CN217052852U

CN217052852U - A wiper blade device for paper machine

Info

Publication number: CN217052852U
Application number: CN202123127485.5U
Authority: CN
Inventors: 徐春辉; 马洪生; 厉囡囡
Original assignee: Zhuhai Huafeng Paper Co ltd; Zhuhai Hongta Renheng Packaging Co ltd
Current assignee: Zhuhai Huafeng Paper Co ltd; Zhuhai Hongta Renheng Packaging Co ltd
Priority date: 2021-12-13
Filing date: 2021-12-13
Publication date: 2022-07-26
Anticipated expiration: 2031-12-13

Abstract

The utility model discloses a water scraping plate device for a paper machine, which is used for scraping water of a blind hole roller in the paper making process of paper pulp and comprises a U-shaped water receiving tank; a bottom plate which is supported and fixed at two ends of the U-shaped water receiving tank is arranged on the U-shaped water receiving tank and positioned on the side, rotating from bottom to top, of the blind hole roller; a scraping strip is fixed on the bottom plate along the axial direction of the blind hole roller, the front end of the scraping strip is lapped on the rotating blind hole roller, and slurry and dirt scraped from the surface of the blind hole roller are directly discharged into the U-shaped water receiving tank by utilizing the lower side surface of the scraping strip; the rear end of the bottom plate is also connected with a rear baffle plate along the vertical direction, and the rear baffle plate is used for shielding splashing water drops at the contact part of the scraping strip and the blind hole roller from splashing to the coarse cotton cloth on the upper side of the blind hole roller, so that dirt flows into paper to form paper breaking or paper defects; the bottom plate is also provided with at least one slurry leakage hole for the collected water drops and residual slurry on the blind hole roller to flow downwards to the slurry and impurities on the bottom plate along the upper side surface of the scraping strip by the leakage baffle plate; prevent sewage from dripping on the coarse cotton cloth, effectively improve the paper quality.

Description

A wiper blade device for paper machine

[ technical field ] A

The utility model relates to a water scraping technology of paper machine especially relates to a water scraping plate device for paper machine.

[ background of the invention ]

At present, in the production of paper making enterprises, a paper making machine is a machine for making paper by carrying out the processes of filter screen dehydration forming, mechanical extrusion dehydration, drying and the like on a pulp water suspension meeting the paper making requirements, and in the process of making paper, a dehydration device is an important element for wet-end dehydration and plays a role in removing water and sundries on a net on the surface of a roller body. The existing dehydration device comprises a water scraping plate, a forming plate and a vacuum water absorption box panel. The paper pulp flows through the forming plate to level the paper pulp, a small part of water is removed at the same time, then the paper pulp enters the dewatering plate to scrape water, finally the paper pulp enters the vacuum water absorption box panel, and the paper pulp is forcibly dewatered by vacuum, so that the dewatering forming of the paper pulp at the net part is realized.

The existing water scraping plate adopts a flat plate design, the scraping strip is made of common rubber, when the scraping strip is tightly attached to the blind hole roller surface, dirt on the roller surface of the blind hole roller is mixed with the scraped water and part of the scraped water enters a water receiving system after the scraping strip is scraped downwards by a hanging strip due to high front and low back, and meanwhile, the water scraping plate is free of overflow and a sewage discharge outlet, so that part of sewage overflows from two sides to cause pollution when the water amount is too large; or the dirt is carried to paper by the felt cloth which flows down along the inclined plane, and paper diseases such as black spots, pulp spots and the like are caused. In addition, the rubber material of scraping strip is easy ageing, still can cause the last part water of blind hole roller effectively to scrape out, leads to getting rid of water to entrance paper to lead to the production of the paper break and the too wet scheduling problem of coarse cotton cloth.

[ Utility model ] A method for manufacturing a semiconductor device

The utility model provides a simple structure prevents that roll surface sewage from dripping on the coarse cotton cloth that two pushed down, effectively prevents to get rid of disconnected paper and the sewage overflow problem that water caused, effectively improves the wiper device for paper machine of paper quality.

