CN207030565U - A kind of drying cylinder is to batching pneumatic paper guiding device - Google Patents

Abstract

The utility model discloses a pneumatic paper threading device from drying cylinder to coiling, which comprises a drying cylinder. Both ends of the drying cylinder are provided with supporting seats, and a collecting box is arranged between the two supporting seats. The collecting box is located on the drying cylinder. Below, the upper end of the collection box is hinged to one end of the scraper, and the other end of the scraper is connected to the outer surface of the drying cylinder. Shaped mounting block, there is a groove on the curved mounting block, and a sealing connection layer is provided in the groove, and the sealing connection layer is connected with the blowing pipe, which ensures the sealing of the connecting part of the curved mounting block and the blowing pipe, and the curved mounting block It is threadedly connected with the blowing pipe, so that the blowing pipe is easy to disassemble and replace, and it is convenient to clean up the foreign matter entering the blowing pipe, which improves the efficiency of paper feeding of the device; a screen is installed on the blowing pipe to reduce the probability of foreign matter entering the blowing pipe and improve The threading stability of the device is improved.

Description

A drying cylinder-to-coil pneumatic paper threading device

technical field

The utility model relates to the related technical field of paper threading equipment for a paper machine, in particular to a pneumatic paper threading device from a drying cylinder to a coil.

Background technique

The papermaking speed of modern paper machines is getting faster and faster, and more and more attention is paid to the convenient and quick paper threading method. Traditional paper threading of paper machines generally adopts three methods: manual threading, rope threading, and cordless threading. Manual threading is labor-intensive, slow in speed, high in labor costs, and has potential safety hazards. Thread threading is generally used in medium and low-speed paper machines, and the threading rope is easy to fall off during operation, the threading rope is seriously worn, and the problem of threading speed difference causes threading to break. Cordless paper threading is widely used at present, and can already be used for paper threading of high-speed paper machines. At present, the cordless paper threading mainly adopts the vacuum paper threading method, which generally includes a paper tail cutting device and a plurality of vacuum paper threading trolleys. The paper threading trolleys send the paper web to the next stage through the conveyor belt and the vacuum generated by the high-speed air flow under the conveyor belt. Grade paper threading trolley. There are still some problems in this paper threading method: the blow pipe in this paper threading device is not equipped with an anti-blocking structure, it is easy to enter foreign matter and block it, reduce the paper threading efficiency, and cause the consequences of paper threading instability. The blowing pipe in the device is fixedly installed on the air guide pipe, which is convenient for disassembly and replacement, making it difficult to clean the foreign matter entering the blowing pipe. For this reason, we propose a drying cylinder to take-up pneumatic paper threading device.

Utility model content

The purpose of this utility model is to provide a drying cylinder to take-up pneumatic paper threading device, which has the functions of reducing foreign matter and improving paper threading efficiency.

In order to achieve the above purpose, the utility model provides the following technical solutions: a drying cylinder to coiling pneumatic paper threading device, including a drying cylinder, both ends of the drying cylinder are provided with support seats, and there is a support seat between the two support seats. A collection box, the collection box is located below the drying cylinder, the upper end of the collection box is hinged to one end of the scraper, the other end of the scraper is attached to the outer surface of the drying cylinder, and the two support seats are connected with air ducts through clips, One end of the air guide pipe is provided with a control valve, the other end of the air guide pipe is provided with an arc-shaped mounting block, and four grooves are arranged on the arc-shaped mounting block, and a sealing connection layer is arranged in the groove, and the sealing connection layer One end is connected to the bottom of the groove through a compression spring, the other end of the sealing connection layer is attached to one end of the blowing pipe, and the other end of the blowing pipe is provided with a screen, and the surface of the drying cylinder is provided with paper, and one end of the paper is Pass through the driven roller and insert into the collection chamber on the collection box, the driven roller is located between the drying cylinder and the collection box, and the driven roller is installed on the collection box.

