JP4931873B2 - Non-abrasive automatic cleaning device - Google Patents

Description

  The present invention relates to a non-abrasive automatic cleaning apparatus for cleaning cylindrical parts.

Various methods are used as a method for cleaning a molded part to which resin or the like is adhered. For example, a method of burning off the adhering resin by applying heat with a burner or the like, a method of removing the resin using a brush or the like, or a method of using an ultrasonic cleaner using ultrasonic waves (see Patent Document 1) ), A method of dissolving the adhering resin using a solvent, or a method of removing sand that has been heated to a high temperature.
JP 2002-326066 A

However, in the method using a burner or the like, there is a possibility of adverse effects such as deformation of the part or change in step size due to local heating on the part surface. Further, in the method using a brush or the like, there is a risk of damaging the component surface.

When an ultrasonic cleaning machine is used, it is effective for cleaning small parts, but there is a problem that the cleaning time becomes long when a large part is used. When dissolved with a solvent, depending on the nature of the solvent, there is a problem of adversely affecting the human body or the environment, and there is also a problem of disposal of the solvent itself. When using high-temperature sand, there is a problem of damaging the part surface.

Also, when cleaning long cylindrical parts, there is a problem that the cleaning device becomes large no matter what method is used, and when diverting a small cleaning device, several times There is a problem that it is necessary to separate and clean the parts, and for that purpose, the parts must be moved manually, which takes time.

Therefore, an object of the present invention is to provide a non-abrasive cleaning apparatus that can automatically clean a long cylindrical part and can clean the part without damaging the part.

The non-abrasive cleaning device of the present invention includes a cleaning machine that sprays a blasting agent on a part to be cleaned to remove dirt adhering to the part, and a cleaning machine for removing the dirt from and to the cleaning machine. The feeding device is composed of two feeding devices arranged on the left and right, and the feeding device is arranged in two rows, a plurality of rollers having variable horizontal and vertical angles, and a driving drum for rotating the rollers. A controller for controlling the roller and the drive drum, wherein the controller indicates a rotation speed of the roller and a distance for moving the component with respect to the washing machine per rotation of the roller. It is characterized by changing the speed.

Further, the controller can divide the component into a plurality of zones and change the rotation speed and the feed speed for each zone.

And with the said controller, the feed rate of the said roller is changed by changing the angle of the horizontal direction of the said roller, and a perpendicular direction.

Furthermore, it is possible to provide an ultrasonic sensor in the cleaning machine, measure the degree of contamination of the parts to be cleaned, and change the feed speed and rotation speed with the controller according to the measured values obtained. It is.

The non-abrasive cleaning device of the present invention includes a cleaning machine that sprays a blasting agent on a part to be cleaned to remove dirt adhering to the part, and a cleaning machine for removing the dirt from and to the cleaning machine. The feeding device is composed of two feeding devices arranged on the left and right, and the feeding device is arranged in two rows, a plurality of rollers having variable horizontal and vertical angles, and a driving drum for rotating the rollers. A controller for controlling the roller and the drive drum, wherein the controller indicates a rotation speed of the roller and a distance for moving the component with respect to the washing machine per rotation of the roller. By changing the speed, it becomes possible to automatically wash the cylindrical part of the long object.

Furthermore, by dividing the part into a plurality of zones by the controller and changing the rotation speed and the feed speed for each zone, it becomes possible to more effectively clean the parts.

Further, an ultrasonic sensor is provided in the cleaning machine, the degree of contamination of the parts to be cleaned is measured, and the feed speed and the rotation speed are changed by the controller according to the obtained measurement value. Thus, it is possible to shorten the cleaning time while cleaning more effectively.

  The automatic cleaning apparatus 1 of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a front view of the automatic cleaning apparatus 1 of the present invention.

As shown in FIG. 1, the automatic cleaning device 1 of the present invention includes a cleaning machine 2 for cleaning a component 20 to be cleaned, and two feeding devices 3, 4 arranged on the left and right sides of the cleaning machine 2. Consists of

The said washing machine 2 sprays the blasting agent which consists mainly of thermosetting resin on the said components 20 using a compressed air source, and wash | cleans the said components 20, The inside of the main body 5 in which the inspection window 8 was provided in the inside of the main body 5 A blast nozzle 6 for spraying the blasting agent is provided, and a dust collecting basket 7 for collecting dirt and blasting agent after cleaning is provided at the lower part of the main body 5. And the opening for taking in and out the said components 20 is provided in the right-and-left surface of the said main body 5. As shown in FIG.

As shown in FIGS. 6 and 7, the blast nozzle 6 is installed inside the main body 5 so that a pendulum movement as indicated by an arrow is possible by a holder 18. Further, up to two blast nozzles 6 can be attached to one washing machine, and when two blast nozzles 6 are attached, synchronous pendulum movement can be performed. By using such a blast nozzle 6, the cleaning effect can be enhanced. When two blast nozzles 6 are provided, a method of attaching one blast nozzle 6 to each of the two holders 18 and two blast nozzles 6 to one holder 18 as shown in FIG. Can be attached.

