KR101363705B1 - Grinder for eliminating of dry paint film - Google Patents

Abstract

The present invention relates to a grinder for eliminating a film of paint provided in a housing of a skid loader, which is a multi-purpose construction equipment, eliminating road mark or waterproofing membrane by grinding the road surface, and sucking and collecting dust generated at the time of the elimination in a dust storage box provided in the rear of a skid loader. The grinder for eliminating a film of paint includes: a rectangular dust prevention plate mounted in the end part of the housing of the skid loader and opening the upper and lower parts thereof; a driving unit which is composed of a hydraulic motor and a gear box vertically coupled, wherein the gear box is mounted in the dust blocking plate so that the opening space of the dust prevention plate is sealed, and the gear box has a pair of grinder shafts geared and coupled to the rotating shaft of the hydraulic motor; a grinding unit which is composed of a grinder disk and a grinder beat coupled to each other, wherein the grinder disk is fixed to the lower part of the grinder shaft to be attached or detached, and the grinder beat are concentrically formed on the lower surface of the grinder disk in plural; and a dust collecting unit which is composed of a dust absorber and a dust storing box mutually connected by a pipe, wherein the dust absorber is connected with a sealed space composed of the dust prevention plate and the gear box by the pipe while fixed to the upper part of the gear box, and the dust storing box is arranged on the rear side of the skid loader.

Description

Grinder for eliminating coating film {Grinder for Eliminating of Dry Paint Film}

The present invention relates to a film removing surface grinder, and more specifically, is provided in the housing of the skid loader (Skid Loader), which is a multi-purpose construction equipment, and skid loader removes the road markings or waterproofing membrane, and sucks dust generated during removal It relates to a film removing surface grinder collected in the dust storage box formed at the rear of the.

When roughing the film removing surface grinder for removing the road marking or waterproof film, it can be roughly classified into a drum type and a disk type according to the shape of the surface grinder.

The drum face grinder is equipped with a drum equipped with a plurality of face bits welded fixed on the circumference. The unevenness or coating of the concrete can be removed by rotating the drum by the hydraulic rotational force provided by the heavy equipment. However, since the grinding bit fixed to the circumferential surface of the drum is welded, there is a limit to performing a precise grinding operation, so that a separate surface selection operation is usually performed.

The disk-type face grinder, in which a plurality of face bits are welded and fixed, is mounted on a carrier equipped with a drive motor, and the work is performed by the operator pushing the carrier.

In both methods, dust generated during the work is poor in the working environment, and there is a problem in that dust deposited on the road surface needs to be removed with water. In this case, water pollution may be a problem because water containing dust is discharged to the stream.

As a prior art to improve the problems of the wet grinding operation as disclosed in the Korean Utility Model No. 20-2011-0004186 (Registration Date: 2011.04.27.), Figure 1 is a cross-sectional view showing the prior art. . Referring to Figure 1, the technique consists of a face grinder (3) having a hollow shaft (2) to rotate in the belt drive under the drive motor (1), the suction and collecting dust through the hollow shaft (2) It is characterized by.

However, the prior art has to carry out the dusting and dusting at the same time with one drive motor in the carrier, and to store the dust collected. Therefore, there is a limitation in providing a large-capacity driving motor capable of performing a rapid film removal operation on the carrier moved by the attraction.

KR 20-2011-0004186 U 2011.04.27.

The present invention has been made to solve the problems of the prior art, the problem to be solved in the present invention is to provide a film removing surface treatment machine that can perform the coating film removal and dust suction operation at the same time. .

In addition, the problem to be solved by the present invention is to provide an excellent surface film removal surface grinding machine that is excellent in durability of the grinding bit, and can efficiently suck dust.

To solve the above problems, the film removing surface grinder of the present invention includes: a rectangular dust shield plate mounted on a housing end of a skid rod and having an upper and lower openings; It consists of a hydraulic motor and a gear box coupled up and down, the gear box is mounted inside the dust blocking plate so that the open space of the dust blocking plate is sealed, the rotation shaft and the gear of the hydraulic motor inside the gear box. A power unit having a pair of shaping shafts coupled; Comprising a grinding disk and a grinding bit coupled to each other, wherein the grinding disk is detachably fixed to the lower end of the grinding shaft, the grinding bit is a plurality of grinding surface is formed concentrically on the lower surface of the grinding disk; And a reducer and a dust storage unit connected to each other by pipes, wherein the reducer is connected to a sealed space formed by the dust blocking plate and the gear box in a fixed state at an upper portion of the gear box, and stores the dust. Characterized in that consisting of; dust rejection is arranged behind the skid loader.

In addition, the film removing surface of the present invention is characterized in that the grinding bit is made of a bag that is fixed at a predetermined inclination angle to the grinding disk and a carbide tip that is rotatably inserted fixed to the bag.

In addition, the surface film removing surface of the present invention is characterized in that the suction port of the dust rejection is inserted and fixed to the dust blocking plate in a state arranged in a straight line with the boundary line of the surface in order to suck the dust effectively.

