CN112323533A

CN112323533A - Dewatering device for papermaking machine

Info

Publication number: CN112323533A
Application number: CN202011065627.7A
Authority: CN
Inventors: 李爱华
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-01
Filing date: 2020-10-01
Publication date: 2021-02-05

Abstract

The invention discloses a dewatering device for papermaking machinery, which comprises a dewatering box, wherein an electromagnetic heating roller and two groups of limiting rollers are rotatably connected between the inner walls of the two sides of the dewatering box, the two groups of limiting rollers are respectively positioned at the two sides of the electromagnetic heating roller, a driving motor is installed on the side wall of the dewatering box, an output shaft of the driving motor hermetically penetrates through the side wall of the dewatering box and is fixedly connected with a rotary table, the side wall of the rotary table, which is far away from the center of a circle, is rotatably connected with a connecting rod, the inner wall of the dewatering box is slidably connected with a vertical sliding rod, the sliding rod is rotatably connected with one end of the connecting rod, the upper end of the sliding rod. The invention can clean water drops and impurities on the electromagnetic heating roller, further improve the dehydration effect, blow air by the hot air blower, improve the hot air flow in the dehydration box, blow out water vapor, reduce the humidity in the dehydration box, and further improve the dehydration effect.

Description

Dewatering device for papermaking machine

Technical Field

The invention relates to the technical field of papermaking machinery, in particular to a dewatering device for papermaking machinery.

Background

The paper making is an important invention of ancient Chinese workers, the speed and quality of the paper making are greatly improved along with the development of the technology, the wet paper sheet is formed by preliminary dehydration at the net part of a paper machine, then the wet paper sheet is pressed and dehydrated and then dried to form the paper, and the drying is also one of the dehydration steps, so that the dried paper sheet can be normally used.

In the prior art, in the dehydration process, the electromagnetic heating roller is used as a common mode, but the electromagnetic heating roller is in contact with paper when rotating, some water drops are inevitably attached to the surface of the electromagnetic heating roller, the water drops can absorb the heat of the electromagnetic heating roller, the dehydration speed is further reduced, the dehydration progress can be reduced as the humidity in the dehydration box is increased along with the dehydration, and therefore the dehydration device for the papermaking machine is provided for solving the problems.

Disclosure of Invention

The invention aims to solve the problems that in the prior art, an electromagnetic heating roller is used as a common mode, when the electromagnetic heating roller rotates, the surface of the electromagnetic heating roller is contacted with paper, some water drops inevitably adhere to the surface of the paper, the water drops absorb the heat of the electromagnetic heating roller, the dehydration speed is further reduced, and the dehydration progress is reduced due to the fact that the humidity in a dehydration box is increased along with the dehydration.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a dewatering device for papermaking equipment, includes the dewatering box, it is connected with electromagnetic heating roller and two sets of spacing rollers to rotate between the both sides inner wall of dewatering box, and two sets of spacing rollers are located electromagnetic heating roller's both sides respectively, driving motor is installed to the lateral wall of dewatering box, driving motor's output shaft seals the lateral wall and the fixedly connected with carousel that run through dewatering box, the carousel is kept away from the lateral wall rotation in the centre of a circle and is connected with the connecting rod, the inner wall sliding connection of dewatering box has vertical slide bar, the slide bar rotates with the one end of connecting rod to be connected, the upper end fixedly connected with water collector of slide bar, install the water absorption piece in the water collector, the inner wall fixedly connected with a plurality of fixed plates of dewatering box, the lateral wall of fixed plate passes through reset spring fixedly connected with wedge, wedge and the inner wall sliding connection of dewatering box, and one end of the support rod, which is far away from the slide rod, is provided with a roller which is propped against the side wall of the wedge-shaped block.

Preferably, a plurality of air heaters are installed on the inner wall of the dewatering box, the inner wall of the dewatering box is rotatably connected with a plurality of guide plates through a rotating shaft, the rotating shaft is located in the middle of each guide plate, a sliding groove is formed in the side wall of each guide plate, a sliding block is slidably connected into the sliding groove, the side wall of each sliding block is rotatably connected with a swinging rod, and the swinging rods are fixedly connected with the side walls of the sliding rods.

