JPS5987087A - Washing method - 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 The present invention relates to a cleaning method for cleaning fluid passages such as MI+ holes and cooling waterways drilled in an object to be cleaned.

Conventionally, when cleaning an object to be cleaned in which a main channel is perforated in the object and a number of branch channels are perforated from the main channel, high-pressure fluid is first supplied from one main channel 1-''. The main flow path was cleaned, and then a nozzle provided with a jet was inserted into a position corresponding to the branch flow path from the other main flow path opening, and high-pressure fluid was supplied to clean the branch flow path.

This has caused the following problems.

■ [111. Machining accuracy of the nozzle nozzle is required,
The nozzle is expensive.

(2) Since the nozzle is inserted into the main flow path, the nozzle and the main flow path are likely to be damaged.

(2) The cleaning effect is low because the spout of the nozzle and the branch flow path do not match well.

The present invention solves the above problems, and its purpose is to:
It is an object of the present invention to provide a cleaning method that is simple and highly effective.

In order to achieve such an object, the first aspect of the present invention provides a method for cleaning an object to be cleaned, which has a main flow path passing through the object and a branch flow path branching from the main flow path. An elastic member is fixed to the cleaning device and an elastic member is fixed to the tip of the cleaning device, which is arranged opposite to the cleaning device and has an elastic member fixed thereto, and a cleaning fluid flow path is formed through the elastic member. a step of transporting the object to be cleaned between an airtight sealing device and an airtight sealing device; a first cleaning step of cleaning the object by aligning and abutting the object with a channel opening and supplying pressurized fluid to the object from the cleaning device; and a main channel opening on the other end surface of the object. is closed by an elastic member of the airtight sealing device, and pressurized fluid is supplied from the cleaning device to the object to be cleaned; According to a second aspect of the present invention, there is provided a method for cleaning an object to be cleaned, which has a main flow path passing through the main flow path and a branch flow path branching from the main flow path, in which elastic members are disposed at opposite ends thereof. a step of conveying the object to be cleaned between a row of cleaning devices to which a cleaning fluid flow path is formed through the elastic member; By aligning and abutting the cleaning fluid channel opening of the cleaning device and the main channel opening of the object to be cleaned against one end surface of the object to be cleaned, and supplying pressurized fluid from the cleaning device to the one object to be cleaned. a first cleaning step of cleaning the object to be cleaned; and a first cleaning step of cleaning the object to be cleaned; The cleaning fluid flow path port of the other cleaning device and the main flow path port of the object to be cleaned are aligned and brought into contact with the other end surface of the object to be cleaned, and pressurized fluid is supplied from the pair of cleaning devices to the object to be cleaned. and a second cleaning step of cleaning the object to be cleaned.

Hereinafter, one embodiment of the present invention will be described based on the drawings.

1 and 2, reference numeral 1 denotes an object to be cleaned, and the object to be cleaned 1 has a main channel 2 and a plurality of branch channels 3 bored therein. In the case of this embodiment, the main flow path 2 penetrates from one end side of the object to be cleaned 1 to the other end side of the object to be cleaned, and the plurality of branch flow paths 3 are branched from the main flow path 2 to the object to be cleaned. It is arbitrarily opened to the outside (11-) of the object 1 to be cleaned.The cleaning chamber C into which the object 1 to be cleaned is transported is connected to the cleaning device 4 in an airtight manner with the object 1 to be cleaned sandwiched therebetween. Seal devices 5 are arranged facing each other.

First, the cleaning device 4 will be described. 6 is a peripheral wall of the cleaning chamber C, and a window 7 is formed in the peripheral wall 6. This nitrogen 7
A base 8 is fixed to the peripheral edge of the base 8, and several plates 9 are inserted through gaskets 10 to the base 8 so as to close the portholes 7. This plate 9 has holes 1j, 1
A piston rod 15 of a cylinder 14 fixed to the outer surface of the plate 9 and operated by air or hydraulic pressure passes through the hole 11 and extends telescopically into the cleaning chamber C. The piston rod 15 is connected to a cleaning chamber body 17 via a knuckle 16.

