JP2017087117A - Cleaning system and cleaning method - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cleaning system and a cleaning method for cleaning an object to be cleaned by a cleaning fluid injected from a cleaning nozzle, which are capable of cleaning the internal passage of the cleaning nozzle by compressed air, and eliminating the necessity of cleaning the cleaning nozzle and a cleaning fluid supply pipe by an operator.SOLUTION: This cleaning system is provided with: a cleaning water supply device 11 that supplies a cleaning fluid W to a cleaning fluid supply pipe 12 connected to a cleaning fluid distribution pipe 13 provided with a cleaning nozzle 14; an air supply device 21 that supplies compressed air A to an air supply pipe 24 connected to the cleaning fluid supply pipe 12 or the cleaning fluid distribution pipe 13; and a control device 30 that executes cleaning control for discharging the cleaning fluid W from the insides of the cleaning fluid distribution pipe 13 and the cleaning nozzle 14 by supplying the compressed air A from the air supply device 21 to the air supply pipe 24 while the supplying of the cleaning fluid W to the cleaning fluid distribution pipe 13 is stopped.SELECTED DRAWING: Figure 2

Description

  The present invention relates to a cleaning system and a cleaning method for cleaning an object to be cleaned with a cleaning liquid, and a cleaning system and a cleaning method capable of preventing clogging due to sludge in a cleaning nozzle for injecting the cleaning liquid and a cleaning liquid distribution pipe.

  In a cleaning apparatus that cleans an object to be cleaned such as a vehicle part or a vehicle with a cleaning liquid, for example, as shown in FIG. 3, cleaning distribution pipes 13a, 13b, 13c, and 13d (hereinafter collectively referred to as “cleaning pipes”) 13), the cleaning liquid W is sprayed onto the cleaning object 40 from a large number of cleaning nozzles 14 provided in the cleaning / distribution pipes 13 formed in a single layer or a plurality of layers. .

  However, in the configuration of the cleaning / distributing pipe 13 as shown in FIG. 3, the cleaning liquid W accumulates in the cleaning / distributing pipe 13 and the cleaning nozzle 14 during the cleaning stop as the cleaning apparatus 10X continues to operate. The sludge contained in the cleaning liquid W tends to gather inside the cleaning distribution pipe 13b as shown by hunting, and this collected sludge moves to the discharge port portion of the cleaning nozzle 14 which is a narrow passage. The discharge port is blocked, and the portion of the cleaning nozzle 14 where the discharge port is blocked cannot clean the cleaning target 40, so that the dirt of the cleaning target 40 is not sufficiently removed. There is a problem.

  In this regard, as a device for cleaning a bond application nozzle that applies a bond for bonding electronic components to a substrate, the nozzle is attached to the needle, and air is blown from the needle so that the inside of the nozzle A cleaning device has been proposed in which the nozzle is cleaned with air, and the nozzle is immersed in a cleaning liquid using a cylinder, and the ultrasonic vibrator is driven to clean the nozzle with the cleaning liquid (see, for example, Patent Document 1).

  However, in this nozzle cleaning, the nozzle is cleaned by removing the nozzle from the device that uses the nozzle and attaching it to the needle of the cleaning device. There is a problem that the labor is increased and it cannot be used practically.

JP-A-8-318199

  The present invention has been made in view of the above, and an object of the present invention is to provide a cleaning system and a cleaning method for cleaning an object to be cleaned with a cleaning liquid sprayed from a cleaning nozzle. An object of the present invention is to provide a cleaning system and a cleaning method in which a passage can be cleaned with compressed air, and a cleaning operation of a cleaning nozzle and a cleaning liquid distribution pipe by an operator can be made almost unnecessary.

  In order to achieve the above object, the cleaning system of the present invention includes a cleaning liquid supply pipe connected to a cleaning liquid distribution pipe provided with a cleaning nozzle in a cleaning system for cleaning an object to be cleaned with a cleaning liquid sprayed from the cleaning nozzle. A cleaning water supply device for supplying a cleaning liquid to the cleaning liquid supply piping, an air supply piping connected to the cleaning liquid supply piping or the cleaning liquid distribution piping, and an air supply device for supplying compressed air to the air supply piping, When supply of the cleaning liquid to the cleaning liquid distribution pipe is stopped, compressed air is supplied from the air supply device to the air supply pipe, and the cleaning liquid is discharged from the inside of the cleaning liquid distribution pipe and the cleaning nozzle. A control device that performs cleaning control is provided. According to this configuration, the inside of the cleaning nozzle and the cleaning liquid distribution pipe can be cleaned with compressed air, and the cleaning operation of the cleaning nozzle and the cleaning liquid distribution pipe by the worker can be made almost unnecessary.

