CN209941389U

CN209941389U - Multi-cylinder paper machine with long mesh

Info

Publication number: CN209941389U
Application number: CN201920399994.7U
Authority: CN
Inventors: 李砚丰; 于全武; 李树光; 朱小江; 吴莉莉
Original assignee: Hangzhou North Star Light Industry And Machinery Co Ltd
Current assignee: Hangzhou North Star Light Industry And Machinery Co Ltd
Priority date: 2019-03-27
Filing date: 2019-03-27
Publication date: 2020-01-14
Anticipated expiration: 2029-03-27

Abstract

The utility model relates to a multi-cylinder paper machine with long net, wherein, a pulp flow box, a breast roll and a couch roll are all arranged on a frame, a dewatering long net forms an annular dewatering net through the support of the breast roll and the couch roll, and the pulp flow box is positioned at one end of the dewatering long net; the upper-layer dewatering net is horizontally arranged, and four first wiper assemblies, two jumping paddle assemblies, two second wiper assemblies, two third wiper assemblies and four vacuum dewatering boxes are sequentially and horizontally arranged below the upper-layer dewatering net from left to right; the rolling portion includes rolling machine part and automatic change device of winding roll, and in this application, the level is provided with four and scrapes water the subassembly from a left side from the right side in proper order below the upper dehydration net of taking shape dehydration portion, two jump the oar subassembly, two No. two scrape water the subassembly, two No. three scrape water the subassembly and four vacuum dehydration case, according to the speed of dehydration, progressively strengthen the ability of dehydration, utilize automatic change device of winding roll to change the winding roll, the manpower has been saved greatly to efficiency obtains improving.

Description

Multi-cylinder paper machine with long mesh

Technical Field

The utility model relates to a paper machine technical field, specifically say, relate to a fourdrinier wire multi-cylinder paper machine.

Background

Paper is indispensable in life and work of people and plays an important role in life of people. With the development of national economy and scientific and cultural education cause, the requirements of paper are greatly improved in quantity and quality. Paper machines are the main tools for producing paper, and the quality of the paper production process is a big concern for the yield, quality and consumption of raw materials.

The paper machine mainly comprises a fourdrinier machine, a cylinder machine, a clamping machine and a compound machine, wherein the fourdrinier machine is most widely applied, the existing 2200mm fourdrinier machine has the phenomenon of poor paper formation in the using process, in addition, a winder at the tail end of the paper machine has the defect that a winding roller needs to be manually replaced, the labor capacity of workers is increased, and the efficiency of paper winding is influenced, so that the existing fourdrinier machine needs to be improved and optimized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable, the finished paper evenness good, the paper rolling is effectual, the long net multi-cylinder paper machine of automatic change paper roll.

The utility model provides a technical scheme that above-mentioned problem adopted is: the utility model provides a fourdrinier wire multi-cylinder paper machine, includes the dehydration portion that takes shape, press portion, drying portion, calendering portion and the rolling portion that sets gradually according to paper production flow, and paper pulp is through the dehydration portion that takes shape completion paper shaping, and the paper after the shaping gets into the press portion and accomplishes the moisture extrusion, gets into the drying portion afterwards and accomplishes the paper stoving, and the paper of stoving gets into the calendering portion and accomplishes and get into the rolling portion after the surface calendering and make the scroll, its characterized in that: the forming and dewatering part comprises a frame, a head box, a dewatering fourdrinier wire, a breast roll and a couch roll; the head box, the breast roll and the couch roll are all arranged on the frame, the dewatering fourdrinier wire is supported by the breast roll and the couch roll to form an annular dewatering net, and the head box is positioned at one end of the dewatering fourdrinier wire; the dewatering long net is divided into an upper dewatering net and a lower dewatering net; the upper-layer dewatering net is horizontally arranged, and four first wiper assemblies, two jumping paddle assemblies, two second wiper assemblies, two third wiper assemblies and four vacuum dewatering boxes are sequentially and horizontally arranged below the upper-layer dewatering net from left to right; the top of the first water wiping component is provided with three water wiping plates, the top of the second water wiping component is provided with five water wiping plates, the top of the third water wiping component is provided with seven water wiping plates, and the upper surfaces of the water wiping plates on the first water wiping component, the second water wiping component and the third water wiping component are all contacted with the bottom surface of the upper-layer dewatering net; five jump paddle plates are arranged at the top of the jump paddle component, and the upper surfaces of the jump paddle plates are in a wave-shaped convex shape; the winding part comprises a winding machine part and an automatic paper winding roll replacing device, wherein the winding machine part comprises a base, a paper winding cylinder, a fork frame tilting mechanism, a paper roll pressurizing mechanism and two rails for supporting the paper winding roll; the paper roll cylinder, the fork tilting mechanism, the paper roll pressurizing mechanism and the rails are all arranged on the base, wherein the paper roll cylinder and the fork tilting mechanism are arranged at the left part of the base, the two rails are arranged at the right part of the base, and the two paper roll pressurizing mechanisms are respectively arranged at the lateral positions of the two rails; the automatic paper winding roller replacing device comprises a paper winding roller placing table, a cross beam and an electric hoist; the platform is placed to the paper roll supports through a plurality of stands and sets up near crotch mechanism department of verting to the paper roll is placed the platform and is leaned on the crotch mechanism of verting and set up, the crossbeam level sets up in the top of crotch mechanism of verting, electric block installs on the crossbeam to remove about following the crossbeam, electric block places the paper roll of bench through removing about and elevating movement and shifts to the crotch mechanism of verting.

