KR20180112532A - Automatic Machining Apparatus Having Measuring Devices, Operating Method Thereof - Google Patents

Abstract

Disclosed are an automatic processing system including a measurement unit and an operation method thereof. According to one embodiment of the present invention, the automatic processing system processing a plurality of grooves or holes spaced apart from each other at predetermined distances on a workpiece with a structure extended in one direction by a predetermined length comprises: a processing tool downwardly moved and spindle-rotated by control of a control unit; the measurement unit mounted adjacent to the processing tool, detecting a spacing distance between the processing tool and the workpiece, and transferring detected data to the control unit; and the control unit storing the data acquired from the measurement unit in a storage unit and controlling operation of the processing tool based on the data stored in the storage unit and a processing program. Accordingly, when a workpiece with a structure extended in one direction by a predetermined length is processed, a processing error in accordance with bending of the workpiece is able to be prevented.

Description

TECHNICAL FIELD [0001] The present invention relates to an automatic machining system including a measurement unit,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic machining system and a method of operating the same. More particularly, the present invention relates to an automatic machining system and a method of operating the same, which can prevent machining errors due to bending of an object And a method for operating the same.

In general, as high speed machining is developed to improve machining accuracy and productivity, it is necessary to increase the speed of spindle and transfer system in a milling machine or a machining center.

When a groove or a hole is machined on an object to be machined having a structure extended by a predetermined length in one direction using a milling machine or a machining center, as shown in Figs. 1 and 2, machining is performed in consideration of bending of the object Should be carried out.

For example, in a counter boring process in which a groove and a hole are formed at the same time, the bending of the object itself must be considered.

Further, when a pipe having a structure extended by a predetermined length in one direction is processed, a variety of bends are formed for each position of the pipe, and the machining equipment must be set in accordance with the bending in order to prevent machining errors.

Therefore, in order to solve such a problem, in the prior art, the operation order of the automatic synchronization error adjusting device for the feeding shaft of the machining center is specified as shown in FIG.

More specifically, the synchronous error automatic adjustment device for a machining center feed axis according to the related art includes a first current sensing sensor having a specific configuration, a second current sensing sensor, a comparison unit, and a control unit.

According to the related art, when the difference current value based on the output of the comparison unit is compared with the reference current value and the difference current value exceeds the reference current value, the first linear motor or the second linear motor is operated, Of the total amount of the exhaust gas.

However, the apparatus for automatically adjusting the synchronization error of the feeding shaft of the machining center according to the related art controls the position of the feeding shaft of the machining sensor only in consideration of the synchronization error with respect to the feeding shaft.

Therefore, when the method according to the related art is applied to a workpiece having a curved shape, there is a problem that the setting of the machining equipment must be changed every time according to the bending of the workpiece.

Accordingly, there is a need for an automatic machining system capable of solving the above-mentioned problems of the related art and a method of operating the same.

Korean Registered Patent No. 10-0953052 (Registered on April 07, 2010)

An object of the present invention is to provide an automatic machining system including a configuration capable of preventing machining errors due to bending of an object to be machined while processing an object to be machined having a structure extended by a predetermined length in one direction and a method of operating the same will be.

According to an aspect of the present invention, there is provided an automatic machining system for machining a plurality of grooves or holes spaced a predetermined distance apart from a workpiece having a structure extending in a predetermined direction in one direction, A processing tool located at a height spaced from the upper side of the object by a predetermined distance and driven downward under the control of the control unit and spindle-rotated; A measuring unit mounted adjacent to the processing tool for detecting a distance between the processing tool and the object to be processed and then transmitting the detected data to the control unit; And a control unit for storing the data acquired from the measurement unit in a storage unit and controlling the operation of the processing tool based on the data stored in the storage unit and the machining program.

In one embodiment of the present invention, the object to be processed may have a pipe structure extending by a predetermined length.

In one embodiment of the present invention, the automatic machining system may be configured to include two or more processing tools disposed at a distance corresponding to the distance of the grooves or holes to be formed in the object to be processed.

