JPH0610505A - Scraping device for small-sized components - Google Patents

Abstract

PURPOSE:To make it possible to carry out scraping which remove deposits on small components in a efficient and energy saving manner. CONSTITUTION:A drum 3, which is supported horizontally and freely rotatively, provides an inlet/outlet 8 made of a cover material 19 which is designed to open freely. A blade 9 is installed to an inner peripheral surface of the drum 3 in order to scrape up small-sized components. At the same time, a water spray pipe 12 is installed inside the drum 3. This construction makes it possible to eliminate a large number of small components deposited on the drum in an efficient energy saving fashion by inter-collision of the small components produced by scraping up and dropping and the swelling of the small components by spray water.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cleaning device for removing deposits of various small parts, for example, metal parts such as steel pipe clamps which are construction materials.

[0002]

2. Description of the Related Art Steel pipe clamps used for assembling scaffolds, etc. at a construction site require adhesion of concrete or paint, and therefore need to be removed for reuse after recovery. is there.

Conventionally, the worker who removes the deposits on the steel pipe clamp manually removes the deposits one by one.

[0004]

However, there is a problem in that the work efficiency of manual cleaning is extremely poor, the processing cost is high, and the work is heavy labor.

Therefore, the present invention provides a small-part keren device capable of simultaneously and automatically performing a large number of small-part kerens, which saves labor for the keren work, improves efficiency, and reduces processing costs. That is the issue.

[0006]

In order to solve the above-mentioned problems, the first aspect of the present invention fixes a drum arranged so as to rotate about an axis to a supply / discharge port for small parts and an inner peripheral wall. The blade is provided, and the rotation of the drum is changed in the opposite direction to the rotation of the drum, so that small components are discharged.

In the second aspect of the invention, a drum arranged to rotate about an axis is provided with a supply / discharge port for small parts and blades fixed to an inner peripheral wall, and the small parts are provided inside or outside the drum. It adopts a configuration in which a means for watering is provided.

[0008]

[Action]

1st invention When small parts are put into the drum from the supply / discharge port and the drum is rotated in the direction of the keren, the scraps of the small parts are repeatedly picked up and dropped by the blades, so that the small parts collide with each other and adhere to each other. Is automatically peeled and removed, and small parts can be discharged by reversing the drum.

Second aspect of the invention If the small parts are put into the drum from the supply / discharge port, the drum is rotated in the direction of the kettle, and water is attached to the small parts by the watering means, the adhered parts of the small parts are removed. The swelling due to water improves the peelability, and the deposits are automatically peeled and removed by collision between small parts due to repeated scraping and dropping with a blade.

[0010]

Embodiments of the present invention will be described below with reference to the accompanying drawings.

The first embodiment shown in FIGS. 1 to 4 is of a water sprinkling type in which a drum peripheral wall is provided with an openable and closable supply / discharge port. A drum 3 is supported on the upper part of the drum so as to be rotatable about a horizontal axis, and a forward-downward tilting table 4 is installed immediately below the drum 3 between the two supporting tables 1 and 2, and a front end of the tilting table 4 is provided. Water collection tank 5 at the bottom
Is provided.

In the drum 3, both ends of the porous cylindrical body 6 are closed by disk-shaped end plates 7 and 7, and a part of the cylindrical body 6 is provided with a supply / discharge port 8 having a predetermined opening width in the entire axial direction. A plurality of blades 9 are provided on the inner peripheral surface of the cylindrical barrel 6 so as to extend over the entire length in the axial direction.

The support bases 1 and 2 on both sides are bearings, respectively, and a shaft 10
And 11 are supported in a coaxially arranged manner so as to be rotatable,
The ends of both shafts 10 and 11 are connected by a porous water sprinkling pipe 12 serving as a watering means, and the drum 3 is fixed in a penetrating state to the shafts 10 and 11 at the central portions of both end plates 7 and 7. Therefore, the sprinkler pipe 12 is housed inside the drum 3 in an arrangement along the axis.

