JP3845484B2 - Polishing device for both building frame and scaffolding - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a scouring device for removing deposits, such as concrete and paint, attached to a building frame and a scaffolding plate used in a temporary scaffold for building work, and more particularly, an apparatus capable of scouring both a building frame and a scaffolding plate. About.
[0002]
[Prior art]
In building construction of buildings, building frames are stacked near the building according to the height of the building, and a scaffold is formed between each building frame to form a temporary scaffold. Is going. These building frames and scaffolding plates may adhere to concrete when placing concrete or paint when painting the outer wall. After the construction is dismantled upon completion of construction, these deposits are removed in preparation for the next construction. We are removing it.
[0003]
Conventionally, the deposits on the building frame and scaffolding plate have been removed by a device called a scaffold scourer. For example, as described in Japanese Patent Laid-Open No. 4-20657 filed earlier by the present applicant, A pair of rotating shafts are disposed substantially horizontally while maintaining the interval through which the object to be polished passes, and a polishing ring is attached to the rotating shaft, and the object to be polished is placed between the pair of rotating shafts. There is a scaffold scourer that contacts a scouring ring that rotates while passing through it to remove deposits.
[0004]
In addition, as described in Japanese Utility Model Publication No. 4-53955, the scavenger is automatically fed with a transfer device and a palletizer in combination with the scaffold scavenger, and the ejected object is stacked. A sharpening device has also been proposed.
[0005]
In this way, the building frame and scaffolding plate have come to remove the deposits by the scouring device, but the shape is different between the building frame and the scaffolding plate, Since the shape of the transfer roller and the gripping metal of the object to be cleaned are different, it is usually for building frames manufactured according to the shape of the building frame and scaffolding plate, etc. A dedicated scouring device such as for scaffolding plates is used.
[0006]
[Problems to be solved by the invention]
However, when scouring both the building frame and the scaffolding board, it is necessary to install a dedicated scouring device for the scouring work of the building frame and the scaffolding board respectively. In addition, it is necessary to arrange them exclusively, and installing both of these devices requires a large site, which increases the economic burden.
[0007]
In view of the above points, the present invention devised a device for transfer, scouring, and stacking, and provides a scouring device that also serves as a building frame and scaffolding plate that can process both the building frame and the scaffolding plate with a single scouring device. To do.
[0008]
[Means for Solving the Problems]
In order to solve the above-described problems, the building frame / scaffolding plate scouring apparatus according to the present invention can change the number of rotations of the rotary type cleaning tool in accordance with the building frame and the scaffolding plate to be polished. Grooves for fitting the metal fittings attached to the four corners of the scaffolding plate are engraved into the abrasive and the roller that transfers the object to be polished to the abrasive, and both the building frame and the scaffolding plate are fed. A pair of scaffolding plate chucks that detachably attach the scaffolding plate by sandwiching the side part of the scaffolding plate on the discharge side of the transfer device and the abrading machine and fixed to the vertical pipe of the building frame It is characterized by comprising a palletizer provided with a pair of building frame chuck fittings for holding the brace pin and making the building frame detachable .
[0009]
DETAILED DESCRIPTION OF THE INVENTION
In the building frame / scaffolding plate scouring apparatus of the present invention, it is possible to perform the scouring work by adjusting the rotational speed of the rotating cleaning tool to an appropriate rotational speed according to the building frame and the scaffolding board. In addition, when the scaffolding plate is transferred, both the building frame and the scaffolding plate can be transferred by inserting the anchoring bracket of the scaffolding plate into the groove formed in the roller, and the palletizer has a building frame. Since the chuck fitting for grasping both the scaffolding plate and the scaffolding plate is provided, both the building frame and the scaffolding plate discharged from the polishing machine can be grabbed freely and stacked. As a result, both the building frame and the scaffolding plate can be cleaned by a single polishing device.
[0010]
【Example】
Embodiments of the present invention will be described below with reference to the drawings.
[0011]
FIG. 1 is an overall plan view of the scouring apparatus. In the figure, reference numeral 1 denotes a dual-purpose scouring machine that removes deposits adhering to the surfaces of building frames and scaffolding plates as temporary equipment. As shown in FIG. 2, the machine 1 has a support roller 4 rotatably supported by a bearing 5 between support plates 3 erected on both sides of the gantry 2, and a sprocket mounted on one end of each support roller 4. 6, the chain 7 is wound, and the chain 11 is wound on the sprocket 10 mounted on one of the sprocket 9 and the support roller 4 of the motor 8 for driving the support roller, and the support roller 4 is rotated by driving the motor 8. Thus, the articles to be studied sent from the input side are sequentially transferred to the discharge side.
