JP2004291134A - Cutter support and cutter - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To well cut a rod-like material to be cut without a tilt thereof even when a cutter is placed on a floor or the like to cut the material. <P>SOLUTION: The cutter is equipped with a support 4 behind a cutting position of a fully threaded bolt 5 by a fixed blade 2 and a movable blade 3 of a housing 1. The support 4 includes a cutting support region 12 for supporting the fully threaded bolt 5 and a placement support region 13 for supporting the placement of the housing 1. The support 4 also includes a plurality of cutting support sections 12 to correspond to different diameters of the bolt 5 and is detachable from the housing 1. By rotating and mounting the support 4 with an angle changed, the cutting support section 12 to be used can be selected. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a cutting machine that cuts a bar-shaped material to be cut such as a full screw bolt with a pair of cutting blades.
[0002]
[Prior art]
A cutting machine such as a full-screw cutter includes a fixed blade, and a pair of cutting blades including a movable blade pivotally mounted to face the fixed blade, exposing both cutting blades to the housing. I have. A cam that is driven by a motor is provided in the housing, and a roller provided at the base end of the movable blade is slid along the cam, whereby the movable blade is swung and the distal end is fixed. And a bar-shaped material to be cut such as a full screw bolt can be cut by the shearing action of both cutting blades (for example, Patent Document 1).
[0003]
[Patent Document 1]
JP-A-8-174329
[Problems to be solved by the invention]
However, in the above-mentioned cutting machine, when the cutting operation is performed in a stationary state where the cutting machine is placed on a floor or the like, when the material to be cut is a rod-shaped body such as a full screw bolt, the cutting is performed between the movable blade and the fixed blade in the open position. Cutting is performed by setting a part, but when cutting a long full screw bolt, the full screw bolt is tilted, and it is difficult to fix the material to be cut at right angles to the operation direction of the movable blade.
Therefore, the present invention has been made in view of the above problems, and even when cutting a bar-shaped material to be cut in a stationary state where the cutting machine is placed on a floor or the like, it is desired that the material to be cut can be cut well without tilting. An object of the present invention is to provide a support for a cutting machine and a cutting machine that can be used.
[0005]
[Means for Solving the Problems]
In order to solve the above-mentioned problem, the invention according to claim 1 has a pair of cutting blades, and is mounted on a housing of a cutting machine capable of cutting a bar-shaped material to be cut by the pair of cutting blades. A cutting machine support for supporting a cutting material, comprising a plurality of cutting supporting portions for supporting a cutting material, and capable of supporting a cutting material having a different diameter.
According to the support for a cutting machine, even when cutting a workpiece in a stationary state in which the cutting machine is placed on a floor or the like by mounting the cutting machine, the cutting is performed according to the diameter of the workpiece. By selecting the support portion, the cut material can be accurately supported, and the cut material can be cut satisfactorily without tilting.
[0006]
According to a second aspect of the present invention, in the first aspect of the present invention, there is provided a stationary support portion for supporting a stationary state of the cutting machine.
With this configuration, the stationary state of the cutting machine can be stabilized, and cutting can be performed more favorably.
[0007]
A third aspect of the present invention is the plate-like body according to the first or second aspect of the present invention, which is provided with a mounting hole for inserting a rear portion of the housing at substantially the center, and is detachable from the housing. The cutting support portion to be used can be selected by attaching and detaching the housing by disposing the portion and changing the angle in the circumferential direction.
According to this configuration, the selection of the cutting support portion is performed by the attachment / detachment operation of the support tool. Therefore, even if a plurality of cutting support portions are provided, the support tool can have a simple shape. Further, since the support is detachable, it may be removed if the support obstructs according to the usage of the cutting machine.
[0008]
The invention according to claim 4 is a cutting machine that has a fixed blade and a movable blade that opens and closes with respect to the fixed blade, and is capable of cutting a bar-shaped material to be cut by the fixed blade and the movable blade. A support according to any one of claims 1 to 3 is detachably or integrally mounted.
