CN115595817B - Dewatering equipment and method for papermaking - Google Patents

Dewatering equipment and method for papermaking Download PDF

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Publication number
CN115595817B
CN115595817B CN202210994057.2A CN202210994057A CN115595817B CN 115595817 B CN115595817 B CN 115595817B CN 202210994057 A CN202210994057 A CN 202210994057A CN 115595817 B CN115595817 B CN 115595817B
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CN
China
Prior art keywords
roller
cutter
driving
machine body
press roller
Prior art date
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Active
Application number
CN202210994057.2A
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Chinese (zh)
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CN115595817A (en
Inventor
林立峰
琚峰
童小家
余忠华
陈其春
吴正余
方志旺
涂志刚
吴苗青
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Lin'an Jinzhou Paper Co ltd
Original Assignee
Zhejiang Lin'an Jinzhou Paper Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Zhejiang Lin'an Jinzhou Paper Co ltd filed Critical Zhejiang Lin'an Jinzhou Paper Co ltd
Priority to CN202210994057.2A priority Critical patent/CN115595817B/en
Publication of CN115595817A publication Critical patent/CN115595817A/en
Application granted granted Critical
Publication of CN115595817B publication Critical patent/CN115595817B/en
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Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F11/00Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
    • D21F11/02Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines of the Fourdrinier type
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B26HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26DCUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/25Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member
    • B26D1/34Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut
    • B26D1/36Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and rotating continuously in one direction during cutting, e.g. mounted on a rotary cylinder
    • B26D1/365Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a non-circular cutting member moving about an axis parallel to the line of cut and rotating continuously in one direction during cutting, e.g. mounted on a rotary cylinder for thin material, e.g. for sheets, strips or the like
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21FPAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
    • D21F9/00Complete machines for making continuous webs of paper
    • D21F9/02Complete machines for making continuous webs of paper of the Fourdrinier type
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/64Paper recycling

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  • Life Sciences & Earth Sciences (AREA)
  • Forests & Forestry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

The application relates to a dehydration device for papermaking and a method thereof, comprising a machine body and a conveying belt, wherein the machine body is arranged on the ground, and the conveying belt is arranged on one side of the machine body away from the ground; the conveyor belt conveys along the length direction of the machine body; a press roller is arranged on one side, away from the machine body, of the conveying belt, and rotating shafts are coaxially arranged at two ends of the press roller; the machine body is provided with a frame body in the width direction, and the rotating shaft penetrates through the frame body and is rotatably arranged on the frame body; the compression roller is arranged in a clearance with the conveying belt; a cutter and a driving piece are arranged in the compression roller; the cutter is arranged in the press roller, the driving piece drives the cutter to slide along the direction close to or far away from the central axis of the press roller, and when the cutter slides along the direction far away from the central axis of the press roller, the cutter stretches out of the press roller; the application has the effect of reducing the probability of paper damage in the long-distance transportation process.

Description

Dewatering equipment and method for papermaking
Technical Field
The application relates to the field of dehydration equipment, in particular to dehydration equipment for papermaking and a method thereof.
Background
Modern papermaking processes can be divided into: pulping, screening paper materials, screening a net part, squeezing, drying, calendaring, rolling paper, cutting, sorting and packaging; the web section, press, drying, calendering are all processes for dewatering pulp, and the importance of dewatering equipment in the papermaking process is seen.
In the existing mechanized papermaking process, the paper after drying and calendaring is rolled up and then is conveyed to cutting equipment for cutting.
With respect to the above related art, the inventor considers that the rolled paper roll is large, and is easy to collide in the process of being conveyed to the cutting equipment for cutting, so that the paper is easy to damage.
Disclosure of Invention
In order to reduce the probability of paper damage during long distance transport, the application provides a dewatering device for papermaking and a method thereof.
The application provides dehydration equipment and a dehydration method for papermaking, which adopts the following technical scheme:
the device comprises a machine body and a conveying belt, wherein the machine body is arranged on the ground, and the conveying belt is arranged on one side of the machine body, which is away from the ground; the conveyor belt conveys along the length direction of the machine body; a pressing roller is arranged on one side, away from the machine body, of the conveying belt, and rotating shafts are coaxially arranged at two ends of the pressing roller; the machine body is provided with a frame body in the width direction, and the rotating shaft penetrates through the frame body and is rotatably arranged on the frame body; the compression roller is arranged in a clearance with the conveying belt; a cutter and a driving piece are arranged in the compression roller; the cutter is arranged in the press roller, the driving piece drives the cutter to slide along the direction close to or far away from the central axis of the press roller, and when the cutter slides along the direction far away from the central axis of the press roller, the cutter stretches out of the press roller.
