A vacuum suction roller limiting type sealing and cleaning device

Abstract

The application discloses a kind of vacuum suction roller limiting type sealed cleaning device, including roller body and the gland of roller body two ends, one end gland is equipped with flange, the other end gland is equipped with suction pipe, rocker arm is equipped on suction pipe, roller body inside is equipped with sealed box, the top of sealed box is equipped with connecting device, connecting device is fixed by fixed device;Suction pipe is arranged in the center position inside sealed box, cleaning device is equipped on suction pipe, cleaning device is fixed by fixed plate, cleaning device includes two sliding blocks, sliding groove is opened in sliding block, fixed ring is welded in the bottom of sliding block, fixed ring bottom is welded with support seat, support seat is fixed by screw hole, two sliding grooves are connected by support frame, the top plane of support frame is equipped with multiple dredging columns, the size of dredging column and first suction hole on roller body is matched, support frame moves up and down and drives dredging column to move up and down, first suction hole is cleaned;The device is simple in design, practical in function, and improves the service life.

Description

Technical Field

[0001] This invention relates to the field of papermaking equipment technology, specifically to a limiting-type sealing and cleaning device for vacuum suction rollers. Background Technology

[0002] The main function of the press section of a paper machine is to dewater and solidify the paper sheet, while improving the paper sheet performance and increasing the wet paper web strength to improve the drying capacity of the drying section. The vacuum press roll is a key piece of equipment to realize the main function of the press section. The main feature of the vacuum roll is that there are many small-diameter through holes on the roll shell. The through holes pass through the coating layer and the body layer, and the inner cavity of the roll shell maintains a continuous vacuum during operation.

[0003] Vacuum rolls are widely used in the wire and press sections of paper machines and are core equipment of the machine. They mainly consist of a cylindrical shell, an internal vacuum chamber, and bearing support devices. The shell rotates around the vacuum chamber under the support of the bearing support devices. The shell has densely arranged small-diameter extraction holes. The vacuum chamber inside the shell is sealed to the inner wall of the shell by a sealing strip. The vacuum chamber is connected to the external vacuum system of the vacuum roll, and negative pressure is generated inside the vacuum chamber through the sealing strip. The vacuum chamber uses this negative pressure to extract water or absorb paper from the wire mesh wrapped around the shell through the extraction holes.

[0004] Currently, when the existing vacuum suction roller structure flattens the pulp, the through holes on the suction roller are easily blocked by the pulp, which can affect the performance of the vacuum suction roller structure. In addition, most existing vacuum suction rollers are completely vacuumed, which requires a lot of energy to create a vacuum, thus wasting energy. Summary of the Invention

[0005] The purpose of this invention is to provide a limiting-type sealing cleaning device XX for vacuum suction rollers, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a limiting-type sealing cleaning device for a vacuum suction roller, comprising a roller body of a vacuum suction roller, with first suction holes evenly distributed on the roller body, and pressure caps respectively provided at both ends of the roller body, one end of which is connected to a flange, and the other end of which is connected to a suction pipe, the pipe wall of which has a second suction hole, a rocker arm provided outside the suction pipe, the suction pipe being located at the center of the inside of the roller body, the suction pipe being fixed by a fixing plate, a cleaning device provided on the suction pipe, a sealing box provided outside the suction pipe, and connecting devices provided on both sides of the top of the sealing box, the connecting devices being fixed by a fixing device.

[0007] Preferably, the cleaning device includes a slider disposed on the outer side of the suction pipe wall, the slider having a groove, a fixing ring welded to the bottom of the slider, the size of the fixing ring matching the outer wall of the suction pipe, a support base welded to the bottom of the fixing ring, the support base having screw holes, a support frame connected between the two grooves, and a plurality of unblocking columns provided on the top plane of the support frame, the size of the unblocking columns matching the first suction hole.

[0008] Preferably, the rocker arm includes an upper clamping plate and a lower clamping plate, with a fixing hole between the upper and lower clamping plates. The size of the fixing hole matches the outer wall of the suction pipe. A moving gear is connected to the top of the upper clamping plate. One end of the moving gear is connected to a movable rod, and the other end of the movable rod is connected to a rotating disk. A rotating handle is fixedly connected to the edge of the rotating disk.

