Molded pulp extrusion dewatering equipment

Abstract

The invention belongs to the technical field of molded pulp extrusion dewatering, and relates to molded pulp extrusion dewatering equipment which comprises a supporting frame, extrusion equipment is installed on the supporting frame, an edge cutting assembly and a recycling device are installed on the extrusion equipment, and flushing assemblies are installed on vertical rod bodies on the periphery of the supporting frame. The extrusion equipment comprises a first electric push rod, lifting frames are symmetrically installed at the bottom of a top plate of the supporting frame, and the bottoms of the lifting frames are fixedly connected with an upper mold. Through cooperative operation of the edge cutting assembly, the recovery device and the flushing assembly, edge cutting is conducted on the molded pulp edge while molded pulp is formed, waste recovery and reutilization of the edge are achieved, meanwhile, the cleanliness of the surface of a mold is guaranteed, dehydration equipment does not need to be stopped, and the efficiency of the whole molded pulp production process is improved.

Description

Technical Field

[0001] The invention belongs to the technical field of pulp molding extrusion dehydration and relates to pulp molding extrusion dehydration equipment. Background Art

[0002] With the improvement of environmental protection technology, pulp molding is widely used in many fields, which can meet different use requirements. When pulp molding is produced using pulp, it will use extrusion dehydration equipment to cooperate with the operation, so as to achieve smooth molding; For example, the application number "CN22132518U" discloses a pulp molding extrusion dewatering device, in which it is recorded that "it includes a frame, a first die base, a die base driving component for driving the first die base to be lifted and lowered, and a second die base are arranged on the frame, a bottom die is arranged on the first die base, and a top die that can be molded with the bottom die is arranged on the second die base, and a lifting member and a lifting driving component for driving the lifting member to be lifted and lowered are arranged on the frame, and the bottom of the lifting member can be relatively opened or closed, when the lifting member is relatively opened, the bottom die can rise to the top die position, and when the lifting member is closed, it can be hooked on the first die base or the bottom die, and the bottom die is directly lifted by the lifting member, so that the extrusion force acts on the bottom die, and the stability is better."; When using the above technology, it was found that the following technical problems exist in the prior art: when the prior art is in operation, the molded edges are usually rough or uneven, and a trimming process needs to be added later to meet the size requirements and appearance requirements of the pulp molding. The waste from the cut-off pulp molding edges needs to be recycled additionally, which increases the length of the production operation flow line. In addition, after use, some plant fibers will adhere to the surface of the molding mold. The accumulated fibers not only affect the cleanliness of the mold, but also cause inconvenience to the subsequent shaping operations, and even require the operator to stop the dehydration equipment and take time to clean it, resulting in low production efficiency of the entire pulp molding. Summary of the invention

[0003] The technical problem to be solved by the present invention is that the prior art requires a subsequent trimming process to meet the size requirements and appearance requirements of pulp molding, and the cut-off pulp molding edge waste requires an additional recycling process, which increases the length of the production operation flow line. In addition, after use, some plant fibers will adhere to the surface of the molding mold. The accumulated fibers not only affect the cleanliness of the mold, but also cause inconvenience to subsequent shaping operations, and even require the operator to stop the dehydration equipment and take time to clean it, resulting in low production efficiency of the entire pulp molding.

[0004] A pulp molding extrusion dewatering device described in the present invention comprises a support frame, an extrusion device is installed on the support frame, a trimming assembly and a recovery device are installed on the extrusion device, flushing assemblies are installed on the vertical rods around the support frame, the extrusion device contains a first electric push rod, a lifting frame is symmetrically installed on the bottom of the top plate of the support frame, and an upper mold is fixedly connected to the bottom of the lifting frame.

