KR20160002653A - Angle cutting machine - Google Patents

Abstract

The present invention relates to an angle cutting machine comprising: a cutting edge (10) for cutting a material (s) supplied through a feeding device (p) by a lifting operation, wherein the cutting edge (10) rotates about an angle adjusting shaft (13) to adjust a cutting angle and the angle adjusting shaft (13) is installed such that the angle adjusting shaft coaxially matches a line longitudinally crossing on one side of the material (s) and, accordingly, the reference point with respect to the cutting length remains unchanged even though the angle of the cutting edge (10) and material width(s) change; the input part (15) which inputs numerical data about the cutting length of the material (s); and a control part (17) which automatically controls the supplied length of the material. According to the present invention, the angle adjusting shaft of the cutting edge coaxially matches the line longitudinally crossing on one side of the material such that the reference point with respect to the cutting length remains unchanged even though the angle of the cutting edge (10) and material width(s) change, thereby enabling the cutting operation to be automatically and rapidly performed by simply entering numerical data about the cutting angle, cutting length and material width.

Description

[0001] Angle cutting machine [0002]

The present invention relates to an automatic angle cutting apparatus, and more particularly, to an automatic angle cutting apparatus, more particularly, to an automatic angle cutting apparatus having an angle adjusting axis of a cutting edge coinciding with a line vertically crossing on one side of a work, A cutting length, and a width of a workpiece, so that the cutting operation can be automatically and precisely performed only by inputting numerical values of the cutting angle, the cutting length, and the workpiece width.

Generally, materials such as a sieve, a profile, and a pipe are manufactured by a long extrusion method and cut to an arbitrary length and are widely used as a material for a window, a frame of various structures, and a loading box. In this case, in order to prevent the cut surface of the material from being exposed to the outside, a method of cutting the end portions at 45 degrees and connecting them so as to be engaged with each other is mainly adopted.

As such a material cutting apparatus, in the Utility Model Application No. 20-1993-0017699, the height and the angle of the circular saw joined to the reciprocating unit are adjusted while the material is mounted on the setting guide plate, and then the reciprocating unit is pulled However, as the user manually controls the cutting angle and length, the cutting angle and length are not accurate and the working speed is slowed down, resulting in a problem that the working efficiency is greatly reduced.

In addition, JP 10-1295622 discloses a technique in which a material is cut by a single operation with a fixed plate, a movable plate, and a lifting plate. However, since the material that deviates from the interval of cutting between the fixed plate and the movable plate is to be discarded, And the length of the cutting device becomes longer according to the cutting length of the material, so that there is a problem that the installation space is occupied excessively.

Utility Model Application No. 20-1993-0017699 Patent No. 10-1295622

According to an aspect of the present invention, there is provided a method of manufacturing a cutting tool, including the steps of: And it is an object of the present invention to provide an automatic angle cutting apparatus in which cutting processing is automatically and precisely performed only by inputting numerical values of a cutting angle, a cutting length and a material width.

In order to achieve this object, the present invention is characterized in that a cutting blade 10 is provided to cut a work s supplied through a feeder p by a lifting operation, 13 so as to coincide with the longitudinally intersecting line on one side of the workpiece s so that the angle of the cutting blade 10 and the angle of the workpiece a control unit 17 for automatically controlling a material supply length while being provided with an input unit 15 for inputting a numerical value with respect to a cutting length of the material s, And a control unit.

At this time, the controller 17 calculates a cut length for the other side only by numerically inputting the cut length of the one side of the blank s, the cut length, and the calculated cut length And the length of the supply of the material (s) is switched alternately.

Further, a clamp 12 is provided at a position adjacent to the cutting edge 10 to fix the work s.

The cutting blade 10 may be angularly adjusted by a servomotor or may be stopped at an angle set by the stopper 18 and the sensor 19.

