JP2001219133A - Brush polishing/sweeping device for gas cylinder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a new brush polishing/sweeping device which dispenses with a brush polishing/sweeping operation by labor under undesirable environments and contributes to a cost cut in recoating work due to the upgrading of ground treatment efficiency. SOLUTION: This brush polishing/seeping device for a gas cylinder 1 comprises a plurality of rollers 2 which support the gas cylinder 1 in a lying- down and rotatable manner, a roller rotating means 3 for driving the rollers 2 to rotate, a first rotary brush 4 which is provided in a relatively movable manner along a cylinder barrel part 1a and polishes/sweeps the cylinder barrel part 1a and a second rotary brush 5 for polishing/sweeping a cylinder shoulder part 1b.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a brush cleaning device for a gas cylinder, and more particularly to a device for performing a brush cleaning performed as a base treatment for coating the surface of a gas cylinder.

[0002]

2. Description of the Related Art In general, gas cylinders, which are high-pressure gas containers, are required to be inspected every five years. At the time of the examination, dirt and rust on the cylinder surface are removed and the type of gas to be filled is determined. It is necessary to repaint (overcoat) with the specified color accordingly. Therefore, as a base treatment for repainting, conventionally, sand blasting (or shot blasting) or manual brush blasting has been performed.

[0003]

However, in sand blasting (or shot blasting), it is necessary to apply a rust-proof coating and then a top coat in order to expose the base metal of the gas cylinder. Without cost. In addition, manual brush cleaning work is performed in a poor environment that requires the wearing of dust masks and dust-proof glasses. The base treatment cannot be performed quickly. The present invention has been made in view of such circumstances, and has as its object to eliminate the need for manual brush cleaning work performed in a poor environment, to improve the efficiency of the base treatment, and to repaint at the same time. Another object of the present invention is to provide a novel brush cleaning device that contributes to cost reduction of the brush.

[0004]

The present invention is configured as follows to solve the above-mentioned problems. That is, the invention according to claim 1 comprises a plurality of rolling rollers 2 rotatably supporting a gas cylinder 1 lying down, roller rotating means 3 for rotating the rolling rollers 2, and a cylinder cylinder. A first rotating brush 4 is provided so as to be relatively movable along the body portion 1a and cleans the cylinder body 1a, and a second rotating brush 5 cleans the cylinder shoulder 1b. And

According to a second aspect of the present invention, there is provided the brush cleaning apparatus for a gas cylinder according to the first aspect, wherein a cylinder receiving member 6 is provided at one end of a cylinder support base 10 having the rolling roller 2. The support base 10 is configured to be switchable between a standing posture A and a roll-over posture B by a posture switching means 7. In the standing posture A, the cylinder bottom 1d is received by the cylinder receiving member 6, and the cylinder cylinder body 1a is rolled. The roller cylinder 2 is supported by the roller 2, and the cylinder cylinder body 1a is rotatably supported by the rolling roller 2 in the rollover posture B. Here, the standing posture A of the cylinder support base 10
Includes, for example, an inclined posture as shown in FIG.

According to a third aspect of the present invention, in the brush cleaning apparatus for a gas cylinder according to the second aspect, a receiver driving means 8 for driving the cylinder receiver 6 to move forward and backward is attached to the cylinder support base 10 and rolls over. By moving the cylinder receiver 6 forward and backward in the posture B, a predetermined gap is formed between the cylinder receiver 6 and the cylinder bottom 1d.

According to a fourth aspect of the present invention, in the brush cleaning apparatus for a gas cylinder according to any one of the first to third aspects, the second rotary brush 5 is supported via the contact pressure adjusting means 9. At the same time, the second rotary brush 5 supported by the contact pressure adjusting means 9 is configured to be able to advance and retreat with respect to the cylinder shoulder 1b via the brush moving gantry 20, and the second rotary brush 5 is retracted. The second rotating brush 5 in contact with the cylinder shoulder 1b is configured to move by following the curved surface of the cylinder shoulder 1b by its own weight.

[0008]

According to the present invention, the following functions and effects can be obtained. (A) According to the first aspect of the invention, the gas cylinder 1 is rotatably supported by the plurality of rolling rollers 2 while lying down, and is rotated by the roller rotating means 3 via the rolling rollers 2. The first rotating brush 41 moves relative to the cylinder body 1a while moving along the cylinder body 1a.
And the second rotating brush 51 cleans the cylinder shoulder 1b. This eliminates any manual brush cleaning and can greatly increase the efficiency of the undercoating process.

