A three-dimensional wet forming and demolding integrated machine for fiber materials and a forming and demolding method

Abstract

The application discloses a kind of fiber material three-dimensional wet forming demolding integrated machine and forming demolding method, comprising: base;Drainage cylinder, be located on the base, drainage cylinder top is located on the top surface of the base;Fixed mould, be located on the drainage cylinder, with the detachable connection of the drainage cylinder;Filter material cylinder, be located on the base, rotatably cover be established on the forming net or fixed mould;Driving mechanism, be located on the base;Movable mould, be located on the driving mechanism, under the drive of the driving mechanism with the fixed mould pressure tight cooperation;Vacuum pumping mechanism, be located in the base, the vacuum pumping end of vacuum pumping mechanism communicates the drainage cylinder and movable mould.The application can integrate wet forming, dehydration and demolding on the same equipment, reduce the humidity of paper sheet when drying, improve the drying forming quality of paper sheet, ensure the accuracy of subsequent experimental performance test.

Description

Technical Field

[0001] This invention relates to the field of fiber wet molding equipment technology, and in particular to an integrated machine for three-dimensional wet molding and demolding of fiber materials and a molding and demolding method. Background Technology

[0002] Sheet forming is one of the most important steps in papermaking technology, and current sheet forming generally uses fiber wet forming equipment. Existing laboratory wet forming equipment transfers the formed sheet to specialized sheet drying equipment for pressing and drying after sheet forming.

[0003] Because the paper sheets are not dehydrated during the above-mentioned processing, they may burst during the pressing, drying, and shaping process in the drying equipment due to excessive moisture. This can damage the paper sheets during the high-temperature pressing and drying process, making subsequent testing impossible. Even if the paper sheets are not burst and damaged, the fiber structure of the paper sheets will be altered, affecting the results of subsequent performance tests. Summary of the Invention

[0004] The purpose of this invention is to provide an integrated machine and method for three-dimensional wet forming and demolding of fiber materials. This integrated machine and method can integrate wet forming, dewatering and demolding on the same equipment, reduce the humidity of paper during drying, improve the drying and forming quality of paper, and ensure the accuracy of subsequent experimental performance tests.

[0005] To achieve the above objectives, the present invention provides an integrated machine for three-dimensional wet molding and demolding of fiber materials, the specific implementation of which is as follows: A three-dimensional wet molding and demolding machine for fiber materials, comprising: Base; A drain cylinder is provided on the machine base, with the top of the drain cylinder located on the top surface of the machine base; A fixed mold is disposed on the drainage cylinder and is detachably connected to the drainage cylinder; The filter media cylinder is mounted on the machine base and rotatably covers the forming mesh or fixed mold; The drive mechanism is mounted on the base; The moving mold is mounted on the driving mechanism and is pressed together with the fixed mold under the drive of the driving mechanism. A vacuuming mechanism is located inside the base, and the vacuuming end of the vacuuming mechanism is connected to the drain cylinder and the moving mold.

[0006] This invention discloses a three-dimensional wet molding and demolding integrated machine for fiber materials. Compared with existing technologies, it features a molding mesh or fixed mold detachably connected to the top of a drainage cylinder on the machine base. A filter cylinder on the machine base is rotatably covered by the fixed mold. A drive mechanism is installed on the machine base, and a moving mold that presses against the fixed mold is mounted on the drive mechanism. A vacuum mechanism is installed inside the machine base, with its vacuuming end connected to both the moving mold and the drainage cylinder. In practical use, the fixed mold is positioned on top of the drainage cylinder. First, the filter cylinder is covered by the drainage cylinder. The drainage operation of the drainage cylinder and the vacuuming mechanism vacuum the drainage cylinder and the moving mold, forming the fibers inside the filter cylinder onto the fixed mold. Then, the filter cylinder is opened, and the drive mechanism drives the moving mold and the fixed mold to press against each other. Simultaneously, the vacuuming mechanism presses against the drainage cylinder and the moving mold. Vacuum treatment is performed to dehydrate the formed fiber product, reducing its moisture content from 90% to 40%-50%. Then, the vacuuming process stops, leaving the fixed mold under positive pressure or inactive, while the moving mold remains under vacuum. During the separation of the moving and fixed molds, the fiber product adheres to the moving mold. Vacuuming of the moving mold is then stopped, and air jet treatment is applied to the moving mold using a vacuuming device to achieve demolding of the fiber product. The resulting fiber product has a lower moisture content compared to the untreated product. This prevents bursting damage and damage to the internal structure of the fiber caused by excessive moisture during subsequent drying, thus improving drying efficiency, enhancing the quality of the dried paper, and ensuring the accuracy of subsequent performance tests.

