KR101235391B1

KR101235391B1 - Tool transfer pot separation preventing device of double magazine

Info

Publication number: KR101235391B1
Application number: KR1020050128124A
Authority: KR
Inventors: 손재원
Original assignee: 두산인프라코어 주식회사
Priority date: 2005-12-22
Filing date: 2005-12-22
Publication date: 2013-02-20
Also published as: KR20070066680A

Abstract

The present invention provides a tool switching unit port departure prevention device of a double magazine to enable continuous unmanned operation by preventing the departure of the tool generated in the port switching movement passage during the tool exchange called in the double magazine. The present invention for achieving the above object is a port for the second magazine in the double magazine to move the corresponding port by the port clamp assembly to the first magazine side through the port switching movement passage for the tool change, Port departure prevention cylinder is provided close to the movement passage to operate as a working fluid, the port departure prevention cylinder is characterized in that the port guide for closing or opening the port switching movement passage in accordance with the operating direction of the operating rod is connected. .

Magazines, Pots, Machining Centers, Tools

Description

Tool transfer pot separation preventing device of double magazine

The following drawings, which are attached in this specification, illustrate preferred embodiments of the present invention, and together with the detailed description of the present invention, serve to further understand the technical spirit of the present invention. It should not be construed as limited to.

1 is a front view of a conventional double magazine.

Figure 2 is a front view of the main portion of the double magazine according to the present invention, showing a port separation prevention device installed in the port movement passage.

3 is a cross-sectional view taken along the line A-A of FIG.

4 is a cross-sectional view taken along line B-B of FIG. 2.

10: The first magazine

20: Second Magazine

32: port transfer cylinder

40: port for mobile switching

100: cylinder for preventing port release

110: port guide

120: anti-rotation pin

The present invention relates to a double magazine (DOUBLE MAGAZIN) of the machining center, in particular to prevent the departure of the port switch port of the double magazine to prevent the departure of the port generated in the passage for switching the port passing the tool port in the double magazine Relates to a device.

The tools necessary for cutting the workpiece in the machining center are installed through a port detachably mounted in a device called a magazine. If you can't accommodate all the tools you need for a magazine, use a double magazine.

Conventionally, a double magazine is provided with a first magazine 10 and a second magazine 20 disposed on one side thereof, as shown in FIG. 1, and in order to shift the tool port between these magazines 10, 20. A port clamp assembly (POT CLAMP ASS'Y) 30 is provided as in 3.

Therefore, the tool change in the conventional double magazine is performed as follows.

First, when there is a tool call located in the second magazine 20, the port having the tool moves to the standby port position 22 of the second magazine 20, and the port clamp assembly 30 moves to the corresponding port 24. ) Is transferred to the standby port position 24 of the first magazine 10 by the port transfer cylinder 32 while clamping. Thereafter, the first magazine 10 is rotated to move the corresponding port 24 to the tool change position, thereby performing a tool change.

Finally, in the first magazine 10, the tool that has been replaced with the tool is always moved to a fixed number. That is, the tool replaced by the tool change moves to the standby port position 24 of the first magazine 10, and is again clamped by the port clamp assembly 30 to the second magazine 20 by the cylinder 30. Will move.

As such, the first and second magazines 10 and 20 are rotated to move the corresponding port to the standby position when the tool is called. At this time, in the standby port position where the port clamp assembly 30 of the first and second magazines 10 and 20 does not exist, the port may be out of position due to vibration generated during machining or rotation of the magazine. During rotation, the port may be pinched by the magazine side guide 26 or the guide 26 may be broken to drop the tool from the port, or the port may come off.

Therefore, when the tool is called, the tool change is performed without the tool, and the machining progresses, resulting in the fact that the actual machining does not occur, thereby making continuous unmanned operation difficult during machining of the workpiece.

Therefore, the present invention was created in view of the above general circumstances, and the tool of the double magazine which enables continuous unmanned operation by preventing the deviation of the tool generated in the port switching movement passage during the tool exchange called in the double magazine. It is an object of the present invention to provide a switch port departure prevention device.

In order to achieve the above object,

In the second magazine side, a double magazine in which the corresponding port is moved by the port clamp assembly to the first magazine side through the port switching movement passage, so that the tool change is performed.

It is provided close to the port switching movement passage is provided with a port departure prevention cylinder that operates as a working fluid,

The port separation prevention cylinder is characterized in that the port guide for closing or opening the port switching movement passage in accordance with the operating direction of the operating rod is connected.

In addition, according to the present invention, the port guide is characterized in that the anti-rotation pin is further provided to suppress the rotation during the lifting operation.

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

Figure 2 is a front view of the main portion of the double magazine according to the present invention, a view showing the port departure prevention device installed in the port movement passage, Figure 3 is a cross-sectional view seen from the line AA of Figure 2, Figure 4 is a line BB of Figure 2 This is a cross-sectional view.

2 to 4, the first magazine 10 is connected to the corresponding port P on the side of the second magazine 20 by the port clamp assembly 30 through the port passage moving passage 40. In the double magazine which is moved to the side so that a tool change is performed, the port departure prevention cylinder 100 is arrange | positioned near the said port switching movement path.

