JPH0617864U - Mobile shot blasting equipment - Google Patents

Abstract

(57) [Abstract] [Purpose] Dust accumulated in the cabinet of the dust collector in the mobile shot blasting equipment that moves on the surface to be processed and collects the shot shot while processing the surface to be processed. Make it easy to transfer to a waste bag. [Configuration] A lower portion of a cabinet 36 of the dust collector 5 is formed in a downward tapered shape and is inclined in a downward slope, and an air slider mechanism 45 is attached to a bottom portion which is a lower side portion of the downward slope.
The dust receiving container 50 with the waste bag 49 inside is detachably attached to the lower end of the cabinet 36, and the opening / closing mechanism 51 is attached.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to an improvement of a mobile shot blasting apparatus that moves on a surface to be processed such as a floor surface, projects a shot on the surface to be processed, and collects the projected shot to process the surface to be processed.

[0002]

[Prior art]

 Conventionally, as one of the mobile shot blast equipments of this type, a shot projection device and a shot collection case device are joined to each other in a roughly V shape and attached to a self-propelled device, and a shot discharge port of the shot collection case device A separation device for separating shots and impurities from each other is provided between the shot supply port of the shot projection device, and a dust collection device that communicates with the separation device is installed over the shot projection device and shot collection case device. There is something I did.

[0003]

[Issues to be solved by the device]

 However, in the shot blasting equipment configured in this way, dust collected at the bottom of the dust collector is manually refilled into a waste bag with a scoop, etc. There were problems such as flying around the workers and making the environment worse. The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a shot blasting facility that facilitates the transfer of dust to a waste bag.

[0005]

[Means for Solving the Problems]

 In order to achieve the above-mentioned object, the mobile shot blasting equipment of the present invention comprises a shot projecting device and a shot collecting case device, which are attached to a self-propelled device by joining the shot collecting device and the shot collecting case device in a substantially V-shape. A separation device for separating shots and impurities from each other is provided between the discharge port and the shot supply port of the shot projection device, and a dust collecting device communicating with the separation device is further provided for the shot projection device and the above-mentioned device. In a mobile shot blasting equipment, which is mounted over a shot collection case device and moves on the surface to be treated and collects shots that are projected, the surface of the dust collector is lower than the cabinet of the dust collector. Is formed in a downward tapered shape and is inclined in a downward slope, and an air slider mechanism is formed at the bottom, which is the lower side of the downward slope. Wherein the serial mounting the closing mechanism to the lower portion of the cabinet and mounted detachably dust receptacle disposal bag interior.

[0006]

[Action]

 Next, the operation of the equipment thus configured will be described. Under the condition that the dust collector is driven, the shot projection device is driven to move the object to be processed while projecting the shot. Then, the shot projected from the shot projection device hits the surface to be processed and is then carried into the separation device along with the debris from the surface to be processed along with the air flow that flows through the inside of the shot collection case device. , Here, relatively large dust and fine dust are sucked and removed, and then the dust is collected by the filter of the dust collector. On the other hand, the dust collected by the filter falls into the dust container inside the waste bag. If you miss the time to replace the dust bag inside the dust container, the opening / closing mechanism closes the lower end of the cabinet once, and replace the dust bag inside the dust container with a new dust bag. Then, the open / close mechanism is activated to reopen the lower end of the cabinet, and the air slider mechanism is appropriately activated to drop the dust remaining in the lower portion of the cabinet into the waste bag.

[0007]

【Example】

 An embodiment of the present invention will be described in detail with reference to FIGS. As shown in FIG. 1, which is a partial cross-sectional side view, the shot blasting equipment includes a self-propelled device 1, a shot projection device 2, a shot collection case device 3, a separation device 4, and a dust collection device. It is composed of 5 and. In the self-propelled device 1, the driving wheel 7 is attached to the shot collecting case device 3, and the two driven wheels 8 are attached to the shot projection device 2 via the intermediary members 9 and 10, respectively. The drive wheel 7 is connected to the output shaft of the servo motor 12 mounted on the intermediary member 9 via a transmission mechanism 13.

