KR101659275B1 - Air Browing and push device of the CNC lathe - Google Patents

Air Browing and push device of the CNC lathe Download PDF

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Publication number
KR101659275B1
KR101659275B1 KR1020150053570A KR20150053570A KR101659275B1 KR 101659275 B1 KR101659275 B1 KR 101659275B1 KR 1020150053570 A KR1020150053570 A KR 1020150053570A KR 20150053570 A KR20150053570 A KR 20150053570A KR 101659275 B1 KR101659275 B1 KR 101659275B1
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KR
South Korea
Prior art keywords
hole
air supply
chuck
motor
air
Prior art date
Application number
KR1020150053570A
Other languages
Korean (ko)
Inventor
이상원
Original Assignee
일륭기공(주)
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Priority to KR1020150053570A priority Critical patent/KR101659275B1/en
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Publication of KR101659275B1 publication Critical patent/KR101659275B1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/0075—Devices for removing chips for removing chips or coolant from the workpiece after machining
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/003—Work or tool ejection means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02—Chucks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
    • B23Q11/0042—Devices for removing chips
    • B23Q11/005—Devices for removing chips by blowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B2270/00—Details of turning, boring or drilling machines, processes or tools not otherwise provided for
    • B23B2270/30—Chip guiding or removal

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Auxiliary Devices For Machine Tools (AREA)

Abstract

The present invention relates to an air blowing and pushing device of a computerized numerical control (CNC) lathe which has a pushing means having a push rod separating a machined material from a chuck to be positioned between a motor and the chuck, and has an air supply means removing chips produced from a material by spraying high-pressured air through a fixed hole provided in the chuck in the motor to be connected to the fixed hole when a machined material separates from the chuck by the pushing means, thereby removing chips and separating a material clamped by the chuck simultaneously.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a pushing and air-

More particularly, the present invention relates to a push and air brewing device for a CNC lathe, and more particularly, to a push and air braking device for a CNC lathe having a push rod provided with a push rod for separating a cut material from a chuck, An air supplying means for injecting high-pressure air into a fixing hole provided in the chuck to remove chips generated from the material is installed in the motor so as to be connected to the fixing hole, The present invention relates to a pushing and air-blowing apparatus of a CNC lathe, which is capable of improving the productivity of a workpiece to be cut by reducing the cutting time and the work process, as the chuck separates the clamped material and simultaneously removes the chip.

In general, CNC (Computerized Numerical Control) lathe is used to program the data of machining shape, machining conditions and machining operation by computer, and to precisely process the material by using signals supplied from a computer.

The CNC lathe for precisely machining the material has a motor rotating at a high speed as in the registered Utility Model No. 0393854, a chuck for clamping the material to be processed while being rotated on the same vertical line as the motor, A fixing part for supporting the center of the end of the workpiece clamped to the chuck and a turret for coupling the cutting tool to the workpiece by approaching the machining position of the workpiece coupled between the chuck and the fixing part.

Therefore, when the workpiece is clamped on the chuck, the motor is driven to rotate the workpiece clamped on the chuck at high speed, and the cutting tool approaches the working position of the rotated workpiece at high speed as shown in FIG. (B) of Fig.

The CNC lathe thus constructed is provided with a material supply device for supplying and withdrawing the material between the chuck and the fixing portion.

Since the material supply device is installed on the CNC lathe for cutting the material, it is possible to automatically perform all processes of supplying and processing the material with the CNC lathe, thereby reducing the working time and the work process, Can be improved.

That is, when a material is supplied from a material supply device coupled vertically, the chuck installed to be connected to the motor receives the rotational force of the motor driven after clamping the material, and rotates the material to be processed at high speed.

When the workpiece clamped on the chuck is rotated at a high speed, the cutting tool coupled to the turret is moved toward the work position of the workpiece as shown in Fig. 1 (a) to cut the workpiece as shown in Fig. 1 (b).

When the cutting operation of the material is completed in this way, the material supply device is introduced into the CNC lathe again, and the clamped material is separated from the chuck, and then the material is supplied again.

Therefore, the CNC lathe for cutting the material and the material supplying device for supplying the material to the CNC wafers are automatically operated, so that the time for cutting the material can be reduced and the productivity of the material to be cut can be increased.

However, in the conventional CNC lathe push and air blowing apparatus, a chip is generated as shown in FIG. 1 (a) when a workpiece is processed by using a cutting tool provided in a turret. In a conventional CNC lathe, Since the chip can not be removed at the same time as the pull-out, the operator must remove the chip provided in the material by using a separate working tool, so that the working time is prolonged and the productivity of the processed material is lowered .

