Papermaking press roll structure

Abstract

The utility model discloses a papermaking press roll structure which comprises a bottom plate, the upper surface of the bottom plate is fixedly connected with a support, the inner surface of the support is rotationally connected with a press roll, the side surface of the support is fixedly connected with a motor, the press roll is driven by the motor, a vacuum bin is arranged on the press roll, a water guide bin is arranged on the press roll, and the vacuum bin is communicated with the water guide bin. The inner wall of the press roll is communicated with a plurality of suction pipes, the suction pipes are communicated with a water guide bin, a water outlet is formed in the water guide bin, the outer wall of the press roll is rotationally connected with a flow guide box, the flow guide box is communicated with the water outlet, the lower surface of the flow guide box is communicated with a flow guide pipe, and the upper surface of the support is fixedly connected with a cleaning box. Impurities such as fibers and sizing materials adhere to the surface of the press roll, the water absorption effect is guaranteed, it can be guaranteed that the surface of the press roll is clean and smooth, and scratches, holes or spots and other flaws on the surface of paper are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to papermaking technical field especially relates to a papermaking press roll structure. BACKGROUND

[0002] The existing papermaking press roll structure is mainly used for dewatering and paper forming in the papermaking process, specifically, after the paper pulp is formed into wet paper sheet in the papermaking process, the wet paper sheet contains a large amount of water, the press roll extrudes the water in the wet paper sheet by applying pressure, and the vacuum press roll structure further separates the water from the wet paper sheet during extrusion by utilizing the internal vacuum chamber, thereby greatly improving the dewatering efficiency.

[0003] However, the existing papermaking press roll structure does not have a self-cleaning effect during use, and as impurities accumulate on the surface of the press roll, it will affect the close contact between the press roll and the paper and the felt, for example, if the surface impurities of the vacuum press roll are too much, it will affect the water absorption efficiency, and the impurities on the surface of the press roll are easy to transfer to the paper, resulting in defects on the surface of the paper, and the impurities such as fibers and glue may form scratches, holes or spots on the surface of the paper. UTILITY MODEL CONTENT

[0004] The utility model discloses a papermaking press roll structure, which can remove impurities on the surface of the press roll during use by a brush, dry the water on the brush by a heating plate cooperating with a shunt pipe, and store the impurities on the brush in a cleaning box through a suction hole, thereby preventing the press roll surface from being attached with impurities such as fibers and glue during the papermaking process, ensuring the water absorption effect, and ensuring the smoothness of the press roll surface, reducing the defects such as scratches, holes or spots on the surface of the paper.

[0005] The utility model discloses still provide with above -mentioned one kind papermaking press roll structure, it is fixedly connected with support on the upper surface of bottom plate, the inner surface of support is rotatably connected with press roll, the side surface of support is fixedly connected with motor, the press roll is driven by motor, be provided with vacuum storehouse on the press roll, be provided with water guide storehouse on the press roll, vacuum storehouse is linked with water guide storehouse, the inner wall of press roll is communicated with a plurality of suction tubes, the suction tube is communicated with water guide storehouse, be provided with drain on the water guide storehouse, the outer wall of press roll is rotatably connected with flow guide box, flow guide box is communicated with drain, the lower surface of flow guide box is communicated with flow guide pipe, the upper surface of support is fixedly connected with cleaning box, the lower surface of cleaning box is fixedly connected with a plurality of bristles, a plurality of bristles are movably connected with press roll, be provided with a plurality of suction holes on the cleaning box, the inner surface of cleaning box is fixedly connected with two baffle, the inner surface of cleaning box is fixedly connected with baffle, baffle is located above two baffle, the upper surface of cleaning box is fixedly connected with air pump no.

[0006] According to the papermaking press roll structure, the side surface of the support is fixedly connected with the air pump one, and the input end of the air pump one is communicated with the vacuum storehouse.