[0005] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, the recovery device includes a receiving box, which is fixedly connected to the receiving box at a lower position of the vertical rod of the support frame by bolts, and a receiving cavity is provided on the top of the receiving box, and support columns are fixedly connected to the bottom end surface of the inner wall of the receiving cavity near the four corners, and a support plate is fixed to the top of the support column, and a limiting groove is provided at the top edge of the support plate, and a lower mold is installed on the top of the support plate, and a pressing groove is provided on the bottom end surface of the upper mold, and the upper mold can be pressed tightly against the outside of the lower mold through the pressing groove.

[0006] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, the trimming assembly includes a sliding groove, and the sliding grooves are symmetrically opened on the vertical structural surfaces around the upper mold, and a third electric push rod is installed on the top of each pair of the sliding grooves, and a sliding block is connected to the bottom of each pair of the third electric push rods, and a lifting block is fixedly connected to the connecting end of each pair of the sliding blocks, and a cutter is fixedly connected to the vertical structural surface of each lifting block, and a telescopic cavity is opened on the bottom end surface of each lifting block, and springs are symmetrically connected to the top of the inner wall of each telescopic cavity, and a pressure strip is connected to the bottom of each pair of springs, and the springs do not deform when not in operation, and at this time, the horizontal plane where the bottom end surface of the pressure strip is located coincides with the horizontal plane where the bottom end surface of the cutter is located.

[0007] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, connecting frames are symmetrically fixed to the vertical plates on both sides of the lifting frame, and a second electric push rod is installed on the frame body of each connecting frame. The bottom of the second electric push rod is connected to a limiting frame, and a card slot is provided at the bottom of the limiting frame, and can be mutually engaged with the limiting slot on the top of the support plate. When the limiting frame is completely placed on the plate body of the support plate, the second electric push rod is retracted to the shortest distance, and the horizontal plane where the bottom end surface of the limiting frame is located coincides with the horizontal plane where the bottom end surface of the support plate is located.

[0008] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, the outer sides of the vertical plates around the receiving box in the recovery device are fixed with mounting plates by bolts, and a fourth electric push rod is installed on the plate body of the mounting plate frame, and the telescopic end of the fourth electric push rod is connected to a scraper, and the bottom of the scraper is equipped with liftable scraping teeth, and the horizontal plane where the bottom end surface of the scraper movement trajectory is located is higher than the horizontal plane where the top end surface of the support plate is located, and the horizontal plane where the top end surface of the support plate is located is lower than the horizontal plane where the top end surface of the receiving box is located.

[0009] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, a rotating shaft is installed on the bottom end face of the inner wall of the receiving chamber, and each rotating shaft is installed with a spiral blade on its shaft body. A small motor is installed on the bottom end face of the receiving box, and the output shaft end of each small motor is connected to the rotating shaft at the corresponding position.

[0010] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, a recovery box is provided below the receiving box, a liquid extraction pipe is installed on the recovery box, the top end of the liquid extraction pipe is connected to the receiving box and communicated with the receiving cavity, and a liquid extraction pump is installed on the liquid extraction pipe.

[0011] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, the flushing assembly includes a fixed block, a limiting ring is installed on the vertical structural surface of the fixed block close to the receiving box, a water spray pipe is provided inside the limiting ring, a nozzle is fixedly connected to the water spray pipe, a water inlet pipe is installed at the bottom of the fixed block, and the connecting end of the water inlet pipe is connected to the water spray pipe, and a small water pump is installed on the water inlet pipe.

[0012] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, a structural cavity is opened inside the block body of the fixed block, and a rotating opening is opened through the inner wall surface of the structural cavity close to the receiving box, a micro motor is fixed inside the structural cavity, a gear is installed on the end of the output shaft of the micro motor, a fixing ring is provided on the outer arc surface fixing sleeve of the pipe body of the water spray pipe, gear teeth are fixed on the fixing ring, and the gear is meshed with the gear teeth through the rotating opening.

