JPS6182875A - Washing method and apparatus - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a cleaning method and apparatus for removing chips, cutting oil, etc. adhering to objects to be cleaned, such as processed automobile parts.

(Prior art) Conventionally, when cleaning an object to be cleaned such as an automobile part, such as an intake manifold, the object to be cleaned is placed and fixed in a predetermined position in a cleaning chamber provided in the main body of the washing machine, and then the object is placed in the cleaning chamber. A fixed nozzle chamber is equipped with a large number of nozzles for cleaning the entire surface of the object to be cleaned, and a number of nozzles for cleaning tap holes, drilled holes, port holes, etc. drilled in the object to be cleaned. Cleaning liquid is ejected from the nozzle to clean the object to be cleaned, and after cleaning, the iA cleaned object is dried by blowing air from a predetermined nozzle fixed in the cleaning chamber.

In such a cleaning method and apparatus, when cleaning a large amount of objects of a certain shape and size, the cleaning can be done in a short time and a favorable cleaning effect can be obtained.

(Problem to be Solved by the Invention) However, when cleaning objects of different shapes and dimensions, each time the type of object changes, the nozzle chamber is adjusted to the shape and size of the object. It is necessary to replace the chamber with a compatible chamber, and this replacement work takes a lot of time. In particular, when cleaning a small amount of objects, the nozzle chamber must be replaced frequently, which significantly reduces productivity. Furthermore, it is necessary to prepare several nozzle chambers corresponding to the objects to be cleaned, depending on the type of the objects to be cleaned, which increases setup costs.

Furthermore, since cleaning is performed by attaching a large number of nozzles to the nozzle chamber, the nozzles are likely to become clogged and maintenance work becomes troublesome.

SUMMARY OF THE INVENTION An object of the invention is to provide a cleaning method and an apparatus therefor that can solve the above-mentioned problems and can effectively clean even small amounts of different types of objects to be cleaned.

(Means for solving the problem of λ self-illumination) Therefore, in the method of the present invention, the object to be cleaned is lifted and lowered in the cleaning chamber, and the object to be cleaned is cleaned by depping cleaning and jet cleaning, and the dirty liquid after cleaning is It is characterized by being discharged to the outside after washing. Thereby, even if the type of the object to be cleaned changes, there is no need for setup fluctuations, and the object to be cleaned can always be cleaned with clean cleaning liquid.

In addition, the technical means of the apparatus of the present invention is characterized in that the lifting unit on which the object to be cleaned is placed is arranged in the cleaning chamber of the main body of the cleaning machine so that it can be raised and lowered, and the drain outlet provided in the cleaning chamber is
By sealing the drain outlet with the sealing member so that it can be opened and closed, and by sealing the drain outlet with the sealing member, a depping cleaning finger for performing depping cleaning is formed in the cleaning chamber, and the amount of cleaning liquid stored in this depping cleaning tank is limited to overflow. The flow means is determined by the flow means, and the inside of the cleaning chamber is provided with a cleaning nozzle for spouting a cleaning liquid to enable jet cleaning of the object to be cleaned. Thereby, depping cleaning by the depping cleaning tank and jet cleaning by the cleaning nozzle can be performed in one cleaning MP3.

(Example) An embodiment of the present invention will be described below.

1 to 4 show this embodiment. Reference numeral 1 denotes a washing machine main body in which a washing chamber 2 is provided. Inside the washing chamber 2 of the washing machine main body 1, there is a pair of guides extending in the vertical direction. rail 3
．． A pair of guide rails 5 and 3 are fixedly supported by a bracket 4 fixedly installed in the cleaning chamber 2.

Reference numeral 5 denotes an elevating unit for placing the object to be cleaned, and the elevating unit 5 includes a bracket 6 having a window portion 6a, and a basket 7 attached to the window portion 6a of the bracket 6 on which the object to be cleaned is placed directly. and guide rollers 8, 8 rotatably mounted on the bracket 6 and engaged with a pair of guide rails 3, 5. A piston rod 9a of a lifting cylinder 9 attached to the upper part of the washing machine main body 1 is connected to the bracket 6 of the lifting unit 5.

Therefore, the elevating unit 5 moves up and down in the AA force direction along the pair of guide rails 5.degree.5 by expanding and contracting the piston rod 9a of the elevating cylinder 9.

10, 11, 12, and 13 are slit nozzles fixed in place in the cleaning chamber 2. Slit nozzles 10, 11, 12, and 13
The width dimension of the spout 5 is the same as that of the basket 7 of the lifting unit 5.
Each can be determined as appropriate depending on the size of the area. The slit nozzle 10.11.12.13 places the object to be cleaned in the basket 7 of the elevating unit 5, and while the elevating unit 5 is raised and lowered along the pair of guide rails 3 and 5, the slit nozzle 10.11. Jet cleaning is performed by jetting cleaning liquid from 12 and 15 toward the object to be cleaned.