According to this cutting machine, by mounting the support, even when cutting the workpiece in a stationary state placed on a floor or the like, the workpiece can be cut satisfactorily without tilting.
[0009]
According to a fifth aspect of the present invention, in the cutting machine according to the fourth aspect, the cutting machine equipped with a detachable support is provided with positioning means for positioning the support.
Since the positioning means is provided in this manner, the mounted support can be easily mounted at an optimum angle, and does not rotate or move after being mounted, so that the material to be cut can be favorably supported.
[0010]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. 1 and 2 show a full-screw cutter as a cutting machine according to the present invention. FIG. 1 (a) is a rear view, FIG. 1 (b) is an enlarged view of a main part thereof, and FIG. 2 (a) is a plan view. 2 (b) shows a right side view. In the drawing, reference numeral 1 denotes a housing constituting a main body of a full-thread cutter, 2 denotes a fixed blade which constitutes one of the cutting blades, 3 denotes a movable blade which constitutes the other of the cutting blades, and 4 denotes a full-screw bolt which is a material to be cut. A supporting tool for supporting, 5 is a full screw bolt.
The housing 1 includes a body 1a for accommodating a motor for driving the movable blade 3, a reduction gear, a cam and the like (all not shown), a handle portion 1b for gripping operation, and a battery pack mounting portion 1c. , 7 indicate the mounted battery pack. When the operator operates the switch 6 provided in the vicinity of the handle portion 1b while holding the handle portion 1b, the movable blade 3 performs the closing operation (cutting operation) and the opening operation with respect to the fixed blade 2. Is configured. The fixed blade 2 and the movable blade 3 are provided at the center of the front upper part of the housing 1, and the support 4 is attached to the rear end of the body 1a.
[0011]
The support 4 has a substantially circular arc shape in which a circular mounting hole 11 for inserting a support mounting portion 8 formed at the rear end of the body portion 1a is formed at the center, and all screw bolts 5 are provided at four locations around the support. The cutting support portions 12 (12a to 12d) for supporting are arranged and formed, and further, the stationary support portions 13 for supporting the housing 1 are respectively provided so as to stabilize the installation state in which all the screw cutters are placed on the floor or the like. 12 are formed. As shown in FIG. 2, the support 4 is formed in a plate shape by laminating a metal plate 4 a and a resin plate 4 b having substantially the same shape, and by using the metal plate 4 a, all the screw bolts 5 are attached to the cutting support portion 12. Even if it abuts, the abrasion of the cutting support portion 12 is prevented, and the use of the resin plate 4b facilitates the attachment / detachment operation to the trunk portion 1a.
[0012]
On the other hand, the supporter mounting portion 8 provided at the rear end of the body portion 1a is formed in a cylindrical shape having the same diameter as the mounting hole 11 of the supporter 4, and the fitting operation of the supporter 4 into the mounting hole 11 is performed. Thus, the support 4 is attached to the housing 1.
By rotating the support 4 in the circumferential direction and changing the angle thereof and mounting the support 4 on the body 1a, the optimum cutting support 12 can be selected from the four cutting supports 12. However, a locking projection 9 as a positioning means for positioning the mounted support 4 and preventing rotation is provided on one side of the support mounting portion 8 on the side of the body 1a, which is the lower surface in the stationary state. A locking recess 14 into which the locking projection 9 is inserted is provided around the mounting hole 11 of the supporting tool 4. The locking recesses 14 are provided at three locations corresponding to the respective cutting support portions 12.
[0013]
The four cutting support portions 12 formed in the support tool 4 are formed by cutting out in a U-shape toward the center of the mounting hole 11, and correspond to the full screw bolts 5 having four different diameters (here, The cutting support 12a is M8 and 5/16 inch, the cutting support 12b is M10, the cutting support 12c is 3/8 inch, and the cutting support 12d is formed with different widths of M6 all screw bolts). ing. In addition, the ends of these cutting support portions 12 are formed stepwise by lowering one of the upper portions in the stationary state and setting the other to be higher, thereby facilitating the insertion operation of the supporting all screw bolts 5.
