Vacuum press roll for papermaking equipment

Abstract

The utility model relates to the technical field of papermaking equipment, in particular to a vacuum press roll for papermaking equipment, which comprises a bottom plate, a press roll body is arranged above the bottom plate, one side of the press roll body is provided with a first rack, and the outer surface of the first rack is fixedly connected with cleaning brushes arranged at equal intervals. A tooth block is arranged below the first rack, and a second rack is arranged below the tooth block, so that the first rack, the second rack and other components are arranged, and the first rack and the second rack are matched with each other, so that the tooth block can drive the first rack and the second rack to alternately slide through rotation; therefore, the effect that the cleaning brush is driven to reciprocate through the first rack and the second rack is achieved, and the defect that holes of the press roll body are inconvenient to clean through an advanced technical scheme is overcome.

Description

Technical Field

[0001] This application relates to the technical field of papermaking equipment, and in particular to a vacuum press roll for papermaking equipment. Background Technology

[0002] Press rolls are the main components of the pressing unit. There are many types of press rolls. Older paper machines mostly used flat press rolls in the press section. As paper machine speeds increased, vacuum press rolls began to be used, followed by grooved press rolls. In the 1970s, blind-hole press rolls and controllable medium-high rolls were researched and developed. After absorbing the advantages of vacuum press rolls, grooved rolls, and blind-hole rolls, several other new types of press rolls subsequently emerged. In the 1980s and 1990s, wide-zone presses and shoe presses for high-speed paper machines were developed. Researchers have never stopped developing new types of press rolls. The purpose of developing new press rolls is to improve dewatering efficiency, improve paper quality, and reduce the adverse effects of pressing on the paper industry.

[0003] A search revealed Chinese Patent Publication No. CN218282781U, which discloses a vacuum press roll cleaning device. The device includes a roller shaft and a roller body. The roller shaft is rotatably supported on a bracket. A cleaning assembly is located on one side of the roller body. The cleaning assembly includes a scraper disposed on one side of the roller body. The scraper is inclined downwards, and a guide groove is located below the scraper. A cleaning plate is located above the scraper. A transmission mechanism is provided between the cleaning plate and the roller shaft. The cleaning plate moves on the upper surface of the scraper through the transmission mechanism, cleaning the pulp adhering to the scraper. This vacuum press roll cleaning device prevents roller blockage by cleaning the roller body surface with a scraper and collects pulp through the guide groove. Simultaneously, the transmission mechanism, cross rail, and connecting parts allow the cleaning plate to indirectly clean the scraper, preventing pulp accumulation on the scraper.

[0004] Regarding the aforementioned related technologies, the inventors have discovered the following drawbacks: In the prior art, the roller body is scraped by a scraper, which is not convenient for cleaning the pulp adhering inside the holes. In order to solve the deficiency of the prior art in that it is not convenient to clean the holes of the press roller, this application uses a toothed block to drive the first and second toothed racks to slide, so that the first and second toothed racks can drive the cleaning brush to reciprocate, thereby achieving the effect of cleaning the holes of the press roller body. Utility Model Content

[0005] To facilitate the cleaning of the holes in the press roll body, this application provides a vacuum press roll for papermaking equipment.

[0006] This application provides a vacuum press roll for papermaking equipment, employing the following technical solution: A vacuum press roll for papermaking equipment includes a base plate, a press roll body is disposed above the base plate, a first rack is disposed on one side of the press roll body, cleaning brushes arranged at equal intervals are fixedly connected to the outer surface of the first rack, a toothed block is disposed below the first rack, a second rack is disposed below the toothed block, two linkage bars are fixedly connected to both ends of the first rack, a drive box is fixedly connected to the upper surface of the base plate, two support plates are fixedly connected to the upper surface of the base plate, a first gear is fixedly connected to the outer surface of the toothed block, a first pulley is rotatably connected to the inner wall of the drive box, and a second gear is fixedly connected to the first pulley.

[0007] Optionally, a collection box is fixedly connected to the upper surface of the base plate, and a scraper and a guide plate are provided above the collection box. Both ends of the scraper and the guide plate are fixedly connected to the corresponding support plates.

[0008] Optionally, a motor is fixedly installed on the upper surface of the base plate, and a second pulley is rotatably connected to the inner wall of the drive box, with the second pulley being driven by a first transmission belt.

[0009] Optionally, a third pulley is fixedly connected to both ends of the press roller body, each of the third pulleys is driven by a second drive belt, and each of the second drive belts is driven by a fourth pulley (21).

[0010] Optionally, a third gear is rotatably connected to the inner wall of the drive box, and the third gear is fixedly connected to the drive shaft.