(B) In sandblasting (or shot blasting), rust-stop painting is necessary to expose the base metal of the gas cylinder. However, in the present invention, the base metal is exposed because the brush is used for cleaning. This eliminates the need for rust-stop coating, thereby contributing to increased repainting efficiency and cost reduction.

(C) According to the second aspect of the present invention, in the brush cleaning apparatus for a gas cylinder according to the first aspect, a cylinder receiving member (6) is provided at one end of a cylinder support (10) having a rolling roller (2). The cylinder support base 10 is configured to be switchable between an upright posture A and a rollover posture B by a posture switching means 7. In the upright posture A, the cylinder bottom 1d is received by the cylinder receiver 6, and the cylinder cylinder body 1a is The roller cylinder 2 supports the cylinder cylinder body 1a in the rolled posture B
Is configured to be rotatably supported by the rolling rollers 2, so that the brush cleaning of the gas cylinder can be automatically performed after the gas cylinder is carried into the apparatus.

That is, the gas cylinder 1 is carried in with the cylinder supporting gantry 20 in the upright posture A by the posture switching means 6, and the cylinder bottom 1d is received by the cylinder receiver 6, and the cylinder cylinder body 1a is rolled. The cylinder support 10 is switched to the rollover posture B by the posture switching means 6, and the cylinder cylinder body 1 a is rotatably supported by the roller 2. Thereafter, by performing brush cleaning of the gas cylinder in a fully automatic manner, it is possible to greatly improve the efficiency of the base treatment.

(D) According to the third aspect of the present invention, in the brush cleaning apparatus for a gas cylinder according to the second aspect, the cylinder support base 10 is provided with a receiver driving means 8 for driving the cylinder receiver 6 to move forward and backward. Therefore, before rolling the gas cylinder 1 in the rollover posture B, the cylinder driving tool 8 drives the cylinder receiving tool 6 forward and backward to form a predetermined gap between the cylinder receiving tool 6 and the cylinder bottom 1d. Is done. Thus, the gas cylinder can be smoothly rolled while avoiding the sliding contact between the cylinder bottom and the cylinder receiver.

(E) According to the fourth aspect of the invention, the second rotary brush 5 is supported via the contact pressure adjusting means 9 and the second rotary brush 5 supported by the contact pressure adjusting means 9 is moved by a brush. The second rotary brush 5 is configured to be able to advance and retreat with respect to the cylinder shoulder 1b via the gantry 20, and by retracting the second rotary brush 5, the second rotary brush 5 in contact with the cylinder shoulder 1b.
However, because of its own weight, it moves so as to follow the curved surface of the cylinder shoulder 1b, so that the polishing by the second rotating brush 5 can be smoothly performed from the shoulder 1b of the gas cylinder 1 to the neck ring 1c. Will be That is, instead of the expensive electric control, the inexpensive contact pressure adjusting means 9 and the brush moving means 20 allow the second rotary brush 5 to smoothly perform the polishing, so that the cost can be reduced. it can.

[0014]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A brush cleaning apparatus for a gas cylinder according to the present invention will be described below with reference to the accompanying drawings. FIG. 1 is an elevation view of a brush cleaning apparatus according to an embodiment of the present invention, and FIG.
FIG. 3 is a vertical sectional view of a main part of the brush cleaning device, FIG. 3 is an elevation view showing a support mechanism and a reciprocating drive mechanism of the second rotating brush,
1 is a plan view of a brush cleaning device according to an embodiment of the present invention.

As shown in FIG. 1, the brush cleaning device comprises a plurality of rolling rollers 2 rotatably supporting a gas cylinder 1 lying down, and a roller rotating mechanism for rotating the rolling rollers 2. Means 3 and a cylinder cylinder body 1 provided movably in the direction of arrow C along cylinder cylinder body 1a.
a first rotary brush 4 for polishing the cylinder a and a second rotary brush 5 for polishing the cylinder shoulder 1b.

