JPH0593745U - Dust collector for column end cutting machine - Google Patents

Abstract

(57) [Summary] [Purpose] A dust collector that is attached to a large NC horizontal boring machine to completely collect the generated cutting powder. [Constitution] A dust collecting device of a processing machine, wherein the end of a columnar body is inserted into the box from the front of the dust collection box and the cutting blades are inserted into the box from the backside, respectively, to cut the end of the columnar body inside the box. The lower outlet of the box is guided to a dust collecting mechanism via a suction pipe, and the columnar body is driven in the front-rear direction, the left-right direction, and the cutting blade in the up-down direction by numerical control.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a dust collector for a columnar cutting machine mainly used for carbon electrodes, which automatically forms a screw hole for connecting the columnar body with an nipple on the end face.

[0002]

[Prior Art]

 When forming a screw hole for connecting with a nipple in a columnar body such as a carbon electrode (hereinafter, a carbon electrode is a typical example), the NC horizontal boring machine can be conveniently used functionally. However, it is difficult to attach a dust collector provided with a cover for completely collecting the generated cutting powder to such a large-scale processing machine. Therefore, since the cutting powder generated affects the operation of the machine and control panel, the NC horizontal boring machine is not used, and the suction port is brought close to the cutting part of a normal large lathe. It sucks the cutting powder to prevent the environment from deteriorating.

[0003]

[Problems to be solved by the device]

 However, the suction of the above-mentioned cutting powder does not cover the entire part where it is generated, so the cutting powder cannot be collected completely, and the control panel and the parts operated by it are affected. It cannot be fully automated.

The present invention has been made in view of the above circumstances, and uses an NC cross boring machine to prevent the release of cutting powder, improve the working environment, and enable complete automation including numerical control. An object of the present invention is to provide a dust collector for a cutting machine.

[0005]

[Means for Solving the Problems]

 The dust collector of the carbon electrode end cutting machine according to the present invention is arranged such that the end of the columnar body is inserted into the box from the front of the dust collection box and the cutting blade is inserted into the box from the back. A dust collector for a processing machine that cuts the end of an electrode,

A large opening for inserting the end of the electrode is provided on the front plate of the box, and a slide cover having an opening corresponding to the maximum thickness of the electrode is movably attached to the front plate. , The exchange cover having an opening corresponding to the thickness of the electrode to be cut is fixed to the slide cover, and the slide cover is connected to the movable mount that moves the electrode back and forth and left and right by the slide shaft. Then

A cutting blade charging opening is formed on the top plate of the box, and a slide cover is openably and closably attached to this opening.

A charging blade opening is provided on the back surface of the box, and a cover that closes the opening is attached to the cutting blade after it has been inserted into the box. The discharge port at the tip was connected to the dust collecting mechanism to solve the problem.

[0009]

[Action]

 Since the dust collector of the present invention has the above-mentioned configuration, even if the diameter of the electrode is different, the surface to be cut by changing the replacement cover is located inside the front surface of the box, and the cutting blade is The box is equipped with a discharge port that is connected to the dust collecting mechanism, so that all cutting powder that is generated is sucked into the dust collecting mechanism and goes out of the box. There is no.

(Embodiment) FIGS. 1 to 4 show an embodiment of a dust collector (hereinafter referred to as a dust collector) of a carbon electrode end cutting machine according to the present invention. It is a rectangular parallelepiped dust collection box.

The front plate 2 of the dust collection box 1 is provided with an elliptical opening 2a which is long in the lateral direction and into which electrodes of various thicknesses to be processed can be inserted.

A slide cover 3 having an opening 3a corresponding to the maximum thickness of the carbon electrode 4 to be processed is attached to the front surface of the front plate 2 so as to be movable left and right via a slide bearing 3b. ..

An exchange cover 5 having an opening 5a matching the diameter of the electrode 4 to be cut is fixed to the slide cover 3 by a bolt 5b so that the opening 5a overlaps the opening 3a of the slide cover 3. ing.

The slide cover 3 is provided in front of the box 1 and is connected to a gantry 6 on which a carbon electrode 4 is placed and which moves in the left-right direction and the front-rear direction by a slide shaft 7 which is extendable in the front-rear direction. There is.

Further, an opening 10 for inserting a cutting blade 9 is provided at substantially the center of the top plate 8 of the box 1, and a slide cover 10a is attached by an air cylinder 10b so that the opening 9 can be opened and closed. .. The central portion of the slide cover 10a is formed of a transparent synthetic resin such as acrylic resin, for example, and even if the inside is visible and the cutting blade 9 accidentally hits the slide cover 10a, the cutting blade 9 is damaged. I'm not going to do it. The cutting blade 9 is attached to the spindle head 11.

A charging opening 13 for the cutting blade 9 is provided in a portion of the back plate 12 of the box 1 that follows the opening 10 of the upper plate 8. The opening 13 is provided with a cover 14 that closes the opening 13 after the cutting blade 9 is inserted into the box. The cover 14 is driven by the air cylinder 14a.

