JPH01171795A - Cutting machine - Google Patents

Abstract

PURPOSE:To enable cutting of a large article such as an old boat in a short time by providing blades on links of link pairs, and by providing a drive unit for separating two link connecting members each other positioned on a diagonal line of parallelogram link so as to. CONSTITUTION:Two link connecting members 36, 54, which are positioned on a diagonal line of a parallelogram link 24 by the action of a drive unit 60 so that the link 24, are respectively spaced and kept being open, and then waste (e.g., boat) 76 is inserted therein. Next, the two link connecting members 36, 54 are closed to each other, and then the link 24 is closed, and the waste 76 is cut by means of blades 74, 80 set on the respective links (32, 34), (44, 46) of link pair 26, 28.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a cutting machine for cutting large-sized waste materials such as aged boat cap wood and resin.

Conventional Techniques When large-sized waste is incinerated or otherwise treated, it may not be possible to treat it as it is. For example, items such as boats that are large both laterally and longitudinally are inconvenient to transport to a treatment facility such as an incinerator when disposing of them.
It is also difficult to process. Therefore, conventionally, an operator would cut the material using a tool such as a saw, and then transport the cut material to a processing device for processing.

Problems to be Solved by the Invention However, there are problems in that cutting such large-sized waste is difficult, time-consuming, and troublesome.

Means for Solving the Problems The present invention has been made to solve the above problems, and its gist is to connect one of the two link connecting parts located on one diagonal of the parallelogram link to the main body. The two pairs are fixed to the frame and connected to the main body frame via a drive device that causes the other link connecting portion to approach and move away from the one link connecting portion, and are connected at each of the two link connecting portions. A blade is provided on a surface of each link constituting at least one of the link pairs opposite to each link constituting the other link pair.

Function and Effect: According to the cutting machine configured as described above, large-sized waste can be easily cut. First, the two link connections of the parallelogram link are moved apart by a drive device to keep the link open and the waste material is inserted therein.

When the drive device is actuated to bring the two link connections closer together, the parallelogram links close and the waste material is cut by the blades attached to each link of the pair of links. The cut waste can be easily transported to a treatment device such as an incinerator for treatment.

As described above, according to the cutting machine of the present invention, large-sized articles can be easily cut in a short time, and work costs can be reduced.

Embodiments Hereinafter, embodiments of the present invention will be described in detail based on the drawings.

In FIGS. 1 and 2, 1o is the main body frame of the cutting machine. The main frame 1o includes an upper frame 12. which extends in the horizontal direction. Lower frame 1 parallel to upper frame 12
4. It consists of a pair of columns 16 that connect the two frames 12 and 14, and legs 18 that extend in a direction perpendicular to the lower frame 14, and the upper frame 12. The lower frame 14 and the struts 16 are constructed by two hollow members each having a rectangular cross section arranged in parallel. Wheels 20, 22 are attached to both ends of each leg 18, and the right wheel 22 in FIG. 1 is a wheel with casters to facilitate movement of the cutting machine.

A parallelogram link 24 is attached to the main body frame 10. Parallelogram link 24 connects upper frame 12
It consists of a first link pair 26 located on the side and a second link pair 28 located on the lower frame 14 side, and both ends of the first link pair 26 and the second link pair 28 are connected to a pair of pins 30. are rotatably connected. Each link 32, 34 of the first link pair 26 is rotatably connected at a first link connecting portion (hereinafter simply referred to as a connecting portion) 36. The connecting portion 36 includes a U-shaped connecting member 38, whose pair of side walls are rotatably connected by a pin 40 so as to straddle one end of each link 32,34. Auxiliary members 41 are attached to the lower ends of both side walls of the connecting member 38.
is fixed, and a blade 42 is attached to the lower surface of this auxiliary member 41. The blade 42 is made of a bar with an isosceles triangular cross-sectional shape, and its base is brought into close contact with the auxiliary member 41 and fixed with a bolt. The head of the bolt is housed in the counterbore so that it does not protrude beyond the blade surface.