When two blast nozzles 6 are used, it is necessary to move each blast nozzle 6 along the contour of the part 20 to be cleaned as much as possible in order to enhance the cleaning effect. It is preferable to arrange the lines so that they intersect. The stroke and speed of movement of the blast nozzle 6 can be adjusted steplessly according to the type of the holder 18, and basically all surfaces of the component 20 to be cleaned are cleaned by setting and adjusting the parameters. can do.

As the blasting agent, a blasting agent mainly made of a thermosetting resin is used, and blasting is performed at room temperature to remove the resin and the like attached to the surface of the component 20. This is effective for cleaning not only general PVC / PE resin but also nylon resin, fluororesin, crosslinker-containing resin, burnt resin and the like.

As shown in FIG. 5, the feeding devices 3 and 4 include a plurality of rollers 9 arranged in two rows, a driving drum 10 for driving the rollers, and a roller and the driving drum for controlling the rollers. A controller (not shown).

The surface of the roller 9 is covered with rubber, and a set of two is not parallel to each other but is arranged with a certain angle in the horizontal and vertical directions, and the angle in the horizontal and vertical directions is variable. It has become.

The drive drum 10 is composed of a drive unit 11 having an electric motor and an iron drum 12 with increased surface adhesion. The drum 12 is disposed below the roller 9, and the iron drum 12 is rotated by the electric motor. Then, the rotation is transmitted and the roller 9 rotates.

The rotation of the iron drum 12 is transmitted to a plurality of rollers 9 arranged at a certain angle by the action of the weight of the component 20 placed on the roller 9. The roller 9 is a set of two, and a predetermined number is arranged according to the length of the component 20 to be cleaned. In this embodiment, 10 (2 × 5) rollers 9 are arranged in one feeding device.

As the electric motor, an electric motor having one or two rotation speeds depending on the number of electrodes is used. The rotation speed of the iron drum 12 can be changed steplessly using a frequency converter according to the required cleaning process. In the case of using an electric motor having two types of rotation speeds, the rotation speeds serving as the respective bases can be continuously changed within the variable range.

The parts 9 are put into and out of the washing machine 2 by the rollers 9. At this time, the rotation speed of the rollers 9 and 1 of the rollers 9 are controlled by the controller according to the dirt, shape, etc. of the parts 20. The feed rate, which means the distance by which the component 20 is moved relative to the washing machine 2 per rotation, is changed. Thereby, effective cleaning can be performed.

The controller divides the length of the component 20 into a plurality of zones (up to 5 zones), and can set the rotation speed and the feed speed, respectively, according to each zone. The feeding speed is changed by changing the horizontal and vertical angles of the rollers 9 of the feeding devices 3 and 4.

As shown by arrows in FIG. 5, the iron drum 12 is movable up and down. When the iron drum 12 is moved up and down, the grounding state of the iron drum 12 and the roller 9 changes, and the roller 9 The horizontal angle of changes. Then, the contact point between the roller 9 and the component 20 also changes, and the feed rate changes.

The optimum feed speed and rotational speed for cleaning can be set for each zone by the controller by operating the touch panel 13 connected to the controller and provided on the front surface of the main body 5 of the cleaner 2.

A plurality of sensors can be arranged in the non-abrasive automatic cleaning apparatus 1 so that the cleaning can be appropriately performed. An ultrasonic sensor 14 is provided inside the main body 5 of the cleaning machine 2 to measure the degree of contamination of the component 20 to be cleaned, and the feed rate is determined by the controller according to the obtained measurement value. The rotational speed is changed, and the movement of the blast nozzle 6 is also controlled.

A first sensor 15 is installed at the end of the left side feeder 3 on the washing machine 2 side, and a second sensor 16 is installed in the central part through which the component 20 inside the main body 5 of the washing machine 2 passes. And the third sensor 17 is installed at the end of the right side feeder 4 on the washing machine 2 side.

The sensors 15, 16, and 17 are for sensing the position of the component 20, and the operation of the drive drum 10 is controlled by the controller according to the position of the component 20 obtained from the sensors 15, 16, and 17. Control by. The operation of each sensor 15, 16, 17 will be described in detail later.

A method of cleaning the component 20 by the non-abrasive automatic cleaning apparatus 1 will be described with reference to the drawings. First, as shown in FIG. 1, a cylindrical part 20 is placed on the roller 9 of the feeding device 3 on the left side. At this time, it is not necessary to determine a particularly accurate position. The feeding devices 3 and 4 on which the component 20 is first placed are not particularly limited, and may be the right feeding device 4.

Then, the component 20 is divided into a plurality of zones in the longitudinal direction according to the contamination of the component 20. As an example, it is divided into 5 zones, and different cleaning programs are set according to the degree of contamination in each zone. The program is set with the controller by operating the touch panel 13. The cleaning program is a program for controlling the feed speed or rotational speed of the roller 9 and the movement of the blast nozzle 6 and the like. Each of the cleaning programs can be finely set and combined. It is also possible to store the data in a memory built in the memory and call an appropriate program according to the shape of the component 20 and the degree of contamination.

