JPH10118583A - Cleaning device for planar matter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To secure uniformity and rapidity of cleaning by providing a cleaning only apparatus suitable for automatically cleaning a glass plate. SOLUTION: The cleaning apparatus is provided with a transportation conveyor 21 which transports the glass plate 1 having a surface to be cleaned in a standing and holding state in a cleaning room 19, a cleaning room 19 inside of which is set in a state of reduced pressure and a cleaning nozzle 29 which is arranged freely movably up and down at a position near the glass plate 1 which is transported by the transportation conveyor 21 and is in a standing state in the cleaning room 19 and which sprays high pressurized water toward the surface to be cleaned of the glass plate 1. Whole surface to be cleaned of the glass plate 1 is cleaned by vertical motion of the flush nozzle 29 and a horizontal displacement of the glass plate 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for cleaning plate-like objects, and more particularly to a cleaning apparatus for removing dirt adhering to the back surface of a glass sheet in the production of sheet glass products.

[0002]

2. Description of the Related Art For example, in the production of a glass panel product for building materials (hereinafter simply referred to as a glass plate) used for an outer wall of a building, a mold release material adheres to the back surface of the glass plate during the forming process, and is contaminated. It is necessary to clean the back of the glass plate.
Conventionally, there is no dedicated machine suitable for automatically cleaning the glass plate, and the cleaning of the glass plate is manually performed at present.

[0003]

However, in order to uniformly wash the entire surface of the glass plate, a large space is required, and furthermore, there is a drawback that washing wastewater scatters around and significantly impairs the working environment. Further, the skill of the operator is required, and the cleaning state varies. Immediately after the start of the cleaning operation, even if the glass plate can be satisfactorily cleaned, it may be difficult to clean the glass plate satisfactorily due to the fatigue of the operator over time. As described above, if the cleaning of the glass plate is manually performed, it is very difficult to perform the cleaning of the glass plate uniformly and quickly in a short time.

Accordingly, the present invention has been proposed in view of the above problems, and an object of the present invention is to provide a dedicated machine suitable for automatically cleaning a glass plate, and to provide uniformity and uniformity of cleaning. The goal is to ensure speed.

[0005]

SUMMARY OF THE INVENTION As a technical means for achieving the above object, the present invention relates to a transport conveyor for transporting a plate-like object having a surface to be cleaned in an upright state and a negative pressure inside the conveyor. A cleaning chamber set in a state and a vertically movable plate located in the vicinity of an upright plate-like object transferred to the cleaning chamber by the conveyor, and high-pressure water is directed toward a surface to be cleaned of the plate-like object. A cleaning nozzle that sprays the cleaning liquid, and the entire surface of the plate-like object to be cleaned is cleaned by vertical movement of the cleaning nozzle and horizontal movement of the plate-like material.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described below with reference to FIGS.

The cleaning apparatus according to the embodiment shown in FIGS. 1 and 2 is roughly divided into a loader 2 for loading a glass plate 1 which is a plate-like material supplied from a previous process, and a loader 2 from the loader 2. A washing unit 3 for washing one side of the glass plate 1,
It comprises an unloader section 4 for supplying the washed glass plate 1 carried out from the washing section 3 to a subsequent process.

As shown in FIGS. 1 to 3, the loader unit 2 includes a conveyor 5 such as a chain conveyor for transferring the glass plate 1 to the washing unit 3 with the glass plate 1 standing upright. It consists of a number of support rollers 6 which receive the glass plate 1 in an upright state from the side.

The conveyor 5 is disposed so as to extend toward the washing section 3 and is rotated by a drive motor 8. Attachments 9 on which the glass plates 1 are mounted are attached to the conveyor 5 at predetermined intervals. As shown in FIG. 5A, the attachment 9 has a pointed projection 1 for supporting the lower end surface of the glass plate 1 at the center in the width direction.
It is composed of a plate-shaped metal fitting 11 provided with 0. By making the attachment 9 detachable, it becomes easy to replace the attachment 9 due to wear or the like.

