JP3217726B2 - Ultra high pressure water processing equipment and ultra high pressure water processing system - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an ultra-high pressure water processing apparatus and an ultra-high pressure water processing system for processing a workpiece by injecting ultra-high pressure water, and particularly to a workpiece having a complicated shape which is not planar. The present invention relates to a material suitable for processing.

[0002]

2. Description of the Related Art Conventionally, in construction work and the like, scaffolding is built around a building to perform work. As a general scaffold, for example, there is a gate-type scaffolding frame 11 that is used vertically as shown in FIG. This is a thick pipe 11 on the outside
a, the inside of which is reinforced with a thin pipe or a planar member 11b, and these are assembled by welding each other.

[0003] In such a simple scaffold frame, during work, concrete, paint, or the like adheres around the pipe and becomes dirty. Therefore, the contractor collects the work after the work to reuse it, and all dirt is washed away. Since this dirt cannot be easily removed, conventionally, it was removed using a sand blast method or the like.However, in recent years, instead of this cleaning, instead of this cleaning, there are problems such as occurrence of dust pollution and damage to a workpiece. An ultrahigh-pressure water processing device that jets ultrahigh-pressure water (jet water) without pollution or damage has been developed.

[0004]

However, in the conventional ultrahigh-pressure water processing apparatus, since the ultrahigh-pressure water is jetted from the direction perpendicular to the surface of the workpiece, it can be cleaned only in a planar manner, and it is difficult to use a three-dimensional pipe or the like. It is difficult to sufficiently wash off the concrete or paint that has adhered to the side surface of the workpiece formed of a typical member.

[0005] Further, since the ultrahigh-pressure water processing apparatus is arranged only above the transport path for transporting the workpiece, only one side can be cleaned in one pass, and after one side cleaning, the workpiece is turned over and cleaned. The surface had to be changed and the remaining surface had to be cleaned in the second pass. For this reason, the cleaning work was very troublesome.

SUMMARY OF THE INVENTION An object of the present invention is to provide an ultrahigh-pressure water processing apparatus for processing a workpiece by jetting ultrahigh-pressure water, which solves the above-mentioned problems of the prior art and solves the problem of non-planar surroundings of the workpiece. It is an object of the present invention to provide an ultrahigh-pressure water processing apparatus capable of sufficiently processing dirt.

Another object of the present invention is to provide an ultrahigh-pressure water processing system capable of processing both surfaces of a workpiece in one pass.

[0008]

According to a first aspect of the present invention, there is provided an ultrahigh-pressure water processing apparatus for processing a workpiece by injecting ultrahigh-pressure water onto the workpiece transported on the transport path.
Synchronously rotating rotors provided at both ends in the width direction of
And eccentrically supported by two rotors, respectively,
Two high pressure water revolving around the rotor
A nozzle head and the nozzle head above the two nozzle heads
Two pillars each standing upright, and the two pillars
A plurality of nozzle heads are provided, and the two nozzle heads are
To supply ultra-high pressure water.
The lower end is connected to the connection opening and the upper end is on the support above the nozzle head
The upper end is fixed by the revolution of the nozzle head.
Metal pipe that pendulums around
Two-sided support at the lower connection port of the two connected nozzle heads
Ultra high pressure water from the two nozzle heads is held inside
The nozzle head revolves around the conveying surface and
A swinging link that cranks on the same plane,
The swing link provided along the longitudinal direction of the swing link;
Multiple injection nozzles for injecting ultra-high pressure water introduced into the
And at least one of the plurality of injection nozzles
The ultra high pressure water is injected obliquely to the workpiece.
It is inclined for the purpose.

When the nozzle is tilted to inject ultra-high pressure water obliquely to the workpiece, and the inclined nozzle is cranked on the same plane parallel to the transport surface of the workpiece, the top of the workpiece is Ultra high pressure water is sprayed on the side as well as the side at a large angle. Therefore, the degree of processing of the workpiece is improved.

According to a second aspect of the present invention, in addition to the configuration of the first aspect of the present invention, a vertical nozzle for jetting ultra-high pressure water from a vertical direction to the workpiece is provided, and the inclined nozzle and the vertical nozzle are covered. These are arranged on swing links according to the shape of the workpiece. As a result, it is possible to realize processing of a workpiece having a more complicated shape.

