CN216999055U - Double-disc pulping machine for paper fibers - Google Patents

Abstract

The utility model discloses a double-disc pulping machine for paper fibers, which relates to the technical field of papermaking and comprises a base, wherein the top of the base is connected with a machine main body, one side of the machine main body is provided with an adjusting component, the top of the machine main body is connected with a feeding hole, the bottom of the machine main body is connected with a discharging hole, the bottom of the discharging hole is connected with a discharging valve, one side of the top of the base is provided with a cleaning component, and the other side of the top of the base is provided with a pulping motor. According to the utility model, through the filter motor, the reciprocating screw rod, the scraper blade, the filter cloth, the filter screen, the clamping block and the spring, clean water is input into the machine main body through the water pump after the pulping operation is finished, the fixed grinding disc, the movable grinding disc and the inner wall of the machine main body are washed after the clean water enters the machine main body, then the discharge valve is closed, and the electromagnetic valve is opened to enable the cleaned water and residual slurry to enter the box body, so that the loss caused by directly carrying the residual slurry with water to be discharged is prevented, and the slurry is effectively prevented from remaining in the machine main body.

Description

Double-disc pulping machine for paper fibers

Technical Field

The utility model relates to the technical field of papermaking, in particular to a double-disc refiner for paper fibers.

Background

The paper is a sheet made of plant fiber and used for writing and painting, printing books and newspapers, packaging and the like, and the paper generally comprises the following components: the pulp grinding is an important process in the paper-making production process, and the main mechanism is to reform fibers and improve strength, and the common equipment in the pulp grinding process is a double-disc pulp grinder.

Present double-disc refiner for paper fiber production is because the consistency of paper pulp is higher thereby lead to the easy adhesion of part paper pulp at the inner wall of double-disc refiner when grinding the material, there is paper pulp solidification shaping to block up the feed inlet and discharge outlet easily for a long time, thereby it blocks up the rotation resistance that increases movable mill easily to glue the paper pulp of even on the inner wall after solidifying, contain moisture in the paper pulp simultaneously, the time is rotten easily after permanent and is led to the paper quality of follow-up production to receive the influence, it is comparatively inconvenient to use, and the activity mill of current double-disc refiner for paper fiber production is usually placed at an regional internal rotation and is ground the material, the structure is comparatively fixed and is led to double-disc refiner to be not convenient for grind the thick liquids of different thicknesses, it is comparatively inconvenient to use.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide a double-disc refiner for paper fibers, which solves the technical problems that paper pulp is easy to adhere to the inner wall of a machine and the pulp with different thicknesses is inconvenient to grind.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a double plate refiner for paper fibre, includes the base, the top of base is connected with the machine main part, one side of machine main part is provided with adjusting part, and the top of machine main part is connected with the feed inlet, the bottom of machine main part is connected with the discharge gate, the bottom of discharge gate is connected with the bleeder valve, top one side of base is provided with the cleaning assembly, the defibrination motor is installed to the top opposite side of base.

By adopting the technical scheme, the cleaning assembly inputs clean water into the machine main body through the water pump, the clean water enters the fixed grinding disc after entering the machine main body, the movable grinding disc and the inner wall of the machine main body are washed, then the discharge valve is closed, the electromagnetic valve is opened to enable the cleaned water and the residual slurry to enter the box body, so that the situation that the water is directly carried with the residual slurry to be discharged and cause loss is prevented, the adjusting assembly drives four linkage blocks to move after rotating through two bidirectional screw rods, the linkage blocks push the movable grinding disc to move through the idler wheels and the linkage rings after moving so as to adjust the gap between the two movable grinding discs and the fixed grinding disc, the slurry with different thicknesses is conveniently ground, the movable grinding disc can also be displaced when rotating through the arrangement of the idler wheels, and meanwhile, the idler wheels limit the movable grinding disc to prevent the movable grinding disc from sliding on the chute at will.

Furthermore, the output end of the pulping motor is connected with a rotating column, the outer surface of the rotating column is connected with two movable millstones, the inside of the machine main body is connected with two supporting blocks, and a fixed millstone is connected between the two supporting blocks.

Through adopting above-mentioned technical scheme, the output passes through two movable millstones of column spinner drive and two linkage ring rotations after the pulping motor starts, and later the staff inputs the material that waits to grind the thick liquid into the machine main part through the feed inlet in, and the material gets into and begins to grind thick liquid work through two movable millstones and the cooperation of fixed mill in the machine main part back.

