A paper machine forming and dewatering apparatus

Abstract

This invention provides a paper forming and dewatering device comprising: a shell parallel to the ground; four shaping rollers rotatably mounted at the four corners of the shell; multiple wet towels sequentially sleeved on the four shaping rollers, the multiple wet towels being evenly distributed along the width direction of the shell and having gaps between them; and two drying hoods mounted opposite each other at one end of the shell and located on the upper and lower sides of the wet towels, respectively. When the squeezed paper is conveyed above a first rotating column, a drive motor drives the first rotating column to rotate. Lifting blocks on the surface of the first rotating column can lift the paper, separating it from the wet towels for easy drying. The arc-shaped surface facilitates lifting the paper, and the gaps between the multiple wet towels facilitate drainage and the lifting of the paper by the lifting blocks.

Description

Technical Field

[0001] This invention relates to the field of papermaking equipment, and in particular to a papermaking machine forming and dewatering device. Background Technology

[0002] Papermaking is an important invention of the ancient Han Chinese working people. It is divided into two forms: machine-made and handmade. Machine-made papermaking is carried out continuously on a papermaking machine. Pulp suitable for paper quality is diluted with water to a certain concentration, and then initially dewatered on the wire section of the papermaking machine to form a wet sheet. It is then pressed to dewater again and finally dried to form paper.

[0003] The prior art can be referenced to Chinese authorized invention patent with publication number CN106988145B, which specifically describes a dewatering device for a paper machine, including a base. A frame is provided on the upper surface of the base. A first press roller is connected to the frame via a first fixing rod provided on one side of the frame. A second press roller is provided below the first press roller. The first and second press rollers are connected by a wet towel. The second press roller is connected to the frame via a second fixing rod provided on one side of the frame. A support frame is provided on one side of the frame. A third press roller is provided on the support frame. A fixing frame is provided on one side of the support frame. A roll is provided on the fixing frame.

[0004] The aforementioned existing technology has the following shortcomings in actual implementation: the paper and the wet towel stick together after being squeezed and dehydrated, making it difficult to dry the paper quickly during subsequent air drying, resulting in slow drying efficiency. Summary of the Invention

[0005] To address the aforementioned problems, this invention proposes a paper machine forming and dewatering device to solve the problem in the prior art where the paper and wet towel stick together after being squeezed and dewatered, making it difficult to quickly dry the paper during subsequent air drying and resulting in slow drying efficiency.

[0006] To achieve the above objectives, the present invention provides a paper machine forming and dewatering device comprising: a shell parallel to the ground;

[0007] Four shaping rollers are respectively rotatably installed at the four corners of the housing;

[0008] Multiple wet towels are sequentially wrapped around the four shaping rollers, and the multiple wet towels are distributed at equal intervals along the width direction of the shell and there are gaps between the multiple wet towels;

[0009] Two drying covers are mounted opposite each other at one end of the housing and are located on the upper and lower sides of the wet towel, respectively.

[0010] Two first rotating columns are installed at both ends of the air drying hood in a relatively rotatable manner. A plurality of lifting blocks are provided on one side of the first rotating columns, and an arc-shaped surface is provided at one end of each lifting block.

[0011] The plurality of lifting blocks are distributed at equal intervals along the axial direction of the first rotating column, and the lifting blocks are located in the gap between two adjacent wet towels;

[0012] A second rotating shaft is rotatably mounted at both ends of the two first rotating columns. A drive motor is fixedly mounted on one side wall of the housing, and the output end of the drive motor is fixedly connected to the second rotating shaft at one end of one of the first rotating columns.

[0013] The second rotating shafts on the other end of the two first rotating columns pass through the housing and are jointly sleeved with a third synchronous belt;

[0014] Two air coolers are installed on both the top and bottom sides of the air drying hood;

[0015] The other end of the shell is provided with a squeezing member for squeezing and dehydration.

[0016] Furthermore, a support block is fixedly arranged between the two first rotating columns, an air supply pipe is fixedly installed in the middle of the support block, and multiple airbags are arranged on the top of the support block. The multiple airbags are distributed at equal intervals along the axial direction of the air supply pipe and are all located in the gaps between the multiple wet towels.

[0017] The airbag covers the air supply pipe and is connected to the air supply pipe;

[0018] The outer wall of the housing is provided with an air supply structure, which is connected to the air supply pipe;

[0019] Firstly, a fourth synchronous belt is fitted onto the second rotating shaft at both ends of the first rotating column, and the fourth synchronous belt is connected to the air supply structure.

