Vacuum squeezing dewatering roller set for papermaking

By designing a vacuum press dewatering roller assembly with automated cleaning and wastewater collection, the problems of pulp residue and moisture accumulation on the surface of the press rollers were solved, achieving efficient cleaning of the equipment and effective utilization of water resources, and extending the service life of the equipment.

CN223561944UActive Publication Date: 2025-11-18阿图什市鸿运发纸业有限公司
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Patent Information

Application Number
CN202423273980.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-18
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

Existing vacuum press dewatering roller sets for papermaking have problems during use, such as pulp residue on the surface of the press rollers leading to equipment blockage and wear, low cleaning efficiency, and moisture accumulation causing adverse effects on the equipment.

Method used

A vacuum pressing and dewatering roller assembly was designed, comprising a support, pressing roller, slide plate, nozzle, cleaning structure, and fixing structure. It is equipped with an automatic cleaning system and a wastewater collection device. The cleaning structure driven by a motor automatically cleans the surface of the pressing roller, the nozzle sprays precisely, and the slider and reciprocating screw drive the nozzle to slide. A guide groove and guide pipe are set to collect water.

Benefits of technology

It achieves automated cleaning, avoids equipment clogging and wear, extends equipment life, improves water resource utilization efficiency, reduces maintenance costs, simplifies the brush replacement process, collects water in a timely manner, and prevents equipment damage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of squeezing parts, in particular to a vacuum squeezing dewatering roller set for papermaking, which comprises a support, a squeezing roller, a sliding plate, a nozzle, a cleaning structure and a fixing structure, auxiliary rollers are symmetrically and rotatably connected in the support, the squeezing roller is rotatably connected below the auxiliary rollers in the support, and the sliding plate is arranged on the sliding plate. A sliding plate is fixedly connected into the support, a reciprocating screw rod is rotatably connected into the sliding plate, a spray head is slidably connected to the side, close to the press roll, of the sliding plate, a sliding block is rotatably connected to the end, close to the reciprocating screw rod, of the spray head, and the sliding block is in meshed connection with the reciprocating screw rod; the cleaning structure comprises a brush seat, the brush seat is slidably connected to the position, located on one side of the press roll, in the support, and a fixing structure used for fixing the brush plate is installed in the brush seat. The vacuum press dewatering roll set for papermaking has the advantages of being automatic in cleaning and maintenance, fast in brush plate replacement and capable of collecting waste water.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a squeezing part technical field especially relates to a kind of vacuum press dewatering roller group for papermaking. BACKGROUND

[0002] In the papermaking industry, vacuum press dewatering is an important link in paper production process, the main purpose of this link is to remove excess moisture by pressing roller to wet paper, so that paper reaches the thickness and strength required, and the performance of press dewatering roller group as the core equipment of this link directly affects the quality and production efficiency of paper;

[0003] The existing vacuum press dewatering roller group for papermaking has some problems in use, first, the surface of the press roller is easy to leave paper pulp, which not only causes equipment blockage, but also increases the wear of the equipment, shortens the service life of the equipment, the existing vacuum press dewatering roller group for papermaking often only has a spray head in cleaning, secondly, the cleaning of stubborn stains on the surface of the press roller often depends on manual operation, which requires workers to hold brushes and other tools for cleaning, not only low efficiency, but also increases the labor intensity of operators, in addition, the existing equipment often lacks effective collection and processing measures for the moisture generated in the pressing process, which causes water accumulation and adversely affects the equipment.

[0004] Therefore, it is necessary to provide a new vacuum press dewatering roller group for papermaking to solve the above technical problems. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides a vacuum press dewatering roller group for papermaking.

[0006] The vacuum press dewatering roller group for papermaking provided by the utility model comprises a support, a press roller, a sliding plate, a spray head, a cleaning structure and a fixing structure, the inside of the support is symmetrically connected with an auxiliary roller, the inside of the support is rotatably connected with the press roller below the auxiliary roller, the inside of the support is fixedly connected with the sliding plate, the inside of the sliding plate is rotatably connected with a reciprocating screw rod, the side of the sliding plate close to the press roller is slidably connected with the spray head, one end of the spray head close to the reciprocating screw rod is rotatably connected with a sliding block, the sliding block is engagedly connected with the reciprocating screw rod, one side of the press roller is provided with a cleaning structure for cleaning the surface of the press roller, the cleaning structure comprises a brush plate and a brush holder, the inside of the support is slidably connected with the brush holder at one side of the press roller, the side of the brush holder close to the press roller is slidably connected with the brush plate, and the inside of the brush holder is provided with a fixing structure for fixing the brush plate.