[0007] In some embodiments, the following are included: The first sealing ring is disposed on the outer periphery of the fixed mold; The forming mesh can be a planar forming mesh or a three-dimensional forming mesh, and can be alternatively disposed on the fixed mold; The second sealing ring is disposed on the fixed mold, and the outer periphery of the forming mesh is disposed between the second sealing ring and the fixed mold.

[0008] By setting a first sealing ring on the outer periphery of the fixed mold, when the fixed mold is placed at the top of the drainage cylinder, the first sealing ring cooperates with the drainage cylinder to achieve a sealing treatment between the fixed mold and the drainage cylinder, so that the fixed mold can be vacuumed when the vacuum system vacuums the drainage cylinder. A replaceable planar forming mesh or three-dimensional forming mesh is set on the fixed mold, so that the fiber material in the filter cylinder is blocked by the forming mesh and formed on the fixed mold with the cooperation of the drainage cylinder and the vacuum mechanism. A second sealing ring is set on the fixed mold to press the forming mesh tightly on the fixed mold, improving the connection stability and sealing performance between the forming mesh and the fixed mold. Moreover, the replaceable planar forming mesh or three-dimensional forming mesh can be selected according to production needs to produce fiber products of different shapes.

[0009] In some embodiments, the following are included: Elastic sealant is applied to the outer periphery of the bottom of the moving mold; The third sealing ring is located on the outer periphery of the elastic sealant, and its bottom is in contact with the first sealing ring.

[0010] By setting an elastic sealant on the outer periphery of the bottom of the moving mold, and setting a third sealing ring on the outer periphery of the elastic sealant, the third sealing ring is attached to the first sealing ring. In actual use, when the moving mold and the fixed mold are closed, the bottom of the third sealing ring contacts and is attached to the first sealing ring of the fixed mold, thereby improving the sealing between the moving mold and the fixed mold and ensuring the formation of a vacuum environment.

[0011] In some embodiments, the following are included: Several limiting baffles are disposed on the top of the moving mold and arranged in a ring array along the center of the moving mold; A limiting block is provided on the top surface of the third sealing ring and engages with the limiting baffle for limiting movement; The first mounting hole is located at the bottom end of the limiting baffle; The second mounting hole is located at the top of the limiting block; An elastic element is disposed between the limiting block and the limiting baffle, with one end embedded in the first mounting hole and the other end embedded in the second mounting hole.

[0012] By setting several limiting baffles on the top of the moving mold and setting mutually limiting blocks on the top surface of the third sealing ring, the elastic sealant is compressed and shrinks under the mold closing force, and the elasticity of the elastic element is used to open the moving mold and the third sealing ring, so that the third sealing ring always fits against the first sealing ring, further improving the sealing performance between the fixed mold and the moving mold. A first mounting hole is set on the limiting baffle and a second mounting hole is set on the limiting block. The elastic element is installed using the first mounting hole and the second mounting hole, which improves the installation convenience and stability of the elastic element.

[0013] In some embodiments, the drive mechanism includes: A first connecting shaft is provided on the machine base; The first connecting rod has its end sleeved on the connecting shaft and can rotate along the circumferential direction of the first connecting shaft; The second connecting shaft is located at the other end of the first connecting rod; The second connecting rod has its end sleeved on the second connecting shaft and can rotate in the circumferential direction of the second connecting shaft. The moving mold is located at the bottom of the other end of the second connecting rod.