Then, all the screw bolts 5 to be cut are supported in parallel with the longitudinal direction of the body portion 1 a which is orthogonal to the operation direction of the movable blade 3, that is, the cutting support portion 12 to be used is placed above the housing 1. Each locking recess 14 is arranged so as to face and be fixed. By providing the locking projections 9 and the locking recesses 14 in this manner, when mounting the support 4, the worker mounts the support 4 at the best angle without being strongly aware of the position of the cutting support 12. Can be further fixed.
[0014]
As shown in FIG. 1, the body portion 1a of the full-screw cutter is formed thinner than the distal end portion in which the movable blade 3 and the cam are housed and the attached battery pack 7, so that the left side face is downward. When the device is designed so that the state in which it is placed is the stationary state, the stationary support portion 13 is formed at a position on the left side at the time of mounting as shown in the figure. By providing the stationary support in this manner, the stationary state of the full-screw cutter can be stabilized, and the full-screw bolt can be cut with high accuracy.
[0015]
When the full-screw cutter configured as described above is used in a stationary state, first, the cutting support portion 12 that matches the diameter of the full-screw bolt to be cut is selected, and the support is mounted on the housing. At this time, the mounting operation is performed so that the selected cutting support portion 12 faces upward of the body portion 1a behind the cutting blade. By this mounting operation, the cutting support portion 12 is reliably arranged at a position behind the cutting blade, that is, at a position parallel to the front-rear direction (longitudinal direction) of the body portion 1a by the locking action of the locking projection 9 and the locking concave portion 14. You.
FIG. 3 shows a rear view of a full-screw cutter in which the support tool 4 is mounted at a different angle in accordance with the diameter of the full-screw bolt 5 to be cut in this way, and four cutting supports provided in the order of (a) to (d). It shows a mode in which the parts 12a to 12d are used respectively. (A) and (b) are mounted with the resin plate 4b facing forward, and (c) and (d) are mounted with the metal plate 4a facing forward. By inverting and using in this manner, it is not necessary to provide the stationary support portions 13 and the locking concave portions 14 in the same number as the cutting support portions 12.
[0016]
When the support 4 is mounted, the full-screw cutter is placed on the floor or the like, and as shown in FIG. 2, the cut portion of the full-screw bolt 5 is arranged between the fixed blade 2 and the movable blade 3 in the open position, and The cutting support portion 12 of the support 4 is inserted and supported. In this state, the switch 6 is operated to perform a disconnection operation.
With this operation, the full-screw cutter is stabilized in the stationary state by the stationary support portion 13, and since the rear end of the full-screw bolt 5 is supported by the support 4 at the time of cutting, the operator grips the rear portion of the full-screw bolt 5, and completes Just by lightly pressing the screw bolt 5 against the cutting support portion 12, the entire screw bolt 5 can be fixed in a direction orthogonal to the operation direction of the movable blade 3, and accurate cutting can be easily performed even with a long full screw bolt. Become.
[0017]
In this way, by mounting the support having the cutting support portion for supporting the material to be cut to the cutting machine, the material to be cut can be cut without tilting when the material to be cut is cut in the stationary state. The cutting material can be accurately supported by selecting and using a plurality of cutting support portions according to the diameter of the material to be cut.
Further, since the stationary support portion is provided, the stationary state of the cutting machine can be stabilized, and the operator can satisfactorily perform the cutting operation with a simple operation of the cutting machine.
Furthermore, since the selection of the cutting support portion is performed by the attachment / detachment operation of the support device, the support device can have a simple shape even if a plurality of cutting support portions are provided, and can be removed when it is not necessary according to the use mode of the cutting machine. For example, when cutting a material to be cut hanging from the ceiling, the support does not become an obstacle.
In addition, since the locking projection is provided on the housing as the positioning means and the locking recess is provided on the support, the support can be easily mounted at an optimum angle, and does not rotate or move after mounting, so that the material to be cut can be used. Is favorably supported.