The shaft 10 located on the right side of FIG. 1 is interlocked with a motor 13 fixed to the support 1, and the motor 13 can rotate the drum 3 in either forward or reverse directions.

A shaft 11 located on the left side of FIG. 1 has a water passage 14 penetrating along the axis, and the outer end of the water passage 14 has a discharge port of a pump 15 and a hose which are submerged in a water collecting tank 5. 16
And a rotary joint 17, and the nozzle 1 that projects into the sprinkling pipe 12 at the inner end of the water passage 14.
8 is provided, and when the pump 15 is started, the water in the water collecting tank 5 is sucked up and sprinkled from the water sprinkling pipe 12 into the drum 3.

On the inner peripheral surface of the cylindrical body 6 of the drum 3, long blades 9a, 9b, 9c project axially along the axial direction at three positions divided into four equal parts in the circumferential direction. And the supply / discharge port 8 is fixed to the blades 9a, 9 as shown in FIG.
It is formed at a position near the blade 9a between c and in the range of approximately 90 ° in the circumferential direction.

The lid member 19 for opening and closing the supply / discharge port 8 is
A blade having a width and a length for closing the supply / discharge port 8 from the inside of the drum 3, an outer surface having an arcuate cross-section that matches the inner peripheral surface of the cylindrical body 6, and a blade protruding inward at a side edge facing the blade 9c. 20
Is fixed, and the circular plates 21 and 21 fixed to both ends are the shaft 1
It is supported by 0 and 11 via metals 22 and 22 so as to be freely rotatable. Therefore, the lid member 19 is the drum 3
With respect to the blades 9a and 9c, the blades 9a and 9c are rotatable, and the supply / discharge port 8 is in a state in which one side edge is in contact with the blade 9a as shown in FIG.
When the drum 3 is rotated in the direction of the arrow in the figure with the supply / discharge port 8 facing downward and closed by the lid member 19 as shown in the figure, the lid member 19 tends to remain in the downward hanging state. Therefore, only the drum 3 rotates, and the supply / discharge port 8 has the lid member 1.
It will be released from 9 and open.

A rubber lining 23 is provided on the inner peripheral surface of the cylindrical body 6 and the inner surface of the lid member 19 of the drum 3 so as not to impair their porosity, and the drum 3 is placed on the water collecting tank 5. A support bar 25 of a pallet 24 for receiving small parts discharged from the inside onto the inclined table 4 and sliding down is provided side by side.

In the illustrated case, the lid member 19 is attached to the drum 3 fixed to the shafts 10 and 11 so as to be freely rotatable within a certain range, and the supply / discharge port 8 is opened / closed. The lid member 19 is fixed to the shafts 10 and 11, the drum 3 is freely attached, and the drum 3 is attached via the lid member 19.
May be given a rotation, and when this is done,
When the cover member 19 rotates clockwise in FIG. 4, the drum 3 rotates in the same direction as the cover member 19 abuts on the blade 9a and the supply / discharge port 8 is closed. This is Keren rotation.

Further, when the cover member 19 rotates counterclockwise in FIG. 4, the supply / discharge port 8 opens, the cover member 19 contacts the blade 9c, and the drum 3 rotates. It is possible to supply and discharge small parts to the inside of 3.

The first embodiment is constructed as described above,
With the supply / discharge port 8 of the drum 3 positioned at the upper position and opened, a predetermined amount of small parts are loaded into the drum 3 using a belt conveyor or a forklift, and the motor 13 is activated to move the drum 3 to the position shown in FIG. While rotating in the counterclockwise direction, the pump 15 is started to suck up the water in the water collecting tank 5 and spray the water into the drum 3 from the water spray pipe 12.

The drum 3 is rotated counterclockwise in FIG. 4, which is the keeling direction, so that the supply / discharge port 8 is closed by the lid member 19.
While a, 9b, 9c, and 20 are picking up small parts, they are dropped at the upper lifting position, and this is repeated.