[0020] The air supply structure includes a fan box installed on both sides of the housing, a third rotating shaft rotatably installed inside the fan box, and multiple fan blades arranged on the third rotating shaft;

[0021] One end of the fourth synchronous belt is sleeved with the third rotating shaft;

[0022] One end of the fan box extends into the interior of the shell and is connected to a funnel-shaped concentrator, the narrow end of which is connected to the air supply pipe.

[0023] The airbag has air inlets on both sides of its bottom, and the air supply pipe has air outlets on both sides of its top, with the air outlets connected to the air inlets.

[0024] Multiple air vents are provided on both sides of the top of the airbag.

[0025] Furthermore, a gear reducer is fixedly installed on the outer wall of the housing. A second synchronous belt is sleeved on a second rotating shaft at one end of the first rotating column. One end of the second synchronous belt is connected to the gear reducer. The other end of the gear reducer is connected to the first rotating shaft. One end of the first rotating shaft extends into the interior of the housing and is connected to the second rotating column. A plurality of squeezing blocks are provided on the second rotating column. The squeezing blocks are in contact with the surface of the wet towel.

[0026] A third extrusion roller is rotatably mounted inside the housing, and the third extrusion roller is opposite to the second rotating column. A scraper is rotatably mounted inside the housing via a torsion spring.

[0027] Furthermore, the extrusion member includes two first extrusion rollers mounted opposite each other at the top of the other end of the housing, and two second extrusion rollers rotatably mounted opposite each other inside the housing, with the wet towel located between the second extrusion rollers and the first extrusion rollers;

[0028] The outer wall of the housing is provided with a motor, and the output end of the motor is connected to one of the first extrusion rollers thereon;

[0029] A first synchronous belt is connected between the two first extrusion rollers.

[0030] Furthermore, a water storage tank is fixedly installed inside the housing, the water storage tank is located below the second extrusion roller, and the water storage tank is connected to an outlet pipe by a water pump.

[0031] Furthermore, a protective shell for protecting the second rotating shaft and the drive motor is fixedly provided on the outer wall of the housing.

[0032] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0033] 1. When the squeezed paper is conveyed to the top of the first rotating column, the first rotating column is driven to rotate by the drive motor. The paper can be lifted by the lifting block on the surface of the first rotating column, so that the paper is separated from the wet towel and it is convenient to air dry. The arc-shaped surface is designed to facilitate the lifting of the paper, and the gaps between multiple wet towels facilitate drainage and the lifting block to lift the paper.

[0034] Second, when the first rotating column rotates, the fourth synchronous belt drives the third rotating shaft to rotate. The fan blades deliver air into the air duct and then into the airbag, causing the airbag to inflate. The inflated airbag lifts the paper, keeping it detached from the wet towel for easier drying. At the same time, the air inside the airbag is slowly discharged through the air outlet, further accelerating the drying process.

[0035] Third, the second rotating column and squeezing block facilitate the removal of paper scraps adhering to the wet towel. The second synchronous belt and gear reducer drive the second rotating column to rotate when the first rotating column rotates. The scraper can scrape off the paper scraps on the squeezing block, ensuring a good cleaning effect.

[0036] To better understand and implement this invention, the following detailed description is provided in conjunction with the accompanying drawings. Attached Figure Description

[0037] Figure 1 This is a schematic diagram of the first three-dimensional structure of the present invention;

[0038] Figure 2 This is a schematic diagram of the second three-dimensional structure of the present invention;

[0039] Figure 3 This is a schematic diagram of the third three-dimensional structure in this invention;

[0040] Figure 4 This is a schematic diagram of the internal structure of the shell in this invention;

[0041] Figure 5 This is a partial structural schematic diagram of the present invention;

[0042] Figure 6 This is an appendix to the present invention. Figure 4 Enlarged view of A in the middle;

[0043] Figure 7 This is an appendix to the present invention. Figure 4 Enlarged view of B in the middle;

[0044] Figure 8 This is a perspective view of the air duct in this invention;

[0045] Figure 9 This is a cross-sectional view of the airbag in this invention;

[0046] Figure 10 This is a cross-sectional view of the fan casing in this invention;

[0047] Figure 11 This is a perspective view of the fan casing in this invention.