Further, the invention of claim 3 is based on claim 1
And two ultrahigh-pressure water processing apparatuses are systematized by arranging at least two ultrahigh-pressure water processing apparatuses for jetting ultrahigh-pressure water from both upper and lower surfaces of a workpiece. Thereby, both surfaces of the workpiece can be processed in one pass.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Preferred embodiments of an ultrahigh-pressure water processing apparatus and an ultrahigh-pressure water processing system according to the present invention will be described with reference to the drawings. In this embodiment, a case will be described in which the present invention is used for cleaning a scaffolding frame made of pipe used for temporary construction of a building or the like.

FIG. 2 is a configuration diagram of an ultrahigh-pressure water processing system provided with an ultrahigh-pressure water processing apparatus. A conveyor 12 for transporting a scaffolding frame 11 as a workpiece is set on a gantry 13,
The scaffold frame 11 placed on the conveyor 12 is transported on the conveyor 12 in a direction perpendicular to the plane of the drawing. An ultra-high pressure water processing device 15 is erected on both sides of the conveyer 12 to inject ultra-high pressure water onto the scaffolding frame 11 conveyed on the conveyor 12, such as paint, concrete, etc. attached to the scaffolding frame 11. Peel and clean. The ultrahigh-pressure water processing apparatus 15 mainly includes a column 16 that supplies ultrahigh-pressure water, a driving unit 17 that supports the column 16, and a driving unit 17 that has a rotor 22 that is rotated by a motor.

The used ultra-high pressure water is stored in a tank 31 and discharged to the outside. An opening 32 is provided before and after the tank 31 to secure a transport path.

The ultra-high pressure water processing apparatus 15 is mounted on a tank 31 straddling the pedestal 13, and a driving unit 17 having a column 16 is provided at both ends in the width direction of the conveyor 12. A motor (not shown) for synchronously rotating the rotor 22 in the unit 17 via the belt 21 is provided.

The ultra-high pressure water processing apparatus 15 includes a nozzle head 25 into which the ultra-high pressure water is introduced, a metal pipe 24 for introducing the ultra-high pressure water into the nozzle head 25, and an oscillating link 26 which performs a crank motion. , Nozzle 27 for injecting ultra-high pressure water
And

Two nozzle heads 25 are provided on the left and right sides. The two nozzle heads 25 are eccentrically supported by two synchronously rotating rotors 22 provided with their rotation axes directed in a direction orthogonal to the conveying surface of the conveyor 12. Revolves with rotation.
Two pipes 24 are provided in each of the upright and left columns 16 in order to increase the supply amount of the ultra-high pressure water, the lower end is connected to the nozzle head 25, and the upper end is a pipe holder 23 as a fixed system. Is fixed to the rotor 22
Due to the rotation of the pipe, the lower end of the pipe performs a conical pendulum motion in which a circular motion is made. Actually, the middle portion of the pipe bends due to the centrifugal force, so that the movement becomes a spindle-like movement like a skipping rope. The number of the pipes 24 provided in the support 16 may be one or three or more.

The swing link 26 includes two nozzle heads 2
5, the rotor 22 rotates and the crank rotates on the same plane parallel to the horizontal conveying surface of the conveyor 12 by the rotation of the rotor 22, and the ultra high pressure water from the nozzle head 25 is introduced into the inside. . A plurality of nozzles 27 are attached along the longitudinal direction of the oscillating link 26, and inject the ultra-high pressure water supplied to the oscillating link 26 to the scaffolding frame 11, which is a workpiece.

When the nozzle 41 is vertically attached to the horizontally supported swing link 42 as shown in FIG. 3, the nozzle 41 is injected from the nozzle 41 to the pipe P constituting the scaffolding frame. Even if the swinging link 42 swings in the direction of the arrow due to the crank movement of the swinging link 42, only the top near the front of the pipe P can be washed, and the dirt on the side face of the pipe P cannot be sufficiently washed. . If the jet angle of the ultrahigh-pressure water to the cleaning surface is not large, even if the ultrahigh-pressure water is sprayed on the cleaning surface, the cleaning effect will be exhibited only by tracing the cleaning surface. Nozzle 27
The nozzle 27 is attached to the swing link 52 extending in the horizontal direction so as to be able to spray the ultra-high pressure water from the pipe at a large angle also to the side surface of the pipe P. The inclined nozzles 27a and 27b which are attached to be inclined are attached to the pipe P by an angle θ with respect to the horizontal direction. Angle θ
Is larger than 90 ° and smaller than 180 °, and usually the optimum value is 45 °, but is optimal depending on the diameter of the pipe P, the pitch of the inclined nozzles 27a and 27b, the mounting position of the swing link 52, and the like. The values are different.