[0007] Preferably, the cleaning structure further comprises: a first motor, a driving bevel gear, a transmission rod, a rotating disc, a push column, a push ring, a connecting column, an electric push rod and a sleeve ring, the first motor is fixedly connected to one side of the support, the output end of the first motor is fixedly connected with the driving bevel gear, one end of the driving bevel gear is fixedly connected with the transmission rod, one end of the transmission rod is fixedly connected with the rotating disc, one end of the rotating disc is fixedly connected with the push column, the push ring is sleeved outside the push column, the connecting column is fixedly connected to one side of the push ring and the brush holder, the electric push rods are fixedly connected inside the support, and the sleeve rings are sleeved at both ends of the brush holder and fixedly connected with the output ends of the two electric push rods.

[0008] Preferably, the fixing structure comprises: a plug column, a rack, a first gear and a knob, the plug column is slidably connected inside the brush holder, the plug column is fixedly connected with the rack on one side, the first gear is rotatably connected inside the brush holder, the first gear is meshingly connected with the rack, and one end of the first gear protrudes out of the brush holder and is fixedly connected with the knob.

[0009] Preferably, the sliding plate is fixedly connected with a water baffle at the top of the side close to the spray head, one end of the reciprocating lead screw is fixedly connected with a driven bevel gear, and the driving bevel gear is meshingly connected with the driven bevel gear.

[0010] Preferably, the brush plate is provided with a plug groove matched with the plug column on one side, and the plug column is inserted into the plug groove.

[0011] Preferably, the support is fixedly connected with a second motor inside, the output end of the second motor is fixedly connected with a driving pulley, one end of the driving pulley is fixedly connected with an auxiliary roller close to the second motor, one end of the auxiliary roller away from the second motor is fixedly connected with a driven pulley, a central pulley is arranged between the driving pulley and the driven pulley, the driving pulley, the driven pulley and the central pulley are drivingly connected through a belt, one end of the central pulley is fixedly connected with a second gear, one end of the squeezing roller is fixedly connected with a third gear, and the third gear is meshingly connected with the second gear.

[0012] Preferably, the bottom of the support is provided with a flow guide groove, and one end of the flow guide groove is fixedly connected with a flow guide pipe.

[0013] Preferably, a damper is arranged between the knob and the brush holder.

[0014] Compared with the related art, the vacuum press dehydration roller group for papermaking has the following advantages

[0015] Advantages:

[0016] Automatic cleaning and maintenance:

[0017] The equipped cleaning structure can automatically clean the surface of the press roller, avoids equipment blockage and wear caused by pulp residue, prolongs the service life of the equipment, the design of the electric push rod and the sleeve ring can not only pull the brush plate to a position that does not affect normal work when the brush plate is not used, but also can flexibly adjust the contact force with the press roller when the brush plate needs to work, ensure the cleaning effect, and the spray head can slide along the slide plate driven by the reciprocating screw rod and the slide block, realize accurate spraying, and improve the utilization efficiency of water resources;

[0018] Quickly replace the brush plate:

[0019] The device is provided with a fixing structure, which moves the rack by rotating the knob to drive the first gear to rotate, so as to realize the insertion and separation of the insertion column and the brush plate. This way not only facilitates disassembly and replacement, but also reduces maintenance cost;

[0020] Waste water collection:

[0021] The flow guide groove and the flow guide pipe opened in the supporting bottom can timely collect and discharge the water produced in the pressing and cleaning process, avoiding the adverse effects of water accumulation on the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The utility model provides a structure schematic drawing of vacuum press dewatering roller group for papermaking;

[0023] Figure 2 For Figure 1 The front structure schematic drawing of the support inside shown in the figure;

[0024] Figure 3 For Figure 1 The back structure schematic drawing of the support inside shown in the figure;

[0025] Figure 4 For Figure 3 The structure schematic drawing of the cleaning structure shown in the figure;

[0026] Figure 5 For Figure 4 The structure schematic drawing of the slide plate shown in the figure;

[0027] Figure 6 For Figure 3 The structure schematic drawing of the fixing structure shown in the figure.

