KR20090130444A - Bytes-holders device ascent of v-cutting machine - Google Patents

Abstract

PURPOSE: A bite holder elevating apparatus for a V-groove cutting machine is provided, which facilitates maintenance and repair by only changing the worn bearing tape. CONSTITUTION: A bite holder elevating apparatus for a V-groove cutting machine comprises right and left and vertical transfer systems. The right and left transfer system transfers a bite(25) to the right and left and sets a location. The vertical transfer system comprises a slider lifting unit(16), slider base(20), and a cutting head(23). The slider lifting unit is located in the front surface of the fixed base(11). The slider base ascends and descends along the slider lifting unit. The bite holder is installed to the cutting head. The bearing tape(30) is attached to the inside contact surface of the slider lifting unit and minimizes loss by friction with the slider base.

Description

Byte holder lifting device for V-groove cutting machine {bytes-holders device ascent of V-cutting machine}

The present invention is a V-groove cutter for cutting and forming the V-groove on the surface of the iron plate to facilitate the bending process during post-processing, V-groove to raise and lower the bite holder for fixing the bite for V-groove cutting up and down It relates to a bite holder lift device for a groove cutter.

In general, the V-groove cutter is to cut the V-groove for bending at the portion to be bent of the iron plate in order to bend the iron plate to make the product in a convenient and accurate process when bending.

This cutting groove is usually cut to a depth of approximately 1/2 of the thickness of the steel sheet, which requires accurate cutting due to the characteristics of the cutting.

Typically, the V-groove cutter includes a lift device for lifting up and down a bite holder to which a cutting bite is fixed, an X-axis moving device for moving the bite holder in the X-direction to select a cutting position, and an iron plate surface. It consists of a Y-axis feeder for cutting and forming the V-groove at a predetermined position along the main control for controlling them.

The lifting device for elevating the bite holder up and down requires precision machining to cut a certain depth on the surface of the steel plate, so that the lifting operation is performed at the same position at all times without swinging before, after, and to the left and right. Processing can proceed.

In general, the lifting means of the bite holder of the v-cutting machine, which is used in the industry, secures two guide rods to the X-axis moving device, and through the coupling holes fitted to the guide rods, The thing which attached and comprised the bearing in the upper part and the lower part inside is used.

The conventional lifting device described above causes the engagement of the guide rod and the bite holder and the bearing to be worn by repeatedly lifting and lowering the bite holder, and the wear and tear of the bite holder is moved forward, backward or left and right, and vibration is generated. Make it.

Thus, when performing repetitive cutting, the vibration and swing of the bite holder are always a factor to hinder the purpose of cutting the V-groove at the same position.

Moreover, as the lift portion of the bite holder wears, the bite holder and the guide rod have to be replaced, which causes a serious loss, which causes a significant cost loss in the maintenance and repair of the v-cutting device.

It is an object of the present invention to provide a lifting means of a bite holder which can stably lift and operate by reducing the loss due to friction caused by the lifting operation of the bite holder.

Another object of the present invention is to provide a lifting means capable of reducing the maintenance and repair costs of a v-cutting machine by allowing only a part to be replaced when worn by repeated lifting operation of the bite holder.

The present invention for solving the above object,

Lifting device for lifting up and down the bite holder to which the cutting bite is fixed, X-axis moving means for moving the bite holder in the X-direction to select the cutting position, and V at a predetermined position along the steel plate surface. A contact portion of the slider for lifting up and down of the bite holder mounted on the V-groove cutter constituting the Y-axis feed means and the main control for controlling the X-axis feed means to form a cutting groove; On the surface, by attaching a bearing tape that is easy to replace, it is intended to solve by configuring the bite holder to move up and down.

The bite holder lifting means for the V-cutting device of the present invention made by the above means replaces the expensive bite holder by replacing only the worn bearing tape when the bearing tape attached to the slider is worn out by repeated lifting operation. There is no need to do it is easy to maintain and repair the V-cutting device.

The configuration and operation of the present invention exhibiting these effects will be described in more detail based on the accompanying drawings.

1 is a perspective view of a v-cutting apparatus to which the present invention is applied, FIG. 2 is a perspective view of a v-cutting machine of the present invention, and is an exploded perspective view of a v-cutting machine to which the present invention is applied, and FIG. Fig. 5 is a side view of the v-groove cutter of the present invention.

In the V-groove cutter which moves in the Y-axis direction along the feed screw of the V-groove cutting device and sets the cutting position of the V-cutting groove of the workpiece,

Left and right transfer means for setting the position by transferring the bite for V-groove cutting left and right; and,

It is provided with a vertical lifting means for starting the cutting operation by lifting the bite up and down at the set position,

The vertical lifting means, the slider lifting portion on the fixed base front portion; Wow

A slider base for elevating along the slider elevating unit; Wow

A cutting head mounted with a bite mounted on the slider base; It was made up of.