Preferably, the blowing pipe on the arc-shaped mounting block is divided into a first air pipe, a second air pipe, a third air pipe and a fourth air pipe, the opening of the first air pipe faces obliquely upwards towards the drying cylinder, and the opening of the second air pipe The pipe and the third air pipe are arranged symmetrically, and the openings of the second air pipe and the third air pipe face the driven roller, and the opening of the fourth air pipe faces the collecting chamber on the collecting box.

Preferably, the middle part of the driven roller is provided with a rotating shaft, and the connection between the driven roller and the rotating shaft is provided with a pressure sensor, and the pressure sensor is electrically connected to the alarm on the air duct.

Preferably, several arc-shaped mounting blocks are provided on the air guide pipe, and two adjacent arc-shaped mounting blocks are arranged at equal intervals, and the distribution area of the arc-shaped mounting blocks corresponds to the length of the driven roller.

Compared with the prior art, the beneficial effects of the utility model are:

1. There is an arc-shaped installation block on the air guide pipe, and a groove is provided on the arc-shaped installation block. A sealing connection layer is provided in the groove, and the sealing connection layer is connected with the blower pipe, ensuring that the arc-shaped installation block and the blower pipe The tightness of the connection part, the arc-shaped mounting block and the blowing pipe are connected by threads, so that the blowing pipe is easy to disassemble and replace, and it is easy to clean the foreign matter entering the blowing pipe, which improves the paper leading efficiency of the device;

2. There is a screen on the blowing pipe, which reduces the probability of foreign matter entering the blowing pipe and improves the stability of the paper threading of the device;

3. There is a pressure sensor on the driven roller, and the pressure sensor is connected to the alarm. When there is no paper on the driven roller, the air duct can be closed by the manual control valve, which reduces unnecessary energy loss.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the utility model side view sectional structure schematic diagram;

Fig. 3 is a structural schematic diagram of the utility model arc-shaped mounting block;

Fig. 4 is a schematic partial sectional view of the structure of the arc-shaped mounting block of the present invention.

In the figure: drying cylinder 1, support seat 2, collection box 3, scraper 4, air duct 5, alarm 51, arc-shaped mounting block 6, groove 61, sealing connection layer 62, blowing pipe 7, screen 71, Paper 8, driven roller 9, pressure sensor 10.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, not all of them. . Based on the embodiments of the present utility model, other embodiments obtained by persons of ordinary skill in the art without making creative efforts all belong to the protection scope of the present utility model.

Please refer to Figures 1-4, the utility model provides a technical solution: a drying cylinder to take-up pneumatic paper threading device, including a drying cylinder 1, both ends of the drying cylinder 1 are provided with a support seat 2, two support seats There is a collection box 3 between the 2, the collection box 3 is located below the drying cylinder 1, the upper end of the collection box 3 is hinged to one end of the scraper 4, the other end of the scraper 4 is connected to the outer surface of the drying cylinder 1, and the two supporting seats 2 are connected with an air guide pipe 5 through clips, one end of the air guide pipe 5 is provided with a control valve, the other end of the air guide pipe 5 is provided with an arc-shaped mounting block 6, and several arc-shaped mounting blocks are arranged on the air guide pipe 5. The arc-shaped mounting blocks 6 are arranged at equal intervals between two adjacent arc-shaped mounting blocks 6, and the distribution area of the arc-shaped mounting blocks 6 corresponds to the length of the driven roller 9. The arc-shaped mounting blocks 6 are provided with four concave groove, the groove is provided with a sealing connection layer 62, one end of the sealing connection layer 62 is connected to the bottom of the groove by a compression spring, the other end of the sealing connection layer 62 is fitted and connected with one end of the blowing pipe 7, and the other end of the blowing pipe 7 A screen 71 is provided at the opening, and paper 8 is provided on the surface of the drying cylinder 1. One end of the paper 8 passes through the driven roller 9 and is inserted into the collection chamber on the collecting box 3. The driven roller 9 is located between the drying cylinder 1 and the collecting box 3. between, and the driven roller 9 is installed on the collection box 3, the middle part of the driven roller 9 is provided with a rotating shaft, and the connection between the driven roller 9 and the rotating shaft is provided with a pressure sensor 10, and the pressure sensor 10 is connected to the air guide pipe 5 The alarm 51 is electrically connected, and the blowing pipe 7 on the arc-shaped mounting block 6 is divided into the first air pipe, the second air pipe, the third air pipe and the fourth air pipe, and the opening of the first air pipe faces the drying cylinder obliquely upwards 1. The second air duct and the third air duct are symmetrically arranged, and the openings of the second air duct and the third air duct face the driven roller 9, and the opening of the fourth air duct faces the collection chamber on the collection box 3.

