A compression-resistant and delamination-resistant bobbin pulp material forming device

Abstract

A compression-resistant and stratified bobbin pulp forming device comprises a frame, a forming part, a feeding part, a drying part, a die feed part and a die ejection part; the forming part, the feeding part, the drying part, the die feed part and the die ejection part are arranged on the frame; the feeding part, the drying part, the die feed part and the die ejection part are arranged above the forming part. The present invention arranges the forming part, and uses the mounting frame to drive multiple groups of forming components to rotate relative to the frame, so that each group of forming components passes through the feeding part, the die feed part, the drying part and the die ejection part respectively, thereby improving the working efficiency of the present invention and the forming efficiency of the pulp; realizing the integrated assembly line setting from feeding to die pressing and drying; the stratification of the pulp between the upper mold and the lower mold is avoided by the rotation of the rotating frame on the mounting frame, and the pressing state between the upper mold and the lower mold is adjusted by the clamping of the clamping block and the clamping slot, so as to avoid the pressing being too tight, which causes the pressing damage of the pulp in the forming state.

Description

Technical Field

[0001] The invention relates to the technical field of pulp production, in particular to a compression-resistant and delamination-resistant bobbin pulp material forming device. Background Art

[0002] The existing pulp molding is a three-dimensional papermaking technology. It uses waste paper, wood pulp or other fiber materials as raw materials, and a special mold is used on a molding machine to shape a pulp product of a certain shape. It has four major advantages: the raw materials are waste paper, wood pulp or other fiber materials, including cardboard, waste carton paper, waste white edge paper, wood pulp or bamboo pulp, bagasse pulp, etc., which are widely available; its production process is completed by pulping, adsorption molding, drying and shaping, etc., the process is short and harmless to the environment; it can be recycled and reused; the volume is smaller than that of foamed plastics, it can be overlapped, the weight is light, and it is convenient for transportation. In addition to being used as lunch boxes and tableware, pulp molding products can also be used as industrial packaging and cushioning packaging, and are currently developing very rapidly.

[0003] The existing pulp molding equipment has a low degree of integration. Corresponding feeding equipment and discharging equipment need to be set up at the front and back ends of the equipment, resulting in high costs for equipment upgrades. In addition, the automated connection performance between the components is poor, and it is impossible to achieve the production of an integrated assembly line for pulp feeding, molding, drying and discharging. In addition, the existing pulp molding equipment cannot achieve precise control during pulp feeding, which easily leads to waste of pulp raw materials. In addition, the pulp is prone to stratification during molding, resulting in a decrease in product quality. Summary of the invention

[0004] (I) Purpose of the invention

[0005] In order to solve the technical problems existing in the background technology, the present invention proposes a compression-resistant and anti-stratification bobbin pulp material forming equipment, which provides a forming component and uses a mounting frame to drive multiple groups of forming components to rotate relative to the frame, so that each group of forming components passes through a feeding component, a die-feeding component, a drying component and a die-out component respectively, thereby improving the working efficiency of the present invention and the pulp forming efficiency; realizing an integrated assembly line setting from feeding to die pressing and drying; preventing the pulp from being stratified between the upper mold and the lower mold by rotating the rotating frame on the mounting frame, and adjusting the pressing state between the upper mold and the lower mold by the clamping connection of the clamping block and the clamping groove, thereby preventing the upper mold and the lower mold from being pressed too tightly, resulting in the pulp being dried. The pressing damage occurs in the molding state; by setting the feeding component and the drying component, the operation of the discharge pump is controlled by using the elastic deformation sensor and the controller, so that the maximum elastic deformation of the spring corresponds to the gravity of the maximum amount of molding pulp, thereby realizing the precise control of the pulp feeding amount; the drying component is set to improve the molding effect of the upper mold and the lower mold on the pulp, and further improve the working efficiency of the present invention; by setting the mold feeding component and the mold ejecting component, the mold feeding lifting platform is adjusted by the first slide rail to realize the automatic mold feeding of the present invention; the mold ejecting lifting platform is adjusted by the second slide rail to realize the automatic demolding of the present invention, and the separation claw is used to realize the separation of the molding material and the lower mold.