Preferably, the both sides lateral wall of carousel all is equipped with the protrusion end, install the pulley on the protrusion end, the inner wall fixedly connected with spacing ring of dewatering box, sliding connection has the push rod in the spacing ring, the lateral wall of spacing ring passes through buffer spring fixedly connected with and supports the board, the lateral wall and the push rod fixed connection of supporting the board, the one end that supports the board is kept away from to the push rod is equipped with the guide pulley, a plurality of bleeder vents have all been seted up to the both sides lateral wall of dewatering box, the equal sliding connection of the both sides inner wall of dewatering box has the closing plate that matches with the bleeder vent, the lateral wall fixedly connected with trapezoidal piece of closing plate, the lateral wall and the guide pulley of trapezoidal.

Preferably, the wastewater tank is installed to the diapire of dewatering box, the lower extreme lateral wall of water collector is connected with a plurality of flexible pipes, the lower extreme and the wastewater tank sealing connection of flexible pipe, the equal sealing connection of both sides lateral wall of wastewater tank has the honeycomb duct, the honeycomb duct seals the inner wall that runs through the dewatering box, is located outside the dewatering box be connected with the valve on the honeycomb duct.

Preferably, the water absorption block is made of one of sponge or absorbent cotton, and a concave arc surface is arranged on the side wall of the upper end of the water absorption block.

Preferably, the discharge gate has all been seted up to the both sides lateral wall of dewatering box, the equal fixedly connected with of both sides lateral wall of dewatering box and the heat insulating mattress that the discharge gate matches, the upper end lateral wall of time dewatering box is equipped with the viewing aperture, be equipped with the transparent plate in the viewing aperture.

Preferably, the wedge block comprises an inclined portion and a pressing portion, a cushion pad is wrapped on a side wall of the pressing portion, and the roller slides along the side wall of the inclined portion.

Preferably, the horizontal axis of the air heater coincides with the horizontal axis of the gravity center of the air deflector, the air deflector rotates by taking the rotating shaft as the axis, and the rotating angle of the air deflector is 0-90 degrees.

Compared with the prior art, the invention has the beneficial effects that:

1. when the electromagnetic heating roller is used, the driving motor can be utilized to drive the rotating disc to rotate, so that the sliding rod and the water absorption block are driven to lift, the water absorption block is contacted with the electromagnetic heating roller, water drops on the heating roller can be absorbed, the drying and dewatering efficiency of the heating roller is improved, meanwhile, the heating roller cannot be greatly damaged, the service life of the heating roller is ensured, and the heating roller can be ensured to be clean;

2. when the sliding rod is lifted, the wedge-shaped block can move left and right through the matching of structures such as the reset spring and the like, so that the wedge-shaped block can extrude the water absorption block and extrude water in the water absorption block away, the water absorption effect of the water absorption block is ensured, and the water absorption device is simple in structure and high in practicability;

3. the hot air can be blown out by the air heater, so that the flow efficiency of hot air in the dehydration tank is improved, the dehydration effect is improved, and the guide plate is driven to rotate back and forth when the sliding rod moves, so that the guide plate can reversely flow the wind direction blown out by the air heater in multiple directions, and the flow efficiency of the hot air is further improved;

4. when the rotary disc rotates, the rotary disc can support the push rod to move, the sealing plate is driven to lift, when the sealing plate lifts, air blown out by the air heater flows downwards under the action of the guide plate, and therefore water vapor can be blown out from the air holes, the humidity in the dehydration box is reduced, the dehydration efficiency is improved, and the air holes are blocked by the sealing plate at ordinary times, so that heat loss is avoided.

Drawings

FIG. 1 is a schematic structural view of a dewatering device for a papermaking machine according to the present invention;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

FIG. 3 is a schematic view of a three-dimensional connection structure of a deflector and a swing rod;

fig. 4 is a schematic perspective view of a wedge-shaped block.