According to the present invention, since the grinding operation and the suction operation can be performed at the same time through the grounding portion and the suction port provided in the sealed space of the dust barrier plate, the film removal can be performed quickly, and it is necessary to use water for dust removal. There is no follow-up work to remove moisture and there is an environmentally friendly advantage.

In addition, according to the present invention, since the wear portion of the carbide tip is dispersed through the freely rotated carbide tips it is possible to improve the durability of the face bit.

In addition, according to the present invention, since the boundary line and the suction port of the faceted portion are disposed in a straight line in the sealed space of the dust barrier plate, the dust can be sucked effectively, so that the dust suction operation can be performed quickly.

1 is a front view showing a face grinder according to the prior art.
Figure 2 is a side view showing a surface film removing surface in accordance with the present invention.
Figure 3 is a front sectional view showing the main portion of the surface film removing surface in accordance with the present invention.
Figure 4 is a side view showing the main portion of the surface film removing surface in accordance with the present invention.
Figure 5 is a schematic diagram showing an embodiment of the surface film removal surface treatment machine according to the present invention.
Figure 6 is a plan view showing the surface of the surface of the film removal surface in accordance with the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2 is a side view showing a surface film removing surface in accordance with the present invention. Referring to FIG. 2, the present invention provides a dust blocking plate 10 provided at the front of the skid loader 100, a power unit 20 and a faceting unit 30 provided in the dust blocking plate 10. The dust blocking plate 10 is made of a dust rejection 40 is connected to the pipe. According to the present invention, in the sealed space (A) formed by the dust barrier plate 10 and the power unit 20 is carried out at the same time the grinding and dust removal operation can be carried out to remove the coating film quickly.

Figure 3 is a cross-sectional view showing the main portion of the film removing surface in accordance with the present invention, Figure 4 is a side view showing the main portion of the film removing surface in accordance with the present invention. 2 to 4, the skid loader 100 is a general purpose construction equipment generally used in construction sites, while providing power to the power unit 20 with a built-in hydraulic pump, while the chamfer ( Advancing 30) is performed to remove the film.

To this end, a pair of housings 120 are formed on both sides of the skid loader 100, and the dust barrier plate 10 is fixed to an end of the housing 120. However, when excessively roughing the coating film formed on the curved road surface may damage the expensive grinding bit 34, a buffer means (not shown) with a built-in spring, etc. end of the housing 120 and the dust barrier plate 10 It may be further provided between. The housing 120 is moved up and down on the road surface by a hydraulic cylinder, so that the coating film removing surface treatment machine can be removed from the state in close contact with the road surface.

The dust barrier plate 10 is formed in a rectangular shape in which top and bottom openings are formed, and both sides are fixed to the housing 120 to be parallel to the road surface. In addition, the gearbox 24 of the power unit 20 is mounted inside the dust blocking plate 10 so that the open space of the dust blocking plate 10 is sealed, thereby forming a sealed space A at the bottom. . As the surface is made in the closed space A, dust is prevented from being scattered, and dust is effectively absorbed by the reducer 42 of the dust rejection 40 to be described later.

In this case, the sealing film 12 may be further provided around the lower portion of the dust blocking plate 10 in order to prevent dust from scattering and maximize the dust absorption efficiency. That is, in order for the skid loader 100 to smoothly move on the road having irregularities, the dust blocking plate 10 and the road surface need to have a predetermined gap, but the larger the gap, the greater the leakage of dust and the reducer 42. ) Suction efficiency can be reduced. Therefore, the sealing film 22 is formed of a flexible rubber plate or the like to maximize the sealing property of the sealed space A.

The power unit 20 receives the hydraulic pressure from the hydraulic pump of the skid loader 100 serves to rotate the grinding disk 32 of the surface unit 30, the hydraulic motor coupled to each other up and down for this purpose ( 22) and gearbox 24.

The rotating shaft of the hydraulic motor 22 is supported on the upper and lower surfaces of the gear box 24, the gear is formed on the rotating shaft.

A hole is formed in the upper portion of the gear box 24 so as to supply lubricating oil to the gear provided therein, and the side surface of the dust blocking plate 10 to seal the open space of the dust blocking plate 10 as described above. ), And a pair of faceted shafts 26 are formed in a form in which bearings 23 are supported on upper and lower surfaces of the gear box 24. In addition, the lower end portion of the grinding shaft 26 is detachably fixed to the grinding disk 32 of the grinding portion 30 in a state protruding out of the gear box 24.

One side is connected to the gear of the hydraulic motor 22 in the state in which the gear shaft is formed in the gear shaft. In addition, the gears of the planar shaft 26 are geared to each other, the rotation is made in the opposite direction by the rotation of the hydraulic motor 22. Through this, the dust removed by the surface can be easily sucked into the reducer 42 to be described later.