[0006] (II) Technical solution

[0007] The present invention provides a compression-resistant and delamination-resistant bobbin pulp material forming device, comprising a frame, a forming component, a feeding component, a drying component, a die-feeding component and a die-outing component; the forming component, the feeding component, the drying component, the die-feeding component and the die-outing component are arranged on the frame; the feeding component, the drying component, the die-feeding component and the die-outing component are arranged above the forming component; the feeding component and the die-feeding component are arranged at the die-feeding end of the frame; the drying component and the die-outing component are arranged at the die-outing end of the frame; the forming component comprises a mounting frame and multiple sets of forming components; the mounting frame is rotatably arranged on the frame; the multiple sets of forming components are arranged on the mounting frame, and each set of forming components comprises a rotating frame, a sliding table, a guide rod, a spring , upper mold and lower mold; the rotating frame is rotatably set on the mounting frame; the guide rod is set on the rotating frame; the sliding table is slidably set on the guide rod and is slidably connected with the rotating frame; the lower mold is set on the sliding table, and a card slot is set on the lower mold; the spring sliding sleeve is set on the guide rod, one end of the spring is connected to the sliding table, and the other end is connected to the end of the rotating frame away from the lower mold; the upper mold is set on the die feed component, the upper mold and the lower mold are set correspondingly, and a card block corresponding to the card slot is set thereon; the feeding component includes a discharging table, a pulp tank and a discharging head; the discharging table is set on the frame; the discharging head is connected to the pulp tank, and the discharging head is set at one end of the discharging table close to the forming component.

[0008] Preferably, a cleaning component is provided on the frame; the cleaning component includes a cleaning roller and a residual material tray; the residual material tray is arranged below the forming component; the cleaning roller is rotatably arranged on the frame and is rotatably connected to the residual material tray.

[0009] Preferably, the loading component also includes an electric push rod, a stirring assembly, a discharge pump, a pulp pipe and a cleaning assembly; the electric push rod is arranged between the frame and the discharge platform; the stirring assembly is arranged on the pulp tank; the discharge pump is connected to the discharge end of the pulp tank; the two ends of the pulp pipe are respectively connected to the discharge head and the pulp tank; the cleaning assembly is arranged on the discharge platform and is slidably connected to the discharge head.

[0010] Preferably, the die component includes a first slide rail, a die lift and a die claw; the first slide rail is arranged on the frame; the die lift is slidably connected to the first slide rail; the die claw is arranged at one end of the die lift close to the molding component.

[0011] Preferably, the demolding component includes a second slide rail, a demolding lifting platform, a demolding claw and a separation claw; the second slide rail is arranged on the frame; the demolding lifting platform is arranged on the second slide rail; the demolding claw and the separation claw are arranged at one end of the demolding lifting platform close to the molding component.

[0012] Preferably, the spring is communicatively connected with an elastic deformation sensor; the feeding component includes a controller; and the controller is communicatively connected with the discharge pump and the elastic deformation sensor.

[0013] Preferably, the cleaning component includes a cleaning lifting platform, a sliding sleeve and a cleaning piece; the cleaning lifting platform is arranged on the discharging platform; a plurality of sliding sleeves are arranged, and the plurality of sliding sleeves are slidably connected to the discharging platform under the drive of the cleaning lifting platform; the cleaning piece is arranged at one end of the sliding sleeve close to the discharging head, and is slidably connected to the discharging head.

[0014] Preferably, the molding component further comprises a residual material filter plate; the residual material filter plate is arranged on the rotating frame and is located at an end of the lower mold away from the loading component.

[0015] The method of using the present invention is as follows:

[0016] S1, the mounting frame rotates on the frame so that the lower mold is located below the loading part;

[0017] S2, the feeding component works, and the pulp reaches the lower mold; the sliding table is subjected to the gravity of the pulp, squeezing the spring; the maximum value of the elastic deformation of the spring is preset so that the maximum value of the elastic deformation of the spring corresponds to the gravity of the maximum amount of formed pulp; after the spring elastic deformation reaches the maximum value, the elastic deformation sensor sends a signal value controller, thereby turning off the discharge pump and stopping the discharge;

[0018] S3, the mounting frame rotates on the frame, so that the lower mold holding the pulp is located below the die-forward component; the die-forward lifting platform works, so that the upper mold enters the sliding platform, and the clamping block is clamped with the clamping slot;

[0019] S4, the rotating frame drives the upper mold and the lower mold to rotate on the mounting frame, and the mounting frame drives the upper mold and the lower mold to be located below the drying component to perform molding and drying;

[0020] S5. After drying, the mounting frame rotates on the frame so that the upper mold and the lower mold are located below the demoulding component; the demoulding lifting platform works, and the demoulding claws move away the upper mold; the separation claws take off the molded pulp, and the material is discharged;

[0021] S6, the mounting frame is reset to proceed to the next molding cycle.

