Environment-friendly meal box production equipment based on degradable materials

Abstract

The invention discloses environment-friendly meal box production equipment based on degradable materials. In order to solve the problems that a large amount of water is used and waste liquid is generated in the pulping process, a straw fiber pulp board original state direct pressing type forming mode is adopted, the straw fiber pulp board is not subjected to smashing pulping treatment and does not use any chemical solution, and the pulp board is subjected to wetting treatment according to the requirement of a hot pressing forming procedure for the water content of the pulp board; the water yield of equipment is controlled when the pulp board is wetted, the processing time is saved, and no waste liquid is generated; aiming at the problem that the flowability of a straw fiber pulp board is poor when the straw fiber pulp board is directly pressed, 1) the pulp board is wetted and sprayed with a starch solution to enhance the flowability of fibers, 2) the pulp board is cut to avoid wrinkles at the bent position of the side face of the pulp board during forming, and 3) pulp supplementing and pneumatic demolding treatment are conducted in the meal box hot pressing process to promote connection forming at the cut position, so that the meal box is formed. Defects generated during lunch box forming can be reduced, and the situation that demolding is incomplete when the pulp plate is adhered to the lower mold core can be avoided through pneumatic demolding.

Description

Technical Field

[0001] The present invention relates to the technical field of degradable lunch box production, and specifically to an environmentally friendly lunch box production device based on degradable materials. Background Art

[0002] At present, the recycling rates of plastic bags and plastic lunch boxes in China are very low. In daily life and industrial production, disposable utensils cause extremely serious landscape pollution and environmental pollution. Therefore, the research on degradable lunch box tableware has gradually been put on the agenda. In recent years, various types of degradable tableware have emerged on the market: paperboard laminated tableware, degradable plastic tableware, plant fiber tableware, starch tableware, and pulp molded tableware.

[0003] Straw fiber is rich in reserves in nature and is a renewable biological polymer resource. However, the methods of burning and burying straw not only cause great waste of resources, but also trigger a series of environmental problems such as air pollution and soil structure damage. With the development of technology, straw shows great potential in material preparation.

[0004] As a natural polysaccharide, starch plays a unique role in the processing of straw fiber by virtue of its good film-forming property and adhesiveness. After spraying the starch solution onto the straw fiber pulp board, on the one hand, it can significantly increase the lubricity of the fiber and promote the smooth progress of the forming process; on the other hand, as the water evaporates, the starch will form a film, effectively bonding the fibers, thereby greatly improving the strength and stability of the product.

[0005] In the production of starch-based lunch boxes, there is a lack of a simple and complete production device. Moreover, in the stamping and forming process, only its own viscosity is relied on for connection at the four corners, and the stability of the connection structure is poor, which is difficult to meet the actual use requirements. In addition, during the demolding process, the integrity of the four corners of the lunch box cannot be guaranteed during demolding, and the four corners of the lunch box are easily adhered to the forming machine, seriously affecting the production efficiency and product quality. Summary of the Invention

[0006] The purpose of the present invention is to provide an environmentally friendly lunch box production device based on degradable materials, so as to solve the problems raised in the above background art.

[0007] To achieve the above purpose, the present invention provides the following technical solution: An environmentally friendly lunch box production device based on degradable materials, including a machine body, and further including a cutting component, a wetting component, and a slurry replenishing and demolding component; A sliding frame with cutting upper notches at its four corners is slidably installed on the machine body; The wetting component includes: a microporous plate, a conical diffusion frame, a microporous plate frame, and an atomizing nozzle. A microporous plate frame with a microporous plate and a conical diffusion frame fixed thereon is provided on the machine body, and an atomizing nozzle is arranged above the microporous plate frame; The cutting component includes: a cutting frame, a V-shaped cutter, a cutting base fixed with the cutting frame on the machine body, a lower pressing plate arranged above the cutting frame and capable of contacting it and having a V-shaped cutter arranged thereon, and a cutting lower notch corresponding to the cutting upper notch and the V-shaped cutter arranged on the cutting frame; A lower die core is fixedly arranged on the machine body, and a punch capable of moving towards the lower die core and fixedly connected with a screw rod is arranged above the lower die core; The slurry replenishing and demolding component is arranged in the lower die core, and it includes: a rotating frame, a starch piston cylinder, a pneumatic piston cylinder, a first wedge block and a second wedge block. An outer shell body with the rotating frame rotatably arranged therein is fixedly arranged in the lower die core. The starch piston cylinder and the pneumatic piston cylinder are respectively fixedly arranged on the upper and lower surfaces of the rotating frame. A screw ring capable of being screwed with the screw rod is fixedly arranged in the middle of the rotating frame. An upper wedge ring and a lower wedge ring capable of respectively contacting the first wedge block and the second wedge block fixed on the starch piston rod and the pneumatic piston rod are fixedly arranged on the screw rod.

[0008] Preferably, a lifting outer shell with a first driving motor arranged therein is fixedly connected to one side of the machine body. The output shaft of the first driving motor is fixedly connected with a first lead screw screwed with a lead screw slider. The lead screw slider is longitudinally slidably installed on a limiting rod and is fixedly connected with a moving plate slidably installed in the lifting outer shell.

[0009] Preferably, a rotating rod with mounting plates fixedly arranged at both ends is rotatably installed on the machine body. A vacuum pump fixedly connected with a suction cylinder is fixedly arranged on the mounting plate, and a vacuum chuck is fixedly connected to one end of the vacuum pump.

[0010] Preferably, a second driving motor is fixedly arranged on the machine body. The output shaft of the second driving motor is fixedly connected with a second lead screw screwed with a sliding frame. The sliding frame is slidably installed on a sliding bottom block, and the sliding bottom block is fixedly arranged on the machine body.

[0011] Preferably, the microplate rack and the water inlet at the lower end of the atomizing nozzle are respectively fixedly connected with a first water pump and a second water pump. The first water pump and the second water pump are fixedly arranged in the machine body.

[0012] Preferably, one end of a cutting cylinder is fixedly connected to the center position of the upper surface of the lower pressing plate. The cutting cylinder is fixedly arranged on the machine body. A V-shaped cutter corresponding to the cutting upper notch is respectively fixedly arranged at the four corners of the lower pressing plate, and a cutting lower notch corresponding to the cutting upper notch and the V-shaped cutter is arranged at the four corners of the cutting frame.

[0013] Preferably, a polymerization plate and a waste bin are fixedly arranged below the cutting frame. The polymerization plate and the waste bin are fixedly arranged on the machine body, and the polymerization plate is located above the waste bin.

[0014] Preferably, one end of the ejector rod is fixedly connected to the lower end of the top block, the other end of the ejector rod passes through the cross plate slidably mounted on the machine body and is slidably connected to the fixed plate, one end of the first spring is fixedly connected to the lower surface of the cross plate, the other end of the first spring is fixedly connected to the fixed plate, and the first spring is sleeved on the surface of the ejector rod.

