JP6951720B1 - Cord cleaning device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a cord cleaning device capable of easily applying even a flexible power cord and surely cleaning the surface thereof. SOLUTION: A rotating body is brought into contact with a feeding means 1 for feeding a cord 6 in the front-rear direction and a surface of the cord 6 fed by the feeding means 1, and the contact with the rotating body removes deposits on the surface of the cord. It is a cord cleaning device equipped with means, and cleaning rollers 8 and 9 are arranged on one side of the cord 6 to be sent and on the opposite side to remove deposits from both sides of the cord 6. [Selection diagram] Fig. 1

Description

The present invention relates to a cord cleaning device, and more particularly to a cord cleaning device that makes it easily applicable even to a flexible power cord and cleans the surface thereof reliably.

In general, some power cord reels used at civil engineering construction sites and outdoor work / business are rented, and even if they are in a clean state when rented, they are returned in a dirty state due to dust and deposits when they are returned. Sometimes.
At civil engineering construction sites, there are many cases where concrete or mortar adheres with the shavings, paints, sealants, sealants, iron powder, etc. adhere in a dry state. There was a problem that a great deal of labor was required for the cleaning work.
In this cleaning work, it is necessary to wipe off the concrete, mortar, paint, etc. adhering to the cord many times with a polishing sheet, cloth, etc., and if it is heavily soiled, sprinkle a release agent on it and scrape it with a scraper or the like. Also, careful work is required so as not to damage the cord.

Some release agents are harmful substances belonging to the fourth category of dangerous substances, and are accompanied by dangers such as effects on the human body and flammability.
In addition, it takes 30 to 40 minutes to clean one power cord reel, and it may take one hour or more if it is heavily soiled.
In addition, the work is done on the middle waist, which puts a heavy burden on the human body.
Under such circumstances, the technique of Patent Document 1 is known as a technique relating to a wire rope cleaning device.

Japanese Patent Application Laid-Open No. 10-230233

Patent Document 1 describes a technique for removing deposits by using a scraper while the device moves on a wire rope.
Since the technique of Patent Document 1 has a configuration in which the cleaning device moves on the wire rope, there is no description of a mechanism for feeding the cord in a certain direction.
In addition, since it is a technique for cleaning tough wires using a scraper, there is a problem that it cannot be applied to a flexible power cord.
The present invention has been made to solve such a conventional problem, and an object of the present invention is a cord that can be easily applied even to a flexible power supply cord and surely cleans the surface thereof. Is to provide a cleaning device.

As a means for achieving the above object, in the cord cleaning device according to claim 1, the cord is soaked in water, soapy water or a chemical in advance, or coated with the cord so as to easily remove stains on the surface of the cord ( A U-shaped groove (1) that feeds 6) from the introduction side to the discharge side and a U-shaped groove (1) formed in a roll shape by a non-woven abrasive material, and the lower surface side or the upper surface side of the cord (6) bites into the outer peripheral surface thereof. The pair of cleaning rollers (8) and (9) on which 12) is formed are provided with cleaning means (2) provided above and below the cord (6) fed by the feeding means (1). (8) and (9) are configured to rotate in a direction opposite to the feeding direction of the cord (6), and the cord so that the lower surface side or the upper surface side of the cord fits into the groove (12). It is characterized in that it is arranged at intervals in the feed direction.

In the cord cleaning device according to claim 2, in the cord cleaning device according to claim 1 , the rotating shafts of the pair of cleaning rollers (8) and (9) are connected to each other by gears (8b) and (9b). , It was configured to rotate in the reverse direction in synchronization.

In the cord cleaning device according to claim 3, in the cord cleaning device according to claim 1, the pair of cleaning rollers (8) and (9) are connected by a chain (21) and a sprocket (22) and are synchronized with each other. It was configured to rotate in the reverse direction.

In the code cleaning device according to claim 4, when the code (6) sent by the feeding means (1) reaches the final end in the code cleaning device according to claim 1, 2 or 3, the final end is reached. A limit switch (19) for detecting the movement of the cord (6) and stopping the operation is provided.

In the cord cleaning device according to claim 1, the cord (6) that has been soaked in water, soapy water, or a chemical in advance, or coated with these, is discharged from the introduction side so that dirt on the surface of the cord can be easily removed. A pair of feeding means (1) for feeding to the side and a pair of U-shaped grooves (12) formed in a roll shape by a non-woven abrasive material and in which the lower surface side or the upper surface side of the cord (6) bites into the outer peripheral surface thereof. The pair of cleaning rollers (8) and (9) are provided with cleaning means (2) provided above and below the cord (6) sent by the feeding means (1) with the cleaning rollers (8) and (9). , The cord (6) is configured to rotate in a direction opposite to the feeding direction, and is arranged at intervals in the feeding direction of the cord so that the lower surface side or the upper surface side of the cord is inserted into the groove (12). A pair of cleaning rollers having a U-shaped groove in which the lower surface side or the upper surface side of the cord is embedded in the outer peripheral surface of the cord, which has been pretreated in advance so as to facilitate the removal of dirt on the cord surface. By passing through the gap, the deposits on the surface of the cord can be scraped off automatically and surely, and even a flexible cord such as a power cord can be cleaned without damaging it. ..