In the figure: the device comprises a dewatering box 1, an electromagnetic heating roller 2, a limiting roller 3, a driving motor 4, a rotating disc 5, a connecting rod 6, a sliding rod 7, a water receiving disc 8, a water absorbing block 9, a fixing plate 10, a return spring 11, a wedge-shaped block 12, a supporting rod 13, a roller 14, an air heater 15, a guide plate 16, a sliding chute 17, a sliding block 18, a swinging rod 19, a pulley 20, a limiting ring 21, a push rod 22, a buffer spring 23, a resisting plate 24, a guide wheel 25, a sealing plate 26, a trapezoid block 27, a waste water box 28, a telescopic pipe 29, a guide pipe 30, a valve 31, a heat insulating pad 32 and.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-4, a dewatering device for a paper machine, comprising a dewatering box 1, wherein discharge ports are respectively arranged on the two side walls of the dewatering box 1, heat insulation pads 32 matched with the discharge ports are fixedly connected to the two side walls of the dewatering box 1, so that the heat loss in the dewatering box 1 can be reduced, an observation port is arranged on the upper end side wall of the dewatering box 1, a transparent plate 33 is arranged in the observation port, the concrete conditions in the dewatering box 1 can be clearly observed through the transparent plate 33, the treatment by workers is facilitated, a waste water box 28 is arranged on the bottom wall of the dewatering box 1, a plurality of telescopic pipes 29 are connected to the lower end side wall of a water receiving tray 8, the lower ends of the telescopic pipes 29 are hermetically connected with the waste water box 28, guide pipes 30 are hermetically connected to the two side walls of the waste water box 28, the guide pipes 30 hermetically penetrate through the inner wall of the dewatering box 1, the water receiving tray 8 can enter the waste water tank 28 along the guide pipe 30 and can stably move up and down through the action of the extension pipe 29, and when the waste water tank 28 contains more water, the valve 31 can be opened to discharge the waste water;

a valve 31 is connected on a guide pipe 30 positioned outside the dewatering box 1, a plurality of air heaters 15 are arranged on the inner wall of the dewatering box 1, the horizontal axis of each air heater 15 is superposed with the horizontal axis of the gravity center of a guide plate 16, the guide plate 16 rotates by taking a rotating shaft as an axis, and the rotating angle of the guide plate 16 is 0-90 degrees, so that the guide plate 16 can guide hot air blown out by the air heaters 15 to all directions, thereby improving the drying efficiency and reducing the humidity in the dewatering box 1, the inner wall of the dewatering box 1 is rotatably connected with a plurality of guide plates 16 by the rotating shaft, the rotating shaft is positioned in the middle of the guide plate 16, a chute 17 is arranged on the side wall of the guide plate 16, a slide block 18 is slidably connected in the chute 17, a swing rod 19 is rotatably connected on the side wall of the slide block 18, the swing rod 19 is fixedly connected with the side wall of a, the two groups of limiting rollers 3 are respectively positioned at two sides of the electromagnetic heating roller 2, a driving motor 4 is installed on the side wall of the dewatering box 1, and an output shaft of the driving motor 4 penetrates through the side wall of the dewatering box 1 in a sealing mode and is fixedly connected with a rotary table 5;

the side walls of two sides of the rotary table 5 are provided with protruding ends, the protruding ends are provided with pulleys 20, friction can be reduced through rotation of the pulleys 20, the service life of the rotary table 5 is prolonged, the inner wall of the dewatering box 1 is fixedly connected with a limiting ring 21, a push rod 22 is connected in the limiting ring 21 in a sliding mode, the side wall of the limiting ring 21 is fixedly connected with a supporting plate 24 through a buffer spring 23, the side wall of the supporting plate 24 is fixedly connected with the push rod 22, one end, far away from the supporting plate 24, of the push rod 22 is provided with a guide wheel 25, the side walls of two sides of the dewatering box 1 are provided with a plurality of air holes, the inner walls of two sides of the dewatering box 1 are respectively connected with a sealing plate 26 matched with the air holes in a sliding;