[0015] Preferably, the upper mounting plate is fixedly connected to the machine body. Four corners of the upper mounting plate are respectively slidably connected with a guide rail, the other end of the guide rail is fixedly connected to the punch, the guide rail is sleeved with a second spring, and both ends of the second spring are fixedly connected to the upper mounting plate and the guide rail respectively. The middle part of the lower surface of the upper mounting plate is fixedly connected with a stamping cylinder, the output end of the stamping cylinder is fixedly connected to the upper surface of the punch, and a spraying cavity is fixedly arranged on the surface of the outer shell. There are four outer shells, which are respectively arranged at the four corners of the lower die.

[0016] Preferably, the starch piston rod and the pneumatic piston rod are respectively in contact with the inner surfaces of the starch piston cylinder and the pneumatic piston cylinder. The starch piston rod and the pneumatic piston rod are slidably mounted on the rotating frame, and are respectively fixedly connected to the first wedge block and the second wedge block.

[0017] Compared with the prior art, the beneficial effects of the present invention are as follows: (1) By setting a mechanism for cutting the four corners of the straw fiber pulp board with a cutting component in this device, when the sliding frame moves, the straw fiber pulp board is moved above the cutting base, and the lower pressing plate drives the V-shaped cutter to cut the materials at the four corners of the straw fiber pulp board, so as to cut the straw fiber pulp board, avoid wrinkles at the side bending parts of the straw fiber pulp board during forming, and realize the adhesion of the four corners during the subsequent hot pressing forming of the straw fiber pulp board.

[0018] (2) The present invention adopts the original state direct pressing forming method for the straw fiber pulp board, without using any chemical solution to treat the straw fiber pulp board. By setting a wetting component to treat the straw fiber pulp board, the straw fiber pulp board is hot pressed and formed in its original state, avoiding harm to the human body caused by chemical residues. The sliding frame drives the straw fiber pulp board to move onto the microporous board. The water in the microporous board frame reaches the microporous board through the conical diffusion frame and contacts the lower surface of the straw fiber pulp board. At the same time, the atomizing nozzle sprays the starch solution onto the upper surface of the straw fiber pulp board to enhance the fiber binding force, making the structure of the straw fiber pulp board wet to enhance the binding force and adhesion between the fibers of the straw fiber pulp board, facilitating the subsequent hot pressing forming of the straw fiber pulp board.

[0019] (3) By setting a slurry replenishment and demolding component in this invention, slurry replenishment and pneumatic demolding treatment are carried out during the hot pressing process of the lunch box, which can promote the connection and forming at the cut parts of the pulp board, reduce the defects generated during the forming of the lunch box, improve its adhesion strength by spraying the starch solution at the four corners of the lunch box, and avoid the situation that the straw fiber pulp board adheres to the lower die and causes incomplete demolding through pneumatic demolding.

[0020] The straw fiber pulp board is carried to the lower die insert by the sliding frame, and the punch extends into the lower die insert to extrude and form the straw fiber pulp board. The four corners are cut, causing the four sides to bend into a lunch box, forming sticky connection points. When the punch presses down, the screw drives the screw ring to rotate the rotating frame to swap the positions of the starch and the pneumatic piston cylinder. After the screw disengages from the screw ring, the upper wedge ring pushes the first wedge block to push out the starch solution from the piston cylinder to replenish the slurry, improving the stickiness at the four corners. When the punch moves upward, the punch drives the screw to move upward. The thread on the screw engages with the screw ring again, and the pneumatic piston cylinder on the rotating frame moves to a position close to the spray cavity. The lower wedge ring contacts the second wedge block, and the second wedge block pushes the pneumatic piston rod to move inside the pneumatic piston cylinder, pushing the air inside the pneumatic piston cylinder out through the spray cavity and blowing the air to the four corners of the lunch box. Through the blowing action of the air flow, it assists in the demolding of the lunch box and prevents incomplete demolding of the lunch box. Description of the Drawings

[0021] Figure 1 It is a schematic structural diagram of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 2 It is a schematic structural diagram of the lifting outer shell of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 3 It is a schematic structural diagram of the rotating rod of an environmentally friendly lunch box production device based on degradable materials according to the present invention. The body is removed in this figure; Figure 4 It is a schematic structural diagram of another angle of an environmentally friendly lunch box production device based on degradable materials according to the present invention, mainly showing the structure of the sliding frame; Figure 5 It is a schematic structural diagram of the sliding frame of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 6 It is a schematic structural diagram of the microporous plate frame and the conical diffusion frame of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 7 It is a schematic front view structural diagram of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 8 It is a schematic structural diagram of the outer shell of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 9 It is a schematic structural diagram of the installation of the lower die insert and the outer shell of an environmentally friendly lunch box production device based on degradable materials according to the present invention. The top block is removed in this figure; Figure 10 It is a schematic structural diagram of the screw and the rotating frame of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 11Schematic diagram of the structure of the second wedge block of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 12 Schematic diagram of the structure of the first wedge block of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 13 For Figure 12 Enlarged view of part A; Figure 14 Schematic diagram of the structure of the driven sliding rod of an environmentally friendly lunch box production device based on degradable materials according to the present invention; Figure 15 Schematic diagram of the installation structure of the outer shell and the rotating frame of an environmentally friendly lunch box production device based on degradable materials according to the present invention.

[0022] In the figure: 101, lifting outer shell; 102, bottom bin; 103, first driving motor; 104, first lead screw; 105, limiting rod; 106, lead screw slider; 107, moving plate; 2, machine body; 301, third driving motor; 303, rotating rod; 304, mounting plate; 305, adsorption cylinder; 3051, vacuum pump; 306, vacuum chuck; 401, sliding bottom block; 402, sliding frame; 4021, strip-shaped notch; 403, second driving motor; 404, second lead screw; 405, cutting upper notch; 406, sliding rod; 501, microporous plate; 5011, first water pump; 502, conical diffusion frame; 503, microporous plate frame; 504, atomizing nozzle; 5041, second water pump; 601, cutting base; 6011, cutting frame; 602, lower pressing plate; 603, cutting cylinder; 604, V-shaped cutter; 605, cutting lower notch; 606, polymerization plate; 607, waste bin; 701, lower die core; 702, upper mounting plate; 703, punch; 704, stamping cylinder; 705, guide rail; 706, second spring; 707, top block; 708, cross plate; 7081, fixing plate; 709, ejector rod; 710, first spring; 712, outer shell; 7121, spray chamber; 801, screw; 802, upper wedge ring; 8021, lower wedge ring; 803, thread; 804, spiral ring; 806, rotating frame; 8061, pneumatic piston cylinder; 8062, starch piston cylinder; 807, starch piston rod; 8071, pneumatic piston rod; 808, driven connecting rod; 809, driven sliding rod; 8091, third spring; 8092, damping rod; 810, slide rail; 811, first wedge block; 8111, second wedge block; 812, limiting block; 813, material bin. Detailed implementation manners