Preferably, lower floor's dehydration net department has set gradually No. one from the left side from the right side and has led the wire net roller, a correction roller, tensioning roller, No. two correction rollers and No. two wire net rollers.

Preferably, one side of the top of a correction roller and No. two correction rollers and No. two guide wire rollers all is provided with the cleaning brush.

Preferably, the both ends of crossbeam are provided with respectively and are used for carrying on spacing backstop piece one and backstop piece two when doing horizontal migration to electric block along the crossbeam.

Preferably, the paper roll pressurizing mechanism of the utility model comprises a rotating arm, a first pressurizing cylinder and a second pressurizing cylinder, wherein one end of the rotating arm is hinged on the base, the other end of the rotating arm is a C-shaped claw part for holding the end part of the paper roll, one end of the first pressurizing cylinder is hinged on the upper part of the rotating arm, and the other end of the first pressurizing cylinder is hinged on the base; one end of the second pressurizing cylinder is hinged to the lower part of the rotating arm, and the other end of the second pressurizing cylinder is hinged to the base.

Preferably, the left side of the paper reeling cylinder is also provided with a paper guiding roller.

Compared with the prior art, the utility model, have following advantage and effect: four first water scraping assemblies are horizontally arranged below an upper layer dewatering net of a forming dewatering part from left to right in sequence, two jumping paddle assemblies, two second water scraping assemblies, two third water scraping assemblies and four vacuum dewatering boxes, three water scraping plates are arranged at the top of the first water scraping assemblies, five water scraping plates are arranged at the top of the second water scraping assemblies, seven water scraping plates are arranged at the top of the third water scraping assemblies, dewatering capacity is gradually improved, the control requirements on dewatering and forming of paper sheets are strict at the initial stage of paper pulp surfing, the dewatering speed is controlled, the dewatering capacity is gradually enhanced according to the dewatering speed, after the paper sheets are shaped, forced dewatering is carried out again, the dewatering capacity is gradually enhanced on the premise that good forming of the paper sheets is guaranteed, and the dryness and the strength of wet paper entering a couch roll are improved as much as possible. The wavy bulge on the surface of the beating component can play a role of disturbing pulp, so that fibers in paper pulp are dispersed and rearranged to ensure the uniformity of paper; the automatic paper winding roll replacing device is used for replacing the paper winding roll, so that labor is greatly saved, and the efficiency is improved.

Drawings

In order to illustrate the embodiments of the present invention or the solutions in the prior art more clearly, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a schematic structural view of a forming dehydration part in the embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a wiper assembly according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a wiper assembly No. two in the embodiment of the present invention.

Fig. 5 is a schematic structural diagram of a third wiper assembly in an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a jumping paddle assembly in an embodiment of the present invention.

Fig. 7 is a schematic structural view of the winding part in the embodiment of the present invention.