[0028] The figure mark: 1, support; 2, auxiliary roller; 3, press roller; 4, slide plate; 5, reciprocating wire rod; 6, spray head; 7, sliding block; 8, brush plate; 9, brush holder; 10, first motor; 11, driving bevel gear; 12, transmission rod; 13, rotating disc; 14, push column; 15, push ring; 16, connecting column; 17, electric push rod; 18, collar; 19, insertion column; 20, rack; 21, first gear; 22, knob; 23, water baffle; 24, driven bevel gear; 25, second motor; 26, driving pulley; 27, driven pulley; 28, center pulley; 29, second gear; 30, third gear; 31, flow guide groove; 32, flow guide pipe. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical scheme and advantages of the utility model more clearly, the following will be further described in detail in combination with the drawings and examples. It should be understood that the specific examples described herein are only used to explain the utility model, and are not used to limit the utility model.

[0030] The specific implementation of the utility model is described in detail in combination with specific examples.

[0031] Please refer to Figures 1 to 5 A kind of vacuum press dewatering roller group for papermaking, the vacuum press dewatering roller group for papermaking includes: support 1, press roller 3, slide plate 4, spray head 6, cleaning structure and fixed structure, support 1 inside symmetry rotationally connected with auxiliary roller 2, press roller 3 is rotationally connected with the inside of support 1 below auxiliary roller 2, slide plate 4 is fixedly connected with the inside of support 1, reciprocating wire rod 5 is rotationally connected with the inside of slide plate 4, spray head 6 is slidably connected with the side of slide plate 4 close to press roller 3, spray head 6 is rotationally connected with sliding block 7 close to one end of reciprocating wire rod 5, sliding block 7 is engaged with reciprocating wire rod 5, the side of press roller 3 is equipped with the cleaning structure for cleaning the surface of press roller 3, cleaning structure includes brush plate 8 and brush holder 9, brush holder 9 is slidably connected with the inside of slide plate 4 close to press roller 3, brush plate 8 is slidably connected with the side of brush holder 9 close to press roller 3, fixed structure for fixing brush plate 8 is installed in the inside of brush holder 9, second motor 25 is fixedly connected with the inside of support 1, driving pulley 26 is fixedly connected with the output end of second motor 25, one end of driving pulley 26 is fixedly connected with auxiliary roller 2 close to second motor 25, one end of driven pulley 27 is fixedly connected with auxiliary roller 2 away from second motor 25, center pulley 28 is equipped between driving pulley 26 and driven pulley 27, driving pulley 26, driven pulley 27 and center pulley 28 are drivenly connected by belt, one end of center pulley 28 is fixedly connected with second gear 29, one end of press roller 3 is fixedly connected with third gear 30, third gear 30 and second gear 29 are engaged, flow guide groove 31 is formed in the bottom of support 1, one end of flow guide groove 31 is fixedly connected with flow guide pipe 32.

[0032] It should be noted that: diversion groove 31 can collect the water produced in the squeezing and cleaning process, and then discharge through the flow guide pipe 32, the driving pulley 26 and the driven pulley 27 are the same size, the second gear 29 and the third gear 30 are the same size, ensure that the auxiliary roller 2 and the press roller 3 rotate at the same speed, avoid the paper pulp being pulled;

[0033] Please refer to Figure 1 and Figure 4 , the cleaning structure further comprises: a first motor 10, a driving bevel gear 11, a transmission rod 12, a rotating disc 13, a push column 14, a push ring 15, a connecting column 16, an electric push rod 17 and a sleeve ring 18, one side of the support 1 is fixedly connected with the first motor 10, the output end of the first motor 10 is fixedly connected with the driving bevel gear 11, one end of the driving bevel gear 11 is fixedly connected with the transmission rod 12, one end of the transmission rod 12 is fixedly connected with the rotating disc 13, one end of the rotating disc 13 is fixedly connected with the push column 14, the push column 14 is sleeved with the push ring 15 outside, one side of the push ring 15 is fixedly connected with the connecting column 16, the connecting column 16 is fixedly connected with the brush holder 9, the inside of the support 1 is fixedly connected with the electric push rod 17, both ends of the brush holder 9 are sleeved with the sleeve ring 18, the sleeve ring 18 is fixedly connected with the output end of the two electric push rods 17 respectively, the water baffle 23 is fixedly connected on one side top of the sliding plate 4 close to the nozzle 6, one end of the reciprocating wire rod 5 is fixedly connected with the driven bevel gear 24, the driving bevel gear 11 is meshingly connected with the driven bevel gear 24;