[0048] In the diagram: 1. Housing; 2. Wet towel; 3. First extrusion roller; 4. First synchronous belt; 5. Drying hood; 6. Air cooler; 7. Protective shell; 8. Second synchronous belt; 9. Gear reducer; 10. First rotating shaft; 11. Drive motor; 12. Second rotating shaft; 13. Third synchronous belt; 14. Fourth synchronous belt; 15. Fan box; 16. Third rotating shaft; 17. Water outlet pipe; 18. Air supply pipe; 19. Support block; 20. Airbag; 21. First rotating column; 22. Shaping roller; 23. Water tank; 24. Second extrusion roller; 25. Third extrusion roller; 26. Lifting block; 27. Arc-shaped surface; 28. Second rotating column; 29. ​​Extrusion block; 30. Scraper; 31. Air outlet; 32. Air outlet; 33. Air inlet; 34. Fan blade; 35. Concentrating cylinder. Detailed Implementation

[0049] To provide a clearer understanding of the technical features, objectives, and effects of the present invention, specific embodiments of the present invention will now be described with reference to the accompanying drawings. However, the scope of protection of the present invention is not limited to the following description.

[0050] Reference Figure 1-11 As shown, a paper machine forming and dewatering device includes: a shell 1 parallel to the ground;

[0051] Four shaping rollers 22 are respectively rotatably installed at the four corners of the housing 1;

[0052] Multiple wet towels 2 are sequentially mounted on four shaping rollers 22. The multiple wet towels 2 are evenly distributed along the width direction of the shell 1 and there are gaps between the multiple wet towels 2.

[0053] Two drying covers 5 are mounted opposite each other at one end of the housing 1 and located on the upper and lower sides of the wet towel 2 respectively;

[0054] Two first rotating columns 21 are installed at both ends of the air drying hood 5 in a relatively rotatable manner. Several lifting blocks 26 are provided on one side of the first rotating columns 21, and an arc-shaped surface 27 is provided at one end of the lifting block 26.

[0055] Multiple lifting blocks 26 are evenly distributed along the axial direction of the first rotating column 21, and the lifting blocks 26 are located in the gap between two adjacent wet towels 2;

[0056] Two first rotating columns 21 are each rotatably mounted with a second rotating shaft 12 at both ends. A drive motor 11 is fixedly mounted on one side wall of the housing 1. The output end of the drive motor 11 is fixedly connected to the second rotating shaft 12 on one end of one of the first rotating columns 21.

[0057] The second rotating shaft 12 on the other end of the two first rotating columns 21 passes through the housing 1 and is connected to the third synchronous belt 13;

[0058] Two air coolers 6 are installed on both the top and bottom sides of the air drying hood 5;

[0059] The other end of the housing 1 is provided with a squeezing member for squeezing and dehydration.

[0060] This invention provides a technical solution in which paper is conveyed using multiple wet towels 2. A compression component squeezes, drains, and shapes the paper. A motor drives a shaping roller 22, which in turn rotates the wet towels 2. When the squeezed paper is conveyed above a first rotating column 21, a drive motor 11 rotates the first rotating column 21. Lifting blocks 26 on the surface of the first rotating column 21 lift the paper, separating it from the wet towels for easy drying. An arc-shaped surface 27 further facilitates lifting, and gaps between the multiple wet towels 2 allow for drainage and paper lifting by the lifting blocks 26. A third synchronous belt 13 enables the two first rotating columns 21 to rotate synchronously.

[0061] Preferably, a support block 19 is fixedly arranged between the two first rotating columns 21, an air supply pipe 18 is fixedly installed in the middle of the support block 19, and a plurality of air bags 20 are arranged on the top of the support block 19. The plurality of air bags 20 are evenly distributed along the axial direction of the air supply pipe 18 and are all located in the gap between the plurality of wet towels 2.

[0062] The airbag 20 covers and is connected to the air supply pipe 18;

[0063] The outer wall of the housing 1 is provided with an air supply structure, which is connected to the air supply pipe 18;

[0064] Firstly, the second rotating shafts 12 at both ends of the first rotating column 21 are fitted with fourth synchronous belts 14, which are connected to the air supply structure.

[0065] The air supply structure includes a fan box 15 installed on both sides of the housing 1, a third rotating shaft 16 rotatably installed inside the fan box 15, and a plurality of fan blades 34 disposed on the third rotating shaft 16.

[0066] One end of the fourth synchronous belt 14 is sleeved with the third rotating shaft 16;

[0067] One end of the fan box 15 extends into the interior of the housing 1 and is connected to a funnel-shaped concentrator 35. The narrow end of the concentrator 35 is connected to the air supply pipe 18.

[0068] Air inlets 33 are provided on both sides of the bottom of the airbag 20, and air outlets 31 are provided on both sides of the top of the air supply pipe 18. The air outlets 31 are connected to the air inlets 33.

[0069] Multiple air vents 32 are provided on both sides of the top of the airbag 20.