According to the above construction and operation, according to the present invention, even if the angle adjusting axis of the cutting edge coincides with a line vertically crossing on one side of the work, the reference point for the cutting length is unchanged The cutting operation can be automatically and precisely performed only by inputting the numerical values of the cutting angle, the cutting length, and the material width.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a block diagram of an automatic angle cutting apparatus according to the present invention. FIG.
2 is a view showing the structure of an automatic angle cutting apparatus according to the present invention.
3 is a schematic view showing a work cut by an automatic angle cutting apparatus according to the present invention;
4 is a view showing a cutting blade structure of an automatic angle cutting apparatus according to the present invention;
5 is a configuration view showing a cutting blade operating state of the automatic angle cutting apparatus according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

In the present invention, even if the angle of the cutting edge and the width of the workpiece are changed, the reference point for the cutting length is unchanged, so that the cutting blade can be automatically and quickly cut only by inputting numerical values for the cutting angle, And a control unit as main components.

1, the automatic angle cutting apparatus according to the present invention includes a cutting blade 10 for cutting a work s fed through a feeder p by a lifting operation, The angle adjusting shaft 13 is coaxially aligned with the longitudinally crossing line on one side of the workpiece s so that the cutting blade 10 can be rotated about the angle adjusting axis 13, And an input unit 15 for inputting a numerical value with respect to the cutting length of the material s is provided so that the material supply And a control unit 17 for automatically controlling the length.

The cutting blade 10 is provided on the moving path of the workpiece s fed through the feeder p and is provided on the main body of the cutting device and rotated by the driving means m And a guide frame 11b formed in a direction perpendicular to the rotary table 11a.

The cutting edge 10 is raised and lowered on the line of the angle adjusting shaft 13 described below by the cylinder c provided on the operating body 11 to cut the work s, 11b guide the movement path of the cutting blade 10, the reciprocating motion is performed in a state in which the movement of the cutting blade 10 is minimized during the operation.

The cutting blade 10 may be a band saw blade widely used in a conventional press-type cutter, but a circular saw blade structure that rotates at a high speed by a motor or the like so as to prevent the material from being crushed by the cutting pressure and damaging the cut surface .

The angle adjusting shaft 13 is coupled to the center of the rotary table 11a to transmit the rotational force of the driving means m and is configured to rotate about a rotational axis (13a), and is placed on the same line as one side of the work (s) as shown in Fig. Accordingly, even if the angle of the cutting edge 10 or the width of the work s is changed during the cutting operation, the center of the cutting edge 10 serving as a reference for cutting is always maintained at a constant position, Even if the angle is changed for cutting at various angles, the reference point for the cutting length is always set to coincide with the fixed point.

On the other hand, the control unit 17 is provided with an input unit 15 for inputting a numerical value of the cutting length of the material s to automatically control the material supply length. The control unit 17 calculates the numerical value received from the input unit 15 to adjust the lifting height of the cutting blade 10, the rotational angle of the angle adjusting shaft 13, and the length of the material supply through the feeder p Accordingly, the supply length of the work (s), the working distance of the cutting blade 10 for machining and the rotation angle of the angle adjusting shaft 13 are automatically controlled to a numerical value inputted in advance, The controller 17 controls the height of the raising and lowering of the cutting edge 10, the angle of rotation of the angle adjusting shaft 13 and the length of the feeder p so that unnecessary operation is prevented from occurring and the work can be performed quickly.

At this time, the controller 17 calculates the cutting length for the other side only by numerically inputting the thickness of the material s, the cutting angle, and the cutting length of one side, The value of the material (s) feed length is alternately switched. Since the workpiece s having the inclined angle at the end has a trapezoidal shape, the side lengths are differently formed as d1 and d2 as shown in FIG. 4, The length of one side of the material (s) passing through is repeated as d1 and d2.