That is, as shown in FIG. 5, when the inlet port 43 of the pipe is aligned in line with the boundary line B of the faceting portion 30 provided at the lower ends of the both faceting shafts 26, they rotate in opposite directions. It is possible to effectively collect the dust concentrated on the boundary line (B) by the chamfer (30).

As shown in FIG. 4, it is necessary to have a predetermined inclination angle θ at both sides of the gearbox 24 so that dust can be easily discharged backwards. Emissions can vary.

Therefore, the hinge fixing portion 25 is formed at the front of the gear box 24 so as to be rotatable with respect to the dust blocking plate 10 so that the inclination angle can be varied according to the working conditions, and a plurality of screws are formed at the rear in the vertical direction. The fastening hole 27 may be provided. That is, when the selected fastening hole 27 and the dust barrier plate 10 are fixed among the plurality of fastening holes 27, the faceting part 30 may perform the face work while forming a predetermined inclination angle θ on the road surface. Will be.

Figure 6 is a plan view showing the surface of the surface of the film removal surface in accordance with the present invention. 3 and 6, the chamfer 30 serves to remove the road marking or waterproof membrane, for this purpose is composed of a chamfering disk 32 and the chamfering bit 34 to be coupled to each other.

Each of the grinding discs 32 is formed at right angles to the traveling direction of the grinding, and arranged to be adjacent to each other so that the grinding can be carried out at the boundary of the two grinding discs 32. In addition, when removing a narrow coating film, such as lane markings on the road, the upper portion of the grinding disk 32 can be attached to or detached from the lower end of the grinding shaft 26 so that the removal operation can be performed only by the one side grinding portion 30. It is preferable to make it secure.

The chamfering bit 34 is formed in a plurality of concentric circles on the lower surface of the chamfering disk 32, each chamfering bit 34 is fixed to the chamfering disk 32 at a predetermined inclination angle (35) And it consists of a tungsten carbide tip 36 which is inserted and fixed to the bag 35 detachably.

The cemented carbide tip 36 is an expensive member and needs to increase its durability. Accordingly, it is preferable that the cemented carbide tip 36 is rotatably fixed to the bag 35 so that wear is evenly distributed around the tip.

The dust rejection 40 serves to collect the dust discharged to the rear of the face grinder 30, for this purpose consists of a reducer 42 and a dust storage box 44 connected to each other pipe.

The reducer 42 having a built-in motor is connected to a closed space A inside the dust blocking plate 10 in a fixed state at the top of the gear box 24 by a pipe, in which case it is effective as described above. The suction port 43 of the pipe is disposed in a line with the boundary line B of the faceted portion 30 for the suction.

The dust storage box 44 serves to store the dust flowing from the reducer 42, and a discharge port (not shown) provided with a filter net for smooth discharge of air introduced with the dust is formed thereon. .

The dust storage box 44 is preferably provided at the rear of the rod, in order to achieve a stable weight balance in the front and rear direction of the rod as the weight of the dust is increased.

According to the present invention, in the lower sealed space (A) of the dust barrier plate 10 is carried out at the same time the grinding operation and the suction operation can be carried out to remove the coating film quickly. Therefore, the film removal time is shortened, and the removal cost is reduced.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but, on the contrary, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.

100: skid loader 120: pressurized housing
10: Dust Blocking Plate
20: power unit
22: hydraulic motor 24: gearbox
26: grinding shaft
30: faceted part
32: grinding disc 34: grinding bit
40: rejection of decimals
42: reducer 44: dust storage

Claims (3)

In the coating film removal facer provided at the end of the housing 120 of the skid loader 100,
A rectangular dust blocking plate 10 mounted at an end of the housing 120 and having an upper and lower openings;
It consists of a hydraulic motor 22 and the gear box 24 coupled up and down, the gear box 24 is mounted in the dust blocking plate 10 so that the open space of the dust blocking plate 10 is sealed. A power unit 20 in which a pair of faceted shafts 26 are geared with the rotation shaft of the hydraulic motor 22 in the gear box 24;
Comprising a coupling disk 32 and a grinding bit 34 is coupled to each other, the grinding disk 32 is detachably fixed to the lower end of the grinding shaft 26, the grinding bit 34 is the grinding disk A plurality of face parts 30 formed concentrically on the lower surface of the 32; And
It consists of an reducer 42 and a dust storage box 44 connected to each other by the pipe, the reducer 42 is fixed to the upper portion of the gear box 24, the dust blocking plate 10 and the gear box ( Is connected to the pipe to the closed space (A) formed by the 24, the dust storage box 44 is made of dust rejection 40 is disposed behind the skid loader 100;
The suction port 43 of the dust rejection 40 is inserted into and fixed to the dust blocking plate 10 in a state in which the suction port 43 is disposed in a straight line with the boundary line B of the faceted portion 30 to effectively suck dust.
A hinge fixing part 25 is formed at the front of the gear box 24 so as to be rotatable with respect to the dust barrier plate 10, and a plurality of screw fastening holes 27 are provided at the rear thereof. Chipping machine.
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