[0022] Compared with the prior art, the above technical solution of the present invention has the following beneficial technical effects:

[0023] First, by setting the forming components, the mounting frame is used to drive the multiple forming components to rotate relative to the frame, so that each forming component passes through the feeding component, the die feeding component, the drying component and the die discharging component respectively, thereby improving the working efficiency and the pulp forming efficiency of the present invention; realizing the integrated assembly line setting from feeding to die pressing and drying; by rotating the rotating frame on the mounting frame, the pulp between the upper mold and the lower mold is prevented from being delaminated, and the clamping state between the upper mold and the lower mold is adjusted by the clamping of the clamping block and the clamping groove, so as to avoid the upper mold and the lower mold being pressed too tightly, resulting in the pressing damage of the pulp in the drying and forming state;

[0024] Second, by setting a feeding component and a drying component, the operation of the discharge pump is controlled by using an elastic deformation sensor and a controller, so that the maximum elastic deformation of the spring corresponds to the gravity of the maximum amount of formed pulp, thereby achieving accurate control of the pulp feeding amount; setting a drying component improves the forming effect of the upper mold and the lower mold on the pulp, and further improves the working efficiency of the present invention;

[0025] 3. By setting the die-in component and the die-out component, the die-in lifting platform is adjusted by the first slide rail to realize the automatic die-in of the present invention; the die-out lifting platform is adjusted by the second slide rail to realize the automatic die-out of the present invention, and the separation claw is used to separate the molding material from the lower mold. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 This is a first cross-sectional view of a compression-resistant and delamination-resistant bobbin pulp material forming device proposed by the present invention.

[0027] Figure 2 This is a second cross-sectional view of the compression-resistant and delamination-resistant tube pulp material forming equipment proposed by the present invention.

[0028] Figure 3 The present invention provides a schematic structural diagram of molding components in a compression-resistant and delamination-resistant bobbin pulp molding device.

[0029] Figure 4 This is a third cross-sectional view of the compression-resistant and delamination-resistant tube pulp material forming device proposed by the present invention.

[0030] Figure 5 for Figure 1 A partial enlarged view of point A in the middle.

[0031] Figure 6 for Figure 1 A partial enlarged view of point B in the middle.

[0032] Figure 7 for Figure 1 A partial enlarged view of point C in the middle.

[0033] Figure 8 This is a schematic structural diagram of a cleaning component in a compression-resistant and delamination-resistant bobbin pulp material forming device proposed by the present invention.

[0034] Reference numerals: 1, frame; 2, molding component; 3, loading component; 4, drying component; 5, die-feeding component; 6, die-discharging component; 7, cleaning component; 8, mounting frame; 9, rotating frame; 10, sliding table; 11, guide rod; 12, spring; 13, elastic deformation sensor; 14, lower mold; 15, residual material filter plate; 16, upper mold; 17, card slot; 18, card block; 19, discharge table; 20, electric push rod ; 21. Pulp tank; 22. Stirring assembly; 23. Discharge pump; 24. Controller; 25. Pulp pipe; 26. Discharge head; 27. Cleaning assembly; 28. Cleaning lifting platform; 29. ​​Sliding sleeve; 30. Cleaning part; 31. First slide rail; 32. Die feed lifting platform; 33. Die feed claw; 34. Second slide rail; 35. Die ejection lifting platform; 36. Die ejection claw; 37. Separation claw; 38. Cleaning roller; 39. Residual material tray. DETAILED DESCRIPTION

[0035] In order to make the purpose, technical scheme and advantages of the present invention clearer, the present invention is further described in detail below in conjunction with specific embodiments and with reference to the accompanying drawings. It should be understood that these descriptions are only exemplary and are not intended to limit the scope of the present invention. In addition, in the following description, the description of well-known structures and technologies is omitted to avoid unnecessary confusion of the concept of the present invention.

