CN218945413U

CN218945413U - Spraying device for press part of paper machine

Info

Publication number: CN218945413U
Application number: CN202223305291.4U
Authority: CN
Inventors: 刘月勇; 杨德清; 高树义; 孙伟华; 石帅帅; 裴海华
Original assignee: Shandong Century Sunshine Paper Group Co ltd
Current assignee: Shandong Century Sunshine Paper Group Co ltd
Priority date: 2022-12-10
Filing date: 2022-12-10
Publication date: 2023-05-02
Anticipated expiration: 2032-12-10

Abstract

The utility model discloses a medicine spraying device for a press part of a paper machine, which comprises a cross beam and two spray heads which linearly move along the cross beam, wherein the spray heads are respectively installed through a nozzle bracket with adjustable height; the cross beam is fixed above the frame and below the central press roller, the length direction of the cross beam is parallel to the axis direction of the central press roller, the cross beam is of a frame structure, and a cavity is formed in the cross beam; the inside linear slide rail that is equipped with of crossbeam, linear slide rail set up along the length direction of crossbeam, and linear slide rail passes through fixing bolt to be fixed in the crossbeam inboard, is provided with two sets of sliders on the linear slide rail, slider bottom and nozzle support fixed connection. According to the utility model, the spray head transversely reciprocates along the fixed cross beam, so that the reliability of a spray head moving body is ensured, the application range is improved, the stripping agent can be uniformly sprayed on the surface of the press roller, and closed loop detection of spraying agent is realized.

Description

Spraying device for press part of paper machine

Technical Field

The utility model relates to a medicine spraying device, in particular to a medicine spraying device for a press part of a paper machine, and belongs to the technical field of paper making equipment.

Background

Sheet stripping from the central press roll is a major factor limiting the speed increase of the paper machine, especially in the production of low basis weight coated papers, newsprint and printing writing papers. The central roll of the press section is referred to as the hard mirror roll, which is located in the central part of the other press rolls. These press roll surfaces are covered with hard granite, ceramic, or synthetic materials. At present, the adhesion and peelability of a press roll are changed by atomizing and spraying a peeling agent so as to solve the problem of difficult sheet peeling.

Patent No. CN201520759268.3 discloses a stripping agent adding device for papermaking, comprising a mixer connected with a stripping agent supply device, a dilution water supply device and a spray head, wherein the stripping agent is released from the spray head after being diluted by the dilution water in the mixer.

The device sprays the stripping agent in an atomized manner through the fixedly installed spray head, however, the problem of uneven spraying occurs to the paper machine with larger breadth.

Patent number CN201020648465.5 discloses a novel pneumatic stripper spray device, which is characterized in that: a cylinder is fixedly arranged at one end of the box body close to the operation side, a rectangular groove is formed in the middle of the upper surface of the box body, a sealed stainless steel pipe is arranged above the rectangular groove, two ends of the stainless steel pipe are respectively supported on the box body by two rollers, three spray guns are uniformly arranged right above the stainless steel pipe at intervals, the steel pipe is connected with a spray agent supply pipeline, a muzzle is consistent to the surface of a drying cylinder, and stripping agent is uniformly sprayed to the surface of the drying cylinder through the muzzle.

The device sprays the spray evenly through the cylinder drive, however, for the paper machine that the width is great, the cylinder length is limited, can't use.

In summary, it is clear that the prior art has inconvenience and defects in practical use, so that improvement is needed.

Disclosure of Invention

The utility model aims at the defects in the background technology, and provides a medicine spraying device for a press part of a paper machine, wherein a spray head transversely reciprocates along a fixed cross beam, so that the reliability of a spray head moving body is ensured, the application range is improved, stripping agent can be uniformly sprayed on the surface of a press roller, and closed loop detection medicine spraying is realized.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the spray device for the press part of the paper machine comprises a cross beam and two spray heads which move along the cross beam in a straight line, wherein the spray heads are respectively installed through a nozzle bracket with adjustable height;

the cross beam is fixed above the frame and below the central press roller, the length direction of the cross beam is parallel to the axis direction of the central press roller, the cross beam is of a frame structure, and a cavity is formed in the cross beam;

the inside linear slide rail that is equipped with of crossbeam, linear slide rail set up along the length direction of crossbeam, and linear slide rail passes through fixing bolt to be fixed in the crossbeam inboard, is provided with two sets of sliders on the linear slide rail, slider bottom and nozzle support fixed connection.

An optimization scheme, two sets of sliders all install on the chain, the chain winds and establishes on the sprocket, one of them sprocket is connected with drive arrangement.