In one embodiment of the present invention, the control unit moves the machining tool in a state in which the spindle does not rotate to the upper surface of the object, detects a distance between the machining tool and the object, stores the distance in the storage, The machining program can be corrected by reflecting the distance data to the downward movement distance data of the machining tool.

In one embodiment of the present invention, the control unit moves the machining tool in a state in which the spindle does not rotate to the upper surface of the object, detects the distance between the object and the machining tool, If it exceeds the threshold value range, it can stop operation and alarm it to the operator.

In this case, the automatic machining system includes an output unit for calculating the degree of wear of the machining tool based on the distance data between the machining tool stored in the storage unit and the object to be machined, ; ≪ / RTI >

According to an aspect of the present invention, there is provided a method of operating an automatic machining system, comprising the steps of: a) providing an object to be machined having a structure elongated by a predetermined length in one direction, A step of mounting the object to be mounted on the processing system; b) an automatic machining system initialization step of storing, in a storage, a machining program including position information of the machining tool and position information of the machining object; And c) moving the machining tool in a state in which the spindle does not rotate to an upper surface of the object to detect a distance between the machining tool and the object to be machined and storing the distance in the storage, And a machining step of starting machining of the machining program after the machining program is corrected.

In one embodiment of the present invention, the automatic machining system operating method includes moving a machining tool in a state in which a spindle does not rotate to an upper surface of an object to be machined, detecting a distance between the machining tool and the object, And an emergency stop step of stopping the operation and generating an alarm to the operator when the distance exceeds the preset reference value range.

In one embodiment of the present invention, the automatic machining system operating method includes calculating a degree of wear of a machining tool based on data of a distance between a machining tool stored in a storage and an object to be machined, And a processing tool state output step of outputting the processing tool state using the processing tool state output step.

In one embodiment of the present invention, the automatic machining system operating method includes: machining program data stored in a storage, real-time position data of a machining tool, machining data based on machining tool data stored in a storage, And a machining state outputting step of outputting the machining state information about the object to the operator by using visual means.

As described above, according to the automatic machining system of the present invention, by providing the machining tool having the specific structure, the measuring unit, and the control unit, it is possible to improve the machining accuracy of the machining target, It is possible to provide an automatic machining system including a configuration capable of preventing a machining error caused by the machining operation.

According to the automatic machining system of the present invention, it is possible to precisely detect the distance between the object to be machined and the machining tool in the machining of a plurality of grooves or holes with respect to the object to be machined, It is possible to correct the machining error in real time by correcting the machining program according to the bending of the workpiece, and as a result, the machining result of high quality can be ensured.

According to the automatic machining system of the present invention, the degree of wear of the machining tool is calculated based on the distance data between the machining tool stored in the storage unit and the object to be machined, and information on the machining tool is output to the operator using visual means The state of the machining tool applied to the automatic machining system can be easily and accurately confirmed, and as a result, the time required for maintenance can be remarkably shortened.

Further, according to the automatic machining system operating method of the present invention, by including the object mounting step having a specific configuration, the automatic machining system initial setting step, and the machining performing step, machining of the object to be machined having a structure extended by a predetermined length in one direction It is possible to prevent machining errors caused by the curvature of the object to be machined, and as a result, high quality machining results can be ensured.

Further, according to the automatic machining system operating method of the present invention, it is possible to prevent damage to the object due to breakage of the machining tool by including the emergency stop step having a specific configuration.

Further, according to the automatic machining system operating method of the present invention, by including the machining tool state output step and the machining state output step of a specific configuration, the degree of wear of the machining tool and the machining state information on the machining object can be easily confirmed, So that the working efficiency can be remarkably improved.