[0036] like Figure 1-8As shown, a compression-resistant and delamination-proof bobbin pulp molding device proposed by the present invention comprises a frame 1, a molding component 2, a feeding component 3, a drying component 4, a die-feeding component 5 and a die-outing component 6; the molding component 2, the feeding component 3, the drying component 4, the die-feeding component 5 and the die-outing component 6 are arranged on the frame 1; the feeding component 3, the drying component 4, the die-feeding component 5 and the die-outing component 6 are arranged above the molding component 2; the feeding component 3 and the die-feeding component 5 are arranged at the die-feeding end of the frame 1; the drying component 4 and the die-outing component 6 are arranged at the die-outing end of the frame 1; the molding component 2 comprises a mounting frame 8 and a plurality of molding components; the mounting frame 8 is rotatably arranged on the frame 1; the plurality of molding components are arranged on the mounting frame 8, and each molding component comprises a rotating frame 9, a sliding table 10, a guide rod 11, a spring 12, an upper mold 16 and a lower mold 14 ; The rotating frame 9 is rotatably arranged on the mounting frame 8; the guide rod 11 is arranged on the rotating frame 9; the sliding table 10 is slidably arranged on the guide rod 11 and is slidably connected to the rotating frame 9; the lower mold 14 is arranged on the sliding table 10, and a card slot 17 is arranged on the lower mold 14; the spring 12 is slidably sleeved on the guide rod 11, one end of the spring 12 is connected to the sliding table 10, and the other end is connected to the end of the rotating frame 9 away from the lower mold 14; the upper mold 16 is arranged on the die feed component 5, and the upper mold 16 is arranged corresponding to the lower mold 14, and a card block 18 corresponding to the card slot 17 is arranged on it; the feeding component 3 includes a discharge table 19, a pulp tank 21 and a discharge head 26; the discharge table 19 is arranged on the frame 1; the discharge head 26 is connected to the pulp tank 21, and the discharge head 26 is arranged on the discharge table 19 at one end close to the forming component 2.

[0037] In an optional embodiment, a cleaning component 7 is provided on the frame 1; the cleaning component 7 includes a cleaning roller 38 and a residual material tray 39; the residual material tray 39 is arranged below the forming component 2; the cleaning roller 38 is rotatably arranged on the frame 1 and is rotatably connected to the residual material tray 39; the cleaning component 7 is provided to clean the residual pulp on the frame 1, thereby improving the service life of the present invention.

[0038] In an optional embodiment, the loading component 3 also includes an electric push rod 20, a stirring assembly 22, a discharge pump 23, a pulp pipe 25 and a cleaning assembly 27; the electric push rod 20 is arranged between the frame 1 and the discharge platform 19; the stirring assembly 22 is arranged on the pulp tank 21; the discharge pump 23 is connected to the discharge end of the pulp tank 21; the two ends of the pulp pipe 25 are respectively connected to the discharge head 26 and the pulp tank 21; the cleaning assembly 27 is arranged on the discharge platform 19 and is slidably connected to the discharge head 26; the stirring assembly 22 is arranged to prevent stratification of the material in the pulp tank 21.

[0039] In an optional embodiment, the die component 5 includes a first slide rail 31, a die lifting platform 32 and a die claw 33; the first slide rail 31 is set on the frame 1; the die lifting platform 32 is slidably connected to the first slide rail 31; the die claw 33 is set at one end of the die lifting platform 32 close to the molding component 2.

[0040] In an optional embodiment, the demolding component 6 includes a second slide rail 34, a demolding lifting platform 35, a demolding claw 36 and a separation claw 37; the second slide rail 34 is arranged on the frame 1; the demolding lifting platform 35 is arranged on the second slide rail 34; the demolding claw 36 and the separation claw 37 are arranged at one end of the demolding lifting platform 35 close to the molding component 2.

[0041] In an optional embodiment, the spring 12 is communicatively connected to an elastic deformation sensor 13; the feeding component 3 includes a controller 24; the controller 24 is communicatively connected to the discharge pump 23 and the elastic deformation sensor 13; the elastic deformation sensor 13 is used to preset the maximum elastic deformation value of the spring 12, so that the maximum elastic deformation value of the spring 12 corresponds to the gravity of the maximum amount of formed pulp; after the spring 12 is elastically deformed to the maximum value, the elastic deformation sensor 13 sends a signal value to the controller 24, thereby closing the discharge pump 23 and stopping the discharge.

[0042] In an optional embodiment, the cleaning assembly 27 includes a cleaning lifting platform 28, a sliding sleeve 29 and a cleaning piece 30; the cleaning lifting platform 28 is arranged on the discharge platform 19; the sliding sleeves 29 are arranged in multiple groups, and the multiple groups of sliding sleeves 29 are slidably connected to the discharge platform 19 under the drive of the cleaning lifting platform 28; the cleaning piece 30 is arranged at one end of the sliding sleeve 29 close to the discharge head 26, and is slidably connected to the discharge head 26.