The rolling roller 2 is shown in FIGS. 1, 2 and 4.
As shown in (1), the gas cylinder 1 is placed back and forth on a pair of left and right roller shafts 11 at a predetermined interval, and is supported by four rolling rollers 2 so as to be able to roll while lying down. These roller shafts 11 are provided on a box-shaped cylinder support base 10, and each of the roller shafts 11 is rotatably supported at three front and rear positions by bearings 12, and a driven sprocket 13 is fixed to an intermediate portion thereof. I have. As shown in FIG. 2, the cylinder support table 10 includes a pair of support columns 23 erected on the base 100 and a support shaft 2.
It is supported so as to be able to change the posture through the two.

Below the pair of roller shafts 11, 11,
As shown in FIGS. 1 and 2, a roller rotating means 3 is arranged. The roller rotating means 3 includes a drive motor 14 and two transmission sprockets 17 a and 1 fixed to a transmission shaft 16.
7b, an endless roller chain 19a wound around the drive sprocket 15 of the drive motor 14 and the transmission sprocket 17a, the driven sprockets 13 and 13, the transmission sprocket 17b, and the tension sprocket 18
And an endless roller chain 19b wound substantially in a V-shape. According to the above configuration, the gas cylinder 1
Is rollably supported by a plurality of rolling rollers 2 in a lying state, and is rolled by the roller rotating means 3 via the rolling rollers 2. The reason why the endless roller chain 19b is wound in a substantially V shape as shown in FIG. 2 is to prevent the endless roller chain 19b from interfering with the gas cylinder 1.

A cylinder receiving member 6 is provided at one end of the cylinder support base 10 so as to be swingable by a pin 21. The cylinder support base 10 is supported by a posture switching means 7 (here, a posture switching cylinder). With the shaft 22 as the center of rotation, the posture is switched between an upright posture A shown by a virtual line and a rollover posture B shown by a solid line. This is because the cylinder bottom 1d is received by the cylinder holder 6 in the upright posture A and the cylinder cylinder body 1a is
Then, the cylinder cylinder body 1a is moved to the rollover posture B and the cylinder body 1a is rotatably supported by the rolling rollers 2.

The cylinder support base 10 is provided with a receiver driving means (here, a cylinder for driving forward and backward) 8 for driving the cylinder receiver 21 forward and backward. This is because a predetermined gap is formed between the cylinder receiver 6 and the cylinder bottom 1d by driving the cylinder receiver 6 forward and backward by the receiver driving means 8 before rolling the gas cylinder 1 in the rollover posture. It is intended. Thereby, the cylinder bottom 1
The gas cylinder can be smoothly rolled while avoiding the sliding contact between d and the cylinder receiver 6, and the cylinder shoulder 1 b can be made to face the vicinity of the second rotary brush 5.

The first rotating brush 4 is shown in FIGS. 1, 2 and 4.
As shown in the figure, the drive motor 26 mounted on the swing frame 24 is provided rotatably at the distal end of the swing frame 24 via a horizontal rotation shaft 25, and sequentially passes through a transmission belt 27 and a driven pulley 28. Rotated. The swing frame 24 is, as shown in FIG.
The swinging means (here, a swinging cylinder) 32 is provided on the rotating frame 30 so as to be vertically swingable via a swinging support shaft 31 and is provided between the rear end of the swinging frame 24 and the turntable 30. The first rotating brush 4 is configured to come into contact with and separate from the cylinder barrel 1a. That is, at the time of cleaning, the cylinder body 1
The first rotating brush 4 comes into contact with a at a desired contact pressure, and the first rotating brush 4 separates from the cylinder barrel 1a to a position indicated by a virtual line during non-cleaning. The contact pressure of the first rotating brush 4 may be adjusted by attaching a balancer weight (not shown) to the swing frame 24.

As shown in FIG. 2, the turntable 30 is
The rotary table 30 is fixed to the upper end of a turning shaft 34 erected on the traveling table 33, and the rotary table 30 is moved to approximately 90 by a driving motor (not shown) mounted on the traveling table 33 via a transmission roller chain and a driven sprocket 35 in this order. It is configured to rotate horizontally only by °. This is because when switching the cylinder support 10 from the standing posture A to the rollover posture B, the first
It is intended to retract the rotating brush 4 to a position where it does not interfere.