The utility model provides a technical scheme that its technical problem adopted is:

a water scraping plate device for a paper machine is used for scraping water of a blind hole roller in the process of making paper by paper pulp, and comprises a U-shaped water receiving tank which is axially supported and arranged on the lower side of the blind hole roller;

a bottom plate which is fixed at two ends of the U-shaped water receiving tank along an axial suspension beam of the blind hole roller is arranged on the U-shaped water receiving tank and positioned on the side, rotating from bottom to top, of the blind hole roller;

a scraping strip which is obliquely arranged from front edge to back edge is axially fixed on the bottom plate along the blind hole roller, the front end of the scraping strip is lapped on the rotating blind hole roller, and slurry and dirt scraped from the surface of the blind hole roller are directly discharged into the U-shaped water receiving tank by utilizing the lower side surface of the scraping strip;

the rear end of the bottom plate is also connected with a rear baffle plate along the vertical direction, and the rear baffle plate is used for shielding splashing water drops at the contact part of the scraping strip and the blind hole roller from splashing to the coarse cotton cloth on the upper side of the blind hole roller, so that dirt flows into paper to form paper breaking or paper faults;

the bottom plate is also provided with at least one slurry leakage hole for leaking water drops collected by the rear baffle and residual slurry on the blind hole roller and flowing down to the slurry and impurities on the bottom plate along the upper side surface of the scraping strip.

Preferably, the two ends of the bottom plate are respectively provided with a side baffle for preventing the upper side surface of the plate body from being overflowed by the sizing water and the sundries from the two ends.

Preferably, the upper end face of the U-shaped water receiving tank is higher than the central axis of the blind hole roller.

Preferably, the rear baffle is a plate body formed by integrally bending the rear end of the bottom plate by 90 degrees.

Preferably, the pulp leaking hole is a waist-shaped long hole.

Preferably, the scraping strip is an aging-resistant silica gel material, so that the speed of aging and cracking can be reduced while the roll surface of the blind hole roll is not damaged by the scraping strip, and the service life of the scraping strip is effectively prolonged.

The utility model has the advantages that:

the utility model discloses a setting of bottom plate rear end shelters from the backplate that scrapes strip and blind hole roller contact department and splash the water droplet, prevents to sputter to the coarse cotton cloth of blind hole roller upside on, causes the foul to flow in the paper and forms disconnected paper or paper defect.

Still be provided with a plurality of thick liquids that leak that are used for the thick liquid of bottom plate upside and debris to leak on the bottom plate, the bottom plate both ends still are equipped with the side shield that prevents that the side starching water and debris from both ends overflow on the plate body, be used for leaking remaining thick liquid on the blind hole roller and follow the thick liquid and debris that the scraping strip upper flank flows down to the bottom plate upside, and the water droplet of collection is sheltered from to the baffle, directly flow in the water receiving tank of lower part from leaking the thick liquid hole, prevent that the thick liquid overflow of bottom plate upside from leaking outward, avoid flowing into all kinds of paper trouble problems that the paper process caused, effectively improve the paper quality.

[ description of the drawings ]

Fig. 1 is a schematic perspective view of the present invention;

fig. 2 is a schematic side view of the present invention;

fig. 3 is an enlarged schematic view of an integrated structure of the middle bottom plate and the scraping strip of the present invention.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention. As used herein, the word "comprising" and similar words are intended to mean that the element or item listed before the word covers the element or item listed after the word and its equivalents, but does not exclude other elements or items.

The embodiments of the present invention will now be described with reference to the drawings.

A water scraping plate device for a paper machine is used for scraping water of a blind hole roller 1 in the process of making paper by paper pulp, and comprises a U-shaped water receiving tank 2 which is axially supported and arranged at the lower side of the blind hole roller 1, and the upper end surface of the rear side of the U-shaped water receiving tank is higher than the central axis of the blind hole roller 1; a bottom plate 3 which is fixed at two ends of the U-shaped water receiving tank 2 along an axial suspension beam of the blind hole roller 1 shaft is arranged on the U-shaped water receiving tank 2 at the side where the blind hole roller 1 rotates from bottom to top; a scraping strip 5 which is obliquely arranged from the front edge to the rear edge is fixedly locked on the bottom plate 3 along the axial direction of the blind hole roller 1 through a pressing strip 4, wherein the scraping strip 5 is made of an anti-aging silica gel material, so that the speed of aging and cracking can be reduced while the roller surface of the blind hole roller 1 is not damaged by the scraping strip 5, and the service life of the scraping strip 5 is effectively prolonged; the front end of the scraping strip 5 is lapped on the rotating blind hole roller 1, and the slurry and dirt scraped from the roller surface of the blind hole roller 1 are directly discharged into the U-shaped water receiving tank 2 by utilizing the lower side surface of the scraping strip 5.