[0014] By setting the drive mechanism to adopt a first connecting shaft mounted on the base, a rotatable first connecting rod sleeved on the first connecting shaft, a second connecting shaft mounted on the first connecting rod, and a rotatable second connecting rod sleeved on the second connecting shaft, the second connecting rod is connected to the moving mold. In use, the position of the moving mold can be adjusted by rotating the first connecting rod and the second connecting rod, so that it can close with the moving mold.

[0015] In some embodiments, the following are included: The first connecting block is located at the end of the second connecting rod, is sleeved on the second connecting shaft, and can rotate along the circumferential direction of the second connecting shaft; The first mounting groove is opened on the side of the first connecting block facing the moving mold, and the top and bottom are open; The swing cylinder is located above the second connecting rod, with its telescopic end connected to the second connecting rod and its other end inside the first mounting groove, and rotatably connected to the first connecting block.

[0016] By setting a first connecting block on the second connecting rod, opening a first mounting groove on the first connecting block, and setting a swing cylinder above the second connecting rod, the swing cylinder connects the second connecting rod and the first connecting block. The extension and retraction of the extension end of the swing cylinder drives the second connecting rod to swing, thereby driving the moving mold to rise and fall, and realizing the closing or separating of the moving mold and the fixed mold.

[0017] In some embodiments, the following are included: The second connecting block is disposed on the end of the second connecting rod that is away from the second connecting shaft; A clamping hole is formed on the second connecting block; The third connecting shaft is located inside the clamping hole, and its bottom end extends to the bottom of the second connecting block and is connected to the moving mold.

[0018] By setting a second connecting block on the second connecting rod and a third connecting shaft on the clamping hole of the second connecting block, the moving mold can be connected by the third connecting shaft. The position of the third connecting shaft in the clamping hole can be adjusted to adjust the installation height of the moving mold, ensuring that the moving mold and the fixed mold can be smoothly closed.

[0019] In some embodiments, the following are included: The first channel and the second channel are both located on the vacuuming mechanism and are both connected to the top of the moving mold; Several air holes are formed on the fixed mold and are connected to the first channel and the second channel.

[0020] By setting a first channel and a second channel on the vacuum mechanism to conduct the fixed mold, and setting a number of air holes on the fixed mold to conduct the first channel and the second channel, the positive and negative pressure of the vacuum mechanism can be used to realize the vacuuming operation and air blowing operation of the fixed mold in actual use, so as to achieve the purpose of dehydration and demolding of fiber products.

[0021] This invention also provides a method for demolding three-dimensional wet molding of fiber materials, applied to the three-dimensional wet molding demolding machine for fiber materials described in any of the above-mentioned embodiments, comprising the following steps: S11: The fiber slurry inside the filter media cartridge is stirred evenly; S12: Drainage cylinder drains and filters, and the fiber inside the filter cylinder is formed on the forming net of the fixed mold; S13: The filter cylinder and the drainage cylinder are separated, the moving mold and the fixed mold are closed, and the fibers on the extrusion molding net are simultaneously vacuumed by the fixed mold and / or the moving mold. S14: Vacuum is applied to the moving mold, positive pressure is applied to the fixed mold, and the moving mold and fixed mold separate simultaneously; S15: High-pressure gas is injected from the moving mold, and the formed paper-plastic product detaches from the moving mold.

[0022] In some embodiments, the following steps are included: Q11: Before step S11, a fixed mold needs to be installed at the top of the drain cylinder, and then the filter cylinder is flipped over and covered on the drain cylinder; Q12: After step S15, the paper-plastic product that has been separated from the moving mold is placed into the mold of the drying equipment for drying.

