Vacuum carrier roller of paper machine

Abstract

The utility model discloses a vacuum carrier roller of a paper machine, which comprises a support, a vacuum carrier roller body is arranged on the side portion of the support, a first ventilation ring is fixedly connected to the outer layer of the vacuum carrier roller body, a second ventilation ring is arranged outside the first ventilation ring, a first ventilation hole is formed in the first ventilation ring, and a second ventilation hole is formed in the second ventilation ring. A second ventilation hole is formed in the second ventilation ring; a side plate is fixedly connected to the outer portion of the support, a threaded rod and a sliding rod are arranged on the side plate, a bottom block is arranged on the threaded rod and the sliding rod, a spring and a telescopic rod are arranged in the bottom block, and a cleaning brush is arranged on the outer portion of the telescopic rod. Through the device, paper pulp impurities are prevented from entering the carrier roller through the design of the double-layer breathable ring, the enhanced adsorption capacity and the aperture optimization design, so that paper scraps are prevented from blocking the breathable holes, and meanwhile, attachments on the surfaces of the breathable rings can be effectively cleaned through the design of the cleaning brush matched with adjustment of the threaded rod and pressurization of the spring.

Description

TECHNICAL FIELD

[0001] The utility model relates to vacuum roll technology field, especially in paper machine's vacuum roll. BACKGROUND

[0002] The vacuum roll is an important dewatering and conveying device in the paper machine, and its main function is to fix paper or wet pulp on the surface through vacuum adsorption, and to realize exhaust and dewatering through air holes.

[0003] The existing vacuum roll technology directly places paper on the vacuum roll, but this way is easy to fall off and difficult to adsorb. A paper machine's vacuum roll is disclosed in Chinese patent with the application number CN202321233799.X, which sets a buckle assembly. When installing the roll, the connecting block at both ends of the long rod is aligned with the clamping groove on the surface of the fixed block, and then pressed down. At this time, the limiting button is extruded to make the internal spring contract. However, the air permeability is limited, and the air holes are easy to be blocked by pulp impurities or paper scraps, reducing the adsorption and exhaust efficiency. SUMMARY

[0004] The utility model discloses a paper machine's vacuum roll, which rotates to generate airflow, effectively enhances the adsorption capacity by double-layer air-permeable ring design, improves the paper adsorption effect, and prevents impurities in the pulp from entering the roll interior by the trapezoidal design of the first and second air holes. In addition, the cleaning brush driven by the threaded rod is attached to the second air-permeable ring, and the friction force is strengthened under the action of the spring, which can quickly clean the attached paper scraps, prevent paper scraps from accumulating, effectively enhance the paper adsorption efficiency, prevent impurities from entering the roll interior, improve the working performance and service life of the vacuum roll, and ensure the continuous efficiency of the equipment during operation.

[0005] The utility model discloses a paper machine's vacuum roll, which rotates to generate airflow, effectively enhances the adsorption capacity by double-layer air-permeable ring design, improves the paper adsorption effect, and prevents impurities in the pulp from entering the roll interior by the trapezoidal design of the first and second air holes. In addition, the cleaning brush driven by the threaded rod is attached to the second air-permeable ring, and the friction force is strengthened under the action of the spring, which can quickly clean the attached paper scraps, prevent paper scraps from accumulating, effectively enhance the paper adsorption efficiency, prevent impurities from entering the roll interior, improve the working performance and service life of the vacuum roll, and ensure the continuous efficiency of the equipment during operation.

[0006] The utility model relates to a kind of vacuum rollers of paper machine, the first air hole penetrates first air hole ring, the second air hole penetrates second air hole ring. Through the above device, through the first air hole and the second air hole, realize the air circulation inside and outside vacuum roller, effectively enhance adsorption capacity, improve adsorption effect.

[0007] The utility model relates to a kind of vacuum rollers of paper machine, the first air hole and the second air hole are trapezoidal shape, the aperture of the first air hole is less than the aperture of second air hole. Through the above device, through the aperture size of the first air hole and the second air hole, optimize air distribution, reduce jam, improve the stability and service life of vacuum roller.

[0008] The utility model relates to a kind of vacuum rollers of paper machine, the side plate is located at the both sides of support, and the height of the side plate and vacuum roller body is identical. Through the above device, through side plate, it is convenient to support cleaning device.