When the value of d1 or d2 which is the thickness and the cut angle of the material s using the input unit 15 and the initial cut length is input as a numerical value, the control unit 17 automatically sets the value of d1 or d2 corresponding to the initial input value Since the operation distance of the feeder p for feeding the material is calculated and calculated, the feed distance according to the angle change is constantly repeated, so that the standard of the material s is kept constant.

3, when the thickness t of the workpiece s is divided by the tan value of the cutting angle a, one side of the workpiece s according to the cutting angle a And the length d2 when both ends are obliquely cut is calculated accurately by removing d3 at both ends of the work (s) from the reference length d1. Since the numerical calculation is automatically performed by the control unit 17, the accurate length is calculated without any error even when various angles and lengths are changed, so that the user's troubles due to the calculation of the angle and the length are eliminated, and the defect due to the numerical error is reduced .

Further, a clamp 12 is provided at a position adjacent to the cutting edge 10 to fix the work s. The clamp 12 is operated in a state in which the feed of the material s by the feeder p is completed and presses and supports the conveyed material s to move the material s during processing by the cutting blade 10, It is possible to prevent the deviation from occurring and precise cutting can be performed.

The cutting blade 10 is angularly adjusted by a servomotor or stopped at an angle set by the stopper 18 and the sensor 19.

The actuating body 11 to which the cutting blade 10 is coupled is provided with a sensor 19 for sensing a rotation angle around the rotary table 11a at a predetermined interval as shown in FIGS. 4 and 5, Each of the sensors 19 is in contact with a sensing unit 19 'provided separately on the main body of the cutting apparatus in which the operating body 11 is accommodated. The sensor 19 detects the rotation angle of the cutting blade 10, A stop or direction switching signal is sent to the driving means m. Since the plurality of sensors 19 are linked with each other to control the rotation angle of the cutting edge 10, the cutting angle of the material can be freely adjusted as needed, and the cutting operation can be easily automated.

On the other hand, a plurality of stoppers 18 corresponding to the sensor 19 are provided around the rotary table 11a in order to restrain the rotation of the cutting blade 10. The stopper 18 is provided to prevent the cutting angle of the cutting edge 10 from deviating from the reference angle due to the fact that the rotary table 11a can not stop at the correct position due to the centrifugal force of the driving means m, Shaped first stopper 18a formed on the main body of the angle cutting device 11a and a second stopper 18b of a protruding structure formed on the main body of the angle cutting device so as to correspond to the first stopper 18a, Each stopper 18 is fixedly engaged with the stopper 18 when the stop signal is applied to the stopper 18 so as to physically restrain the rotary table 11a and rotate the cutting blade 10 about the angle adjusting shaft 13. [ To an accurate cutting angle.

For reference, the stopper 18 preferably employs a movable structure that protrudes only when it receives a stop signal of the sensor 19 so as to reduce abrasion and operating resistance due to constant contact.

The turning radius of the cutting blade 10 can be controlled by the servomotor. Servo motor is a kind of motor that receives external control signal and controls the rotation angle precisely. It is widely used for precise control of various automation facilities. The rotation angle of the cutting blade 10 can be accurately controlled by controlling the rotation angle of the rotary table 11a by receiving the signal of the control unit 17 as described above by employing the servo motor as the drive means m.

A cutting angle and thickness of a material and a length of a first cut portion of the material are input by using the input unit 15 in a state where the material s is fed into a feeder p in the form of a conveyor roller, And the control unit 17 controls the working distance and rotation angle of the cutting blade 10 and the feeder p for machining the workpiece s according to the input numerical values.

At this time, the control unit 17 automatically calculates the length change value of the workpiece reference plane according to the cutting angle change of the cutting blade 10 based on the inputted numerical value. For example, when the end portion is cut at 45 ° in a state in which the initial transporting length d1 of the material having a thickness of 30 mm is determined to be 350 mm, a thickness of 30 mm is divided into 30 mm ÷ tan 45 °, The length of the base of the inclined portion is calculated to be 30 mm, and the inclined portion is formed so as to correspond to both ends of the material s, so that the length of d2 becomes 290 mm.