[0023] Based on the above technical solution, the present invention has the following beneficial effects compared with the prior art: A forming mesh or fixed mold detachably connected to the drainage cylinder is installed on the top of the machine base. The filter media cylinder on the machine base is rotatably covered on the fixed mold. A drive mechanism is installed on the machine base, and a moving mold that presses against the fixed mold is installed on the drive mechanism. A vacuum mechanism is installed inside the machine base, and the vacuuming end of the vacuum mechanism is connected to both the moving mold and the drainage cylinder. In actual use, the fixed mold is placed on top of the drainage cylinder. First, the filter media cylinder is covered on the drainage cylinder. The drainage operation of the drainage cylinder and the vacuuming mechanism vacuum the drainage cylinder and the moving mold, forming the fibers in the filter media cylinder on the fixed mold. Then, the filter media cylinder is opened, and the drive mechanism drives the moving mold and the fixed mold to press against each other. At the same time, the vacuuming mechanism simultaneously vacuums the drainage cylinder and the moving mold, producing the formed fibers. The product undergoes dehydration treatment, reducing the moisture content of the formed fiber product from 90% to 40%-50%. Then, the vacuum pump in the drain cylinder stops, leaving the fixed mold under positive pressure or inactive, while the moving mold continues to be vacuumed. During the separation of the moving and fixed molds, the fiber product adheres to the moving mold. The vacuum pump on the moving mold then stops, and air jet treatment is applied to the moving mold using a vacuum device to achieve demolding of the fiber product. The resulting fiber product has a lower moisture content compared to the untreated product. This prevents bursting damage and damage to the internal structure of the fiber caused by excessive moisture during subsequent drying, thus improving drying efficiency, enhancing the quality of paper drying and forming, and ensuring the accuracy of subsequent experimental performance tests. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the structure of the formed mesh used in this invention; Figure 2 This is a schematic diagram of the structure of the fixed mold used in this invention; Figure 3 For the present invention Figure 2 Cross-sectional view; Figure 4 For the present invention Figure 2 Partial exploded view; Figure 5 For the present invention Figure 4 A magnified view of a portion of the image; Figure 6 This is a schematic diagram of the driving mechanism of the present invention; Figure 7 This is an exploded view of the drive mechanism of the present invention; Figure 8 This is a schematic diagram of the process of the present invention.

[0025] Explanation of reference numerals in the attached figures: 100. Base; 110. Drainage cylinder; 111. Fourth sealing ring; 120. Filter media cylinder; 121. Sealing ring groove; 130. Vacuuming mechanism; 200. Drive mechanism; 210. First connecting shaft; 220. First connecting rod; 230. Second connecting shaft; 240. Second connecting rod; 241. First connecting block; 242. First mounting groove; 243. Second connecting block; 244. Clamping hole; 245. Second mounting groove; 250. Third connecting shaft; 260. Swing cylinder; 270. Third connecting block; 280. Fourth connecting block; 300. Moving mold; 310. Elastic sealant; 320. Third sealing ring; 330. Limiting baffle; 340. Limiting block; 400. Fixed mold; 410. Three-dimensional forming mesh; 420. First sealing ring; 430. Second sealing ring. Detailed Implementation

[0026] To facilitate understanding of the present invention, specific embodiments of the present invention will be described in more detail below with reference to the accompanying drawings.

[0027] Unless otherwise specified or defined, the terms "first," "second," etc., used in this document are for distinguishing names only and do not represent a specific number or order.

[0028] Unless otherwise stated or defined, the term “and / or” as used herein includes any and all combinations of one or more of the related listed items.

[0029] It should be noted that in this article, "fixed to" or "connected to" can mean directly fixed to or connected to a component, or indirectly fixed to or connected to a component. Example

[0030] like Figure 1-7 As shown, the three-dimensional wet molding and demolding machine for fiber materials provided in this embodiment includes a base 100, a vacuum mechanism 130 is provided inside the base 100, and a drain cylinder 110 is provided inside the base 100. The top of the drain cylinder 110 extends to the top surface of the base 100, and the pipe of the vacuum end of the vacuum mechanism 130 is connected to the drain cylinder 110.

