Vacuum roller for papermaking equipment

Abstract

The utility model discloses a vacuum roller for papermaking equipment. The vacuum roller comprises a base, the side portion of the base is fixedly connected with a motor, the output end of the motor is rotationally connected with a vacuum roller body, an adsorption ring is arranged outside the vacuum roller body, a first adsorption hole is formed in the vacuum roller body, and a second adsorption hole is formed in the adsorption ring. A partition plate and a vacuum cavity are arranged in the vacuum roller body, a main shaft is arranged on the side portion of the vacuum roller body, a first gear is fixedly connected to the other end of the main shaft, a second gear is connected to the outer portion of the first gear in a meshed mode, a driven shaft is arranged on the second gear, and a connecting plate is arranged on the driven shaft. A baffle is fixedly connected to the outer portion of the connecting plate. By means of the device, accurate vacuum adsorption control and flexible adjustment of the size of the vacuum cavity can be achieved through cooperation of the gear, the connecting plate and the baffle, so that different paper pulp contact requirements are met, and the papermaking efficiency and the paper quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking equipment technical field especially a kind of vacuum roll for papermaking equipment. BACKGROUND

[0002] As the key component in papermaking equipment, vacuum roll is mainly used for wet paper dewatering and pulp adsorption, and its working principle is that, by means of the adsorption holes arranged on the surface of the vacuum roll and the vacuum cavity inside, negative pressure is generated by external vacuum device to firmly adsorb pulp or wet paper on the surface of the roll body, and water is effectively removed at the same time.

[0003] The existing papermaking equipment technology mostly uses traditional vacuum roll to dewater and fix wet paper, but the adsorption strength of this method is not adjustable, which is difficult to adapt to the demand of different pulp processes for adsorption pressure. For example, a kind of vacuum roll for papermaking equipment is disclosed in Chinese patent with application number CN202420804990.3, which uses electric push rod to drive the piston to move to the right, so that water in pulp can be absorbed into the water collecting frame during the rolling process of the roll body, and the water in pulp is removed. However, it is difficult to flexibly adjust according to the process demand of pulp, which leads to low efficiency when processing different types of pulp, and uneven paper quality or unsatisfactory dewatering effect may occur. SUMMARY

[0004] The utility model aims at least to solve one of the technical problems existing in the prior art, and provides a kind of vacuum roll for papermaking equipment, which can control the adsorption strength by rotating the external rotary ring to drive the second gear to rotate, so that the shaft and the connecting plate rotate, and the baffle adjusts the size of the vacuum cavity, to adapt to the contact demand of different pulp, ensure the uniform dewatering of paper, improve the working efficiency, effectively improve the dewatering efficiency of wet paper and the consistency of paper quality, and adapt to the demand of various papermaking processes.

[0005] The utility model also provides a kind of vacuum roll for papermaking equipment, which comprises a base, a motor fixedly connected to the side of the base, a vacuum roll body rotatably connected to the output end of the motor, an adsorption ring arranged outside the vacuum roll body, first adsorption holes arranged on the vacuum roll body, second adsorption holes arranged on the adsorption ring, a partition plate and a vacuum cavity arranged inside the vacuum roll body, a main shaft arranged on the side of the vacuum roll body, a first gear fixedly connected to the other end of the main shaft, a second gear meshingly connected to the outside of the first gear, a shaft arranged on the second gear, a connecting plate arranged on the shaft, and a baffle fixedly connected to the outside of the connecting plate. Through the cooperation of the gear, the connecting plate and the baffle, accurate vacuum adsorption control and flexible adjustment of the size of the vacuum cavity can be realized, so as to adapt to the contact demand of different pulp, improve the papermaking efficiency and paper quality.

[0006] The utility model relates to a kind of vacuum rollers for papermaking equipment, the vacuum roller body is connected in the inside of base rotation, the adsorption ring is located the outer layer of vacuum roller body.The above device, by the position of adsorption ring, the stable rotation of vacuum roller and the efficient process of paper pulp adsorption are realized.

[0007] The utility model relates to a kind of vacuum rollers for papermaking equipment, the first adsorption hole penetrates vacuum roller body, the second adsorption hole penetrates adsorption ring.The above device, by the first adsorption hole and second adsorption hole, ensure that adsorption hole is located in proper position, effectively improve paper pulp adsorption efficiency.