[0011] Optionally, a fourth gear is rotatably connected to the inner wall of the drive box, and the fourth gear is fixedly connected to a transmission rod.

[0012] Optionally, two slide bars are fixedly connected to the outer surface of the drive box, and each slide bar is slidably connected to the interior of the corresponding linkage bar.

[0013] In summary, this application includes the following beneficial technical effects:

[0014] 1. This utility model, by setting components such as a first rack and a second rack, and through the mutual cooperation between the first rack and the second rack, enables the tooth block to rotate and drive the first rack and the second rack to slide alternately, thereby achieving the effect of the utility model driving the cleaning brush to reciprocate through the first rack and the second rack, thus solving the deficiency of advanced technical solutions in that it is not convenient to clean the holes of the press roller body.

[0015] 2. This utility model, by providing components such as a connecting bar and a sliding rod, achieves the effect of supporting and limiting the first and second racks by means of the cooperation between the connecting bar and the sliding rod. When the toothed block drives the first rack or the second rack to slide, the connecting bar can slide on the outer surface of the corresponding sliding rod. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure in an embodiment of this application;

[0017] Figure 2 This is a schematic diagram of the structure of the collection box in the embodiments of this application;

[0018] Figure 3 This is a schematic diagram of the drive box structure in an embodiment of this application;

[0019] Figure 4 This is a schematic diagram of the structure of the first gear in the embodiment of this application.

[0020] Reference numerals: 1. Base plate; 2. Press roller body; 3. First rack; 4. Cleaning brush; 5. Tooth block; 6. Second rack; 7. Linkage bar; 8. Drive box; 9. Support plate; 10. First gear; 11. First pulley; 12. Second gear; 13. Collection box; 14. Scraper; 15. Guide plate; 16. Motor; 17. Second pulley; 18. First transmission belt; 19. Third pulley; 20. Second transmission belt; 21. Fourth pulley; 22. Third gear; 23. Drive shaft; 24. Fourth gear; 25. Transmission rod; 26. Slide rod. Detailed Implementation

[0021] The following is in conjunction with the appendix Figure 1-4 The figure provides a further detailed description of this application.

[0022] This application discloses a vacuum press roll for papermaking equipment. For example... Figure 1 , 2As shown in Figures 3 and 4, a vacuum press roll for papermaking equipment includes a base plate 1. A collection box 13 is fixedly connected to the upper surface of the base plate 1. A press roll body 2 is disposed above the base plate 1. A drive box 8 is fixedly connected to the upper surface of the base plate 1. The press roll body 2 is located above the collection box 13. A first rack 3 is disposed on one side of the press roll body 2. The first rack 3 is slidably connected to the outer surface of the drive box 8. Cleaning brushes 4 arranged at equal intervals are fixedly connected to the outer surface of the first rack 3. A toothed block 5 is disposed below the first rack 3. The toothed block 5 meshes with the first rack 3. A second rack 6 is disposed below the toothed block 5. The second rack 6 is slidably connected to the interior of the drive box 8. The two ends of the first rack 3 are fixedly connected to... Two connecting bars 7 are connected, and the other end of each connecting bar 7 is fixedly connected to the corresponding second rack 6. Two support plates 9 are fixedly connected to the upper surface of the base plate 1. A first gear 10, which is a bevel gear, is fixedly connected to the outer surface of the tooth block 5. A first pulley 11 is rotatably connected to the inner wall of the drive box 8. A second gear 12, which is a bevel gear, is fixedly connected to the first pulley 11. The second gear 12 meshes with the first gear 10. When the tooth block 5 rotates, the tooth block 5 alternately meshes with the first rack 3 and the second rack 6, so that the first rack 3 and the second rack 6 can slide alternately in opposite directions, thereby driving the cleaning brush 4 to reciprocate and clean the holes of the press roller body 2.

[0023] Please see Figure 1 , 3 4. Two slide rods 26 are fixedly connected to the outer surface of the drive box 8. The other end of each slide rod 26 is fixedly connected to the corresponding support plate 9. Each slide rod 26 is slidably connected to the interior of the corresponding linkage bar 7. The slide rods 26 play an auxiliary limiting role in the sliding of the first rack 3 and the second rack 6.

[0024] Please see Figure 1 , 3 4. A motor 16 is fixedly installed on the upper surface of the base plate 1. A second pulley 17 is rotatably connected to the inner wall of the drive box 8. The output end of the motor 16 is fixedly connected to the second pulley 17. The second pulley 17 is driven by a first transmission belt 18, which is driven by the first pulley 11.