[0023] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0024] Please refer to Figures 1-15 , to realize the forming of the original state direct pressing lunch box made of straw fiber pulp board, the present invention provides an environmentally friendly lunch box production device based on degradable materials, as Figure 1 , 2 shown, including a machine body 2. The machine body 2 can be placed on the ground. One side surface of the machine body 2 is fixedly connected to the surface of the lifting outer shell 101. The lifting outer shell 101 is a hollow cuboid. The lower end of the lifting outer shell 101 is fixedly connected to the bottom bin 102. The bottom bin 102 is used as a base and fixedly installs a first driving motor 103. The output shaft of the first driving motor 103 is fixedly connected to one end of the first lead screw 104. The other end of the first lead screw 104 is rotatably arranged on the lifting outer shell 101. By the first driving motor 103, the first lead screw 104 can be driven to rotate. The first lead screw 104 is threadedly connected to the lead screw slider 106. The lead screw slider 106 is slidably installed on the lifting outer shell 101. The lifting outer shell 101 is provided with a chute corresponding to the lead screw slider 106. When the first lead screw 104 rotates, it can drive the lead screw slider 106 to longitudinally move on the lifting outer shell 101 along the extension direction of the first lead screw 104 (shown in Figure 2 ); The lead screw slider 106 is slidably connected to the limiting rod 105. The limiting rod 105 is two cylindrical rods, which are respectively fixedly arranged on the lifting outer shell 101 and located on both sides of the lead screw slider 106. The limiting rod 105 can limit the position of the lead screw slider 106 and prevent the lead screw slider 106 from rotating. The lead screw slider 106 is fixedly connected to the moving plate 107. The moving plate 107 is slidably installed in the lifting outer shell 101. Straw fiber pulp board can be placed on the moving plate 107. When the lead screw slider 106 moves upward, it can drive the moving plate 107 to move in the same direction, and then drive the straw fiber pulp board thereon to move.

[0025] By the first driving motor 103, the first lead screw 104 can be driven to rotate. When the first lead screw 104 rotates, it can drive the lead screw slider 106 to longitudinally move on the lifting outer shell 101. When the lead screw slider 106 moves upward, it can drive the moving plate 107 to move in the same direction, and then drive the straw fiber pulp board thereon to move.

[0026] As Figure 3As shown, the rotating rod 303 is rotatably arranged on the machine body 2. The rotating rod 303 is located on one side of the lifting outer shell 101. The middle part of the rotating rod 303 is fixedly connected to the output end of the third driving motor 301. The third driving motor 301 is fixedly arranged on the machine body 2. The third driving motor 301 works intermittently. By driving of the third driving motor 301, the rotating rod 303 can be driven to rotate intermittently, that is, it pauses for about three seconds when rotating half a circle, so as to facilitate the subsequent work of the vacuum suction cup 306. Driving a rotating component to rotate intermittently by a driving motor and pausing for a predetermined time after rotating for a predetermined time belongs to the prior art. The horizontal position of the rotating rod 303 is higher than that of the lifting outer shell 101. Two mounting plates 304 are respectively fixedly connected to both ends of the rotating rod 303. An adsorption cylinder 305 is fixedly connected to the upper surface of each mounting plate 304. The adsorption cylinder 305 is fixedly connected to four vacuum pumps 3051. The output end of each vacuum pump 3051 is fixedly connected to a vacuum suction cup 306 through a pipeline. The vacuum suction cup 306 is arranged on the lower surface of the mounting plate 304. The vacuum suction cup 306 can be in contact connection with the upper surface of the straw fiber pulp board. By driving of the adsorption cylinder 305, the vacuum pumps 3051 and the vacuum suction cup 306 move. The vacuum pumps 3051 drive the vacuum suction cup 306 to work. When the vacuum suction cup 306 is in contact with the upper surface of the straw fiber pulp board, under the action of the vacuum pumps 3051, a negative pressure is formed inside the vacuum suction cup 306, and the vacuum suction cup 306 can adsorb the straw fiber pulp board. By driving the rotating rod 303 to rotate by the third driving motor 301, the positions of the mounting plates 304 at both ends of the rotating rod 303 are swapped. The end of the rotating rod 303 that has adsorbed the straw fiber pulp board is swapped with the end of the rotating rod 303 that has not adsorbed the straw fiber pulp board at the other end. After the position is swapped, under the action of the vacuum pumps 3051, air is inhaled into the vacuum suction cup 306 at the end of the rotating rod 303 that has adsorbed the straw fiber pulp board, so as to make the air pressure inside the vacuum suction cup 306 equal to the external air pressure, and then the vacuum suction cup 306 is disconnected from the adsorption connection with the straw fiber pulp board. At this time, the straw fiber pulp board will fall on the sliding frame 402, so as to realize the transportation of the straw fiber pulp board and the time-sharing adsorption of the vacuum suction cups 306 on the two mounting plates 304 to two adjacent straw fiber pulp boards.

[0027] As Figure 4 shown, the sliding bottom block 401 is fixedly arranged on the machine body 2. The sliding bottom block 401 is located on one side of the rotating rod 303. A chute is arranged on the sliding bottom block 401, and the sliding frame 402 is slidably installed in the chute. One end of the sliding frame 402 is screwed to the second lead screw 404. The other end of the sliding frame 402 is slidably installed on the sliding rod 406 (shown in Figure 1On the (middle), the overall shape of the sliding frame 402 is U-shaped. Strip-shaped notches 4021 corresponding to the screw rods 801 are provided on both sides of the sliding frame 402. By providing the strip-shaped notches 4021, interference between the subsequent sliding frame 402 and the screw rods 801 during movement can be avoided. The sliding rod 406 allows the sliding frame 402 to slide on the machine body 2 along the extension direction of the machine body 2. One end of the second lead screw 404 is fixedly connected to the second drive motor 403. The second lead screw 404 is rotatably arranged on the machine body 2, and the second drive motor 403 is fixedly arranged on the machine body 2. The second drive motor 403 can drive the second lead screw 404 to rotate. The rotation of the second lead screw 404 drives the sliding frame 402 to slide along the extension direction of the sliding rod 406, and the straw fiber pulp board on the sliding frame 402 moves accordingly. The sliding frame 402 and the straw fiber pulp board move onto the micro-hole plate 501.

[0028] The inside of the sliding frame 402 is hollow, and cutting upper notches 405 are provided at its four corners. The hollow structure inside the sliding frame 402 and the cutting upper notches 405 can facilitate subsequent operations such as wetting, cutting, and pressing of the straw fiber pulp board.