Furthermore, the cleaning assembly comprises a water pump arranged on one side of the top of the machine main body, an electromagnetic valve arranged on one side of the discharge port and a box body connected to one side of the top of the base, the water outlet end of the water pump is connected with a water delivery pipe, one end of the water delivery pipe is connected with the feed inlet, one side of the electromagnetic valve is connected with a discharge pipe, one end of the discharge pipe extends to the upper part of the box body, a filtering motor is arranged above one side of the box body, the output end of the filtering motor is connected with a reciprocating lead screw, the bottom of the reciprocating lead screw is connected with a scraper, the lower part of one side of the box body is connected with a drain pipe, a filter screen is arranged in the box body, filter cloth is arranged at the top of the filter screen, four support frames are respectively connected to two sides in the box body, control levers penetrate through the tops and the bottoms of the four support frames, and one ends of the four control levers are connected with a linkage frame, the bottom of linkage frame is connected with the grip block, be connected with the spring between linkage frame and the grip block.

Through adopting above-mentioned technical scheme, in the mill thick liquid work finishes inputing the machine main part with the clear water through the water pump in, the clear water gets into and washes fixed mill, activity mill and machine main part inner wall in the machine main part back, later closes the bleeder valve and opens the solenoid valve again and make water after the washing and remaining thick liquids get into the box to prevent that water directly carries remaining thick liquids to discharge and cause the loss.

Furthermore, the adjusting component comprises four windows respectively connected to the outer surface and the back of the machine main body, a servo motor arranged on one side of the machine main body, two chutes arranged at the top of the rotary column, two bidirectional screw rods connected to one side inside the machine main body, two supporting gears connected to the other side inside the machine main body and two linkage rings respectively connected to the outer rings of the two movable millstones, the output end of the servo motor is connected with a rotary shaft, the outer part of the rotary shaft is respectively sleeved with a first gear and a second gear, the outer parts of the two bidirectional screw rods are respectively sleeved with a first gear and a second gear, a chain is connected between the two first gears and the two supporting gears, the outer surfaces of the two bidirectional screw rods are respectively connected with four linkage blocks, the outer surfaces of the four linkage blocks are respectively connected with idler wheels, and the outer surfaces of the two linkage blocks are connected with guide rods, and the back parts of the other two linkage blocks are connected with guide rods.

Through adopting above-mentioned technical scheme, the servo motor output passes through the rotation axis drive first gear and the second gear is rotatory, later through two-way lead screw of second gear meshing drive rotatory, thereby it is rotatory to make another two-way lead screw rotatory to pass through another first gear of chain drive behind the first gear rotation simultaneously, avoid chain and column spinner to contact through the setting of two supporting gear, four link blocks of drive behind two-way lead screw rotations remove, thereby the link block promotes the clearance between two movable millstones and the fixed mill through gyro wheel and link ring removal, conveniently grind the thick liquids of different thicknesses, make movable millstone also can carry out the displacement when rotatory through the setting of gyro wheel, the gyro wheel carries on spacingly to movable millstone simultaneously and prevents that movable millstone from sliding on the spout at will.

Furthermore, the scraper blade and reciprocal lead screw threaded connection, just scraper blade and box sliding connection, control lever and support frame threaded connection, just grip block and link frame sliding connection, the filter cloth passes through the grip block and is connected with the box dismantlement.

By adopting the technical scheme, the output end drives the reciprocating screw rod to rotate after the filtering motor is started, so that the scraper blade can slide left and right in the box in a reciprocating manner to prevent filter holes in the filter cloth from being blocked by slurry, the four springs respectively apply pressure to the four clamping blocks while the scraper blade reciprocates, so that the four corners of the filter cloth are fixed, the filter cloth is prevented from being stressed and displaced, after the cleaning work is finished, a worker rotates the four control levers one by one in the opposite directions to enable the four linkage frames and the clamping blocks to move upwards to finish clamping the filter cloth, and then the worker directly takes out the filter cloth.

Further, the gyro wheel and linkage ring looks adaptation, just the gyro wheel rotates through pivot and linkage piece to be connected, linkage piece and two-way lead screw threaded connection, and two first gear and two supporting gear all mesh with the chain mutually.