In order to separate the machined material from the chuck, it is necessary to fabricate a CNC lathe to move the chuck connected to the motor up and down. Therefore, it is not easy to manufacture the CNC lathe. In order to move the motor and chuck up and down, The apparatus has to be installed on the CNC lathe, resulting in an increase in the manufacturing cost of the CNC lathe.

Conventionally, in order to supply the material to the chuck by using the material supply device or to separate the supplied material from the chuck, it is not easy to manufacture the CNC lathe because the chuck for clamping the motor and the material must be installed vertically. .

Therefore, in order to solve the above problems, the present invention is characterized in that a pushing means provided with a push rod for separating the cut material from the chuck is installed between the motor and the chuck, An air supply means for injecting high-pressure air into a fixing hole provided in the chuck to remove chips generated from the material is installed in the motor so as to be connected to the fixing hole, so that the material is separated from the chuck, It is possible to reduce the manufacturing time and the work process of the material to be cut, thereby improving the productivity of the cut material, and the air supplied from the air supply unit of the air supply means is supplied to the body of the motor Since the air is injected through the first air supply hole provided in the push rod and the second air supply hole provided in the push rod, The present invention provides a pushing and air-blowing apparatus of a CNC lathe which minimizes installation space of the means.

According to an aspect of the present invention,

A motor;

A chuck having a fixing hole to which the workpiece is clamped so that the cutting tool can be cut by machining the material to be machined while being rotated by receiving the rotational force of the motor;

An air supply means installed on one surface of the motor for jetting high-pressure air into the fixing hole so as to remove chips generated in the material when the material is processed by the cutting tool;

And a pushing means having a push rod for separating the processed material from the fixed hole,

A second air supply hole is formed at the center of the push rod so as to inject high pressure air supplied from the air supply means into the fixing hole so that the cut material can be separated from the chuck and simultaneously the chip provided in the material can be removed .

According to the present invention, a push means provided with a push rod for separating the cut material from the chuck is provided between the motor and the chuck, and when the cut material is separated from the chuck by using the push means, An air supply means for injecting air of a predetermined size into a fixing hole provided in the chuck to remove chips generated from the material is installed in the motor so as to be connected to the fixing hole so that the material is separated from the chuck, Therefore, it is possible to reduce the production time and work process of the material to be cut, and to improve the productivity of the cut material.

Since the air supplied from the air supply unit of the air supply means is injected into the material through the first air supply hole provided in the body portion of the motor and the second air supply hole provided in the push rod, It is possible to expect a minimizing effect.

BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a view showing machining of a workpiece using a cutting tool; Fig.
2 is a view of a push and air brewing device of a CNC lathe of the present invention.
3 is a view showing a state in which a push means and an air supplying means are installed in a push and air blowing apparatus of a CCS lathe of the present invention.
4 is a view showing an operation state of a push and air brewing apparatus of a CNC lathe according to the present invention.
5 is a partially enlarged cross-sectional view showing an operating state of the mobile unit of the present invention.
6 is an exploded perspective view of the mobile unit of the present invention.
7 is a view showing a nozzle installed in a push and air bending device of a CNC lathe of the present invention.

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

According to the drawings,

A motor 20;

A chuck (30) having a fixing hole (31) to which the workpiece is clamped so that the cutting tool can be cut by machining a material to be machined while being rotated by receiving the rotational force of the motor (20);

An air supply means (80) installed on one surface of the motor (20) so as to remove chips generated in the workpiece when the workpiece is machined by a cutting tool, and to inject high pressure air into the fixing hole (31);

And a pushing means (40) provided with a push rod (73) for separating the processed material from the fixing hole (31)

A second air supply hole 110 is formed at the center of the push rod 73 so as to inject high pressure air supplied from the air supply means 80 into the fixing hole 31, (30) and simultaneously remove the chip provided in the material.

The motor 20, the fixing chuck 30, the pushing means 40 and the air supplying means 80 for cutting the work with the work clamped as described above are installed in the case 10 having the door 11 as shown in FIG. As shown in FIG.

The material supplied to the fixing hole 31 of the chuck 30 provided in the case 10 is automatically supplied using the material supply means 150 as shown in FIG.

The material supply unit 150 may be a gantry robot, a horizontal supply unit, a robot arm, or the like.