Fig. 8 is a schematic structural view of a winder portion in the embodiment of the present invention.

Description of reference numerals: the device comprises a frame 1, a head box 2, a breast roll 3, a couch roll 4, a dewatering fourdrinier wire 5, a first wiping assembly 6, a jumping paddle assembly 7, a jumping paddle plate 71, a second wiping assembly 8, a vacuum dewatering box 9, a first wire guide roll 10, a first correcting roll 11, a tensioning roll 12, a second correcting roll 13, a second wire guide roll 14, a cleaning brush 15, a third wiping assembly 16, a base 20, a paper winding cylinder 21, a fork tilting mechanism 22, a paper winding pressurization mechanism 23, a rotating arm 231, a first pressurization cylinder 232, a second pressurization cylinder 233, a track 24, a paper winding roll placing table 25, a cross beam 26, a first stop block 261, a second stop block 262, an electric hoist 27, a stand column 28, a paper winding roll 29 and a paper guide roll 30.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

See fig. 1-8.

The embodiment is a fourdrinier wire multi-cylinder paper machine, including the dehydration portion that takes shape, press section, drying portion, the portion of calendering and the rolling portion that sets gradually according to paper production flow, paper pulp accomplishes the paper through dehydration portion that takes shape and takes shape, and the paper after the shaping gets into the press section and accomplishes the moisture extrusion, gets into the drying portion afterwards and accomplishes the paper stoving, and the paper of stoving gets into the portion of calendering and accomplishes the paper roll of getting into the rolling portion after the surface is calendered. Reference is made to the prior art in connection with the press section, the dryer section and the calender section.

In this embodiment the forming and dewatering section comprises a frame 1, a headbox 2, a dewatering fourdrinier wire 5, a breast roll 3 and a couch roll 4. The head box 2, the breast roll 3 and the couch roll 4 are all arranged on the frame 1, the dewatering fourdrinier wire 5 is supported by the breast roll 3 and the couch roll 4 to form an annular dewatering wire, and the head box 2 is positioned at one end of the dewatering fourdrinier wire 5.

In this embodiment, the dewatering wire 5 is divided into an upper dewatering wire and a lower dewatering wire; the upper layer dewatering net is horizontally arranged, and four first wiper components 6, two jumping paddle components 7, two second wiper components 8, two third wiper components 16 and four vacuum dewatering boxes 9 are sequentially and horizontally arranged below the upper layer dewatering net from left to right. The top of wiping subassembly 6 sets up three wiper blade, and the top of wiping subassembly 8 for two sets up five wiper blades, and the top of wiping subassembly 16 for three sets up seven wiper blades, and the upper surface of wiping the wiper blade on subassembly 6, the subassembly 8 of wiping and the subassembly 16 of three wiping all contacts with the bottom surface of upper strata dehydration net. A first wire guiding roller 10, a first correcting roller 11, a tensioning roller 12, a second correcting roller 13 and a second wire guiding roller 14 are sequentially arranged at the lower layer dewatering net from left to right. A washing brush 15 is arranged above the first correcting roller 11 and the second correcting roller 13 and on one side of the second screen guide roller 14.

In this embodiment, because the control requirements for dewatering and forming of the paper sheet are strict at the early stage of the pulp entering the wire, the dewatering speed is controlled, according to the dewatering speed, the dewatering capacity is required to be enhanced gradually, after the paper sheet is shaped, forced dewatering is carried out, on the premise of ensuring good formation of paper sheets, the dewatering capacity is gradually enhanced, and the dryness and strength of wet paper entering a couch roll are improved as much as possible, through four first wiper assemblies 6, two second wiper assemblies 8, two third wiper assemblies 16 and four vacuum dewatering boxes 9 which are arranged in sequence, and the number of the wiper plates arranged in the first wiper component 6, the second wiper component 8 and the third wiper component 16 is increased in turn, thereby, the dewatering capacity is gradually enhanced, and the high vacuum zone dewatering is realized by the vacuum dewatering box 9, and the prior art can be referred to for the concrete structure of the vacuum dewatering box 9.