[0029] As Figures 4-6 shown, the micro-hole plate frame 503 is fixedly arranged on the machine body 2. The micro-hole plate frame 503 is located on one side of the sliding bottom block 401. The water inlet at the lower end of the micro-hole plate frame 503 is fixedly connected to the output end of the first water pump 5011. The first water pump 5011 is fixedly arranged inside the machine body 2. The input end of the first water pump 5011 is connected to the water storage tank, and the water storage tank is fixedly arranged inside the machine body 2. By setting the first water pump 5011, the inside of the micro-hole plate frame 503 can be filled with water. A conical diffusion frame 502 is fixedly arranged inside the micro-hole plate frame 503. The conical diffusion frame 502 has a gradually expanding cross-section from bottom to top. By setting the gradually expanding cross-section, the flow rate is reduced, so that the inflowing water can be fully buffered, and then evenly and slowly diverted to each micro-hole on the micro-hole plate 501, reducing the impact of the water flow on the straw fiber pulp board. The micro-hole plate 501 is fixedly arranged on the micro-hole plate frame 503. The micro-hole plate 501 is processed with micro-holes of the same diameter on the plate to construct a distributed micro-hole network. For the bent part of the straw fiber pulp board, by reducing the micro-hole spacing, the distribution density of the micro-holes is increased, the water output in this area is increased, the water content in this area is higher, the fluidity of the straw fiber in this area is improved, which is beneficial to the bending in this area. Grooves are provided around the micro-hole plate 501, and the grooves communicate with each other. An outlet is provided on one of the grooves. The unabsorbed water or starch solution flows into the water tank and flows out from the water tank outlet.

[0030] After the water in the microplate rack 503 is gradually filled, it will diffuse through the conical diffusion rack 502 to the microplate 501 and overflow upward from the micropores of the microplate 501. The water overflowing from the micropores of the microplate 501 contacts the lower surface of the straw fiber pulp board on the sliding rack 402. Since the dry straw fiber pulp board has poor fluidity and plasticity, and it can be softened after being wetted, during the hot pressing process, the fibers are more easily compressed and deformed, reducing problems such as unevenness or cracks on the surface of the lunch box caused by the stiffness of the fibers. Moreover, the specific heat capacity of water is relatively large, and the moisture can help the heat transfer more evenly to all parts of the straw fiber pulp board, making the overall heating of the straw fiber pulp board more uniform, thus ensuring the consistency of the hot pressing process and improving the quality stability of the lunch box.

[0031] Above the microplate rack 503, there is an atomizing nozzle 504, and the atomizing nozzle 504 is fixedly connected to the output end of the second water pump 5041 (shown in Figure 7 ). The second water pump 5041 is fixedly arranged in the machine body 2. The input end of the second water pump 5041 is fixedly connected to the starch solution tank (not shown in the drawings), and the starch solution tank is fixedly arranged in the machine body 2. Through the action of the second water pump 5041, the atomizing nozzle 504 can spray out the starch solution.

[0032] The atomizing nozzle 504 sprays the starch solution onto the upper surface of the straw fiber pulp board. The starch solution can act as a binder, helping to enhance the binding force between the fibers of the straw fiber pulp board. During the subsequent hot pressing process of the straw fiber pulp board, the starch is gelatinized by heat, which can better bond the fibers together, making the lunch box have a certain strength and stability. And the starch forms a coating on the surface of the straw fiber pulp board, which can fill the gaps between the fibers, reduce the surface roughness, make the surface of the hot-pressed lunch box more flat, and improve the appearance quality.

[0033] After completing the wetting process of the straw fiber pulp board, the straw fiber pulp board moves to the cutting rack 6011 under the driving action of the sliding rack 402.

[0034] As Figure 1 shown, the cutting base 601 is fixedly arranged on the machine body 2. The cutting base 601 is located on one side of the microplate rack 503. The cutting rack 6011 is fixedly arranged on the cutting base 601. At the four corners of the cutting rack 6011, there are cutting lower notches 605 corresponding to the cutting upper notches 405 and the V-shaped cutter 604. The angles and installation directions of the cutting upper notches 405 and the cutting lower notches 605 are the same. By setting the cutting upper notches 405 and the cutting lower notches 605, it is convenient for the subsequent V-shaped cutter 604 to cut the four corners of the straw fiber pulp board.

[0035] As Figure 1As shown in the figure, a lower pressing plate 602 is arranged above the cutting frame 6011. One end of a cutting cylinder 603 is fixedly connected to the center position of the upper surface of the lower pressing plate 602. The cutting cylinder 603 is fixedly arranged on the machine body 2. A V-shaped cutter 604 corresponding to the upper cutting notch 405 and the lower cutting notch 605 is respectively fixed at the four corners of the lower pressing plate 602. The installation position of the V-shaped cutter 604 corresponds to the positions of the upper cutting notch 405 and the lower cutting notch 605. A polymerization plate 606 and a waste bin 607 are fixedly arranged on the machine body 2. The polymerization plate 606 and the waste bin 607 are located below the cutting frame 6011, and the polymerization plate 606 is located above the waste bin 607. The polymerization plate 606 is trapezoidal in reverse, which can ensure that the cut corner materials fall into the waste bin 607.

[0036] The cutting cylinder 603 drives the lower pressing plate 602 to move downward to realize the movement of the V-shaped cutter 604. When the V-shaped cutter 604 contacts the straw fiber pulp board, under the continuous downward pressure of the cutting cylinder 603, the V-shaped cutter 604 cuts off the materials at the four corners of the straw fiber pulp board through the upper cutting notch 405 and the lower cutting notch 605. The cut materials fall into the waste bin 607 through the polymerization plate 606.

[0037] A preheating device is arranged in the cutting base 601. The preheating device uses an electric heating wire. The electric heating wire adopts existing technical components. By setting the electric heating wire, the straw fiber pulp board is preheated to promote the penetration and flow of the starch solution, which is convenient for the subsequent hot pressing and forming process.