An air supply means 80 for supplying a high-pressure air to the chuck 30 and the chuck 30 so as to remove chips provided on the material finished by the cutting tool is installed so as to be connected to the motor 20 and the chuck 30. [

The air supply means 80 includes an air supply portion 90 for generating high-pressure air on one surface of the body portion 21 of the motor 20,

And a first air supply hole 93 for supplying high-pressure air supplied from the air supply unit 90 to the second air supply hole 110 is formed in the body 21. [

The air supply portion 90 for discharging the high-pressure air through the first and second air supply holes 93 and 110 is composed of a compressor or the like. The high- The air is supplied to the first air supply hole 93 formed in the body portion 21 through the air tube 91 having the connection nozzle 92 as shown in FIG.

As described above, the push means 40 for removing the chip provided on the work and using the high-pressure air supplied from the air supply means 80 and for separating the clamped work to the chuck 30,

A power transmission unit 23 coupled between the motor 20 and the chuck 30 and having a flow hole 24 for transmitting rotational force of the motor 20 to the chuck 20;

A cylinder 50 coupled to one surface of the motor 20 and having a cylinder rod 51 moved along a through hole 22 formed at the center of the body 21 of the motor 20;

And is connected to the end of the cylinder rod 51 so that the push rod 73 separating the machined material from the chuck 30 is moved while being moved in the flow hole 24 along the direction in which the cylinder rod 51 is moved And a mobile unit (60) which is connected to the mobile unit.

6, the moving unit 60 is installed at the end of the cylinder rod 51 so as to be located inside the through-hole 22 so that the air supplied through the first air supply hole 93 passes through the through- A connection portion 70 for preventing the airflow from flowing out to the outside through the connection portion 70;

Shaped shape that moves the push rod 73 to the fixing hole 31 and separates the clamped workpiece from the chuck 30 while being moved in the flow hole 24 according to the direction in which the connection part 70 is moved And a moving unit 71,

The connection unit 70 is formed with a first chamber 100 having an inlet hole 101 through which air supplied to the first air supply hole 93 flows,

And a second chamber (72) through which air supplied through the first chamber (100) flows is formed in the moving part (71).

A cylinder rod 51 and a push rod 73 provided in the cylinder 50 using the moving unit 60 and a first air supply hole 93 and a second air supply hole 93 provided in the motor 20, The push rod 73 is moved in the direction in which the cylinder rod 51 is moved so that the cut material can be separated from the chuck 30 and the movable unit 60 can be configured The connecting portion 70 and the moving portion 71 which are connected to the power transmitting portion 23 block the through hole 22 formed in the motor 20 and the flow hole 24 formed in the power transmitting portion 23, The high-pressure air generated from the high-pressure pump 90 is strongly injected into the fixing hole 31 through the second air supply hole 110 of the push rod 73, so that the chip attached to the finished workpiece can be removed .

That is, the high-pressure air supplied to the air supply unit 90 is supplied to the first chamber 100 provided in the connection unit 70 through the first air supply hole 93 formed in the body portion 21 of the motor 20 And the air introduced into the first chamber 100 flows into the second chamber 72 formed in the moving body 71a of the moving part 71. The air thus introduced into the second chamber 72 The air is supplied to the fixing hole 31 provided in the chuck 30 through the second air supply hole 110 of the push rod 73 coupled to the moving part 71 and attached to the surface of the finished material The chip is removed.

The connecting portion 70 and the moving portion 71 are formed into a rod shape as shown in FIG. 6 and the connecting portion 70 and the moving portion 71 are coupled by bearings, The push rod 73 rotates in a direction in which the motor 20 rotates in response to the rotational force of the motor 20 to rotate the push rod 73.

Accordingly, the high-pressure air introduced into the second chamber 72 of the moving body 71a of the moving part 71 through the first chamber 100 moves in the direction in which the moving part 71 and the push rod 73 rotate So that the chip provided on the work can be removed while being evenly sprayed on the outer circumferential surface of the finished work.

The preferred operating conditions and effects of the present invention will now be described.

2, the door 11 provided in the case 10 is opened and a material is supplied to the fixing hole 31 provided in the chuck 30 through the material supply means 150, so that the chuck 30 Allow the material to be clamped.

When the chuck 30 clamps the workpiece, the motor 20 is driven so that the rotational force of the motor 20 is supplied to the chuck 30 through the power transmitting portion 23, .

As the chuck 30 rotates, a cutting tool installed inside the case contacts the machining position of the workpiece to machine the workpiece.

At this time, the fixing part 160 is coupled to the center of the end of the workpiece clamped to the chuck 30 as in the prior art.

When the cutting operation of the workpiece is completed using the cutting tool, the cylinder rod 51 penetrating through the through hole 22 provided at the center of the motor 20 as shown in Fig. 3 is moved to the right side in the figure 50 are operated.