When the cleaning program is determined and the start button on the touch panel 13 is pressed, the non-abrasive automatic cleaning device 1 operates according to the cleaning program set by the controller. The driving drum 10 of the feeding device 3 is operated, the roller 9 is rotated, and the component 20 is moved from the opening on the side surface of the washing machine 2 to the inside thereof.

Until the tip of the component 20 passes through the first sensor 15 and the component 20 is sent into the washing machine 2 and the tip reaches the second sensor 16 as shown in FIG. The feed speed is sent at the maximum speed. When the tip of the component 20 reaches the second sensor 16, cleaning is started according to the cleaning program.

When the cleaning is started, the blast agent is blown while the blast nozzle 6 is moved while the component 20 is moved at an appropriate rotation speed and feed rate for each of the five zones by the cleaning program as shown in FIG. Apply and wash. When a direction change button provided on the touch panel 13 is pressed during cleaning, the component 20 can be sent in the opposite direction while the button is being pressed. Thereby, it is also possible to clean a specific place intensively.

During the cleaning, the ultrasonic sensor 14 measures the degree of contamination of the component 20 being cleaned, and adjusts the feed rate of the cleaning program in accordance with the measured value to perform more complete cleaning. It is.

As shown in FIG. 4, when the cleaning of each zone of the component 20 is completed and the rear end of the component 20 passes the third sensor 17, the component 20 is again moved by the feeder 4 to the cleaning machine 2. And is washed again in the reverse order of the outbound path. As a result, it is possible to clean a portion that could not be cleaned in the outward path. Then, when the re-cleaning is finished and the tip of the component 20 passes through the first sensor, the cleaning of the component 20 is finished.

The blasting agent after cleaning and the dust such as resin adhering to the component 20 are collected in the dust collecting basket 7, the blasting agent and the dust are separated by a filter, and the blasting agent is recovered and then collected. Used for cleaning, dust is treated.

As described above, the non-abrasive automatic cleaning device 1 of the present invention can automatically clean the cylindrical part 20 to every corner without damaging the part 20.

It is a front view of the non-abrasive automatic cleaning apparatus of the present invention. It is a front view of the non-abrasive automatic cleaning apparatus which is moving parts. It is a front view of the non-abrasive automatic cleaning apparatus which is cleaning parts. It is a front view of the non-abrasive automatic cleaning apparatus which is moving parts. It is a side view of a drive drum. It is a front view of a blast nozzle. It is a top view of a blast nozzle.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Non-abrasive automatic washing apparatus 2 Washing machines 3 and 4 Feeder 5 Main body 6 Blast nozzle 7 Dust collection basket 8 Peep window 9 Roller 10 Driving drum 11 Driving section 12 Iron drum 13 Touch panel 14 Ultrasonic sensor 15 First sensor 16 Second sensor 17 Third sensor 18 Holder 20 Parts

Claims (4)

A cleaning machine that sprays blasting agent on parts to be cleaned to remove dirt adhered to the parts, and two feeding devices arranged on the left and right sides of the cleaning machine in order to put the parts in and out of the cleaning machine Consisting of
The feed device, the extending direction of the component, and a plurality of rollers arranged in two rows, so as to be in contact with the roller Te below the rollers, and the axis is parallel with the extending direction of the component A driving drum arranged to be, a roller and a controller for controlling the driving drum,
The vertical and horizontal angles of the roller can be changed by moving the drum up and down, and the axis of the roller is not vertical but parallel to the axis of the drive drum in the horizontal and vertical directions. And arranged so as to have a predetermined angle, and the axial centers of the opposed rollers are arranged such that the vertical directions are angles such that the inclination directions with respect to the axial centers of the rollers are opposite to each other, When the drive drum rotates, the rotation of the drive drum is transmitted to the roller, the roller rotates, and the components placed on two rows of rollers are moved in the extending direction,
The non-abrasive automatic cleaning apparatus, wherein the controller changes a rotation speed of the roller and a feed speed indicating a distance for moving the component with respect to the cleaning machine per one rotation of the roller. 2. The non-abrasive automatic cleaning apparatus according to claim 1 , wherein the controller divides the component into a plurality of zones, and changes the rotation speed and the feed speed for each zone. In the controller, by changing the angle of the horizontal and vertical axis of the roller, by the contact of the drum and the roller are changed, according to claim 1, characterized in that a change in the feed rate is performed Or the non-abrasive automatic cleaning apparatus according to 2. An ultrasonic sensor is provided in the cleaning machine, the degree of contamination of the parts to be cleaned is measured, and the feed speed and the rotation speed are changed by the controller according to the obtained measurement value. The non-polishing automatic cleaning apparatus according to any one of claims 1 to 3 .