[0031] A rotatable filter media cylinder 120 is provided on the base 100. The filter media cylinder 120 cooperates with the drain cylinder 110. The bottom of the drain cylinder 110 is used to connect the inlet and outlet water pipes so that water can be drained and external water sources can enter the drain cylinder 110. It cooperates with the rotatable filter media cylinder 120 at the bottom of the base 100 to mix and stir the fibers in the filter media cylinder 120.

[0032] An installation groove is provided on the top of the drainage cylinder 110, and a detachable fixed mold 400 is provided in the installation groove. The fixed mold 400 is provided with interchangeable planar forming or three-dimensional forming mesh 410. When the planar forming mesh is used, the integrated machine is used for planar forming of fibers. When the three-dimensional forming mesh 410 is used, the integrated machine is used for three-dimensional forming of fibers.

[0033] A first sealing ring 420 is provided on the outer periphery of the fixed mold 400. The first sealing ring 420 and the top of the drain cylinder 110 are sealed together to ensure that the vacuuming mechanism 130 can perform vacuuming on the fixed mold 400 through the drain cylinder 110 when the fixed mold 400 is used.

[0034] A groove is made on the top of the base 100 around the drain cylinder 110 to prevent the drain cylinder 110 from being contaminated or even damaged when an external water supply source is connected to the drain cylinder 110 through a connecting pipe to clean the fixed mold 400.

[0035] A forming mesh 410 is provided on the fixed mold 400, and a second sealing ring 430 located on the outer periphery of the forming mesh 410 is provided on the fixed mold 400 to press the forming mesh 410 onto the fixed mold 400.

[0036] A fourth sealing ring 111 is provided at the top of the drain cylinder 110, and a sealing ring groove 121 is provided at the bottom of the filter media cylinder 120. When the filter media cylinder 120 is placed on the drain cylinder 110, the sealing ring groove 121 and the fourth sealing ring 111 are sealed together.

[0037] A drive mechanism 200 is provided on the base 100, and a moving mold 300 is provided on the drive mechanism 200. The moving mold 300 is pressed together with the fixed mold 400 and is used to drive the moving mold 300 to close or separate from the fixed mold 400.

[0038] The drive mechanism 200 includes a first connecting shaft 210 fixedly mounted on the top of the base 100, a first connecting rod 220 sleeved on the first connecting shaft 210, the first connecting rod 220 being rotatable along the circumferential direction of the first connecting shaft 210, a second connecting shaft 230 connected to the other end of the first connecting rod 220, the second connecting shaft 230 being rotatable relative to the first connecting rod 220, a second connecting rod 240 sleeved on the second connecting shaft 230, and a moving mold 300 provided on the second connecting rod 240.

[0039] Specifically, a first connecting block 241 is provided at one end of the first connecting rod 220, and a second connecting block 243 is provided at the other end. The first connecting block 241 is sleeved on the second connecting shaft 230 and can rotate in the circumferential direction of the second connecting shaft 230. A first mounting groove 242 is also provided on the first connecting block 241. The end of the second connecting rod 240 is located in the first mounting groove 242 and is rotatably connected to the first connecting block 241. Correspondingly, a second mounting groove 245 is provided on the second connecting block 243. The other end of the second connecting rod 240 is rotatably located in the second mounting groove 245 and connected to the second connecting block 243. A clamping hole 244 is provided on the second connecting block 243. A third connecting shaft 250 is provided in the clamping hole 244. The bottom of the third connecting shaft 250 extends to the bottom of the second connecting rod 240 and is connected to the moving mold 300.

[0040] In this embodiment, the second connecting rod 240 consists of two parallel rods. A third connecting block 270 is provided on the top rod, and a fourth connecting block 280 is provided on the top of the first connecting block 241. The driving mechanism 200 also includes a swing cylinder 260 for adjusting the height of the moving mold 300. The end of the swing cylinder 260 is rotatably connected to the fourth connecting block 280, and the telescopic end of the swing cylinder 260 is rotatably connected to the third connecting block 270. The telescopic end of the swing cylinder 260 is used to drive the two rods to swing between the first connecting block 241 and the second connecting block 243, thereby adjusting the height between the moving mold 300 and the fixed mold 400.

