JPH1199367A - Scraping method for building materials and apparatus therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To lessen the generation of noise at the time of scraping work to building materials, to improve working environment and to freely execute the selection of a scraping treatment for one surface and both surfaces according to the conditions of the building materials. SOLUTION: This apparatus is arranged with a scraping machine 7 without contact with the building materials A in a transporting path 1 supporting and feeding the building materials A in such a manner that the moving in a direction orthogonal with the feed direction of the building materials A, vertical movement and vertical inversion thereof are made possible. The building materials A are subjected to the scraping treatment by the arrangement of the scraping machine 7 to comply with the shapes and sizes of the building materials A and the selection of the movement, by which the scraping treatment of the one surface and both surfaces is made possible according to the conditions of the building materials A.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and an apparatus for peeling off building materials, and more particularly to a method for removing adhering substances to a temporary scaffolding frame, scaffolding plates, pipes, clamps and the like used in construction work and the like. , A water jetting method, and a water jet removing method.

[0002]

2. Description of the Related Art Concrete and paint adhere to building frames, scaffolding boards, pipes, clamps, etc. for temporary scaffolds used in construction work, etc., and these building materials are not adhered after collection of used materials. Must be removed and ready for the next reuse.

Conventionally, as a Keren device for removing the adhering matter of building materials as described above, a dresser for turning a number of striking wheels is arranged on a transport path for transferring building materials.
The thing which peels and removes an adhering material by hitting a moving building material with a hitting wheel is used.

[0004]

In a keren device using a hitting wheel, a steel pipe or a metal plate constituting a building material is hit by the metal hitting wheel, so that noise is generated at the time of the working and the hitting force is reduced. If it is strong, there is a problem of causing damage to building materials.

[0005] Further, depending on the type of building material, there is a case in which deposits are generated on both sides or the front surface, such as a building frame, and a case in which deposits are generated only on the surface or one surface, such as a scaffold plate. For example, in the case of a single-sided Keren device, in the case of a Keren of a building frame, Keren treatment is required twice, and when Keren of scaffolding is performed by a Keren device dedicated to both sides, there is no need for Keren treatment. There is a problem of damage to the parts, and it is not possible to kernel both the scaffolding boards and the building frames.

SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a method and an apparatus which can reduce the generation of noise during the treatment of building materials, improve the working environment, and freely select one or both sides of the treatment. It is in.

[0007]

In order to solve the above-mentioned problems, a first aspect of the present invention is to provide a plurality of keren means which are in non-contact with a building material in a conveying path for supporting and sending the building material. Is arranged so that it can be moved in the direction perpendicular to the feed direction of the building material, and the construction material is subjected to the Keren treatment by selecting the placement and movement of Keren means according to the shape and size of the building material Is adopted.

According to a second aspect of the present invention, a plurality of non-contact keren means can be moved in a direction perpendicular to the feeding direction of the building material above and below the transport path for supporting and sending the building material. In this configuration, the building material is placed on a net pallet and transported, and the building material is subjected to the creping treatment by the upper and lower creping means.

[0010] According to a third aspect of the present invention, a plurality of keren means which are in non-contact with the building material are arranged on a conveying path for supporting and sending the building material, and each keren means is orthogonal to the feeding direction of the building material. A configuration in which movement in a direction is enabled is adopted.

According to a fourth aspect of the present invention, it is possible to move a plurality of keren means which are not in contact with the building material in a conveying path which supports and feeds the building material in a direction orthogonal to the feeding direction of the building material. In this manner, at least one of the Keren means of each Keren means adopts a configuration in which either one or both of up-and-down movement and vertical inversion is possible.

According to a fifth aspect of the present invention, in the invention of the third or fourth aspect, the movement of each keren means disposed on the transporting path in a direction orthogonal to the feeding direction of the building material is arbitrary in the width direction of the transporting path. This adopts a configuration that is set to move from the position to one side.

Here, the Keren means may be a non-contact type such as a water jet, sand blast, jet blast, etc., and any of them may be pressurized water or water from a number of nozzles arranged in a circle on the surface facing the building material. The deposit is removed by injecting sand.