  In the above-described cleaning system, when the control device performs a series of cleaning cycles for the respective cleaning objects while exchanging the cleaning objects, the control device performs a control to perform a cleaning operation at the end of the last cleaning cycle. With such a configuration, the cleaning work is automatically performed at the end of a series of cleaning work, so that it is not necessary for the worker to perform the cleaning work consciously, and the burden on the worker can be reduced.

  In the cleaning system, the cleaning system includes a pressure sensor that measures the internal pressure of the cleaning liquid distribution pipe or the cleaning liquid distribution pipe, and the control device supplies the cleaning liquid to the cleaning liquid distribution pipe. During this, when the pressure of the cleaning liquid detected by the pressure sensor becomes larger than a preset pressure, control is performed to perform a cleaning operation after completion of the cleaning cycle at that time. Even when the series of cleaning operations is not completed, if the cleaning nozzle or cleaning liquid distribution pipe is blocked or clogged, cleaning with compressed air can be performed automatically. It is possible to avoid that an object to be cleaned incompletely moves from the cleaning process to the next process.

  In the above cleaning system, the cleaning system includes a flow sensor that measures the supply flow rate of the cleaning liquid to the cleaning liquid distribution pipe, and the control device supplies the cleaning liquid to the cleaning liquid distribution pipe during the cleaning operation. When the supply flow rate of the cleaning liquid detected by the flow sensor becomes smaller than a preset supply flow rate, control is performed to perform a cleaning operation after the cleaning cycle at that time is completed. Even when the series of cleaning operations is not completed, if the cleaning nozzle or cleaning liquid distribution pipe is blocked or clogged, cleaning with compressed air can be performed automatically. Incomplete cleaning objects can be prevented from moving from the cleaning process to the next process.

In the cleaning system, the cleaning system includes a pressure sensor that measures an internal pressure of the cleaning liquid supply pipe or the cleaning liquid distribution pipe, and the control device supplies compressed air to the cleaning liquid distribution pipe. During operation, when the pressure of the compressed air detected by the pressure sensor becomes larger than a preset set air pressure, control is performed to generate an alarm that clogging has occurred. If the cleaning nozzle or cleaning liquid distribution pipe is blocked or clogged, and the cleaning work with compressed air cannot be performed sufficiently, an alarm is generated to allow the operator to perform manual cleaning and maintenance. Inspection work can be urged, cleaning work can be avoided in an abnormal state, and damage to equipment, devices, and sensors can be prevented.

  And the cleaning method of the present invention for achieving the above object is the cleaning method of cleaning the object to be cleaned with the cleaning liquid sprayed from the cleaning nozzle, and supplying the cleaning liquid to the cleaning liquid distribution pipe provided with the cleaning nozzle. The compressed air is supplied from the air supply pipe to the cleaning liquid distribution pipe or the cleaning liquid supply pipe connected to the cleaning liquid distribution pipe, and the cleaning liquid is supplied from the inside of the cleaning nozzle and the cleaning liquid distribution pipe. In this cleaning method, the cleaning nozzle and the internal passage of the cleaning liquid distribution pipe can be automatically cleaned with compressed air, and the cleaning nozzle and the cleaning liquid by the worker can be cleaned. It is possible to eliminate the need for cleaning the distribution piping.

  According to the cleaning system and the cleaning method of the present invention, in the cleaning system and the cleaning method for cleaning the object to be cleaned with the cleaning liquid sprayed from the cleaning nozzle, the internal passages of the cleaning nozzle and the cleaning liquid distribution pipe can be cleaned with compressed air. Further, the cleaning work by the workers for the cleaning nozzle and the cleaning liquid distribution pipe is not required, and the amount of work for the workers required for the regular cleaning work can be reduced.