As shown in fig. 1 to fig. 3, the rear end of the bottom plate 3 is further connected with a rear baffle 6 along the vertical direction, the rear baffle 6 is used for shielding splashing water drops at the contact part of the scraping strip 5 and the blind hole roller 1 from splashing to be sputtered onto the felt 10 on the upper side of the blind hole roller 1, the rear baffle 6 is a plate body formed by bending the rear end of the bottom plate 3 by 90 degrees, and dirt is prevented from flowing into paper to form paper breaking or paper faults through the rear baffle 6; six slurry leaking holes 7 which are uniformly distributed are further formed in the bottom plate 3, the slurry leaking holes 7 are used for leaking water drops collected by the baffle 6 and leaking slurry and sundries which flow downwards to the upper side of the bottom plate 3 along the upper side face of the scraping strip 5 and residual slurry on the blind hole roller 1, and the slurry leaking holes 7 are kidney-shaped long holes for preventing the slurry and the sundries from overflowing and leaking. In addition, two ends of the bottom plate 3 are respectively provided with a side baffle 8 for preventing the sizing water and sundries on the upper side surface of the plate body from overflowing from the two ends.

The rear baffle 6 prevents the dirt from splashing on the felt 10 on the upper side of the blind roller 1, and the dirt flows into the paper to form paper breaking or paper defect. Simultaneously, side baffles 8 for preventing the slurry and the sundries on the upper side surface of the board body from overflowing from the two ends are respectively arranged at the two ends of the bottom board 3, a plurality of slurry leaking holes 7 for the slurry and the sundries on the upper side of the bottom board 3 to leak are also arranged on the bottom board 3, the slurry and the sundries collected on the upper side of the bottom board 3 directly flow into the water receiving tank at the lower part through the slurry leaking holes 7, the slurry on the upper side of the bottom board 3 is prevented from overflowing and leaking, various paper defects caused in the paper making process are avoided, and the paper quality is effectively improved.

The above-mentioned embodiments are only preferred embodiments of the present invention, not limiting the scope of the present invention, and all equivalent changes made by the shape, structure and principle of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a wiper blade device for paper machine for the water of paper pulp system paper in-process blind hole roller, its characterized in that: comprises a U-shaped water receiving tank which is axially supported and arranged on the lower side of a blind hole roller;

a bottom plate which is supported and fixed at two ends of the U-shaped water receiving tank along an axial suspension beam of the blind hole roller is arranged on the U-shaped water receiving tank and positioned on the side, rotating from bottom to top, of the blind hole roller;

a scraping strip which is obliquely arranged from front to back along the axial direction of the blind hole roller is fixed on the bottom plate, the front end of the scraping strip is lapped on the rotating blind hole roller, and slurry and dirt scraped from the surface of the blind hole roller are directly discharged into the U-shaped water receiving tank by using the lower side surface of the scraping strip;

the rear end of the bottom plate is also connected with a rear baffle plate along the vertical direction, and the rear baffle plate is used for shielding splashed water drops at the contact part of the scraping strip and the blind hole roller from splashing on the coarse cotton cloth at the upper side of the blind hole roller to cause dirt to flow into paper to form paper breaking or paper faults;

the bottom plate is also provided with at least one slurry leakage hole for leaking water drops collected by the back baffle and residual slurry on the blind hole roller and flowing down to the slurry and impurities on the bottom plate along the upper side surface of the scraping strip.

2. A doctor blade arrangement for a paper machine according to claim 1, characterised in that: and side baffles for preventing the upper side surface of the plate body from being overflowed from the two ends are respectively arranged at the two ends of the bottom plate.

3. A doctor blade arrangement for a paper machine, according to claim 1, characterised in that: the upper end face of the U-shaped water receiving groove is higher than the central axis of the blind hole roller.

4. A doctor blade arrangement for a paper machine according to claim 1, characterised in that: the rear baffle is a plate body formed by bending the rear end of the bottom plate by 90 degrees.

5. A doctor blade arrangement for a paper machine, according to claim 1, characterised in that: the slurry leaking hole is a waist-shaped long hole.

6. A doctor blade arrangement for a paper machine, according to claim 1, characterised in that: the scraping strip is made of an anti-aging silica gel material.