The cylinder rod 51 is moved to the right in the drawing due to the operation of the cylinder 50. The moving unit 60 coupled to the end of the cylinder rod 51 so as to be connected to the push rod 73, The push rod 73 is moved in the rightward direction in the drawing through the through hole 22 and the through hole 24 and the end of the push rod 73 presses the material bonded to the chuck 30, So that the finished material is released from the chuck 30.

5 (a), the connecting portion 70 of the moving unit 60 is moved to the inside of the moving portion 71 formed in a 'C' shape The distal end of the connecting portion 70 is inserted into the moving portion 71 while the moving portion 71 is moved along the flow hole 24 to the right in the drawing as shown in FIG. 5 (b).

The push rod 73 coupled to the moving part 71 moves along the flow hole 24 formed in the power transmission part 23 as the moving part 71 moves to the right, And moves the clamped material from the chuck 30 while moving to the fixing hole 31 provided in the chuck 30.

The material removed from the chuck 30 by the push rod 73 of the push means 40 is moved to the outside of the case 10 through the material supply means 150 after the cutting process.

The air supply portion 90 of the air supply means 80 coupled to one surface of the motor 20 is operated simultaneously with the operation of the push means 40 and the high pressure air is supplied to the body portion 21 of the motor 20 And supplies it to the first air supply hole 93 formed therein.

The high pressure air supplied to the first air supply hole 93 flows through the inlet hole 101 provided in the connecting portion 70 of the connecting portion 60 of the moving unit 60 as shown in FIG. The air introduced into the first chamber 100 flows into the first chamber 100 through the second chamber 72 provided in the moving part 71 through the opening end of the first chamber 100 .

The high pressure air moved to the second chamber 72 is strongly forced into the fixing hole 31 of the chuck 30 through the second air supply hole 110 of the push rod 73 coupled to the moving part 71 And removing chips generated from the material that has been subjected to the cutting process.

Since the connecting portion 70 and the moving portion 71 are coupled to each other by the bearing so that the moving portion 71 rotates in the direction in which the motor 20 rotates to rotate the push rod 73, The high-pressure air supplied to the second chamber 72 is strongly injected into the fixing hole 31 through the push rod 73 to remove the chip provided in the work.

That is, the high-pressure air generated from the air supply unit 90 flows through the first air supply hole 93 into the connecting portion 70 having the first and second chambers 100 and 72, The connecting portion 70 is not rotated and the connecting portion 71 to which the push rod 73 is coupled is rotated by the rotation of the motor 20 Direction.

The high pressure air supplied to the second air supply hole 110 of the push rod 73 due to the rotation of the moving part 71 and the push rod 73 coupled to the moving part 71 causes jet phenomenon A phenomenon in which the outside air is strongly discharged to the outside at the same time as the inflow of the outside air) can be obtained.

At this time, as shown in FIG. 7, a discharge nozzle 120 having at least three discharge holes 121 is coupled to an end of the push rod 73.

A high pressure air discharged to the outside through the discharge hole 121 is uniformly sprayed on the outer circumferential surface of the workpiece by engaging the discharge nozzle 120 having at least three discharge holes 121 at the end of the push rod 73 , Chips formed on the outer circumferential surface of the workpiece can be quickly removed.

In addition, since the cut material is removed to the push rod 73 of the push means 40 and the chip provided in the material is removed using the high pressure air supplied from the air supply means 80, Since the operator does not have to remove the chip in order to remove the chips provided on the workpiece, it is possible to reduce the cutting operation time and process of the workpiece to be cut, thereby improving the productivity of the cut workpiece.

The high pressure air supplied to the air supply unit 90 is strongly injected into the fixing hole 31 through the second air supply hole 110 provided in the push rod 73, .

The material clamped to the chuck 30 can be quickly separated from the chuck 30 by the pressure applied from the push rod 73 and can be separated from the chuck 30 by the force of movement of the push rod 73 Therefore, it is not necessary to vertically install the chuck connected to the motor as in the prior art, so that the CNC lathe can be easily manufactured.