The deposits on the small parts are swollen by water sprinkling to improve the peeling property, and at the same time, they are peeled off from the surface of the small parts by the impact caused by the collision of the small parts.

After the completion of the cleaning by rotating the drum 3 in the cleaning direction for a predetermined time, the motor 13 and the pump 1
When 5 is stopped and the drum 3 is gradually rotated counterclockwise in FIG. 4 with the supply / discharge port 8 located at the upper part, only the drum 3 rotates with the stop of the lid member 19, and the supply / discharge port 8 is rotated. 8
When the supply / discharge port 8 is stopped at a position facing downward in this state, the small parts that have been scraped off are dropped from the supply / discharge port 8 and discharged onto the sloping table 4 immediately below. The small parts that have slid on the table 4 are supported on the pallet 24.

In order to stably hold the open / closed position of the lid member 19 for opening / closing the supply / discharge port 8 of the drum 3, as shown in FIG. 4, the end plates 7, 7 of the drum 3 and the circular plate of the lid member 19 are held. 21 and 21 are provided with pin holes 26 that communicate with each other in the closed position and the open position, and the pin holes 26 that communicate the closed position and the open position of the lid member 19 are held by pins that are detachably inserted from the outside. You may do it.

Next, a second embodiment shown in FIGS. 5 to 7 will be described. In the second embodiment, the watering means is a water sprinkling type and the small parts are automatically discharged by reversing the drum. The same parts as those in the first embodiment will be described using the same reference numerals.

As shown in the figure, in the drum 3 arranged on the water collecting tank 5, one end of the porous cylindrical body 6 is opened to serve as a supply / discharge port 8 for small parts, and the other end has a shaft center as a support base. It is fixedly supported by a shaft 32 on 31 and the middle of the cylindrical barrel 6 is a water collecting tank 5.
The motor 13 is supported by a pair of support rollers 33 provided above, and is rotated about a horizontal axis center by driving the motor 13 which is interlocked with the shaft 32.

A water passage 34 penetrating the shaft 32 along the axis is provided, and a pump 35 for sucking water in the water collecting tank 5 is connected to an outer end of the water passage 34 via a hose and a rotary joint. A nozzle 36 for spraying water toward the inside of the drum 3 is attached to the inner end.

On the inner peripheral surface of the cylindrical body 6 of the drum 3,
At a plurality of positions in the circumferential direction, blades 37 having a length over the entire length of the cylindrical barrel 6 in the axial direction and projecting toward the axial center are fixed.

The blades 37 are fixed to the axis of the cylindrical body 6 in a slanting manner, feed the small parts toward the closed end side when the drum 3 rotates in one direction, and feed the small parts when rotating in the opposite direction. Has a function of sending out toward the supply / discharge port 8.

At the upper outside of the supply / discharge port 8 of the drum 3, a small component supply conveyor 38 and the conveyor 3 are provided.
A chute 39 for guiding the small parts discharged from the drum 8 into the drum 3 is arranged, and a chute for accommodating the small parts discharged from the drum 3 in a container 40 at a position on the lower outside of the supply / discharge port 8. 41 are arranged.

The second embodiment is constructed as described above, and the motor 13 is started in the state where small parts are put in the drum 3 by the conveyor 38 and the chute 39, and the drum 3 is rotated in the forward direction in the keeling direction. Then, the small parts move to the inside of the drum 3 by the raising and feeding action of the blades 37, and at the same time, the water in the water collecting tank 5 is moved to the nozzle 3 by the activation of the pump 35.
Water is sprayed from 6 into the drum 3, and the deposits are removed from the small parts as in the first embodiment described above.

When the drum 3 is rotated in the opposite direction after the completion of the cleaning, the small blade parts are sent out toward the supply / discharge port 8 by the feeding action of the blades 37 and taken out into the container 40 by the chute 41.