[0009] Preferably, the connecting device includes an upper fixed seat and a lower fixed seat. After the upper fixed seat and the lower fixed seat are connected, a cavity is left in the center. An I-shaped block is installed on the upper part of the cavity, and an elastic inflation element is installed on the lower part of the cavity. A sealing strip is connected to the top of the I-shaped block. The lower fixed seat and the sealing box are fixedly connected. The upper fixed seat and the lower fixed seat are fixed by a fixing device.

[0010] Preferably, the fixing device includes a first fixing block and a second fixing block. The outer sidewalls of the first fixing block and the second fixing block are provided with L-shaped fixing grooves. A ball bearing is provided at the top of the L-shaped fixing groove. The ball bearing is connected to an L-shaped fixing strip. A pull ring is provided on the outer side of the end of the L-shaped fixing strip. The size of the L-shaped fixing strip matches the L-shaped fixing groove.

[0011] Preferably, the rocker arm is mounted on the air intake pipe and located outside the pressure cap, and the motion gear on the rocker arm is connected to the gear on the edge of the roller body via a belt.

[0012] Preferably, there are two connecting devices, which are respectively arranged opposite to each other on the top of the two side walls of the sealed box.

[0013] Preferably, the spherical ball bearing and the L-shaped fixing strip are fixedly connected, and the spherical ball bearing can rotate along the spherical shape, so that the L-shaped fixing strip is in an open or closed state.

[0014] Preferably, the support frame is driven by a reciprocating motor to move up and down in the chute, thereby driving the unblocking column to move up and down.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: By setting up a sealed box, the roller body achieves partial vacuum, ensuring that only the parts in contact with the paper are vacuumed, which greatly reduces energy consumption. In addition, a cleaning device is set up inside the sealed box, which can clean from the inside during public service shutdowns. Contaminants will not enter the inside of the roller body, making the cleaning more thorough, greatly improving convenience and stability, and ensuring that the quality of paper production is improved while saving energy. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0017] Figure 2 This is a front view of the overall structure of the present invention;

[0018] Figure 3 This is a cross-sectional view of the overall structure of the present invention;

[0019] Figure 4 This is a structural diagram of the rocker arm of the present invention;

[0020] Figure 5 This is a structural diagram of the cleaning device according to the first embodiment of the present invention;

[0021] Figure 6 This is a structural diagram of the cleaning device according to the second embodiment of the present invention;

[0022] Figure 7 This is a cross-sectional view of the sealing device of the present invention;

[0023] Figure 8 This is a cross-sectional view of the connecting device of the present invention;

[0024] Figure 9 These are schematic diagrams showing two forms of the elastic inflatable element of the present invention;

[0025] Figure 10 This is a schematic diagram of the closed state of the fixing device of the present invention;

[0026] Figure 11 This is a schematic diagram of the fixing device of the present invention in the open state;

[0027] In the diagram: 1. Roller body; 101. First suction hole; 102. Fixing plate; 103. Slider; 104. Slide groove; 105. Fixing ring; 106. Support base; 107. Screw hole; 108. Support frame; 109. Unblocking column; 110. Water spray pipe; 111. High-pressure nozzle; 2. Pressure cap; 3. Flange; 4. Rocker arm; 401. Upper clamping plate; 402. Lower clamping plate; 403. Fixing hole; 404. Moving gear; 405. Movable rod; 406. 407. Rotating handle; 5. Suction pipe; 501. Second suction hole; 6. Sealing box; 7. Connecting device; 701. Upper fixed seat; 702. Lower fixed seat; 703. Cavity; 704. I-shaped block; 705. Elastic inflation element; 706. Sealing strip; 8. Fixing device; 801. First fixing block; 802. Second fixing block; 803. Spherical ball bearing; 804. L-shaped fixing strip; 805. Pull ring; 806. L-shaped fixing groove. Detailed Implementation

[0028] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0029] In the description of the invention, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0030] In the description of the invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in the invention based on the specific circumstances.

[0031] Please see Figure 1-11This invention provides a technical solution: a limiting-type sealing cleaning device for a vacuum suction roller, comprising a roller body 1 of a vacuum suction roller, with first suction holes 101 evenly distributed on the roller body 1, and pressure caps 2 respectively provided at both ends of the roller body 1, one end of the pressure cap 2 being connected to a flange 3, and the other end of the pressure cap 2 being connected to a suction pipe 5, the pipe wall of the suction pipe 5 having a second suction hole 501, a rocker arm 4 being provided outside the suction pipe 5, the suction pipe 5 being located at the internal center of the roller body 1, the suction pipe 5 being fixed by a fixing plate 102, a cleaning device being provided on the suction pipe 5, a sealing box 6 being provided outside the suction pipe 5, and connecting devices 7 being provided on both sides of the top of the sealing box 6, the connecting devices 7 being fixed by a fixing device 8.