14 is a drain outlet established at the bottom of the cleaning chamber 2;
5 is a lid for sealing the drain outlet 14, and this lid 15 is attached to a bracket 16 fixed to the washing machine main body 1.
It is mounted rotatably in the vertical direction by a hinge pin 17.

The upper end of the sealing cylinder 18 for rotating the lid 15 is attached to a hinge pin 2 to a bracket 19 fixed to the washing machine main body 1.
The piston rod 18a of the sealing cylinder i8 is connected to the upper end side protrusion of the lid 15. Therefore, the indigo 15 seals or opens the drain outlet 14 by expanding and contracting the piston rod 181 of the sealing cylinder 18.

Reference numeral 21 denotes a depping cleaning tank formed at the lower part of the cleaning chamber 2 when the drain outlet 14 is sealed with the shaft 15. The cleaning liquid 22 is in the depping cleaning tank 21, and the cleaning liquid is lit in the depping cleaning tank 21. When the light is adjusted, the cleaning liquid 22 overflows from a sink 23 formed in the cleaning chamber 2. Therefore, the amount of the cleaning liquid 22 stored in the depping cleaning phase 21 is limited to the amount of the cleaning liquid 22 stored in the depping cleaning phase 21.
determined by the height position of The cleaning liquid overflowing from the outlet 25 flows through a flow path 24.

Reference numeral 25 denotes a drainage channel for guiding the sewage after washing, and a round basket strainer 26 is provided at an appropriate position in the drainage duct 25 for filtering the sewage after washing. 27 is a cleaning liquid tank in which cleaning liquid is stored, 28 is an object loading port provided in the cleaning chamber 2, and 29 is a port from which cleaning liquid is discharged from the object loading port 28 of the cleaning chamber 2 when cleaning objects. A door 50 for preventing scattering to the outside is a flavor cylinder fixed to the upper part of the washer 1, and a piston rod 50a of the flavor cylinder 30 is connected to the door 29. When the piston rod 30a of the taste agent cylinder 50 expands and contracts, the door 29 opens and closes the object loading port 28 of the washing chamber 2.

51 is a suction tank disposed above the cleaning liquid tank 27, and the cleaning liquid in the suction tank 31 is supplied toward the four-way switching valve 55 by the cleaning pump 52.

The four-way switching valve 53 has a boat Po communicating with the depping cleaning tank 21, a port 1-Pl communicating with the slit nozzle 12.13, and a port P communicating with the slit nozzle 10.
A boat P communicating with the slit nozzle 11 is provided.

57, 58, 39, 40 are arranged in the cleaning chamber 2,
Air blow nozzles 34 eject air toward the object to be cleaned, these air blow nozzles 57, 3B, 5
9.40, the air supply from the air supply source 34 to the air blow nozzle 57.59 is cut by turning off the solenoid valve 55, and the air supply source 54 The air supply from the air blow nozzle 58.40 is cut off by turning off the solenoid valve 56.

Next, a method of cleaning using the cleaning device configured as described above will be explained. It is now assumed that all the devices installed in the washing machine main body 1 are in a state before starting washing, as shown in FIG.

That is, the piston rod 30a1 of the flavor cylinder 50
The piston rods 9, a of the lifting cylinder 9 and the piston rod 18a of the sealing cylinder 18 are shortened, the door 29 and the lifting unit 50 are placed at the upper end, the object loading port 28 is open, and the lid is closed. 15 is in an open state.

Therefore, first, the Ministry places the object to be cleaned in the basket 7 of the lifting unit 5, and then presses the start button (not shown), and the piston rod 30a of the seasoning cylinder 50 extends, lowering the object 29 to be cleaned. Close the loading port 28.

Is the load port 28 for items to be cleaned the door 2? When the sealing cylinder 18 is closed, the sealing cylinder 18 operates, and the extension of the piston rod 183 of the sealing cylinder 18 causes the tray 15 to close the drain outlet 14.
It rotates to the side to seal the drain outlet 14.

When the drain outlet 14 is sealed with the lid 15, the cleaning pump 32 is activated, and the cleaning α in the suction tank 61 sucked up from the cleaning liquid tank 27 is sent to the four-way switching valve 55. The cleaning liquid is supplied from P0 to the depping cleaning tank 21 of the cleaning chamber 2. In this case, the cleaning pump 52 continues to supply the cleaning liquid. As a result, the cleaning solution overflows from the opening 23 formed in the cleaning chamber 2, and as shown by the imaginary line in FIG. It turns out. The cleaning liquid overflowing from the sink 23 is filtered through the fluid path 24, the drain path 24, and the round basket strainer 26, and returns to the cleaning tank 27 again.

Detsuping cleaning? ! When 21 is filled with cleaning liquid 22,
The lifting cylinder 9 is activated, and the piston rod 9a of the lifting cylinder 9 begins to extend and contract. Lifting cylinder 9
As the piston rod 9a expands and contracts, the elevating unit 5 moves up and down in the AA direction along the pair of guide rails 3, 3. Therefore, the object to be cleaned placed on the lifting unit 5 moves up and down in the cleaning g22 stored in the depping cleaning tank 21, and as a result, the entire surface of the object to be cleaned is cleaned by depping cleaning. be done. This depping cleaning is performed for a predetermined period of time.