[0013] As a preferred embodiment of the pulp molding extrusion dewatering equipment provided by the present invention, a drying chamber is opened in the upper position of the interior of the upper mold and in the interior of the lower mold, an air inlet is opened through the top of the inner wall of the drying chamber in the upper mold, a heating box is installed on the top of the upper mold, a heating chamber is opened inside the heating box, an electric heating wire is arranged inside the heating chamber, a fan is arranged on the top of the heating box, an air inlet pipe is installed on the fan, the end of the air inlet pipe is connected to the heating box and communicated with the heating chamber, and an electric heating wire is also arranged in the drying chamber inside the lower mold.

[0014] Compared with the prior art, the present invention has the following beneficial effects: First, through the cooperation of the trimming assembly, when the upper mold cooperates with the support plate for extrusion, the third electric push rod pushes the cutter to move downward, so that the trimming operation of the edge of the pulp molding can be achieved while the pulp molding is being formed.

[0015] Secondly, through the cooperation of the recycling device, the edge waste cut by the trimming component can be recycled, and under the stirring action of the spiral blade, the cut waste is re-dissolved in water, realizing the recycling of plant fibers, reducing production costs, and at the same time, shortening the production operation flow line.

[0016] Third, with the assistance of the flushing component, the mold itself can be automatically flushed and dried after the molding and demolding, ensuring the cleanliness of the mold surface while facilitating the continuation of the next stamping and dehydration operation. There is no need to stop the dehydration equipment, thereby improving the efficiency of the entire pulp molding production process. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention.

[0018] Figure 2 It is a schematic structural diagram of the extrusion equipment part in the present invention.

[0019] Figure 3 It is a schematic diagram of the upper and lower positions of the limiting frame and the supporting plate in the present invention.

[0020] Figure 4 It is a schematic diagram of the installation position structure of the trimming assembly in the present invention.

[0021] Figure 5 It is a schematic diagram of the internal cross-sectional structure of the upper mold of the present invention.

[0022] Figure 6 It is a structural schematic diagram of the cutter installation position in the present invention.

[0023] Figure 7 It is a partial structural schematic diagram of the recovery device in the present invention.

[0024] Figure 8 It is a schematic diagram of the cross-sectional structure of the receiving box in the present invention.

[0025] Fig. 9 It is a structural schematic diagram of the cross section of the fixing block in the present invention.

[0026] Fig.10 It is a structural schematic diagram of the cross section of the heating box in the present invention.

[0027] In the figure: 1, support frame; 2, trimming assembly; 3, recovery device; 4, washing assembly; 5, first electric push rod; 6, lifting frame; 7, upper mold; 8, connecting frame; 9, second electric push rod; 10, limiting frame; 11, receiving box; 12, receiving cavity; 13, support column; 14, support plate; 15, lower mold; 16, pressing groove; 17, sliding groove; 18, third electric push rod; 19, sliding block; 20, lifting block; 21, cutter; 22, telescopic cavity; 23, spring; 24, edge pressing strip; 25, mounting plate frame; 26. Fourth electric push rod; 27. Scraper; 28. Rotating shaft; 29. ​​Spiral blade; 30. Small motor; 31. Recovery box; 32. Liquid extraction pipe; 33. Liquid extraction pump; 34. Fixed block; 35. Structural cavity; 36. Micro motor; 37. Gear; 38. Limiting ring; 39. Water spray pipe; 40. Nozzle; 41. Fixed ring; 42. Gear teeth; 43. Water inlet pipe; 44. Small water pump; 45. Drying cavity; 46. Air inlet; 47. Heating box; 48. Heating cavity; 49. Heating wire; 50. Fan; 51. Air inlet pipe. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical solution and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0029] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features and technical solutions in the embodiments may be combined with each other.

[0030] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0031] Embodiment 1 like Figure 1-Figure 6As shown, a pulp molding extrusion dewatering device comprises a support frame 1, an extrusion device is mounted on the support frame 1, a trimming assembly 2 and a recovery device 3 are mounted on the extrusion device, a flushing assembly 4 is mounted on the vertical rods around the support frame 1, the extrusion device comprises a first electric push rod 5, a lifting frame 6 is symmetrically mounted on the bottom of the top plate of the support frame 1, and an upper mold 7 is fixedly connected to the bottom of the lifting frame 6; The recycling device 3 includes a receiving box 11, and the receiving box 11 is fixedly connected to the lower part of the vertical rod of the support frame 1 by bolts. A receiving cavity 12 is provided on the top of the receiving box 11, and the receiving cavity 12 can collect the cut waste and facilitate the subsequent operation of the spiral blade 29. The bottom end surface of the inner wall of the receiving cavity 12 is fixedly connected to a support column 13 near the four corners, and the top of the support column 13 is fixedly connected to a support plate 14, and a limiting groove is provided at the top edge of the support plate 14. A lower mold 15 is installed on the top of 4, and a pressing groove 16 is opened on the bottom end surface of the upper mold 7. The upper mold 7 can be pressed against the outside of the lower mold 15 through the pressing groove 16, and the first electric push rod 5 on the support frame 1 is started. The first electric push rod 5 pushes the lifting frame 6 to move downward, driving the limiting frame 10 to move downward. After the limiting frame 10 is pressed against the top of the support plate 14, pulp is injected into the space enclosed by the limiting frame 10 and the support plate 14, so as to provide space for injection for subsequent pulp molding; The trimming assembly 2 includes a sliding groove 17 to limit the movement range of the cutter 21. The sliding grooves 17 are symmetrically provided on the vertical structural surfaces around the upper mold 7. A third electric push rod 18 is installed on the top of each pair of the sliding grooves 17. A sliding block 19 is connected to the bottom of each pair of the third electric push rods 18. A lifting block 20 is fixedly connected to the connecting end of each pair of the sliding blocks 19. A cutter 21 is fixedly connected to the vertical structural surface of each lifting block 20. A telescopic cavity 22 is provided on the bottom end surface of each lifting block 20. A spring 23 is symmetrically connected to the top of the inner wall of each telescopic cavity 22. A pressure strip 24 is connected to the bottom of each pair of springs 23. The spring 23 does not deform when not in operation, and at this time, the horizontal plane where the bottom end surface of the pressure strip 24 is located coincides with the horizontal plane where the bottom end surface of the cutter 21 is located. When trimming the pulp molding, the third electric push rod 18 inside the sliding groove 17 can be started to push the sliding block 19 and the lifting block 20 to move downward, so that the cutter 21 moves downward accordingly. When the cutter 21 and the edge pressing strip 24 contact the pulp molding at the same time, the edge pressing strip 24 squeezes and limits the edge of the pulp molding. As the third electric push rod 18 continues to operate, the cutter 21 continues to move downward, and the edge pressing strip 24 will move relatively upward along the telescopic cavity 22. The spring 23 contracts and generates a reaction force. The reaction force can ensure that the pulp molding will not move, so that the trimming operation of the cutter 21 can be carried out smoothly, and the trimming effect of the pulp molding is achieved. Connecting frames 8 are symmetrically fixed to the vertical plates on both sides of the lifting frame 6, and a second electric push rod 9 is installed on the frame of each connecting frame 8. The second electric push rod 9 can assist in controlling the lifting effect of the limiting frame 10 to ensure the coordination of the limiting frame 10 and the support plate 14 to achieve the filling effect of the pulp raw material before dehydration. The bottom of the second electric push rod 9 is connected to the limiting frame 10, and a card slot is provided at the bottom of the limiting frame 10, and can be mutually locked with the limit slot at the top of the support plate 14. When the limiting frame 10 is completely placed on the plate body of the support plate 14, the second electric push rod 9 is retracted to the shortest distance, and the horizontal plane where the bottom end face of the limiting frame 10 is located coincides with the horizontal plane where the bottom end face of the support plate 14 is located. Before pulp molding production, the second electric push rod 9 is started, so that the limiting frame 10 is tightly clamped on the top of the support plate 14, and then an appropriate amount of pulp stock solution is injected into the enclosed cavity. Then, the first electric push rod 5 is extended and the second electric push rod 9 is contracted, so that the upper mold 7 is pressed tightly on the top of the lower mold 15. During this process, the limiting frame 10 is always pressed tightly on the top of the support plate 14 to achieve the shaping effect of pulp molding; Through the structural design of the trimming assembly 2, when producing paper molding, the second electric push rod 9 on the connecting frame 8 is started, and the limiting frame 10 is pushed to press tightly on the top of the support plate 14 to form a filling cavity, and the pulp raw material is injected into the cavity, and the first electric push rod 5 is started. The first electric push rod 5 is stretched and extended accompanied by the contraction of the second electric push rod 9, and the lifting frame 6 drives the extrusion equipment to move downward. Under the cooperation of the sliding groove 17 and the lower mold 15, the pulp stock liquid is dehydrated and formed. Subsequently, the second electric push rod 9 is operated to push the trimming assembly 2 to move downward. After the cutter 21 and the edge pressing strip 24 contact the pulp molding, the edge pressing strip 24 is pressed to limit the edge, and the cutter 21 cuts downward, so that the edge trimming operation is performed on the pulp while the pulp is being molded, so as to meet the size requirements and appearance requirements of the pulp molding.

[0032] Embodiment 2 like Figure 1 , Figure 7-Figure 8As shown, the outer side of the vertical plate body of the receiving box 11 in the recycling device 3 is fixed with a mounting plate frame 25 by bolts, and a fourth electric push rod 26 is installed on the plate body of the mounting plate frame 25. The telescopic end of the fourth electric push rod 26 is connected to a scraper 27, and the bottom of the scraper 27 is equipped with liftable scraping teeth. The horizontal plane where the bottom end face of the scraper 27 movement trajectory is located is higher than the horizontal plane where the top end face of the support plate 14 is located, and the horizontal plane where the top end face of the support plate 14 is located is lower than the horizontal plane where the top end face of the receiving box 11 is located. After the cutter 21 completes the trimming operation, the fourth electric push rod 26 on the mounting plate frame 25 is started, and the telescopic end of the fourth electric push rod 26 drives the scraper 27 to move toward the mounting plate frame 25 at the corresponding position, so that the edge waste cut off on the support plate 14 falls into the inside of the receiving cavity 12, so that the edge waste is collected in time; A rotating shaft 28 is installed on the bottom end surface of the inner wall of the receiving chamber 12, and a spiral blade 29 is installed on the shaft of each rotating shaft 28. A small motor 30 is installed on the bottom end surface of the receiving box 11, and the output shaft end of each small motor 30 is connected to the rotating shaft 28 at the corresponding position. After the edge waste of pulp molding is scraped into the inside of the receiving chamber 12, the small motor 30 is started, and the rotating shaft 28 drives the spiral blade 29 to rotate, so that the edge waste is re-dissolved into fine plant fibers, which is convenient for subsequent recycling and reuse; A recovery box 31 is provided below the receiving box 11, and a liquid extraction pipe 32 is installed on the recovery box 31. The top end of the liquid extraction pipe 32 is connected to the receiving box 11 and communicates with the receiving chamber 12, and a liquid extraction pump 33 is installed on the liquid extraction pipe 32. After the marginal waste is dissolved into pulp, the liquid extraction pump 33 operates, so that the pulp solution enters the interior of the recovery box 31 through the liquid extraction pipe 32, which is convenient for the subsequent concentration adjustment of the recovered pulp solution; Through the structural design of 3, after the trimming operation is completed, the second electric push rod 9 contracts, driving the limiting frame 10 to move upward, and then the fourth electric push rod 26 on the mounting plate frame 25 operates to push the scraper 27 to move in the direction of the support plate 14. After the scraper 27 enters the static range of the edge waste, the scraping teeth at the bottom of the scraper 27 descend and contact the waste. Then the fourth electric push rod 26 contracts, and the scraper 27 scrapes the waste to fall into the receiving chamber 12 in the receiving box 11. At the same time, the small motor 30 at the bottom of the receiving box 11 is started, and the spiral blade 29 rotates to stir the edge waste and dissolve it in the slurry inside the receiving chamber 12. However, since there are certain requirements for the concentration of the pulp stock solution, the liquid pump 33 is started to pump the pulp in the receiving chamber 12 into the recovery box 31 through the liquid pumping pipe 32, so as to facilitate the allocation of different pulp concentrations during subsequent reuse to meet different production requirements.

[0033] Embodiment 3 like Figure 1 , Fig. 9 and Fig.10 As shown, the flushing assembly 4 includes a fixed block 34, and a limit ring 38 is installed on the vertical structural surface of the fixed block 34 close to the receiving box 11. A water spray pipe 39 is arranged inside the limit ring 38, and a nozzle 40 is fixedly connected to the water spray pipe 39. A water inlet pipe 43 is installed at the bottom of the fixed block 34, and the connecting end of the water inlet pipe 43 is connected to the water spray pipe 39, and a small water pump 44 is installed on the water inlet pipe 43. Start the small water pump 44 around the support frame 1, and the water inlet pipe 43 draws water into the inside of the water spray pipe 39, and sprays it to the lower mold 15 through the nozzle 40, so as to flush the lower mold 15, avoid the accumulation of plant fibers on the mold surface of the lower mold 15, and ensure the smooth progress of subsequent shaping operations. The cleaning water generated by the flushing assembly 4 will enter the receiving cavity 12, which is convenient for the subsequent dissolution of waste materials and realizes the reuse of water resources; The fixed block 34 has a structural cavity 35 formed inside the body of the fixed block 34. The structural cavity 35 has a rotating opening formed on the inner wall surface near the receiving box 11. A micro motor 36 is fixed inside the structural cavity 35. A gear 37 is installed on the output shaft end of the micro motor 36. A fixed ring 41 is fixed on the outer arc surface of the pipe body of the water spray pipe 39. A gear 42 is fixed on the fixed ring 41. The gear 37 meshes with the gear 42 through the rotating opening. After the pulp molding production is completed, the micro motor 36 inside the structural cavity 35 operates and the gear 37 rotates. With the cooperation of the fixed ring 41 and the gear 42, the water spray pipe 39 drives the nozzle 40 to rotate up and down inside the limit ring 38, so as to achieve the cleaning of the lower mold 15 at multiple angles and ensure the quality of the cleaning operation. A drying chamber 45 is provided in the upper part of the upper mold 7 and in the lower mold 15. An air inlet 46 is provided on the top of the inner wall of the drying chamber 45 in the upper mold 7. A heating box 47 is installed on the top of the upper mold 7. A heating chamber 48 is provided in the heating box 47. A heating wire 49 is provided in the heating chamber 48. A fan 50 is provided on the top of the heating box 47. An air inlet pipe 51 is installed on the fan 50. The end of the air inlet pipe 51 is connected to the heating box 47 and communicated with the heating chamber 48. A heating wire 49 is also provided in the drying chamber 45 in the lower mold 15. When pulp molding is demoulded, the fan 50 is operated, and air enters the interior of the heating chamber 48. Subsequently, the electric heating wire 49 is operated to heat the incoming air, and enters the interior of the drying chamber 45 through the air inlet 46, so as to heat the inner wall of the pressing groove 16, thereby preventing excessive moisture from causing the plant fiber to adhere to the inner wall surface of the pressing groove 16, and facilitating the complete demoulding of the molding mold. In addition, after the plant fiber on the surface of the lower mold 15 is rinsed clean, the electric heating wire 49 inside the lower mold 15 is operated, so that the temperature of the surface of the lower mold 15 is increased, and the evaporation of the moisture on the surface is accelerated, thereby preventing the accumulation of water stains and affecting the concentration of the subsequent pulp stock solution; Through the structural design of the flushing component 4, when the pulp molding is completed and the trimming is completed and the demoulding is performed, the fan 50 is operated, and the air enters the interior of the heating chamber 48. Subsequently, the electric heating wire 49 operates to heat the incoming air and enters the interior of the drying chamber 45 through the air inlet 46, so as to heat the inner wall of the pressing groove 16, thereby preventing the plant fiber from adhering to the inner wall surface of the pressing groove 16 due to excessive moisture, and facilitating the complete demoulding of the molding mold; after the paper molding is completely demoulded, the micro motor 36 drives the gear 37 to rotate, and the solid With the cooperation of the fixed ring 41 and the gear 42, the water spray pipe 39 drives the nozzle 40 to swing up and down with the center line of the limit ring 38 as the axis, so that the four groups of flushing components 4 clean the surface of the lower mold 15 at different directions and angles, so as to flush the surface of the lower mold 15 to avoid the accumulation and adhesion of plant fibers. Then, the heating wire 49 inside the lower mold 15 operates to increase the temperature of the surface of the lower mold 15, accelerate the evaporation of water on its surface, and ensure the cleanliness and dryness of the lower mold 15.