In the embodiment, five jump paddle plates 71 are arranged at the top of the jump paddle assembly 7, and the upper surfaces of the jump paddle plates 71 are in a wave-shaped convex shape; the wavy bulges on the surface of the jumping paddle component 7 can play a role of disturbing pulp, so that fibers in paper pulp are dispersed and rearranged to ensure the uniformity of paper.

In the present embodiment, the winding section includes a winder section including a base 20, a winding cylinder 21, a fork tilting mechanism 22, a roll pressing mechanism 23, and two rails 24 for supporting a winding roller 29, and an automatic winding roller exchanging device. The paper winding cylinder 21, the fork tilting mechanism 22, the paper roll pressurizing mechanism 23 and the rails 24 are all arranged on the base 20, wherein the paper winding cylinder 21 and the fork tilting mechanism 22 are arranged on the left portion of the base 20, the paper guide roller 30 is further arranged on the left side of the paper winding cylinder 21, the two rails 24 are arranged on the right portion of the base 20, and the two paper roll pressurizing mechanisms 23 are arranged on the lateral side of the two rails 24 respectively.

In this embodiment, the automatic paper winding roll replacing device includes a paper winding roll placing table 25, a cross beam 26, and an electric hoist 27; the platen 25 is supported by a plurality of columns 28 and disposed near the fork tilting mechanism 22, and the platen 25 is tilted toward the fork tilting mechanism 22, and seven rolls 29 can be placed on the platen 25 in this embodiment.

In this embodiment, the cross beam 26 is horizontally disposed above the fork tilting mechanism 22, the electric hoist 27 is mounted on the cross beam 26 and moves left and right along the cross beam 26, and the electric hoist 27 transfers the winding rollers 29 on the winding roller placement table 25 to the fork tilting mechanism 22 through left and right movement and up and down movement. Two ends of the cross beam 26 are respectively provided with a first stop block 261 and a second stop block 262 for limiting the electric hoist 27 when moving horizontally along the cross beam.

In this embodiment, the paper roll pressurizing mechanism 23 includes a rotating arm 231, a first pressurizing cylinder 232 and a second pressurizing cylinder 233, one end of the rotating arm 231 is hinged to the base 20, the other end of the rotating arm 231 is a C-shaped claw portion for clasping the end portion of the paper roll 29, one end of the first pressurizing cylinder 232 is hinged to the upper portion of the rotating arm 231, and the other end is hinged to the base 20; the second pressurizing cylinder 233 has one end hinged to the lower portion of the rotating arm 231 and the other end hinged to the base 20.

In this embodiment, the paper calendered by the calender part enters the winding roller 29 in the fork tilting mechanism 22 through the paper guide roller 30, the winding cylinder 21 drives the winding roller 29 to rotate for winding, the fork tilting mechanism 22 compresses the winding roller 29 on the winding cylinder 21, and the fork tilting mechanism 22 rotates clockwise, and when the winding paper on the winding roller 29 reaches a certain thickness, the winding roller is transferred to the rail 24 to continue winding, at this time, under the action of the first pressurizing cylinder 232 and the second pressurizing cylinder 233, the winding roller 29 is always tightly attached to the winding cylinder 21 until winding is completed. When a new winding roller 29 needs to be replaced, the electric hoist 27 transfers the winding roller 29 on the winding roller placing platform 25 to the fork tilting mechanism 22 through left-right movement and lifting movement, and the winding roller 29 on the winding roller placing platform 25 automatically moves to the right due to the inclined arrangement of the winding roller placing platform 25, so that the electric hoist 27 is convenient to hang and take next time.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the patent idea of the utility model are included in the protection scope of the patent of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a fourdrinier wire multi-cylinder paper machine, includes the dehydration portion that takes shape, press portion, drying portion, calendering portion and the rolling portion that sets gradually according to paper production flow, and paper pulp is through the dehydration portion that takes shape completion paper shaping, and the paper after the shaping gets into the press portion and accomplishes the moisture extrusion, gets into the drying portion afterwards and accomplishes the paper stoving, and the paper of stoving gets into the calendering portion and accomplishes and get into the rolling portion after the surface calendering and make the scroll, its characterized in that: the forming and dewatering part comprises a frame (1), a head box (2), a dewatering fourdrinier wire (5), a breast roll (3) and a couch roll (4); the pulp flowing box (2), the breast roll (3) and the couch roll (4) are all arranged on the frame (1), the dewatering fourdrinier wire (5) is supported by the breast roll (3) and the couch roll (4) to form an annular dewatering wire, and the pulp flowing box (2) is positioned at one end of the dewatering fourdrinier wire (5); the dewatering long net (5) is divided into an upper dewatering net and a lower dewatering net; the upper-layer dewatering net is horizontally arranged, and four first wiper components (6), two jumping paddle components (7), two second wiper components (8), two third wiper components (16) and four vacuum dewatering boxes (9) are sequentially and horizontally arranged below the upper-layer dewatering net from left to right; the top of the first wiper component (6) is provided with three wiper plates, the top of the second wiper component (8) is provided with five wiper plates, the top of the third wiper component (16) is provided with seven wiper plates, and the upper surfaces of the wiper plates on the first wiper component (6), the second wiper component (8) and the third wiper component (16) are all contacted with the bottom surface of the upper-layer dewatering net; five jump paddle plates (71) are arranged at the top of the jump paddle component (7), and the upper surfaces of the jump paddle plates (71) are in a wave-shaped convex shape;