the side wall of the rotary table 5 far away from the circle center is rotatably connected with a connecting rod 6, the inner wall of the dewatering box 1 is slidably connected with a vertical slide rod 7, the slide rod 7 is rotatably connected with one end of the connecting rod 6, the upper end of the slide rod 7 is fixedly connected with a water receiving tray 8, a water absorbing block 9 is installed in the water receiving tray 8, the water absorbing block 9 is made of one of sponge or absorbent cotton, so that the dewatering box has a good water absorbing effect and can conveniently extrude water out of the water absorbing block 9 and clean impurities on the electromagnetic heating roller 2, the side wall of the upper end of the water absorbing block 9 is provided with a concave cambered surface, the inner wall of the dewatering box 1 is fixedly connected with a plurality of fixing plates 10, the side wall of each fixing plate 10 is fixedly connected with a wedge 12 through a reset spring 11, each wedge 12 comprises an inclined part and an extrusion part, the side wall of the extrusion part is wrapped with a cushion, the service life of the dewatering box is prolonged, the roller 14 slides along the side wall of the inclined part, the wedge-shaped block 12 is in sliding connection with the inner wall of the dewatering box 1, the side walls of the two sides of the sliding rod 7 are fixedly connected with supporting rods 13, the end, far away from the sliding rod 7, of each supporting rod 13 is provided with the roller 14, and the roller 14 is abutted to the side wall of the wedge-shaped block 12.

When paper is dried and dehydrated, the electromagnetic heating roller 2 can be used for effectively drying and dehydrating, in the drying process, the driving motor 4 is used for driving the rotary table 5 to rotate, the rotary table 5 drives the connecting rod 6 to lift when rotating, the connecting rod 6 drives the sliding rod 7 to lift, the sliding rod 7 drives the water receiving tray 8 and the water absorbing block 9 to lift in the lifting process, when the water absorbing block 9 is in contact with the electromagnetic heating roller 2, water drops and impurities attached to the electromagnetic heating roller 2 can be quickly absorbed, so that the cleanness of the electromagnetic heating roller 2 is ensured, and the electromagnetic heating roller 2 can be ensured to have a good dewatering and drying effect;

when the sliding rod 7 is lifted, the supporting rod 13 is driven to move, the supporting rod 13 drives the roller 14 to abut against the wedge-shaped block 12, and the wedge-shaped block 12 can be driven to move left and right under the action of the reset spring 11, so that the wedge-shaped block 12 can extrude the water absorption block 9 to extrude water in the water absorption block 9, and the water absorption effect of the water absorption block 9 is ensured;

when the sliding rod 7 moves up and down, the sliding block 18 can be driven to move, the sliding block 18 can drive the guide plate 16 to rotate back and forth, and when the guide plate 16 inclines upwards, the wind blown out by the air heater 15 can flow backwards upwards, so that hot wind blows towards paper, and the dehydration effect can be further improved;

when the guide plate 16 moves downwards, the slide rod 7 also moves downwards, the turntable 5 drives the pulley 20 to abut against the abutting plate 24, the abutting plate 24 abuts against the push rod 22 to move, the buffer spring 23 is compressed, the push rod 22 can abut against the trapezoidal block 27 in an undetermined manner when moving, the sealing plate 26 is driven to ascend, the air holes are opened, wind energy blown out by the air heater 15 can blow downwards under the action of the guide plate 16, hot wind is blown out from the air holes, meanwhile, water vapor in the dewatering box 1 is also taken away, the humidity in the dewatering box 1 is reduced, the dewatering effect is further improved, when the guide wheel 25 is close to the turntable 5, the air holes can be plugged by the sealing plate 26 again, heat loss in the dewatering box 1 is avoided, and the dewatering effect is guaranteed.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The dehydration device for the papermaking machinery comprises a dehydration box (1) and is characterized in that an electromagnetic heating roller (2) and two sets of limiting rollers (3) are rotatably connected between the inner walls of the two sides of the dehydration box (1), the two sets of limiting rollers (3) are respectively positioned on the two sides of the electromagnetic heating roller (2), a driving motor (4) is installed on the side wall of the dehydration box (1), an output shaft of the driving motor (4) penetrates through the side wall of the dehydration box (1) in a sealing manner and is fixedly connected with a turntable (5), the side wall, far away from the circle center, of the turntable (5) is rotatably connected with a connecting rod (6), a vertical sliding rod (7) is slidably connected with the inner wall of the dehydration box (1), the sliding rod (7) is rotatably connected with one end of the connecting rod (6), a water receiving tray (8) is fixedly connected with the upper end of the sliding rod (7), and, the inner wall fixedly connected with of dehydration box (1) a plurality of fixed plates (10), the lateral wall of fixed plate (10) passes through reset spring (11) fixedly connected with wedge (12), the inner wall sliding connection of wedge (12) and dehydration box (1), the equal fixedly connected with branch (13) of both sides lateral wall of slide bar (7), the one end that slide bar (7) were kept away from in branch (13) is equipped with gyro wheel (14), gyro wheel (14) offset with the lateral wall of wedge (12).

