JP3168644B2 - Tool magazine device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tool magazine device capable of taking out a tool for each socket from a magazine member.

[0002]

2. Description of the Related Art Generally, in a vertical machining center, a tool is supported by a tool magazine in a horizontal state, and a socket holding the tool is turned by 90 ° so that a tool axis is parallel to a main axis at a tool removal position. The tool is exchanged with the main spindle.

[0003] In many of these types of machining centers, indexing of the tool magazine can be performed while the socket is turned in order to fix the addresses of the tools stored in the tool magazine. For this purpose, a hook is provided at a tool take-out position so as to be rotatable by a predetermined angle, and a first guide portion and a second guide portion are provided at different angular positions of the hook. In addition to guiding the socket passing through the take-out position, the second guide portion guides and supports the socket passing through the tool take-out position when the hook is turned.

[0004]

However, in the machining center having the above-described structure, when the tool magazine is rotated and indexed while the hook is turned, the socket that passes through the tool unloading position by the second guide portion. Although the guide can be guided, the guide portion of the socket cannot be made sufficiently large due to the characteristic of the configuration, so that the socket tilts when passing through the hook, and the tool in a state where the hook is turned There was a problem that rotation indexing of the magazine could not be performed at high speed.

[0005]

SUMMARY OF THE INVENTION The present invention has been made in view of the above-mentioned conventional problems, and has a magazine member in which a plurality of sockets in which tools are detachably mounted are removably stored at a tool extracting position. Before rotation indexing possible
A hook is provided at the tool removal position so as to be pivotable.
The tool removal position is determined by the rotation index of the magazine member.
When a guide is provided to guide the socket passing through the
When the hook leaves the tool removal position,
Another guide to guide the socket passing through the tool removal position
In a tool magazine device provided with a means ,
The hook can be moved in a direction different from the turning motion direction.
When the tool moves out of the tool removal position,
To the socket and pass this tool removal position.
Provided movable guide member you inner as it said further guide means,
Also, when the hook moves out of the tool removal position,
The movable guide member is advanced to the tool removal position.
When the hook returns to the tool removal position,
The movable guide member is retracted from the tool removal position.
The pivoting motion of the hook in a direction different from this
Mechanically transmitted to the reciprocating motion of the movable guide member at
Means are provided.

[0006]

With the above arrangement, when the magazine member is rotated and indexed, the sockets accommodated in the socket accommodating portion are sequentially indexed to the tool extracting position. The socket indexed to the tool removal position passes while being guided by the guide portion of the hook.
When the socket in which the necessary tool is mounted is indexed to the tool extraction position, the rotation indexing of the magazine member is stopped, and the hook is turned, for example, 90 °, and is withdrawn from the tool extraction position.
You. The transmission means controls the pivotal movement of the hook
The movable guide member is turned by the hook
The direction of the swinging motion of the hook is different from the tool removal position
Move in a certain direction to advance. Accordingly, the movable guide member is positioned at a position capable draft within <br/> a socket which passes through the space where the hook has passed through. Therefore, the magazine member is rotary indexing in this state, the socket passing through the tool takeout position is in so that the stable indexing is the proposed Ri by the movable guide member. And the hook takes out the tool
When turning back to the position, the transmission means
The movable guide member retreats from the tool removal position in the swiveling motion.
Transmitted as motion, thereby hooking to the tool removal position
Return of the movable guide member from the tool removal position
It is performed in conjunction.

[0007]

Embodiments of the present invention will be described below with reference to the drawings. 1 and 3, reference numeral 10 denotes a fixed magazine frame, on which a magazine disk 11 is rotatably indexed around a horizontal axis and is indexed by an index motor 12. It has become. On the circumference of the magazine disk 11, a plurality of rectangular socket storage portions 14 are opened at equal angular intervals,
Engagement grooves 13A formed on both sides of a rectangular socket 13 on which the tool T is detachably mounted are engaged with these socket storage portions 14, and the sockets 13 can be detached in the radial direction. A fixed guide rail 15 is provided on the magazine frame 10 so as to surround the socket storage section 14 of the magazine disk 11, and the guide rail 15 prevents the socket 13 from dropping out of the socket storage section 14. . Thus, the guide rail 15 is notched so that the socket 13 can be taken out at the tool take-out position P0.

The magazine frame 10 has a support shaft 1
6 is rotatably supported about a horizontal axis, and a hook 17 disposed at one end of the support shaft 16 and arranged corresponding to the notch (the tool take-out position P0) of the guide rail 15 is fixed. A link 18 is fixed to the other end of the support shaft 16, and a hook turning cylinder 19 installed on the magazine frame 10 is connected to the link 18.
7 is turned by 90 °.

As shown in FIG. 2, the hook 17 engages with an engaging groove 13B formed in the socket 13 so as to sandwich the socket 13 passing through the tool take-out position P0 from both sides in the vertical direction. A pair of guide rails 21 and a guide rail 22 for supporting the lower surface of the distal end portion of the socket 13 are provided. These guide rails 21 and 22 constitute a first guide portion 23. The hook 17 is provided with a second guide portion 24 at an angular position different from the first guide portion 23 by 90 °.
The second guide portion 24 is constituted by a guide rail 25 for guiding the rear portion of the socket 13 passing through the tool take-out position P0 so as to be sandwiched from both upper and lower sides when the hook 17 is turned by 90 °.