[0034] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the present invention to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A pulp molding extrusion dehydration device, characterized in that: The invention comprises a support frame (1), an extrusion device is installed on the support frame (1), a trimming assembly (2) and a recovery device (3) are installed on the extrusion device, a flushing assembly (4) is installed on vertical rods around the support frame (1), the extrusion device includes a first electric push rod (5), a lifting frame (6) is symmetrically installed at the bottom of the top plate of the support frame (1), and an upper mold (7) is fixedly connected to the bottom of the lifting frame (6).

2. A pulp molding extrusion dehydration equipment according to claim 1, characterized in that: The recovery device (3) comprises a receiving box (11), the receiving box (11) is fixedly connected to the lower part of the vertical rod of the support frame (1) by bolts, the top of the receiving box (11) is provided with a receiving cavity (12), the bottom end surface of the inner wall of the receiving cavity (12) is fixedly connected to the support column (13) near the four corners, the top of the support column (13) is fixedly connected to a support plate (14), the top edge position of the support plate (14) is provided with a limiting groove, the top of the support plate (14) is installed with a lower mold (15), the bottom end surface of the upper mold (7) is provided with a pressing groove (16), and the upper mold (7) can be pressed against the outside of the lower mold (15) through the pressing groove (16).

3. A pulp molding extrusion dewatering device according to claim 2, characterized in that: The trimming assembly (2) includes a sliding groove (17), and the sliding grooves (17) are symmetrically provided on the vertical structural surfaces around the upper mold (7). A third electric push rod (18) is installed on the top of each pair of the sliding grooves (17), and a sliding block (19) is connected to the bottom of each pair of the third electric push rods (18). A lifting block (20) is fixedly connected to the connecting end of each pair of the sliding blocks (19), and a cutter (21) is fixedly connected to the vertical structural surface of each lifting block (20). A telescopic cavity (22) is provided on the bottom end surface of each lifting block (20), and a spring (23) is symmetrically connected to the top of the inner wall of each telescopic cavity (22). A pressure strip (24) is connected to the bottom of each pair of springs (23). The springs (23) do not deform when not in operation, and at this time, the horizontal plane where the bottom end surface of the pressure strip (24) is located coincides with the horizontal plane where the bottom end surface of the cutter (21) is located.

