Paper pulp molding device and heating and dehumidifying structure

Abstract

The utility model provides a paper pulp molding device and a heating dehumidification structure, which comprise a molding device main body and a heating base, an upper mold plate is arranged above the molding device main body, the heating base for heating the upper mold plate is arranged above the upper mold plate, a plurality of groups of forming mold cavities I are formed below the upper mold plate at equal intervals, and the interior of the heating base is of a hollow structure. And a plurality of groups of heating grooves for heating the forming die cavity I are formed in the heating base at equal intervals. Compared with the prior art, the heating device has the following beneficial effects that the heating base is arranged and is made of copper, and after the heating base is heated by the plurality of groups of electric heating plates in the heating base, the good heat conductivity of the copper is utilized; heat can be transferred to the interiors of the multiple sets of heating grooves, the heat can be concentrated and act on one surface of the forming die cavity through the horn-shaped structures of the heating grooves, and therefore paper pulp attached to the inner wall of the forming die cavity can be heated and dehumidified, and the heat utilization efficiency is greatly improved.

Description

Technical Field

[0001] This utility model belongs to the field of molding device technology, and specifically relates to a pulp molding device and a heating and dehumidification structure. Background Technology

[0002] Pulp molding equipment is a production device used to transform waste paper or plant fibers (such as rice straw, wheat straw, etc.) into environmentally friendly packaging materials of various shapes and uses. This device pours a pulp suspension into a mold and uses vacuum adsorption technology to make the pulp adhere tightly to the mold surface to form a product of a specific shape. During the pulp molding process, the pulp contains a large amount of water. If this water is not removed in time, it will lead to excessive moisture content in the product, affecting its mechanical properties and usability. Heating can accelerate moisture evaporation, shorten drying time, and improve production efficiency. Existing heating methods generally use electric heating or steam heating for dehumidification. The advantage of this method is that it can quickly heat and dehumidify the pulp, but its disadvantage is high energy consumption, increasing production costs. Especially in large-scale production, energy waste is even more prominent. Therefore, a new structure is proposed to solve these problems. Utility Model Content

[0003] In view of the shortcomings of the existing technology, the purpose of this utility model is to provide a pulp molding device and a heating and dehumidification structure to solve the problems mentioned in the background art.

[0004] This utility model is achieved through the following technical solution: a pulp molding device and a heating and dehumidification structure, comprising: a molding device body and a heating base, wherein an upper template is provided above the molding device body, and a heating base for heating the upper template is installed above the upper template.

[0005] The upper template has several equidistant molding cavities below it. The heating base has a hollow structure inside. The heating base has several sets of heating grooves equidistantly arranged for heating the molding cavities. The heating grooves have several sets of ventilation holes equidistantly arranged on their outer sides for dehumidification.

[0006] In a preferred embodiment, a dehumidification box is installed on the right side of the main body of the molding device. The upper left side of the dehumidification box is connected to the heating base through a circulating air extraction pipe, and an exhaust pipe is provided through the right side of the dehumidification box.

[0007] In a preferred embodiment, a control box is provided below the main body of the molding device. A placement cavity is provided inside the upper part of the control box. A lower template is placed inside the placement cavity. The top of the placement cavity is open. Several constituent molding cavities are provided at equal intervals on the top of the lower template. Positioning grooves are provided at the four corners of the top of the lower template.

[0008] In a preferred embodiment, the number of the molding cavities is the same as the number of heating grooves, and the positions of the several sets of molding cavities and the several sets of heating grooves are vertically opposite each other.

[0009] In a preferred embodiment, the heating groove has a trumpet-shaped structure that is wider at the bottom and narrower at the top. The top of the heating groove is located inside the placement cavity. Several sets of electric heating plates are installed sequentially from left to right inside the placement cavity. A baffle is provided below the heating plates. The shape of the heating groove matches the structure of the molding cavity. By utilizing the good thermal conductivity of copper and the trumpet-shaped structure of the heating groove, heat can be concentrated on the surface of the molding cavity, improving heating efficiency and thus saving energy.

[0010] In a preferred embodiment, four sets of positioning posts are provided at the four corners of the bottom of the upper template, and four sets of positioning holes are provided at the four corners of the top of the heating base. The radius and depth of the positioning holes match the radius and height of the positioning posts, and the distance between the four sets of positioning holes is the same as the distance between the four sets of positioning posts.

[0011] In a preferred embodiment, the heating base is made of copper, and the bottom of the heating base is fixed to the top of the upper template by four sets of screws.