As shown in FIGS. 2 and 4, running wheels 36 are provided on the running table 33 via bearings 37, respectively, and are mounted on a base 100 on the side of the cylinder supporting table 10. The traveling drive means 40 is configured to reciprocate on the pair of left and right rails 38 in the direction of arrow C. As shown in FIG. 4, the traveling drive means 40 includes a drive motor 41 integrally including a speed reducer, and two transmission sprockets 43a and 4 fixed to a transmission shaft 42.
3b, a driven sprocket 44 that forms a pair with one of the transmission sprockets 43b, and a rope body (here, a roller chain) that is wound around the transmission sprocket 43b and the driven sprocket 44 and has both ends secured to the front and rear of the traveling platform 33. ) 45. With the above configuration,
The first rotating brush 4 moves in the direction of arrow C along the cylinder barrel 1a, and cleans the cylinder barrel 1a.

As shown in FIGS. 1 and 3, the second rotating brush 5 is supported via a contact pressure adjusting means 9, and the second rotating brush 5 supported by the contact pressure adjusting means 9 is mounted on a brush moving base 20. The second rotating brush 5 is configured to be able to move forward and backward with respect to the cylinder shoulder 1b via the brush moving frame 20, so that the second rotating brush 5 in contact with the cylinder shoulder 1b has its own weight. Accordingly, it is configured to move following the curved surface of the cylinder shoulder 1b.

That is, as shown in FIGS. 3 and 4, the contact pressure adjusting means 9 comprises a pair of right and left columns 46, 46 standing upright on the brush moving base 20, and these columns 46, 4
A low-friction air cylinder 49 erected between the oscillating arm 48 and the brush moving gantry 20;
A balancer weight 50 attached to the swing arm 48 as needed to adjust the weight of the second rotary brush 5 so that the second rotary brush 5 can freely adjust the contact pressure with which the second rotary brush 5 contacts the cylinder shoulder 1b. It is configured.

As shown in FIGS. 3 and 4, a plurality of wheels 52 are provided on both left and right sides of the brush moving base 20 via roller mounting tools 51, and the height thereof can be adjusted on the base 100. And a pair of left and right slide guides 54 is provided on the frame 53,
A plurality of wheels 52 provided on both left and right sides of the brush moving base 20
Is guided by the slide guides 54, and the second rotary brush 5 is advanced and retracted in the direction of arrow D with respect to the cylinder shoulder 1b via the brush moving frame 20.

The brush moving base 20 is provided with a traveling drive unit 5 similar to the traveling drive unit 40 of the traveling platform 10.
5 is driven forward and backward. This traveling drive means 55
As shown in FIGS. 3 and 4, a drive motor 56 in which a speed reducer is integrated, and two transmission sprockets 58 a. Fixed to a transmission shaft 57 rotated by the drive motor 56.
58b, a driven sprocket 59 that forms a pair with the transmission sprocket 58b, and a rope body (here, a roller chain) wound around the transmission sprocket 58b and the driven sprocket 59 and having both ends fastened to the front and rear of the brush moving base 20. ) 60. Reference numeral 61 in FIGS. 1 and 4 indicates a control unit of the present brush polishing apparatus.

The operation of the above-mentioned brush cleaning device will be briefly described below. First, the gas cylinder 1 is carried in with the cylinder support base 10 in the upright posture A by the posture switching means 7, the cylinder bottom 1 d is received by the cylinder receiver 6, and the cylinder cylinder body 1 a is moved by the rolling rollers 2. support. Next, the cylinder support 10 is switched to the rollover posture B by the posture switching means 7, and the cylinder body 1 a is rotatably supported by the rolling rollers 2.

When the brush cleaning device is started by the control unit 61, the brush cleaning of the gas cylinder is automatically performed thereafter. That is, the first rotating brush 4 polishes the cylinder barrel 1a while traveling along the cylinder barrel 1a, and in parallel with this, the second rotating brush 5 polishes the cylinder shoulder 1b. In the cleaning by the second rotating brush 5, the second rotating brush 5 that is in contact with the cylinder shoulder 1b is retracted by the second rotating brush 5 through the brush moving base 20, so that the second rotating brush 5 has its own weight. Move following a curved surface.