It is a schematic diagram which shows the structure of the washing | cleaning system of embodiment which concerns on this invention, and is a typical figure which shows the flow of the washing | cleaning liquid during the washing | cleaning operation | work of the washing | cleaning target object. is there. It is a typical figure which shows the flow of the compressed air during the cleaning operation | work by the compressed air of the nozzle for washing | cleaning and the washing | cleaning liquid distribution piping in a washing | cleaning system. It is a schematic diagram which shows the flow of the washing | cleaning liquid during washing | cleaning in the washing | cleaning system which concerns on a prior art.

  Hereinafter, a cleaning system and a cleaning method according to embodiments of the present invention will be described with reference to the drawings. As shown in FIGS. 1 and 2, the cleaning system 1 of the embodiment according to the present invention is a cleaning system 1 that cleans an object to be cleaned 40 with a cleaning liquid W sprayed from a cleaning nozzle 14. Is configured to include a cleaning liquid supply system 10 and a compressed air supply system 20.

  In this cleaning liquid supply system 10, during the cleaning operation, the cleaning liquid W is sent from the cleaning liquid supply device 11 to the cleaning liquid supply pipe 12, and the vertical direction is passed through the branch pipe 12 a at the end that is a part of the cleaning liquid supply pipe 12. It is sent to cleaning liquid distribution pipes 13a, 13b, 13c, 13d (hereinafter collectively referred to as 13) formed in a single layer or a plurality of layers. The cleaning liquid W is ejected from a plurality of cleaning nozzles 14 disposed in these cleaning liquid distribution pipes 13 and collides with a cleaning countermeasure object 40 disposed in a place surrounded by the cleaning nozzles 14. Due to the collision of the cleaning liquid W, the cleaning object 40 is cleaned.

  The cleaning liquid supply device 11 includes a supply pump (not shown) for raising the cleaning liquid W to a pressure necessary for cleaning and sending it out, and a flow rate adjusting valve (not shown) for adjusting the flow rate of the cleaning liquid W as needed. Configured. The cleaning liquid supply device 11 can be easily configured by a known technique.

  In the compressed air supply system 20, the compressed air A is reversed from the compressed air supply device 21 to the on-off valve 22 during the cleaning operation of the cleaning nozzle 14 and the cleaning liquid distribution pipe 13 while the cleaning operation is stopped. This is supplied to the cleaning liquid supply pipe 12 via the compressed air supply pipe 24 provided with the stop valve 23, and is distributed from the branch pipe 12 a at the end of the cleaning liquid supply pipe 12 to the cleaning liquid distribution pipe 13 and these cleaning liquid distribution pipes 13. A plurality of cleaning nozzles 14 are sprayed. The compressed air A discharges the cleaning liquid W from the cleaning liquid distribution pipe 13 and the cleaning nozzle 14 and cleans the inside thereof. The compressed air supply pipe 24 may be connected to the branch pipe 12a or the cleaning liquid distribution pipe 13 which is a part of the cleaning liquid supply pipe 12 instead of the cleaning liquid supply pipe 12.

  The compressed air supply device 21 includes a compressor (compressor: not shown) or a compressed air tank (not shown) that generates the compressed air A, and supplies the compressed air A to the cleaning liquid distribution pipe 13 during a cleaning operation. The compressed air supply device 21 can be easily configured by a known technique.

  Further, the internal pressure of the cleaning liquid supply pipe 12 or the cleaning liquid distribution pipe 13 is measured, that is, the pressure sensor 31 for measuring the cleaning liquid W and the compressed air A passing through the cleaning liquid supply pipe 12 or the cleaning liquid distribution pipe 13, and the cleaning liquid distribution pipe. 13 includes one or both of the flow rate sensors 32 that measure the supply flow rate Vw of the cleaning liquid W to 13. As for the pressure sensor 31, the pressure sensor for measuring the cleaning liquid W and the pressure sensor for measuring the compressed air A may be divided and measured by two pressure sensors.