2. The dewatering device for the papermaking machine according to claim 1, characterized in that a plurality of air heaters (15) are installed on the inner wall of the dewatering box (1), a plurality of guide plates (16) are rotatably connected to the inner wall of the dewatering box (1) through a rotating shaft, the rotating shaft is located in the middle of the guide plates (16), sliding grooves (17) are formed in the side walls of the guide plates (16), sliding blocks (18) are slidably connected in the sliding grooves (17), swing rods (19) are rotatably connected to the side walls of the sliding blocks (18), and the swing rods (19) are fixedly connected with the side walls of the sliding rods (7).

3. The dewatering device for the papermaking machine according to claim 1, wherein the two side walls of the rotating disc (5) are provided with protruding ends, the protruding ends are provided with pulleys (20), the inner wall of the dewatering box (1) is fixedly connected with a limiting ring (21), a push rod (22) is slidably connected in the limiting ring (21), the side wall of the limiting ring (21) is fixedly connected with a resisting plate (24) through a buffer spring (23), the side wall of the resisting plate (24) is fixedly connected with the push rod (22), one end of the push rod (22) far away from the resisting plate (24) is provided with a guide wheel (25), the two side walls of the dewatering box (1) are provided with a plurality of air holes, the two side inner walls of the dewatering box (1) are slidably connected with sealing plates (26) matched with the air holes, the side walls of the sealing plates (26) are fixedly connected with trapezoidal blocks (27), the side wall of the trapezoidal block (27) is abutted against the guide wheel (25).

4. The dewatering device for the papermaking machine according to claim 1, characterized in that a waste water tank (28) is installed on the bottom wall of the dewatering tank (1), a plurality of telescopic pipes (29) are connected to the side wall of the lower end of the water pan (8), the lower ends of the telescopic pipes (29) are hermetically connected with the waste water tank (28), guide pipes (30) are hermetically connected to the side walls of both sides of the waste water tank (28), the guide pipes (30) hermetically penetrate through the inner wall of the dewatering tank (1), and valves (31) are connected to the guide pipes (30) outside the dewatering tank (1).

5. The dewatering device of claim 1, wherein the water absorption block (9) is made of one of sponge and absorbent cotton, and a concave arc surface is arranged on the side wall of the upper end of the water absorption block (9).

6. The dewatering device for papermaking machinery according to claim 1, characterized in that the side walls of the dewatering box (1) are provided with discharge ports, the side walls of the dewatering box (1) are fixedly connected with heat insulation pads (32) matched with the discharge ports, the side wall of the upper end of the dewatering box (1) is provided with an observation port, and a transparent plate (33) is arranged in the observation port.

7. A dewatering apparatus for a papermaking machine according to claim 1, characterized in that the wedge-shaped block (12) comprises an inclined portion and a press portion, the side walls of the press portion being wrapped with a cushion pad, the roller (14) sliding along the side walls of the inclined portion.

8. The dewatering apparatus of claim 2, wherein the horizontal axis of the hot air blower (15) coincides with the horizontal axis of the center of gravity of the deflector (16), the deflector (16) rotates around the shaft, and the angle of rotation of the deflector (16) is 0-90 °.