[0012] After adopting the above technical solution, the beneficial effects of this utility model are as follows: 1. By setting a heating base, the bottom of the heating base is provided with several sets of heating grooves. The heating grooves are funnel-shaped structures that are wider at the bottom and narrower at the top. The shape of the heating grooves matches the shape of several sets of forming mold cavities provided on the top of the upper template. The heating base is made of copper. After the heating base is heated by several sets of electric heating plates inside it, the heat can be transferred to the inside of several sets of heating grooves by utilizing the good thermal conductivity of copper. By utilizing the funnel-shaped structure of the heating grooves, the heat can be concentrated and applied to the surface of the forming mold cavity, thereby heating and dehumidifying the pulp attached to the inner wall of the forming mold cavity, which greatly improves the heat utilization efficiency and saves energy.

[0013] 2. By setting up vents and a circulating exhaust pipe, after the pulp is heated, the moisture evaporates and enters the placement chamber through the vents. Then, the moisture is introduced into the dehumidification chamber through the circulating exhaust pipe and finally discharged through the exhaust pipe on the right side of the dehumidification chamber. The final effect is that by setting up vents and a circulating exhaust pipe, the moisture evaporated from the pulp can be discharged, improving the drying efficiency. Attached Figure Description

[0014] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0015] Figure 1 This is a schematic diagram of a pulp molding device and a heating and dehumidification structure according to the present invention.

[0016] Figure 2 This is a schematic diagram of the upper template in the pulp molding device and heating and dehumidification structure of this utility model.

[0017] Figure 3 This is a schematic diagram of the heating base in the pulp molding device and heating and dehumidification structure of this utility model.

[0018] Figure 4 This is a schematic diagram of the lower template in the pulp molding device and heating and dehumidification structure of this utility model.

[0019] Figure 5 This is a schematic diagram of the air vents in the pulp molding device and heating and dehumidifying structure of this utility model.

[0020] In the diagram, 100-Main body of molding device, 110-Upper template, 111-Molding cavity one, 112-Positioning post, 120-Heating base, 121-Heating groove, 122-Electric heating plate, 123-Ventilation hole;

[0021] 200-Control box, 210-Lower template, 211-Positioning hole, 212-Forming cavity two;

[0022] 300 - Dehumidification chamber, 310 - Circulating air extraction pipe. Detailed Implementation

[0023] 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 one aspect of the present utility model, and not all aspects. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present utility model.

[0024] Please see Figures 1 to 5A pulp molding device and a heating and dehumidification structure, comprising: a molding device body 100 and a heating base 120, wherein an upper template 110 is provided above the molding device body 100, and a heating base 120 for heating the upper template 110 is installed above the upper template 110.

[0025] The upper template 110 has several molding cavities 111 equidistantly arranged below it. The heating base 120 has a hollow structure inside. The heating base 120 has several heating grooves 121 equidistantly arranged on its base for heating the molding cavities 111. The heating grooves 121 have several vent holes 123 equidistantly arranged on their outer sides for dehumidification.

[0026] A dehumidification chamber 300 is installed on the right side of the main body 100 of the molding device. The upper left side of the dehumidification chamber 300 is connected to the heating base 120 through a circulating air extraction pipe 310. An exhaust pipe is provided on the right side of the dehumidification chamber 300.

[0027] Below the main body 100 of the molding device is a control box 200. Inside the control box 200, there is a placement cavity at the top. Inside the placement cavity, there is a lower template 210. The top of the placement cavity is open. Several constituent mold cavities 212 are equidistantly opened on the top of the lower template 210. Positioning grooves are opened at the four corners of the top of the lower template 210.

[0028] The number of molding cavities 111 is the same as the number of heating grooves 121, and the positions of several sets of molding cavities 111 and several sets of heating grooves 121 are vertically opposite each other.

[0029] The heating groove 121 has a flared structure that is wider at the bottom and narrower at the top. The top of the heating groove 121 is located inside the placement cavity. Several sets of electric heating plates 122 are installed from left to right inside the placement cavity. A baffle is provided below the heating plates. The shape of the heating groove 121 matches the structure of the forming mold cavity 111. By utilizing the good thermal conductivity of copper and the flared structure of the heating groove 121, heat can be concentrated on the surface of the forming mold cavity, improving heating efficiency and saving energy.

[0030] The upper template 110 has four sets of positioning posts 112 at the four corners of the bottom, and the heating base 120 has four sets of positioning holes 211 at the four corners of the top. The radius and depth of the positioning holes 211 match the radius and height of the positioning posts 112, and the distance between the four sets of positioning holes 211 is the same as the distance between the four sets of positioning posts 112.

[0031] The heating base 120 is made of copper, and the bottom of the heating base 120 is fixed to the top of the upper template 110 by four sets of screws.