The support roller 6 is rotatably supported in a predetermined vertical and horizontal arrangement relationship on a lattice-shaped frame body 12 erected along the transfer direction by the conveyor 5 as best shown in FIG. . The frame body 12 is held in a state of being inclined from the vertical direction by a predetermined minute angle θ (see FIG. 5A), and a lower end edge thereof is pivotally attached to be tiltable. The lower portion of the frame 12 is connected to a cylinder 15 via a frame 14 mounted above the pivot 13, and has a structure in which the frame 12 can be tilted to the opposite side by the operation of the cylinder 15. .

The frame 12 is moved from the supply position of the glass plate 1 from the previous step (see the arrow A in FIG. 2) to the cleaning section 3.
Between the supply position and the cleaning unit 3 and the intermediate position from the supply position to the cleaning unit 3. The other frame 17 rotatably supported by the vertical and horizontal arrangement is disposed to face the pivot 7 so as to be tiltable. Incidentally, the opposite frame members 12 and 17 have a slide mechanism (not shown) so that the interval between the support rollers 6 and 16 can be adjusted according to the thickness of the glass plate 1 and the like. Connecting rod 1 such as buckle
8.

Since the attachment 9 supports the glass plate 1 with the pointed projections 10 as described above, it is easy to incline the frames 12, 17 from one side to the opposite side. In addition, it is possible to prevent the lower end of the glass plate 1 from directly contacting the conveyor 5 to prevent abrasion and breakage.

Next, as shown in FIGS. 1 and 2, a washing chamber 19 for washing the glass plate 1 with high-pressure water is provided in the washing section 3 disposed after the loader section 2 described above. I have. At the lower part of the cleaning chamber 19, attachments 9 (see FIG. 5A), which have the same structure as the transport conveyor 5 of the loader section 2 and on which the glass plates 1 are mounted at predetermined intervals, are attached. Is provided.

As shown in FIGS. 6 and 7, a carry-in port 22 and a carry-out port 23 through which the glass plate 1 passes in the cleaning chamber 19 have a rubber plate 24 on the outside and a nylon brush 25 on the inside.
Are arranged in a double structure, whereby the inside of the cleaning chamber 19 is substantially airtightly shut off from the outside. An opening 26 (see FIG. 1) is provided at the top of the cleaning chamber 19, and suction means [not shown] such as a diagonal duct fan communicating with the inside of the cleaning chamber 19 is attached to the opening 26. , The inside of the cleaning chamber 19 is set to a negative pressure state. By setting the inside of the cleaning chamber 19 to a negative pressure state, it is possible to prevent the cleaning water or the like from scattering to the outside and leaking.

A large number of support rollers 28 are rotatably supported by a grid-like frame 27 in a predetermined vertical and horizontal arrangement, similarly to the support rollers 16 of the loader section 2, above the conveyor 21. I have. The support roller 28 inclines the glass plate 1 on the conveyor 21 by a predetermined minute angle θ, and holds the glass plate 1 in a standing state with the surface to be cleaned facing upward. It should be noted that this frame 27 is the frame 1 in the loader section 2 described above.
Unlike 2 and 17, it is not a tiltable structure but a fixed structure.

Inside the cleaning chamber 19, a cleaning nozzle 29 for spraying high-pressure water toward one side of the glass plate 1 is vertically movable at a position near the glass plate 1 loaded from the carry-in port 22 of the cleaning chamber 19. Are located in Note that two cleaning nozzles 29 are mounted so as to be able to move up and down in order to share the upper half and the lower half of the glass plate 1 respectively. These cleaning nozzles 29 are attached to the lower portion of the guide member 30 at predetermined vertical intervals, and the guide member 30 is attached to the cleaning chamber 19.
Is mounted on a rail 31 provided at the top of the camera so as to be able to move up and down. A crank mechanism 34 including a connecting rod 32 and a crank arm 33 is connected to an upper portion of the guide member 30,
It is connected to a drive motor 35 provided at the top of the cleaning chamber 19. Incidentally, it is also possible to wash the entire upper and lower surfaces of the glass plate 1 with one washing nozzle.

At the rear of the washing nozzle 29 in the direction of transport of the glass plate 1, dirt attached to one surface of the glass plate 1 is sprayed by high-pressure water from the washing nozzle 29 onto the glass plate 1. A nylon brush 36 for shielding so as not to fly backward is provided. A sponge roller 37 for absorbing water droplets remaining on and attached to the glass plate 1 is rotatably disposed at a position behind the nylon brush 36 in the transfer direction of the glass plate 1 so as to contact the glass plate 1. A squeeze roller 38 for removing the water absorbed by the roller 37 is rotatably disposed so as to be in contact with the sponge roller 37.