A chamber 20 that is open to the front is formed in the cleaning chamber body 17, and a chamber plate 19 having holes 18 is attached to the cleaning chamber body 17 so as to cover the chamber 20. A holder 22 having a flow path 21 aligned with the hole 18 is fixed to the chamber plate 19 with its tip facing the object 1 to be cleaned. The flow path 21 communicates with the chamber 20 via the hole 18 in the chamber plate 19 . At the tip of this holder 22, a hole 25a is provided as a cleaning fluid flow path to airtightly seal the mouth of the main flow path 2 of the object 1 to be cleaned.
A masking rubber 2 filter having a diameter is attached. A guide post 24° 25 is provided on the side opposite to the side where the chamber plate 19 of the cleaning part 17 is cut.
The guide posts 24 and 25 are fitted with bearings 26 and 27 that are held and fixed in the holes 12 and 15.
are each slidably supported. guide boss 2
A flow path 28 is bored in the axis of 4, and one end thereof is open to the chamber 2o, and the other end is connected to a pressurized fluid source (not shown). Of course, a flow path may also be provided in the axis of the guide post 25 to provide the same function as the kite host 24. One end of a bracket 29 is fixed to the kite post 25 at a proper position, and the other end is a holder 30 that extends upward and is parallel to the guide post 25.
A few words have been said. A screw is carved on the outer peripheral surface of the holder 30. This holder 30 has a dog 61°62
are screwed together, and by moving the dogs 31, 32 along the screws, the positions it/, 1 of the dogs 31, 32 can be moved. A bracket 5 is fixed to the front Ml plate 9, and limit switches 34 and 35 are mounted on the bracket 63 so as to be located in the reciprocating region of the dogs 31 and 32. This confirms that the cleaning chamber main body 17 moves forward and backward.

The airtight sealing device 5 is approximately the same as the cleaning device 4 17I.
It is of I-built construction, and the same components as those of the cleaning device 4 are marked with a dash and their description will be omitted.

The difference between the airtight sealing device 5 and the cleaning device 4 is that the kite host 24, the plate 19 holder 22, and the masking rubber 23 have a channel 28, a chamber 20, a channel 21, and a hole 25, respectively.
It is located where a is not formed.

Next, the effect will be explained.

The object 1 to be cleaned is transported to the cleaning chamber C, and the object 1 to be cleaned is positioned and fixed at a predetermined position. At the same time, the cleaning device 4
The cylinder 14 is actuated, and the piston rod 15 within the cylinder 14 is extended. Along with this, the cleaning chamber body 1
7 advances toward the object 1 to be cleaned (rightward in FIG. 1), and connects the holder 22 of the cleaning chamber main body 17 to the flow path 21 of the object 1 and the main channel 2 of the object 1 through the masking rubber 23. They are aligned and abutted against the inlet at one end of the main flow path 2 in an airtight state. Subsequently, a compressed fluid, such as cleaning liquid, water, etc., is supplied from a compressed fluid source (not shown) to the channel 28, the chamber 20, the channel 21, and the hole 2.
3a to the main channel 2 of the object to be cleaned 1, first,
The main flow path 2 is cleaned for a predetermined period of time.

64 Cleaning' + Kt 4 Airtight sealing @ 5
The cylinder 14' is operated, the piston rod 15' inside the cylinder 14' is extended, and the plate 36 moves forward (to the left in FIG. 1), causing the holder 22 protruding from the plate filter 6 to move forward. Masking rubber 2 attached to the tip of
6' is brought into airtight contact with the inlet on the other end side of the main channel 2 of the object to be cleaned 1. Therefore, the pressurized fluid that is continuously supplied flows through the main channel 2 to the plurality of branch channels 6, and the bI and purification of each branch channel 6 is performed.

After a predetermined period of time, the supply of pressurized fluid from the source of pressurized fluid is stopped and the cylinders 14, 14' are actuated to shorten the piston rods 15, 15' for cleaning.

The Yamba main body 17 and the plate 56 return to their original positions.

After that, the object to be cleaned 1 is transported to the next process.