[0013]

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

FIG. 1 and FIG. 2 show the layout of the Keren device, in which a roller conveyor 41 and a roller conveyor 42 on the same level are arranged in a straight line at the same level before and after the conveyor 1 of the Keren device. After the building material A sent from the side roller conveyor 41 is subjected to a kernel treatment with a kernel device,
This is taken out to the delivery roller conveyor 42.

As shown in FIG. 3 and FIG. 4, the transporting body 1 of the Keren device has a number of rollers 3 arranged side by side on a frame 2, and each roller 3 is rotated by driving a motor 4. A is horizontally supported and sent to the exit roller conveyor 42 side, a water storage tank 5 is provided below the roller 3 group, and a weight type pinch roller 6 is disposed above the roller 3 group.

In the course of transport of the transport body 1, first to fourth Keren machines 7 are arranged at predetermined intervals in the transport direction. The structure of each Keren machine 7 is the same, and the schematic structure thereof is the lifting mechanism 43 arranged at the side of the carrier 1.
A rotating shaft 8 that is horizontally held by the lifting mechanism 43 so as to be able to move up and down, and is capable of moving forward and backward perpendicular to the conveying direction of the carrier 1, and the axis of the rotating shaft 8 at the tip of the rotating shaft 8. A nozzle head 9 attached so as to rotate about an orthogonal axis, and the nozzle head 9 can face both the upper surface and the lower surface with respect to the building material A on the transport body 1; Pressure water is jetted from the jet nozzle of the nozzle head 9.

FIG. 5 shows a first embodiment of the Keren machine 7, in which a lifting mechanism 43 arranged on the floor at a position lateral to the carrier 1 has a vertical bifurcated shape on the floor. A guide wall 11 is erected, and an elevating table 12 that moves up and down along the guide wall 11 is provided outside the guide wall 11, and the cylindrical rotary shaft 8 is rotated by a bearing 13 fixed to the elevating table 12. The rod is supported horizontally so as to be freely movable in the axial direction, and the rod of a cylinder 14 fixed to the upper part of the guide wall 11 is connected to the elevating table 12, so that the rotation axis is moved up and down by the expansion and contraction of the cylinder 14. .

Box 1 provided at the tip of the rotating shaft 8
8, a cylindrical shaft 19 orthogonal to the rotating shaft is rotatably supported, the nozzle head 9 is fixed to one end of the cylindrical shaft 19, and the tip of the shaft 20 passed through the rotating shaft 8 and the cylindrical shaft 19 are formed as a pair of umbrellas. The other end of the shaft 20 is interlocked with a motor 21 fixed to the movable base 15 so that the nozzle head 9 is rotated by the motor 21.

The nozzle head 21 is formed by arranging a plurality of jet nozzles in a circle around a disk fixed to an end of a cylinder shaft 19, and the nozzle head 21 is rotated through the rotation shaft 8 while the nozzle head 9 rotates. Hose 22 connected to the other end of shaft 19
Is injected from each jet nozzle.

The vertical movement of the Keren machine 7 is based on the height position of the building material A located on the carrier 1 as an intermediate reference, and any one of an ascending position and a descending position which are substantially equidistant from the intermediate reference. The nozzle head 9 is directed downward or upward to face the building material A.

The horizontal movement stroke of the nozzle head 9 is, as shown by the solid line in FIG. 5, a forward position where the center of the nozzle head 9 coincides with the center of the conveying body 1 in the width direction.
As shown by the dashed line in FIG. 5, the nozzle head 9 is set to move to one side while the nozzle head 9 is located on one side of the transport body 1.

Therefore, the building material A supported by the carrier 1
Processing width of the nozzle head 9 with respect to the
About half of the width of For this reason, as shown in FIG. 3, the first and third keren machines 7a and 7c and the second and fourth keren machines 7b and 7d are located on both sides of the carrier 1 and In FIG. 7, the entire width of the building material A can be subjected to the Keren treatment.