[0012]
In addition, a presser roller 12 is disposed above the support roller 4 so as to hold a gap through which a building frame and a scaffolding plate can pass, and both ends of the presser roller 12 are rotatably supported by bearings 13. The bearing 13 is movable up and down, and the bearing 13 is attached in such a manner that it is suspended from the tip of the piston rod 15 of the air cylinder 14, and the building frame and scaffolding plate are attached to the support roller 4 and the support roller 4. When passing between the presser rollers 12, the building frame and the scaffolding plate are pressed with an appropriate force by the pressing force of the air cylinder 14, thereby smoothing the transfer and at the same time absorbing the impact at the time of polishing. . At this time, it is preferable to connect two air cylinders for suspending the presser roller 12 in series so that the distance between the support roller 4 and the presser roller 12 can be changed with one touch by a combination of the operated air cylinders.
[0013]
Further, as shown in FIG. 3, the support roller 4 is provided with a groove 16 for transferring both the building frame and the scaffold plate, and this groove 16 is used for transferring the scaffold plate. . When transferring the scaffolding plate, the back of the locking bracket attached to the four corners of the scaffolding plate protrudes from the surface of the scaffolding plate. If it is transferred so as to drop into the groove 16, the gap between the support roller 4 and the presser roller 12 can be passed smoothly.
[0014]
Reference numeral 17 denotes a scouring part disposed near the center of the gantry 2, and the scouring part 17 holds a gap through which a building frame and a scaffolding plate can pass between a pair of support frames 18 and 18 ′ disposed on the gantry 2. Thus, a pair of sharpening tools 19 are arranged in parallel in the vertical direction.
[0015]
The sharpening tool 19 rotatably mounts the rotary shafts 20 and 20 'on the bearings disposed on the support frames 18 and 18', and the rotary shafts 20 and 20 'have the rotary shafts 20 and 20' attached thereto. A large number of doughnut-shaped scouring rings 22 formed from thin plates are mounted on four shaft bodies 21 and 21 ′ arranged in parallel to the periphery.
[0016]
The polishing ring 22 has an inner diameter larger than the outer diameter of the shaft bodies 21 and 21 'and is attached to the shaft bodies 21 and 21' in a loosely fitted state. When the rotary shafts 20 and 20 'are not rotating, the shaft body 20 and 20 'are hung.
[0017]
Reference numerals 23 and 23 'denote driving motors for rotationally driving the rotating shafts 20 and 20', which are fixed on the support frames 18 and 18 '. The driving motor 23 is provided on the rotating shaft 20 and the rotating shaft 20' is provided on the rotating shaft 20 '. Drive motors 23 'are individually arranged so that the respective rotary shafts 20, 20' can be rotated independently. Further, the drive motors 23 and 23 'can freely change the rotation speed within a predetermined range so that the optimum rotation speed can be selected when the building frame is cleaned or when the scaffold plate is cleaned. I have to.
[0018]
In addition, on the input side and the discharge side of the scouring machine 1, a dual-purpose transfer device 24 that inputs and discharges building frames and scaffolding plates to and from the scouring machine 1 is disposed. Is configured to rotate the conveying roller 25 by the motor 8 for driving the support roller of the abrading machine 1 to transfer the building frame and the scaffolding plate. Similarly to the support roller 4 described above, the transport roller 25 is formed with a groove 16 for smoothly passing the anchoring bracket of the scaffolding plate when the scaffolding plate is transferred. Both the building frame and the scaffolding plate are formed. Can be transported. Further, a roller conveyor type discharge conveyor 26 is connected to the polishing machine discharge side of the transfer device 24 so that a building frame and a scaffold plate discharged from the polishing machine 1 are fed into a palletizer described below. .
[0019]
A dual-purpose palletizer 27 is provided on the discharge side of the scouring machine 1 to grab and stack the building frame and scaffolding plate. The palletizer 27 disposes a traveling rail 28 from a discharge conveyor 26 disposed on the discharge side of the scouring machine 1 to a laminating station for stacking building frames and scaffolding plates, and a rack gear 29 along the traveling rail 28. It is arranged. The traveling rail 28 is provided with a traveling body 30 that travels along the traveling rail 28, and a traveling motor 31 is mounted on the traveling body 30, and a pinion gear 32 attached to the traveling motor 31 is provided. The traveling body 30 is allowed to travel by being engaged with the rack gear 29 and driven by a traveling motor 31.
