JPH052249Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Field of Application of the Invention] The present invention relates to a dust-proof structure in a cutting machine that swings a cutting wheel against dust generated during cutting.

[Background of the idea]

A conventional cutting machine will be explained using FIGS. 3 and 4. Dust generated when cutting an object is scattered as shown by the arrow in FIG. 3. For this reason,
Dust adheres to the space between the support stand and the arm, which is swingably held with the shaft as a fulcrum, and furthermore, dust enters the fitting part of the support stand and shaft due to the swing of the arm, causing the support stand to become damaged. and the shaft sometimes wore out.

This causes play in the support stand and shaft, and during cutting work, the cutting wheel does not hit the material to be cut at right angles, which not only makes it impossible to ensure cutting accuracy.
The shaking of the cutting tool would increase and there was a risk that the cutting tool would break.

In addition, there are devices in which a separate dust-proof cover is provided on the support base, but this requires screwing, etc., resulting in a high cost.

[Purpose of invention]

The purpose of the present invention is to eliminate the above-mentioned drawbacks of the prior art and provide a highly accurate and safe cutting operation.

[Summary of the idea]

This invention focuses on the point that wear can be prevented by preventing the adhesion and intrusion of chips that are generated when cutting the material to be cut.This invention focuses on the point that wear can be prevented by preventing the adhesion and intrusion of chips that are generated when cutting the material to be cut. The aim is to provide a cover that is integrated with the arm by devising a shape.

[Example of idea]

FIG. 1 is a front view showing an embodiment of the present invention.
FIG. 2 is a side view seen from direction A in FIG. 1.

In the figure, 10 is a base, 8 is a fixed vise provided on the base 10, 9 is a moving vise that holds the workpiece 11 together with the fixed vise 8, and 6 is a movable vise that swings the arm 3 around the shaft 4 as a fulcrum. The support base, 7 is a protrusion provided on the support base 6, and 5 is a dustproof cover protruding around the protrusion 7 provided on the support base 6 and the sliding portion of the arm 3.

Dust generated when cutting the material to be cut 11 scatters in the direction of the dotted arrow, but is blocked by the dustproof cover 5 and directly slides between the support stand 6 and the arm 3 swingably held by the shaft 4. cannot enter the department.

[Effect of idea]

According to the present invention, a cover is attached to cover the joint between the support base and the arm that is swingably held between the support base and the shaft, which prevents dust from entering and significantly reduces wear on the joint between the support base and the shaft. It is possible to reduce the Therefore, cutting accuracy can be maintained, and the risk of the cutting tool being broken due to increased vibration of the cutting tool can also be avoided.

Furthermore, since the support base is provided with a protrusion and the protrusion is covered by a cover integrated with the arm, a dustproof structure can be provided at a lower cost than when a separate dustproof cover is attached to the support base.

[Brief explanation of the drawing]

Fig. 1 is a front view showing one embodiment of the present invention, Fig. 2 is a partially vertical side view seen from A in Fig. 1, and Fig. 3 is a front view showing an embodiment of the present invention.
The figure is a front view showing an example of the prior art, and FIG.
FIG. 4 is a side view seen from B in FIG. 3; In the figure, 3 is an arm, 4 is a shaft, 5 is a dustproof cover protruding from the arm 3, 6 is a support base, and 7 is a protrusion provided on the support base 6.

Claims (1)

[Scope of utility model registration request] A base on which a moving vise and a fixed vise are installed for fixing an object to be cut, an arm and a cutting toy which are swingably held around a shaft that engages with a support provided at the rear of the base, and the cutting toy. In the cutting machine, the support base is provided with a protrusion that clamps the arm, and the arm, which is swingably clamped by the shaft, is provided with a protrusion that is at a constant distance from the outer periphery of the protrusion of the support base. A dustproof mechanism for a cutting machine, characterized in that a cover is provided protrudingly to cover a sliding part with the arm while maintaining a distance therebetween.