[0007] According to the papermaking press roll structure, two sliding grooves are arranged on the support, and sliding blocks are slidably connected to the inner surfaces of the two sliding grooves.

[0008] According to the papermaking press roll structure, two sliding grooves are arranged on the support, and sliding blocks are slidably connected to the inner surfaces of the two sliding grooves.

[0009] According to the papermaking press roll structure, the side surface of the support is fixedly connected with the water tank, and the other end of the flow guide pipe is communicated with the water tank.

[0010] According to the papermaking press roll structure, a drain opening is arranged on the water tank, and a sealing cover is movably connected to the inner wall of the drain opening.

[0011] According to the papermaking press roll structure, the upper surface of the bottom plate is fixedly connected with a hydraulic push rod, and the upper end of the hydraulic push rod is fixedly connected to the lower surface of the sliding block.

[0012] According to the papermaking press roll structure, a drain opening is arranged on the water tank, and a sealing cover is movably connected to the inner wall of the drain opening.

[0013] Beneficial effects

[0014] 1、compared with the prior art, the papermaking press roll structure, in the process of using the press roll, the impurities on the surface of the press roll can be brushed off through the brush, the moisture on the brush can be dried through the shunt pipe cooperating with the heating plate, and the impurities on the brush can be sucked into the cleaning box through the suction hole for storage, so that the surface of the press roll can be prevented from being attached with fiber, glue and other impurities during the papermaking process, the water absorption effect is guaranteed, and the surface of the press roll can be guaranteed to be clean and smooth, and the scratches, holes or spots and other defects on the surface of the paper can be reduced. 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 structure diagram of the utility model papermaking press roll structure;

[0017] Figure 2 It is the front view sectional structure diagram of the utility model papermaking press roll structure;

[0018] Figure 3 It is the right view sectional structure diagram of the utility model papermaking press roll structure;

[0019] Figure 4 It is the rear view structure diagram of the utility model papermaking press roll structure.

[0020] Legend:

[0021] 1, shunt pipe, 2, cleaning box, 3, air pump one, 4, flow guide box, 5, water tank, 6, support, 7, drain, 8, sealing cover, 9, air pump two, 10, motor, 11, press roll, 12, sliding block, 13, pad roll, 14, chute, 15, hydraulic push rod, 16, bottom plate, 17, suction pipe, 18, heating plate, 19, drain, 20, flow guide pipe, 21, vacuum bin, 22, water guide bin, 23, cover plate, 24, discharge port, 25, brush hair, 26, baffle, 27, partition, 28, suction hole. DETAILED DESCRIPTION

[0022] 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.

[0023] Reference Figures 1-4The utility model discloses an embodiment papermaking press roll structure, it includes: bottom plate 16, the upper surface fixed connection of bottom plate 16 has support 6, the side surface fixed connection of support 6 has air pump one 3, the input of air pump one 3 with vacuum chamber 21 intercommunication, be provided with two chute 14 on support 6, the inner surface sliding connection of two chute 14 all has sliding block 12, the rotation connection of two sliding blocks 12 has pad roll 13, pad roll 13 is below press roll 11, the upper surface fixed connection of bottom plate 16 has hydraulic push rod 15, the upper end fixed connection of hydraulic push rod 15 is at the lower surface of sliding block 12.

[0024] Specificly: hydraulic push rod 15 can adjust the height of pad roll 13, thereby control the pressure between press roll 11 and pad roll 13, by exerting appropriate pressure, the water in paper is squeezed out.

[0025] The inner surface rotation connection of support 6 has press roll 11, the side surface fixed connection of support 6 has motor 10, press roll 11 is driven by motor 10, be provided with vacuum chamber 21 on press roll 11, be provided with water guide house 22 on press roll 11, vacuum chamber 21 with water guide house 22 intercommunication, the inner wall intercommunication of press roll 11 has multiple suction tubes 17, and suction tube 17 with water guide house 22 intercommunication.