[0008] The utility model relates to a kind of vacuum rollers for papermaking equipment, the aperture size of the first adsorption hole is less than the aperture size of second adsorption hole, the first adsorption hole is located below second adsorption hole.The above device, by the first adsorption hole and second adsorption hole, prevent paper scrap from blocking first adsorption hole and second adsorption hole.

[0009] The utility model relates to a kind of vacuum rollers for papermaking equipment, the number of the isolation plate is four, the vacuum cavity is located between two isolation plates.The above device, by isolation plate, separate multiple vacuum areas, effectively optimize the adsorption effect in paper pulp dewatering process.

[0010] The utility model relates to a kind of vacuum rollers for papermaking equipment, the main shaft is provided with swivel, is provided with locking device on the swivel, the swivel is located the outside of vacuum roller body.The above device, by swivel and locking device, the size of vacuum cavity is conveniently controlled.

[0011] The utility model relates to a kind of vacuum rollers for papermaking equipment, the shaft rotation is connected in the vacuum roller body inner wall, the second gear is located the right side of connecting plate.The above device, by ensuring that the shaft and the reliable connection of vacuum roller, guarantee the stability and reliability of equipment operation.

[0012] The utility model relates to a kind of vacuum rollers for papermaking equipment, the baffle is circular arc shape, the baffle top and isolation plate bottom are pasted, the baffle is surrounded on the shaft.The above device, by baffle, effectively change the size of each area vacuum, to adjust the adsorption degree of each area.

[0013] Beneficial effects

[0014] Compared with the prior art, the vacuum roller for papermaking equipment can adapt to different paper pulp contact requirements after adjustment, ensure uniform dehydration of paper, improve work efficiency, effectively improve the consistency of wet paper dehydration efficiency and paper quality, and adapt to various papermaking process requirements. 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 utility model papermaking equipment vacuum roller;

[0017] Figure 2 It is the papermaking equipment vacuum roller of the utility model Figure 1 Internal structure diagram;

[0018] Figure 3 It is the papermaking equipment vacuum roller of the utility model Figure 1 Left side sectional view;

[0019] Figure 4 It is the papermaking equipment vacuum roller of the utility model in Figure 2 Enlarged view of A in the middle;

[0020] Figure 5 It is the papermaking equipment vacuum roller of the utility model in Figure 3 Enlarged view of B in the middle.

[0021] Legend:

[0022] 1, base; 2, vacuum roller body; 3, motor; 4, adsorption ring; 5, first adsorption hole; 6, second adsorption hole; 7, isolation plate; 8, vacuum cavity; 9, rotating ring; 10, main shaft; 11, first gear; 12, second gear; 13, from axle; 14, connecting plate; 15, baffle; 16, locking device. DETAILED DESCRIPTION

[0023] This part will describe the specific embodiments of the utility model in detail, and the preferred embodiments of the utility model are shown in the drawings, and the drawings are used 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 3The utility model discloses a kind of vacuum rolls for papermaking equipment, it includes: base 1, motor 3 is fixedly connected with the side portion of base 1, motor 3 output end rotationally connected with vacuum roll body 2, vacuum roll body 2 outside is provided with adsorption ring 4, vacuum roll body 2 is rotationally connected in the inside of base 1, adsorption ring 4 is located the outer layer of vacuum roll body 2, first adsorption hole 5 is provided on vacuum roll body 2, second adsorption hole 6 is provided on adsorption ring 4, first adsorption hole 5 penetrates vacuum roll body 2, second adsorption hole 6 penetrates adsorption ring 4, the aperture size of first adsorption hole 5 is less than the aperture size of second adsorption hole 6, first adsorption hole 5 is located just below second adsorption hole 6, vacuum roll body 2 inside is provided with isolation plate 7 and vacuum cavity 8, the number of isolation plate 7 is four, vacuum cavity 8 is located between two isolation plates 7.

[0025] Specifically, wet paper is placed on vacuum roll body 2, and the vacuum adsorption effect generated by first adsorption hole 5 and second adsorption hole 6 rapidly adsorbs the wet paper and extracts excess water.