[0009] The utility model relates to a kind of vacuum rollers of paper machine, the threaded rod is provided with swivel outside, and locking device is provided on the swivel. Through the above device, through swivel and locking device, it is convenient to screw threaded rod, and locking is carried out.

[0010] The utility model relates to a kind of vacuum rollers of paper machine, the bottom block is fixedly connected at threaded rod bottom, and the bottom block is slidably connected at the outside of slide bar. Through the above device, through bottom block, so that bottom block drives cleaning brush can be moved, and its cleaning capacity is strengthened.

[0011] The utility model relates to a kind of vacuum rollers of paper machine, the bottom block side is provided with moving groove, and the spring and telescopic rod are located in the inside of moving groove. Through the above device, through moving groove, to provide elastic support, the friction of strong cleaning brush, so that the paper scraps on vacuum roller body are cleaned.

[0012] The utility model relates to a kind of vacuum rollers of paper machine, the spring is located at the outside of telescopic rod, and the cleaning brush is located at the back of vacuum roller body. Through the above device, through the position of cleaning brush, real-time cleaning is carried out on the surface of roll, prevents adsorption hole from jamming, ensures work efficiency and cleaning effect.

[0013] Beneficial effects

[0014] Compared with the prior art, the vacuum roll for the paper machine effectively enhances the adsorption capacity by the air flow generated by the rotation of the vacuum roll, improves the paper adsorption effect by the double-layer air permeable ring design, and effectively prevents the impurities in the paper pulp from entering the inside of the roll by the trapezoidal design of the first air permeable hole and the second air permeable hole, thereby avoiding the problem of blockage. In addition, the cleaning brush driven by the threaded rod is attached to the second air permeable ring, the friction force is strengthened under the action of the spring, the attached paper scraps can be quickly cleaned, the paper scraps are prevented from being accumulated, the paper adsorption efficiency is effectively enhanced, the impurities are prevented from entering the inside of the roll, the working performance and service life of the vacuum roll are improved, and the cleaning device can ensure the continuous efficiency of the equipment during operation. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and embodiments;

[0016] Figure 1 It is the front view of the vacuum roll of the paper machine of the utility model;

[0017] Figure 2 It is the Figure 1 Internal structure view of the vacuum roll of the paper machine of the utility model;

[0018] Figure 3 It is the Figure 1 Right side sectional view of the vacuum roll of the paper machine of the utility model;

[0019] Figure 4 It is the Figure 2 Enlarged view of A in the vacuum roll of the paper machine of the utility model;

[0020] Figure 5 It is the Figure 3 Enlarged view of B in the vacuum roll of the paper machine of the utility model.

[0021] Legend:

[0022] 1, support, 2, vacuum roll body, 3, first air permeable ring, 4, second air permeable ring, 5, first air permeable hole, 6, second air permeable hole, 7, side plate, 8, threaded rod, 9, swivel, 10, locking device, 11, slide rod, 12, bottom block, 13, moving groove, 14, telescopic rod, 15, spring, 16, cleaning brush. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0024] Reference Figure 1 ,Figure 2 、 Figure 4 The utility model discloses a kind of vacuum rollers of paper machine, it includes: support 1, support 1 side is provided with vacuum roller body 2, first air-permeable ring 3 is fixedly connected with the outer layer of vacuum roller body 2, second air-permeable ring 4 is provided with the outside of first air-permeable ring 3, first air-permeable hole 5 is provided on first air-permeable ring 3, second air-permeable hole 6 is provided on second air-permeable ring 4, first air-permeable hole 5 penetrates first air-permeable ring 3, second air-permeable hole 6 penetrates second air-permeable ring 4, first air-permeable hole 5 and second air-permeable hole 6 are trapezoidal shape, the aperture of first air-permeable hole 5 is less than the aperture of second air-permeable hole 6.

[0025] Specifically, paper is placed on vacuum roller body 2 first, then due to the rotation of vacuum roller body 2, airflow is generated, so that first air-permeable hole 5 and second air-permeable hole 6 have adsorption function, due to the aperture size relationship of first air-permeable hole 5 and second air-permeable hole 6, impurities in paper pulp can be prevented from entering the inside of the roll, to avoid equipment blockage and damage.