1 is a perspective view showing a state in which a groove and a hole are formed in an object to be processed having a structure extending by a predetermined length in one direction.
Fig. 2 is a front view schematically showing the curvature of the object shown in Fig. 1 in an exaggerated manner.
3 is a flow chart showing an operation sequence of a synchronous error automatic adjustment device for a machining center feed axis according to the related art.
4 is a configuration diagram showing an automatic machining system according to an embodiment of the present invention.
5 is a configuration diagram showing an automatic machining system according to another embodiment of the present invention.
6 is a flowchart illustrating a method of operating an automatic machining system according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings. Prior to the description, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings and should be construed in accordance with the technical concept of the present invention.

Throughout this specification, when a member is "on " another member, this includes not only when the member is in contact with another member, but also when there is another member between the two members. Throughout this specification, when an element is referred to as "including" an element, it is understood that it may include other elements as well, without departing from the other elements unless specifically stated otherwise.

FIG. 4 is a block diagram showing an automatic machining system according to an embodiment of the present invention, and FIG. 5 is a block diagram showing an automatic machining system according to another embodiment of the present invention. 6 is a flowchart showing a method of operating an automatic machining system according to an embodiment of the present invention.

Referring to FIG. 4, the automatic machining system 100 according to the present embodiment includes a plurality of grooves 11 or holes (not shown) spaced apart by a predetermined distance from the object to be processed 10, 12).

The automatic machining system 100 according to the present embodiment is a system capable of machining a workpiece having a structure extended by a predetermined length without machining defects, and may be a pipe or a twisted column structure as a preferred example of the workpiece.

The automatic machining system according to the present embodiment includes the machining tool 110 having the specific configuration, the measuring unit 120, and the control unit 140, so that, in processing an object to be machined having a structure extending by a predetermined length in one direction, It is possible to provide an automatic machining system including a configuration capable of preventing machining errors caused by bending of the workpiece.

Hereinafter, each configuration of the automatic machining system 100 according to the present embodiment will be described in detail with reference to the drawings.

As shown in Fig. 4, the processing tool 110 according to the present embodiment is configured to be positioned at a height spaced apart from the upper side of the object 10 by a predetermined distance, and two or more can be mounted.

The machining tool 110 is configured to be downwardly driven and spindle rotated under the control of the control unit 140. [

4, the automatic machining system 100 according to the present embodiment may be a configuration including two or more machining tools 111, 112, and 113. As shown in Fig.

In this case, it is preferable that the two or more processing tools 111, 112, and 113 are disposed apart from each other by a distance corresponding to the distance of the grooves 11 or holes 12 to be formed in the object 10.

The measurement unit 120 according to the present embodiment can be mounted adjacent to the processing tool 110 to detect a separation distance between the processing tool 110 and the object 10 as shown in Fig. . At this time, the detected data is transmitted to the controller 140.

The measuring unit 120 calculates the position information of the first machining tool 110 and the position information of the machining tool 110 at a moment when the machining tool 110 is downwardly moved to make contact with the object 10, The distance between the tool 110 and the object 10 can be detected. At this time, it is preferable that the machining tool 110 does not rotate the spindle.

The control unit 140 according to the present embodiment may be configured to mount the storage unit 130 in which the machining program is stored, as shown in FIG.

The control unit 140 controls the operation of the machining tool 110 based on the data stored in the storage unit 130 and the machining program, can do.

More specifically, the control unit 140 moves the machining tool 110 in a state in which the spindle does not rotate to the upper surface of the object 10 to detect the distance between the tool 110 and the object 10 And may be stored in the storage unit 130. Thereafter, the control unit 140 may correct the machining program by reflecting the stored distance data stored in the downward movement distance data of the machining tool 110.

Therefore, the operator who operates the automatic machining system 100 according to the present embodiment does not have to set the equipment setting every time according to the bending of the object, and accordingly, the time required for the work can be remarkably shortened, It is possible to cut off processing defects due to an input error.

The control unit 140 according to the present embodiment detects the distance between the processing tool 110 and the object to be processed by moving the processing tool 110 in a state in which the spindle does not rotate to the upper surface of the object, If the distance exceeded the preset reference value range, the operation can be stopped and an alarm can be issued to the operator.