When the movement stroke of the nozzle head 9 is set to be approximately half the width of the building material A as described above, the movement stroke of the nozzle head 9 can be shortened, and the cycle of the keel treatment can be shortened. . In addition, since the Keren processing range of each nozzle head 9 laps planarly with respect to the transport direction of the building material A, the forward position of the nozzle head 9 is appropriately set in the width direction from the center of the transport body 1 in the width direction. It may be set to a distorted arrangement.

FIG. 6 shows a second embodiment of the Keren machine. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof will be omitted. The same applies to other embodiments.

In the Keren machine 7 of the second embodiment, the carriage 23 is mounted on the support 12a provided on the lift 12 by the rail 2.
4, a motor 17 for driving the rotary shaft 8 and a motor 21 for rotating the nozzle head 9 are provided on the carriage 23, and the elevating table 12 is provided between the lower part of the guide wall 11 and the motor. While moving up and down by the cylinder 25, the movement of the bogie 23 with respect to the elevating platform 12 is not shown in the drawing.
Done by cylinder.

The Keren machine 7 according to the third embodiment shown in FIGS. 7 and 8 is such that the nozzle head 9 is moved by a motor, and a sprocket 31 pivotally supported on upper and lower ends of a guide wall 11 is provided. And 32, a chain 33 is wound around, and both ends of the chain 33 are connected to the upper and lower sides of the elevating platform 12 attached to the guide wall 11, and the elevating platform 12 is moved up and down by a motor 34 for driving the chain 33, and the rotating shaft 8 is moved. A motor 37 for driving the pinion 36 by meshing a lower rack 35 of the movable table 15 to be supported with a pinion 36 provided on the lift table 12.
Moves the nozzle head 9.

In the third embodiment, the motor 21 for rotating the nozzle head 9 is attached to the box 18 provided at the tip of the rotating shaft 8. In addition, Keren machine 7
At the upper and lower positions of the nozzle head 9, a scatter prevention plate 38 of the pressurized water is arranged.

The Keren apparatus of the present invention is configured as described above. Next, a Keren processing method using this apparatus will be described.

Examples of the construction material a to be subjected to the quenching treatment include a construction frame requiring keren from both sides, pipes such as one-side scaffolds and supports, clamps, stairs, stepladders, formwork, and only one side. There are scaffolding boards such as formwork, cloth board, step board, and the like, and depending on the type, size, and shape of each construction material, the combination of the vertical arrangement positions of each keren machine 7 and the arrangement of the nozzle head 9 The condition is selected.

FIGS. 9A to 9D and FIG. 10A,
(B) schematically shows the relationship between the type of the construction material A and the arrangement condition of the nozzle head 9 of each keeling machine 7.

The pattern of FIG. 9A shows the arrangement of the construction material A such as a narrow scaffold plate and the nozzle head 9 of each keeling machine 7 which may be a keel on one side only. 9 are fixedly arranged side by side on the upper surface side in the center of the transporting body 1 and fixedly arranged, and the construction material A is non-contacted from the upper surface side without contact. As described above, if the all nozzle heads 9 are used to perform the keren treatment, the conveyance speed of the construction material A can be increased by improving the keren treatment effect, and the treatment efficiency can be increased.

The pattern of FIG. 9B shows the arrangement of the construction material A such as a narrow scaffold plate requiring both sides of the crepe and the nozzle head 9 of each crepe machine 7. The heads 9 are arranged in series on the upper surface side at the center of the transport body 1, and the nozzle heads 9 of the first and fourth keren machines 7 a and 7 d are arranged.
At the lower part of the carrier 1, the second and third keren machines 7 b, 7 c
The nozzle head 9 is disposed above the carrier 1 and the construction material A is non-contacted from both upper and lower sides without contact.

The pattern of FIG. 9C shows the arrangement of the construction material A such as a slightly wide scaffold plate and a nozzle head 9 of each keeling machine 7 which may be a keel only on one side.
Nozzle head 9 is fixedly arranged on the upper surface side of the carrier 1 in a zigzag manner with the center of the carrier 1 as a reference.
Is non-contacted from the upper surface side.