In the cord cleaning device according to claim 2, the rotating shafts of the pair of cleaning rollers are connected to each other by gears and are configured to rotate in the reverse direction in synchronization with each other. Rotates in the same direction to clean the cord.

In the cord cleaning device according to claim 3, since the pair of cleaning rollers are connected by a chain and a sprocket and are configured to rotate in the reverse direction in synchronization with each other, the rollers are the same from both sides of the cord sent in a certain direction. Rotate in the direction of to remove dirt from the cord.

The cord cleaning device according to claim 4 is provided with a limit switch that detects the movement of the cord at the final end and stops the operation when the cord sent by the feeder reaches the final end. , Cleaning work is stopped automatically.

It is a schematic perspective view of the cord cleaning device. It is explanatory drawing of a cleaning roller. It is a schematic front view of the cord cleaning device. It is a schematic plan view of the cord cleaning device. It is a schematic side view of the cord cleaning device. It is explanatory drawing of the drive mechanism using a chain and a sprocket.

As shown in FIGS. 1 to 5, the cord cleaning device A of the present invention has a feeding means 1 for feeding the cord in a certain direction (from the introduction side to the discharging side) and a front portion on the surface of the cord fed by the feeding means 1. A cleaning means 2 is provided in which the cleaning roller 8 and the rear cleaning roller 9 are brought into contact with each other and the deposits on the surface of the cord are removed by the contact with the cleaning rollers 8 and 9, and the main body of the apparatus is supported by the gantry 3 and the main body of the main body is provided. The outside is surrounded by a frame 4, and an operation panel 5 having various operation buttons is provided above the main body.
The cord 6 applied to the present invention is a power cord generally used by winding it around a cord reel, but it can also be applied to a wire, a rope or other string-like body.

The cleaning means 2 is provided on a guide roller 7 arranged at the introduction portion of the cord 6, a front cleaning roller 8 for cleaning the lower surface side of the cord introduced via the guide roller 7, and the cleaning roller 8. It includes a tension roller 10 for pressing the cord, a rear cleaning roller 9 provided behind the front cleaning roller 8 for cleaning the upper surface side of the cord, and a motor 11 for driving the cleaning rollers 8 and 9. ..
The rotating shafts 8a and 9a of the front cleaning roller 8 and the rear cleaning roller 9 extend horizontally in parallel in the apparatus, and the two rotating shafts are meshed with each other by gears 8b and 9b (FIG. 4). reference).
The driving force of the motor 11 is transmitted to the rotating shaft 8a of the front cleaning roller 8 via the belt, and by driving the rotating shaft 8a, the parallel rotating shafts 9a are also driven via the gears 8b and 9b, 2 The cleaning rollers 8 and 9 are configured to rotate in reverse in synchronization with each other.
Since the two cleaning rollers 8 and 9 rotate in opposite directions in synchronization with each other, both cleaning rollers 8 and 9 rotate in the opposite direction with respect to the feeding direction of the cord 6 while the transferred cord 6 is pressed from above and below and sandwiched. Rotate in the direction of opposition.

The cleaning rollers 8 and 9 are disk-shaped bodies having a predetermined thickness obtained by processing a non-woven fabric abrasive into a roll shape, and a U-shaped groove 12 is formed on the outer peripheral surface of the disk (see FIG. 2). ..
The U-shaped groove 12 is formed by recessing the central portion according to the cord diameter while leaving both edges of the outer peripheral surface of the disk, and the cord 6 is fitted into the U-shaped recessed portion to form the cord 6. The outer circumference of the surface comes into contact with the cleaning roller, and dirt on the entire surface is removed.
In this embodiment, the cleaning rollers 8 and 9 are arranged on the upper surface side and the lower surface side of the cord, so that they clean the entire cord from the upper surface side and the lower surface side. Further, in this embodiment, a U-shaped groove is formed from a position (h) 1.5 to 2 mm deeper than the upper end with a diameter smaller than the cord diameter by about 2 mm.
The material of the cleaning roller and the shape of the groove are appropriately set according to the applicable code.

The feeding means 1 is a device that pulls the cord 6 in a certain direction (from the introduction side to the discharge side).
The feeding means 1 is an idler pulley 15 that presses the cord 6 between the guide roller 13 that guides the cord that has passed through the cleaning means, the pulling wheel 14 that receives the cord 6 from the guide roller 13, and the pulling wheel 14. A drive pulley 16 for driving the idler pulley 15 via a belt, a gear motor 17 for rotating the drive pulley 16, and an air cylinder 18 for pressing the idler pulley 15 against a pulling wheel 14 are provided.
The cord 6 guided by the guide roller 13 is introduced onto the pulling wheel 14, and is pressed onto the pulling wheel 14 by the idler pulley 15.
The idler pulley 15 is pressed onto the pulling wheel 14 by the piston extension of the air cylinder 18. Then, the idler pulley 15 rotates by transmitting the rotation of the drive pulley 16 driven by the motor 17 to the belt. Therefore, the cord 6 sandwiched between the pulling wheel 14 and the idler pulley 15 is fed backward according to their rotation.