[0070] Specifically, when the first rotating column 21 rotates, the fourth synchronous belt 14 drives the third rotating shaft 16 to rotate. The fan blades 34 deliver air into the air duct 18 and then into the airbag 20, causing the airbag 20 to inflate. The inflated airbag 20 lifts the paper, keeping it detached from the wet towel 2, facilitating paper drying. At the same time, the air inside the airbag 20 is slowly discharged through the air outlet 32, accelerating the drying of the paper.

[0071] Preferably, a gear reducer 9 is fixedly installed on the outer wall of the housing 1. A second synchronous belt 8 is sleeved on a second rotating shaft 12 at one end of a first rotating column 21. One end of the second synchronous belt 8 is connected to the gear reducer 9, and the other end of the gear reducer 9 is connected to a first rotating shaft 10. One end of the first rotating shaft 10 extends into the interior of the housing 1 and is connected to a second rotating column 28. A plurality of squeezing blocks 29 are provided on the second rotating column 28, and the squeezing blocks 29 are in contact with the surface of the wet towel 2.

[0072] The housing 1 is equipped with a third extrusion roller 25 that rotates inside the housing. The third extrusion roller 25 is opposite to the second rotating column 28. The housing 1 is equipped with a scraper 30 that rotates inside the housing via a torsion spring.

[0073] Specifically, the second rotating column 28 and the squeezing block 29 facilitate the scraping of paper scraps adhering to the wet towel 2. The second synchronous belt 8 and the gear reducer 9 can drive the second rotating column 28 to rotate when the first rotating column 21 rotates. The scraper 30 can scrape off the paper scraps on the squeezing block 29 to ensure the cleaning effect.

[0074] Preferably, the extrusion component includes two first extrusion rollers 3 mounted opposite each other at the top of the other end of the housing 1, two second extrusion rollers 24 rotatably mounted opposite each other inside the housing 1, and the wet towel 2 is located between the second extrusion rollers 24 and the first extrusion rollers 3;

[0075] A motor is provided on the outer wall of the housing 1, and the output end of the motor is connected to one of its first extrusion rollers 3;

[0076] A first synchronous belt 4 is connected between the two first extrusion rollers 3.

[0077] Specifically, the paper can be squeezed and drained by the first squeeze roller 3 and the second squeeze roller 24.

[0078] Preferably, a water storage tank 23 is fixedly installed inside the housing 1. The water storage tank 23 is located below the second extrusion roller 24, and the water storage tank 23 is connected to an outlet pipe 17 by a water pump.

[0079] Specifically, the water can be collected by the water storage tank 23 and discharged conveniently by the water pump and the outlet pipe 17.

[0080] Preferably, a protective shell 7 for protecting the second rotating shaft 12 and the drive motor 11 is fixedly provided on the outer wall of the housing 1.

[0081] Workflow: During use, multiple wet towels 2 are used to convey paper. A compression component squeezes, drains, and shapes the paper. A motor drives a shaping roller 22, which in turn rotates the wet towels 2. When the squeezed paper is conveyed above the first rotating column 21, a drive motor 11 rotates the first rotating column 21. Lifting blocks 26 on the surface of the first rotating column 21 lift the paper, separating it from the wet towels for easy drying. An arc-shaped surface 27 further facilitates lifting the paper, and the gaps between the multiple wet towels 2 allow for drainage and paper lifting by the lifting blocks 26. A third synchronous belt 13 enables the two first rotating columns 21 to rotate synchronously.

[0082] When the first rotating column 21 rotates, the fourth synchronous belt 14 drives the third rotating shaft 16 to rotate. The fan blades 34 deliver air into the air duct 18 and then into the airbag 20, causing the airbag 20 to inflate. The inflated airbag 20 lifts the paper, keeping it detached from the wet towel 2, facilitating paper drying. At the same time, the air inside the airbag 20 is slowly discharged through the air outlet 32, accelerating the drying of the paper.

[0083] The second rotating column 28 and the squeezing block 29 facilitate the scraping of paper scraps adhering to the wet towel 2. The second synchronous belt 8 and the gear reducer 9 can drive the second rotating column 28 to rotate when the first rotating column 21 rotates. The scraper 30 can scrape off the paper scraps on the squeezing block 29 to ensure cleaning effect.

[0084] The above-disclosed embodiments are merely preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. Therefore, equivalent variations made in accordance with the claims of the present invention are still within the scope of the present invention.