[0041] The vacuuming end of the vacuuming mechanism 130 inside the base 100 is connected to the moving mold 300 and is used to perform vacuuming on the moving mold 300.

[0042] An elastic sealant 310 is provided on the outer periphery of the moving mold 300, and a third sealing ring 320 is provided on the outer periphery of the elastic sealant 310. The third sealing ring 320 can expand and contract under the elastic action of the elastic sealant 310.

[0043] A plurality of limiting baffles 330 are provided on the top of the moving mold 300. A limiting block 340 is provided on the top of the third sealing ring 320 at a position corresponding to the limiting baffles 330. A first mounting hole is provided at the bottom of the limiting baffles 330 and a second mounting hole is provided at the top of the limiting block 340. An elastic element is provided between the limiting block 340 and the limiting baffles 330. One end of the elastic element is embedded in the first mounting hole and the other end is embedded in the second mounting hole. It is used to open the moving mold 300 and the third sealing ring 320. It is used to press the third sealing ring 320 and the first sealing ring 420 when the moving mold 300 and the fixed mold 400 are closed. Furthermore, the double-layer action of the elastic sealant 310 and the third sealing ring 320 improves the mold closing sealing performance of the moving mold 300 and the fixed mold 400.

[0044] In practical use, this embodiment can achieve two approaches: First, by using a planar forming mesh of the fixed mold 400 set on top of the drainage cylinder 110 and cooperating with the filter cylinder 120, the vacuum system inside the machine base 100 can be used to vacuum the drainage cylinder 110, thus achieving planar fiber forming. Second, by using a three-dimensional forming mesh 410 of the fixed mold 400 set on top of the drainage cylinder 110, the filter cylinder 120 is first placed on top of the drainage cylinder 110. The drainage operation of the drainage cylinder 110 and the vacuuming mechanism 130 vacuuming the drainage cylinder 110 and the moving mold 300 are used to three-dimensionally form the fibers inside the filter cylinder 120 on the fixed mold 400. Then, the filter cylinder 120 is opened, and the driving mechanism 200 drives the moving mold 300 and the fixed mold 400 to press together. Simultaneously, the vacuuming mechanism 130 performs vacuuming on the drainage cylinder 110 and the moving mold 300, thus achieving three-dimensional fiber forming. After molding, the fiber product undergoes dehydration treatment, reducing its moisture content from 90% to 40%-50%. Then, the drainage cylinder 110 stops vacuuming, leaving the fixed mold 400 under positive pressure or inactive, while the moving mold 300 continues vacuuming. During the separation of the moving mold 300 and the fixed mold 400, the fiber product adheres to the moving mold 300. Vacuuming of the moving mold 300 is then stopped, and air jetting is applied to the moving mold 300 via a vacuum device, achieving demolding of the fiber product from the moving mold 300. The resulting fiber product has significantly lower moisture content compared to untreated fiber products. This prevents bursting damage and damage to the internal structure of the fiber due to excessive moisture during subsequent drying, thereby improving drying efficiency, enhancing the quality of paper drying and forming, and ensuring the accuracy of subsequent experimental performance tests. Example

[0045] like Figure 8 As shown, this embodiment provides a method for demolding three-dimensional wet molding of fiber materials, applied to an integrated machine for demolding three-dimensional wet molding of fiber materials in Embodiment 1, including the following steps: S11: The fiber slurry inside the filter media cylinder 120 is stirred evenly; S12: Drainage cylinder 110 drains and filters, and the fiber inside the filter cylinder 120 is formed on the forming mesh 410 of the fixed mold 400; S13: The filter cylinder 120 is separated from the drain cylinder 110, the moving mold 300 and the fixed mold 400 are closed, and the fibers on the extruded mesh 410 are simultaneously vacuumed in the fixed mold 400 and / or the moving mold 300. S14: Vacuum is applied to the moving mold 300, positive pressure is applied to the fixed mold 400, and the moving mold 300 and the fixed mold 400 separate simultaneously; S15: High-pressure gas is injected from the moving mold 300, and the formed paper-plastic product is separated from the moving mold 300.