By adopting the technical scheme, the cutter sliding towards the conveying belt is arranged, so that the cutter can divide large paper when the compression roller rotates, and the probability of breakage of the paper in the winding and long-distance conveying processes is reduced; through setting up the cutter in the compression roller, protect the cutter, accomodate the cutter, improved the security of equipment.
Optionally, the driving piece comprises a connecting rod, a limiting block, a wedge block, a pressure spring, a push rod and a driving rod; the connecting rod is arranged at one end of the cutter, which is close to the central axis of the compression roller; the limiting block is arranged at one end of the connecting rod, which is far away from the cutter; the wedge block slides in the press roller, slides along the direction perpendicular to the sliding direction of the cutter, and the limiting block is abutted to the wedge surface of the wedge block; the pressure spring is arranged at one end of the wedge block in the sliding direction, the push rod is fixedly arranged at one end of the wedge block far away from the pressure spring, and the push rod extends along the length direction of the pressure roller and is inserted into the rotating shaft; the driving rod penetrates through the rotating shaft and slides towards the direction close to or far away from the axis of the rotating shaft, one end of the driving rod, which is inserted into the rotating shaft, is fixedly connected with the push rod, and the pressure spring drives the wedge block to slide so that the limiting block drives the cutter to slide towards the direction close to the axis of the compression roller.
Through adopting the technical scheme, when the cutter faces the conveying belt, the driving rod is pushed to enable the driving rod to push the push rod to slide towards the wedge block, the wedge block compresses the pressure spring, the limiting block slides towards the cutter along the wedge face of the wedge block under the action of gravity, the limiting block drives the connecting rod to slide, the connecting rod drives the cutter to slide towards the conveying belt, and the cutter stretches out of the compression roller to cut paper through sliding; after the thrust of the push rod is removed, the pressure spring rebounds, and the cutter is retracted into the pressure roller to reset.
Optionally, two ends of the wedge surface of the wedge block in the length direction are provided with stop blocks.
Through adopting above-mentioned technical scheme, through setting up the dog, carry out spacingly to the slip route of stopper, reduced the probability that the cutter breaks away from with the wedge because of the atress is too big.
Optionally, a spring is arranged at one end of the connecting rod, which is away from the cutter, and one end of the spring, which is away from the connecting rod, is abutted against the inner side wall of the press roller; the spring drives the cutter to slide towards the direction far away from the central axis of the compression roller.
By adopting the technical scheme, the spring is arranged to enable the cutter to pop up the compression roller for energy storage, so that the cutter can pop up rapidly for cutting, and the cutting efficiency of the cutter is improved; meanwhile, the probability that the cutter is impacted on the inner wall of the press roller by centrifugal force when rotating along with the press roller is reduced.
Optionally, the frame body is provided with the sloping block, and the compression roller rotates in-process actuating lever and sloping block striking, makes the actuating lever slide along the pressure spring direction that is towards.
By adopting the technical scheme, the inclined blocks are arranged on the frame body, so that the driving rod collides with the driving rod in the rotation process of the driving rod along with the press roller, and the driving rod pushes the connecting rod to drive the cutter to extend out of the press roller, so that the paper is cut at equal intervals; providing paper semi-finished products with equal length for the post-process processing of paper.
Optionally, a screw rod is rotatably arranged on the frame body, the screw rod is parallel to the press roller, and the screw rod penetrates through the inclined block and is in threaded connection with the inclined block; the screw rod rotates to drive the inclined block to slide along the length direction of the screw rod.
Through adopting above-mentioned technical scheme, rotate on the support body and set up the lead screw, make the sloping block slide along lead screw length direction to adjust the time point that drive block and sloping block impacted, adjust the cutting of paper length.
Optionally, an auxiliary gear is fixedly arranged on the screw rod, a driving gear is fixedly arranged on the rotating shaft, the auxiliary gear is meshed with the driving gear, and the screw rod is a reciprocating screw rod.
By adopting the technical scheme, the screw rod and the compression roller can be linked through the engagement of the auxiliary gear and the driving gear, so that the power resource is saved; because the compression roller is unidirectionally rotated, the screw rod is a reciprocating screw rod for enabling the inclined block to reciprocate.