[0020]
Further, a guide rail 33 is disposed on the traveling body 30 in a direction orthogonal to the traveling rail 28, and a rack gear 34 is disposed along the guide rail 33. The guide rail 33 is provided with a moving plate 35 that moves along the guide rail 33, a moving motor 36 is mounted on the moving plate 35, and a pinion gear 37 attached to the moving motor 36 is attached to the rack gear 34. The moving plate 35 is moved laterally by driving the moving motor 36.
[0021]
As shown in FIG. 5, the moving plate 35 is provided with a turning gear 38 that turns in the horizontal direction. The turning gear 38 is turned by a turning motor 39 via a pinion gear 40.
[0022]
A support member 41 is disposed downward on the lower surface of the turning gear 38, and a guide member 43 that guides the slide shaft 42 in the vertical direction is fixed to the support member 41. An elevating body 45 that is moved up and down by the expansion and contraction of the cylinder 44 is fixed to the lower end portion.
[0023]
Slide shafts 46 are disposed on both side surfaces of the lifting body 45, and a pair of scaffolding plate chucks 47 for attaching and detaching the scaffolding plate is disposed in the middle of the slide shaft 46 so as to be laterally movable. . The scaffold plate chuck 47 approaches or separates due to expansion and contraction of the cylinder 48, and the scaffold plate chuck metal fitting 49 provided in the scaffold plate chuck 47 sandwiches or separates the side portions of the scaffold plate. I can do it.
[0024]
Further, a pair of building frame chucks 51 are disposed at both ends of the slide shaft 46 via arm members 50. The building frame chuck 51 is provided with a building frame chuck metal fitting 53 for gripping and releasing the brace pin fixed to the vertical pipe of the building frame by the operation of the cylinder 52.
[0025]
Further, as shown in FIG. 4, an elevating device 54 is provided below the palletizer 27 on the discharge side of the scouring machine 1 so that the discharged building frame and scaffolding plate can be easily grasped by the chucks of the palletizer 27. The building frame and the scaffolding plate are lifted to a predetermined position by a lifting arm 57 that is lifted and lowered via a chain 56 by driving the cylinder 55.
[0026]
Further, a stacking table lifter 59 that is moved up and down by a cylinder 58 is disposed at the stacking station, and a chain conveyor 61 that is rotationally driven by a driving motor 60 is disposed from the table lifter 59 to the carry-out position.
[0027]
FIG. 8 shows another embodiment of the palletizer. Here, the scaffolding plate chuck 47 and the building frame chuck 51 are separately provided on the traveling body 30 disposed on the traveling rail 28. , 63. The elevating bodies 62, 63 can be raised and lowered by cylinders 64, 65, respectively.
[0028]
Therefore, when the building frame is subjected to the blasting process by the dual type scouring apparatus of the present invention, the building to be scoured on the transfer roller 25 of the transfer device 24 disposed in front of the scouring machine 1. Place the frame. At this time, if the building frame is placed on the conveying roller 25 almost horizontally, the building frame can be fed into the front polishing machine 1 without being fitted into the groove 16 formed in the conveying roller 25.
[0029]
In the scouring machine 1, the scouring ring 22 is rotated at an appropriate speed for scouring the building frame, and the scouring ring that rotates while being sandwiched between the support roller 4 and the pressing roller 12 is rotated. 22 is passed through and discharged to the discharge side. The discharged building frame is pulled out by the transfer device 24 disposed on the discharge side, discharged by the discharge conveyor 26, positioned below the palletizer 27, and waits.
[0030]
In the palletizer 27, the traveling body 30 moves along the traveling rail 28 and moves to the upper position of the building frame that stands by. When the elevating arm 57 of the elevating device 54 is raised to a predetermined position and lifts the building frame, the cylinder 44 of the traveling body 30 is actuated to lower the elevating body 45, and the building frame chuck 51 disposed below the elevating body 45 is constructed. The frame chuck metal fitting 53 is faced to each of the brace pins of the building frame, and the brace pins are gripped. At this time, the scaffolding chuck metal fitting 49 is folded so as not to hit the building frame.
[0031]
When the building frame chuck fitting 53 grabs the brace pin, the lifting body 45 is raised again and the traveling body 30 is moved to transfer the building frame onto the table lifter 59 of the stacking station. If it is desired to change the direction in which the building frame is placed during this time, the turning motor 39 is driven to turn the turning gear 38 by 180 degrees to change the direction of the building frame. Then, the table lifter 59 is raised to a predetermined position. When the traveling body 30 that has grabbed the building frame arrives on the table lifter 59, the elevating body 45 is lowered and the building frame is placed on the table lifter 59. In the case of stacking building frames as shown in FIG. 1, when two building frames are placed facing each other, the table lifter 59 descends by one building frame and stands by. The building frames that have been subjected to the polishing process by repeating such operations are stacked on the table lifter 59, and when a predetermined number of layers are stacked, they are carried out by the chain conveyor 61.
