JPH0829519B2 - Guillotine type cutting machine - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a guillotine type cutting machine, and is mainly used for cutting very large old tires.

[0002]

2. Description of the Related Art In a conventional guillotine-type cutting machine, an elevating part of a cutting blade is composed of a lateral U-shaped frame, and a cutting blade parallel to an upper horizontal frame of the frame is arranged to be vertically movable. Is convenient in that it can accommodate a wide range of diameters of old tires when it is used to laterally cut old tires, but the cutting resistance of super large old tires increases. In order to efficiently cut the old tire, technological development is required in terms of firmly supporting the cutting blade and strengthening the rigidity of the frame.

[0003]

In view of the above, the present invention has been made.
(EN) A guillotine type cutting machine capable of strongly supporting a cutting blade during cutting processing, increasing the rigidity of a frame, and cutting a super large old tire in a normal direction with a strong cutting force.

[0004]

A guillotine-type cutting machine according to the present invention is a guillotine-type cutting machine having a cutting blade which is guided by an upper horizontal frame of a side-view U-shaped frame to move up and down. A column for opening and closing the opening is provided at the opening of the column, the lower end of the column is detachably attached to the lower horizontal frame, and one end of the cutting blade is vertically guided to the vertical frame. At the same time, the other end is guided up and down on the pillar.

[0005]

[Operation] The pillars that can be lifted and lowered by the upper horizontal frame wait for the rising end to open the opening when inserting a super-sized old tire, and open the openings at the tip of the upper and lower horizontal frames when cutting. And the other end of the cutting blade whose one end is vertically guided to the vertical frame is vertically guided.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Explaining one embodiment of the present invention, as shown in FIG. 1, on the upper surface of the upper horizontal frame 2 of the side-view U-shaped frame 1, hydraulic pressures are provided at two locations along the longitudinal direction of the upper horizontal frame 2. The cylinder 3 is erected, and the rod 4 of the hydraulic cylinder 3 is hung down through the upper horizontal frame 2 so that both rods 4
The cutting blade 5 is fixed to the lower end of the rod, and the upper horizontal frame 2 on the side closer to the opening 6 can move up and down the column 7 parallel to the axis of the rods 4 on a plane including the axes of the rods 4. The rod 9 of the hydraulic cylinder 8 attached to a fixed frame (not shown) that integrally joins the upper end of the column 7 to the upper horizontal frame 2.
2 is provided on the lower end of the lower horizontal frame 12 having the lower blade 11 integrally joined thereto, as shown in FIG. The rod 16 of the hydraulic cylinder 15 having the table 13 arranged and fixed to the lower sliding table 14 is joined to the upper sliding table 17 to form the upper sliding table 17
A projecting portion 18 projecting to the front end of the cutting blade 5 is detachably engaged with the projecting portion 10 of the supporting column 7, one end of the cutting blade 5 is vertically guided to the vertical frame 19, and the other end is vertically movable to the supporting column 7. I will guide you.

A guillotine-type cutting machine a thus constructed
Is a state in which the upper slide 17 is retracted to the retracted end (to the left in the figure) from the state shown in FIG. The cutting wheel part of (1) is inserted and placed on the upper surface of the lower blade 11, and then the column 7 is lowered to the descending end, and the upper slide table 17 is advanced to the forward end so that the projecting portion 10 of the column 7 is moved upward. Slide 17
Then, the two hydraulic cylinders 3 are synchronously operated to lower the cutting blade 5, and the old tire 2
0 is cut in the normal direction. After cutting, cutting blade 5
Pulling up only, rotating the old tire 20 by a predetermined amount, lowering the cutting blade 5 to cut, cutting the old tire 20 by sequentially repeating a series of these operations, and when the cutting is completed, the upper slide table 17 is retracted, the protruding portion 10 at the lower end of the column 7 is released, the hydraulic cylinder 8 is operated to pull up the column 7 to a predetermined rising end, and the next old tire 20 is cut off.

Another embodiment of the present invention will be described with reference to FIG. 3. On the upper surface of the upper horizontal frame 2 of the side-view U-shaped frame 1, hydraulic cylinders 3 are provided at two positions along the longitudinal direction of the upper horizontal frame 2. Standing vertically, the rod 4 of the hydraulic cylinder 3 is hung down through the upper horizontal frame 2, the cutting blades 5 are fixed to the lower ends of both rods 4, and the upper horizontal frame 2 on the side near the opening 6 is fixed. The pillar 7 is guided up and down in parallel with the axis of the rod 4 on a plane including the axes of the rods 4, and the pillar 7 is attached to a rotating wheel 21 rotatably positioned on the upper surface of the upper horizontal frame 2. Of the hydraulic cylinder 8 attached to a fixed frame (not shown) integrated with the upper horizontal frame 2 at the upper end of the column 7. Attach the rod 9 to the lower end of the column 7. A rectangular bar-shaped horizontal leg 24 is integrally formed, and a lower groove 12 into which the lower blade 11 is integrally joined has a notch groove 25 through which the leg 24 is inserted, and one end of the cutting blade 5 can be vertically moved to a vertical frame 19. Along with
The other end is guided up and down on the column 7.