4. The pulp molding extrusion dewatering equipment according to claim 1, characterized in that: Connecting frames (8) are symmetrically fixed to the vertical plates on both sides of the lifting frame (6), and a second electric push rod (9) is installed on the frame of each connecting frame (8). The bottom of the second electric push rod (9) is connected to a limiting frame (10), and a clamping groove is provided at the bottom of the limiting frame (10) and can be mutually clamped with the limiting groove at the top of the support plate (14). When the limiting frame (10) is completely placed on the plate of the support plate (14), the second electric push rod (9) is retracted to the shortest distance, and the horizontal plane where the bottom end surface of the limiting frame (10) is located coincides with the horizontal plane where the bottom end surface of the support plate (14) is located.

5. The pulp molding extrusion dewatering equipment according to claim 2, characterized in that: The receiving box (11) in the recovery device (3) is fixed with a mounting plate frame (25) on the outer side of the vertical plate body around it by bolts, and a fourth electric push rod (26) is installed on the plate body of the mounting plate frame (25). The telescopic end of the fourth electric push rod (26) is connected to a scraper (27), and the bottom of the scraper (27) is equipped with a scraper tooth that can be raised and lowered. The horizontal plane where the bottom end surface of the movement trajectory of the scraper (27) is located is higher than the horizontal plane where the top end surface of the support plate (14) is located, and the horizontal plane where the top end surface of the support plate (14) is located is lower than the horizontal plane where the top end surface of the receiving box (11) is located.

6. The pulp molding extrusion dewatering equipment according to claim 2, characterized in that: A rotating shaft (28) is mounted on the bottom end surface of the inner wall of the receiving chamber (12), and a spiral blade (29) is mounted on the shaft of each rotating shaft (28). A small motor (30) is mounted on the bottom end surface of the receiving box (11), and the output shaft end of each small motor (30) is connected to the rotating shaft (28) at a corresponding position.

7. The pulp molding extrusion dewatering equipment according to claim 6, characterized in that: A recovery box (31) is provided below the receiving box (11), a liquid extraction pipe (32) is installed on the recovery box (31), the top end of the liquid extraction pipe (32) is connected to the receiving box (11) and communicates with the receiving chamber (12), and a liquid extraction pump (33) is installed on the liquid extraction pipe (32).

8. The pulp molding extrusion dewatering equipment according to claim 1, characterized in that: The flushing assembly (4) comprises a fixed block (34). A limit ring (38) is installed on a vertical structural surface of the fixed block (34) close to the receiving box (11). A water spray pipe (39) is provided inside the limit ring (38). A nozzle (40) is fixedly connected to the water spray pipe (39). A water inlet pipe (43) is installed at the bottom of the fixed block (34). The connecting end of the water inlet pipe (43) is connected to the water spray pipe (39). A small water pump (44) is installed on the water inlet pipe (43).

9. The pulp molding extrusion dewatering equipment according to claim 8, characterized in that: A structural cavity (35) is provided inside the body of the fixed block (34), and a rotation opening is provided through the inner wall surface of the structural cavity (35) close to the receiving box (11). A micro motor (36) is fixed inside the structural cavity (35), and a gear (37) is installed at the end of the output shaft of the micro motor (36). A fixed ring (41) is provided on the outer arc surface of the pipe body of the water spray pipe (39), and gear teeth (42) are fixedly connected to the fixed ring (41), and the gear (37) meshes with the gear teeth (42) through the rotation opening.

10. The pulp molding extrusion dewatering equipment according to claim 1, characterized in that: A drying chamber (45) is provided at an upper position inside the upper mold (7) and inside the lower mold (15); an air inlet (46) is provided through the top of the inner wall of the drying chamber (45) in the upper mold (7); a heating box (47) is installed on the top of the upper mold (7); a heating chamber (48) is provided inside the heating box (47); a heating wire (49) is provided inside the heating chamber (48); a fan (50) is provided on the top of the heating box (47); an air inlet pipe (51) is installed on the fan (50); an end of the air inlet pipe (51) is connected to the heating box (47) and communicates with the heating chamber (48); and a heating wire (49) is also provided in the drying chamber (45) inside the lower mold (15).

Images