The automatic machining system 100 according to the present embodiment including such a configuration can prevent machining failures from occurring by blocking not only human errors but also malfunctions of the automatic machining system.

5, the automatic machining system 100 according to the present embodiment calculates the distance data between the machining tool 110 and the object 10 stored in the storage unit 130, And an output unit 150 for calculating the degree of wear of the machining tool 110 and outputting information about the degree of wear to the operator using visual means.

In this case, by providing the output unit 150, it is possible to easily and accurately check the state of the processing tool applied to the automatic processing system 100, and as a result, the time required for maintenance can be remarkably shortened.

6 is a flowchart showing a method of operating an automatic machining system according to an embodiment of the present invention.

Referring to FIG. 6 together with FIG. 5, an automatic machining system operating method S100 according to the present embodiment includes the steps of mounting a workpiece S1 having a specific configuration, an automatic machining system initializing step S120, S130).

Specifically, the object mounting step (S100) is a step of mounting the object to be machined (10) in the automatic machining system (100) with a structure extending by a predetermined length in one direction as shown in Fig.

The automatic machining system initial setting step S120 is a step of storing the machining program including the position information of the machining tool 110 and the position information of the object 10 in the storage unit 130. [

At this time, the data input by the operator is stored in the storage unit 130, and the control unit 140 can control the operation of the processing tool 110 based on the data stored in the storage unit 130 and the machining program.

In the machining step S130, the machining tool 110 in a state in which the spindle does not rotate is moved to the upper surface of the object 10 to detect the distance between the tool 110 and the object 10 And the machining program is corrected by reflecting the stored distance data on the downward movement distance data of the machining tool 110, and then the machining on the corresponding part is started.

6, the automatic machining system operating method S100 according to the present embodiment includes an emergency stop step S140, a machining tool state output step S150, and a machining state output step S160, As shown in FIG.

More specifically, in the emergency stop step S140, the machining tool 110 in a state in which the spindle does not rotate is moved to the upper surface of the object 10 so that the distance between the tool 110 and the object 10 When the detected distance exceeds the preset reference value range, the operation is stopped and an alarm is issued to the operator.

The processing tool state output step S150 calculates the degree of wear of the processing tool 110 based on the distance data between the processing tool 110 and the object 10 stored in the storage unit, And outputting it using a visual means.

The machining state output step S160 is a step of outputting the machining program data stored in the storage unit 130, the real-time position data of the machining tool 110, the machining tool 110 stored in the storage unit 130, And outputting processing state information about the object to be processed 10 to the operator using visual means based on the separation distance data.

Accordingly, in the automatic machining system operating method (S100) according to the present embodiment including such a configuration, in machining an object to be machined having a structure extending by a predetermined length in one direction, it is possible to prevent machining errors As a result, high-quality processing results can be guaranteed.

Further, according to the automatic machining system operating method (S100) of the present invention, by including the emergency stop step (S140) having a specific configuration, it is possible to prevent the object from being damaged due to breakage of the machining tool.

According to the automatic machining system operating method (S100) of the present invention, by including the machining tool state output step (S150) and the machining state output step (S160) of a specific configuration, the degree of wear of the machining tool, It is possible to easily confirm the processing state information, and as a result, the work efficiency can be remarkably improved.

In the foregoing detailed description of the present invention, only specific embodiments thereof have been described. It is to be understood, however, that the invention is not to be limited to the specific forms thereof, which are to be considered as being limited to the specific embodiments, but on the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the invention as defined by the appended claims. .

That is, the present invention is not limited to the above-described specific embodiment and description, and various changes and modifications may be made without departing from the spirit and scope of the invention as defined in the appended claims. And such variations are within the scope of protection of the present invention.