A roller cleaning nozzle 39 for jetting cleaning water toward the sponge roller 37 to remove dirt attached to the sponge roller 37 is disposed near the rollers 37 and 38. . Further, a drying nozzle 40 for drying one side of the glass plate 1 by air blowing is provided at a position behind the sponge roller 37 and the squeezing roller 38 in the transfer direction of the glass plate 1. Furthermore,
High pressure water is sprayed from the cleaning nozzle 29 toward the glass plate 1 at the position opposite to the surface to be cleaned of the glass plate 1 at a position before and after the nylon brush 36 between the cleaning nozzle 29 and the sponge roller 37 described above. There are provided two auxiliary cleaning nozzles 41 and 42 for washing away.

A sewage receiver (not shown) for collecting the sewage flowing down is provided below the washing room 19, and the collected sewage is appropriately sent to a sewage treatment facility for treatment.

Next, the unloader section 4 arranged at the subsequent stage of the washing section 3 is in a state in which the glass plate 1 is held upright as shown in FIGS. A transport conveyor 43 such as a chain conveyor carried out from the washing unit 3 and a large number of support rollers 44 for receiving the glass plate 1 standing above the transport conveyor 43 from the side.
And a frame body 45 rotatably supported in a predetermined vertical and horizontal arrangement relationship. The frame body 45 is fixed and held in the same direction as the frame body 27 of the cleaning unit 3 in a state of being inclined from the vertical direction by a predetermined minute angle θ, and the surface to be cleaned of the glass plate 1 faces upward. Supported by the state.

The above-mentioned conveyor 43 is arranged in a straight line with the conveyors 5 and 21 of the loader section 2 and the washing section 3 and is rotated by a drive motor 46. The transport conveyor 43 includes the transport conveyors 5 of the loader unit 2 and the cleaning unit 3.
Like FIG. 21, attachments 9 (see FIG. 5A) on which the glass plates 1 are placed at predetermined intervals are attached.

In addition to the attachment 9, as shown in FIG. 5 (b), a plate-shaped bracket 48 having projections 47 continuously provided at two locations in the width direction along the transfer direction is provided on the conveyor 43 as described above. The glass plate 1 is attached immediately after the attachment 9 so that the lower end surface of the glass plate 1 can be accommodated between the projections 47. Thereby, the former attachment 9
Even if the glass plate 1 supported by the glass plate 1 falls off from the pointed projection 10 for some reason, the glass plate 1 is accommodated between the projections 47 of the latter attachment 49 located immediately after the glass plate 1. Can be prevented from dropping from the conveyor 43.

The operation of the cleaning apparatus having the above configuration will be described below in detail.

First, a glass plate 1 that has been subjected to a predetermined process in a pre-process such as a molding process is transported by a robot hand or the like and supplied to a loader unit 2 (see arrow A in FIG. 2). In the loader section 2, the glass plate 1 is placed on the pointed projection 10 of the attachment 9 of the conveyor 5 by a robot hand or the like, and the surface to be cleaned of the glass plate 1 is
To support the glass plate 1 by inclining the glass plate 1 with the surface to be cleaned facing downward.

In this state, a glass plate is
1 is transported while being tilted and held upright, and two frames
Between the supporting rollers 12 and 17
The leading portion of the glass plate 1 is located at the first sensor position [S in FIG.₁
Position), the first sensor (not shown)
The cylinder 15 is operated based on the detected output. this
The operation of the cylinder 15 causes the pivot
Tilt the two frames 12 and 17 to the opposite side around 13
Then, the glass plate 1 is shifted to a state where the surface to be cleaned is directed upward.
And the leading portion of the glass plate 1 that continues to move is the second sensor
Position [S in FIG. _TwoPosition], the second sensor
The cleaning noise of the cleaning unit 3 based on the detection output of [not shown]
The injection of high-pressure water from the fuel tank 29 is started.

