JP2506795Y2 - Shaped steel cutting equipment - Google Patents

Description

[Detailed description of the device]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cutting device for deforming cross-section members generally called shaped steels such as H-shaped steel, C-shaped steel and L-shaped steel.

[0002]

2. Description of the Related Art Since a modified cross-section member of this kind is formed by assembling a plurality of surfaces, it is difficult to cut it from a vertical or horizontal direction. Therefore, the cutting blade is engaged with the deformed cross-section member from an oblique direction to cut. Conventionally, the following is generally known as a cutting device for such a modified cross-section member, that is, a shaped steel.

A cutting device described in Japanese Utility Model Publication No. 47-20781. The cutting tool used here is integrally formed, and the outer shapes of the fixed tool and the movable cutting tool are different. Also, if the blade is replaced according to the shape and size of the shaped steel, it is possible to cut other shaped steel.

A cutting device described in Japanese Patent Laid-Open No. 2-109625. The blade used here has the same configuration as described above. The shear blades attached to the fixed base and the movable base are formed to have the same outer shape.

A cutting device described in JP-A-55-96215. The blade used here is configured by separately mounting only the necessary cutting blades on the blade mounting base. The fixed blade and the movable blade have the same shape and can be used as both fixed and movable blades.

[0006]

[Problems to be solved by the present invention] However, in the cutting device described in and in the section [Prior Art],
It is necessary to replace the blade for each size of shaped steel. For example, even if the height and width are the same, if the wall thickness of the shaped steel changes, it is necessary to replace the blade (whole). Also, when the height changes, it is necessary to replace the blade.

Further, in the cutting device described above, it is sufficient to replace only the blade portion with respect to the change in wall thickness. However, when the height changes, another tool mount for mounting the tool is required. Moreover, since the blade is divided, the number of man-hours for reassembling increases, which is very inefficient.

As described above, in the conventional cutting apparatus, it is necessary to arrange a new blade or a blade mounting base depending on the shape even if the shape steel has the same shape. Further, it is necessary to prepare the blade and the blade mounting base for each size. Therefore, the cost becomes high and the blade replacement period is long. Further, in the case of changing the wall thickness, it is sufficient to replace only the blade portion, but it takes a lot of time to reassemble.

The present invention has been made in view of the above-mentioned circumstances, and its purpose is to reduce the number of types of tool mounts to be held and new production, which is required due to the difference in size of shaped steel to be cut, or It is an object of the present invention to provide a shaped steel cutting device capable of reducing the manufacturing processing cost of a cutting blade and reducing the number of blade reassembling steps.

[0010]

According to the cutting device of the present invention, the cutting device has a hole of the same shape that is slightly larger than the shaped steel to be cut, and a pair of fixed blades and movable blades are closely connected to each other. A fixed type and a movable type, in which a hole type blade provided facing, a through hole of a different shape capable of penetrating the shaped steel and absorbing the dimensional change thereof, and a mounting seat for mounting by incorporating the hole type blade are formed. And a set of blade mounts.
Further, the pair of hole type blades incorporated in the mounting seats of the respective blade mounting bases are formed to have the same outer dimensions, and the mounting seats of the blade mounting bases can be changed in size by mounting the auxiliary blocks. So that various hole type blades of different sizes can be installed.

With such a structure of the hole type blade having the same outer dimensions for both movement and fixing, and the mounting seat having the irregular through hole capable of absorbing the dimensional change and incorporating various hole type blades with the auxiliary block. Reduce the types of tool mounts required and the new manufacturing of tool mounts, which are required due to the different sizes of shaped steel to be cut. Further, it is possible to reduce the manufacturing processing cost of the cutting blade and the number of man-hours for changing the blade.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The cutting apparatus for shaped steel of the present invention will be described below with reference to the illustrated embodiments.

The cutting device 1 (see FIGS. 1 and 2) has a hole die 3 of the same shape which is slightly larger than the shaped steel 2 to be cut, and a set of fixed blades 4 and movable blades 5 are in close contact with each other. With a hole-shaped blade 6 provided opposite to each other and a through-hole 7 of a different shape that can penetrate the shaped steel 2 and absorb the dimensional change (see FIG. 3)
And a mounting seat 8 for mounting by incorporating the hole type blade 6
And is provided with a set of blade mounts 9 for fixing and moving. In addition, the whole apparatus of the cutting device 1 is shown in FIG.

Further, the pair of hole type blades 6 incorporated in the mounting seats 8 of the pair of blade mounting bases 9 are formed to have the same outer dimensions, and the mounting seats 8 of the blade mounting base 9 are auxiliary blocks. The size of the tool 10 can be changed by attaching the tool 10, and various hole-type blades 6 having different sizes can be incorporated.

The shaped steel 2 in this embodiment is an H-shaped steel, and the hole die 3 of the hole type blade 6 and the through hole 7 of the blade mount 9 are also formed for the H type steel. If the hole type 3 of the hole type blade 6 is formed in a substantially C or L shape,
It is also possible to cut a substantially C-shaped or L-shaped shaped steel.

Here, the through hole 7 in the mount 9 has a substantially inverted T shape so that the lower portion can penetrate the flange and the web of the H-shaped steel, and the upper portion has a rectangular shape so as to absorb the dimensional change of the shaped steel 2. Has been formed. In addition, the blade mount 9
The mounting seat 8 of is a hole type blade 6 which is slightly larger than the shaped steel 2.
Is formed so that it can be assembled, and is formed to be slightly larger than the through hole 7.