  Then, any one of the pressure Pw of the cleaning liquid W measured by the pressure sensor 31, the pressure Pa of the compressed air A measured by the pressure sensor 31, and the supply flow rate Vw of the cleaning liquid W by the flow sensor 32, or A control device 30 is provided that controls the cleaning liquid supply mechanism 11, the compressed air supply mechanism 21, and the on-off valve 22 of the cleaning system 1 by inputting two or all of them. The control device 30 supplies compressed air A from the air supply device 21 to the air supply pipe 24 while the cleaning liquid W supplied to the cleaning liquid distribution pipe 13 is stopped, and from the inside of the cleaning liquid distribution pipe 13 and the cleaning nozzle 14. Cleaning control for discharging the cleaning liquid W is performed.

  That is, the cleaning system 1 is a cleaning system that cleans the cleaning object 40 with the cleaning liquid W sprayed from the cleaning nozzle 14. In the cleaning system 1, the cleaning system 1 is connected to the cleaning liquid distribution pipe 13 provided with the cleaning nozzle 14. The cleaning liquid supply pipe 12, the cleaning water supply device 11 for supplying the cleaning liquid W to the cleaning liquid supply pipe 12, the air supply pipe 24 connected to the cleaning liquid supply pipe 12, and the compressed air A to the air supply pipe 24 When the supply of the cleaning liquid W to the cleaning liquid distribution pipe 13 is stopped together with the air supply device 21 to be supplied, the compressed air A is supplied to the air supply pipe 24 and the inside of the cleaning liquid distribution pipe 13 and the cleaning nozzle 14 The control apparatus 30 which performs the cleaning control which discharges the washing | cleaning liquid W from is provided.

  According to this configuration, the inside of the cleaning nozzle 14 and the cleaning liquid distribution pipe 13 can be cleaned with the compressed air A, and the cleaning work of the cleaning nozzle 14 and the cleaning liquid distribution pipe 13 by an operator can be made almost unnecessary. .

  Further, since this cleaning is performed for each cleaning object 40 in a series of cleaning cycles while exchanging the cleaning object 40, the control device 30 performs a series of cleaning cycles for each cleaning object 40. When the cleaning object 40 is exchanged and the cleaning operation is performed at the end of the last cleaning cycle, the cleaning operation is automatically performed at the end of the series of cleaning operations. This eliminates the need for conscious cleaning work and reduces the burden on workers.

  Further, when the pressure Pw of the cleaning liquid W detected by the pressure sensor 31 becomes larger than the preset pressure Pwc during the cleaning operation in which the control device 30 supplies the cleaning liquid W to the cleaning liquid distribution pipe 13. If the cleaning operation is performed after the cleaning cycle at that time is completed, the cleaning nozzle 14 and the cleaning liquid distribution pipe 13 may be blocked or the eyes may be closed even when the series of cleaning operations are not completed. In the case of clogging, the cleaning operation using the compressed air A can be automatically performed, and the cleaning object 40 that is not completely cleaned can be prevented from moving from the cleaning process to the next process.

  Further, during the cleaning operation in which the controller 30 supplies the cleaning liquid W to the cleaning liquid distribution pipe 13, the supply flow rate Vw of the cleaning liquid W detected by the flow sensor 32 becomes smaller than the preset set supply flow rate Vwc. In some cases, if the cleaning operation is performed after the cleaning cycle at that time is completed, the cleaning nozzle 14 and the cleaning liquid distribution pipe 13 may be blocked even if the cleaning operation is not completed. In the case of clogging, the cleaning operation with the compressed air A can be automatically performed, and the cleaning object 40 that is not completely cleaned can be prevented from moving from the cleaning process to the next process. .

  Further, during the cleaning operation in which the control device 30 supplies the compressed air A to the cleaning liquid distribution pipe 13, the pressure Pa of the compressed air A detected by the pressure sensor 31 becomes larger than the preset set air pressure Pac. In some cases, if control is performed to generate an alarm that clogging is occurring, the cleaning nozzle 14 and the cleaning liquid distribution pipe 13 may be blocked or blocked so that the cleaning operation using the compressed air A cannot be performed sufficiently. By issuing an alarm when clogging occurs, workers can be encouraged to perform manual cleaning work and maintenance inspection work, and avoid performing cleaning work in an abnormal state. Occurrence of damage to devices and sensors can be prevented.