Further, in the shot projection apparatus 2, the shot guide case 17 is provided with an inclination of approximately 45 degrees, and a motor 18 is attached to the lower side wall of the shot guide case 17, and An impeller 19 for projecting the supplied shot by a centrifugal force is mounted inside the shot guide case 17 on the output shaft.

In the shot collecting case device 3, the lower part of the arc-shaped shot collecting case main body 20 is formed in a lower part of the shot guide case 17 of the shot projecting device 2 and has a substantially V shape. It is inclined and joined like this. An auxiliary case 21 is vertically movably suspended and a rubber seal 22 is attached to a joint portion between the shot inner case 17 and the shot collection case body 20, and the shot collection case body is further attached. A rotating plate 23, which is inclined upward in the forward direction of the equipment, is installed on the forward side of the equipment in 20 so as to be vertically rotatable via a support shaft 24, an arm 25, and a cylinder 26. 23 is rotated so that the lower end thereof rises when the equipment retracts. The upper end of the shot collection case body 20 is airtightly inserted into the upper end of a hopper 28 of the separating device 4 described later and faces downward. A communication pipe 27 that communicates with a hopper 28 of the separating device 4 described later is provided on the upper portion of the shot collection case body 20.

Further, in the separating device 4, a receiving shelf 29 is provided below the connection position of the shot collecting case body 20 inside the closed hopper 28, and a baffle plate 30 is provided on the right side of the receiving shelf 29. A vertical air passage 31 extending vertically and a horizontal air passage 32 extending horizontally are formed on the right side of the baffle plate 30, and a small hole 33 is formed at the right end of the horizontal air passage 32. There is. Further, a wire net 34 is stretched below the connection position of the communication pipe 27 in the hopper 28, and the lower end of the hopper 28 communicates with the shot supply port 2a of the shot projection device 2 via a damper 35. is there.

Further, in the dust collector 5, the interior of the cabinet 36 is partitioned by the partition plate 6 into upper and lower chambers 36 a and 36 b, and a place in the lower chamber 36 b of the cabinet 36 that communicates with the separating device 4 is A vertical air passage 37 directed upward is provided, and a filter 38 communicating with the upper chamber 36a of the cabinet 36 is vertically provided on the lower surface of the partition plate 6, and the upper chamber 36a has an upper end opening of the filter 38. The compressed air jet nozzles 39, 39 facing each other are provided, and on the left side of the cabinet 36, a blower 40 having a suction port communicating with the upper chamber 36a is provided. Further, the nozzle 39 is connected to a compressor 43 with a storage tank arranged near the blower 40 via an opening / closing valve 44.

The lower portion of the cabinet 36 has a downward tapered shape and is inclined downward to the right, and an air slide mechanism 45 is provided at the bottom of the inclined portion. Configured. In the air slider mechanism 45, a breathable cloth 46 is stretched along the bottom wall of the air slider mechanism 45, and a hollow chamber defined by the bottom wall and the cloth 46 is provided with a pipe 47 and an opening / closing valve 48. Connected to the compressor 43. A dust container 50 containing a waste bag 49 is detachably attached to the lower end of the cabinet 36 via a latch 51, and an opening / closing mechanism 51 for opening and closing the lower end of the cabinet 36 is attached. In the opening / closing mechanism 51, the lid 52 is mounted rotatably up and down via the support shaft 53, and the weight 55 is mounted on one end of the support shaft 53 via the arm 54. The lid 52 is kept open or closed by a weight 55. In the figure, reference numeral 56 is a control panel.

The operation of the equipment thus configured will be described. The blower 40 of the dust collector 5 is driven to generate an upward airflow in the shot collection case body 20 of the shot collection case device 3, and the lid 52 is rotated downward via the arm 54 to rotate the cabinet 36. With the lower end portion of the machine being opened, the motor 18 of the shot projection apparatus 2 is driven to rotate the impeller 19, and the equipment is advanced in the arrow direction while projecting a shot. Then, the shot shot hits the surface C to be processed and bounces back, and together with the separated matter separated from the surface C to be processed, rides on the air flow passing through the inside of the shot collection case body 20 and the separating device 4 and The dust is sequentially sucked into the dust collector 5.

