Vacuum cylinder purging device
By combining the design of jet and roller brush mechanism in the vacuum cylinder, the problem of dirt entering the cylinder in the prior art is solved, and the thorough cleaning of the vacuum cylinder surface and the normal operation of the equipment are achieved.
Patent Information
- Application Number
- CN202323389916.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-13
- Publication Date
- 2025-01-10
- Estimated Expiration
- 2033-12-13
AI Technical Summary
When the existing vacuum cylinder cleaning device is cleaned by blowing, dirt can easily enter the cylinder, resulting in inadequate cleaning and affecting the operation of the equipment.
A vacuum cylinder purge device including a jet mechanism and a roller brush mechanism is designed. The jet mechanism blows out the dirt through a high-pressure nozzle, and the roller brush mechanism brushes the dirt on the outside, combining the expansion and rotation of the mechanical structure to ensure that the dirt is completely removed.
It effectively prevents dirt from entering the vacuum cylinder, ensures the surface of the vacuum cylinder is clean and in place, and ensures the normal operation of the equipment.
Smart Images

Figure CN222326116U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of papermaking, in particular to a vacuum cylinder blowing device. Background Art
[0002] The vacuum cylinder is one of the important components of the drying section of a high-speed papermaking machine. During the production process, the holes on the surface of the vacuum cylinder are prone to accumulate dirt, thus affecting the quality of the product. Existing vacuum cylinder cleaning devices mostly clean from the outer surface by blowing air, etc., which has defects in actual applications. The blown dirt easily enters the vacuum cylinder, resulting in inadequate cleaning and affecting the operation of the vacuum cylinder. Summary of the invention
[0003] The purpose of the utility model is to provide a vacuum cylinder purge device to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: a vacuum cylinder purge device, including an air jet mechanism and a roller brush mechanism, the air jet mechanism including a first bracket, a shell is provided on the first bracket, a bifurcated pipe is provided in the shell, each bifurcation in the bifurcated pipe is provided with a venturi tube, a solenoid valve is provided at the top of the bifurcated pipe, a high-pressure nozzle is provided at the end of the bifurcated pipe, an air supply pipe is externally connected to the shell, and the air supply pipe is connected to an air pump.
[0004] Preferably, the roller brush mechanism includes a second bracket, a roller shaft is provided on the second bracket, a rotating motor is connected to the roller shaft, bearings are provided at both ends of the roller shaft, a plurality of mounting grooves are evenly distributed on the roller shaft, and brush strips are provided in the mounting grooves.
[0005] Preferably, the brush bar comprises a slide bar, the slide bar is evenly inlaid with bristles, and both ends of the roller are provided with fixing rings.
[0006] Preferably, the air jet mechanism and the rolling brush mechanism are connected via a telescopic rod, and the telescopic rod is located at the ends of the air jet mechanism and the rolling brush mechanism.
[0007] Preferably, the first bracket and the second bracket are both retractable brackets, and the bottoms of the first bracket and the second bracket are both provided with universal wheels, and the universal wheels are provided with brake pads.
[0008] Compared with the prior art, the beneficial effects of the utility model are: the utility model is novel in design, utilizes a reasonable mechanical structure, and cleverly brings into play the inherent potential of various elements. The jet mechanism is extended into the vacuum cylinder to jet, and the roller brush mechanism rolls and brushes on the outside of the vacuum cylinder. Through the mutual cooperation of the jet mechanism and the roller brush mechanism, the dirt in the holes on the surface of the vacuum cylinder is blown out by the inner jet mechanism, while the roller brush mechanism brushes the dirt off, thereby ensuring that the vacuum cylinder is cleaned in place and the normal operation of the equipment is ensured. BRIEF DESCRIPTION OF THE DRAWINGS
[0009] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0010] Figure 2 This is a schematic diagram of the structure of the jet mechanism in the utility model;
[0011] Figure 3 This is a schematic diagram of the bifurcated pipe structure in the utility model;
[0012] Figure 4 This is a schematic diagram of the structure of the roller brush mechanism in the utility model;
[0013] Figure 5 This is a schematic diagram of the structure of the fixing ring in the utility model;
[0014] Figure 6 This is a cross-sectional view of the roller shaft in the utility model. DETAILED DESCRIPTION
[0015] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0016] See also Figure 1-6 The utility model provides a technical solution: a vacuum cylinder blowing device, comprising an air jet mechanism 1 and a roller brush mechanism 2, the air jet mechanism 1 and the roller brush mechanism 2 are connected by a telescopic rod 4, the telescopic rod 4 is located at the ends of the air jet mechanism 1 and the roller brush mechanism 2, and the distance between the air jet mechanism 1 and the roller brush mechanism 2 can be adjusted. During operation, the air jet mechanism 1 extends into the interior of the vacuum cylinder to blow air to the inner wall of the vacuum cylinder, and the roller brush mechanism 2 rolls on the outer side of the vacuum cylinder. When cleaning, the vacuum cylinder rotates in coordination, and the dirt on the inner wall of the vacuum cylinder is blown out by the air jet mechanism 1, while the roller brush mechanism 2 brushes the dirt off to achieve the cleaning purpose.