Next, the third embodiment shown in FIGS. 8 and 9 is
The watering means is of a water immersion type and discharges small parts by reversing the drum. The same parts as those in the first and second embodiments described above are designated by the same reference numerals and will not be described.

As shown in the figure, the drum 3 arranged on the water collecting tank 5 is formed by connecting a truncated cone-shaped cylinder 52 to the rear end of the cylindrical cylinder 51, and the tip opening of the cylindrical cylinder 51 is the supply / discharge port 8 for small parts. The shaft 53 fixed to the center of the rear end face of the truncated cone body 52 is rotatably supported by the bearing of the support base 54, and the cylindrical body 5
The lower part of 1 is supported by a pair of receiving rollers 55,
Is inclined so that it is directed obliquely upward.

In the drum 3, the frustoconical cylinder 52 and the cylindrical cylinder 51 are formed of a porous plate, and the lower portion of the drum 3 is soaked in the water in the water collecting tank 5 as shown in FIG. Forward / reverse rotation is applied by the motor 13.

On the inner peripheral surface of the drum 3, screw blades 56 are fixed near the feed / discharge port 8 of the cylindrical body 51, and a large number of screw blades 56 are provided from the middle of the cylindrical body 51 to the inner end of the truncated cone body 52. The blades 57 are fixed at an angle in the circumferential direction.

The screw blades 56 smoothly feed and discharge the small parts into and out of the drum 3 by the forward and reverse rotations of the drum 3, and a large number of blades 57 group raise the small parts and feed them in the axial direction. Play a role.

The third embodiment is constructed as described above,
When the motor 13 normally rotates the drum 3 in which small parts are put in by the conveyor 38 and the chute 39, the small parts move inside the drum 3 by the screw blades 56 and a large number of blades 57, and the blades 57 lift and drop. Repeated.

Since the lower part of the drum 3 is rotated while being immersed in the water in the water collecting tank 5, the adhering matter of the small parts swells due to the adhering water and is effectively peeled and removed.

When the drum 3 is reversed after the cleaning, the small parts are sent out to the supply / discharge port 8 by the blade 57 and the screw blade 56, and taken out to the outside by the chute 41.

[0042]

【The invention's effect】

First invention As described above, according to the present invention, the blades provided on the inner circumference of the drum cause mutual collision of the small parts and the reverse rotation of the drum causes the small parts to be ejected. It is possible to perform a large number of cleaning operations for removing kimono simultaneously and automatically and efficiently.

Second invention: The blades provided on the inner circumference of the drum cause mutual collision of the small parts, and water is provided to the small parts by the watering means, so that the deposits on the small parts are removed. A large number of operations can be performed simultaneously and automatically, and at the same time, by swelling the deposits with water and improving the peelability, it is possible to improve the efficiency and labor saving of the keren treatment for small parts. It is possible to reduce the processing cost.

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of a first embodiment showing a keren device of the present invention.

FIG. 2 is a plan view of the above.

FIG. 3 is a side view of the above.

FIG. 4 is a vertical sectional side view of the drum.

FIG. 5 is a partially longitudinal front view showing a second embodiment.

FIG. 6 is a plan view of the above.

FIG. 7 is a vertical sectional side view of the above.

FIG. 8 is a vertical sectional front view showing a third embodiment.

FIG. 9 is a plan view of the above.

[Explanation of symbols]

 3 Drum 5 Water Collection Tank 6 Cylindrical Body 8 Supply / Discharge Port 9 Blade 12 Sprinkling Pipe 13 Motor 19 Lid Member

Claims (2)

[Claims] 1. A drum arranged so as to rotate about an axis is provided with a supply / discharge port for small parts and a blade fixed to an inner peripheral wall, and the rotation of the drum is changed in the opposite direction to the rotation of a small part. A small device for cleaning small parts. 2. A drum arranged so as to rotate about an axis, provided with a supply / discharge port for small parts and a blade fixed to an inner peripheral wall, and means for watering small parts inside or outside the drum. Equipment for small parts equipped with.