JP2003225871A - Vice - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vice capable of securely and strongly holding a light shape steel by a small press-contacting force without damaging it by pressure, and providing constant and secure cutting. <P>SOLUTION: A fixed base 3 and a movable base 4 movable forward and backward are disposed to face each other on a table 2. Between the fixed base 3 and the movable base 4, a pair of movable pressure members 9a and 9b are disposed. The movable pressure members 9a and 9b are synchronously movable forward and backward respectively in the directions of the fixed and movable bases 3 and 4 by a screw mechanism 11 provided with right and left screws 16 and 17. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vise, and more particularly to a vise suitable for holding a lightweight steel for cutting.

[0002]

2. Description of the Related Art Conventionally, as a vise of this type, FIG.
Are known and will be described with reference to FIG. That is, in FIG. 7, reference numeral 51 is a table having a required width and length, 52 is a fixed base provided at one end of the table 51, and 53 is a fixed base 52. A movable mouthpiece disposed at the other end of the table 51 at a predetermined interval, and 54 is a feed screw mechanism for moving the movable mouthpiece 53 in the direction of the fixed mouthpiece 52 so as to move back and forth. Other,
Reference numeral 55 indicates a rotary saw, and A indicates a lightweight steel having a groove shape in cross section.

The conventional example constructed as described above is as follows.
After applying one side surface of the lightweight shaped steel A to the fixed base 52, the movable base 53 is fixed to the fixed base 5 by the feed screw mechanism 54.
It is movable in two directions, and it is a lightweight structural steel A between it and the fixed base 52.
Is clamped in a pressure contact state and held. After that, the lightweight shaped steel A is cut into a predetermined size by the rotary saw 55.

[0004]

By the way, as described above, in the conventional example, a light-weight shaped steel A formed by cold-rolling a steel plate having a thickness of 4 mm or less is provided between the fixed mouthpiece 52 and the movable mouthpiece 53. Since it is clamped and held in a pressure contact state, there is a risk that the lightweight shaped steel A will be pressure-drained during pressure contact, and it is not possible to press it so strongly. For this reason,
The pressure contact holding by the fixed / movable mouthpieces 52, 53 is apt to be insufficient, and when the rotary saw 55 is used for cutting, chattering or the like occurs and reliable cutting is difficult.

The present invention solves all of the problems of the conventional example at once, and it is possible to reliably and firmly hold the lightweight shaped steel without damaging the light-weight shaped steel with a small pressure contact force, and always perform reliable cutting. It is intended to provide a vise.

[0006]

That is, the invention according to claim 1 is characterized in that a fixed base and a movable base which can be moved back and forth are arranged on a table so as to face each other, and between the fixed base and the movable base. Is provided with a pair of movable pressing members, and each movable pressing member can be moved back and forth synchronously in a corresponding fixed / movable mouthpiece direction by a screw mechanism having left and right screw portions. The vice is the gist.

According to the first aspect of the present invention, both sides of the light weight shaped steel are clamped from outside by a fixed / movable mouthpiece in a pressure contact manner, and the movable pressing members on both sides are moved by a screw mechanism. From the other side, it can be clamped between the fixed die and the movable die in a pressure contact state, so that the lightweight shaped steel can be surely and firmly held for cutting work without pressure loss of the lightweight shaped steel with a small pressure contact force.

The invention according to claim 2 is based on the vice according to claim 1, characterized in that each movable pressing member is arranged on the table so as to be movable back and forth with a predetermined gap. It is a thing.

Further, according to the second aspect of the present invention, even in the case of holding the light weight section steel with a lip such as the light weight lip groove section steel, the lip portion is released into the gap between the movable pressing member and the table. Fixing while eliminating the interference
The movable mouthpiece and the movable pressing member can surely hold it.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below based on an embodiment shown in the drawings. 1 to 6 show an embodiment of the present invention, in which 1 is a base and 2 is
Is a table having a required width and length arranged on the base 1 at a predetermined interval, 3 is a fixed base fixed to one end of the table 2, and 4 is the fixed base 3. The movable mouthpiece 5 arranged at the other end of the table 2 to accommodate the above is a feed screw mechanism that allows the movable mouthpiece 4 to move back and forth in the direction of the fixed mouthpiece 3, and 6 is the feed screw mechanism. A female screw portion 5 constitutes a screw shaft 7 having a required length, which is screwed into the female screw portion 6 so as to be screwed. The movable base 4 is pivotally attached to one end of the screw shaft 7. At the same time, the other end has a handle 8
Is installed. Reference numerals 9a and 9b denote a pair of movable pressing members on both sides arranged between the fixed base 3 and the movable base 4, and the movable pressing members 9a and 9b on both sides are slightly lower than the heights of the fixed and movable bases 3 and 4. A gap 10 having a required width is provided between the upper surface of the table 2 and the upper surface of the table 2. Reference numeral 11 designates a screw mechanism for moving the movable pressing members 9a, 9b on both sides so as to move forward and backward synchronously toward the corresponding fixed / movable mouthpieces 3, 4 respectively.
1 is a vertically elongated right female screw member and a left female screw member, and the upper end portion of the right female screw member 12 is one movable pressing member 9a.
The upper end portion of the left female screw member 13 is attached to the other movable pressing member 9b, and the left and right female screw members 12 and 13 are elongated guide holes 14 formed along the longitudinal direction of the table 2. It is slidable along. 15
Is a screw shaft screwed into the right female screw member 12 and the left female screw member 13 so as to be freely screwed. The screw shaft 15 has a right screw portion 16 and a left screw portion 1 corresponding to the left and right female screw members 12 and 13.
7 is formed and a handle 18 is attached to the free end.

