JP3196193B2 - Shot recovery case equipment for mobile shot blasting equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mobile type shot blasting apparatus for processing a surface to be processed while projecting shots on the surface to be processed such as a floor surface and collecting the shots. It relates to improvement of a case device.

[0002]

2. Description of the Related Art The applicant of the present invention has previously proposed, as one of such shot collecting case apparatuses, one disclosed in Japanese Utility Model Laid-Open Publication No. Hei 6-11963. This device is configured as disclosed in FIGS. That is, as shown in FIG. 6 which is a partial cross-sectional side view, a shot projecting device 2 provided with an impeller 1 and a shot collecting case device 3 connected to a dust collector (not shown) are joined at lower portions thereof and are schematically shown. It has a V-shape and is mounted on a self-propelled carriage (not shown). Auxiliary cases 7 are respectively suspended on both front and rear sides of a portion where the shot guide case 4 of the shot projecting device 2 and the shot collecting case main body 5 of the shot collecting case device 3 are joined (hereinafter referred to as a joining case 6). The auxiliary case 7 is configured to be vertically movable by inserting support pins 9, 9 protruding from the outer surface of the joining case 6 into vertically extending elongated holes 8, 8 formed in the side wall.

[0003] The joining case 6 is configured such that its lower end is located relatively high from the surface to be processed. Further, a rubber seal 10 for preventing a shot from jumping out is attached to the outer surface of the joint case 6.
Numeral 0 indicates a C-shape as a whole, and as shown in FIG. 5, the forward side of the equipment has a U-shape in vertical section, and is drawn inward by suction force generated in the shot collection case main body 5. It is not to be done. In order to prevent a shot from jumping out, a seal 10a is also attached to the outside of the seal 10 to form a double structure.

Further, in the shot collecting case device 3, a support shaft 11, which is directed in the front-rear direction, is rotatably mounted on the forward side (left side in FIG. 5) of the lower portion of the joining case 6, and the support shaft 11 The upper end of the rotating plate 12 is fixed, and when the lower end contacts the surface to be processed C, the rotating plate 12 rises leftward (in the forward direction of the facility) and is inclined in an inclined manner. An arm 1 is provided at one end of the support shaft 11.
3 is fitted on one end, and the other end of the arm 13 is
A tension coil spring 15 as an elastic member is connected to the shot recovery case main body 5 via an elastic member 4. In the vicinity of the tension coil spring 15 on the outer surface of the shot collection case main body 5, a downward cylinder 16 that presses the intermediate member 14 downward against the tension force of the tension coil spring 15 is pivotally supported. I have.

[0005] The apparatus having the above-described structure drives a dust collector (not shown) to generate an upward airflow in the shot collecting case main body 5 of the shot collecting case device 3. When the equipment is advanced in the direction of the arrow while projecting a shot by driving the projection device 2, the seal 10 advances while being prevented from being drawn inward by the auxiliary case 7 and the rotating plate 12, and the projected shot is Is reflected after hitting the surface to be processed C, and thereafter is raised and collected by the airflow flowing through the inside of the shot collection case main body 5. Thus, the surface to be processed C
If there is a relatively large protrusion W on the surface C to be processed during the processing, the rotating plate 12 rotates counterclockwise against the tension of the tension coil spring 15 and It will ride on the thing W.

Therefore, even if there is a projection W, the equipment can move forward. After passing through the position where the projection W is located, the rotating plate 12 is pulled by the tension coil spring 1.
It returns to the original state by the pulling force of 5. When the equipment is to be retracted, the cylinder 16 is extended and the tip of the intermediate member 14 is pressed downward, whereby the rotating plate 12 is rotated counterclockwise about the support shaft 11 as a fulcrum. Then, the lower end of the rotating plate 12 is raised from above the surface to be processed C so that the rotating plate 12 does not contact the surface to be processed C.