When such depping cleaning is completed, the sealing cylinder 18 is operated again, and this time, the piston rod 18a of the sealing cylinder 18 is not shortened and the lid 15 is opened, and the dirty liquid after the depping cleaning is discharged from the drain outlet. 14, passes through a drainage channel 25, is filtered by a round basket strainer 26, and is sent to a cleaning liquid tank 27. On the other hand, when the lid 15 is opened, the four-way switching valve 33 is switched to the boat P8.

Therefore, the cleaning liquid in the saxiran tank 51 passes through the boat P of the four-way switching valve 55 to the slit nozzle 12.1.
The cleaning liquid is injected from the slit nozzle 1'2.13 toward the object to be cleaned, and by performing so-called jet cleaning, chips and the like that were not removed by depping cleaning, that is, the taps of the object to be cleaned, are removed. Chips, etc. adhering to holes, drill holes, etc. are removed.

Thereafter, in the same manner as described above, the four-way switching valve 55 is sequentially switched to the boats P, P, and t, and jet cleaning is performed by sequentially jetting cleaning liquid from the slit nozzles 10.11. Note that here, by sequentially switching the four-way switching valve 35, the slit nozzles 10, 11, 1
The slit nozzle 1 is set to perform jet cleaning by jetting cleaning liquid sequentially from the slit nozzles 1 and 15.
The setting may be such that the cleaning liquid is jetted out simultaneously from 0, 11, 12, and 13 to perform jet cleaning.

Therefore, the above slit nozzle 10.11.12°13
When the jet cleaning is completed, the operation of the cleaning pump 52 is stopped, and the solenoid valve 55 is switched on to blow out air from the air blow nozzle 57.39 to dry the object after cleaning. be exposed. Next, 1, the solenoid valve 55 is turned off and the solenoid valve 56 is turned on, thereby blowing out air from the air blow nozzles 38 and 40 to continue drying the object to be cleaned.

When the air blow nozzles 37.39 and 58.40 finish drying the object to be cleaned, the operation of the lifting cylinder 9 is stopped, and the piston rod 9a of the lifting cylinder 9 is shortened, so that the lifting unit 5 is moved to its original position. Stop at . When the elevating unit 5 stops at the original position, the application cylinder 30 is activated, and the piston rod 30a of the application cylinder 50 is shortened, so that the door 29 rises and opens the object loading port 28. Finally, one cleaning cycle is completed by the stripper taking out the object to be cleaned.

Depending on the object to be cleaned, jet cleaning may be followed by depping cleaning.

As explained above, according to the present invention, the depping cleaning 8 and jet cleaning of the object to be cleaned are performed while moving the object up and down, so the shape and size of the object to be cleaned are To provide a cleaning method and an apparatus therefor, which can reliably clean an object to be cleaned without changing the stage each time, even when the cleaning conditions are different.

With this method, the dirty liquid after washing is discharged outside the washing room, and the washing liquid is collected each time it is washed, so it is possible to always wash with clean washing liquid, and the cleaning effect is improved compared to the conventional method. be able to. In addition, with the device of the present invention, depping cleaning and jet cleaning can be performed in one cleaning chamber, so the main body of the cleaning machine can be made smaller.
It is possible to reduce installation space and production costs.

[Brief explanation of the drawing]

FIG. 1 shows a partially cutaway side view of a cleaning device according to the present invention;
FIG. 2 is a front view thereof, FIG. 3 is a plan view thereof, and FIG. 4 is a cleaning circuit diagram thereof. 1...Washing machine main body 2...Cleaning chamber 5...Elevating unit 7...Basket 9...Elevating cylinder 10, 11.12. 13...Slit nozzle (cleaning nozzle) 14...Drain outlet 21...
Depping cleaning tank 22...Cleaning liquid 25...
・Sink port (overflow means) 25... Drainage channel 1 Figure 1 Figure 3 Figure 4

Claims (2)

[Claims] (1) Dipping cleaning and jet cleaning of the object to be cleaned are performed while the object to be cleaned is raised and lowered in the cleaning chamber, and the dirty liquid after cleaning is discharged outside the cleaning chamber each time. cleaning method. (2) an elevating unit that is disposed in a washing chamber provided in the main body of the washing machine so as to be able to move up and down and places an object to be cleaned; a sealing member that freely opens and closes the drain outlet of the washing chamber; and a sealing member that seals the drain outlet of the washing chamber; A dipping cleaning tank formed in the cleaning chamber when the cleaning chamber is sealed, an overflow means for overflowing the cleaning liquid stored in the dipping cleaning tank, and a cleaning nozzle disposed in the cleaning chamber and spouting the cleaning liquid. A cleaning device featuring: