invention comprises a paper plastic mold slurry absorption amount control structure as described in any one of claims 1-8.

10. The paper molding machine according to claim 9, characterized in that: The machine (1) further comprises a vacuum pump for generating negative pressure, a vacuum box and a vacuum pipe, one end of the vacuum pipe being connected to the vacuum pump, and the other end being connected to the interior of the vacuum box, the top of the vacuum box being open, the machine (1) being fixed at the opening of the vacuum box, and the vacuum box being connected to the machine (1).

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