[0034] It should be noted that: the design of the electric push rod 17 and the sleeve ring 18 not only can pull the brush plate 8 to a position that does not affect the normal work when the brush plate 8 is not used, but also can flexibly adjust the contact force with the press roller 3 when the brush plate 8 needs to work;

[0035] Please refer to Figure 1 and Figure 6 , the fixed structure comprises: an insertion column 19, a rack 20, a first gear 21 and a knob 22, the insertion column 19 is slidably connected in the brush holder 9, the insertion column 19 is fixedly connected with the rack 20 on one side, the first gear 21 is rotatably connected in the brush holder 9, the first gear 21 is meshingly connected with the rack 20, one end of the first gear 21 extends out of the brush holder 9 and is fixedly connected with the knob 22, one side of the brush plate 8 is provided with an insertion slot matched with the insertion column 19, the insertion column 19 is inserted in the insertion slot, and a damping is installed between the knob 22 and the brush holder 9;

[0036] It should be noted that: the damping is installed between the knob 22 and the brush holder 9, preventing the rack 20 from sliding off.

[0037] The working principle of the vacuum press dewatering roller group for papermaking is as follows:

[0038] Press dewatering:

[0039] Start the second motor 25, the second motor 25 drives the driving pulley 26 to rotate forward, the driving pulley 26 drives the driven pulley 27 and the center pulley 28 to rotate forward, the center pulley 28 drives the third gear 30 to rotate reversely through the mode of driving the second gear 29 to rotate forward, the driving pulley 26 and the driven pulley 27 drive the auxiliary roller 2 fixedly connected therewith to rotate respectively, the third gear 30 drives the press roller 3 fixedly connected therewith to rotate reversely, the paper pulp moves along with the two auxiliary rollers 2 and the press roller 3, and the press roller 3 dehumidifies the paper pulp through the mode of vacuum adsorption while rotating;

[0040] Cleaning the press roller 3:

[0041] Start the two electric push rods 17, the electric push rod 17 pushes the brush holder 9 to the appropriate position, start the first motor 10, the first motor 10 drives the driving bevel gear 11 to rotate, the driving bevel gear 11 drives the reciprocating lead screw 5 inside the slide plate 4 to rotate through the mode of driving the driven bevel gear to rotate, the reciprocating lead screw 5 drives the sliding block 7 fixedly connected therewith to move horizontally and reciprocally through rotation, the sliding block 7 in turn drives the nozzle 6 fixedly connected therewith to move horizontally and reciprocally, at the same time, the driving bevel gear 11 drives the transmission rod 12 to rotate synchronously, the transmission rod 12 drives the rotating disc 13 to rotate, the rotating disc 13 drives the push ring 15 to move horizontally and reciprocally through the mode of driving the push column 14 to rotate, the push ring 15 drives the brush holder 9 to move horizontally and reciprocally through the connecting column 16, the brush holder 9 drives the brush plate 8 to move horizontally and reciprocally, and the cleaning of the press roller 3 is realized;

[0042] Replacing the brush plate 8:

[0043] Rotate the knob 22, the knob 22 drives the first gear 21 to rotate, the first gear 21 drives the rack 20 to move upwards, the rack 20 drives the insertion column 19 to move in the same direction and gradually away from the brush plate 8, when the insertion column 19 completely separates from the insertion slot opened on one side of the brush plate 8, the unlocking is completed, the damping is installed between the knob 22 and the brush holder 9, preventing the rack 20 from falling off, sliding the old brush plate 8 out, after the old brush plate 8 is taken out, the new brush plate 8 is slid into the brush holder 9, rotate the knob 22, the knob 22 drives the first gear 21 to rotate, the first gear 21 drives the rack 20 to move downwards through the mode of driving the rack 20 to move downwards, in turn driving the insertion column 19 to move in the same direction and gradually close to the brush plate 8, when the insertion column 19 is completely inserted into the insertion slot opened on one side of the brush plate 8, the locking is completed.

[0044] The above only describes the embodiments of the present application, and does not limit the patent range of the present application, and any equivalent structure or equivalent process conversion according to the content of the present application specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection range of the present application.