[0007]

However, in the conventional shot collecting case apparatus constructed as described above, the position between the seal 10 and the rotating plate 12 and the lower position of the joint case 6 on the surface to be processed are described. There is a problem in that the accumulated shots are leveled by the seal 10 when the equipment is retracted, so that the shots cannot be collected. The present invention has been made in order to solve the above problems, the shots accumulated at the position between the seal and the rotating plate on the surface to be processed and the lower position of the joining case, when retracting the equipment An object of the present invention is to provide a shot collecting case device in which a seal does not even out.

[0008]

In order to achieve the above object, a shot collecting case device according to the present invention is characterized in that a shot projecting device and a shot collecting case device are joined in a substantially V-shape to collect a projected shot. A shot collecting case device in a mobile shot blasting facility configured to process a surface to be processed while the shot collecting case body is provided in the shot collecting case device and has a relatively high height from the surface to be processed. And an auxiliary case suspended vertically in the shot collection case main body, and an outer surface of a joint case formed by a joint between the shot projecting device and the shot collection case device. A seal mechanism that is positioned and mounted to prevent a shot from jumping out, With the lower end is provided to be vertically pivoted through the support shaft can be brought into contact with the treated surface in advance side,
When the lower end comes into contact with the surface to be processed, the rotating plate is inclined upwardly in the forward direction of the equipment, an arm having one end fitted to one end of the support shaft, and the arm attached to the shot collection case main body. A cylinder capable of pressing the arm so that the lower end of the rotating plate is raised, in a shot collecting case device in a mobile shot blasting facility, wherein the seal mechanism is configured to be vertically movable, and furthermore, vertically rotated A first seal, which is configured to be capable and surrounds a forward direction side of the equipment on an outer surface of the shot collection case main body;
A second seal surrounding the remaining portion, and a fork-shaped pressing member into which the arm can enter is screwed to the tip of the piston rod of the cylinder, and a mounting member of the first seal is An engaging member is provided on the extension line of the piston rod of the cylinder so as to be engageable with the pressing member.

[0009]

When the equipment is retracted, the cylinder is extended and the engaging member is pressed through the distal end of the pressing member, and the first seal is rotated to lower the equipment. Is raised from the surface to be processed, and the arm is pressed through the inner surface of the base of the pressing member, and the rotating plate is rotated to raise the lower end from the surface to be processed.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS One embodiment of the present invention will be described in detail with reference to FIGS. Members having the same structure and function as those in FIGS. 5 and 6 showing the prior art are denoted by the same reference numerals, and their description is omitted. As shown in FIG. 1, a sealing mechanism 10 for preventing a shot from jumping out is provided on an outer surface of the joint case 6 formed by a joint between the shot projecting device 2 and the shot collecting case device 3.
However, the seal mechanism 10 is located outside the auxiliary case 7 so as to be movable up and down, and the seal mechanism 10 includes a first seal 10a surrounding the forward side of the equipment on the outer surface of the shot collection case main body 5, The second seal 10b surrounds the remaining part.

Then, the first and second seals 10a, 10b
Is a first / second seal body 17 made of a rubber plate having a double structure.
a, 17b and the first and second seal bodies 17a, 17
The first and second mounting members 18a and 18b are attached to the first and second mounting members 18a and 18b, respectively. The first and second mounting members 18a and 18b are pivotally supported so as to be vertically rotatable. As shown in FIG. 2, a forked pressing member 19 into which the arm 13 can enter is screwed to the tip of the piston rod of the cylinder 16, and the cylinder 16 is attached to the first mounting member 18a. An engagement member 20 is provided on the extension line of the piston rod and is engageable with the pressing member 19.

When the equipment is retracted, the cylinder 16 is extended and the engaging member 20 is moved through the distal end of the pressing member 19, as shown by a two-dot chain line in FIG. Is pressed, the first seal 10a is rotated clockwise to raise the lower end thereof from the surface to be processed C, and the arm 1 is moved through the inner surface of the base of the pressing member 19.
3, the rotating plate 12 is rotated counterclockwise to raise its lower end from the surface C to be processed. As a result, the lower ends of the first seal 10a and the rotating plate 12 are positioned higher than the shots accumulated on the surface C to be processed.