[0018]
In the above embodiment, the support 4 has an arc shape with a part cut away, but may have a complete ring shape. Further, although the metal plate 4a and the resin plate 4b having substantially the same shape are overlapped and formed, the cutting support portion 12 is formed only of metal, and the mounting hole 11 forming portion for inserting the body portion 1a is formed only of resin. Or the whole may be formed of a hard resin.
In addition, the cutting support portion 12 is selected by attaching and detaching the support 4 to and from the body portion. However, if the cutting support portion 12 is configured to be rotatable while fitted to the body portion, the cutting support portion can be selected without removal. . For example, if the insertion position is formed in the second step, the locking projection is provided in the second step, and the first step is rotatable, the cutting support portion can be changed in a state where the housing is inserted, and Similar to the form, the support may remain in a simple shape.
Further, a rotating portion may be provided on the support itself so that the cutting support portion can be rotated and selected in a state of being mounted on the housing. In this case, if the cutting support portion is further formed to be able to be inverted, the cutting support portion is inverted when the support is not used, so that there is no hindrance even if the support is not removed.
Further, the stationary support section 13 may be formed integrally with the housing 1.
[0019]
【The invention's effect】
As described above in detail, according to the support for a cutting machine of the present invention, by mounting the cutting machine, the cutting of the bar-shaped workpiece is performed in a stationary state where the cutting machine is placed on a floor or the like. Also, the material to be cut can be cut well without tilting. Further, by selecting the cutting support portion according to the diameter of the material to be cut, the cutting material can be accurately supported.
Furthermore, since the selection of the cutting support portion is performed by the attachment / detachment operation of the support tool, even if a plurality of cutting support portions are provided, the support tool can have a simple shape, and the support tool is made detachable, If the support is in the way depending on the usage of the cutting machine, it may be removed.
[0020]
ADVANTAGE OF THE INVENTION According to the cutting machine of this invention, even if it cuts a bar-shaped material to be cut in a stationary state placed on the floor etc. it can. Further, by the positioning means, the mounted support can be easily mounted at an optimum angle and does not rotate after mounting, so that the material to be cut can be favorably supported.
[Brief description of the drawings]
1A and 1B show an example of an embodiment of a cutting machine according to the present invention, wherein FIG. 1A is a rear view, and FIG. 1B is an enlarged view of a support as a main part.
FIG. 2 (a) is a plan view of the cutting machine of FIG.
(B) is a right side view of the cutting machine of FIG.
FIGS. 3A to 3D are rear views of the cutting machine in which a mounting angle of a support is changed.
[Explanation of symbols]
1. Housing, 1a .. Body, 1b .. Handle, 1c .. Battery pack mounting part, 2 ... Fixed blade, 3 ... Movable blade. 4 ··· Supporting tool, 5 ··· Full screw bolt as material to be cut, 8 ··· Supporting member mounting portion, 9 ··· Locking projection, 11 ··· Mounting hole, 12 ··· Cutting support portion, 13 ··· Stationary support Part, 14 ... locking recess.

Claims (5)

A cutting tool support having a pair of cutting blades, mounted on a housing of a cutting machine capable of cutting a bar-shaped material to be cut by the pair of cutting blades, and supporting the material to be cut,
A support for a cutting machine, comprising a plurality of cutting support portions for supporting a material to be cut, and capable of coping with materials having different diameters. The cutting tool support according to claim 1, further comprising a stationary support portion that supports a stationary state of the cutting machine. A plate-like body that has a mounting hole for inserting the rear part of the housing at substantially the center and that can be attached to and detached from the housing. The cutting tool support according to claim 1 or 2, wherein a cutting support portion to be used can be selected. 4. A cutting machine comprising a fixed blade and a movable blade that opens and closes with respect to the fixed blade, wherein the bar-shaped workpiece can be cut by the fixed blade and the movable blade. A cutting machine comprising the support described in any of the above items, which is detachably or integrally mounted. 5. The cutting machine according to claim 4, wherein the cutting machine equipped with a detachable support includes positioning means for positioning the support.

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