Through adopting above-mentioned technical scheme, the output is rotatory through rotation axis drive first gear and second gear after servo motor starts, it is rotatory later through two-way lead screws of second gear meshing drive, thereby it is rotatory to make another two-way lead screw rotatory through another first gear of chain drive behind the first gear rotation simultaneously, avoid chain and column spinner to contact through the setting of two supporting gear, it removes to drive four linkage blocks behind two-way lead screws rotations, thereby the linkage block removes and promotes the clearance between two movable millstones and the fixed mill of movable millstones removal through gyro wheel and link ring.

Further, a control panel is installed below the outer surface of the machine main body, and the pulping motor, the water pump, the electromagnetic valve, the filtering motor and the servo motor are all electrically connected with the control panel.

Through adopting above-mentioned technical scheme, the staff opens or closes pulping motor, water pump, solenoid valve, filter motor and servo motor through control panel, and the output passes through two activity millstones of column spinner drive and two linkage ring rotations after the pulping motor starts, and later the staff passes through the material of feed inlet to the interior input of machine main part and treats the thick liquid, and the material gets into and begins the work of pulping through two activity millstones and the cooperation of fixed mill in the machine main part.

In summary, the utility model mainly has the following beneficial effects:

1. according to the utility model, after the pulping operation is finished, clean water is input into the machine main body through the water pump, the clean water enters the machine main body and then washes the fixed grinding disc, the movable grinding disc and the inner wall of the machine main body, the discharge valve is closed, the electromagnetic valve is opened to enable the cleaned water and residual slurry to enter the box body so as to prevent the loss caused by the fact that the water directly carries the residual slurry, the water passes through the filter cloth after the water and the residual slurry enter the box body and then is discharged from the drain pipe, the slurry is blocked due to the small aperture of the filter cloth, the filter cloth is supported by the filter screen, the slurry is convenient to recycle and waste is reduced, and the output end of the filter motor drives the reciprocating screw rod to rotate so that the scraper plate slides left and right in the box body in a reciprocating manner so as to prevent the slurry from blocking filter holes in the filter cloth, when the scraper plate moves in a reciprocating manner, the four springs respectively apply pressure to the four clamping blocks so as to fix the four corners of the filter cloth, so that the filter cloth is prevented from being stressed and displaced, and slurry is effectively prevented from remaining in the machine main body;

2. the utility model drives the first gear and the second gear to rotate through the rotating shaft by the output end of the servo motor, drives the two-way screw rod to rotate through the meshing of the two second gears after the two second gears are meshed, drives the other first gear to rotate through the chain after the first gear rotates so as to enable the other two-way screw rod to rotate, avoids the contact between the chain and the rotating column through the arrangement of the two supporting gears, drives the four linkage blocks to move after the two-way screw rods rotate, pushes the movable grinding disc to move through the idler wheel and the linkage ring after the linkage blocks move so as to adjust the gap between the two movable grinding discs and the fixed grinding disc after the linkage blocks move, is convenient for grinding slurry with different thicknesses, and can also move when the movable grinding disc rotates through the arrangement of the idler wheel, meanwhile, the movable grinding disc is limited by the roller, so that the movable grinding disc is prevented from sliding on the sliding groove at will, and the slurry with different thicknesses can be conveniently ground.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic top view of the machine body of the present invention;

FIG. 3 is a schematic view of a spin column according to the present invention;

FIG. 4 is a schematic sectional view of the case according to the present invention;

FIG. 5 is a schematic top view of the container of the present invention;

fig. 6 is an enlarged view of the structure at a in fig. 4 according to the present invention.

In the figure: 1. a base; 2. a machine main body; 3. a pulping motor; 4. a feed inlet; 5. a discharge port; 6. a discharge valve; 7. a control panel; 8. cleaning the assembly; 801. a water pump; 802. a water delivery pipe; 803. a box body; 804. an electromagnetic valve; 805. a discharge pipe; 806. a drain pipe; 807. a filtering motor; 808. a reciprocating screw rod; 809. a squeegee; 810. a support frame; 811. a joystick; 812. filtering cloth; 813. filtering with a screen; 814. a linkage frame; 815. a clamping block; 816. a spring; 9. an adjustment assembly; 901. a window; 902. a servo motor; 903. a chute; 904. a rotating shaft; 905. a first gear; 906. a second gear; 907. a chain; 908. a support gear; 909. a bidirectional screw rod; 910. a linkage block; 911. a roller; 912. a guide bar; 913. a link ring; 10. rotating the column; 11. a movable grinding disc; 12. fixing the grinding disc; 13. and (6) supporting the block.