FIG. 3 is a perspective view of the magazine frame 10 .
As shown in beauty Figure 4, the socket 13 to guide both sides of the socket 13 when the turning of the socket 13 hooks 17
A pair of arcuate rails which prevent movement of the magazine indexing direction is installed to the movable guide member 28 is the support shaft 1 to the arc rail 27 on both sides of the hook 17
The pivots 29 are supported so as to be pivotable in a horizontal plane with a pivot 29 orthogonal to the fulcrum. The tip of the movable guide member 28 has a tool take-out position P0 when the hook 17 is turned.
Rail 3 supporting the lower surface of socket 13 passing through
0 is provided respectively. The movable guide member 28 is engaged with operating bolts 31 protruding from both sides of the hook 17, and is turned in conjunction with the circular movement of the operating bolt 31 due to the turning of the hook 17. Note that 32
Is a limiting bolt, which limits the turning of the movable guide member 28 by sandwiching the movable guide member 28 with the operating bolt 31.

As a result, in the original position of the hook 17, as shown by the solid line in FIG. 4, the movable guide member 28 is held at an angular position allowing the hook 17 to turn.
7, the support rail 30 of the movable guide member 28 is at the tool take-out position P0, as indicated by the two-dot chain line in FIG.
The socket 13 is held at an angular position to guide the lower surface of the socket 13 passing therethrough.

Next, the operation of the above configuration will be described. Normally, the hook 17 is held at the original position shown in FIG. 1, and the movable guide member 28 is held at an angular position that allows the hook 17 to turn. When the magazine disk 11 is indexed in this state, the socket 13 housed in the socket housing 14 is fixed to the fixed guide rail 1.
5, is indexed sequentially to the tool removal position P0,
The hook 17 located at the tool take-out position P0 passes while being guided by the first guide portion 23.

When the socket 13 on which the necessary tool is mounted is indexed to the tool extraction position P0 , the rotation indexing of the magazine disk 11 is stopped, and then the hook 17 is turned 90 ° by the turning cylinder 19. The socket 13 is detached from the socket storage portion 14 of the magazine disk 11 by the rotation of the hook 17, and is rotated while being guided by the arc rail 27. At the same time, the movable guide member 28 is turned around the pivot 29 by the operating bolt 31 with the turning of the hook 17. When the hook 17 is turned to the turning end, the second guide portion 24 of the hook 17 is located at the tool removal position P0 as shown in FIG. At this time, the support rail 30 of the movable guide member 28 is positioned at a position where it can guide the lower surface of the socket 13 passing through the tool take-out position P0 as shown by the two-dot chain line in FIG. Therefore, when the magazine disk 11 is indexed in rotation with the hook 17 turned 90 degrees, the socket 1 passing through the tool extraction position P0
The lower surface 3 is guided by the support rail 30 of the movable guide member 28 and can be indexed stably. And
The lock 17 turns 90 ° reversely and returns to the tool removal position P0.
When the operation bolt 3 is turned,
1 retracts the movable guide member 28 from the tool extracting position P0.
And the hook 17 is moved to the tool removal position P instead.
It returns to 0 and returns to the original position state of FIG. That is, the operation
Bolt 31 is retreated from hook 17 at tool removal position P0
The movable guide member 28 to the tool removal position P0
The hook 17 returns to the tool removal position P0.
Occasionally, the movable guide member 28 is moved backward from the tool removal position 28.
The reciprocating motion of the hook 17 should be
In different directions, i.e., in the tool magazine disc 11
Movable guide in the direction in which
Transmission means for mechanically transmitting the forward / backward movement of the
Act.

[0014]

As described above, according to the present invention, the turning operation of the socket is performed with respect to the tool removal position of the movable guide member.
A mechanism is provided for mechanically transmitting the
A dedicated driving source for driving the movable guide member can be eliminated. In addition , the forward / backward movement of the movable guide member turns the socket.
Since it is mechanically linked to the operation, it is possible to stably index the socket that passes through the tool unloading position without increasing the cycle time, so that the magazine can be indexed at high speed even when the socket is unloaded. There is.
In particular, the present invention turns the hook away from the tool removal position and retreats.
The other guide part provided on the hook
Magazine devices with configuration restrictions that cannot be used
Has applicable features.

[Brief description of the drawings]

FIG. 1 is a sectional view of a tool magazine device showing an embodiment of the present invention.

FIG. 2 is an enlarged view of a main part of FIG.

FIG. 3 is a view taken in the direction of arrow A in FIG. 2;

FIG. 4 is a view taken in the direction of arrow B in FIG. 2;

FIG. 5 is an operation state diagram of FIG. 2;

[Description of Signs] 11 Magazine member (magazine disk) 13 Socket 17 Hook 23 Guide portion 24 Different guide means (guide portion) 28 Movable guide member 30 Support rail 31 Transmission means (operating bolt) P0 Tool take-out position

──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. ⁷ , DB name) B23Q 3/155 B23Q 3/157

Claims (1)

(57) [Claims] A magazine member accommodating a plurality of sockets to which a tool is detachably mounted at a tool extracting position is detachably provided at a tool extracting position.
The magazine is pivotably mounted, and the magazine member is attached to the hook.
The socket that passes through the tool removal position
And a hook for guiding the hook
Passing the tool removal position when leaving the tool removal position
In the tool magazine device provided with another guide means for guiding the socket to be turned, the turning direction of the hook is different from that of the hook.
The hook is in the tool removal position
Provided movable guide member you in plan the socket and move into the tool removal position through the tool removal position when al dismissed as said further guide means and said hook said
When moving away from the tool removal position, move the movable guide member
The tool is advanced to the tool removal position, but the hook is
When returning to the removal position, move the movable guide member to the
Swing the hook so that it retracts from the tool removal position.
The movable guide in a direction different from the direction of movement
A tool magazine device provided with a means for mechanically transmitting the forward / backward movement of a material .