[0032]
Further, when the scaffold plate is subjected to a polishing process, it is placed on the transfer roller 25 of the transfer device 24. At this time, as shown in FIG. 1 and FIG. 2, the scaffold plate is made to face down, and at the same time, fittings attached to the four corners are fitted into the grooves 16 of the conveying roller 25. Taking FIG. 1 as an example, a groove is formed in the central portion of the transport roller 25 so as to place a narrow scaffold plate, and a standard type wide scaffold plate is placed on the left side. Grooves are formed in.
[0033]
In this way, in the case of the scaffold plate, the locking brackets located at the four corners are transferred so as to be fitted into the grooves 16 of the conveying roller 25 and are sent to the blaster 1. In the scouring machine 1, the scouring ring 22 is adjusted to a rotation speed suitable for scouring the scaffold plate, and only the lower scouring ring 22 is rotated in order to scour only the scaffold plate surface. Perform the cleaning process. When the blasting process is completed, it is drawn out to the transfer device 24 on the discharge side, discharged by the discharge conveyor 26, positioned under the balletizer 27, and waits.
[0034]
In the palletizer 27, the traveling body 30 moves above the standby scaffolding plate, the lifting body 45 descends, and the scaffolding chuck metal fitting 49 of the scaffolding chuck 47 grips the side surface in the longitudinal direction of the scaffolding plate. At this time, the scaffolding chuck metal 49 is raised to make it vertical so that the scaffolding plate can be grasped.
[0035]
When the scaffolding chuck bracket 49 grabs the scaffolding plate, the lifting / lowering body 45 rises again, and the traveling body 30 travels to transfer the scaffolding plate to the laminating station, sequentially stacking on the table lifter 59, and stacking a predetermined number of chains. It is carried out by the conveyor 61. In addition, while the traveling body 30 is traveling toward the stacking station, the turning gear 38 is turned 90 degrees to change the direction of the scaffolding plate to change the stacking direction.
[0036]
In this manner, both the building frame and the scaffolding plate can be subjected to the blasting treatment by the building frame and scaffolding plate type scourer, transfer device, and palletizer.
[0037]
【The invention's effect】
As described above, in the building frame and scaffolding plate scouring apparatus of the present invention, the scouring device is a combination type scouring machine, transfer device, and palletizer that treats both the building frame and the scaffolding plate. Because it is configured, even when blasting the building frame and scaffolding plate, it is possible to perform the blasting treatment with one scouring device without installing a dedicated scouring device one by one as in the past, One worker can sharpen both the building frame and the scaffolding board, and it is not necessary to secure a large space for installing the polishing apparatus, so that the economic burden can be greatly reduced.
[Brief description of the drawings]
FIG. 1 is an overall plan view of a polishing apparatus according to the present invention.
FIG. 2 is an enlarged view taken along line AA in FIG.
FIG. 3 is an enlarged view taken along line BB in FIG. 1;
4 is a view taken along the line CC in FIG. 1; FIG.
FIG. 5 is an enlarged view of a main part of FIG.
6 is an enlarged view of a main part of FIG.
7 is a view taken along line DD in FIG. 6;
FIG. 8 is an enlarged view of a main part corresponding to FIG. 5 showing another embodiment of the palletizer.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 ... Abrasive machine 4 ... Support roller 12 ... Pressing roller 14 ... Air cylinder 16 ... Groove 17 ... Abrasive part 20, 20 '... Rotating shaft 21, 21' ... Shaft body 22 ... Abrasive ring 23, 23 '... Drive Motor 24 ... Transfer device 25 ... Conveying roller 26 ... Discharge conveyor 27 ... Palletizer 28 ... Running rail 30 ... Running body 45 ... Elevating body 47 ... Chuck for scaffolding plate 51 ... Chuck for building frame

Claims (1)

A scouring machine capable of changing the number of rotations of the rotary scouring tool according to the building frame and scaffolding plate to be scoured, and four corners of the scaffolding plate to a roller for transferring the scouring material to the scouring machine. A transfer device that engraves a groove for fitting a locking metal fitting attached thereto, and feeds both the building frame and the scaffolding plate, and sandwiches the side of the scaffolding plate on the discharge side of the abrading machine. A pair of scaffolding plate chucks that allow the plate to be detachable are arranged, and a pair of building frame chuck fittings that make the building frame detachable by grasping the brace pins fixed to the vertical pipe of the building frame. A polishing device that is also used as a building frame and scaffolding board, characterized by comprising a palletizer.

Images