The glass plate 1 is carried into the washing room 19 through the rubber plate 24 and the nylon brush 25 of the carry-in port 22,
It moves in the cleaning chamber 19 while maintaining a state of being held upright on the conveyor 21. In the washing room 19,
First, the cleaning nozzle 29 which moves up and down by the guide member 30 via the crank mechanism 34 by the operation of the drive motor 35.
The surface to be cleaned of the glass plate 1 is cleaned by the high-pressure water sprayed from the surface of the glass plate 1 to remove dirt. At this time, the horizontal rectilinear movement of the glass plate 1 and the vertical up and down movement of the washing nozzle 29 are linked with a predetermined relative speed relationship, and the entire surface of the glass plate 1 is washed with high-pressure water from the washing nozzle 29.

After the glass plate 1 has passed through the nylon brush 36, the surface to be cleaned is wiped off by the sponge roller 37. The sponge roller 37 that has absorbed excess moisture and dirt on the surface of the glass plate 1 has the absorbed moisture and dirt removed by the squeezing roller 38 and washed by the roller washing nozzle 39. Thereafter, the surface to be cleaned of the glass plate 1 is dried by air blowing with the drying nozzle 40. still,
At the time of cleaning with high-pressure water by the cleaning nozzle 29, the scattered moisture and dirt are washed away by the auxiliary cleaning nozzles 41 and 42.

The glass plate 1 which has been carried out of the washing chamber 19 through the rubber plate 24 and the nylon brush 25 at the carry-out port 23 and is carried out to the outside is transferred onto the conveyor 43 by the unloader section 4. In the unloader section 4, the glass plate 1 is tilted and held upright on the conveyor 43 with its surface to be cleaned facing upward. The glass plate 1 is in the discharge position [FIG.
(See arrow B in FIG. 2), is taken out of the unloader section 4 by an appropriate means and supplied to a subsequent process.

In the above-described embodiment, the case where the back surface of the glass plate 1 is cleaned in order to remove a stain such as a release material adhered to the glass plate 1 in the forming process in the production of the glass material for building materials has been described. However, the present invention is not limited to this, and it is needless to say that the present invention can be applied to cleaning of a plate-like material other than a glass plate.

[0030]

According to the present invention, it is possible to provide a special-purpose machine suitable for automatically cleaning plate-like objects, regardless of the skill level of the worker or the fatigue of the worker over time. In addition, the entire surface of the plate-like material can be washed uniformly and uniformly in a short time. Also, since the plate-like object is held in an upright state and transported and washed, it is resistant to damage due to impact during transportation, does not undergo bending deformation due to its own weight,
Compared to cleaning a plate-like object in a horizontal state, it takes only a minimum space and requires only a small installation space, and the entire apparatus can be reduced in size. Further, by setting the inside of the washing chamber to a negative pressure state, it is possible to prevent the washing sewage from scattering to the outside, and to maintain a favorable working environment.

[Brief description of the drawings]

FIG. 1 is a front view showing an embodiment of an apparatus for cleaning a plate-like object according to the present invention.

FIG. 2 is a plan view of the cleaning device of FIG. 1;

FIG. 3 is a side view showing a loader section of the cleaning device of FIG. 1;

FIG. 4 is a side view showing an unloader section of the cleaning device of FIG. 1;

FIG. 5A is a side view showing an attachment of a transport conveyor at a loader section, and FIG. 5B is a side view showing another attachment of the transport conveyor at an unloader section.

FIG. 6 is a plan view showing a cleaning unit of the cleaning device of FIG. 1;

FIG. 7 is a side view showing a cleaning unit of the cleaning device of FIG. 1;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Plate-like material [glass plate] 5 Conveyor 19 Cleaning room 21 Conveyor 29 Cleaning nozzle 43 Conveyor

Claims (1)

[Claims] 1. A transport conveyor for transporting a plate-like object having a surface to be cleaned in an upright state, a cleaning chamber in which the interior is set to a negative pressure state, and a transport conveyor to the cleaning chamber by the transport conveyor. A cleaning nozzle that is disposed to be movable up and down in the vicinity of the plate-like object in an upright state and that injects high-pressure water toward a surface to be cleaned of the plate-like object; A cleaning device for cleaning a plate-like object, wherein the entire surface of the plate-like object to be cleaned is cleaned by horizontally moving the plate.