[0026] Referring to Figure 4 , Figure 5 Vacuum roll body 2 side portion is provided with main shaft 10, main shaft 10 outside is provided with swivel joint 9, swivel joint 9 is provided with locking device 16, swivel joint 9 is located outside vacuum roll body 2, first gear 11 is fixedly connected with the other end of main shaft 10, second gear 12 is engagedly connected with the outside of first gear 11, second gear 12 is provided with spindle 13, connecting plate 14 is provided on spindle 13, spindle 13 is rotationally connected in the inner wall of vacuum roll body 2, second gear 12 is located on the right side of connecting plate 14, baffle 15 is fixedly connected with the outside of connecting plate 14, baffle 15 is circular arc shape, baffle 15 top and isolation plate 7 bottom fit, baffle 15 is wrapped on spindle 13.

[0027] Specifically, subsequently, according to the different process requirements of paper, swivel joint 9 is rotated, first gear 11 and second gear 12 are driven to mesh and rotate by main shaft 10, spindle 13 drives connecting plate 14 and baffle 15 to rotate, and then the opening degree of vacuum cavity 8 is changed. By adjusting the size of vacuum cavity, the precise control of adsorption strength is realized to adapt to the contact requirements of different pulp, improve the dehydration efficiency and the uniformity of paper quality.

[0028] Working principle: in use, by the rotation drive of vacuum roller body 2, wet paper is placed in its outside, through the vacuum adsorption effect generated by first adsorption hole 5 and second adsorption hole 6, wet paper is quickly adsorbed and the excess moisture is extracted. Subsequently, according to the different process requirements of paper, rotating the rotating ring 9, drive the main shaft 10 drive first gear 11 and second gear 12 meshing rotation, make the shaft 13 drive connecting plate 14 and baffle 15 rotation, and then change the opening degree of vacuum cavity 8. By adjusting the size of vacuum cavity 8, the precise control of adsorption strength is realized to adapt to the contact requirements of different pulp, improve the dehydration efficiency and the uniformity of paper quality.

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

Claims

1. A vacuum roll for a papermaking apparatus, characterized by, Include: Base (1), the base (1) side fixedly connected with motor (3), the motor (3) output end rotationally connected with vacuum roller body (2), the vacuum roller body (2) outside is provided with adsorption ring (4), the vacuum roller body (2) is provided with first adsorption hole (5), the adsorption ring (4) is provided with second adsorption hole (6); The vacuum roller body (2) is provided with isolation plate (7) and vacuum cavity (8) inside, the vacuum roller body (2) side is provided with main shaft (10), the main shaft (10) other end is fixedly connected with first gear (11), the first gear (11) outside is engagedly connected with second gear (12), the second gear (12) is provided with shaft (13), the shaft (13) is provided with connecting plate (14), the connecting plate (14) outside is fixedly connected with baffle (15).

2. A vacuum roll for a papermaking machine according to claim 1, characterized in that The vacuum roller body (2) is rotationally connected in the inside of base (1), the adsorption ring (4) is located in the outer layer of vacuum roller body (2).

3. The vacuum roll for a papermaking machine according to claim 1, wherein The first adsorption hole (5) penetrates vacuum roller body (2), the second adsorption hole (6) penetrates adsorption ring (4).

4. The vacuum roll for a papermaking machine according to claim 1, wherein The aperture size of the first adsorption hole (5) is less than the aperture size of the second adsorption hole (6), the first adsorption hole (5) is located directly below the second adsorption hole (6).

5. The vacuum roll for a papermaking machine according to claim 1, wherein The number of isolation plate (7) is four, the vacuum cavity (8) is located between two isolation plates (7).

6. A vacuum roll for a papermaking machine according to claim 1, characterized in that The main shaft (10) is provided with swivel ring (9) outside, the swivel ring (9) is provided with locking device (16), the swivel ring (9) is located in the outside of vacuum roller body (2).

7. A vacuum roll for a papermaking machine according to claim 1, characterized in that The shaft (13) is rotationally connected in the inner wall of vacuum roller body (2), the second gear (12) is located in the right side of connecting plate (14).

8. The vacuum roll for a papermaking machine according to claim 1, wherein The baffle (15) is circular arc shape, the baffle (15) top and isolation plate (7) bottom fit, the baffle (15) is surrounded on the shaft (13).

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