A pulp molding production device

Abstract

The present application discloses a pulp molding production device, which relates to the technical field of pulp molding, and comprises a production operation table and a hot pressing molding mechanism. The hot pressing molding mechanism is arranged above the production operation table, and the semi-formed pulp molding of the upper die is compacted by driving the main shaft to improve the compactness of the pulp molding. Meanwhile, the excess water inside the upper die is squeezed out from the water separation port, thereby reducing the water content in the pulp molding after forming. Subsequently, the water separated out from the pulp molding flows from the return water tank through the return water pipe into the collection box, and the pulp water is recovered through the collection box for secondary utilization. Then, the upper die is heated to a certain extent by the upper electric heating plate. When the pulp molding is pressure-formed, the upper surface of the pulp molding is baked to a certain extent, so that the water on the surface is quickly dried. Meanwhile, the lower die is heated to a certain extent by the lower electric heating plate, so that the outer surface of the pulp molding is quickly dried and shaped.

Description

Technical Field

[0001] The utility model relates to the technical field of paper pulp molding, in particular to a paper pulp molding production device. Background Art

[0002] Pulp molding is a three-dimensional papermaking technology that uses waste paper as raw material and shapes paper products of a certain shape on a molding machine using special molds. It has four major advantages: the raw material is waste paper, including cardboard, waste carton paper, waste white-edge paper, etc., which has a wide source. The production process is completed by pulping, adsorption molding, drying and shaping, etc., which is harmless to the environment; it can be recycled and reused; the volume is smaller than foamed plastics, it can be overlapped, and transportation is convenient.

[0003] After searching, the patent number "CN218291449U" mentioned "a pulp molding production device, including a base, a top plate is provided on the top of the base, and the four corners of the bottom of the top plate are fixedly connected to the top of the base through support rods, the top of the base is provided with a plurality of bearing frames along the vertical direction, and the inner sides of all the bearing frames are fixedly connected with a bearing net, the outer walls of all the bearing frames are respectively slidably connected to one side of the four support rods, and the tops of all the bearing frames are provided with connection boxes, and the outer walls of all the connection boxes are respectively fixedly connected to one side of the four support rods, Some of the connection boxes are connected to a plurality of air outlet covers at the bottom, and a hot air blower is fixedly connected to one side of the top of the base by bolts, and the air outlet of the hot air blower is respectively connected to one side of all the connection boxes. When in use, the pulp molding is dried by hot air. However, during use, the newly formed pulp molding contains a large amount of moisture. Although it can be quickly dried by hot air, the moisture in the pulp molding evaporates quickly, and its internal structure is prone to voids. At the same time, the product is prone to warping and shrinkage after drying, which makes the pulp molding inconsistent with the original design process and increases the breakage rate.

[0004] To this end, we provide a pulp molding production device to solve the above problems. Utility Model Content

[0005] The present application provides a pulp molding production device, which solves the problem mentioned in the above background technology that the water in the pulp molding evaporates quickly, its internal structure is prone to voids, warping, shrinkage, etc., which makes the pulp molding inconsistent with the original design process.

[0006] The present application provides a pulp molding production device, comprising a production operation table and a hot pressing molding mechanism, wherein the hot pressing molding mechanism is arranged above the production operation table;

[0007] The hot pressing forming mechanism includes a pressure forming component arranged at the top inner side of the production operating table, a forming and water separation component is arranged at the inner bottom end of the production operating table, a recovery component is arranged at the bottom end of the production operating table, an upper mold heating component is arranged above the pressure forming component, and a lower mold heating component is arranged at the bottom end of the forming and water separation component.

[0008] Preferably, the pressure forming assembly comprises a driving spindle arranged at the top inner side of the production operating table, and the bottom end slot of the driving spindle is connected to the upper die.

[0009] Preferably, the molding water separation component comprises a lower die installed at the inner bottom end of the production operation table, and water separation ports are provided at both left and right ends of the lower die.

[0010] Preferably, the recovery component comprises a water return tank arranged at the lower side of the lower die, a water return pipe is installed at the bottom end of the production operation table, and a collection box is placed below the water return pipe.