Claims

1. A paper machine forming and dewatering apparatus characterized by, include: A shell parallel to the ground (1); Four shaping rollers (22) are respectively rotatably installed at the four corners of the housing (1); Multiple wet towels (2) are sequentially mounted on four shaping rollers (22). The multiple wet towels (2) are evenly distributed along the width direction of the shell (1) and there are gaps between the multiple wet towels (2). Two drying covers (5) are installed opposite each other at one end of the housing (1) and located on the upper and lower sides of the wet towel (2). Two first rotating columns (21) are installed at both ends of the air drying hood (5) in a relatively rotatable manner. A plurality of lifting blocks (26) are provided on one side of the first rotating column (21), and an arc-shaped surface (27) is provided at one end of the lifting block (26). The multiple lifting blocks (26) are distributed at equal intervals along the axial direction of the first rotating column (21), and the lifting blocks (26) are located in the gap between two adjacent wet towels (2); A second rotating shaft (12) is rotatably mounted on both ends of the two first rotating columns (21). A drive motor (11) is fixedly mounted on one side wall of the housing (1). The output end of the drive motor (11) is fixedly connected to the second rotating shaft (12) on one end of one of the first rotating columns (21). The second rotating shaft (12) on the other end of the two first rotating columns (21) passes through the housing (1) and is connected to the third synchronous belt (13). Two air coolers (6) are provided on the upper and lower sides of the air drying hood (5). The other end of the housing (1) is provided with a squeezing member for squeezing and dehydration.

2. A paper machine forming dehydrating device according to claim 1, characterized in that: A support block (19) is fixedly arranged between the two first rotating columns (21). An air supply pipe (18) is fixedly installed in the middle of the support block (19). A plurality of air bags (20) are arranged on the top of the support block (19). The plurality of air bags (20) are evenly distributed along the axial direction of the air supply pipe (18) and are all located in the gap between the plurality of wet towels (2). The airbag (20) covers the air supply pipe (18) and is connected to the air supply pipe (18); The outer wall of the housing (1) is provided with an air supply structure, which is connected to the air supply pipe (18); Firstly, the second rotating shafts (12) at both ends of the first rotating column (21) are fitted with a fourth synchronous belt (14), which is connected to the air supply structure.

3. A forming dehydrating device for a paper machine according to claim 2, characterized in that: The air supply structure includes a fan box (15) installed on both sides of the housing (1), a third rotating shaft (16) rotatably installed inside the fan box (15), and a plurality of fan blades (34) arranged on the third rotating shaft (16). One end of the fourth synchronous belt (14) is sleeved with the third rotating shaft (16); One end of the fan box (15) extends into the interior of the housing (1) and is connected to a funnel-shaped concentrator (35), the narrow end of which is connected to the air duct (18).

4. A forming dehydrating apparatus for a paper machine according to claim 2, characterized in that: The airbag (20) has air inlets (33) on both sides of its bottom, and the air duct (18) has air outlets (31) on both sides of its top. The air outlets (31) are connected to the air inlets (33).

5. A forming dehydrating apparatus for a paper machine according to claim 2, characterized in that: Multiple air vents (32) are provided on both sides of the top of the airbag (20).

6. A paper machine forming de-watering device according to claim 1, characterized in that: A gear reducer (9) is fixedly installed on the outer wall of the housing (1). A second synchronous belt (8) is sleeved on a second rotating shaft (12) at one end of the first rotating column (21). One end of the second synchronous belt (8) is connected to the gear reducer (9). The other end of the gear reducer (9) is connected to a first rotating shaft (10). One end of the first rotating shaft (10) extends into the interior of the housing (1) and is connected to a second rotating column (28). A plurality of extrusion blocks (29) are provided on the second rotating column (28). The extrusion blocks (29) are in contact with the surface of the wet towel (2).

7. A paper machine forming and de watering apparatus according to claim 6 wherein: The housing (1) is rotatably equipped with a third extrusion roller (25), which is opposite to the second rotating column (28). The housing (1) is equipped with a scraper (30) rotatably mounted inside by a torsion spring.

8. A paper machine forming de-watering device according to claim 1 characterized in that: The extrusion component includes two first extrusion rollers (3) mounted opposite each other on the top of the other end of the housing (1), and two second extrusion rollers (24) rotatably mounted opposite each other inside the housing (1), with the wet towel (2) located between the second extrusion rollers (24) and the first extrusion rollers (3); The outer wall of the housing (1) is provided with a motor, and the output end of the motor is connected to one of its first extrusion rollers (3); A first synchronous belt (4) is connected between the two first extrusion rollers (3).

9. A paper machine forming and de-watering apparatus as claimed in claim 8 wherein: A water storage tank (23) is fixedly installed inside the housing (1). The water storage tank (23) is located below the second extrusion roller (24). The water storage tank (23) is connected to a water outlet pipe (17) by a water pump.

10. A paper machine forming and de watering apparatus according to claim 1 characterized by: The outer wall of the housing (1) is fixedly provided with a protective shell (7) for protecting the second rotating shaft (12) and the drive motor (11).

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