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. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A double-disc pulping machine for paper fibers is disclosed, as shown in figures 1-5, and comprises a base 1, wherein the top of the base 1 is connected with a machine main body 2, one side of the machine main body 2 is provided with an adjusting component 9 which is convenient for adjusting the gap between two movable grinding discs 11 and a fixed grinding disc 12, the top of the machine main body 2 is connected with a feed inlet 4, the bottom of the machine main body 2 is connected with a discharge outlet 5, the bottom of the discharge outlet 5 is connected with a discharge valve 6, one side of the top of the base 1 is provided with a cleaning component 8 which effectively avoids ground pulp remaining in the machine main body 2, the other side of the top of the base 1 is provided with a pulping motor 3, the output end of the pulping motor 3 is connected with a rotary column 10, the outer surface of the rotary column 10 is connected with two movable grinding discs 11, the interior of the machine main body 2 is connected with two supporting blocks 13, and a fixed grinding disc 12 is connected between the two supporting blocks 13, a control panel 7 is installed below the outer surface of the machine main body 2, the pulping motor 3, the water pump 801, the electromagnetic valve 804, the filtering motor 807 and the servo motor 902 are electrically connected with the control panel 7, and a worker turns on or off the pulping motor 3, the water pump 801, the electromagnetic valve 804, the filtering motor 807 and the servo motor 902 through the control panel 7.

Referring to fig. 1, 4, 5 and 6, the cleaning assembly 8 includes a water pump 801 installed at one side of the top of the machine body 2, an electromagnetic valve 804 installed at one side of the discharge port 5, and a tank 803 connected to one side of the top of the base 1, a water outlet end of the water pump 801 is connected with a water pipe 802, one end of the water pipe 802 is connected with the feed port 4, one side of the electromagnetic valve 804 is connected with a discharge pipe 805, one end of the discharge pipe 805 extends to the upper side of the tank 803, a filter motor 807 is installed above one side of the tank 803, an output end of the filter motor 807 is connected with a reciprocating screw rod 808, a scraper 809 is connected to the bottom of the reciprocating screw rod 808, a drain pipe 806 is connected to the lower side of the tank 803, a filter screen 813 is installed inside the tank 803, a filter cloth 812 is disposed on the top of the filter screen 813, four support frames 810 are respectively connected to two sides inside the tank 803, and control levers 811 are respectively penetrated through the tops and the bottoms of the four support frames 810, one end of each of the four operating rods 811 is connected with a linkage frame 814, the bottom of the linkage frame 814 is connected with a clamping block 815, a spring 816 is connected between the linkage frame 814 and the clamping block 815, a scraper 809 is in threaded connection with the reciprocating screw rod 808, the scraper 809 is in sliding connection with the box 803, the operating rods 811 are in threaded connection with the support frame 810, the clamping blocks 815 are in sliding connection with the linkage frame 814, and the filter cloth 812 is detachably connected with the box 803 through the clamping blocks 815, so that the ground slurry is effectively prevented from remaining in the machine main body 2.

Referring to fig. 1-3, the adjusting assembly 9 includes four windows 901 respectively connected to the outer surface and the back of the machine main body 2, a servo motor 902 installed at one side of the machine main body 2, two sliding slots 903 opened at the top of the rotary column 10, two bidirectional screws 909 connected to one side of the interior of the machine main body 2, two supporting gears 908 connected to the other side of the interior of the machine main body 2, and two linking rings 913 connected to the outer rings of the two movable grinding discs 11, respectively, an output end of the servo motor 902 is connected to a rotating shaft 904, a first gear 905 and a second gear 906 are respectively sleeved outside the two bidirectional screws 909, a chain 907 is connected between the two first gears 905 and the two supporting gears 908, four linking blocks 910 are respectively connected to the outer surfaces of the two bidirectional screws 909, rollers 911 are respectively connected to the outer surfaces of the four linking blocks 910, the outer surfaces of the two linkage blocks 910 are connected with guide rods 912, the back parts of the other two linkage blocks 910 are connected with the guide rods 912, the idler wheels 911 are matched with the linkage rings 913, the idler wheels 911 are rotatably connected with the linkage blocks 910 through rotating shafts, the linkage blocks 910 are in threaded connection with the bidirectional screw rod 909, the two first gears 905 and the two support gears 908 are meshed with the chains 907, and the gap between the two movable grinding discs 11 and the fixed grinding disc 12 can be conveniently adjusted.