[0013]

As is apparent from the above description, according to the present invention, the seal mechanism is configured to be vertically movable, and is further configured to be vertically rotatable, and is provided with equipment on the outer surface of the shot collecting case main body. It comprises a first seal surrounding the forward direction side and a second seal surrounding the remaining part, and a fork-shaped pressing member into which the arm can enter is screwed onto the tip of the piston rod of the cylinder. And, since the engaging member which is located on the extension of the piston rod of the cylinder and is engageable with the pressing member protrudes from the mounting member of the first seal, the cylinder is extended to operate to extend the pressing member. Pressing the engaging member through the tip, rotating the first seal to raise the lower end from the surface to be processed, and pressing the arm through the inner surface of the base of the pressing member, the rotating plate Rotate it Since the lower end can be raised from the surface to be processed to be higher than the shot on the surface to be processed, it is possible to prevent the retreating first seal and the rotating plate from striking the shot. It works.

[Brief description of the drawings]

FIG. 1 is a partially cutaway front view showing a main part of a first embodiment of the present invention.

FIG. 2 is a view taken along the line AA of FIG. 1;

FIG. 3 is a view taken in the direction of arrows BB in FIG. 1;

FIG. 4 is a view taken in the direction of arrows D-D in FIG. 1;

FIG. 5 is a partially cutaway front view showing a main part of the conventional device.

6 is a view as viewed in the direction of arrows AA in FIG. 5;

[Explanation of symbols]

 5 Shot recovery case main body 10 Seal mechanism 10a, 10b First and second seals 13 Arm 16 Cylinder 17a Mounting member 19 Pressing member 20 Engaging member

──────────────────────────────────────────────────続 き Continuing on the front page Examiner Masaaki Sasaki (56) References JP-A-61-46156 (JP, A) JP-A-57-8075 (JP, A) JP-A-6-11963 (JP, U) ( 58) Field surveyed (Int.Cl. ⁷ , DB name) B24C 3/06

Claims (1)

(57) [Claims] 1. A shot collection in a mobile shot blasting facility in which a shot projection device 2 and a shot collection case device 3 are joined in a substantially V-shape to process a surface to be processed while collecting projected shots. Case device 3
A shot collecting case main body 5 provided in the shot collecting case device 3 and having a relatively high height from a surface to be processed; and an auxiliary case suspended vertically in the shot collecting case main body 5. 7, a seal that is mounted on the outer surface of the joint case 6 formed by the joint between the shot projecting device 2 and the shot collecting case device 3 and that is located outside the auxiliary case 7 to prevent a shot from jumping out. A mechanism 10 and a lower portion inside the shot collection case main body 5 are provided on the forward side of the equipment so as to be vertically rotatable via a support shaft 11 so that the lower end can contact the surface to be processed, and the lower end can contact the surface to be processed. A rotating plate 12 that is inclined upward in the forward direction of the equipment when contacted, an arm 13 having one end fitted to one end of the support shaft 11, and the shot collection case main body 5. Pressing the arm 13 as the lower end of the throw to the rotary plate 12 is raisable cylinder 16
In a shot collecting case device in a mobile shot blasting facility comprising:
A first seal 10a which is configured to be vertically movable and which is configured to be vertically rotatable and surrounds the outer side surface of the shot collecting case body 5 in the forward direction of the equipment; and a second seal 10b which surrounds the remaining portion. A bifurcated pressing member 19 into which the arm 13 can enter is screwed to the tip of the piston rod of the cylinder 16, and the cylinder 16 is attached to the mounting member 18a of the first seal 10a. A shot collecting case device in a mobile shot blasting facility, wherein an engaging member 20 which can be engaged with the pressing member 19 is provided so as to protrude from an extension of the piston rod.