[0038] As Figure 1 、 7 As shown in FIGS. -15, to realize the hot pressing and forming of the straw fiber pulp board, a lower die core 701 is fixedly arranged on the machine body 2. The lower die core 701 is located on one side of the cutting base 601. Water inlets and outlets are respectively arranged on both sides of the lower die core 701. A communicating water pipe is arranged inside the lower die core 701 itself. The two ends of the communicating water pipe are connected to the water inlet and the water outlet. The water inlet is connected to a water pump. The water pump is arranged in a water tank. The water outlet is connected to the water tank. Through the arrangement of the water inlet and the water outlet, the water in the water tank can enter the communicating water pipe in the lower die core 701, thereby realizing the cooling of the lower die core 701 and avoiding the premature denaturation of the starch solution in the spraying cavity 7121 due to high temperature, which may block the spraying cavity 7121; A top block 707 is arranged in the middle of the lower die core 701 (shown in Figure 4 ), and the top block 707 can demold the straw fiber pulp board that has completed the hot pressing and forming. The lower end of the top block 707 is fixedly connected to a top rod 709 (shown in Figure 7One end of the ejector rod 709 passes through the cross plate 708 and is fixedly connected to the cross plate 708. The cross plate 708 is slidably mounted on the machine body 2. One end of the ejector rod 709 passing through the cross plate 708 is slidably connected to the fixing plate 7081. The fixing plate 7081 is fixedly arranged on the machine body 2 and is located below the cross plate 708. One end of the first spring 710 is fixedly connected to the lower surface of the cross plate 708, and the other end of the first spring 710 is fixedly connected to the fixing plate 7081. The first spring 710 is sleeved on the surface of the ejector rod 709. The sliding frame 402 drives the straw fiber pulp board to move onto the lower die 701. The screw 801 is inserted into the strip-shaped notch 4021. When the pressing part of the punch 703 extends into the lower die 701 and performs hot pressing on the straw fiber pulp board, the ejector block 707 in the lower die 701 moves downward under the pressure of the punch 703. The ejector block 707 drives the cross plate 708 to move downward through the ejector rod 709 and compresses the first spring 710. After the pressing is completed, the reset force generated by the compression of the first spring 710 is used to push the ejector block 707 to move in the reverse direction. When the ejector block 707 moves, it contacts the meal box that has completed the pressing and applies a thrust to it, thereby ejecting the meal box that has completed the pressing out of the lower die 701 (shown in Figure 7 ).

[0039] An upper mounting plate 702 is fixedly arranged on the machine body 2. The upper mounting plate 702 is located above the lower die 701. Four corners of the upper mounting plate 702 are respectively slidably connected to a guide rail 705. The other end of the guide rail 705 is fixedly connected to the punch 703. A second spring 706 is sleeved on the surface of the guide rail 705. By arranging the guide rail 705, the movement track of the punch 703 can be ensured, and it is ensured that the punch 703 enters the lower die 701. The upper end of the second spring 706 is fixedly connected to the guide rail 705, and the lower end is fixedly connected to the upper mounting plate 702. By arranging the second spring 706 and using the reset force after its elongation to assist the punching cylinder 704, the reset of the punch 703 after the pressing is completed is realized. The middle part of the lower surface of the upper mounting plate 702 is fixedly connected to the punching cylinder 704. The output end of the punching cylinder 704 is fixedly connected to the upper surface of the punch 703. The punching cylinder 704 can drive the punch 703 to move longitudinally. When the punch 703 moves downward, the guide rail 705 moves downward, and the second spring 706 is compressed under force. At this time, the straw fiber pulp board is placed on the lower die 701. When the working part of the punch 703 extends into the lower die 701, the punch 703 gradually contacts the upper surface of the straw fiber pulp board and applies pressure to the straw fiber pulp board. Under the action of the fixed model of the lower die 701, the punch 703 will gradually squeeze the straw fiber pulp board into a shape. Since the four corners of the straw fiber pulp board are cut off in the previous process, when the straw fiber pulp board is hot pressed, the four sides of it will be bent and gradually form a meal box, and the four cut-off corners will become the sticky connection points of the four sides of the meal box.

[0040] To improve the connection stability of the four corners of the lunch box and the stability during demolding, slurry filling and separating components are provided at the four corners of the lower mold core 701. The slurry filling and separating components include outer shells 712. One outer shell 712 is fixedly provided at each of the four corners of the lower mold core 701. A spraying cavity 7121 is fixedly provided on the surface of the outer shell 712. The spraying cavity 7121 is arc-shaped, and the arc structure corresponds to the radian of the four corners of the lunch box (shown in Figure 8 ).

[0041] A rotating frame 806 is rotatably arranged inside the outer shell 712 (shown in Figure 10 ). The rotating frame 806 can perform a rotating action relative to the outer shell 712. Starch piston cylinders 8062 and pneumatic piston cylinders 8061 are respectively fixedly provided at both ends of the rotating frame 806. The starch piston cylinders 8062 and the pneumatic piston cylinders 8061 are not in the same plane. The inner surfaces of the starch piston cylinders 8062 and the pneumatic piston cylinders 8061 are respectively in contact connection with starch piston rods 807 and pneumatic piston rods 8071. The starch piston rods 807 and the pneumatic piston rods 8071 are both slidably installed on the rotating frame 806. The starch piston rods 807 and the pneumatic piston rods 8071 can respectively push out the starch and air inside the starch piston cylinders 8062 and the pneumatic piston cylinders 8061. One end of a driven connecting rod 808 is respectively fixedly connected to the upper ends of the starch piston rods 807 and the pneumatic piston rods 8071. The driven connecting rods 808 on the starch piston rods 807 and the pneumatic piston rods 8071 are respectively located on one side of the rotating frame 806. The driven connecting rod 808 on the starch piston rod 807 is located on the upper surface of the rotating frame 806, and the driven connecting rod 808 on the pneumatic piston rod 8071 is located on the lower surface of the rotating frame 806. The other end of each driven connecting rod 808 is respectively fixedly connected to a driven sliding rod 809. The two driven sliding rods 809 are respectively slidably installed in two slide rails 810. The two slide rails 810 are fixedly provided on the rotating frame 806 and are located on both sides of the rotating frame 806. One side surface of each driven sliding rod 809 is respectively fixedly connected to one end of a third spring 8091 and a shock-absorbing rod 8092. The third spring 8091 is sleeved on the surface of the shock-absorbing rod 8092. The other ends of the two third springs 8091 and the shock-absorbing rod 8092 are respectively fixedly connected to the surfaces of two storage bins 813. The two storage bins 813 are respectively fixedly provided on both sides of the rotating frame 806. One storage bin 813 stores starch solution, and the other storage bin 813 is an empty storage bin. The starch piston cylinder 8062 is fixedly connected to a storage bin 813 storing starch solution through a one-way valve and is in communication with this storage bin 813. The pneumatic piston cylinder 8061 is fixedly connected to the other empty storage bin 813 through a one-way valve and is in communication with this storage bin 813. Through holes are provided on the surface of the empty storage bin 813. (Shown in Figure 12 , 13 ).

[0042] Two driven sliding rods 809 are respectively fixedly connected to the first wedge block 811 and the second wedge block 8111, and wedge surfaces are arranged on the surfaces of the first wedge block 811 and the second wedge block 8111. A screw ring 804 capable of being screwed with the screw rod 801 is fixedly arranged at the center of the rotating frame 806. There are four screw rods 801, one end of which is fixedly connected to the punch 703. The movement of the punch 703 drives the screw rods 801 to move in the same direction. Threads 803 are arranged on a part of the surface of the screw rod 801. When the screw rod 801 moves downward by a certain distance, the threads 803 on the surface of the screw rod 801 are screwed with the screw ring 804. The movement of the screw rod 801 can drive the screw ring 804 to rotate. When the screw rod 801 is screwed with and then disengaged from the screw ring 804, the screw ring 804 can be driven to rotate 180 degrees, that is, half a turn. The rotation of the screw ring 804 drives the rotating frame 806 to rotate, so as to realize the position exchange of the starch piston cylinder 8062 and the pneumatic piston cylinder 8061 at both ends of the rotating frame 806. After the positions of the starch piston cylinder 8062 and the pneumatic piston cylinder 8061 are exchanged, the starch piston cylinder 8062 moves to a position close to the spraying cavity 7121 (as Figure 15 shown). At this time, since the threads 803 on the screw rod 801 are disengaged from the screw ring 804, the rotating frame 806 stops rotating.