[0026] Specificly: motor 10 drives press roll 11 to rotate, when paper enters the pressurized area between press roll 11 and pad roll 13, air pump one 3 works, makes the negative pressure in vacuum chamber 21, because vacuum chamber 21 with water guide house 22 intercommunication, and also indirectly intercommunication through multiple suction tubes 17 and the outer wall of press roll 11, under the action of negative pressure, the water in paper is inhaled suction tube 17, and then is gathered in water guide house 22, just like sucking water with suction tube, the negative pressure environment here promotes the water in paper to be inhaled in the water guide house 22 in press roll 11 inside.

[0027] Be provided with drain 19 on water guide house 22, the outer wall rotation connection of press roll 11 has guide box 4, guide box 4 with drain 19 intercommunication, the lower surface intercommunication of guide box 4 has guide pipe 20, the side surface fixed connection of support 6 has water tank 5, the other end of guide pipe 20 with water tank 5 intercommunication, be provided with drain 7 on water tank 5, the inner wall movable joint of drain 7 has sealing cover 8.

[0028] Specificly: the water gathered in water guide house 22 flows into guide box 4 through drain 19, then is transported to water tank 5 through guide pipe 20 and is stored up, the sealing cover 8 at drain 7 can be opened when needed, and the water in water tank 5 is discharged.

[0029] The upper surface of the support 6 is fixedly connected with a cleaning box 2, the cleaning box 2 is provided with a discharge port 24, the inner wall of the discharge port 24 is movably connected with a cover plate 23, the lower surface of the cleaning box 2 is fixedly connected with a plurality of bristles 25, the plurality of bristles 25 are movably connected with the squeezing roller 11, the cleaning box 2 is provided with a plurality of suction holes 28, the inner surface of the cleaning box 2 is fixedly connected with two partitions 27, the inner surface of the cleaning box 2 is fixedly connected with a baffle 26, the baffle 26 is located above the two partitions 27, the upper surface of the cleaning box 2 is fixedly connected with a gas pump two 9, the input end of the gas pump two 9 is communicated with the cleaning box 2, the output end of the gas pump two 9 is communicated with a shunt pipe 1, the inner wall of the shunt pipe 1 is fixedly connected with a heating plate 18, the other end of the shunt pipe 1 is fixedly connected with the side surface of the bristle 25.

[0030] Specifically, the plurality of bristles 25 at the bottom of the cleaning box 2 are movably connected with the squeezing roller 11, in the process of rotating the squeezing roller 11, the bristles 25 can brush off the impurities such as fibers and glue materials attached to the surface of the squeezing roller 11, through the relative movement of the bristles 25 and the squeezing roller 11, the impurities are cleaned from the surface of the squeezing roller 11, the gas pump two 9 works, the impurities brushed off by the bristles 25 are sucked into the cleaning box 2 through the suction holes 28, the partitions 27 and the baffle 26 in the cleaning box 2 can play the role of isolating and blocking the impurities, preventing the impurities from falling on the squeezing roller 11 again, when it is necessary to clean the impurities in the cleaning box 2, the cover plate 23 at the discharge port 24 can be opened for cleaning, the gas output by the gas pump two 9 is heated by the heating plate 18 when passing through the shunt pipe 1, the heated gas is transported to the bristles 25 for drying the moisture on the bristles 25, so that the bristles 25 can be kept dry and play a better cleaning role.