Optionally, the machine body is provided with a driving roller and a driven roller, the driving roller and the driven roller are respectively and rotatably arranged at two ends of one side of the machine body, which is away from the ground, and the conveying belt is sleeved on the driving roller and the driven roller; one end of the machine body in the width direction is provided with a motor, the motor is connected with one end of the driving roller in the length direction, one end of the driving roller, which is far away from the motor, is provided with a first synchronous belt pulley, and the motor, the driving roller and the first synchronous belt pulley coaxially rotate; the frame body is rotatably provided with a driven gear; the driven gear is coaxially provided with a second synchronous pulley, and a synchronous belt is sleeved between the first synchronous pulley and the second synchronous pulley; the driving gear and the driven gear are meshed with each other.
Through adopting above-mentioned technical scheme, make driven gear drive driving gear through the hold-in range rotate, drive the compression roller rotation when making motor drive driving roller, reduced the use of motor, improved the utilization ratio of resource.
Optionally, a power piece is arranged between the frame body and the machine body, and the power piece drives the frame body to slide along the direction approaching or departing from the machine body.
Through adopting above-mentioned technical scheme, through sliding and setting up the support body, make pivot and lead screw synchronous slip, adjust the clearance between compression roller and the conveyer belt to be applicable to the paper of different thickness and squeeze the cutting.
A method of making paper using a dewatering device, comprising the steps of:
s1: pulping, namely forming wood pulp by smashing wood and fusing the smashed wood with water;
s2: screening paper, namely diluting wood pulp, and screening impurities and undissociated fiber bundles to form paper through screening equipment;
s3: the net part is used for uniformly dumping paper materials on a net-shaped conveying belt for conveying, and filtering and interweaving are performed while conveying;
s4: pressing and cutting, namely compacting and dehydrating the paper behind the net part by using a pressing roller arranged on a conveying belt, and cutting the paper by using a cutter;
s5: drying, namely drying the wet paper by using hot steam;
s6: calendering, namely flattening the surface of the paper by using a calender;
s7: sorting, namely sorting paper according to different colors;
s8: packaging, namely packaging the sorted paper.
By adopting the paper making method, the paper is segmented while being pressed, the paper rolling process is omitted, and the probability of paper damage caused by the paper rolling process and the paper rolling process in the long-distance transportation process is reduced.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the paper making process is optimized, and the probability of damaging paper in the paper winding process and the long-distance transportation process is reduced;
2. the driving rod is impacted at equal time intervals by the inclined block through the reciprocating screw rod, so that the pressed paper is equidistantly divided;
3. a motor is used for driving the whole equipment, so that the utilization rate of the motor is improved.
Drawings
Fig. 1 is an assembly view of a dewatering apparatus for papermaking.
Fig. 2 is a press roll cross-sectional view of a dewatering apparatus for papermaking.
Fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 2.
Fig. 5 is a cross-sectional end view of a press roll.
Reference numerals illustrate: 1. a body; 2. a conveyor belt; 3. a press roller; 4. a rotating shaft; 5. a frame body; 6. a cutter; 7. a driving member; 71. a connecting rod; 72. a limiting block; 73. wedge blocks; 74. a pressure spring; 75. a push rod; 76. a driving rod; 8. a stop block; 9. a spring; 10. a sloping block; 11. a screw rod; 12. an auxiliary gear; 13. a drive gear; 14. a driving roller; 15. driven roller; 16. a motor; 17. a driven gear; 18. a first synchronous pulley; 19. a second synchronous pulley; 20. a synchronous belt; 21. and (5) an electric cylinder.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
Paper machines are machines that include stock preparation, pulping, papermaking, up to a reel or flat Zhang Chengpin, and processing of paper and board; the papermaking dewatering equipment is an indispensable equipment used in papermaking dewatering.