A bearing tape is attached to the inner side of the slider elevating portion so as to minimize the loss due to friction with the slider base which is elevating.

The configuration of the present invention having the above configuration will be described in more detail with reference to the accompanying drawings.

In the V-groove cutter (10) to move in the Y-axis direction along the feed screw (2) of the V-groove cutting device (1) to set the V-cutting groove position of the workpiece,

On the rear of the fixed base 11, a Y-axis feed screw coupling member 13 coupled to the Y-axis feed screw 2 is mounted, and a guide holder to which the Y-axis guide 3 is coupled to the upper and lower portions thereof. 14,

The mounting base 12 is attached to the center of the upper end of the fixed base 11 to fix the servo motor M, and a spiral portion is formed on the outer circumferential surface of the rotational shaft of the servo motor M to form the lifting screw 12.

On the front part of the fixed base 11, each of the slider fixing holders 15 and 5 'of the " b " shape is screwed on both sides, and slides by a pair of slider fixing holders 15 and 15'. The lifting unit 16 is configured.

The slider base 20 which moves up and down along the slider lifting unit 16 is positioned in front of the slider fixing holders 15 and 15 '.

On the rear surface of the slider base 20, a pair of sliders 21 and 21 'are mounted to be in close contact with the inner surfaces of the slider fixing holders 15 and 15'.

It is coupled to the lifting screw 12 of the servo motor (M) by mounting a lifting screw coupling member 26 through which a screw hole 26a is formed in the center of the upper end of the slider base 20,

In the center of the front portion of the slider base 20 is configured by mounting the cutting head 23 is fastened to the bite holder 24, the bite 25 is fixed.

The mounting base 22 is recessed in the slider base 20 to which the cutting head 23 is in close contact, thereby fixing the cutting head 23 at the correct position and at the same time obtaining a tight fixation state.

The bite holder 24 mounted to the cutting head 23 forms a fastening recess 23a at the lower end of the cutting head 23, and fixes the fixing plate 24a to the fastening recess 23a. The mounting plate 24b is screwed to the outer side.

At least two bite coupling grooves 24c are formed in the inner surface of the fastening plate 24b, and the pins 25 are coupled to the bite coupling grooves 24c to fix the screws 25.

The bite coupling groove 24c of the mounting plate 24b passes through the screw fastening hole 24d, and the bite 25 also penetrates the screw groove 25a to be fixed.

Bearings (a), (b), (c) and (d) in contact with the sliders (21) and (21 ') coupled to the slider fixing holders (15) and (15') constituting the slider lifting portions (16), respectively, are bearings. The tape 30 is adhered and fixed with an adhesive.

The bearing tape 30 is a special material in which a special composite filler is mixed with PTFE to improve and reinforce bearing characteristics, which is ideal for sliding motion parts of machine tools, various industrial machines, special machines, and automation equipment. It was developed as a material.

Its characteristics include extremely low static friction and dynamic friction, which are almost the same to ensure smooth operation, and excellent positioning ability to stop exactly where it wants to stop by the action of the ideal friction coefficient. Positioning Accuracy).

Moreover, when lubricating oil is supplied to a friction surface, it is a raw material which shows the outstanding abrasion-resistance property and does not damage a mating surface at all.

The bite holder elevating device of the present invention having such a configuration sets the cutting position on the steel plate 5 to be processed while moving in the Y-axis by the rotational action of the Y-axis feed screw 2, and the servo motor M The lifting and lowering operation of the slider base 20 to which the bite holder 24 is fixed is performed to bring the bite 25 into close contact with the iron plate 5 so as to be ready for cutting.

The slider base 20 is the center screw hole (26a) of the elevating screw coupling member 26 is coupled to the elevating screw 12 when the elevating screw 12 is rotated by the operation of the servo motor (M). It is to be moved up and down in accordance with the rotation direction of the servomotor (M).

Ascending and descending of the slider base 20 is a slider formed between a pair of slider fixing holders 15 and 15 'mounted on the front part of the fixed base 11 with sliders 21 and 21' mounted on the rear part. The lifting operation of the lifting unit 16 is performed.

At this time, the sliders 21 and 21 'are brought into close contact with a part of the front surface of the fixed base 11 and the inner surface of the slider fixed holder 15, and the contact surfaces (a), (b), (c), (( In d), the bearing tapes 30 are attached to each other so that a smooth and accurate lifting operation is performed.

Lubricant oil is periodically supplied to the bearing tape 30 to minimize the frictional force between the sliders 21, 21 ′ and the fixed holders 21, 21 ′.

When the bearing tape 30 is worn by repeated lifting operation, repair and maintenance are simplified by simply replacing and attaching only the worn bearing tape.

In the present invention, at least two or more bite holders 24 and 25 are mounted on the cutting head 23, but at this time, the bite 25 is installed at the front and the bite 25 is installed at the rear. ') Is produced so that the length is slightly different.