[0031] Working principle: in use, the wet paper to be squeezed is placed between the squeezing roller 11 and the pad roller 13, the gas pump one 3 is started to generate negative pressure in the vacuum bin 21, and the hydraulic push rod 15 is started, according to the thickness of the paper and the required squeezing degree, the height of the pad roller 13 is adjusted by adjusting the position of the sliding block 12 in the sliding groove 14, so as to control the pressure between the squeezing roller 11 and the pad roller 13, the motor 10 drives the squeezing roller 11 to rotate continuously, the paper is squeezed and dehydrated between the two rollers, in the process of squeezing, since the vacuum bin 21 is communicated with the water guide bin 22, and the plurality of suction pipes 17 are connected with the outer wall of the squeezing roller 11, the water in the paper is sucked into the water guide bin 22 through the suction pipes 17 under the action of negative pressure. After the water is collected in the water guide bin 22, it flows into the water guide box 4 through the drain port 19, and then flows into the water tank 5 through the water guide pipe 20 for storage.

[0032] 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 papermaking press roll structure, characterized by, The utility model relates to a kind of press rollers, including: Bottom plate (16), the upper surface of the bottom plate (16) is fixedly connected with support (6), the inner surface of the support (6) is rotatably connected with press roller (11), the side surface of the support (6) is fixedly connected with motor (10), the press roller (11) is driven by motor (10), vacuum chamber (21) is provided on the press roller (11), water guide chamber (22) is provided on the press roller (11), the vacuum chamber (21) is communicated with water guide chamber (22), the inner wall of the press roller (11) is communicated with multiple suction tubes (17), the suction tube (17) is communicated with water guide chamber (22), water guide chamber (22) is provided with drain (19), the outer wall of the press roller (11) is rotatably connected with flow guide box (4); The flow guide box (4) is communicated with drain (19), the lower surface of the flow guide box (4) is communicated with flow guide pipe (20), the upper surface of the support (6) is fixedly connected with cleaning box (2), the lower surface of the cleaning box (2) is fixedly connected with multiple bristles (25), multiple bristles (25) are movably connected with press roller (11), the cleaning box (2) is provided with multiple suction holes (28), the inner surface of the cleaning box (2) is fixedly connected with two baffle (27), the inner surface of the cleaning box (2) is fixedly connected with baffle (26), the baffle (26) is located above two baffle (27), the upper surface of the cleaning box (2) is fixedly connected with air pump two (9), the input end of air pump two (9) is communicated with cleaning box (2), the output end of air pump two (9) is communicated with shunt pipe (1), the inner wall of shunt pipe (1) is fixedly connected with heating plate (18), the other end of shunt pipe (1) is fixedly connected in the side surface of bristle (25).

2. A papermaking press roll structure according to claim 1 wherein, The side surface of the support (6) is fixedly connected with air pump one (3), and the input end of the air pump one (3) is communicated with the vacuum chamber (21).

3. A papermaking press roll structure according to claim 1 wherein, The side surface of the support (6) is fixedly connected with air pump one (3), and the input end of the air pump one (3) is communicated with the vacuum chamber (21).

4. A papermaking press roll structure according to claim 3, wherein Two The inner surfaces of the two sliding grooves (14) are slidably connected with sliding blocks (12).

5. A papermaking press roll structure according to claim 1 wherein, Two The inner surfaces of the two sliding grooves (14) are slidably connected with sliding blocks (12).

6. A papermaking press roll structure according to claim 5 wherein, Two The inner surfaces of the two sliding grooves (14) are slidably connected with sliding blocks (12).

7. A papermaking press roll structure according to claim 3 wherein, The side surface of the support (6) is fixedly connected with water tank (5), and the other end of the flow guide pipe (20) is communicated with the water tank (5).

8. A papermaking press roll structure according to claim 1 wherein, The water tank (5) is provided with a water outlet (7), and the inner wall of the water outlet (7) is movably connected with a sealing cover (8). The upper surface of the bottom plate (16) is fixedly connected with hydraulic push rod (15), and the upper end of the hydraulic push rod (15) is fixedly connected to the lower surface of the sliding block (12). The cleaning box (2) is provided with a discharge port (24), and the inner wall of the discharge port (24) is movably connected with a cover plate (23). The cleaning box (2) is provided with a discharge port (24), and the inner wall of the discharge port (24) is movably connected with a cover plate (23).

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