[0043] An upper wedge ring 802 and a lower wedge ring 8021 are coaxially and fixedly arranged on the screw rod 801. The upper wedge ring 802 and the lower wedge ring 8021 can be respectively in contact connection with the first wedge block 811 and the second wedge block 8111. The upper wedge ring 802 and the lower wedge ring 8021 have the same shape, and their installation directions are opposite. The upper wedge ring 802 and the lower wedge ring 8021 are respectively located on both sides of the thread 803. Inclined surfaces corresponding to the first wedge block 811 and the second wedge block 8111 are respectively arranged on the surfaces of the upper wedge ring 802 and the lower wedge ring 8021. When the screw rod 801 moves downward and when the threads 803 on the screw rod 801 are disengaged from the screw ring 804, the upper wedge ring 802 is in contact connection with the first wedge block 811. When the screw rod 801 moves downward and drives the upper wedge ring 802 to move downward, the first wedge block 811 is subjected to the extrusion force of the inclined surface of the upper wedge ring 802 and moves towards the direction close to the feed bin 813. The first wedge block 811 drives the driven sliding rod 809 to slide in the slide rail 810. The third spring 8091 and the shock absorber rod 8092 are compressed by the force. The driven sliding rod 809 drives the starch piston rod 807 to move in the same direction in the starch piston cylinder 8062, and the starch solution in the starch piston cylinder 8062 is pushed out of the starch piston cylinder 8062. The starch solution pushed out of the starch piston cylinder 8062 is sprayed to the cutting place of the straw fiber pulp board through the spraying cavity 7121 on the outer shell 712, and the starch solution performs a slurry replenishing treatment on the cutting place of the straw fiber pulp board to improve the adhesiveness of the four corners of the straw fiber pulp board.

[0044] After the die pressing of the lunch box is completed, the lunch box needs to be demolded. Since there may be residual starch solution at the four corners of the lunch box, the four corners of the lunch box may stick to the lower die insert 701. Therefore, when the punch 703 moves upward, it drives the screw rod 801 to move upward. The upper wedge ring 802 loses contact with the first wedge block 811. The thread 803 on the screw rod 801 resumes the meshing relationship with the screw ring 804. The third spring 8091 and the shock absorber rod 8092 reset and drive the starch piston rod 807 to move in the reverse direction. When the starch piston rod 807 moves in the reverse direction, it will draw the starch solution in the material bin 813 into the starch piston cylinder 8062 through the one-way valve for the next extrusion of the starch solution. Since the moving direction of the screw rod 801 is opposite, the rotation direction of the screw ring 804 is opposite. At this time, the rotating frame 806 rotates in the reverse direction.

[0045] When the rotating frame 806 rotates, the positions of the starch piston cylinders 8062 and the pneumatic piston cylinders 8061 at both ends of the rotating frame 806 are exchanged and restored to the starting position (when in the starting position, the pneumatic piston cylinder 8061 is located near the spraying cavity 7121). The pneumatic piston cylinder 8061 moves to near the spraying cavity 7121. As the screw rod 801 continues to rotate, the thread 803 on the screw rod 801 loses the meshing relationship with the screw ring 804. The lower wedge ring 8021 contacts the second wedge block 8111. The second wedge block 8111 moves toward the material bin 813 (this material bin 813 is an empty material bin) under the extrusion force. The second wedge block 8111 drives the driven slide rod 809 to slide in the slide rail 810. The driven slide rod 809 drives the pneumatic piston rod 8071 to move in the same direction in the pneumatic piston cylinder 8061, pushing the air in the pneumatic piston cylinder 8061 out of the pneumatic piston cylinder 8061 and pushing the air to the four corners of the lunch box through the spraying cavity 7121 on the outer housing 712. During this process, the pneumatic piston rod 8071 drives the third spring 8091 and the shock absorber rod 8092 to compress, assisting the demolding of the lunch box through the blowing action of the air flow, separating the four corners of the lunch box from the lower die insert 701 through the blowing action of the air flow, and preventing the incomplete demolding caused by the sticking of the four corners of the lunch box in the lower die insert 701 (shown in Figure 11 )

[0046] After the demolding of one lunch box is completed, the screw rod 801 moves downward simultaneously when the punch 703 continues to move downward, starting the slurry replenishment and demolding operation for the next lunch box. At this time, as the screw rod 801 moves downward, the lower wedge ring 8021 loses contact with the second wedge block 8111. The third spring 8091 and the shock absorber rod 8092 on the pneumatic piston rod 8071 reset and drive the pneumatic piston rod 8071 to reset. The pneumatic piston rod 8071 draws the air in the empty material bin into the pneumatic piston cylinder 8061.

[0047] A limiting block 812 that can be in surface contact connection with the side surface of the rotating frame 806 is fixedly arranged on the surfaces of the upper wedge-shaped ring 802 and the lower wedge-shaped ring 8021. When the screw 801 moves upward or downward and the upper wedge-shaped ring 802 and the lower wedge-shaped ring 8021 are respectively in contact with the first wedge-shaped block 811 and the second wedge-shaped block 8111, the limiting blocks 812 on the upper wedge-shaped ring 802 and the lower wedge-shaped ring 8021 are stuck on both sides of the rotating frame 806, preventing the rotating frame 806 from rotating freely.

[0048] A PLC controller is fixedly arranged on the machine body 2 in this embodiment, and the start / stop and working sequence of the first driving motor 103, the second driving motor 403, the third driving motor 301 and each cylinder are controlled by the PLC controller.

[0049] Working principle: First, place the straw fiber pulp board in the lifting outer shell 101, turn on the first driving motor 103. The first driving motor 103 can drive the first lead screw 104 to rotate. When the first lead screw 104 rotates, it can drive the lead screw slider 106 to move longitudinally on the lifting outer shell 101. When the lead screw slider 106 moves upward, it can drive the moving plate 107 to move in the same direction, thereby driving the straw fiber pulp board thereon to move.