By attaching the inclined nozzles 27a and 27b in this way, it is possible to spray ultra-high pressure water at a large angle with respect to the side surface of the pipe P. This inclined nozzle 27
Since the swing link 52 to which the a and 27b are attached swings in the direction shown by the arrow, the swing nozzles 27a,
The ultra-high pressure water sprayed from the pipe 7b and blown onto the pipe P makes it possible to sufficiently clean the pipe from the top a to the vicinity of the side b, that is, the upper half circumferential surface of the pipe P. Further, since the pipe P is cleaned while being transported in a direction perpendicular to the plane of the paper, the pipe P can be similarly cleaned along the longitudinal direction.

FIG. 4 shows the nozzle 27 with respect to the swing link 52.
It is a figure showing the attachment situation of. The nozzles 27 a to 27 g are arranged along the longitudinal direction of the swing link 52 according to the shape of the scaffolding frame. In particular, the left end side nozzle 27a and the nozzle 27b are inclined and disposed so as to face the large diameter pipe P of the workpiece, and the right end side nozzle 27a
f and the nozzle 27g are also inclined so as to face the small-diameter pipe PA of the workpiece. A guide hole 53 for guiding ultra-high pressure water runs in the swing link 52, and the guide hole 53 communicates with each nozzle 27 so that the ultra-high pressure water is guided to the nozzle 27.

By arranging in this manner, the swing link 5
Due to the swing of 2, the nozzle 27a and the nozzle 27b can spray the ultra-high pressure water at a large angle even on the side surface of the pipe P. The nozzle 27a and the nozzle 27b
It is preferable that the distance between the pipe and the pipe P is set to an optimum distance so that the top surface and the side surface can be sufficiently cleaned in consideration of the thickness of the pipe P. The same applies to the distance between the nozzles 27f and 27g and the pipe PA.

The inclined nozzles 27a, 27b and 27
By providing the nozzles 27c to 27e directed in the vertical direction in the middle part between the f and 27g, it is possible to spray ultra-high-pressure water more effectively on the planar middle part of the scaffolding frame. .

FIG. 5 is a detailed sectional view of the nozzle 27 common to the nozzles 27a to 27g. As shown in FIG. 5 (a), a mounting hole 274 is provided in a nozzle head 275 protruding from a part of the swing link, and a nozzle body 273 communicating with the conducting hole 53 via an O-ring 272 is provided in the mounting hole 274. The nozzle body 273 is pushed in, and the nozzle set screw 271 is screwed in from above, to fix the nozzle body 273 deep inside the mounting hole 274. The nozzle main body 273 is made of, for example, diamond in order to withstand high-speed injection of ultrahigh-pressure water and maintain the nozzle shape for a long time. FIG. 5 shows the details of the nozzle body 273.
(B).

(Effects of Embodiment of the Present Invention): According to the ultrahigh-pressure water processing apparatus of the above embodiment, a plurality of nozzles 27
(Nozzles 27a, 27b, 27f, 27g)
Since the pipe scaffolding frame was arranged not vertically but at an angle, it was possible to spray ultra-high pressure water at a large angle to the side surface of the pipe constituting the scaffolding frame.
Therefore, not only the top surface but also the side surface of the scaffolding frame can be sufficiently cleaned. Therefore, concrete or paint that has adhered to the pipe can be peeled off without fail.

The water pressure of the ultrahigh-pressure water washing in the present invention is 300 kg / cm ² or more. Incidentally, the specification of the ultra-high pressure water processing apparatus in FIG.
m, the number of nozzles is 7, the orbital radius is 20 mm, and the pump pressure of the high-pressure water supply source is 1250 kg / cm ² . The outer diameter of the pipe 24 is 6.2 mmφ, and the inner diameter is 3.0 mm.
φ, the pipe length is 1300 mm.