The implementation principle of the embodiment is as follows: firstly, the staff places a container below bleeder valve 6 and is used for collecting the ground thick liquids, later the staff is with external water piping connection on the water inlet end of water pump 801, later the staff tiles filter cloth 812 on filter screen 813 and supports filter cloth 812 through filter screen 813, simultaneously because set up a plurality of through-holes on the filter screen 813 and so do not influence the discharge of dirty water, the staff rotates four control rods 811 one by one after laying filter cloth 812, because control rod 811 and support frame 810 threaded connection make control rod 811 carry linkage 814 and grip block 815 and move down, compress spring 816 after linkage 814 moves down, exert pressure to four angles of filter cloth 812 respectively through four springs 816 and fix, the staff opens jordaning motor 3 and opens bleeder valve 6 through control panel 7 after preparing to work, the output drives two movable millstones 11 and two linkage rings 913 to rotate through column 10 after jordaning motor 3 starts Then, a worker inputs materials to be ground into the machine main body 2 through the feeding hole 4, the materials enter the machine main body 2 and then start grinding through the matching of the two movable grinding discs 11 and the fixed grinding disc 12, then ground pulp enters a container through the discharging hole 5 and the discharging valve 6, when the gap between the two movable grinding discs 11 and the fixed grinding disc 12 needs to be adjusted, the worker starts the servo motor 902 through the control panel 7, the output end drives the first gear 905 and the second gear 906 to rotate through the rotating shaft 904 after the servo motor 902 is started, then drives one bidirectional screw rod 909 to rotate through the meshing of the two second gears 906, drives the other first gear 905 to rotate through the chain 907 after the first gear 905 rotates so as to enable the other bidirectional screw rod to rotate, the arrangement of the two supporting gears 908 prevents the chain 907 from contacting with the rotating column 10, drives the four linkage blocks 910 to move after the two bidirectional screw rods 909 rotate, the linkage block 910 pushes the movable millstone 11 to move through the idler wheel 911 and the linkage ring 913 after moving, so as to adjust the gap between the two movable millstones 11 and the fixed millstone 12, so as to conveniently grind slurry with different thicknesses, the movable millstone 11 can also move when rotating through the arrangement of the idler wheel 911, meanwhile, the idler wheel 911 limits the movable millstone 11 to prevent the movable millstone 11 from sliding on the chute 903 at will, the linkage block 910 guides through the guide rod 912 when moving, meanwhile, a worker can check the position of the guide rod 912 through the window 901 to calculate the distance between the movable millstone 11 and the fixed millstone 12, after the position of the movable millstone 11 is adjusted, the worker closes the servo motor 902 through the control panel 7, after finishing the grinding work, the worker closes the discharge valve 6 first and then opens the electromagnetic valve 804, the water pump 801 and the filter motor 807 through the control panel 7, after the water pump 801 is started, clean water is input into the machine main body 2, clean water enters the machine main body 2 and then washes the fixed grinding disc 12, the movable grinding disc 11 and the inner wall of the machine main body 2, dirty water and residual slurry after washing pass through the discharge port 5 and the electromagnetic valve 804 and enter the box body 803, then the water passes through the filter cloth 812 and is discharged from the water discharge pipe 806, the slurry is blocked due to the small aperture of the filter cloth 812, the slurry is convenient to recycle and waste is reduced, the output end drives the reciprocating screw rod 808 to rotate after the filter motor 807 is started, so that the scraper 809 slides in the box body 803 in a reciprocating manner to prevent the slurry from blocking filter holes in the filter cloth 812, pressure is respectively applied to four clamping blocks 815 through four springs 816 while the scraper 809 reciprocates, so that the four corners of the filter cloth 812 are fixed, the filter cloth 812 is prevented from being forced to move, after the cleaning work is finished, a worker rotates four operating levers 811 in opposite directions one by one another to enable the four linkage frames 814 and the clamping blocks 815 to move upwards to clamp the filter cloth 812, then, the worker directly takes out the filter cloth 812, so that the residual slurry can be conveniently treated.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims (7)