[0032] Example 1: Please refer to Figures 1 to 4In actual use, the heating base 1202 is installed inside the upper part of the molding device body 100. The upper template 110 is fixed to the bottom of the heating base 120 by four sets of screws, so that the inner wall of the several sets of heating grooves 121 opened at the bottom of the heating base 120 is connected to the outer side of the molding cavity 111. The molding device body 100 is provided with a control box 200 below. The control box 200 is provided with a lower template 210 that matches the specifications of the upper template 110 (the molding device body 100100 is existing technology, and its internal structure and working principle will not be described in detail here). The four sets of positioning pins 112 at the bottom four corners of the upper template 110 are respectively connected to the four sets of positioning holes 211 at the top four corners of the lower template 210.

[0033] The heating base 120 has a hollow internal structure, with several sets of electric heating plates 122 installed from left to right on the upper part of its interior. After the sets of electric heating plates 122 are powered on, they heat the interior of the heating base 120. Since the heating base 120 is made of copper, the good thermal conductivity of copper can transfer heat to the surface of the sets of heating bases 120. Since the heating groove 121 has a trumpet-shaped structure that is wider at the bottom and narrower at the top, the heat can be concentrated on the surface of the forming mold cavity 111. This can heat the pulp temporarily attached to the inner wall of the forming mold cavity 111 and evaporate the moisture, which can greatly improve the heat utilization efficiency and save energy.

[0034] Example 2: Please refer to Figure 3 and Figure 5 After the heating base 120 heats the pulp on the inner wall of the forming mold cavity 111, the moisture inside the pulp is heated and evaporated. The evaporated moisture flows upward and enters the placement cavity through several sets of vent holes 123 opened in the heating tank 121. The baffle provided inside the placement cavity can separate the electric heating plate 122 from the moisture to prevent the moisture from interfering with the normal operation of the electric heating plate 122. Then the dehumidification box 300 is started. After the dehumidification box 300 is working, the moisture diffused in the placement cavity is drawn into the dehumidification box 300 through the circulating air extraction pipe 310 and finally discharged through the exhaust pipe on the right side of the dehumidification box 300. Therefore, the final effect is that the moisture can enter the placement cavity upward through the vent holes 123 and then be extracted and discharged by the dehumidification box 300, which greatly increases the dehumidification efficiency and improves the drying efficiency.

[0035] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A pulp molding apparatus and a heating and dehumidification structure, comprising: The molding device body (100) and heating base (120) are characterized in that: an upper template (110) is provided above the molding device body (100), and a heating base (120) for heating the upper template (110) is installed above the upper template (110); The upper template (110) has several molding cavities (111) equidistantly arranged below it. The heating base (120) has a hollow structure inside. The heating base (120) has several heating grooves (121) equidistantly arranged on its base for heating the molding cavity (111). The heating grooves (121) have several vent holes (123) equidistantly arranged on their outer sides for dehumidification.

2. The pulp molding device and heating and dehumidification structure as described in claim 1, characterized in that: A dehumidification chamber (300) is installed on the right side of the main body (100) of the molding device. The upper left side of the dehumidification chamber (300) is connected to the heating base (120) through a circulating exhaust pipe (310). An exhaust pipe is provided on the right side of the dehumidification chamber (300).

3. The pulp molding device and heating and dehumidification structure as described in claim 2, characterized in that: The main body (100) of the molding device is provided with a control box (200) below. The control box (200) has a placement cavity at the top. The placement cavity contains a lower template (210). The top of the placement cavity is open. The top of the lower template (210) has several equidistant molding cavities (212). The four corners of the top of the lower template (210) have positioning grooves.

4. The pulp molding device and heating and dehumidification structure as described in claim 1, characterized in that: The number of molding cavities (111) is the same as the number of heating grooves (121), and the positions of several sets of molding cavities (111) and several sets of heating grooves (121) are vertically opposite each other.

5. The pulp molding device and heating and dehumidification structure as described in claim 4, characterized in that: The heating groove (121) is a trumpet-shaped structure that is wider at the bottom and narrower at the top. The top of the heating groove (121) is located inside the placement cavity. Several sets of electric heating plates (122) are installed in sequence from left to right inside the placement cavity. A baffle is provided below the heating plate. The shape of the heating groove (121) matches the structure of the molding cavity (111).

6. The pulp molding device and heating and dehumidification structure as described in claim 1, characterized in that: The upper template (110) is provided with four sets of positioning posts (112) at the four corners of the bottom, and the heating base (120) is provided with four sets of positioning holes (211) at the four corners of the top. The radius and depth of the positioning hole (211) match the radius and height of the positioning post (112), and the distance between the four sets of positioning holes (211) is the same as the distance between the four sets of positioning posts (112).

7. The pulp molding device and heating and dehumidification structure as described in claim 1, characterized in that: The heating base (120) is made of copper, and the bottom of the heating base (120) is fixed to the top of the upper template (110) by four sets of screws.

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