[0050] As the straw fiber pulp board gradually moves upward, turn on the third driving motor 301, the adsorption cylinder 305 and the vacuum pump 3051 above the straw fiber pulp board. The third driving motor 301 drives the rotating rod 303 to rotate, and the adsorption cylinder 305 drives the vacuum pump 3051 and the vacuum chuck 306 to move downward. The vacuum pump 3051 drives the vacuum chuck 306 to work. When the vacuum chuck 306 contacts the upper surface of the straw fiber pulp board, under the action of the vacuum pump 3051, the vacuum chuck 306 can adsorb the straw fiber pulp board. The third driving motor 301 drives the rotating rod 303 to rotate to realize the position exchange of the mounting plates 304 at both ends of the rotating rod 303. The end of the rotating rod 303 that has adsorbed the straw fiber pulp board exchanges positions with the end of the rotating rod 303 that has not adsorbed the straw fiber pulp board at the other end. After the position is exchanged, the vacuum chuck 306 at one end of the rotating rod 303 that has adsorbed the straw fiber pulp board disconnects from the straw fiber pulp board under the action of the vacuum pump 3051. At this time, the straw fiber pulp board will fall on the sliding frame 402, thereby realizing the transportation of the straw fiber pulp board and the time-sharing adsorption of the vacuum chucks 306 on the two mounting plates 304 for adjacent two straw fiber pulp boards, so as to realize the position exchange of the mounting plates 304 at both ends of the rotating rod 303.

[0051] Rotated by the third drive motor 301, the straw fiber pulp board that has been disconnected from the adsorption connection with the vacuum suction cup 306 falls on the sliding frame 402. The switch of the second drive motor 403 is turned on, and the second drive motor 403 drives the second lead screw 404 to rotate. The rotation of the second lead screw 404 drives the sliding frame 402 to slide on the sliding rod 406. The straw fiber pulp board on the sliding frame 402 moves accordingly and moves onto the microporous plate 501, and contacts the straw fiber pulp board on the microporous plate 501 to moisten the straw fiber pulp board. At the same time, the atomizing nozzle 504 sprays out the starch solution through the second water pump 5041. The sprayed starch solution falls on the upper surface of the straw fiber pulp board. The starch solution can be used as an adhesive, which helps to enhance the bonding force between the fibers of the straw fiber pulp board and is conducive to the bending of the straw fiber pulp board.

[0052] After the wet treatment of the straw fiber pulp board is completed, as the sliding frame 402 continues to move and drives the straw fiber pulp board to reach above the cutting base 601. At this time, the switch of the cutting cylinder 603 is turned on, and the lower pressing plate 602 is driven to move downward by the cutting cylinder 603 to realize the movement of the V-shaped cutter 604. When the V-shaped cutter 604 contacts the straw fiber pulp board, under the continuous downward pressing of the cutting cylinder 603, the V-shaped cutter 604 cuts off the materials at the four corners of the straw fiber pulp board through the upper cutting notch 405 and the lower cutting notch 605. The cut materials fall into the waste bin 607 through the polymerization plate 606.

[0053] The sliding frame 402 continues to move, driving the straw fiber pulp board to reach the lower mold core 701. The stamping cylinder 704 is turned on, and the stamping cylinder 704 can drive the punch 703 to move longitudinally. When the punch 703 moves downward, the guide rail 705 moves downward, and the second spring 706 is compressed under force. At this time, the straw fiber pulp board is placed on the lower mold core 701. When the pressing part of the punch 703 extends into the lower mold core 701, the punch 703 gradually contacts the upper surface of the straw fiber pulp board and applies pressure to the straw fiber pulp board. Under the action of the lower mold core 701, the punch 703 will gradually squeeze the straw fiber pulp board into shape. Since the four corners of the straw fiber pulp board were cut off in the previous process, when the straw fiber pulp board is hot-pressed, the four sides will be bent and gradually form a lunch box, and the cut four-corner positions will become the sticky connection points of the four sides of the lunch box.

[0054] While the punch 703 moves downward, the screw rod 801 fixedly connected thereto also moves downward. After the screw rod 801 moves downward by a certain distance, the thread 803 thereon engages with the screw ring 804, and the screw ring 804 rotates. The movement of the screw rod 801 can drive the screw ring 804 to rotate. When the screw rod 801 engages and disengages with the screw ring 804, it can drive the screw ring 804 to rotate 180 degrees, that is, half a turn. The positions of the starch piston cylinders 8062 and the pneumatic piston cylinders 8061 at both ends of the rotating frame 806 are swapped. After the positions of the starch piston cylinders 8062 and the pneumatic piston cylinders 8061 are swapped, the starch piston cylinder 8062 moves to a position close to the spraying cavity 7121. The thread 803 on the screw rod 801 loses the screwing relationship with the screw ring 804, and the rotating frame 806 stops rotating.

[0055] When the screw rod 801 moves downward and when the thread 803 on the screw rod 801 loses the screwing relationship with the screw ring 804, the upper wedge ring 802 contacts and connects with the first wedge block 811. When the screw rod 801 moves downward and drives the upper wedge ring 802 to move downward, the first wedge block 811 is subjected to the extrusion force of the inclined surface of the upper wedge ring 802 and moves toward the hopper 813. The first wedge block 811 drives the driven slide rod 809 to slide in the slide rail 810, and the driven slide rod 809 drives the starch piston rod 807 to move in the same direction in the starch piston cylinder 8062, pushing the starch solution in the starch piston cylinder 8062 out of the starch piston cylinder 8062. The starch solution ejected from the starch piston cylinder 8062 is sprayed onto the cutting position of the straw fiber pulp board through the spraying cavity 7121 on the outer housing 712, and the starch solution performs a slurry replenishment treatment on the cutting position of the straw fiber pulp board to improve the adhesiveness of the four corners of the straw fiber pulp board.

[0056] When the molding of the lunch box is completed, the lunch box needs to be demolded. Since there will be residual starch solution at the four corners of the lunch box, the four corners of the lunch box will stick to the lower mold core 701. Therefore, when the punch 703 moves upward, the first spring 710 resets and drives the cross plate 708 and the ejector rod 709 to move in the same direction. The ejector rod 709 pushes the stamped lunch box upward to achieve the demolding of the lunch box.

[0057] While the punch 703 moves upward, the punch 703 drives the screw rod 801 to move upward. The upper wedge ring 802 loses contact with the first wedge block 811, and the thread 803 on the screw rod 801 resumes the meshing relationship with the screw ring 804. Since the movement direction of the screw rod 801 is opposite, the rotation direction of the screw ring 804 is opposite. At this time, the rotating frame 806 rotates counterclockwise until the pneumatic piston cylinder 8061 on the rotating frame 806 moves to a position close to the spraying cavity 7121.

[0058] With the continuous rotation of the screw 801, the thread 803 on the screw 801 loses the meshing relationship with the spiral ring 804. The lower wedge ring 8021 contacts the second wedge block 8111. The second wedge block 8111 moves toward the hopper 813 under the extrusion force. The second wedge block 8111 drives the driven slide rod 809 to slide in the slide rail 810. The driven slide rod 809 drives the pneumatic piston rod 8071 to move in the same direction in the pneumatic piston cylinder 8061, pushing the air in the pneumatic piston cylinder 8061 out of the pneumatic piston cylinder 8061 and spraying it through the spray cavity 7121, and pushing the air to the four corners of the lunch box. During this process, the pneumatic piston rod 8071 drives the third spring 8091 and the shock-absorbing rod 8092 to compress, assisting the demolding of the lunch box by the blowing action of the air flow to prevent incomplete demolding of the lunch box.