10: case, 11: door,
20: motor, 21: body part,
22: through hole, 23: power transmitting portion,
24: flow hole, 30: chuck,
31: fixing hole, 40: pushing means,
50: cylinder, 51: cylinder rod,
60: moving unit, 70: connecting part,
71: moving unit, 71a: moving unit,
72: second chamber, 73: push rod,
80: air supply means, 90: air supply portion,
91: air tube, 93: first air supply hole,
100: first chamber, 101: inflow hole,
110: second air supply hole, 120: discharge nozzle,
121: discharge hole, 150: material supply means,
160: Go government,

Claims (5)

A motor 20;
A chuck (30) having a fixing hole (31) to which the workpiece is clamped so that the cutting tool can be cut by machining a material to be machined while being rotated by receiving the rotational force of the motor (20);
An air supply means (80) installed on one surface of the motor (20) so as to remove chips generated in the workpiece when the workpiece is machined by a cutting tool, and to inject high pressure air into the fixing hole (31);
And a pushing means (40) provided with a push rod (73) for separating the processed material from the fixing hole (31)
A second air supply hole 110 for spraying the high pressure air supplied from the air supply means 80 to the fixing hole 31 is formed at the center of the push rod 73, And the chip provided in the material can be removed at the same time,
The push means 40 includes a power transmission portion 23 coupled between the motor 20 and the chuck 30 and provided with a flow hole 24 for transmitting the rotational force of the motor 20 to the chuck 20, ;
A cylinder 50 coupled to one surface of the motor 20 and having a cylinder rod 51 moved along a through hole 22 formed at the center of the body 21 of the motor 20;
And is connected to the end of the cylinder rod 51 so that the push rod 73 separating the machined material from the chuck 30 is moved while being moved in the flow hole 24 along the direction in which the cylinder rod 51 is moved And a mobile unit (60)
The moving unit 60 is installed at the end of the cylinder rod 51 so as to be positioned inside the through hole 22 so that air supplied through the first air supply hole 93 flows out through the through hole 22 A connection portion 70 for preventing the connection portion 70 from being damaged;
Shaped shape that moves the push rod 73 to the fixing hole 31 and separates the clamped workpiece from the chuck 30 while being moved in the flow hole 24 according to the direction in which the connection part 70 is moved And a moving unit 71,
The connection unit 70 is formed with a first chamber 100 having an inlet hole 101 through which air supplied to the first air supply hole 93 flows,
Wherein the second chamber (72) through which the air supplied through the first chamber (100) flows is formed in the moving part (71).
The apparatus according to claim 1, wherein the air supply means (80)
An air supply portion 90 for generating high-pressure air is formed on one surface of the body portion 21 of the motor 20,
And a first air supply hole (93) for supplying high pressure air supplied from the air supply unit (90) to the second air supply hole (110) is formed in the body part (21) Blowing device.
The method according to claim 2,
The first air supply hole 93 and the second air supply hole 110 are connected to each other by a moving unit 60 constituting the push means 40. The push and air blowing Device.
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KR1020150053570A 2015-04-16 2015-04-16 Air Browing and push device of the CNC lathe KR101659275B1 (en)

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Application Number Priority Date Filing Date Title
KR1020150053570A KR101659275B1 (en) 2015-04-16 2015-04-16 Air Browing and push device of the CNC lathe

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101837902B1 (en) * 2017-05-12 2018-03-13 박중관 Cnc lathe
KR101837901B1 (en) * 2017-05-12 2018-03-13 박중관 Cnc lathe
CN111390636A (en) * 2020-04-25 2020-07-10 何小红 Auxiliary device for preventing machine tool from being clamped and using method
CN111390635A (en) * 2020-04-25 2020-07-10 何小红 Composition of scrap clamping auxiliary device for preventing machine tool from being clamped

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0683942B2 (en) * 1986-03-27 1994-10-26 西部電機工業株式会社 Work unloading method for NC lathe
KR20020052705A (en) * 2000-12-26 2002-07-04 밍 루 A servo stopper device for working the multi-kinds lod
JP2006088326A (en) * 2004-09-21 2006-04-06 Doosan Infracore Co Ltd Work piece injecting device of machine tool
KR101495888B1 (en) * 2014-11-03 2015-03-02 유학현 Finger chuck for having a hollow to blow air

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0683942B2 (en) * 1986-03-27 1994-10-26 西部電機工業株式会社 Work unloading method for NC lathe
KR20020052705A (en) * 2000-12-26 2002-07-04 밍 루 A servo stopper device for working the multi-kinds lod
JP2006088326A (en) * 2004-09-21 2006-04-06 Doosan Infracore Co Ltd Work piece injecting device of machine tool
KR101495888B1 (en) * 2014-11-03 2015-03-02 유학현 Finger chuck for having a hollow to blow air

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101837902B1 (en) * 2017-05-12 2018-03-13 박중관 Cnc lathe
KR101837901B1 (en) * 2017-05-12 2018-03-13 박중관 Cnc lathe
CN111390636A (en) * 2020-04-25 2020-07-10 何小红 Auxiliary device for preventing machine tool from being clamped and using method
CN111390635A (en) * 2020-04-25 2020-07-10 何小红 Composition of scrap clamping auxiliary device for preventing machine tool from being clamped

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