[0011] Preferably, the upper mold heating assembly comprises an electric heater installed on the top of a production operating table, and an upper electric heating plate is arranged inside the upper die.

[0012] Preferably, the lower mold heating assembly includes an infrared temperature sensor installed at the rear end of the inner side of the production operating table, and a lower electric heating plate is installed on the inner side of the bottom end of the lower die.

[0013] Preferably, a dehumidification assembly is provided at the left and right ends of the production operation table, and the dehumidification assembly includes a mounting frame installed at the left and right ends of the production operation table, and a dehumidification fan is fixedly installed on the inner side of the mounting frame.

[0014] It can be seen from the above technical scheme that the present application provides a pulp molding production device, which drives the semi-formed pulp molding of the upper die to be compacted by the driving main shaft, thereby improving the compactness of the pulp molding, and at the same time, the excess water inside it will be squeezed out from the water separation port, thereby reducing the moisture content in the pulp molding after forming, and then the water separated out in the pulp molding flows from the return water tank through the return water pipe into the collection box, and the pulp water is recovered through the collection box for secondary use, and then the upper die is heated to a certain extent by the upper electric heating plate, and when the pulp molding is pressure-formed, the paper The upper surface of the pulp molding is baked to quickly dry the surface moisture. At the same time, the lower die is heated by the lower electric heating plate to quickly dry and shape the outer surface of the pulp molding. Then, the temperature of the lower die and the upper die is detected by an infrared temperature sensor to prevent the pulp molding from being burned due to excessive temperature. Finally, the production operating table is ventilated by a dehumidification fan to blow out the moisture, ensure the air humidity on the production operating table, and avoid moisture accumulation on the production operating table to produce condensed water, which affects the normal operation of the production operating table.

[0015] Compared with the prior art, the beneficial effects of the utility model are:

[0016] 1. Through the setting of dehumidification components, the dehumidification fan is used to ventilate the production operation table, blow out the moisture in it, ensure the air humidity on the production operation table, and avoid moisture accumulation on the production operation table to produce condensed water, which affects the normal operation of the production operation table;

[0017] 2. Through the setting of the hot pressing molding mechanism, the semi-formed pulp molding of the upper die is compacted by driving the main shaft to improve the compactness of the pulp molding. At the same time, the excess water inside it will be squeezed out from the water separation port, thereby reducing the moisture content in the pulp molding after molding. Then the water separated from the pulp molding flows into the collection box from the return water tank through the return water pipe. The pulp water is recovered through the collection box for secondary utilization. Then, the upper die is heated to a certain extent by the upper electric heating plate. When the pulp molding is pressure-formed, the upper surface of the pulp molding is baked to a certain extent so that the moisture on the surface is quickly dried. At the same time, the lower die is heated to a certain extent by the lower electric heating plate so that the outer surface of the pulp molding is quickly dried and shaped. Then, the temperature of the lower die and the upper die is detected by the infrared temperature sensor to prevent the pulp molding from being burned due to excessive temperature.

[0018] In summary, the present application, through the setting of a hot pressing molding mechanism, performs hot pressing molding on the freshly produced pulp molding, squeezes out the moisture in the pulp molding, and bakes the surface of the pulp molding to a certain extent to remove the moisture on the surface, thereby improving the compactness of the internal structure and avoiding significant shrinkage and warping of the pulp molding during the subsequent drying process, thereby improving the quality of the finished pulp molding product. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the present application, the following is a brief introduction to the drawings required for use in the implementation cases. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.

[0020] Figure 1 This is a schematic diagram of the overall appearance structure proposed by the utility model;

[0021] Figure 2 This is a schematic diagram of the matching structure of the lower pressing die and the lower die heating assembly proposed in the utility model;

[0022] Figure 3 This is a schematic diagram of the dehumidification component structure proposed by the utility model;

[0023] Figure 4 The utility model proposed Figure 2 Enlarged structural diagram at A in the middle.