Next, the cleaning method according to the embodiment of the present invention will be described. This cleaning method is a cleaning method for cleaning the cleaning object 40 with the cleaning liquid W ejected from the cleaning nozzle 14. In this cleaning method, the cleaning liquid W is supplied to the cleaning liquid distribution pipe 13 provided with the cleaning nozzle 14. When stopped, the compressed air A is supplied from the air supply pipe 24 to the cleaning liquid supply pipe 12 connected to the cleaning liquid supply pipe 12 or the cleaning liquid distribution pipe 13, and the inside of the cleaning nozzle 14 and the cleaning liquid distribution pipe 13. The cleaning operation for discharging the cleaning liquid W from is performed.
According to this method, the internal passages of the cleaning nozzle 14 and the cleaning liquid distribution pipe 13 can be automatically cleaned with the compressed air A, and the cleaning work of the cleaning nozzle 14 and the cleaning liquid distribution pipe 13 by an operator is unnecessary. it can.

DESCRIPTION OF SYMBOLS 1, 1X Cleaning system 10 Cleaning liquid supply system 11 Cleaning liquid supply apparatus 12 Cleaning liquid supply piping 12a Branch pipe 13, 13a, 13b, 13c, 13d Cleaning liquid distribution piping 14 Nozzle for cleaning 20 Compressed air supply system 21 Compressed air supply apparatus 22 On-off valve 23 Check valve 24 Compressed air supply piping 30 Controller 31 Pressure sensor 32 Flow rate sensor 40 Object to be cleaned A Compressed air W Cleaning fluid

Claims (6)

In a cleaning system that cleans an object to be cleaned with a cleaning liquid sprayed from a cleaning nozzle,
A cleaning liquid supply pipe connected to a cleaning liquid distribution pipe provided with a cleaning nozzle, a cleaning water supply device for supplying the cleaning liquid to the cleaning liquid supply pipe, and an air supply pipe connected to the cleaning liquid supply pipe or the cleaning liquid distribution pipe And an air supply device for supplying compressed air to the air supply pipe,
When supply of the cleaning liquid to the cleaning liquid distribution pipe is stopped, compressed air is supplied from the air supply device to the air supply pipe, and the cleaning liquid is discharged from the inside of the cleaning liquid distribution pipe and the cleaning nozzle. A cleaning system comprising a control device for performing cleaning control.   When the controller performs a series of cleaning cycles for each of the objects to be cleaned while exchanging the objects to be cleaned, control is performed to perform a cleaning operation at the end of the last cleaning cycle. The cleaning system according to claim 1.   The cleaning system includes a pressure sensor that measures an internal pressure of the cleaning liquid distribution pipe or the cleaning liquid distribution pipe, and the pressure sensor is used during a cleaning operation in which the control device supplies the cleaning liquid to the cleaning liquid distribution pipe. When the pressure of the cleaning liquid detected in step 1 becomes larger than a preset pressure, control is performed to perform a cleaning operation after completion of the cleaning cycle at that time. The cleaning system described.   The cleaning system includes a flow sensor for measuring the supply flow rate of the cleaning liquid to the cleaning liquid distribution pipe, and the control device detects the flow sensor during the cleaning operation supplying the cleaning liquid to the cleaning liquid distribution pipe. The control of performing the cleaning operation after the cleaning cycle at that time is completed when the supplied flow rate of the cleaning liquid becomes smaller than a preset set supply flow rate. The cleaning system according to any one of claims.   The cleaning system includes a pressure sensor that measures an internal pressure of the cleaning liquid supply pipe or the cleaning liquid distribution pipe, and the control device supplies the compressed air to the cleaning liquid distribution pipe during the cleaning operation. 5. The control according to claim 1, wherein control is performed to generate an alarm that clogging occurs when the pressure of the compressed air detected by the sensor becomes larger than a preset set air pressure. The cleaning system according to any one of claims.   In the cleaning method for cleaning an object to be cleaned with the cleaning liquid ejected from the cleaning nozzle, when the supply of the cleaning liquid to the cleaning liquid distribution pipe provided with the cleaning nozzle is stopped, the cleaning liquid distribution pipe or the cleaning liquid distribution pipe A cleaning method comprising: performing a cleaning operation of supplying compressed air from an air supply pipe to a cleaning liquid supply pipe connected to the nozzle and discharging the cleaning liquid from the inside of the cleaning nozzle and the cleaning liquid distribution pipe.

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