[0025] Please see Figure 1 , 2 A scraper 14 and a guide plate 15 are provided above the collection box 13. Both ends of the scraper 14 and the guide plate 15 are fixedly connected to the corresponding support plate 9. The top of the scraper 14 is in contact with the outer surface of the press roll body 2. The guide plate 15 is used to guide the pulp cleaned by the scraper 14 and the cleaning brush 4 into the interior of the collection box 13.

[0026] Please see Figure 1Both ends of the press roller body 2 are fixedly connected to a third pulley 19. Each third pulley 19 is rotatably connected to a corresponding support plate 9. Each third pulley 19 is driven by a second transmission belt 20. Each second transmission belt 20 is driven by a fourth pulley 21. Each fourth pulley 21 is rotatably connected to a corresponding support plate 9.

[0027] Please see Figure 1 , 3 4. A third gear 22 is rotatably connected to the inner wall of the drive box 8. The third gear 22 is fixedly connected to the drive shaft 23. The drive shaft 23 is rotatably connected to the inside of the drive box 8. Both ends of the drive shaft 23 are fixedly connected to the corresponding fourth pulley 21.

[0028] Please see Figure 1 , 3 4. A fourth gear 24 is rotatably connected to the inner wall of the drive box 8. The fourth gear 24 meshes with the third gear 22. The fourth gear 24 is fixedly connected to a transmission rod 25. The other end of the transmission rod 25 is fixedly connected to the second pulley 17.

[0029] The implementation principle of a vacuum press roller for papermaking equipment according to an embodiment of this application is as follows: The motor 16 is started, and the output end of the motor 16 drives the second pulley 17 to rotate. The second pulley 17 drives the fourth gear 24 to rotate via the transmission rod 25. The fourth gear 24 drives the third gear 22 to rotate via the drive shaft 23. The fourth pulley 21 drives the third pulley 19 to rotate via the second transmission belt 20. The third pulley 19 drives the press roller body 2 to rotate. The second pulley 17 drives the first pulley 11 to rotate via the first transmission belt 18. The first pulley 11 drives the second gear 12 to rotate. The second gear 12 drives the first gear 10 to rotate. The first gear 10 drives the tooth block 5 to rotate. The tooth block 5 drives the first rack 3 and the second rack 6 to slide alternately. The first rack 3 drives the cleaning brush 4 to reciprocate, thereby cleaning the holes.

[0030] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A vacuum press roll for papermaking equipment, comprising a base plate (1), characterized in that: A pressing roller body (2) is provided above the base plate (1). A first rack (3) is provided on one side of the pressing roller body (2). Cleaning brushes (4) arranged at equal intervals are fixedly connected to the outer surface of the first rack (3). A toothed block (5) is provided below the first rack (3). A second rack (6) is provided below the toothed block (5). Two connecting bars (7) are fixedly connected to both ends of the first rack (3). A drive box (8) is fixedly connected to the upper surface of the base plate (1). Two support plates (9) are fixedly connected to the upper surface of the base plate (1). A first gear (10) is fixedly connected to the outer surface of the toothed block (5). A first pulley (11) is rotatably connected to the inner wall of the drive box (8). A second gear (12) is fixedly connected to the first pulley (11).

2. The vacuum press roll for papermaking equipment according to claim 1, characterized in that: A collection box (13) is fixedly connected to the upper surface of the base plate (1). A scraper (14) and a guide plate (15) are provided above the collection box (13). Both ends of the scraper (14) and the guide plate (15) are fixedly connected to the corresponding support plate (9).

3. A vacuum press roll for papermaking equipment according to claim 1, characterized in that: A motor (16) is fixedly installed on the upper surface of the base plate (1), and a second pulley (17) is rotatably connected to the inner wall of the drive box (8). The second pulley (17) is connected to a first transmission belt (18).

4. A vacuum press roll for papermaking equipment according to claim 1, characterized in that: Both ends of the press roller body (2) are fixedly connected to a third pulley (19), each of the third pulleys (19) is driven by a second transmission belt (20), and each of the second transmission belts (20) is driven by a fourth pulley (21).

5. A vacuum press roll for papermaking equipment according to claim 1, characterized in that: A third gear (22) is rotatably connected to the inner wall of the drive box (8), and the third gear (22) is fixedly connected to the drive shaft (23).

6. A vacuum press roll for papermaking equipment according to claim 1, characterized in that: The inner wall of the drive box (8) is rotatably connected to a fourth gear (24), and the fourth gear (24) is fixedly connected to a transmission rod (25).

7. A vacuum press roll for papermaking equipment according to claim 1, characterized in that: Two slide rods (26) are fixedly connected to the outer surface of the drive box (8), and each slide rod (26) is slidably connected to the interior of the corresponding linkage bar (7).

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