Claims

1. A vacuum press dewatering roll set for papermaking, characterized by, The utility model relates to a kind of cleaning structure of squeezing roller, including: Support (1), auxiliary roller (2) is connected with inside symmetry rotation in support (1); Pressing roller (3), pressing roller (3) is connected with rotation in support (1) below auxiliary roller (2) inside; Slide plate (4), slide plate (4) is fixedly connected with inside in support (1), and slide plate (4) is rotatably connected with reciprocating screw rod (5) inside; Spray head (6), spray head (6) is rotatably connected with slider (7) in one end close to reciprocating screw rod (5) in the side of slide plate (4) close to pressing roller (3) slidingly connected with; Cleaning structure, one side of pressing roller (3) is equipped with for cleaning the surface of pressing roller (3), and cleaning structure includes brush plate (8) and brush holder (9), and brush holder (9) is slidingly connected with in one side of pressing roller (3) inside in support (1), and brush plate (8) is slidingly connected with in one side close to pressing roller (3) of brush holder (9); Fixing structure, fixing structure is installed for fixing brush plate (8) in brush holder (9) inside.

2. The vacuum press dewatering roll set for papermaking according to claim 1, wherein Cleaning structure further includes: first motor (10), driving bevel gear (11), transmission rod (12), rotating disc (13), push column (14), push ring (15), connecting column (16), electric push rod (17) and sleeve ring (18), one side of support (1) is fixedly connected with first motor (10), and the output of first motor (10) is fixedly connected with driving bevel gear (11), and one end of driving bevel gear (11) is fixedly connected with transmission rod (12), and one end of transmission rod (12) is fixedly connected with rotating disc (13), and one end of rotating disc (13) is fixedly connected with push column (14), and push ring (15) is sleeved on the outside of push column (14), and one side of push ring (15) is fixedly connected with connecting column (16), and connecting column (16) is fixedly connected with brush holder (9), and electric push rod (17) is fixedly connected with inside symmetry in support (1), and sleeve ring (18) is sleeved on both ends of brush holder (9), and sleeve ring (18) is fixedly connected with the output of two electric push rods (17) respectively.

3. The vacuum press roll dewatering shoe set for papermaking according to claim 1, characterized by Fixing structure includes: plug column (19), rack (20), first gear (21) and knob (22), plug column (19) is slidingly connected in brush holder (9) inside, rack (20) is fixedly connected on one side of plug column (19), first gear (21) is rotatably connected in brush holder (9) inside, first gear (21) is engagedly connected with rack (20), and one end of first gear (21) is fixedly connected with knob (22) and stretches out brush holder (9).

4. The vacuum press roll dewatering shoe set for papermaking according to claim 2, characterized by Slide plate (4) is fixedly connected with water baffle (23) in the side top close to spray head (6), and driven bevel gear (24) is fixedly connected with one end of reciprocating screw rod (5), and driving bevel gear (11) is engagedly connected with driven bevel gear (24).

5. The vacuum press roll dewatering shoe set for papermaking according to claim 3, wherein Plug slot is set up in one side of brush plate (8) and matched with plug column (19), and plug column (19) is inserted in plug slot.

6. The vacuum press roll dewatering shoe set for papermaking according to claim 2, wherein The support (1) is internally fixedly connected with a second motor (25), the output end of the second motor (25) is fixedly connected with a driving pulley (26), one end of the driving pulley (26) is fixedly connected with the auxiliary roller (2) close to the second motor (25), the end of the auxiliary roller (2) away from the second motor (25) is fixedly connected with a driven pulley (27), a center pulley (28) is arranged between the driving pulley (26) and the driven pulley (27), the driving pulley (26), the driven pulley (27) and the center pulley (28) are drivingly connected through a belt, one end of the center pulley (28) is fixedly connected with a second gear (29), one end of the press roller (3) is fixedly connected with a third gear (30), the third gear (30) and the second gear (29) are in meshing connection.

7. The vacuum press roll dewatering shoe set of claim 1 wherein, A guide groove (31) is formed in the bottom of the support (1), and a guide pipe (32) is fixedly connected to one end of the guide groove (31).

8. The vacuum press roll dewatering shoe set for papermaking according to claim 3, wherein A damper is mounted between the knob (22) and the brush holder (9).