When the feeding distance according to the cutting angle and the thickness of the material s is determined in this manner, the feeder p receiving the operation signal from the controller 17 feeds the material s to the angle adjusting shaft 20 having the cutting blade 10, (13) We alternately supply 350mm of d1 and 290mm of d2 to the line.

The cutting blade 10 provided on the angle adjusting shaft 17 is moved up and down on the operating body 11 composed of the guide frame 11b and the rotary table 11a at the lower end of the guide frame 11b, Is combined with the driving means m controlled by the control unit 17 to change the cutting angle as it is rotated according to a predetermined cutting angle.

When the feeder p feeds the work s by the distance dl of length dl in response to the signal from the controller 17, the rotary table 11a of the operating body 11 to which the cutting blade 10 is coupled rotates, The cutting angle control of the blade 10 is performed. In the embodiment, each of the sensors 19 and the stopper 18 formed on the rotary table 11a are formed at intervals of 45 [deg.] So that the tilt adjustment of 45 [deg.] Is performed by one operation, The stopper 18b is engaged with the cylinder and the first stopper 18a on the rotary table 11a by a piston operation to fix the angle.

In this state, when the cylinder (c) provided on the operating body 11 is operated, the cutting blade 10 descends to cut the material s. At this time, the material s which has been charged is clamped by the clamp 12 So that it does not deviate from its position even when it comes into contact with the cutting blade 10 which is lifted and lowered and rotated.

The cutting blade 10 having cut the material s immediately rises after the completion of cutting to prepare for the next cutting operation. When the cutting blade 10 is lifted up, the stopper 18 restraining the rotary table 11a is released and the angle for the next operation is inputted from the control unit 17 so that the rotary table 11a is rotated in the reverse direction And the d2 value of 290 mm previously calculated is fed to the feeder p so that the material s is fed again so that continuous processing is performed.

On the other hand, since the inserted material (s) is not machined to a precise length in advance, residuals that do not satisfy the machining length are generated after several successive cutting processes. In order to collect such residues, a discharge rail 21 is provided at one side of the feeder p so as to be slid downwards in a lateral direction so as to automatically discharge a material that can not be supported by the feeder p or the clamp 12, A storage box 22 is disposed at an end of the storage compartment 21 so that the collected waste can be easily collected.

10: Cutting blade 13: Angle adjusting shaft
15: input unit 17:
p: Feeding machine s: Material

Claims (2)

The cutting blade 10 is provided so as to cut the workpiece s fed through the feeder p by the lifting and lowering operation and the cutting blade 10 is pivoted about the angle adjusting shaft 13, And a rotary table 11a coupled to the center of the angle adjusting shaft and rotated by the driving means m,
The angle adjustment shaft 13 coincides coaxially with a line crossing vertically on one side of the workpiece s so that the reference point for the cut length is constant even if the angle and the width of the workpiece s are changed, Respectively,
And a control unit (17) for automatically controlling the length of the material supply while an input unit (15) for inputting a numerical value of the cutting length of the material (s) is provided,
A first stopper 18a and a sensor 19 are provided around the rotary table 11a and a sensor 19 'is provided on the body of the angle cutting device, a second stopper 18b of a protrusion structure, 2 stopper 18b, and a piston,
When the sensor 19 senses the rotation angle of the cutting blade 10 and reaches a predetermined angle, a stop signal is sent to the drive means m, and the second stopper 18b of the projection structure rotates the piston So that the rotary table (11a) is accurately stopped at a predetermined rotation angle so as to engage with the groove-shaped first stopper (18a). The method according to claim 1,
The control unit 17 calculates a cut length for another side only by numerically inputting the width of the material s, the cutting angle, and the cut length of any one side, and calculates the cut length by using the input cut length value and the calculated cut length value And the feed lengths of the material (s) are alternately switched.

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