[0043] In an optional embodiment, the molding component 2 also includes a residual material filter plate 15; the residual material filter plate 15 is arranged on the rotating frame 9 and is located at one end of the lower mold 14 away from the loading component 3; the residual material filter plate 15 is arranged to filter and recover the excess pulp generated between the lower mold 14 and the upper mold 16, so that the pulp flows into the cleaning component 7.

[0044] The method of using the present invention is as follows: the mounting frame 8 rotates on the frame 1, so that the lower mold 14 is located below the feeding part 3; the feeding part 3 works, and the pulp reaches the lower mold 14; the sliding table 10 is subjected to the gravity of the pulp and squeezes the spring 12; the maximum value of the elastic deformation of the spring 12 is preset, so that the maximum value of the elastic deformation of the spring 12 corresponds to the gravity of the maximum amount of the formed pulp; after the spring 12 elastically deforms to the maximum value, the elastic deformation sensor 13 sends a signal value controller 24, thereby turning off the discharge pump 23 and stopping the discharge; the mounting frame 8 rotates on the frame 1, so that the lower mold 14 receiving the pulp is located at the feed part The mold advancing lifting platform 32 works to make the upper mold 16 enter the sliding platform 10, and the clamping block 18 is clamped with the clamping groove 17; the rotating frame 9 drives the upper mold 16 and the lower mold 14 to rotate on the mounting frame 8, and the mounting frame 8 drives the upper mold 16 and the lower mold 14 to be located below the drying component 4 for molding and drying; after drying, the mounting frame 8 rotates on the frame 1 to make the upper mold 16 and the lower mold 14 be located below the ejecting component 6; the ejecting lifting platform 35 works, and the ejecting claw 36 removes the upper mold 16; the separating claw 37 removes the molded pulp to complete the ejection; the mounting frame 8 is reset to carry out the next molding cycle.

[0045] It should be understood that the above specific embodiments of the present invention are only used to illustrate or explain the principles of the present invention, and do not constitute a limitation of the present invention. Therefore, any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. In addition, the appended claims of the present invention are intended to cover all changes and modifications that fall within the scope and boundaries of the appended claims, or the equivalent forms of such scope and boundaries.

Claims

1. A compression-resistant and anti-stratification bobbin pulp forming device, characterized in that: The invention comprises a frame (1), a molding component (2), a feeding component (3), a drying component (4), a mold feed component (5) and a mold ejection component (6); the molding component (2), the feeding component (3), the drying component (4), the mold feed component (5) and the mold ejection component (6) are arranged on the frame (1); the feeding component (3), the drying component (4), the mold feed component (5) and the mold ejection component (6) are arranged above the molding component (2); the feeding component (3) and the mold feed component (5) are arranged at the mold feed end of the frame (1); the drying component (4) and the mold ejection component (6) are arranged at the mold ejection end of the frame (1); The molding component (2) comprises a mounting frame (8) and a plurality of molding components; the mounting frame (8) is rotatably mounted on the frame (1); the plurality of molding components are mounted on the mounting frame (8), each molding component comprising a rotating frame (9), a sliding table (10), a guide rod (11), a spring (12), an upper mold (16) and a lower mold (14); the rotating frame (9) is rotatably mounted on the mounting frame (8); the guide rod (11) is mounted on the rotating frame (9); the sliding table (10) is slidably mounted on the guide rod (11) and is rotatably mounted on the rotating frame (8); The movable frame (9) is slidably connected; the lower mold (14) is arranged on the sliding platform (10), and a clamping groove (17) is arranged on the lower mold (14); the spring (12) is slidably sleeved on the guide rod (11), one end of the spring (12) is connected to the sliding platform (10), and the other end is connected to an end of the rotating frame (9) away from the lower mold (14); the upper mold (16) is arranged on the die feed component (5), the upper mold (16) is arranged corresponding to the lower mold (14), and a clamping block (18) corresponding to the clamping groove (17) is arranged on the upper mold (16); The feeding component (3) comprises a discharge platform (19), a pulp tank (21) and a discharge head (26); the discharge platform (19) is arranged on the frame (1); the discharge head (26) is connected to the pulp tank (21), and the discharge head (26) is arranged at one end of the discharge platform (19) close to the forming component (2); The die-forwarding component (5) comprises a first slide rail (31), a die-forwarding lifting platform (32) and a die-forwarding claw (33); the first slide rail (31) is arranged on the frame (1); the die-forwarding lifting platform (32) is slidably connected to the first slide rail (31); the die-forwarding claw (33) is arranged at one end of the die-forwarding lifting platform (32) close to the molding component (2); The demoulding component (6) comprises a second slide rail (34), a demoulding lifting platform (35), a demoulding claw (36) and a separation claw (37); the second slide rail (34) is arranged on the frame (1); the demoulding lifting platform (35) is arranged on the second slide rail (34); the demoulding claw (36) and the separation claw (37) are arranged at one end of the demoulding lifting platform (35) close to the molding component (2).