10: object to be processed
11: Groove
12: Hall
100: Automatic machining system
110: Processing tool
111: Processing tool
112: Processing tool
113: Processing tool
120:
130:
140:
150:
S100: How to operate the automatic machining system
S110: object mounting step
S120: Initial setting step of automatic machining system
S130: Step of performing machining
S140: ground stop step
S150: Processing tool status output step
S160: Processing state output step

Claims (10)

An automatic machining system (100) for machining a plurality of grooves (11) or holes (12) spaced apart by a predetermined distance from a workpiece (10) having a structure extended by a predetermined length in one direction,
A processing tool 110 positioned at a predetermined distance from the upper side of the object 10 to be driven and spindle-rotated under the control of the control unit 140;
A measuring unit 120 mounted adjacent to the processing tool 110 to detect a distance between the processing tool 110 and the object 10 and then transmit the detected data to the control unit 140; And
A control unit 140 that stores data acquired from the measurement unit 120 in the storage unit 130 and controls the operation of the processing tool 110 based on data stored in the storage unit 130 and a machining program;
And an automatic machining system.
The method according to claim 1,
Wherein the object to be processed (10) has a pipe structure extending by a predetermined length.
The method according to claim 1,
The automatic machining system 110 includes at least two machining tools 111, 112 and 113 arranged at distances corresponding to distances of the grooves 11 or holes 12 to be formed in the object 10 The automatic machining system comprising:
The method according to claim 1,
The control unit (140)
The processing tool 110 in a state in which the spindle does not rotate is moved to the upper surface of the object 10 to detect the distance between the tool 110 and the object 10 and stored in the storage unit 130,
And the machining program is corrected by reflecting the stored distance data to the downward travel distance data of the machining tool (110).
The method according to claim 1,
The control unit (140)
When the machining tool 110 in a state in which the spindle does not rotate is moved to the upper surface of the object to be machined to detect the distance between the machining tool 110 and the object to be machined and if the detected distance exceeds the preset reference value range, And the operation is stopped and an alarm is generated to the operator.
The method according to claim 4 or 5,
The automatic machining system (100)
The degree of wear of the machining tool 110 is calculated based on the data of the distance between the machining tool 110 and the object 10 stored in the storage unit 130 and the information about the degree of wear of the machining tool 110 is output to the operator using visual means An output unit 150 for outputting an output signal;
Further comprising an automatic machining system.
A method (S100) for operating an automatic machining system according to any one of claims 1 to 6,
a) an object mounting step (S110) of mounting the object to be processed (10) having a structure extending by a predetermined length in one direction to the automatic processing system (100);
b) an automatic machining system initialization step (S120) of storing the machining program including the position information of the machining tool 110 and the position information of the object 10 in the storage unit 130; And
c) The machining tool 110 in a state in which the spindle does not rotate is moved to the upper surface of the object 10 to detect the distance between the object 110 and the object to be processed 10 and stored in the storage unit 130 (S130) of correcting the machining program by reflecting the stored distance data on the downward movement distance data of the machining tool 110, and then starting machining of the machining area;
Wherein the automatic machining system comprises:
8. The method of claim 7,
The automatic machining system operating method (SlOO)
The machining tool 110 in a state in which the spindle does not rotate is moved to the upper surface of the object 10 to detect the distance between the tool 110 and the object 10, An emergency stop step (S140) for stopping the operation and generating an alarm to the operator if the operation is exceeded;
Further comprising the steps < RTI ID = 0.0 > of: < / RTI >
8. The method of claim 7,
The automatic machining system operating method (SlOO)
A machining tool 110 for calculating the degree of wear of the machining tool 110 based on the distance data between the machining tool 110 and the object 10 stored in the storage unit and outputting information about the degree of wear to the operator using visual means State output step (S150);
Further comprising the steps < RTI ID = 0.0 > of: < / RTI >
8. The method of claim 7,
The automatic machining system operating method (SlOO)
Based on the machining program data stored in the storage unit 130, the real-time position data of the machining tool 110, and the distance data between the machining tool 110 stored in the storage unit 130 and the object 10, 10) to the operator using visual means (S160);
Further comprising the steps < RTI ID = 0.0 > of: < / RTI >

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