On the other hand, each link 44.46 of the second link pair 28 is comprised of two link members 48.50 and has a length of 1,-s. 2
The book link member 48 extends from the link 32 of the first link pair 26 to a pair of spacers 52, as shown in FIG.
They extend parallel to each other and are spaced apart from each other by a certain distance, and are connected to the link 32 by the pin 30. Similarly, the two link members 50 are connected to the first link pair 2.
6 link 34. These links 44 and 46 are second link connecting parts (hereinafter referred to as vehicle connecting parts).
54. The connecting portion 54 includes two connecting members 56 fixed to the two rectangular hollow members constituting the lower frame 14, and the link members 48, 50 of each link 44, 46 are attached to each connecting member 56. pin 58
Both links 44 are rotatably coupled by
．． 46 are rotatably connected to each other. This connecting portion 54 and the connecting portion 36 are located on one diagonal line of the parallelogram link 24, and when both the connecting portions 36 and 54 are closest to each other, two links of the second link pair 28 Links 32.3 of first link pair 26 between members 48.50
4 is inserted.

The connecting portion 36 is connected to the upper frame 12 of the main body frame 10 via a hydraulic cylinder 60 that is a driving device. A plate 62 is hung between the central parts of the two rectangular hollow members constituting the upper frame 12, and this plate 62
A pair of cylinder supports 64 that rotatably support the hydraulic cylinder 60 are erected above. hydraulic cylinder 60
One end thereof passes through the center of the plate 62 and projects toward the parallelogram link 24, and the tip of the piston rod 6 is fixed to the connecting member 38.

In addition, the hydraulic cylinder 60 has a central portion supported by a cylinder support 6.
4 indicates the front-back direction (direction perpendicular to the paper in Figure 1)
The other end extends upwardly through a hexagonal plate 67 that connects the upper ends of the cylinder support 64. Plate 62.
The through hole 67 is sized to allow the hydraulic cylinder 60 to rotate through a small angle. Further, the hydraulic cylinder 60 and the cylinder support 64 are covered by a cylinder cover 68 fixed to the plate 62.

The hydraulic cylinder 60 is operated by pressure oil sent from a hydraulic stand 70 also placed on the upper frame 12. The hydraulic stand 70 is an integral structure of a hydraulic pump and a tank, and is controlled according to the operation of an operation panel 72 attached to a support 16 of the main body frame 10.

Each link 32 , 34 of said first link pair 26 is provided with a blade 74 on the side facing the second link pair 28 . Blade 74
are similar to the blades 42 provided on the connecting member 38 and are arranged in the same plane as the blades 42, so that when the two connecting parts 36.54 of the parallelogram link 24 are brought together, the blades 42 At the same time, the boat 76, which is a waste product, and is indicated by a two-dot chain line in FIG. 1 is cut. Also, link 3
A longitudinal reinforcing member 78 is welded to the surface of the 2.degree. 34 opposite the blade 74 to increase the bending strength of each link 32,34. Each pair of link members 48 and 50 of the second link pair 28 also has a blade 8 on the surface facing the blade 74.
0, and a reinforcing member 82 is attached to the outer surface of each link member 48,50. Further, the connecting members 56 also include blades 84 on their respective top surfaces, but the substantial cutting is performed by the blades 42.74, and these blades 80
84 serves to bite into the lower surface of the boat 76 and prevent the boat 76 from moving.

A safety bottle 86 is attached to each pair of columns 16 of the main body frame 10, and by inserting the safety bottle 86 into a through hole 88 provided in the column 16, it is possible to prevent the hydraulic cylinder 60 from malfunctioning by any chance. This prevents the parallelogram link 24 from closing more than partially when the piston rod 66 begins to extend. Further, a pair of protective frames 90 are attached to the side surfaces of the support column 16, and together with the safety bin 86, the safety of the workers is ensured.

