CN216445707U

CN216445707U - Edge blowing device for improving blockage of vacuum cylinder hole

Info

Publication number: CN216445707U
Application number: CN202122581943.6U
Authority: CN
Inventors: 刘文明; 方承文; 吴丹
Original assignee: Shanying International Holding Co Ltd
Current assignee: Shanying International Holding Co Ltd
Priority date: 2021-10-26
Filing date: 2021-10-26
Publication date: 2022-05-06
Anticipated expiration: 2031-10-26

Abstract

The utility model discloses an edge blowing device for improving the blockage of a hole eye of a vacuum cylinder, which comprises a drying cylinder, a vacuum cylinder, a paper guide air plate and a blowing mechanism, wherein the drying cylinder is arranged on the vacuum cylinder; a paper guide air plate is arranged above the vacuum cylinder, mounting holes are formed in the paper guide air plate, connecting pipes of the blowing mechanism are mounted in the mounting holes of the two groups of paper guide air plates, a plurality of groups of exhaust holes are uniformly formed in the connecting pipes, the connecting pipes are connected with the output end of the air pump through hoses, and valves are arranged on the hoses; the blowing mechanism can continuously generate wind, and then the wind acts on the cylinder surface of the vacuum cylinder and in the hole, so that the cylinder surface of the vacuum cylinder can be cleaned, the hole can be dredged, the blocking time of the hole of the vacuum cylinder can be effectively avoided or prolonged, the dredging period of the hole of the vacuum cylinder is prolonged, and the scheduled maintenance workload is reduced.

Description

Edge blowing device for improving blockage of vacuum cylinder hole

Technical Field

The utility model relates to the technical field of vacuum cylinders, in particular to an edge blowing device for improving the blockage of a hole of a vacuum cylinder.

Background

Chinese patent CN201841058U discloses a high pressure blower for preventing coal slime from blocking screen seams of a coal slime centrifuge, wherein the blower is composed of a gate, an air pipe and a nozzle. The blowing device is fixed on the centrifuge big cover. The outlet of the nozzle is vertically arranged opposite to the screen slot of the screen basket, and high-pressure air emitted by the nozzle is vertical to the screen slot of the screen basket; the nozzles are distributed along the outlet pipe of the air pipe, are perpendicular to the conical surface generatrix of the screen basket at equal intervals, and can blow air to clean the whole dewatering screen seam to prevent blockage; the nozzle structure, the number and the blowing pressure are matched with the air inlet pressure of the high-pressure air pipe and the nominal diameter of the air pipe.

In the prior art, during normal production, the front-section single-row cylinder is easy to cause dry net dirt (paper wool, stickies and the like) due to the fact that paper web just enters a dry part, then the hole of the vacuum cylinder is slowly blocked, the paper web cannot be completely attached to a dry net during normal production of a paper machine, the paper web swings, the wrinkling and paper breaking risks exist, and the paper strips cannot be adsorbed on the dry net due to the hole blockage during paper breaking and paper guiding, so that the single-row cylinder paper guiding difficulty can be caused. The craftsman needs to open the vacuum cylinder with the hand-held electric drill to dredge the hole of the vacuum cylinder by using the scheduled maintenance time.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems of the background art, and provides an edge blowing device for improving the blockage of vacuum cylinder holes.

The purpose of the utility model can be realized by the following technical scheme:

an edge blowing device for improving the blockage of a hole eye of a vacuum cylinder comprises a drying cylinder, the vacuum cylinder, a paper guide air plate and a blowing mechanism; the paper guide air plates are arranged above the vacuum cylinder, mounting holes are formed in the paper guide air plates, connecting pipes of the blowing mechanism are mounted in the mounting holes of the two paper guide air plates, multiple groups of exhaust holes are evenly formed in the connecting pipes, the connecting pipes are connected with the output end of the air pump through hoses, and valves are arranged on the hoses.

As a further scheme of the utility model: the mounting hole is positioned on the cylinder surface of the paper guide air plate close to the vacuum cylinder.

As a further scheme of the utility model: the length of the connecting pipe is larger than the distance between the two groups of paper guide air plates.

As a further scheme of the utility model: the drying cylinders and the vacuum cylinders are respectively arranged in parallel, the drying cylinders are positioned above the vacuum cylinders, and each group of drying cylinders is positioned above the gap between the two groups of vacuum cylinders.

As a further scheme of the utility model: the paper guiding air plates are positioned between the two groups of drying cylinders and are arranged in parallel.

As a further scheme of the utility model: the bottom surface of the paper guide air plate is of an arc structure matched with the vacuum cylinder, the top surface of the paper guide air plate is of a horizontal structure, and the side surface of the paper guide air plate is of an inclined structure matched with the drying cylinder.

The utility model has the beneficial effects that:

the blowing mechanism can continuously generate wind, and then the wind acts on the cylinder surface of the vacuum cylinder and in the hole, so that the cylinder surface of the vacuum cylinder can be cleaned, the hole can be dredged, the blocking time of the hole of the vacuum cylinder can be effectively avoided or prolonged, the dredging period of the hole of the vacuum cylinder is prolonged, and the scheduled maintenance workload is reduced; the utility model has the advantages of simple equipment modification, convenient installation and low cost, and can effectively reduce the blockage of the hole of the vacuum cylinder and greatly prolong the dredging period of the hole of the vacuum cylinder.

Drawings

The utility model will be further described with reference to the accompanying drawings.

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

FIG. 2 is a schematic view of the connection between the drying cylinder and the paper-guiding air plate;

fig. 3 is a schematic structural view of the blowing mechanism of the present invention.