According to the brush cleaning apparatus of the present invention, any manual brush cleaning is eliminated, and the efficiency of the base treatment can be greatly increased. In addition, since the brush-based cleaning is employed, the need for rust-stop coating due to the exposure of the base metal is eliminated, which can contribute to an increase in repainting efficiency and cost reduction.

The present invention is not limited to the above embodiment, and various changes can be made as described below without departing from the spirit of the present invention. By using the drive sprocket 15 of the drive motor 14 instead of the tension sprocket 18 in FIG. 2, the configuration of the roller rotating means 3 can be simplified. Instead of the traveling drive means 40 of the traveling platform 33 in FIG. 2 and the forward / backward driving means 55 of the brush traveling platform 20 in FIG. 3, the traveling platform 33 and the brush traveling platform 20 each have a self-propelled driving unit. Anything is fine.

In the above embodiment, the cylinder support 1
Although the zero-position switching means 7 and the gas cylinder receiving means driving means 8 are each constituted by a cylinder, they can be replaced by a combination with a driving motor or the like or a transmission means therefor. The contact pressure adjusting means 9 for adjusting the contact pressure of the second rotating brush can also be implemented with appropriate changes.

[Brief description of the drawings]

FIG. 1 is an elevation view of a brush cleaning apparatus according to an embodiment of the present invention.

FIG. 2 is a longitudinal sectional view of a main part of the brush cleaning device.

FIG. 3 is an elevation view showing a support mechanism and an advance / retreat drive mechanism of a second rotating brush.

FIG. 4 is a plan view of the brush cleaning device according to the embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... gas cylinder, 1a ... cylinder cylinder part, 1b ... cylinder shoulder part, 1d ... cylinder bottom part, 2 ... rolling roller, 3 ... roller rotating means, 4 ... 1st rotating brush, 5 ... 2nd rotating brush, 6
... cylinder receiver, 7 ... attitude switching means, 8 ... receiver driving means, 9 ... contact pressure adjusting means, 10 ... cylinder support base, 20 ... brush moving gantry, A ... standing attitude, B ... sideways attitude.

 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Toshio Kurokawa 3-14-11 Tsujiya, Amagasaki-shi, Hyogo Ito Industry Co., Ltd. F-term (reference) 3B116 AA24 AB33 AB42 BA02 BA13 BA14 BA34 CD41

Claims (4)

[Claims] A plurality of rolling rollers (2) rotatably supporting a gas cylinder (1) while lying down, and roller rotating means (3) for rotating the rolling rollers (2).
And a first rotating brush (4) that is provided so as to be relatively movable along the cylinder barrel (1a) and polishes the cylinder barrel (1a), and polishes the cylinder shoulder (1b). A brush cleaning device for a gas cylinder, comprising: a second rotating brush (5). 2. A brush cleaning apparatus for a gas cylinder according to claim 1, wherein a cylinder support (6) is provided at one end of a cylinder support (10) provided with said rolling roller (2), and said cylinder support is provided. The table (10) is configured to be switchable between the standing posture (A) and the rollover posture (B) by the posture switching means (7), and the standing posture (A)
The cylinder bottom (1d) is received by the cylinder receiver (6), and the cylinder body (1a) is supported by the rolling rollers (2). In the sideways posture (B), the cylinder body (1a) is held. A brush cleaning apparatus for a gas cylinder, wherein the apparatus is configured to be rotatably supported by the rolling roller (2). 3. The gas cylinder brush cleaning apparatus according to claim 2, wherein a receiver driving means (8) for driving the cylinder receiver (6) to advance and retreat is attached to the cylinder support (10), and the roll-over posture is provided. By moving the cylinder receiver (6) forward and backward in (B), a predetermined gap is formed between the cylinder receiver (6) and the cylinder bottom (1d). Gas cylinder brush cleaning device. 4. The brush cleaning device for a gas cylinder according to claim 1, wherein the second rotary brush (5) is supported via contact pressure adjusting means (9). The second rotating brush (5) supported by the contact pressure adjusting means (9) is configured to be able to advance and retreat with respect to the cylinder shoulder (1b) via a brush moving gantry (20). 5), the second rotating brush (5) in contact with the cylinder shoulder (1b) moves by following the curved surface of the cylinder shoulder (1b) by its own weight. Characteristic brush cleaning equipment for gas cylinders.