[0032] In the first embodiment, the cleaning device includes a slider 103 disposed on the outer side of the suction pipe 5. The slider 103 has a groove 104. A fixing ring 105 is welded to the bottom of the slider 103. The size of the fixing ring 105 matches the outer wall of the suction pipe 5. A support base 106 is welded to the bottom of the fixing ring 105. The support base 106 is fixed by screw holes 107. A support frame 108 is connected between the two grooves 104. The top plane of the support frame 108 is provided with multiple unblocking columns 109. The size of the unblocking columns 109 matches the first suction hole 101. The support frame 108 is driven by a motor to move up and down in the groove 104, thereby moving the unblocking columns 109 to clean the first suction hole.

[0033] In the second embodiment, the cleaning device includes a slider 103 disposed on the outer side of the suction pipe 5. The slider 103 has a groove 104, and a fixing ring 105 is welded to the bottom of the slider 103. The size of the fixing ring 105 matches the outer wall of the suction pipe 5. A support base 106 is welded to the bottom of the fixing ring 105, and the support base 106 is fixed by screw holes 107. A support frame 108 connects the two grooves 104, and a plurality of unblocking columns 109 are provided on the top plane of the unblocking column 109. The size of the unblocking column 109 matches the first suction hole. Matching 101, the support frame 108 moves up and down in the slide 104 driven by the motor, which drives the unblocking column 109 to move and clean the first air intake hole. Multiple sets of water spray pipes 110 are installed on one side of the support frame 108. The water spray pipes 110 are connected to high-pressure nozzles 111. When the first air intake hole 101 is not severely blocked, the water sprayed by the high-pressure nozzles 111 can clean it. When the first air intake hole 101 is severely blocked, the unblocking column 109 is used for cleaning. The two work together to better clean the first air intake hole 101.

[0034] The rocker arm 4 includes an upper clamping plate 401 and a lower clamping plate 402. A fixing hole 403 is provided between the upper and lower clamping plates. The size of the fixing hole 403 matches the suction pipe 5. A motion gear 404 is connected to the top of the upper clamping plate 401. The motion gear 404 is connected to a movable rod 405. The other end of the movable rod 405 is connected to a rotating disk 406. A rotating handle 407 is fixedly connected to the edge of the rotating disk 406. When the vacuum suction roller needs to be cleaned, the handle is manually turned to make the motion gear 404 rotate, which in turn drives the roller to rotate, making it convenient to align the unblocking column 109 and the first suction hole 101 for cleaning.

[0035] The sealing device 7 includes an upper fixed seat 701 and a lower fixed seat 702. The two fixed seats are provided with cavities 703. An I-shaped block 704 is installed in the upper part of the cavity 703, and an elastic inflation element 705 is installed in the lower part of the cavity 703. A sealing strip 706 is connected to the top of the I-shaped block 704. The sealing device 7 is located at the top of both ends of the sealing box 6. The upper fixed seat 701 and the lower fixed seat 702 are fixed by a fixing device 8.

[0036] The fixing device 8 includes a first fixing block 801 and a second fixing block 802. The outer sidewalls of the first fixing block 801 and the second fixing block 802 are provided with L-shaped fixing grooves 806. A ball bearing 803 is provided at the top of the L-shaped fixing groove 806. The ball bearing 803 is connected to an L-shaped fixing strip 804. A pull ring 805 is provided on the outer side of the end of the L-shaped fixing strip 804. The size of the L-shaped fixing strip 804 matches the L-shaped fixing groove 806. When opened, the pull ring 805 is pulled, so that the L-shaped fixing strip 804 rotates through the ball bearing 803 and disengages from the L-shaped fixing groove 806.

[0037] Working principle: During operation, the elastic inflatable element is inflated, which lifts the I-shaped block upward, causing the sealing strip and the inner wall of the roller to fit together for sealing. When the first air intake hole becomes blocked, the motor drives the support frame to move upward, causing the unblocking column to move upward and push out the contaminants from the first air intake hole for cleaning. The position of the first air intake hole can be adjusted by manually rotating the rocker arm for precise cleaning. When the elastic inflatable element needs to be replaced, the fixing device is opened to replace the elastic inflatable element. After replacement, the fixing device is closed and fixed.