[0059] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An environmentally friendly lunch box production device based on degradable materials, characterized in that: It includes a machine body (2), a cutting component, a wetting component, and a slurry replenishing and demolding component; A sliding frame (402) with cutting upper notches (405) provided at its four corners is slidably mounted on the machine body (2); The wetting component includes: a microporous plate (501), a conical diffusion frame (502), and a microporous plate frame (503). The microporous plate frame (503) is fixedly provided on the machine body (2). The microporous plate (501) and the conical diffusion frame (502) that can uniformly wet the pulp board are fixed on the microporous plate frame (503). An atomizing nozzle (504) capable of spraying starch solution is provided above the microporous plate frame (503); The cutting component includes: a cutting frame (6011). A cutting base (601) with a cutting frame (6011) fixed thereon is fixedly provided on the machine body (2). A lower pressing plate (602) capable of contacting it is provided above the cutting frame (6011). A V-shaped cutter (604) for cutting the four corners of the pulp board is fixed on the lower surface of the lower pressing plate (602). A cutting lower notch (605) corresponding to the cutting upper notch (405) and the V-shaped cutter (604) is provided on the cutting frame (6011); A lower die core (701) is fixedly provided on the machine body (2). A punch (703) capable of moving towards the lower die core (701) and fixedly connected to a screw rod (801) is provided above the lower die core (701); The slurry replenishing and demolding component is arranged in the lower die core (701). The slurry replenishing and demolding component includes: a rotating frame (806). An outer shell (712) is fixed in the lower die core (701). The rotating frame (806) is rotatably arranged in the outer shell (712). A starch piston cylinder (8062) and a pneumatic piston cylinder (8061) are respectively fixed on the upper and lower surfaces of the rotating frame (806). A screw ring (804) capable of being screwed with the screw rod (801) is fixed in the middle of the rotating frame (806). A starch piston rod (807) and a pneumatic piston rod (8071) respectively provided with a first wedge block (811) and a second wedge block (8111) are slidably mounted in the starch piston cylinder (8062) and the pneumatic piston cylinder (8061). An upper wedge ring (802) and a lower wedge ring (8021) are coaxially fixed on the screw rod (801). The upper wedge ring (802) and the lower wedge ring (8021) can respectively contact the first wedge block (811) and the second wedge block (8111) and can move the first wedge block (811) and the second wedge block (8111).

2. The environmentally friendly lunch box production equipment based on degradable materials according to claim 1 is characterized in that: A lifting outer shell (101) with a first driving motor (103) arranged therein is fixedly connected to one side of the machine body (2). The output shaft of the first driving motor (103) is fixedly connected to a first lead screw (104) screwed with a lead screw slider (106). The lead screw slider (106) is longitudinally slidably mounted on a limiting rod (105) and is fixedly connected to a moving plate (107) slidably mounted in the lifting outer shell (101).

3. The environmentally friendly lunch box production equipment based on degradable materials according to claim 1, characterized in that: The body (2) rotatably mounts a rotating rod (303) with mounting plates (304) fixed at both ends thereof. A vacuum pump (3051) fixedly connected to an adsorption cylinder (305) is fixed on the mounting plate (304). One end of the vacuum pump (3051) is fixedly connected to a vacuum chuck (306).

4. An environmentally friendly lunch box production device based on degradable materials according to claim 1, characterized in that: A second drive motor (403) is fixedly arranged on the body (2). The output shaft of the second drive motor (403) is fixedly connected to a second lead screw (404) on which a sliding frame (402) is screwed. The sliding frame (402) is slidably mounted on a sliding bottom block (401), and the sliding bottom block (401) is fixedly arranged on the body (2).

5. The environmentally friendly lunch box production equipment based on degradable materials according to claim 1, characterized in that: The microplate holder (503) and the water inlet at the lower end of the atomizing nozzle (504) are respectively fixedly connected to a first water pump (5011) and a second water pump (5041). The first water pump (5011) and the second water pump (5041) are fixedly arranged inside the body (2).

6. The environmentally friendly lunch box production equipment based on degradable materials according to claim 1, characterized in that: One end of a cutting cylinder (603) is fixedly connected to the center position of the upper surface of the lower pressing plate (602). The cutting cylinder (603) is fixedly arranged on the body (2). A V-shaped cutter (604) corresponding to a cutting upper notch (405) is respectively fixed at the four corners of the lower pressing plate (602). Cutting lower notches (605) corresponding to the cutting upper notch (405) and the V-shaped cutter (604) are arranged at the four corners of the cutting frame (6011).

7. An environmentally friendly lunch box production device based on degradable materials according to claim 1, characterized in that: A polymerization plate (606) and a waste bin (607) are fixedly arranged below the cutting frame (6011). The polymerization plate (606) and the waste bin (607) are fixedly arranged on the body (2), and the polymerization plate (606) is located above the waste bin (607).

8. The environmentally friendly lunch box production equipment based on degradable materials according to claim 1, characterized in that: One end of a top rod (709) is fixedly connected to the lower end of a top block (707). The other end of the top rod (709) passes through a cross plate (708) slidably mounted on the body (2) and is slidably connected to a fixing plate (7081). One end of a first spring (710) is fixedly connected to the lower surface of the cross plate (708). The other end of the first spring (710) is fixedly connected to the fixing plate (7081). The first spring (710) is sleeved on the surface of the top rod (709).

9. The environmentally friendly lunch box production equipment based on degradable materials according to claim 1 is characterized in that: The upper mounting plate (702) is fixedly connected to the body (2). A guide rail (705) is slidably connected to each of the four corners of the upper mounting plate (702). The other end of the guide rail (705) is fixedly connected to a punch (703). A second spring (706) is sleeved on the guide rail (705). The two ends of the second spring (706) are respectively fixedly connected to the upper mounting plate (702) and the guide rail (705). The middle part of the lower surface of the upper mounting plate (702) is fixedly connected to a punching cylinder (704). The output end of the punching cylinder (704) is fixedly connected to the upper surface of the punch (703). A spray chamber (7121) is fixedly arranged on the surface of the outer housing (712). There are four outer housings (712), which are respectively arranged at the four corners of the lower die insert (701).

10. The environmentally friendly lunch box production equipment based on degradable materials according to claim 1, characterized in that: The inner surfaces of the starch piston cylinder (8062) and the pneumatic piston cylinder (8061) are respectively in contact with a starch piston rod (807) and a pneumatic piston rod (8071). The starch piston rod (807) and the pneumatic piston rod (8071) are slidably mounted on a rotating frame (806), and are respectively fixedly connected to a first wedge block (811) and a second wedge block (8111).

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