[0017] The jet mechanism 1 includes a first bracket 11, on which a shell 12 is provided, and a bifurcated pipe 13 is provided in the shell 12, and a venturi 14 is provided at each bifurcation in the bifurcated pipe 13, and a solenoid valve 15 is provided at the top of the bifurcated pipe 13, and a high-pressure nozzle 16 is provided at the end of the bifurcated pipe 13. The shell 12 is externally connected to an air supply pipe 3, and the air supply pipe 3 is connected to an air pump. Compressed gas is output from the air pump and transported to the bifurcated pipe 13 through the air supply pipe 3. The venturi 14 at each bifurcation of the bifurcated pipe 13 increases the flow rate of the gas, so that the gas has sufficient speed when it reaches the high-pressure nozzle 16, and the gas is finally ejected through the high-pressure nozzle 16. The position of the high-pressure nozzle 16 corresponds one-to-one to the holes on the surface of the vacuum cylinder, so that the gas can blow off the dirt on the holes.
[0018] The roller brush mechanism 2 includes a second bracket 21, a roller shaft 22 is provided on the second bracket 21, a rotating motor is connected to the roller shaft 22, bearings 24 are provided at both ends of the roller shaft 22, a plurality of mounting grooves 25 are evenly distributed on the roller shaft 22, brush strips are provided in the mounting grooves 25, the rotating motor drives the roller shaft to rotate, thereby driving the brush strip to rotate, so that the brush strip brushes the dirt on the surface of the vacuum cylinder.
[0019] The brush bar includes a slide bar 27 on which bristles 28 are evenly distributed. Both ends of the roller shaft 22 are provided with fixing rings 29, which can fix the slide bar to ensure that the slide bar 27 does not fall off when the roller shaft 22 rotates.
[0020] The first bracket 11 and the second bracket 21 are both retractable brackets. Universal wheels 5 are provided at the bottom of the first bracket 11 and the second bracket 21. Brake pads are provided on the universal wheels 5. The universal wheels 5 can facilitate the movement of the device.
[0021] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A vacuum cylinder blowing device, comprising an air jet mechanism (1) and a roller brush mechanism (2), characterized in that: The jet mechanism (1) comprises a first bracket (11), a shell (12) is provided on the first bracket (11), a bifurcated pipe (13) is provided in the shell (12), a venturi (14) is provided at each bifurcation in the bifurcated pipe (13), a solenoid valve (15) is provided at the top end of the bifurcated pipe (13), a high-pressure nozzle (16) is provided at the end of the bifurcated pipe (13), and an air supply pipe (3) is externally connected to the shell (12), and the air supply pipe (3) is connected to an air pump.
2. A vacuum cylinder purging device according to claim 1, characterized in that: The roller brush mechanism (2) comprises a second bracket (21), a roller shaft (22) is provided on the second bracket (21), a rotating motor (23) is connected to the roller shaft (22), bearings (24) are provided at both ends of the roller shaft (22), a plurality of mounting grooves (25) are evenly distributed on the roller shaft (22), and brush strips (26) are provided in the mounting grooves (25).
3. A vacuum cylinder purging device according to claim 2, characterized in that: The brush strip (26) comprises a slide bar (27) on which bristles (28) are evenly distributed and inlaid, and fixing rings (29) are provided at both ends of the roller shaft (22).
4. A vacuum cylinder purging device according to claim 1, characterized in that: The air jet mechanism (1) and the roller brush mechanism (2) are connected via a telescopic rod (4), and the telescopic rod (4) is located at the ends of the air jet mechanism (1) and the roller brush mechanism (2).
5. A vacuum cylinder purging device according to claim 1, characterized in that: The first bracket (11) and the second bracket (21) are both retractable brackets, and the bottoms of the first bracket (11) and the second bracket (21) are both provided with universal wheels (5), and the universal wheels (5) are provided with brake pads.