That is, by forming the length of about 1mm longer than the front bite 25, the bite 25 'is cut deeper and passes through the back bite 25' at the position where the front bite 25 is cut, thereby reducing the cutting time and at the same time This reduces the pressure on (25).

It is preferable to install three bites 25, and may be provided alone or two or three or more, depending on the strength of the workpiece, the length of the bite 25 is slightly longer toward the rear Of course.

 In the present invention, the slider lifting portion 16 formed on the fixed base 11 is formed by a pair of slider fixing holders 15 and 15 'manufactured separately, and coupled to the slider lifting portion 16 Although the sliders 21 and 21 'for elevating are selected and combined, the fixed base 11 and the slider base 20 are processed, and the slider elevating portion 16 and the slider 21 are formed in a single form. Of course, it is natural that such a change can be made without departing from the scope of the present invention.

In addition, in the description and illustration of the present invention, although the assembly screw for fastening each part is not shown and described, the means for fixing the temporary part with the fixing screw is generally an assembly means, and is related to the main technical contents of the present invention. Since no specific illustration and description are omitted.

Figure 1 is a perspective view showing the appearance of the V-groove cutter of the present invention

Figure 2 is a partially enlarged perspective view showing the lifting device of the present invention

Figure 3 is an exploded perspective view of the lift device of the present invention

Figure 4 is a sectional view showing the main configuration of the lifting device of the present invention

Figure 5 is a side view showing the operation of the elevator apparatus of the present invention

※ Explanation of code for main part of drawing

1: V-groove cutting device 2: Feeding screw

10: cutting machine 11: fixed base

12: mounting base 13: coupling member

14: guide holder 15, 15 ': fixed holder

16: slider lift 20: slider base

21,21 ': Slider 23: Cutting head

24: byte holder 25: byte

30: bearing tape

Claims (6)

In the V-groove cutter which moves in the Y-axis direction along the feed screw of the V-groove cutting device and sets the cutting position of the V-cutting groove of the workpiece, Left and right transfer means for setting the position by transferring the bite for V-groove cutting left and right; and, It is provided with a vertical lifting means for starting the cutting operation by lifting the bite up and down at the set position, The vertical lifting means, the slider lifting portion on the fixed base front portion; Wow A slider base for elevating along the slider elevating unit; Wow A cutting head equipped with a bite holder mounted to the slider base; Consists of, And a bearing tape attached to an inner side of the slider elevating portion so as to minimize a loss due to friction with the slider base which is elevating operation. The method of claim 1, The elevating unit attaches the mounting table 12 to the center of the upper end of the fixed base 11 to fix the servo motor M, and forms a spiral on the outer circumferential surface of the servo motor M to form the elevating screw 12. , On the front part of the fixed base 11, the " n " shaped slider fixing holders 15 and 5 'are respectively screwed on both sides, and slide by a pair of slider fixing holders 15 and 15'. Bit holder holder device for a V-groove cutter, characterized in that the lifting section (16). The slider base, In the front of the slider fixing holder (15, 15 ') to install a slider base 20 that moves up and down along the slider lifting portion 16, On the rear surface of the slider base 20, a pair of sliders 21 and 21 'are mounted to be in close contact with the inner surfaces of the slider fixing holders 15 and 15'. It is coupled to the lifting screw 12 of the servo motor (M) by mounting a lifting screw coupling member 26 through which a screw hole (26a) is formed in the center of the upper end of the slider base 20, And a cutting head (23) having a bite holder (25) to which a bite (25) is fixed at the center of the front of the slider base (20). The method of claim 1, The cutting head is mounted to the center of the front of the slider base 20, the cutting head 23 is fastened to the bite holder 24 is fixed to the bite 25, The mounting base 22 is recessed in the slider base 20 to which the cutting head 23 is closely attached to fix the cutting head 23. The bite holder 24 mounted to the cutting head 23 forms a fastening recess 23a at the lower end of the cutting head 23, and fixes the fixing plate 24a to the fastening recess 23a. The mounting plate 24b is fixed to the outside, V-groove cutter is characterized in that the inner side of the fastening plate (24b) is formed by the bite engaging groove (24c) long and vertically concave, it is configured to couple the bite 25 to the bite engaging groove (24c) Byte holder lifting device. The method of claim 2, On each of the contact surfaces (a) (b) (c) (d) with the sliders 21, 21 'coupled to the slider fixing holders 15, 15' constituting the slider lifting section 16, Bit holder holder device for a v-groove cutter, characterized in that the bearing tape 30 is glued and fixed with an adhesive. The method of claim 4, wherein The bite coupling groove 24c formed in the bite holder 24 is composed of at least two or more bites 25 for mounting the bite 25, and the protruding length of the v-groove cutter is characterized in that it is configured to be sequentially lengthened. Holder lift.

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