[0024] In the figure: 1. Production operation table; 2. Hot pressing molding mechanism; 21. Pressure molding assembly; 211. Driving spindle; 212. Upper die; 22. Molding water separation assembly; 221. Lower die; 222. Water separation port; 23. Recovery assembly; 231. Return water trough; 232. Return water pipe; 233. Collection box; 24. Upper mold heating assembly; 241. Electric heater; 242. Upper electric heating plate; 25. Lower mold heating assembly; 251. Infrared temperature sensor; 252. Lower electric heating plate; 3. Dehumidification assembly; 31. Mounting bracket; 32. Dehumidification fan. DETAILED DESCRIPTION

[0025] In order to enable those skilled in the art to better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the accompanying drawings.

[0026] See also Figure 1-4 As shown, a pulp molding production device includes a production operation table 1 and a hot pressing molding mechanism 2, and the hot pressing molding mechanism 2 is arranged above the production operation table 1;

[0027] The hot pressing forming mechanism 2 includes a pressure forming component 21 arranged at the inner top end of the production operating table 1, a forming and water separation component 22 is arranged at the inner bottom end of the production operating table 1, a recovery component 23 is arranged at the bottom end of the production operating table 1, an upper mold heating component 24 is arranged above the pressure forming component 21, and a lower mold heating component 25 is arranged at the bottom end of the forming and water separation component 22.

[0028] In this embodiment, the pressure molding assembly 21 includes a driving spindle 211 arranged at the top inner side of the production operating table 1, and the bottom end slot of the driving spindle 211 is connected to an upper die 212. The driving spindle 211 drives the upper die 212 to compact the semi-formed pulp molding, thereby improving the compactness of the pulp molding and the smoothness of the pulp molding.

[0029] In this embodiment, the molding water desorption component 22 includes a lower pressure mold 221 installed at the inner bottom end of the production operation table 1, and water desorption ports 222 are provided at both left and right ends of the lower pressure mold 221. When the semi-molded pulp molding is extruded, the excess water inside it will be squeezed out from the water desorption ports 222, thereby reducing the moisture content in the pulp molding after molding and improving the efficiency of subsequent drying and shaping.

[0030] In this embodiment, the recovery component 23 includes a return water trough 231 arranged on the lower side of the lower die 221, a return water pipe 232 is installed at the bottom end of the production operating table 1, and a collecting box 233 is placed below the return water pipe 232. The water precipitated from the pulp molding flows from the return water trough 231 through the return water pipe 232 into the collecting box 233, and the pulp water is recovered through the collecting box 233 for secondary utilization.

[0031] In this embodiment, the upper mold heating assembly 24 includes an electric heater 241 installed on the top of the production operation table 1, and an upper electric heating plate 242 is provided inside the upper mold 212. The upper mold 212 is heated to a certain extent by the upper electric heating plate 242. When the pulp molding is pressure-formed, the upper surface of the pulp molding is baked to a certain extent, so that the moisture on the surface is quickly dried, thereby improving the effect of subsequent drying.

[0032] In some embodiments, the lower mold heating assembly 25 includes an infrared temperature sensor 251 installed at the rear end of the inner side of the production operating table 1, and a lower electric heating plate 252 is installed on the inner side of the bottom end of the lower mold 221. The lower mold 221 is heated to a certain extent by the lower electric heating plate 252 to bake the lower surface of the pulp molding. At the same time, the temperature of the lower mold 221 and the upper mold 212 is detected by the infrared temperature sensor 251 to prevent the pulp molding from being burned due to excessive temperature, thereby ensuring safety of use.

[0033] In some embodiments, a dehumidification component 3 is provided at the left and right ends of the production operation table 1. The dehumidification component 3 includes a mounting frame 31 installed at the left and right ends of the production operation table 1. A dehumidification fan 32 is fixedly installed on the inner side of the mounting frame 31. The dehumidification fan 32 is used to ventilate the production operation table 1 to blow out the moisture therein, thereby ensuring the air humidity on the production operation table 1 and preventing moisture from accumulating on the production operation table 1 to produce condensed water, thereby affecting the normal operation of the production operation table 1.