The hole type blade 6 is fixed by a bolt (not shown) screwed into each screw hole 8a (see FIG. 2) of the mounting seat 8 in the blade mounting base 9, and is of an integral type and symmetrical. It can be used for both the fixed blade 4 and the movable blade 5. As shown in FIG. 1 and FIG. 2 (A), this hole type blade 6 is for integrally forming a large size steel which is incorporated into the entire mounting seat 8 and FIG. As shown in (), the one for small size shaped steel to be incorporated together with the auxiliary block 10 is prepared, and it is possible to change the size of the shaped steel 2. As shown in FIG. 4, the size change of the shaped steel 2 is performed by the hole type blade 6
Even if the outer dimensions are the same, it is possible to deal with it by changing the hole die 3.

Although FIG. 2 shows an example in which the hole type blade 6 which is the fixed blade 4 is incorporated in the mounting seat 8 of the fixed blade mounting base 9, the movable blade mounting as shown in FIG. When the hole type blade 6 as the movable blade 5 is incorporated in the mounting seat 8 of the table 9, the same operation is performed as when the hole type blade 6 as the fixed blade 4 is incorporated.

In the cutting of the shaped steel 2 by the cutting device 1 having such a structure, the shaped steel 2 is penetrated into the hole die 3 of the hole type blade 6 incorporated in the mounting seat 8 of the blade mounting base 9. . After that, in a state where the shaped steel 2 is penetrated into the hole die 3, the hole die 6 for the movable blade 5 incorporated in the blade mount 9 for movement is reciprocally moved at a constant angle.

By the reciprocating movement of the hole type cutting tool 6 for the moving blade 5, one set of the shaped steel 2 for the fixed blade 4 and the moving blade 5 are provided closely facing each other. The cutting can be done.

The blade mount 9 can hold shaped steel of a certain height as a group. The same blade mount 9 can be used in the group. Further, in the embodiment of the present invention, the height of the shaped steel corresponds to the type of 80 to 250, but if the size is larger than that, there is much waste, so it is better to make another tool mount.

[0022]

EFFECTS OF THE INVENTION In this invention, a double structure in which only the blades necessary for cutting are incorporated in the blade mount. Therefore, it is necessary to replace the blade according to the size of the shape steel, but since the hole type blade only needs the size necessary for the shape steel to be cut, the cost of the blade can be reduced and the weight of the blade can be reduced. It is possible to improve workability. The blade cost reduction and the blade weight reduction are 1/4 to 1/6 of the cutting device described in the section [Prior Art], respectively.

Further, since it is necessary to change only the blade when changing the size of the shaped steel, it is possible to reduce the number of types of blade attachments to be held, and to move by incorporating the blade attachment for attaching the movable blade in this blade attachment. A freely supporting box (not shown) can be reduced.

That is, regarding the blade mount, when the height of the shaped steel is 80 to 250, it is 80,100,110,120,12 in the conventional case.
5,150,175,200,250 such as dedicated blades (the blade has the same shape as the blade mount) and blade mounts incorporating the blades (separated blades are attached) were required. 80-250
In between, one type of tool mount can be used. Also, regarding the above-mentioned box, in order to reduce the cost of cutting tools, there were two types of large and small shaped steel with a height of 80 to 150 and a height of 175 to 250, but make it one type. You can

[Brief description of drawings]

FIG. 1 is a schematic perspective view showing a shape steel cutting device of the present invention.

FIG. 2 (A) is a developed perspective view of a blade mounting base in the shape cutting device of the present invention, and FIG. 2 (B) is a schematic view showing another mode of the hole type cutting tool in the shape cutting device of the present invention. is there.

FIG. 3 is a schematic front view showing a blade mount for movement in the cutting device of the present invention.

FIG. 4 is a schematic view showing another embodiment of the hole type blade in the shape cutting apparatus of the present invention.

FIG. 5 is a schematic perspective view showing the entire cutting device of the present invention.

[Explanation of symbols]

1 ... Cutting device, 2 ... Shaped steel, 3 ... Hole type, 4 ... Fixed blade, 5 ...
Moving blade, 6 ... Hole type blade, 7 ... Through hole, 8 ... Mounting seat, 8a
… Screw holes, 9… Tool mounting base, 10… Auxiliary block.

Claims (1)

(57) [Scope of utility model registration request] 1. A pair of hole cutters having a hole mold of the same shape that is slightly larger than the shape steel to be cut is provided for the fixed blade and the moving blade so as to closely face each other, and into the hole mold. By moving the movable blade reciprocating at a constant angle in a state where the shaped steel is penetrated, there is provided a cutting device for cutting the shaped steel, wherein the shaped steel is capable of penetrating and absorbing a dimensional change thereof. , A mounting seat for mounting by incorporating the hole type blade is formed, and a set of blade mounting bases for fixing and moving is provided, and a set to be mounted on the mounting base of each blade mounting base. The hole type blades of No. 1 are formed to have the same outer dimensions, and the mounting seat of this blade mounting base can be changed in size by attaching an auxiliary block. Different hole types Cutting device in the form steel, characterized in that it is configured to be able to incorporate things.