Further, the driving device is fixedly arranged on the outer side of one end part of the cross beam, and the driving device is a speed reducing motor.

Further, the nozzle support comprises a support lower part and a support upper part which are slidably connected, and the joint of the support lower part and the support upper part is fixed by adopting an adjusting bolt.

Further, one end of the lower part of the bracket is fixedly connected with the bottom of the sliding block, and the other end of the lower part of the bracket is in sliding connection with the bottom end of the upper part of the bracket; the top of the upper part of the bracket is provided with a spray head.

Further, the wall thickness of the plate of the cross beam is 5mm, and the cross beam is made of stainless steel 304; the linear sliding rail is made of carburized bearing steel.

Further, the spray head is connected with a flexible hose, and a pressure gauge is arranged on the hose.

Further, two edge cover plates are arranged on one side of the cross beam along the length direction.

Further, the distance between the two spray heads is equal to half of the central press roll banner.

Further, the automatic spray head control device also comprises a PLC control system, wherein the PLC control system comprises driving of a driving device, direction control of the spray head and moving speed control.

After the technical scheme is adopted, compared with the prior art, the utility model has the following advantages:

according to the utility model, the driving device drives the sliding block to move along the linear sliding rail in the cross beam through the driving chain, the sliding block drives the nozzle support and the spray head at the top end of the nozzle support to position and move, the spray head sprays stripping medicines onto the central pressing roller in an atomized manner, and the moving range of the spray head is designed and manufactured according to the width of the paper machine.

According to the utility model, the spray head transversely reciprocates along the fixed cross beam, so that the reliability of the spray head moving body is ensured, and the application range is improved. The whole device utilizes the PLC to carry out automatic control, realizes closed loop detection and spraying, realizes mechanization and automation in the whole process, only needs one person to remotely operate a computer to realize start-stop control, and greatly improves the safety and the stability.

The utility model will now be described in detail with reference to the drawings and examples.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic diagram of the structure of FIG. 1;

fig. 3 is a schematic view of the mounting location of the present utility model.

In the figure, a 1-cross beam, a 2-frame, a 3-linear slide rail, a 4-nozzle support, a 401-support lower part, a 402-support upper part, a 403-adjusting bolt, a 5-nozzle, a 6-driving device, a 7-pressure gauge, an 8-side cover plate and a 9-center press roller are arranged.

Detailed Description

For a clearer understanding of technical features, objects, and effects of the present utility model, a specific embodiment of the present utility model will be described with reference to the accompanying drawings.

As shown in fig. 1-3 together, the present utility model provides a spraying device for a press section of a paper machine, comprising a cross beam 1 and two spray heads 5 moving linearly along the cross beam 1, wherein the spray heads 5 are respectively installed by a nozzle bracket 4 with adjustable height.

The cross beam 1 is fixed above the frame 2 by welding, the cross beam 1 is positioned below the central press roll 9, and the length direction of the cross beam 1 is parallel to the axis direction of the central press roll 9.

The beam 1 is of a frame type structure, and a cavity is formed in the beam 1.

The wall thickness of the plate of the beam 1 is 5mm, and the beam 1 is made of stainless steel 304.

The inside linear slide rail 3 that is equipped with of crossbeam 1, linear slide rail 3 set up along the length direction of crossbeam 1, and linear slide rail 3 passes through fixing bolt to be fixed in crossbeam 1 inboard.

The linear slide rail 3 is made of carburized bearing steel.

Two groups of sliding blocks are arranged on the linear sliding rail 3, the bottoms of the sliding blocks are fixedly connected with the nozzle support 4, and the sliding blocks drive the nozzle support 4 to conduct linear motion along the linear sliding rail 3.

The two groups of sliding blocks are arranged on chains, the chains are wound on chain wheels, and one chain wheel is connected with the driving device 6; the driving device 6 is fixedly arranged outside one end part of the cross beam 1.

The driving device 6 is a gear motor, and the driving device 6 drives the sliding block to move along the linear sliding rail 3 through a driving chain.

The nozzle support 4 comprises a support lower part 401 and a support upper part 402 which are slidably connected, and the joint of the support lower part 401 and the support upper part 402 is fixed by adopting an adjusting bolt 403.

One end of the lower bracket part 401 is fixedly connected with the bottom of the sliding block, and the other end of the lower bracket part 401 is in sliding connection with the bottom end of the upper bracket part 402; the top end of the upper part 402 of the bracket is provided with a spray head 5.