the winding part comprises a winding machine part and an automatic winding roller replacing device, wherein the winding machine part comprises a base (20), a winding cylinder (21), a fork tilting mechanism (22), a winding roller pressurizing mechanism (23) and two rails (24) for supporting winding rollers (29); the paper winding cylinder (21), the fork tilting mechanism (22), the paper roll pressurizing mechanism (23) and the rails (24) are all arranged on the base (20), wherein the paper winding cylinder (21) and the fork tilting mechanism (22) are arranged on the left part of the base (20), the two rails (24) are arranged on the right part of the base (20), and the paper roll pressurizing mechanisms (23) are provided with two sets and are respectively arranged at the lateral positions of the two rails (24); the automatic paper winding roller replacing device comprises a paper winding roller placing table (25), a cross beam (26) and an electric hoist (27); the paper winding roller placing table (25) is supported through a plurality of stand columns (28) and is arranged near a fork tilting mechanism (22), the paper winding roller placing table (25) is tilted towards the fork tilting mechanism (22), a cross beam (26) is horizontally arranged above the fork tilting mechanism (22), an electric hoist (27) is installed on the cross beam (26) and moves left and right along the cross beam (26), and the paper winding roller (29) on the paper winding roller placing table (25) is transferred to the fork tilting mechanism (22) through left and right movement and lifting movement of the electric hoist (27).

2. The fourdrinier multi-cylinder paper machine according to claim 1, characterized in that: the lower layer dewatering net is provided with a first net guide roller (10), a first correction roller (11), a tensioning roller (12), a second correction roller (13) and a second net guide roller (14) from left to right in sequence.

3. The fourdrinier multi-cylinder paper machine according to claim 2, characterized in that: and cleaning brushes (15) are arranged above the first correcting roller (11) and the second correcting roller (13) and on one side of the second screen guide roller (14).

4. The fourdrinier multi-cylinder paper machine according to claim 1, characterized in that: two ends of the cross beam (26) are respectively provided with a first stop block (261) and a second stop block (262) which are used for limiting the electric hoist (27) when the electric hoist moves horizontally along the cross beam.

5. The fourdrinier multi-cylinder paper machine according to claim 1, characterized in that: the paper roll pressurizing mechanism (23) comprises a rotating arm (231), a first pressurizing cylinder (232) and a second pressurizing cylinder (233), one end of the rotating arm (231) is hinged to the base (20), the other end of the rotating arm (231) is a C-shaped claw part used for holding the end part of the paper roll (29), one end of the first pressurizing cylinder (232) is hinged to the upper part of the rotating arm (231), and the other end of the first pressurizing cylinder (232) is hinged to the base (20); one end of the second pressurizing air cylinder (233) is hinged to the lower part of the rotating arm (231), and the other end of the second pressurizing air cylinder is hinged to the base (20).

6. The fourdrinier multi-cylinder paper machine according to claim 1, characterized in that: and a paper guide roller (30) is also arranged on the left side of the paper winding cylinder (21).