2. The compression-resistant and anti-delamination bobbin pulp forming equipment according to claim 1, characterized in that: A cleaning component (7) is arranged on the frame (1); the cleaning component (7) comprises a cleaning roller (38) and a residual material tray (39); the residual material tray (39) is arranged below the forming component (2); the cleaning roller (38) is rotatably arranged on the frame (1) and is rotatably connected to the residual material tray (39).

3. The compression-resistant and delamination-resistant bobbin pulp forming equipment according to claim 1, characterized in that: The feeding component (3) further comprises an electric push rod (20), a stirring assembly (22), a discharging pump (23), a pulp pipe (25) and a cleaning assembly (27); the electric push rod (20) is arranged between the frame (1) and the discharging platform (19); the stirring assembly (22) is arranged on the pulp tank (21); the discharging pump (23) is arranged in communication with the discharging end of the pulp tank (21); the two ends of the pulp pipe (25) are arranged in communication with the discharging head (26) and the pulp tank (21) respectively; the cleaning assembly (27) is arranged on the discharging platform (19) and is slidably connected with the discharging head (26).

4. The compression-resistant and delamination-resistant bobbin pulp forming equipment according to claim 3 is characterized in that: The spring (12) is communicatively connected to an elastic deformation sensor (13); the feeding component (3) comprises a controller (24); and the controller (24) is communicatively connected to a discharge pump (23) and the elastic deformation sensor (13).

5. The compression-resistant and delamination-resistant bobbin pulp forming equipment according to claim 3, characterized in that: The cleaning assembly (27) comprises a cleaning lifting platform (28), a sliding sleeve (29) and a cleaning member (30); the cleaning lifting platform (28) is arranged on the discharge platform (19); a plurality of sliding sleeves (29) are arranged, and the plurality of sliding sleeves (29) are slidably connected to the discharge platform (19) under the drive of the cleaning lifting platform (28); the cleaning member (30) is arranged at one end of the sliding sleeve (29) close to the discharge head (26), and is slidably connected to the discharge head (26).

6. The compression-resistant and delamination-resistant bobbin pulp forming equipment according to claim 1, characterized in that: The molding component (2) further comprises a residual material filtering plate (15); the residual material filtering plate (15) is arranged on the rotating frame (9) and is located at an end of the lower mold (14) away from the loading component (3).

7. The compression-resistant and delamination-resistant bobbin pulp forming equipment according to claim 4, characterized in that: Here’s how to use it: S1, the mounting frame (8) rotates on the frame (1) so that the lower mold (14) is located below the loading component (3); S2, the feeding component (3) works, and the pulp reaches the lower mold (14); the sliding table (10) is subjected to the gravity of the pulp and squeezes the spring (12); the maximum value of the elastic deformation of the spring (12) is preset so that the maximum value of the elastic deformation of the spring (12) corresponds to the gravity of the maximum amount of molded pulp; after the spring (12) elastically deforms to the maximum value, the elastic deformation sensor (13) sends a signal value to the controller (24), thereby closing the discharge pump (23) and stopping the discharge; S3, the mounting frame (8) rotates on the frame (1) so that the lower mold (14) receiving the pulp is located below the die-entering component (5); the die-entering lifting platform (32) operates so that the upper mold (16) enters the sliding platform (10), and the clamping block (18) is clamped with the clamping groove (17); S4, the rotating frame (9) drives the upper mold (16) and the lower mold (14) to rotate on the mounting frame (8), and the mounting frame (8) drives the upper mold (16) and the lower mold (14) to be located below the drying component (4) to perform molding and drying; S5. After drying is completed, the mounting frame (8) rotates on the frame (1) so that the upper mold (16) and the lower mold (14) are located below the demoulding component (6); the demoulding lifting platform (35) works, and the demoulding claw (36) moves away from the upper mold (16); the separation claw (37) takes off the molded pulp, and the material is discharged; S6, the mounting frame (8) is reset and the next molding cycle is carried out.

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