[0034] It can be seen from the above technical scheme that when in use, the device is first installed at the desired location, and then the upper die 212 is driven by the main shaft 211 to compact the semi-formed pulp molding to improve the compactness of the pulp molding. At the same time, the excess water inside it will be squeezed out from the water outlet 222, thereby reducing the moisture content in the pulp molding after molding. Then, the water precipitated from the pulp molding flows from the return water tank 231 through the return water pipe 232 into the collection box 233, and the pulp water is recovered through the collection box 233 for secondary use. Then, the upper die 212 is heated to a certain extent by the upper electric heating plate 242. When the pulp molding is pressure-formed, the pulp molding is heated to a certain extent. The upper surface of the production platform 1 is baked to a certain extent so that the surface moisture is quickly dried, and at the same time, the lower die 221 is heated to a certain extent by the lower electric heating plate 252, so that the outer surface of the pulp molding is quickly dried and shaped, and then the temperature of the lower die 221 and the upper die 212 is detected by the infrared temperature sensor 251 to prevent the pulp molding from being burned by excessive temperature, and finally the production platform 1 is ventilated by the dehumidification fan 32 to blow out the moisture therein, thereby ensuring the air humidity on the production platform 1 and preventing moisture from accumulating on the production platform 1 to produce condensed water, thereby affecting the normal operation of the production platform 1, thereby completing the use of a pulp molding production device.

[0035] Those skilled in the art will readily appreciate other embodiments of the present application after considering the specification and practicing the application disclosed herein. The present application is intended to cover any variations, uses or adaptations of the present application, which follow the general principles of the present application and include common knowledge or customary techniques in the art that are not disclosed in the present application. The specification and examples are intended to be exemplary only, and the true scope of the present application is indicated by the claims.

[0036] It should be understood that the present application is not limited to the precise structure described above and shown in the drawings, and various modifications and changes can be made without departing from its scope. The above embodiments of the present application do not constitute a limitation on the scope of protection of the present application.

Claims

1. A pulp molding production device, comprising a production operation table (1) and a hot pressing molding mechanism (2), characterized in that: A hot pressing forming mechanism (2) is arranged above the production operation table (1); The hot pressing forming mechanism (2) comprises a pressure forming component (21) arranged at the top inner side of a production operation table (1), a forming water separation component (22) is arranged at the inner bottom side of the production operation table (1), a recovery component (23) is arranged at the bottom end of the production operation table (1), an upper mold heating component (24) is arranged above the pressure forming component (21), and a lower mold heating component (25) is arranged at the bottom end of the forming water separation component (22).

2. A pulp molding production device according to claim 1, characterized in that: The pressure forming assembly (21) comprises a driving spindle (211) arranged at the top inner side of the production operation table (1), and a bottom end slot of the driving spindle (211) is connected to an upper pressing die (212).

3. A pulp molding production device according to claim 2, characterized in that: The molding water extraction component (22) comprises a lower pressing die (221) installed at the inner bottom end of the production operation table (1), and water extraction ports (222) are provided at both left and right ends of the lower pressing die (221).

4. A pulp molding production device according to claim 3, characterized in that: The recovery component (23) comprises a water return tank (231) arranged at the lower side of the lower die (221); a water return pipe (232) is installed at the bottom end of the production operation table (1); and a collection box (233) is placed below the water return pipe (232).

5. A pulp molding production device according to claim 4, characterized in that: The upper mold heating assembly (24) comprises an electric heater (241) installed on the top of the production operation table (1), and an upper electric heating plate (242) is arranged inside the upper die (212).

6. A pulp molding production device according to claim 4, characterized in that: The lower mold heating assembly (25) comprises an infrared temperature sensor (251) installed at the rear end of the inner side of the production operation table (1), and a lower electric heating plate (252) is installed at the inner side of the bottom end of the lower pressing mold (221).

7. A pulp molding production device according to claim 2, characterized in that: Dehumidification components (3) are provided at the left and right ends of the production operation table (1), and the dehumidification components (3) include mounting frames (31) mounted at the left and right ends of the production operation table (1), and a dehumidification fan (32) is fixedly mounted on the inner side of the mounting frame (31).

Images