Although one embodiment has been described above, the present invention also includes the following.

(a) Pressurized fluid The concept of pressurization includes high pressure and low pressure.

(b) The pressurized fluid is not limited to a liquid such as a cleaning liquid or water, but may also be a gas such as compressed air.

(C) When a plurality of main channels 2 are provided in the object 1 to be cleaned, a holder 22 and a masking rubber 26 may be added and moved at appropriate positions on the cleaning chamber body 17 to correspond to the main channels 2. This makes it extremely easy to clean a plurality of channel systems at the same time.

(d) Is there a cleaning device on the other end of the main channel 2 instead of the airtight seal device 5? i4 may be provided. Thereby, the cleaning flow rate can be increased, the cleaning effect can be enhanced, and the cleaning time can be shortened.

(e) Masking rubber 23, 23' material iL -f
Instead of A, a material having sealing ability such as plastic may be used.

(f) The masking rubber 23' may be applied directly to the tip of the piston rod 15'. Thereby, the weight of the airtight sealing device can be reduced.

As is clear from the above description, the present invention has the following effects. That is, (a) in the first invention and the second invention, since the pressurized fluid is supplied from the main channel opening, an expensive nozzle is not required. Furthermore, it is no longer necessary to insert the nozzle into the main flow path, and the nozzle and the main flow path will not be damaged. Furthermore, even if a processing error occurs when pressing and processing a flow path on the object to be cleaned, the cleaning effect will not be reduced. Furthermore, even if the object to be cleaned has multiple flow path systems, the cleaning effect will not be reduced.
Can be easily dealt with.

(B) In the second invention, since the pressurized fluid is supplied from both ends of the main flow channel opening, the flow rate of the pressurized fluid can be increased, the cleaning effect is enhanced, and the cleaning time is minimized. Can be shortened.

The cleaning time can be extremely shortened.

[Brief explanation of the drawing]

FIG. 1 is a front view showing one embodiment of the present invention, and FIG. 2 is a front view showing an embodiment of the present invention.
FIG. 2 is a left side view of FIG. 1; 1... Object to be cleaned 2... Main channel 3... Branch channel 4... Cleaning device 5... Airtight seal device 26.25'... Masking rubber 25a... Hole Patent applicant Kito Kogyo Co., Ltd. (1 other person)

Claims (2)

[Claims] (1) In a method for cleaning an object to be cleaned, which has a main flow path passing through the main flow path and a branch flow path cutting into the main flow path and branching off, the elastic portion side is fixed to the tip thereof, and the elastic portion side is penetrated to be cleaned. a step of conveying the object to be cleaned between a cleaning device in which a fluid flow path is formed and an airtight sealing device disposed opposite to the cleaning device and having an elastic member fixed to its tip; An elastic member is brought into contact with one end surface of the object to be cleaned by aligning the cleaning fluid flow path L1 of the cleaning device with the main flow channel opening of the object to be cleaned, and pressurized fluid is applied to the object to be cleaned from the cleaning device. a first cleaning step of cleaning the object to be cleaned by supplying pressurized fluid to the object to be cleaned; A cleaning method comprising: a second cleaning step of cleaning the object to be cleaned by supplying it from a cleaning device. (2) In a method for cleaning an object to be cleaned, which has a main flow path passing through the main flow path and a branch flow path branching from the main flow path, an elastic member is fixed to the distal end of the main flow path facing each other, and the elastic member is fixed to the tip of each of the flow paths facing each other. transporting the object to be cleaned between a pair of cleaning devices in which a cleaning fluid flow path is formed; A first cleaning step in which the cleaning fluid flow path port and the main flow path port of the object to be cleaned are aligned and in contact with each other, and the object to be cleaned is cleaned by supplying pressurized fluid from the cleaning device to the one object to be cleaned. a step of bringing the elastic member of the other cleaning device into contact with the other end surface of the object to be cleaned by aligning the cleaning fluid flow path opening of the other cleaning device and the main flow path opening of the object; A cleaning method comprising: a second cleaning step of cleaning the object to be cleaned by supplying pressurized fluid to the object from the pair of cleaning devices.