The embodiment of the application discloses dehydration equipment and a dehydration method for papermaking; referring to fig. 1, 2 and 3, the device comprises a machine body 1 and a conveyer belt 2, wherein the machine body 1 is placed on the ground, a side frame of the machine body 1, which is far away from the ground, is provided with a driving roller 14 and a driven roller 15, the conveyer belt 2 is sleeved on the driving roller 14 and the driven roller 15, the conveyer belt 2 is preferably a copper wire mesh, and the conveyer belt 2 is conveyed along the length direction of the machine body 1; the machine body 1 is provided with two frame bodies 5 at one end, close to the output end of the conveying belt 2, in the length direction, of the machine body 1, the two frame bodies 5 are detachably erected on one side, away from the ground, of the machine body 1, and the two frame bodies 5 are respectively erected at two ends in the width direction of the machine body 1; the side of the frame body 5, which is far away from the machine body 1, is penetrated and coaxially provided with a rotating shaft 4 in a rotating way; the compression roller 3 is fixedly arranged between the two rotating shafts 4; the compression roller 3 and the conveying belt 2 are arranged at a gap at one side away from the machine body 1; a cutter 6 which slides along the direction approaching or separating from the axial lead of the press roller 3 is arranged in the press roller 3; a driving piece 7 is arranged in the compression roller 3, and the driving piece 7 drives the cutter 6 to slide; when the driving piece 7 drives the cutter 6 to slide away from the central axis direction of the press roller 3, the cutter 6 extends out of the press roller 3 towards the direction perpendicular to the conveying belt 2 to cut the pressed workpiece.
Referring to fig. 3, the driving member 7 includes a link 71, a stopper 72, a wedge 73, a compression spring 74, a push rod 75, and a driving lever 76; the number of the connecting rods 71, the limiting blocks 72, the wedge blocks 73 and the pressure springs 74 is preferably three, and the number of the push rods 75 is preferably one; the three connecting rods 71 are uniformly distributed along the length direction of the cutter 6, one end of each connecting rod 71 is fixedly connected with one end of the cutter 6 close to the central axis, the connecting rods 71 only slide in the compression roller 3 along the sliding direction of the cutter 6, and the stability of the cutter 6 during sliding can be improved by arranging the three connecting rods 71; the three limiting blocks 72 are respectively and fixedly arranged at one end, far away from the cutter 6, of the three connecting rods 71, and the limiting blocks 72 are perpendicular to the connecting rods 71; the wedge 73 slides in the press roller 3; the wedge-shaped block 73 slides along the sliding direction perpendicular to the cutter 6, and the limiting block 72 is abutted on the wedge-shaped surface of the wedge-shaped block 73; one end of a pressure spring 74 is connected to one end of the wedge block 73 in the sliding direction, and one end of the pressure spring 74, which is far away from the wedge block 73, is abutted against the inner side wall of the compression roller 3; the push rod 75 is fixedly arranged at one end of the wedge-shaped block 73 far away from the pressure spring 74, and two ends of the push rod 75 extend along the length direction of the pressure roller 3 and are respectively inserted into the rotating shafts 4 at two ends of the pressure roller 3; the two driving rods 76 penetrate through the rotating shafts 4 at the two ends of the press roller 3 respectively and slide towards the direction close to or far away from the axis of the rotating shafts 4, one end of the driving rod 76 inserted into the rotating shaft 4 is fixedly connected with the push rod 75, the push rod 75 is driven by the driving rod 76 to compress the pressure spring 74, the pressure spring 74 drives the wedge block 73 to slide, the limiting block 72 is abutted to the wedge surface because the limiting block 72 is abutted to the wedge surface of the wedge block 73 all the time when the wedge block 73 slides towards the direction of the cutter 6, and the limiting block 72 slides to drive the connecting rod 71 to drive the cutter 6 to slide, so that the cutter 6 extends out of the press roller 3 to cut.
Referring to fig. 3, two stoppers 8 are provided on the wedge surface of the wedge block 73, the two stoppers 8 are respectively provided on the wedge surface of the wedge block 73 near and far from the two ends of the cutter 6, the stoppers 8 can block the stopper 72, and the probability that the stopper 72 is separated from the wedge block 73 is reduced; one end of the connecting rod 71, which is far away from the cutter 6, is provided with a spring 9, one end of the spring 9, which is far away from the connecting rod 71, is directly abutted against the inner side wall of the press roller 3, and the spring 9 provides elasticity for the cutter 6, so that the probability that the cutter 6 is impacted against the inner wall of the press roller 3 by centrifugal force when rotating along with the press roller 3 is reduced; the spring 9 drives the cutter 6 to slide towards the direction far away from the central axis of the compression roller 3; the elastic force of the pressure spring 74 is larger than that of the spring 9, so that the probability that the elastic force of the spring 9 drives the wedge block 73 to slide is reduced.
Referring to fig. 2, a motor 16 is fixedly arranged at one end of the machine body 1 in the width direction, the motor 16 is connected with one end of the driving roller 14 in the length direction, a first synchronous belt pulley 18 is arranged at one end of the driving roller 14, which is far away from the motor 16, and the motor 16, the driving roller 14 and the first synchronous belt pulley 18 coaxially rotate; the frame body 5 is provided with a driven gear 17 in a rotating way towards one side of the first synchronous pulley 18, one side of the driven gear 17 away from the frame body 5 is coaxially provided with a second synchronous pulley 19, and a synchronous belt 20 is sleeved between the first synchronous pulley 18 and the second synchronous pulley 19; the rotating shaft 4 is provided with a driving gear 13, the driving gear 13 and a driven gear 17 are meshed with each other, and the gear ratio of the driving gear 13 to the driven gear 17 is 1:1; the driven gear 17 can make the direction of rotation of the press roller 3 and the conveying belt 2 opposite, and the conveying direction of the conveying belt 2 is opposite to the press roller 3, so that the squeezing and dewatering effects are improved.
Referring to fig. 4, a sloping block 10 is placed on the frame 5, and the sloping surface of the sloping block 10 is arranged away from the frame 5; one end of the driving rod 76 far away from the compression roller 3 in the rotation process of the compression roller 3 collides with the inclined surface of the inclined block 10, the inclined surface drives the driving rod 76 to slide along the direction towards the compression spring 74 through the collision, and when the driving rod 76 collides with the inclined surface, the cutter 6 is arranged towards the conveying belt 2.
Referring to fig. 4, two ends of the frame body 5 in the width direction are detachably and rotatably provided with a reciprocating screw rod, the reciprocating screw rod is arranged in parallel with the press roller 3, and one end of the reciprocating screw rod, which faces the outside of the machine body 1, is provided with an auxiliary gear 12; the driving gears 13 are sleeved at the two ends of the rotating shaft 4, and the driving gears 13 are meshed with the auxiliary gears 12 and drive the reciprocating screw rod to rotate; the gear ratio of the driving gear 13 to the auxiliary gear 12 is 1:1; the inclined block 10 is sleeved on the reciprocating screw rod and is in threaded connection with the reciprocating screw rod, the reciprocating screw rod drives the inclined block 10 to slide back and forth along the width direction of the machine body 1 on the machine frame, the reciprocating screw rod drives the inclined block 10 to slide back and forth, and the inclined block 10 can collide with the driving rod 76 after the reciprocating screw rod rotates for a proper circle by selecting the reciprocating screw rod with proper threads, so that the cutting time point of the cutter 6 is adjusted, and the cutting length is adjusted.
Referring to fig. 4, an electric cylinder 21 is installed between the frame 5 and the machine body 1, the electric cylinder 21 is embedded in the machine body 1, the electric cylinder 21 stretches and contracts in a direction towards or away from the frame 5, and the gap between the press roller 3 and the conveyor belt 2 is adjusted by stretching and contracting the electric cylinder 21, so that the press roller 3 is suitable for different thicknesses.
The embodiment of the application discloses a papermaking method of dewatering equipment, which comprises the following steps: s1: using wood to break up and fuse with water; s2: diluting the concentration by adding water, and screening out impurities and undissolved fiber bundles by using a screening machine; s3: pouring the screened materials into a conveying belt 2 which rotates circularly to filter water and interweave; s4: a press roller 3 is arranged in the conveying direction of the conveying belt 2, and the press roller 3 performs press dehydration; the cutter 6 in the press roller 3 cuts the pair of rolls while the press roller 3 dehydrates the pair of rolls; s5: drying the wet paper by using hot steam of a dryer; s6: carrying out smoothing treatment on the dried surface by using a calender; s7: using a separator to carry out color forming separation after calendaring; s8: packaging the sorted materials.
The implementation principle of the embodiment of the application is as follows: after screening is completed, starting an electric cylinder 21, and adjusting the gap between the press roller 3 and the conveying belt 2 according to the required cutting thickness; selecting a reciprocating screw rod with proper screw thread turns according to the required cutting length; after the screened conveyor belt 2 is added, a motor 16 is started, the motor 16 drives the conveyor belt 2 to convey towards the press roller 3, the press roller 3 is driven to press and dewater, and the press roller 3 rotates to drive a reciprocating screw rod to rotate; the inclined block 10 on the reciprocating screw rod impacts the driving rod 76, so that the driving rod 76 pushes the push rod 75 to compress the pressure spring 74, the wedge block 73 slides to enable the limiting block 72 to abut against the wedge surface to slide towards the cutter 6 under the action of gravity, and the cutter 6 rapidly stretches out of the compression roller 3 to cut the pressed workpiece; after cutting is completed, the driving rod 76 is separated from the inclined block 10, the thrust of the inclined block 10 to the driving rod 76 is removed, and the pressure spring 74 drives the wedge block 73 to slide towards the direction that the driving rod 76 extends out of the rotating shaft 4, so that the cutter 6 and the driving piece 7 are reset, and dehydration cutting is completed; and conveying the cut material to a subsequent station for subsequent processing.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.

Claims (9)

1. The dewatering equipment for papermaking comprises a machine body (1) and a conveying belt (2), wherein the machine body (1) is arranged on the ground, and the conveying belt (2) is arranged on one side of the machine body (1) away from the ground; the conveying belt (2) conveys along the length direction of the machine body (1); a press roller (3) is arranged on one side, away from the machine body (1), of the conveying belt (2), and rotating shafts (4) are coaxially arranged at two ends of the press roller (3); the machine body (1) is provided with a frame body (5) in the width direction, and the rotating shaft (4) penetrates through the frame body (5) and is rotatably arranged on the frame body (5); the compression roller (3) is arranged in a clearance with the conveying belt (2); the method is characterized in that: a cutter (6) and a driving piece (7) are arranged in the compression roller (3); the cutter (6) is arranged in the press roller (3), the driving piece (7) drives the cutter (6) to slide along the direction close to or far away from the central axis of the press roller (3), and when the cutter (6) slides along the direction far away from the central axis of the press roller (3), the cutter (6) stretches out of the press roller (3), wherein the driving piece (7) comprises a connecting rod (71), a limiting block (72), a wedge block (73), a pressure spring (74), a push rod (75) and a driving rod (76); the connecting rod (71) is arranged at one end of the cutter (6) close to the central axis of the press roller (3); the limiting block (72) is arranged at one end of the connecting rod (71) far away from the cutter (6); the wedge block (73) is arranged in the compression roller (3) in a sliding mode, the wedge block (73) slides along the sliding direction perpendicular to the cutter (6), and the limiting block (72) is abutted to the wedge surface of the wedge block (73); the pressure spring (74) is arranged at one end of the wedge block (73) in the sliding direction, the push rod (75) is fixedly arranged at one end of the wedge block (73) far away from the pressure spring (74), and the push rod (75) extends along the length direction of the pressure roller (3) and is inserted into the rotating shaft (4); the driving rod (76) penetrates through the rotating shaft (4) and slides towards the direction close to or far away from the axis of the rotating shaft (4), one end of the driving rod (76) inserted into the rotating shaft (4) is fixedly connected with the push rod (75), and the pressure spring (74) drives the wedge block (73) to slide so that the limiting block (72) drives the cutter (6) to slide towards the direction close to the axis of the compression roller (3).
2. A dewatering device for paper making according to claim 1, characterized in that: the two ends of the wedge-shaped surface of the wedge-shaped block (73) in the length direction are provided with stop blocks (8).
3. A dewatering device for paper making according to claim 2, characterized in that: one end of the connecting rod (71) deviating from the cutter (6) is provided with a spring (9), and one end of the spring (9) deviating from the connecting rod (71) is abutted on the inner side wall of the press roller (3); the spring (9) drives the cutter (6) to slide towards the direction far away from the central axis of the compression roller (3).
4. A dewatering device for paper making according to claim 3, characterized in that: the frame body (5) is provided with an inclined block (10), and a driving rod (76) collides with the inclined block (10) in the rotation process of the press roll (3) so that the driving rod (76) slides along the direction towards the press spring (74).
5. A dewatering apparatus for papermaking as set forth in claim 4, wherein: a screw rod (11) is rotatably arranged on the frame body (5), the screw rod (11) is parallel to the press roller (3), and the screw rod (11) penetrates through the inclined block (10) and is in threaded connection with the inclined block (10); the screw rod (11) rotates to drive the inclined block (10) to slide along the length direction of the screw rod (11).
6. A dewatering apparatus for papermaking according to claim 5, characterized in that: an auxiliary gear (12) is fixedly arranged on the screw rod (11), a driving gear (13) is fixedly arranged on the rotating shaft (4), the auxiliary gear (12) is meshed with the driving gear (13), and the screw rod (11) is a reciprocating screw rod.
7. A dewatering device for paper making according to claim 6, characterized in that: the machine body (1) is provided with a driving roller (14) and a driven roller (15), the driving roller (14) and the driven roller (15) are respectively and rotatably arranged at two ends of one side of the machine body (1) away from the ground, and the conveying belt (2) is sleeved on the driving roller (14) and the driven roller (15); one end of the machine body (1) in the width direction is provided with a motor (16), the motor (16) is connected with one end of the driving roller (14) in the length direction, one end of the driving roller (14) far away from the motor (16) is provided with a first synchronous belt wheel (18), and the motor (16), the driving roller (14) and the first synchronous belt wheel (18) coaxially rotate; a driven gear (17) is rotatably arranged on the frame body (5); a second synchronous pulley (19) is coaxially arranged on the driven gear (17), and a synchronous belt (20) is sleeved between the first synchronous pulley (18) and the second synchronous pulley (19); the driving gear (13) is meshed with the driven gear (17).
8. A dewatering device for paper making according to claim 7, characterized in that: a power piece is arranged between the frame body (5) and the machine body (1), and the power piece drives the frame body (5) to slide along the direction approaching or separating from the machine body (1).
9. A method of making paper using the dewatering apparatus of claim 8, comprising the steps of:
s1: pulping, namely crushing wood and fusing the crushed wood with water;
s2: screening, namely diluting, and screening impurities and undissociated fiber bundles to form by screening equipment;
s3: the net part is used for uniformly dumping and conveying the net part on a belt-shaped conveying belt (2), and filtering and interweaving the net part while conveying the net part;
s4: pressing and cutting, namely compacting and dehydrating the net part by using a pressing roller (3) arranged on a conveying belt (2), and cutting by using a cutter (6);
s5: drying, namely drying the wet paper by using hot steam;
s6: calendering, namely flattening the surface of the paper by using a calender;
s7: sorting, namely sorting according to different color forming pairs;
s8: packaging, namely packaging the sorted products.
CN202210994057.2A 2022-08-18 2022-08-18 Dewatering equipment and method for papermaking Active CN115595817B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207001834U (en) * 2017-05-19 2018-02-13 广州市奕鸣装饰材料有限公司 One kind dipping paper product transport production line
CN209411365U (en) * 2018-12-12 2019-09-20 浙江新中商务印刷有限公司 A kind of transmission device for paper cutter
CN110396856A (en) * 2019-08-22 2019-11-01 浙江荣晟环保纸业股份有限公司 Control the paper technology of the DCS in plain boiled water
CN111218836A (en) * 2020-01-20 2020-06-02 杭州萧山南阳造纸有限公司 Rewinding splitting machine and bobbin paper manufacturing process applying same
CN212021819U (en) * 2020-03-25 2020-11-27 海宁市和盛彩印有限公司 Drive of system bag machine cuts integrative device
CN213946532U (en) * 2020-09-16 2021-08-13 郑州豫兴印刷有限公司 Book edge cutting and conveying device
CN215829145U (en) * 2021-08-02 2022-02-15 浙江天耀纸业有限公司 Improved squeezing roller for papermaking dehydration

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN207001834U (en) * 2017-05-19 2018-02-13 广州市奕鸣装饰材料有限公司 One kind dipping paper product transport production line
CN209411365U (en) * 2018-12-12 2019-09-20 浙江新中商务印刷有限公司 A kind of transmission device for paper cutter
CN110396856A (en) * 2019-08-22 2019-11-01 浙江荣晟环保纸业股份有限公司 Control the paper technology of the DCS in plain boiled water
CN111218836A (en) * 2020-01-20 2020-06-02 杭州萧山南阳造纸有限公司 Rewinding splitting machine and bobbin paper manufacturing process applying same
CN212021819U (en) * 2020-03-25 2020-11-27 海宁市和盛彩印有限公司 Drive of system bag machine cuts integrative device
CN213946532U (en) * 2020-09-16 2021-08-13 郑州豫兴印刷有限公司 Book edge cutting and conveying device
CN215829145U (en) * 2021-08-02 2022-02-15 浙江天耀纸业有限公司 Improved squeezing roller for papermaking dehydration

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