Here, the port clamp assembly 30 is connected to the port transfer cylinder 32 and the rod end of the port transfer cylinder 32 as well known techniques to clamp the port by the force of the spring 33 and press the port by pressure oil. And a finger 34 for unclamping.

In this embodiment, the port separation prevention cylinder 100 is connected to a pneumatic source to move the cylinder rod forward and backward.

The port guide 110 is connected to the operation rod 101 of the port separation prevention cylinder 100, and the port guide 110 moves up and down in association with the operation direction of the operation rod.

The port guide 110 is located in the port switching movement passage 40 after the lowering operation to suppress the departure of the port (P) located in the standby port. In addition, the port guide 110 performs a function to secure the moving space of the standby port (P) by moving out of the port switching mobile passage 40 after the reverse operation.

The port guide 110 has a length corresponding to the straight section (L) of the port switching movement passage 40, the port guide 110 is preferably the anti-rotation pin 120 is placed so that rotation does not occur It is.

The anti-rotation pin 120 is placed in the port guide 100, the anti-rotation pin 120 is inserted into the guide hole 130a of the fixing block 130 fixed to the magazine body side. The anti-rotation pin 120 has a length that does not depart from the guide hole 130 when the port guide 100 moves to the bottom.

Therefore, the anti-rotation pin 120 is slid to the guide hole 130 in accordance with the lifting operation of the port guide 100 to prevent the port guide 100 from rotating the operation rod of the cylinder 100 for preventing port departure from the axis. do.

The operation of this embodiment configured as described above will be described.

First, when there is a tool call located in the second magazine 20, the port P of the tool moves to the standby port position 22 of the second magazine 20.

As such, while the tool moves to the standby port position 22 of the second magazine 20, the port release preventing cylinder 100 is operated to show the position where the port guide 100 is shown by the dashed line through the operation rod 100a. Lowered to be located in the port for the mobile passage 40 for switching.

On the other hand, if it is confirmed by the sensor (S) that the port of the tool is located in the standby port position 22 of the second magazine 20, the port departure prevention cylinder 100 operates in the reverse direction through the operation lot 100a. The port guide 100 rises and returns to its original position.

In this case, as shown in FIG. 3, the port clamp assembly 30 operates to transfer the port P to the first magazine 10 by the port transfer cylinder 32 while clamping the corresponding port P. Since the first magazine 10 is rotated to move the corresponding port (P) to the tool change position is a tool change.

Finally, in the first magazine 10, the tool that has been replaced with the tool is always moved to a fixed number. That is, the tool replaced by the tool change moves to the standby port position 24 of the first magazine 10. At this time, the port departure prevention actuator 100 is moved downward so that the port guide 110 is located in the port switching movement passage 40.

The tool located in the standby port of the first magazine 10 is clamped by the port clamp assembly 30 again after the port guide 110 is raised by the port release preventing actuator 100 and the second magazine by the cylinder 30. Go to (20).

As such, the first and second magazines 10 and 20 rotate to move the corresponding port to the standby position when the tool is called. During this rotation process, the port guide 110 switches the port by the port release preventing cylinder 100. Ports located in the first and second magazines 10 and 20 on both sides of the mobile passage 40 are moved to the port switching mobile passage 40 even when vibrations occur during rotation of the magazine. Will be suppressed.

At this time, since the port does not leave the position in the standby port position 22 or 24 where the port clamp assembly 30 of the first and second magazines 10 and 20 does not exist, the port is rotated when the magazine is rotated. There is no pinch, tool falling off, or port dropping.

When the tool is called in this way, the tool is changed to the state where the tool exists in the corresponding port, and the machining proceeds to enable continuous unmanned operation.

As described above, although the present invention has been described by way of limited embodiments and drawings, the present invention is not limited thereto, and the technical idea of the present invention and the following by those skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

As described above, according to the tool release portion port release prevention device of the double magazine of the present invention, the port guide is located in the port switching movement passage by the port release prevention cylinder during the rotation of the magazine, the rotating port is the port switching movement passage The tool can be exchanged precisely by preventing the abnormal port from leaving by moving away from the tool. The workpiece can be processed by continuous unmanned operation.

Claims

The second magazine 20 side clamps the corresponding port with the port clamp assembly 30, and then moves the port through the port transfer cylinder 32 to the first magazine 10 side through the port switching movement passage 40 to change the tool. In the double magazine that made it happen,

Is disposed close to the port switching movement passage 40 is provided with a port departure prevention cylinder 100 to operate as a working fluid,

The port departure prevention cylinder 100 of the double magazine, the port guide 110 for closing or opening the port switching movement passage 40 in accordance with the lifting operation direction of the operation rod is connected to the port separation prevention cylinder 100 Device.

The method of claim 1,

The port guide 110 is further provided with an anti-rotation pin 120 to suppress the rotation during the lifting operation of the port guide 110,

The anti-rotation pin (120) is a tool change port port departure prevention device of the double magazine, characterized in that inserted into the guide hole (130a) of the fixed block 130 fixed to the double magazine body side.