(Other Embodiments) In the embodiment shown in FIG. 2, the swing link 26 is extended over the conveyor 12 so that the ultra-high pressure water is injected only from above the workpiece. A swing link 26 may also be provided below the conveyor 12 so as to inject ultra-high pressure water from below the workpiece. In order to extend the swing link 26 below the conveyor 12, an ultra-high pressure water processing device for lower injection is separately provided in the conveying direction with respect to the ultra-high pressure water processing device for upper injection, and the nozzle head thereof is provided. It is only necessary to extend the pipe downward, and the column for the pipe for guiding the ultra-high pressure water can be juxtaposed on the tank in the same manner as the column for the upper jet.

Further, in the above-described embodiment, the description has been given of the ultra-high pressure water processing apparatus for cleaning the scaffolding frame made of pipes. It can also be applied to workpieces. Also, a workpiece having a much smaller size than the ultrahigh-pressure water processing apparatus of the present embodiment, for example, an insulator or solder attached to a connection terminal with a connector formed on a side piece of a printed circuit board. It can also be used for cleaning paste and the like when attaching.

The nozzles may be mounted in a single row along the swing link, or may be mounted in a double row. In this case, the staggered mounting can increase the processing area of the workpiece.

[0030]

As described above, the apparatus according to the present invention injects ultra-high pressure water obliquely to the workpiece while cranking it, so that a large angle is applied to the side surface of the workpiece. , It is possible to spray ultra-high pressure water, and it is possible to perform a uniform and sufficient processing on a workpiece having a complex shape that is not planar.

If at least two devices of the present invention are provided above and below the workpiece, both sides of the workpiece can be processed in one pass.

[Brief description of the drawings]

FIG. 1 is a diagram showing a main part of an ultrahigh-pressure water processing apparatus according to an embodiment.

FIG. 2 is an overall configuration diagram of the ultrahigh-pressure water processing apparatus according to the embodiment.

FIG. 3 is a diagram illustrating a problem when a nozzle is arranged vertically.

FIG. 4 is a specific explanatory view of nozzle attachment of the ultrahigh-pressure water processing apparatus of the embodiment.

FIG. 5 is a detailed view of a nozzle of the ultrahigh-pressure water processing apparatus according to the embodiment.

FIG. 6 is an explanatory view of a pipe-made scaffolding frame used in construction work.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 11 ... Scaffolding frame 12 ... Conveyor 16 ... Post 21 ... Belt 22 ... Rotor 23 ... Piping holder 24 ... Piping, 25 ... Nozzle head 26 ... Swing link 27 ... Nozzles 27a, 27b, 27f, 27g ... Inclined nozzles 27c to 27e … Vertical nozzles P, PA… Pipes that make up the scaffolding frame

Claims (3)

(57) [Claims] An ultra-high pressure water processing apparatus for processing a workpiece by injecting ultra-high pressure water onto the workpiece conveyed on a transport path, wherein a synchronous rotation provided at both ends in a width direction of the transport path. Two
A rotor and two rotors eccentrically supported by the rotor,
Two nozzles into which ultra-high pressure water revolving due to the rotation of the water is introduced
Heads and two nozzles that are respectively set up above the two nozzle heads.
A plurality of struts, and a plurality of struts are provided in each of the two struts.
Before supplying ultra high pressure water to each nozzle head
The lower end is connected to the upper connection port of the nozzle head, and the upper end is
The nozzle head is fixed to the upper part of the column above the nozzle head.
Metal that oscillates around the upper end due to the revolution of C
Pipe and a lower connection of two nozzle heads connected to the metal pipe.
It is supported on both sides by the opening, and the two nozzle heads
Ultra-high-pressure water is introduced inside, and the nozzle head revolves.
Oscillation that cranks on the same plane parallel to the transport surface
A link, and the swing link provided along a longitudinal direction of the swing link.
Nozzles that inject ultra-high pressure water introduced into the tank
And at least one of the plurality of injection nozzles is
To inject the ultra-high pressure water obliquely to the workpiece
Ultra high pressure water processing equipment characterized by being inclined. 2. The apparatus according to claim 1, further comprising a vertical nozzle for injecting the ultra-high pressure water from a vertical direction to the workpiece, wherein the inclined nozzle and the vertical nozzle are swung according to the shape of the workpiece. The ultrahigh-pressure water processing apparatus according to claim 1, wherein the apparatus is arranged on a dynamic link. 3. An ultra-high pressure processing system in which at least two ultra high pressure water processing apparatuses according to claim 1 or 2 are arranged to inject ultra high pressure water from both upper and lower surfaces of the workpiece.