[0046] In step S14, during the vacuuming process of the moving mold 300, the positive pressure of the fixed mold 400 can be disabled, which also allows the formed paper-plastic product to follow the moving mold 300 and separate from the fixed mold 400 when the moving mold 300 and the fixed mold 400 are separated.

[0047] Furthermore, it also includes the following steps: Q11: Before step S11, a fixed mold 400 needs to be installed on the top of the drain cylinder 110, and then the filter cylinder 120 is flipped over and covered onto the drain cylinder 110. Q12: After step S15, the paper-plastic product that has been separated from the moving mold 300 is placed into the mold of the drying equipment for drying.

[0048] The actual operating steps are as follows: Place the fixed mold 400 on top of the drainage cylinder 110; Rotate the filter media cylinder 120 so that it covers the drain cylinder 110; The external water supply source connected to the drainage cylinder 110 is the water supply for both the drainage cylinder 110 and the filter cylinder 120; Pour the fiber material required for molding into the filter media cylinder 120, and the fiber material is thoroughly stirred inside the filter media cylinder 120; The drainage cylinder 110 drains water, and the fibers inside the filter cylinder 120 are evenly laid on the three-dimensional forming mesh 410 of the fixed mold 400. Open the filter media cylinder 120, and use the drive mechanism 200 to close the moving mold 300 and the fixed mold 400; The vacuuming mechanism 130 performs vacuuming treatment on the fixed mold 400 and the moving mold 300, and performs vacuuming dehydration treatment on the molded product on the three-dimensional molding mesh 410. When the vacuuming mechanism 130 stops vacuuming the fixed mold 400, the moving mold 300 is under positive pressure. During the continuous vacuuming process of the moving mold 300, the moving mold 300 and the fixed mold 400 separate. The molded product adheres to the fixed mold 400. Then, the vacuuming mechanism 130 stops the vacuuming process of the moving mold 300 and blows air into the moving mold 300, causing the molded product to detach from the moving mold 300.

[0049] Based on the disclosure and teachings of the foregoing specification, those skilled in the art can make changes and modifications to the above embodiments. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should also fall within the protection scope of the claims of the present invention. Furthermore, although some specific terms are used in this specification, these terms are only for convenience of explanation and do not constitute any limitation on the present invention.

Claims

1. A three-dimensional wet forming and demolding integrated machine for fiber materials, characterized in that, include: Base (100); A drain cylinder (110) is provided on the machine base (100), with the top of the drain cylinder (110) located on the top surface of the machine base (100); A fixed mold (400) is disposed on the drainage cylinder (110); The filter media cylinder (120) is mounted on the machine base (100) and rotatably covers the forming mesh (410) or the fixed mold (400); A drive mechanism (200) is mounted on the base (100); The moving mold (300) is mounted on the driving mechanism (200) and is pressed together with the fixed mold (400) under the drive of the driving mechanism (200); A vacuuming mechanism (130) is provided inside the base (100), and the vacuuming end of the vacuuming mechanism (130) is connected to the drain cylinder (110) and the moving mold (300). An installation groove is provided on the top of the drainage cylinder (110), and the fixed mold (400) is detachably connected to the installation groove; The forming mesh (410) is a planar forming mesh or a three-dimensional forming mesh, and can be alternatively disposed on the fixed mold (400); The drive mechanism (200) includes: The first connecting shaft (210) is disposed on the base (100); The first connecting rod (220) is sleeved on the first connecting shaft (210) at its end and can rotate in the circumferential direction of the first connecting shaft (210); The second connecting shaft (230) is located at the other end of the first connecting rod (220); The second connecting rod (240) is sleeved on the second connecting shaft (230) at its end and can rotate in the circumferential direction of the second connecting shaft (230). The moving mold (300) is located at the bottom of the other end of the second connecting rod (240). The first connecting block (241) is located at the end of the second connecting rod (240), is sleeved on the second connecting shaft (230), and can rotate in the circumferential direction of the second connecting shaft (230); The first mounting groove (242) is opened on the side of the first connecting block (241) facing the moving mold (300), and the top and bottom are open; The swing cylinder (260) is located above the second connecting rod (240), with its telescopic end connected to the second connecting rod (240) and its other end located in the first mounting groove (242), and rotatably connected to the first connecting block (241).