1. A double disc refiner for paper fibres, comprising a base (1), characterized in that: the top of base (1) is connected with machine main part (2), one side of machine main part (2) is provided with adjusting part (9), and the top of machine main part (2) is connected with feed inlet (4), the bottom of machine main part (2) is connected with discharge gate (5), the bottom of discharge gate (5) is connected with bleeder valve (6), top one side of base (1) is provided with washs subassembly (8), pulping motor (3) are installed to the top opposite side of base (1).

2. A double disc refiner for paper fibres according to claim 1, characterized in that: the output end of the grinding motor (3) is connected with a rotary column (10), the outer surface of the rotary column (10) is connected with two movable grinding discs (11), the inside of the machine main body (2) is connected with two supporting blocks (13), and a fixed grinding disc (12) is connected between the two supporting blocks (13).

3. A double disc refiner for paper fibres according to claim 1, characterized in that: cleaning assembly (8) including install in water pump (801) of machine main part (2) top one side, install in solenoid valve (804) of discharge gate (5) one side and connect in box (803) of base (1) top one side, the play water end of water pump (801) is connected with raceway (802), and the one end of raceway (802) is connected with feed inlet (4), one side of solenoid valve (804) is connected with discharge pipe (805), and the one end of discharge pipe (805) extends to the top of box (803), one side top of box (803) is installed and is filtered motor (807), the output of filtering motor (807) is connected with reciprocal lead screw (808), the bottom of reciprocal lead screw (808) is connected with scraper blade (809), one side below of box (803) is connected with drain pipe (806), the internally mounted of box (803) has filter screen (813), the top of filter screen (813) is provided with filter cloth (812), the inside both sides of box (803) are connected with four support frames (810) respectively, four control rod (811) have all been run through to the top and the bottom of support frame (810), four the one end of control rod (811) is connected with linkage frame (814), the bottom of linkage frame (814) is connected with grip block (815), be connected with spring (816) between linkage frame (814) and grip block (815).

4. A double disc refiner for paper fibres according to claim 1, characterized in that: the adjusting assembly (9) comprises four windows (901) respectively connected to the outer surface and the back of the machine main body (2), a servo motor (902) installed on one side of the machine main body (2), two sliding chutes (903) arranged at the top of the rotating column (10), two bidirectional screw rods (909) connected to one side inside the machine main body (2), two supporting gears (908) connected to the other side inside the machine main body (2) and two linkage rings (913) respectively connected to the outer rings of the two movable grinding discs (11), the output end of the servo motor (902) is connected with a rotating shaft (904), a first gear (905) and a second gear (906) are respectively sleeved outside the two bidirectional screw rods (909), and a chain (907) is connected between the first gear (905) and the two supporting gears (908), the outer surfaces of the two bidirectional screw rods (909) are respectively connected with four linkage blocks (910), the outer surfaces of the four linkage blocks (910) are respectively connected with a roller (911), the outer surfaces of the two linkage blocks (910) are connected with a guide rod (912), and the backs of the other two linkage blocks (910) are connected with the guide rod (912).

5. A double disc refiner for paper fibres according to claim 3, characterized in that: the scraper blade (809) is in threaded connection with the reciprocating screw rod (808), the scraper blade (809) is in sliding connection with the box body (803), the operating rod (811) is in threaded connection with the supporting frame (810), the clamping block (815) is in sliding connection with the linkage frame (814), and the filter cloth (812) is detachably connected with the box body (803) through the clamping block (815).

6. A double disc refiner for paper fibres according to claim 4, characterized in that: the roller (911) is matched with the linkage ring (913), the roller (911) is rotatably connected with the linkage block (910) through a rotating shaft, the linkage block (910) is in threaded connection with the bidirectional screw rod (909), and the two first gears (905) and the two support gears (908) are meshed with the chain (907).

7. A double disc refiner for paper fibres according to claim 1, characterized in that: a control panel (7) is installed below the outer surface of the machine main body (2), and the pulping motor (3), the water pump (801), the electromagnetic valve (804), the filtering motor (807) and the servo motor (902) are all electrically connected with the control panel (7).

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