The pattern shown in FIG. 9D shows the arrangement of the construction material A such as a slightly wide scaffold plate requiring both sides of the kerren and the nozzle heads 9 of each kerren machine 7. The nozzle heads 9 of the second and third Keren machines 7b and 7c are placed below the conveying body 1 with the nozzle heads 9 of the Keren machines 7a and 7d.
Is positioned above the carrier 1 and each nozzle head 9
Are fixedly arranged side by side in a zigzag manner with reference to the center of the carrier 1, and the construction material A is non-contacted from both upper and lower sides in a non-contact manner.

The pattern of FIG. 10A shows the arrangement of the construction material A such as a wide scaffold plate and the nozzle head 9 of each keeling machine 7 which may be a keel on one side only. 9 are fixedly arranged side by side in a zigzag manner on the upper surface side of the carrier 1 and the construction material A is non-contacted from the upper surface side without contact.

The pattern shown in FIG. 10 (B) shows an example in which a wide building frame A1 requiring both sides of kerren and a construction material a such as a small part such as a clamp are simultaneously creped.

In this example, a small part a such as a building frame A1 and a clamp is placed on the tray 44 and transported by using a wire mesh tray 44 so that the small part a can be transported without any trouble. Nozzle head 9 of the fourth keren machine 7a, 7d
At the lower part of the carrier 1, the second and third keren machines 7 b, 7 c
Nozzle head 9 is positioned above the carrier 1, and
Each nozzle head 9 is moved in the width direction of the transporting body 1 to perform the creping process.

As described above, each Keren machine 7 can turn the position of the nozzle head 9 up and down, and
Keren treatment can be carried out under optimum conditions according to the type of construction material to be treated.

FIGS. 11A and 11B show the structure of a tray 44 on which a small part a such as a building frame A1 and a clamp is placed.
The four building frames A1 are stacked and supported in a state where they are vertically displaced in the vertical direction and the width direction by the receiving members 45 provided at a plurality of positions on the upper surface of the tray 44, and are supported in the space around and around the inside. The small parts a are appropriately arranged, and the building frame A1 and the small parts a are moved by the movement of the tray 44 and the movement of each nozzle head 9.
At the same time from the upper and lower sides without contact.

Here, a specific example of the Keren processing for the building frame A1 will be described with reference to FIGS.

The first and second cleaning devices 7a and 7b are located at the upper part of the carrier 1 with the nozzle head 9 facing downward, and the third and fourth cleaning devices 7c and 7d are located at the lower portion of the carrier 1. Then, the nozzle head 9 is turned upward, and each of the scraping machines 7a to 7d is on standby so that the nozzle head 9 is located at the center of the conveyance body 1 in the width direction. Note that the standby positions of the nozzle heads 9 may be arranged so as to overlap each other with respect to the center of the transport body 1 in the width direction.

The building frame A1 supplied to the end on the receiving side on the carrier 1 is horizontally supported, and moves from left to right as shown by the arrow in FIG. When the leading end of the tool enters just below the first Keren machine 7a, the first
The nozzle head 9 in the Keren machine 7a rotates and moves outward in the width direction of the transport body 1 while injecting pressurized water from the jet nozzle. When the movement stops at the side of the transport body 1, the nozzle head 9 As the building frame A1 moves, the nozzle head 9 performs the kerping treatment on the upper surface of one half of the planar shape of the building frame A1 with pressurized water.

Next, when the leading end of the building frame A1 enters directly below the second cleaning machine 7b, the nozzle head 9 of the second cleaning machine 7b is turned on similarly to the first cleaning machine 7a. In addition, the rotation and the movement of the carrier 1 to the outside in the width direction
The upper surface of the other half of the planar shape of 1 will be kelen treated with pressurized water.

Further, in the third and fourth cleaning devices 7c and 7d, when the nozzle head 9 enters just above the front end of the building frame A1, the nozzle head 9 moves as in the case of the first cleaning device 7a. With the movement of the building frame A1, the lower surface of one half of the planar shape of the building frame A1 is subjected to a kerosene treatment with pressurized water.