In this way, when the shot or the like containing the peeled matter is sucked into the separation device 4 or the like, first, in the separation device 4, the shot or the like is discharged from the upper end portion of the shot collection case main body 20 and directed downward and placed on the receiving rack 29. . Then, the shot or the like that fills the receiving rack 29 with shots and spills from the receiving rack 29, dust and the like are blown up and removed by the airflow discharged from the tip opening of the communication pipe 27, and then, Shots that have not been removed by moving up the vertical air passage 37 of the dust collector 5 are removed, and the removed shots fall through the small holes 33 and fall on the wire net 34, while dust is filtered by the filter 38. Removed by. Further, shots and the like that have fallen onto the wire net 34 flow through this, large impurities are removed, and then flow into the supply port of the shot projection apparatus 2. On the other hand, the dust separated from the filter 38 falls into the waste bag 49.

In this way, when the waste bag 49 is filled with dust or the like, it is possible to easily loosen the latch 51 to remove the dust receiving container 50 and then remove the waste bag 49 from the dust receiving container 50. Dust can be removed from the equipment. By the way, when the dust overflows the waste bag 49 and accumulates in the lower part of the cabinet 36 after the time when the waste bag 49 is replaced, the cover 52 is first rotated clockwise by the arm 54 of the opening / closing mechanism 51. The dust is collected in the lower part of the cabinet 36 by moving it, and the lower end of the cabinet 36 is closed, and the dust receiving container 50 is removed as described above. Replace the dust bag 49 with a new one. Then, the dust receiving container 50 containing the waste bag 49 is attached to the lower end of the cabinet 36, and the lid 52 is rotated counterclockwise through the arm 54 to open the lower end of the cabinet 36. The on-off valve 48 is opened to eject compressed air onto the air slider mechanism 45, and the dust accumulated on the air slider mechanism 45 is levitated from above the air slider mechanism 45. The dust that has surfaced eventually falls into the waste bag 49.

[0016]

[Effect of device]

 As is apparent from the above description, in the present invention, since the dust container with the waste bag inside is detachably attached to the lower part of the cabinet of the dust collector, the dust can be collected without raising it around the worker. Since it can be removed from the equipment, and the air-slider mechanism is configured at the bottom of the lower part of the cabinet and the opening / closing mechanism is installed at the lower end of the cabinet, it is temporarily necessary to discard the waste bag in the dust container. Even if dust escapes from the waste bag and remains in the lower part of the cabinet, the dust can be easily and reliably taken out, which is an excellent practical effect.

[Brief description of drawings]

FIG. 1 is a partially sectional front view showing an embodiment of the present invention.

FIG. 2 is a right side view of FIG.

[Explanation of symbols]

 5 Dust collector 36 Cabinet 45 Air slider mechanism 49 Waste bag 50 Dust receiving container 51 Opening / closing mechanism

Claims (1)

[Scope of utility model registration request] 1. A shot projection device and a shot collection case device are attached to a self-propelled device by joining them in a substantially V shape, and a shot discharge port of the shot collection case device and a shot supply port of the shot projection device are connected to each other. A separation device for separating shots and impurities from each other is provided between the shot projection device and the shot collection case device, and a dust collection device communicating with the separation device is mounted on the surface to be processed. In a mobile shot blasting equipment for treating a surface to be treated while moving and collecting shots projected, a lower part of a cabinet 36 of the dust collector 5 is formed in a downward tapered shape and is inclined in a downward gradient. Then, the air slider mechanism 45 is formed at the bottom of the lower slope portion, and the opening / closing mechanism 51 is attached to the lower end of the cabinet 36. Mobile shot-blasting equipment, characterized in that the waste bag 49 interior of the dust receptacle 50 is attached detachably.