[0026] Reference Figure 3 、 Figure 4 、 Figure 5 Support 1 is fixedly connected with side plate 7 outside, side plate 7 is located at both sides of support 1, the height of side plate 7 is same with vacuum roller body 2, threaded rod 8 and sliding rod 11 are provided on side plate 7, rotating ring 9 is provided outside threaded rod 8, locking device 10 is provided on rotating ring 9, bottom block 12 is provided on threaded rod 8 and sliding rod 11, bottom block 12 is fixedly connected at the bottom of threaded rod 8, bottom block 12 is slidingly connected outside sliding rod 11, spring 15 and telescopic rod 14 are provided inside bottom block 12, moving groove 13 is provided at the side of bottom block 12, spring 15 and telescopic rod 14 are located inside moving groove 13, cleaning brush 16 is provided outside telescopic rod 14, spring 15 is located outside telescopic rod 14, cleaning brush 16 is located at the back of vacuum roller body 2.

[0027] Specifically, when paper scraps are attached to the surface of second air-permeable ring 4, rotating threaded rod 8 makes cleaning brush 16 closely attached to the surface of second air-permeable ring 4, under the extra pressure provided by spring 15, increase friction, clean the attached paper scraps, prevent accumulation, ensure that first air-permeable ring 3 and second air-permeable ring 4 remain clean, maintain the continuous and efficient operation of the equipment.

[0028] Working principle: in use, the paper is placed on the vacuum roller body 2, through the cooperation of double-layer first air-permeable ring 3 and second air-permeable ring 4, the adsorption and exhaust capacity is effectively enhanced, due to the size relationship of the first air-permeable hole 5 and the second air-permeable hole 6, the impurities in the pulp can be prevented from entering the inside of the roller. Since part of the paper scraps may be attached to the outside of the second air-permeable ring 4, rotate the threaded rod 8, make the cleaning brush 16 adhere to the second air-permeable ring 4, under the action of the spring 15, strengthen the friction force, make the paper scraps on the second air-permeable ring 4 more easily be cleaned down, prevent the accumulation of paper scraps.

[0029] The embodiments of the utility model are explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, within the knowledge range possessed by the ordinary skilled in the art, various changes can be made without departing from the purpose of the utility model.

Claims

1. A vacuum idler roller for a papermaking machine, characterized in that, include: A bracket (1) is provided on the side of the bracket (1) with a vacuum roller body (2). A first vent ring (3) is fixedly connected to the outer layer of the vacuum roller body (2). A second vent ring (4) is provided outside the first vent ring (3). A first vent hole (5) is provided on the first vent ring (3). A second vent hole (6) is provided on the second vent ring (4). The bracket (1) is externally fixedly connected to a side plate (7). The side plate (7) is provided with a threaded rod (8) and a sliding rod (11). The threaded rod (8) and the sliding rod (11) are provided with a bottom block (12). The bottom block (12) is internally provided with a spring (15) and a telescopic rod (14). The telescopic rod (14) is externally provided with a cleaning brush (16).

2. The vacuum idler roller of a papermaking machine according to claim 1, characterized in that, The first vent (5) passes through the first vent (3), and the second vent (6) passes through the second vent (4).

3. The vacuum idler roller of a papermaking machine according to claim 1, characterized in that, Both the first vent (5) and the second vent (6) are trapezoidal in shape, and the diameter of the first vent (5) is smaller than the diameter of the second vent (6).

4. A vacuum idler roller for a papermaking machine according to claim 1, characterized in that, The side plate (7) is located on both sides of the bracket (1), and the side plate (7) is at the same height as the vacuum roller body (2).

5. A vacuum idler roller for a papermaking machine according to claim 1, characterized in that, A rotating ring (9) is provided on the outside of the threaded rod (8), and a locking device (10) is provided on the rotating ring (9).

6. A vacuum idler roller for a papermaking machine according to claim 1, characterized in that, The bottom block (12) is fixedly connected to the bottom of the threaded rod (8), and the bottom block (12) is slidably connected to the outside of the slide rod (11).

7. A vacuum idler roller for a papermaking machine according to claim 1, characterized in that, The bottom block (12) has a moving groove (13) on its side, and the spring (15) and the telescopic rod (14) are located inside the moving groove (13).

8. A vacuum idler roller for a papermaking machine according to claim 1, characterized in that, The spring (15) is located outside the telescopic rod (14), and the cleaning brush (16) is located on the back of the vacuum roller body (2).

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