2. The fiber material three-dimensional wet forming and demolding integrated machine of claim 1, wherein, include: The first sealing ring (420) is disposed on the outer periphery of the fixed mold (400); The second sealing ring (430) is disposed on the fixed mold (400), and the outer periphery of the forming mesh (410) is disposed between the second sealing ring (430) and the fixed mold (400).

3. The fiber material three-dimensional wet forming and demolding integrated machine of claim 2, wherein, include: Elastic sealant (310) is provided on the outer periphery of the bottom of the moving mold (300); The third sealing ring (320) is disposed on the outer periphery of the elastic sealant (310), and its bottom is in contact with the first sealing ring (420).

4. The three-dimensional wet molding and demolding integrated machine for fiber materials as described in claim 3, characterized in that, include: Several limiting baffles (330) are disposed on the top of the moving mold (300) and arranged in a ring array along the center of the moving mold (300); A limiting block (340) is provided on the top surface of the third sealing ring (320) and is in a limiting cooperation with the limiting baffle (330); The first mounting hole is located at the bottom end of the limiting baffle (330); The second mounting hole is provided at the top of the limiting block (340); An elastic element is disposed between the limiting block (340) and the limiting baffle (330), with one end embedded in the first mounting hole and the other end embedded in the second mounting hole.

5. The three-dimensional wet molding and demolding integrated machine for fiber materials as described in any one of claims 1-4, characterized in that, include: The second connecting block (243) is disposed on the end of the second connecting rod (240) away from the second connecting shaft (230); A clamping hole (244) is provided on the second connecting block (243); The third connecting shaft (250) is located inside the clamping hole (244), and its bottom end extends to the bottom of the second connecting block (243) and is connected to the moving mold (300).

6. The three-dimensional wet molding and demolding integrated machine for fiber materials as described in any one of claims 1-4, characterized in that, include: The first channel and the second channel are both located on the vacuum mechanism (130) and are both connected to the top of the moving mold (300); Several air holes are formed on the fixed mold (400) and are connected to the first channel and the second channel.

7. A method for demolding three-dimensional wet molding of fiber materials, characterized in that, The three-dimensional wet molding and demolding machine for fiber materials as described in claim 6 includes the following steps: S11: The fiber slurry inside the filter media cylinder (120) is stirred evenly; S12: Drainage cylinder (110) drains and filters, and the fiber inside the filter cylinder (120) is formed on the forming mesh (410) of the fixed mold (400); S13: The filter cylinder (120) and the drain cylinder (110) are separated, the moving mold (300) and the fixed mold (400) are closed, and the fibers on the extruded mesh (410) are simultaneously evacuated by the fixed mold (400) and / or the moving mold (300); S14: Vacuum is drawn on the moving mold (300), positive pressure is applied to the fixed mold (400), and the moving mold (300) and the fixed mold (400) separate at the same time; S15: High-pressure gas is injected from the moving mold (300), and the formed paper-plastic product is removed from the moving mold (300).

8. The three-dimensional wet molding and demolding method for fiber materials as described in claim 7, characterized in that, Includes the following steps: Q11: Before step S11, a fixed mold (400) needs to be installed on the top of the drain cylinder (110), and then the filter cylinder (120) is flipped over and covered on the drain cylinder (110); Q12: After step S15, the paper-plastic product that has been separated from the moving mold (300) is placed into the mold of the drying equipment for drying.

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