The spray head 5 is connected with a flexible hose, and a pressure gauge 7 is arranged on the hose.

Two side cover plates 8 are arranged on one side of the cross beam 1 along the length direction, and the side cover plates 8 are arranged to prevent atomized medicines from corroding the linear slide rail 3 and the sliding block.

The distance between the two spray heads 5 in the present utility model is equal to half the banner of the central press roll 9.

The utility model also comprises a PLC control system (the brand of the PLC control system is Siemens S7-1200), and the PLC control system comprises the driving of the driving device 6, the direction control of the spray head 5 and the movement speed control.

The specific working principle of the utility model is as follows:

according to the utility model, the driving device 6 drives the sliding block to move along the linear sliding rail 3 in the cross beam 1 through the driving chain, the sliding block drives the nozzle support 4 and the spray head 5 at the top end of the nozzle support 4 to position and move, the spray head 5 sprays stripping medicines onto the central pressing roller 9 in an atomized manner, the moving range of the spray head 5 is designed and manufactured according to the width of the paper machine, and the moving speed can be set to be 0.1-3 m/min.

According to the utility model, the spray head 5 transversely reciprocates along the fixed cross beam 1, so that the reliability of a moving main body of the spray head 1 is ensured. The whole device utilizes the PLC to carry out automatic control, realizes closed loop detection and spraying, realizes mechanization and automation in the whole process, only needs one person to remotely operate a computer to realize start-stop control, and greatly improves the safety and the stability.

The foregoing is illustrative of the best mode of carrying out the utility model, and is not presented in any detail as is known to those of ordinary skill in the art. The protection scope of the utility model is defined by the claims, and any equivalent transformation based on the technical teaching of the utility model is also within the protection scope of the utility model.

Claims

1. The paper machine squeezes part with spouting medicine device, its characterized in that: comprises a cross beam (1) and two spray heads (5) which move along the cross beam (1) in a straight line, wherein the spray heads (5) are respectively installed through a nozzle bracket (4) with adjustable height;

the cross beam (1) is fixed above the frame (2) and is positioned below the central press roller (9), the length direction of the cross beam (1) is parallel to the axis direction of the central press roller (9), the cross beam (1) is of a frame structure, and a cavity is formed in the cross beam (1);

the inside linear slide rail (3) that is equipped with of crossbeam (1), linear slide rail (3) set up along the length direction of crossbeam (1), and linear slide rail (3) are fixed in crossbeam (1) inboard through fixing bolt, are provided with two sets of sliders on linear slide rail (3), slider bottom and nozzle support (4) fixed connection.

2. A paper machine press section spray apparatus as claimed in claim 1, wherein: the two groups of sliding blocks are all arranged on a chain, the chain is wound on chain wheels, and one chain wheel is connected with a driving device (6).

3. A paper machine press section spray apparatus as claimed in claim 2, wherein: the driving device (6) is fixedly arranged on the outer side of one end part of the cross beam (1), and the driving device (6) is a gear motor.

4. A paper machine press section spray apparatus as claimed in claim 1, wherein: the nozzle bracket (4) comprises a bracket lower part (401) and a bracket upper part (402) which are slidably connected, and the joint of the bracket lower part (401) and the bracket upper part (402) is fixed by adopting an adjusting bolt (403).

5. A paper machine press section spray apparatus as claimed in claim 4, wherein: one end of the lower bracket part (401) is fixedly connected with the bottom of the sliding block, and the other end of the lower bracket part (401) is in sliding connection with the bottom end of the upper bracket part (402); the top end of the upper part (402) of the bracket is provided with a spray head (5).

6. A paper machine press section spray apparatus as claimed in claim 1, wherein: the wall thickness of the plate of the cross beam (1) is 5mm, and the cross beam (1) is made of stainless steel 304; the linear sliding rail (3) is made of carburized bearing steel.

7. A paper machine press section spray apparatus as claimed in claim 1, wherein: the spray head (5) is connected with a flexible hose, and a pressure gauge (7) is arranged on the hose.

8. A paper machine press section spray apparatus as claimed in claim 1, wherein: two edge cover plates (8) are arranged on one side of the cross beam (1) along the length direction.

9. A paper machine press section spray apparatus as claimed in claim 1, wherein: the distance between the two spray heads (5) is equal to half the banner of the central press roll (9).

10. A paper machine press section spray apparatus as claimed in claim 1, wherein: the automatic spray head control system also comprises a PLC control system, wherein the PLC control system comprises driving of the driving device (6), direction control of the spray head (5) and moving speed control.