In the figure: 1. a drying cylinder; 2. a vacuum cylinder; 3. a paper guide air plate; 4. an exhaust duct; 5. a hose; 6. a valve; 7. a connecting pipe; 8. and (4) exhausting holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, an edge blowing device for improving the hole blockage of a vacuum cylinder according to the present invention includes a drying cylinder 1, a vacuum cylinder 2, a paper guiding air plate 3, and a blowing mechanism; the drying cylinders 1 and the vacuum cylinders 2 are respectively arranged in parallel in a plurality of groups, wherein the drying cylinders 1 are positioned above the vacuum cylinders 2, and each group of drying cylinders 1 is positioned above the gap between the two groups of vacuum cylinders 2;

during normal production, the paper web of the front-section single-row cylinder is easy to dry and dirty (paper fluff, stickies and the like) due to the fact that the paper web just enters the dry part, then the eyelet of the vacuum cylinder 2 is slowly blocked, the paper web cannot be completely attached to the dry net during normal production of a paper machine, the paper web swings, the risks of crumpling and paper breaking exist, and the problem that paper feeding of the single-row cylinder is difficult is caused because paper strips cannot be adsorbed on the dry net due to the eyelet blocking during paper breaking and paper feeding, aiming at the problems, a paper feeding air plate 3 is arranged above the vacuum cylinder 2, and the paper feeding air plate 3 is located between two groups of drying cylinders 1; the paper guide air plates 3 are arranged in parallel, the bottom surfaces of the paper guide air plates 3 are arc-shaped structures matched with the vacuum cylinder 2, the top surfaces of the paper guide air plates are horizontal structures, the side surfaces of the paper guide air plates 3 are inclined structures matched with the drying cylinder 1, the two paper guide air plates 3 are provided with air blowing mechanisms, the paper guide air plates 3 positioned on the outer sides are provided with exhaust pipes 4, and branches generated by the air blowing mechanisms can be discharged along the exhaust pipes 4;

the blowing mechanism comprises a hose 5, a valve 6, a connecting pipe 7 and exhaust holes 8, wherein a mounting hole matched with the connecting pipe 7 is formed in the paper guide air plate 3 and is positioned at a position, close to the cylinder surface of the vacuum cylinder 2, of the paper guide air plate 3, the connecting pipe 7 is mounted on mounting holes of the two groups of paper guide air plates 3, the length of the connecting pipe 7 is larger than the distance between the two groups of paper guide air plates 3, a plurality of groups of exhaust holes 8 are uniformly formed in the connecting pipe 7, an air inlet is formed in one end of the connecting pipe 7, the air inlet of the connecting pipe 7 is connected with one end of the hose 5, the other end of the hose 5 is connected with the output end of an air pump, and the valve 6 is arranged on the hose 5; the specific work of the blowing mechanism is as follows; and opening the valve 6, starting the air pump to input compressed air into the connecting pipe 7 along the hose 5, discharging the compressed air from the exhaust hole 8 of the connecting pipe 7, and blowing the compressed air onto the cylinder surface of the vacuum cylinder 2, so that the holes on the cylinder surface of the vacuum cylinder 2 can be continuously cleaned.

The working principle of the utility model is as follows: under the condition of normal production, the valve 6 is opened, the air pump is started to input compressed air into the connecting pipe 7 along the hose 5, the compressed air is exhausted from the exhaust hole 8 of the connecting pipe 7 and is blown to the cylinder surface of the vacuum cylinder 2, so that holes on the cylinder surface of the vacuum cylinder 2 can be continuously cleaned, and the compressed air also acts on the cylinder surface of the vacuum cylinder 2 to clean the cylinder surface of the vacuum cylinder 2 while the holes are cleaned.

While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the utility model. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.

Claims

1. An edge blowing device for improving the blockage of a hole of a vacuum cylinder is characterized by comprising a drying cylinder (1), a vacuum cylinder (2), a paper guide air plate (3) and a blowing mechanism; the paper guide air plate (3) is arranged above the vacuum cylinder (2), mounting holes are formed in the paper guide air plate (3), a connecting pipe (7) of the blowing mechanism is mounted in the mounting holes of the two paper guide air plates (3), a plurality of groups of exhaust holes (8) are evenly formed in the connecting pipe (7), the connecting pipe (7) is connected with the output end of the air pump through a hose (5), and a valve (6) is arranged on the hose (5).

2. An edge blower for improving vacuum cylinder bore plugging according to claim 1 wherein the mounting holes are located on the cylinder face of the pilot vane (3) adjacent the vacuum cylinder (2).

3. An edge blower for improving vacuum cylinder bore plugging according to claim 1 wherein the length of the connecting tube (7) is greater than the spacing between the two sets of pick-up air plates (3).

4. An edge blower arrangement for improving the clogging of vacuum cylinder bores according to claim 1, characterized in that the drying cylinders (1) and the vacuum cylinders (2) are arranged in groups side by side, respectively, the drying cylinders (1) being located above the vacuum cylinders (2), and each group of drying cylinders (1) being located above the gap between two groups of vacuum cylinders (2).

5. An edge blower for improving the clogging of vacuum cylinder bores according to claim 1, characterized in that the draw air plate (3) is located between two groups of drying cylinders (1), the draw air plates (3) being arranged in two groups in parallel.

6. An edge blower for improving the clogging of vacuum cylinder holes according to claim 1, characterized in that the bottom surface of the draw plate (3) is of an arc-shaped configuration adapted to the vacuum cylinder (2), the top surface is of a horizontal configuration and the side surfaces are of an inclined configuration adapted to the drying cylinder (1).