A limit switch 19 is provided on the cord introduction side of the cord cleaning device A.
The limit switch 19 has a locking portion of the outlet plug 20 at the final end of the power cord, and the cord is sequentially fed by the feeding means 1 by locking the plug 20 at the final end of the cord to the locking portion. When reaches the final end, the movement of the cord 6 at the final end is detected, and the cord is fed by the further feeding means and the operation of the device is stopped.

Next, a method of using the cord cleaning device A of the present invention will be described.
The dirty power cord 6 to be processed is hung between the guide roller 7 and the cleaning rollers 8 and 9, and the other end is hung from the guide roller 13 between the pulling wheel 14 and the idler pulley 15. 6 is attached.
By pressing the operation button on the operation panel 5, the piston of the air cylinder 18 extends and presses the idler pulley 15 against the pulling wheel 14. Since the idler pulley 15 rotates by conducting the driving force from the drive pulley 16 driven by the motor 17 via the belt, the cord 6 is pulled and the cord 6 is sent in the front-rear direction (discharge side).
At the same time, the motor 11 of the cleaning means 2 is driven to rotate the cleaning rollers 8 and 9, and the upper surface side and the lower surface side of the cord 6 are cleaned by friction.
Since the two cleaning rollers 8 and 9 rotate in reverse in synchronization with each other, the entire cord is cleaned with the cord 6 to be transferred sandwiched between the top and bottom.
Further, both cleaning rollers 8 and 9 rotate in a direction opposite to the feeding direction of the cord 6, and the cleaning rollers 8 and 9 are formed with a U-shaped groove 12 matching the cord diameter. Efficiently removes deposits (dirt) on the entire surface of the cord 6.

When the cord cleaning device A progresses to clean the cord and the cord to be pulled in reaches the final part, the outlet plug 20 at the final end of the cord moves in the direction in which the cord is pulled in, activates the limit switch, and stops the operation of the device. do.
After the operation of the device is stopped, the cord 6 is removed and accommodated in the cord reel.
When cleaning the cord, the dirty cord is immersed in water to make the deposits soaked, and the cord is lifted from the water and passed through the cleaning rollers 8 and 9. In addition, if necessary, depending on the type of dirt on the cord, the situation, etc., it is immersed in soapy water, chemicals, etc., or coated with them, and treatment is performed in advance so that the dirt on the surface of the cord can be easily removed.

Although the examples of the present invention have been described above, the specific configuration of the present invention is not limited to the present examples, and even if there is a design change or the like within a range that does not deviate from the gist of the invention, it is included in the present invention. Is done.
For example, in the above embodiment, the motors 11 and 17 are set for the cleaning means and the feeding means, respectively, but it is also possible to have a configuration in which both the cleaning means and the feeding means are driven by one motor.
Further, as for the method of rotating the cleaning rollers 8 and 9, as shown in FIG. 6, it is also possible to adopt a drive mechanism by the gear motor 23 using the chain 21 and the sprocket 22.

A Cord cleaning device 1 Feeding means 2 Cleaning means 3 Stand 4 Frame 5 Operation panel 6 Cord 7 Guide roller 8 Cleaning roller 9 Cleaning roller 10 Tension roller 11 Motor 12 Groove 13 Guide roller 14 Pulling wheel 15 Idler pulley 16 Drive pulley 17 Gear motor 18 Air cylinder 19 Limit switch 20 Plug 21 Chain 22 Sprocket 23 Gear motor

Claims (4)

A feeding means (1) for sending the cord (6), which has been soaked in water, soapy water, or a chemical in advance, or coated with these, from the introduction side to the discharge side so that the dirt on the surface of the cord can be easily removed.
A pair of cleaning rollers (8) and (9) formed in a roll shape with a non-woven abrasive material and having a U-shaped groove (12) formed on the outer peripheral surface of the cord (6) into which the lower surface side or the upper surface side of the cord (6) bites. It is provided with cleaning means (2) provided above and below the cord (6) sent by the feeding means (1).
The pair of cleaning rollers (8) and (9) are configured to rotate in a direction opposite to the feeding direction of the cord (6), and the lower surface side or the upper surface side of the cord is less likely to have the groove (12). A cord cleaning device characterized in that it is arranged at intervals in the feeding direction of the cord so as to be inserted. The code according to claim 1, wherein the rotating shafts of the pair of cleaning rollers (8) and (9) are connected to each other by gears (8b) and (9b) and are configured to rotate in reverse in synchronization with each other. Cleaning device. The cord cleaning device according to claim 1, wherein the pair of cleaning rollers (8) and (9) are connected by a chain (21) and a sprocket (22), and are configured to rotate in the reverse direction in synchronization with each other. When the cord (6) sent by the feeding means (1) reaches the final end, a limit switch (19) is provided to detect the movement of the cord (6) at the final end and stop the operation. The cord cleaning device according to claim 1, 2 or 3.

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