Further, the lower portion of the box 1 is formed in a cone shape, and a discharge port 16 is provided at the lower end of the cone portion 15, and the discharge port 16 is provided with a dust collecting mechanism (see FIG. (Not shown). A discharge pipe 18 is also attached to the base end of a spindle head 11 to which a cutting blade 9 inserted in the box 1 is attached, and is connected to a suction pipe 17 by a hose 20. Reference numeral 19 in the figure denotes a damper that opens and closes the suction pipe 17.

The formation of the screw hole 4a into which the nipple is screwed on the end surface of the electrode 4 using the above-mentioned device is performed as follows.

First, an exchange cover 5 having an opening 5a matching the thickness of the electrode 4 to be processed is attached to a slide cover 3 movably in the left-right direction by a slide bearing 3b, and an opening 5a is provided in the opening 3a. Are mounted by bolts 5b so that they overlap with each other, and the slide cover 3 and the movable mount 6 are connected by a slide shaft 7.

As a result, when the electrode 4 mounted on the movable base 6 moves in the left-right direction, it always moves in opposition to the opening 5a of the replacement cover 5, and in the case of moving in the front-back direction. , The end is inserted into the opening 5a.

Next, a cutting blade 8 suitable for the size of the electrode 4 is attached to the spindle head 11, and when setting is instructed, the cutting blade 9 automatically passes through the openings 10 and 13 and the back plate 12 of the box 1. Is set to the position. At that time, the slide cover 10a of the opening 10 and the cover 14 of the opening 13 are automatically opened, and are automatically closed after the cutting blade is set. Next, the discharge pipe 18 and the suction pipe 17 of the spindle head 11 are connected by the hose 20.

Further, when processing electrodes of different sizes, the replacement cover 5 and the cutting blade 9 having the respective sizes may be replaced in the same manner.

The device thus set is numerically controlled, and the screw hole 4a is automatically formed at the end of the electrode 4.

That is, when the electrode 4 is supplied to the movable mount 6, the electrode 4 advances, enters the box 1 through the opening 5 a of the replacement cover 5, is set on the back plate 12 of the box 1, and is sealed by the cover 14. The cutting blade 9 is cut.

At that time, the electrode 4 is numerically controlled to be driven forward and backward (Z axis direction) left and right (X axis direction) by the gantry 6, and the cutting blade 9 is vertically moved (Y axis direction) to drive the predetermined screw hole 4a. It is formed.

The above-mentioned cutting is performed in the box 1. Since the inside of the box 1 is sucked by the dust collecting mechanism from the lower discharge port 16 and the exhaust pipe 18 of the spindle head 11 through the suction pipe 17, All the cutting powder is collected without leaking to the outside. Therefore, the control panel and the parts driven by it will not malfunction due to cutting powder.

[0027]

[Effect of the device]

 As described above, since the dust collector of the columnar end cutting machine according to the present invention drives the electrodes moving in the Z-axis and X-axis directions and the cutting blade moving in the Y-axis numerically, The part to be ground can be completely covered by the box, and the cutting powder generated by sucking the inside of the box is collected, so that the cutting powder is not scattered outside the box. As a result, the NC horizontal boring machine driven by numerical control can always operate correctly without contaminating the control board and the parts that operate with it, and it is extremely efficient to screw holes in the electrode. , Can be formed automatically.

[Brief description of drawings]

FIG. 1 is a front view of a box that covers a cutting dust generation portion of a dust collector according to the present invention.

FIG. 2 is a perspective view of a box.

FIG. 3 is a view taken along the line III-III in FIG.

FIG. 4 is a view taken along the line IV-IV of FIG.

[Explanation of symbols]

 1 Dust collection box (box) 2 Front plate 2a Elliptical opening 3 Slide cover 3a Opening matched to the thickness of columnar body 3b Slide bearing 4 Carbon electrode (electrode) 4a Screw hole 5 Replacement cover 5a Opening 5b Bolt 6 Moving Stand (Stand) 7 Slide Shaft 8 Top Plate 9 Cutting Blade 10 Cutting Blade Loading Aperture 10a Slide Cover 10b Air Cylinder 11 Spindle Head 12 Back Plate 13 Opening 14 Cover 14a Air Cylinder 15 Cone Body 16 Discharge Port 17 Suction pipe 18 Discharge pipe 19 Damper 20 Hose

Claims (1)

[Scope of utility model registration request] 1. A dust collecting apparatus for a processing machine, wherein the end of a columnar body is inserted into the box from the front and the cutting blade is inserted into the box from the backside of the dust collecting box to cut the end of the columnar body in the box. , A large opening for inserting the end of the columnar body is provided on the front plate of the box, and a slide cover having an opening matching the maximum thickness of the columnar body is attached to the front plate so as to be movable left and right,
An exchange cover having an opening corresponding to the thickness of the columnar body to be cut is fixed to this slide cover, and the slide cover and the movable pedestal that moves the columnar body back and forth and left and right are connected by a slide shaft. Then, the loading opening of the cutting blade is formed on the top plate of the box, the slide cover is attached to the opening so that the slide cover can be opened and closed, and the loading opening of the cutting blade is provided on the back surface of the box. A cover for closing the opening is installed after charging into the box, the lower part of the box is formed into a cone shape, and the discharge port at the tip of the box is connected to the dust collecting mechanism. apparatus.