[0038] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description. Thus, all variations falling within the meaning and scope of equivalents of the claims are intended to be included within the invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0039] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A limiting-type sealing cleaning device for a vacuum suction roller, comprising a roller body (1), wherein the roller body (1) is uniformly provided with first suction holes (101), and pressure caps (2) are respectively provided on both sides of the roller body (1), one end of the pressure cap (2) is provided with a flange (3), and the other end of the pressure cap (2) is connected to a suction pipe (5), wherein a rocker arm (4) is provided on the suction pipe (5), and the portion of the suction pipe (5) inserted into the roller body (1) is provided with a second suction hole (501), characterized in that: A fixing plate (102) is provided on the suction pipe (5) at the center of the roller body (1). A sealing box (6) is provided on the outer circumference of the suction pipe (5). A cleaning device is also provided on the suction pipe (5) inside the sealing box (6). The top of both sides of the sealing box (6) is connected to the inner wall of the roller body (1) through a connecting device (7). The bottom of the connecting device (7) is fixed to the top of both sides of the sealing box (6). The connecting device (7) is fixed by a fixing device (8). The cleaning device includes a slider (103) disposed on the outer side of the suction pipe (5), a groove (104) is provided on the slider (103), a fixing ring (105) is welded to the bottom of the slider (103), the size of the fixing ring (105) matches the outer wall of the suction pipe (5), a support base (106) is welded to the bottom of the fixing ring (105), a screw hole (107) is provided on the support base (106), a support frame (108) is connected between the two grooves (104), a plurality of unblocking columns (109) are provided on the top plane of the support frame (108), the size of the unblocking columns (109) matches the first suction hole (101), the support frame (108) is driven by a reciprocating motor to move up and down in the groove (104), thereby driving the unblocking columns (109) to move up and down; The connecting device (7) includes an upper fixed seat (701) and a lower fixed seat (702). After the upper fixed seat (701) and the lower fixed seat (702) are connected, a cavity (703) is left in the center. An I-shaped block (704) is installed on the upper part of the cavity (703), and an elastic inflation element (705) is installed on the lower part of the cavity (703). A sealing strip (706) is connected to the top of the I-shaped block (704). The lower fixed seat (702) and the sealing box (6) are fixedly connected. The upper fixed seat (701) and the lower fixed seat (702) are fixed by a fixing device (8).

2. The limiting-type sealing cleaning device for vacuum suction rollers according to claim 1, characterized in that: The rocker arm (4) includes an upper clamping plate (401) and a lower clamping plate (402). A fixing hole (403) is provided between the upper clamping plate (401) and the lower clamping plate (402). The size of the fixing hole (403) matches the outer wall of the suction pipe (5). A moving gear (404) is connected to the top of the upper clamping plate (401). A movable rod (405) is connected to one end of the moving gear (404). A rotating disk (406) is connected to the other end of the movable rod (405). A rotating handle (407) is fixedly connected to the edge of the rotating disk (406).

3. The limiting-type sealing cleaning device for vacuum suction rollers according to claim 2, characterized in that: The fixing device (8) includes a first fixing block (801) and a second fixing block (802). The outer sidewalls of the first fixing block (801) and the second fixing block (802) are provided with L-shaped fixing grooves (806). A ball bearing (803) is provided at the top of the L-shaped fixing groove (806). The ball bearing (803) is connected to an L-shaped fixing strip (804). A pull ring (805) is provided on the outer side of the end of the L-shaped fixing strip (804). The size of the L-shaped fixing strip (804) matches the size of the L-shaped fixing groove (806).

4. The limiting-type sealing cleaning device for vacuum suction rollers according to claim 3, characterized in that: The rocker arm (4) is mounted on the air intake pipe (5) and located outside the pressure cap (2). The motion gear (404) on the rocker arm (4) is connected to the gear on the edge of the roller body (1) via a belt.

5. A limiting-type sealing cleaning device for vacuum suction rollers according to claim 4, characterized in that: Two connecting devices (7) are provided, which are respectively arranged on the top of the two side walls of the sealed box (6).

6. The limiting-type sealing cleaning device for vacuum suction rollers according to claim 5, characterized in that: The spherical ball bearing (803) and the L-shaped fixing strip (804) are fixedly connected. The spherical ball bearing (803) can rotate along the spherical shape, so that the L-shaped fixing strip (804) is in an open or closed state.

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