The guillotine cutting machine b thus constructed
When the hydraulic cylinder 22 for rotation is operated from the state shown in FIG. 3 to rotate the rotary wheel 21 by 90 °, the support column 7 also rotates together with the rotary wheel 21, and the leg 24 integrated at the lower end of the support column 7 has a lower lateral portion. Notch groove 2 which is disengaged from the inner surface of frame 12
5, the hydraulic cylinder 8 is operated to raise the column 7 to the rising end, and in this state, the cutting wheel portion of the old tire 20 is inserted and placed on the upper surface of the lower blade 11, When the column 7 is lowered to the lower end, and the hydraulic cylinder 22 for rotation is operated to rotate the column 7 by 90 °, the leg 24 passing through the notch groove 25 engages with the inner surface of the lower horizontal frame 12, and Since the large diameter portion 26 at the upper end of the column 7 is positioned on the upper surface of the rotating wheel 21, the upper horizontal frame 2
The lower horizontal frame 12 is integrated with the lower horizontal frame 12 through the support column 7, and the rigidity of the opening 6 at the time of cutting is increased. In this state, the cutting hydraulic cylinder 3 is synchronously operated to stably lower the cutting blade 5 to cut the old tire 20 in the normal direction. After cutting
Only the cutting blade 5 is pulled up, the old tire 20 is rotated by a predetermined amount, then the cutting blade 5 is lowered to cut, and the series of operations are sequentially repeated to cut the old tire 20, and the cutting is completed. Then, the rotating wheel 21 is rotated by 90 ° to rotate the supporting column 7, and the leg 24 at the lower end is released from the engagement with the inner surface of the lower horizontal frame 12, and then the hydraulic cylinder 8 is operated to set the supporting column 7 to a predetermined position. Raised to the rising end of the next old tire 2
Wait for 0 disconnect.

As described above, according to the present invention, when the old tire 20 is cut, the opening 6 of the U-shaped frame 1 is formed by the pillar 7.
Since the upper horizontal frame 2 and the lower horizontal frame 12 are joined with each other, the rigidity is strengthened by a simple structure, and moreover, the cutting blade 5 is guided up and down by the vertical frame 19 and the support column 7 so that the cutting blade 5 is securely strengthened. Since it can be supported by, it can be cut with a strong cutting force. The present invention can be applied not only to the cutting process of the old tire 20 but also to a metal press or the like. In addition, as a technique incidental to the present invention, a technique of cutting the old tire 20 while pressing and flattening the old tire 20 with a pressing element while sandwiching the cutting blade 5 at the time of cutting the old tire 20 is easily conceived from the present invention.

[0011]

According to the guillotine type cutting machine of the present invention, the rigidity of the corner portions of the upper horizontal frame and the lower horizontal frame related to the opening of the guillotine cutting machine is strengthened and the cutting blade is raised and lowered at both ends only at the time of cutting. Since it is supported by, there is an effect that a very large old tire can be cut in a radial direction, that is, in a radial direction with a strong cutting force.

[Brief description of drawings]

FIG. 1 is a side view of a main part of a guillotine-type cutting machine a of the present invention.

FIG. 2 is a front view of a slide base.

FIG. 3 is a side view of a main part of a guillotine-type cutting machine b of the present invention.

[Explanation of symbols]

 1 U-shaped frame 2 Upper horizontal frame 3 Hydraulic cylinder 4 Rod 5 Cutting blade 6 Opening 7 Strut 8 Hydraulic cylinder 9 Rod 10 Protrusion 11 Lower blade 12 Lower horizontal frame 13 Sliding base 14 Lower sliding base 15 Hydraulic cylinder 16 Rod 17 Upper Sliding Table 18 Projection 19 Vertical Frame 20 Super Large Old Tire 21 Pivoting Wheel 22 Hydraulic Cylinder 23 Rod 24 Leg 25 Notch Groove 26 Large Diameter Area a Guillotine Cutting Machine b Guillotine Cutting Machine

Claims (1)

[Claims] 1. A guillotine type cutting machine having a cutting blade which is guided by an upper horizontal frame of a side-view U-shaped frame and is moved up and down so as to open and close the opening in an opening of the U-shaped frame. A strut is provided, a lower end of the strut is detachably engaged with a lower horizontal frame, one end of a cutting blade is vertically guided to a vertical frame, and the other end is vertically guided to the strut. The guillotine-type cutting machine is characterized in that the cutting blade is stably guided through the supporting column during cutting and the rigidity of the upper and lower horizontal frames is strengthened.