Next, the operation of the embodiment configured as described above will be described. For example, as shown in FIG. 3, when holding the lightweight shaped steel A having the groove shape in the transverse cross section, first, the lightweight shaped steel A is placed downward on the table 2 and one side thereof is placed, as shown in FIG. After applying the outer surface to the fixed mouthpiece 3, the screw shaft 7 is rotated in a predetermined direction to move the movable mouthpiece 4 forward, and the lightweight shaped steel A is clamped between the fixed mouthpiece 3 and the fixed mouthpiece 3 from the outside. . At this time, the movable pressing members 9a and 9 on both sides
b is positioned in the lightweight steel A. After that, the screw shaft 15 is rotated in a predetermined direction to move the movable pressing members 9a and 9b on both sides forward in the corresponding fixed / movable mouthpieces 3 and 4, respectively, so that the movable mouthpiece 4 and the movable mouthpiece 4 are respectively moved between them. The light-weight shaped steel A is clamped and held from the inside in a pressure contact shape. At this time, both sides of the light-weight shaped steel A are pressed from the outside with the fixed / movable mouthpieces 3 and 4 so as to be clamped, and are pressed from the inside with the movable pressing members 9a and 9b to fix and move the mouthpieces 3.4. Since it is sandwiched between and, the lightweight shaped steel A can be securely and firmly held at all times with a small pressure contact force without causing pressure loss. When the holding of the lightweight steel A is completed, the rotary saw 55 is rotationally operated by a conventional method to cut the lightweight steel A into a predetermined size. At this time, since the lightweight shaped steel A is securely and firmly held, it can be surely cut without causing chattering. When the cutting of the light-weight shaped steel A is completed, the screw shafts 7 and 15 may be rotated in the opposite directions to move the movable mouthpiece 3 and the movable pressing members 9a and 9b on both sides backward, respectively, to release the holding.

In order to hold the light-weight shaped steel B having a lip groove shape in cross section, as shown in FIG. 4, the lip portions are provided with gaps between the movable pressing members 9a and 9b and the table 2, respectively. While operating to the above, both sides of the light-weight shaped steel B are clamped by pressure from the outside with the fixed / movable mouthpieces 3 and 4, and the movable pressing member is moved from the inside. The lightweight shaped steel B can be securely and firmly held at all times by pressing it with 9a and 9b so as to be clamped between the fixed and movable mouthpieces 3 and 4 in a pressure-contacting manner.

The above-described embodiment can be applied not only to the lightweight steels A and B but also to the holding of the rectangular steel pipe C for cutting, for example. In such a case, as shown in FIGS. 5 and 6, the fixed mouthpiece 3 and one movable pressing member 9b, or the movable mouthpiece 4 and the other movable pressing member 9a.
Therefore, it is preferable that the rectangular steel pipe C is pressed from both sides and held in a sandwiched state. Also, the screw shafts 7 and 15 are respectively handles 8 and
Although it is described that the rotary operation is manually performed by 18, it may be configured to be automatically rotated by a motor or the like.

[0014]

According to the first aspect of the present invention, a fixed mouthpiece and a movable mouthpiece which can move back and forth are arranged on a table so as to face each other, and a pair of movable pressing members are provided between the fixed mouthpiece and the movable mouthpiece. Since the movable pressing member is provided with a member, and each of the movable pressing members can be moved forward and backward synchronously in the corresponding fixed and movable mouthpiece directions by a screw mechanism having left and right threaded portions, both sides of the light-weight shaped steel are removed. A fixed / movable mouthpiece clamps it in a pressure contact state from the one side, and the movable pressing members on both sides are each moved by a screw shaft so that it is clamped in a pressure contact state between the fixed mouthpiece and the movable mouthpiece. It is possible to securely and firmly hold the lightweight shaped steel without pressure loss due to the pressing force, and it is possible to surely cut without causing chattering or the like.

According to the second aspect of the present invention, since each movable pressing member is arranged on the table so as to be able to move forward and backward with a predetermined gap, the lightweight sectional steel with a lip such as a cross sectional lip groove shape can be held. Even in such a case, the lip portions can be released into the gaps to eliminate the interference, and the fixed / movable mouthpiece and the movable pressing member can always reliably and firmly hold the lip portions.

[Brief description of drawings]

FIG. 1 is a perspective view showing an embodiment of the present invention.

FIG. 2 is a partially cutaway side view.

FIG. 3 is a partial cross-sectional view showing a state in which the lightweight section steel A is held.

FIG. 4 is a partial cross-sectional view showing a state in which the lightweight shaped steel B is held.

FIG. 5 is a partial cross-sectional view showing a state in which a rectangular steel pipe C is held by a fixed mouthpiece 3 and a movable pressing member 9b.

FIG. 6 is a partial cross-sectional view showing a state in which a rectangular steel pipe C is held by a movable mouthpiece 4 and a movable pressing member 9a.

FIG. 7 is a partial cross-sectional view showing a conventional example in use.

[Explanation of symbols]

2 tables 3 fixed base 4 movable mouthpiece 9a ・ 9b Movable pressing member 10 Gap 11 screw mechanism 12 Right screw member 13 Left screw member 15 screw shaft 16 Right screw part 17 Left screw part A lightweight steel B lightweight steel

Claims (2)

[Claims] 1. A fixed mouthpiece and a movable mouthpiece which can move back and forth are arranged on a table so as to face each other, and a pair of movable pressing members are arranged between the fixed mouthpiece and the movable mouthpiece. A vice characterized in that each of the movable pressing members is movable forward and backward synchronously in a corresponding fixed / movable mouthpiece direction by a screw mechanism having left and right screw portions. 2. The vise according to claim 1, wherein each of the movable pressing members is arranged on a table so as to be movable back and forth with a predetermined gap.