When the device is working, the first air duct on the arc-shaped mounting block 6 sprays the airflow to the surface of the drying cylinder 1, so that the paper 8 is peeled off the surface of the drying cylinder 1, and then passes through the second air duct and the third air duct to inject air. Guide, the paper 8 is in contact with the driven roller 9, and squeezes the driven roller 9 under the action of the air flow, the pressure sensor 10 on the driven roller 9 can detect the pressure of the paper 8 on the driven roller 9, and the fourth air pipe sprays The air flow guides the paper 8 into the collection chamber on the collection box 3. After the paper guide is completed, the pressure sensor 10 on the driven roller 9 cannot detect the pressure, and then the pressure sensor 10 sends an alarm through the alarm 51, and the staff passes the control. The valve closes the air guide tube 5 to reduce unnecessary energy loss.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (4)

1. A drying cylinder to take-up pneumatic paper threading device, comprising a drying cylinder (1), both ends of the drying cylinder (1) are provided with support seats (2), and a support seat (2) is provided between the two support seats (2). There is a collection box (3), the collection box (3) is located under the drying cylinder (1), the upper end of the collection box (3) is hinged to one end of the scraper (4), and the other end of the scraper (4) is connected to the drying cylinder (1) ), the two support seats (2) are connected with an air guide pipe (5) through clips, and one end of the air guide pipe (5) is provided with a control valve, which is characterized in that: the air guide pipe The other end of (5) is provided with an arc-shaped installation block (6), and four grooves are arranged on the arc-shaped installation block (6), and a sealing connection layer (62) is arranged in the groove, and the sealing connection layer (62) One end is connected to the bottom of the groove through a compression spring, the other end of the sealing connection layer (62) is fitted and connected to one end of the blowing pipe (7), and a screen (71) is provided at the opening of the other end of the blowing pipe (7). The surface of the drying cylinder (1) is provided with paper (8), one end of the paper (8) passes through the driven roller (9) and is inserted into the collection chamber on the collection box (3), and the driven roller (9) is located in the drying cylinder ( 1) and the collection box (3), and the driven roller (9) is installed on the collection box (3). 2. A drying cylinder-to-coil pneumatic paper threading device according to claim 1, characterized in that: the blowing pipe (7) on the arc-shaped mounting block (6) is divided into a first air pipe, a second The air duct, the third air duct and the fourth air duct, the opening of the first air duct faces the drying cylinder (1) obliquely upward, the second air duct and the third air duct are arranged symmetrically, and the second air duct and the third air duct The opening of the fourth air duct is towards the driven roller (9), and the opening of the fourth air duct is towards the collection chamber on the collection box (3). 3. A drying cylinder-to-coil pneumatic paper threading device according to claim 1, characterized in that: the middle part of the driven roller (9) is provided with a rotating shaft, and the connection between the driven roller (9) and the rotating shaft A pressure sensor (10) is arranged on the inside, and the pressure sensor (10) is electrically connected with the alarm (51) on the air duct (5). 4. A drying cylinder-to-coil pneumatic paper threading device according to claim 1, characterized in that several arc-shaped mounting blocks (6) are arranged on the air guide pipe (5), two adjacent The arc-shaped mounting blocks (6) are arranged at equal intervals, and the distribution area of the arc-shaped mounting blocks (6) corresponds to the length of the driven roller (9).