In the cutting machine configured as described above, when cutting the boat 76, the connecting portion 36 is first pulled up by the hydraulic cylinder 60 and separated from the connecting portion 54, and the parallelogram link 24 is set in the most expanded state. Fix it with. Next, the boat 76 is inserted into the parallelogram link 24 and the operation panel 76 is inserted into the parallelogram link 24.
2 to operate the hydraulic cylinder 60. That is, by extending the piston rod 6, the first link connecting portion 3
6 toward the second link connection portion 54, thereby closing the parallelogram link 24, and as the blades 74 of the first link pair 26 and the blades 42 of the connection portion 36 are pushed downward, the boat 76 is cut from both corners of the top surface. At this time, the blade 80 of the second link pair 28
The blade 84 of the connecting portion 54 bites into the lower surface of the boat 76 to prevent the boat 76 from moving. When cutting both sides of the boat 76, the operating force of the hydraulic cylinder 60 is boosted by the lever principle, and the inclined blade 74 sequentially cuts the parts one by one, so the cutting is done with a relatively small force. In addition, the central part does not have a boosting effect and is difficult to cut because it is provided with a strength beam extending in the longitudinal direction.

However, in the device of this embodiment, after a certain amount of cuts are made on both sides, the central part is cut by the blade 42, and then the parts between the central part and both sides are cut, so the central part is also compared. Easy to cut. At the end of cutting, links 32 and 34 of the first link pair 26 are connected to link 4 of the second link pair 28.
4.46 is fitted between the respective link members 48 and 50, and the connecting portion 36 is fitted between the connecting portion 54, so that the first link pair 26 and the The two link pairs 28 become almost in a straight line, and the operation of the hydraulic cylinder 60 is stopped.

In this embodiment, blades 80 and 84 are provided on each link member 48, 50 of the second link pair 28 and the connecting portion 54, but these blades may be omitted. Further, in the parallelogram link 24 of this embodiment, the links 44 and 46 of the second link pair 26 each have two link members 48
．． 50, however, it is also possible to simplify it as in another embodiment shown below.

The parallelogram link 100 in FIG.
2 and a second link pair 104, each link pair consisting of links 106, 108 and links 110, 112. Link 106.1 of first link pair 102
08 has a blade 1 on the surface facing the second link pair 104, respectively.
It is equipped with 14. The pin 116 of the first link connection portion of the first link pair 102 and the pin 118 of the second link connection portion of the second link pair 104 are brought close to each other by a drive device (not shown), so that the pair of blades 114 form a parallelogram. The waste inserted into the link 100 is cut. The blades 114 of the links 106 and 108 are inside the parallelogram link 100, i.e. when the parallelogram link 100 is closed, the blades 114 of the second link pair 104
Since the cutting edges are formed closer to the sides that slide into contact with links 106, 110 and links 108.
112, no deviation occurs in the line of action of the force, no rotation moment acts on the waste material and the parallelogram link 100, and cutting is performed well.

The second practical side of the present invention has been explained above based on the drawings, but
In addition to this, the present invention can be implemented with various modifications and improvements based on the knowledge of those skilled in the art.

[Brief explanation of the drawing]

FIG. 1 is a front view showing a cutting machine which is an embodiment of the present invention. FIG. 2 is a side view of the cutting machine. FIG. 3 is a front view showing only the parallelogram link of a cutting machine according to another embodiment of the present invention, and FIG. 4 is a side sectional view thereof. 10; Body frame 24: Parallelogram link 26: First link pair 28: Second link pair 32.3
47 Link 36: First link connection part 42: Blade 44. 46: Link 48. 50: Link member 54: Second link connection part 60: Hydraulic cylinder 66: Piston rod 74, 80, 84: Blade 100: Parallelogram Link

Claims (2)

[Claims] (1) A drive device that fixes one of the two link connecting portions located on one diagonal of the parallelogram link to the main body frame, and moves the other link connecting portion toward and away from the one link connecting portion. of the two link pairs connected at each of the two link connecting parts, each link constituting at least one link pair, and each link constituting the other link pair. A cutting machine characterized by having blades on opposing surfaces. (2) One link pair of the two link pairs is composed of two link members each extending parallel to each other at a constant interval, and each link of the other link pair is a link member of the two link pairs. Claim 1, wherein the blade can be fitted between the two link members when the connecting portions are brought closest to each other, and each link constituting the other pair of links is provided with the blade. Cutting machine as described.