Since the nozzle head 9 in each keren machine 7 jets the pressurized water by the jet nozzle while rotating, the nozzle head 9 has a keren area corresponding to the circle where the jet nozzle is arranged, and the deposits on the building frame A1 are subjected to high pressure. The water can be reliably removed with water, and by setting the speed of the feed of the building frame A1 and the speed of the lateral movement of the nozzle head 9, it is possible to carry out the lifting of the horizontal cross section of the building frame A1 without hindrance.

That is, for the movement of the nozzle head 9 in each of the keren machines 7, the planar pattern shape of the building frame A1 is input to a storage device in advance, the information of the building frame A1 to be processed is taken out, and the control device is operated. The control device controls the motor and the cylinder so as to move the nozzle head 9 in accordance with the feed speed and the shape of the building frame A1 supplied on the carrier 1.

In the embodiment, the nozzle head 9 may be of a fixed type that does not rotate, and each keren machine 7 is exemplified by the water jet processing by water jet. A non-contact type such as a breast or a jet breast can be adopted.

[0048]

As described above, according to the present invention, a non-contact type helical device which faces a building material is arranged on a transporting path for supporting and sending the building material, and the helical device is connected to the building material. In the direction perpendicular to the feed direction of the material, as well as up and down movements and upside down, and the arrangement and movement of the crepe means according to the shape and size of the construction material The effect of reducing the noise generated during work on building materials is improved, the work environment is improved, and the effect of freely selecting one-sided or double-sided Keren processing according to the conditions of the building materials is provided. is there.

Also, since the building material is placed on a net pallet and conveyed, and the creping means are arranged above and below the conveying path to perform the creping process on the building material, so that the large-sized building material and the parts can be simultaneously creped. It is possible to minimize the loss of the quenched material.

[Brief description of the drawings]

FIG. 1 is a plan view showing a layout of a Keren device.

FIG. 2 is a front view showing a layout of the Keren device.

FIG. 3 is a plan view showing a main part of the Keren device.

FIG. 4 is a longitudinal sectional front view showing a main part of the Keren device.

FIG. 5 is a longitudinal sectional view showing the first embodiment of the Keren machine.

FIG. 6 is a perspective view showing a second embodiment of the Keren machine.

FIG. 7 is a longitudinal sectional view showing a third embodiment of the Keren machine.

FIG. 8 is an enlarged longitudinal sectional view of a main part showing a third embodiment of the Keren machine.

FIGS. 9A to 9D are explanatory diagrams showing different examples of the Keren processing patterns. FIGS.

FIGS. 10A and 10B are explanatory diagrams showing different examples of the Keren processing patterns. FIGS.

11A is a plan view showing a state in which construction materials are transported by a net pallet, and FIG. 11B is an enlarged cross-sectional view showing a building frame supporting portion of the same.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Conveyor body 7 Keren machine 8 Rotation axis 9 Nozzle head

Claims (5)

[Claims] Claims: 1. A plurality of keren means, which are in non-contact with a building material, are arranged on a transport path for supporting and sending the building material so as to be movable in a direction orthogonal to a feeding direction of the building material. A construction material kering method characterized by applying a creping treatment to the construction material by selecting the arrangement and movement of the kernel means according to the shape and size of the construction material. 2. A plurality of Keren means which are not in contact with a building material are arranged above and below a transport path for supporting and feeding the building material so as to be movable in a direction orthogonal to a feeding direction of the building material. And carrying out the creping treatment on the building material by means of upper and lower kernel means while transporting the building material on a net pallet. 3. A plurality of keren means, which are in non-contact with the building material, are arranged on a transport path for supporting and sending the building material,
A construction material Keren device in which each Keren means can be moved in a direction orthogonal to the building material feed direction. 4. A plurality of non-contact keren means which are not in contact with the building material are arranged on a transport path for supporting and sending the building material so as to be movable in a direction orthogonal to the feeding direction of the building material. At least one of the Keren means is
Keren device for building materials that can be moved up and down and / or upside down. 5. The movement of each keren means arranged in the transport path in a direction orthogonal to the feed direction of the building material is set so as to move from an arbitrary position in the width direction of the transport path to one side. The kelen apparatus for building materials according to 3 or 4.