JP2583378B2 - Die holder in stocker - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement in a mold holder for a stocker.

[0002]

2. Description of the Related Art Conventionally, a stocker provided adjacent to an automatic die and die changing apparatus for a turret punch press contains a die holder having a plurality of punches and dies. The size of the punch and die provided in the mold holder stored in the stocker is, for example, 1/4 inch.
Generally, there are a plurality of types such as 1/2 inch, and a mold holder is generally configured by being mounted on a dedicated holder base.

[0003]

By the way, in the above-mentioned mold holder stored in the conventional stocker, the punch diameter,
It is necessary to prepare various mold holders according to the die diameter, and there have been various problems such as an increase in the size of the storage shelf and storage space for the mold holders and the complicated management.

An object of the present invention is to provide a mold holder for a stocker in which a holder base is shared to reduce the equipment cost and the mold exchange time in order to improve the above problems. is there.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, according to the present invention, a plurality of mold holders each having a punch and a die adjacent to an automatic die and die changing apparatus for a turret punch press are housed. As a stocker, a spacer member corresponding to the size change of the punch and the die was provided on the holder base of the mold holder to constitute a mold holder in the stocker.

[0006]

By using the mold holder in the stocker of the present invention, when the punch diameter and the die diameter are different, only the spacer member mounted on the holder base of the mold holder is replaced, and the punch diameter is changed. By incorporating a spacer member corresponding to the die diameter into the holder base, a desired mold holder can be obtained. Thus, the holder base is made common, and the cost is reduced.

[0007]

Embodiments of the present invention will be described below in detail with reference to the drawings.

Referring to FIG. 15, the turret punch press 1 has a gate-shaped frame 3 on which rotatable upper and lower turrets 5 and 7 are supported. In addition, punches P and dies D are mounted at corresponding positions on the circumference of the lower turrets 5 and 7, respectively. A die holder 9 on which a die D to be replaced is mounted is detachably attached to the lower turret 7 at a plurality of locations.

The positions of the punches P and dies D mounted on the right ends of the upper and lower pallets 5, 7 are processing positions 11,
The upper positions of the upper and lower turrets 5 and 7 are exchange positions 13. Frame 3 above the processing position 11
In order to strike the punch P, a striker is provided so as to be movable up and down by a known driving device (not shown).

A center table 15 is fixedly disposed on the front side (the right side in FIG. 15) of the lower turrets 5 and 7, and a front side table is provided before and after the center table 15 (the upper and lower sides in FIG. 15). 17, a rear side table 19 is disposed so as to be movable in the Y-axis direction (left-right direction in FIG. 15). Center table 15
A carriage base 21 extending in the X-axis direction and movable in the Y-axis direction is provided at the right ends of the front and rear side tables 17 and 19 over the vehicle.

The carriage base 21 is provided with a carriage 23 movable in the X-axis direction, and the carriage 23 is provided with a plurality of work clamps 25 for clamping the work W. Note that the carriage base 21 and the carriage 23 are moved in the Y-axis direction and the X-axis direction by a well-known ball screw, servo motor, or the like (not shown), and a detailed description of the configuration will be omitted.

By moving the carriage base 21 together with the front and rear side tables 17 and 19 in the Y-axis direction and the carriage 23 in the X-axis direction, the work W clamped by the work clamp 25 is formed.
Moves in the X-axis and Y-axis directions, and the desired position of the workpiece W is positioned at the processing position 11. When the desired position of the workpiece W is positioned at the processing position 11, the upper and lower tables 5, 7
Is rotated, a desired punch P and a die D are indexed to the processing position, and the vertical movement of the striker causes the punch P to be performed at a desired position of the work W in cooperation with the punch P and the die D. .

In the vicinity of the frame 3 in the turret punch press 1, for example, on the left side in FIG. 15, a replacement punch, a plurality of punches supporting a die, and a stocker 27 containing a die holder are arranged. Between the stocker 27 and the exchange position 13, there is provided an automatic mold exchange device 29 which can reciprocate in the Y-axis direction. A support frame 31 constituting the automatic die changing device 29 is provided to extend in the Y-axis direction, and a plurality of guide rails 33 are attached to a front surface of the support frame 31. A carriage 35 is provided along the guide rail 33 so as to reciprocate in the Y-axis direction. The carriage 35 is provided with an exchange head for exchanging the punch P and the die D.

The stocker 27 is provided with a plurality of storage shelves 37 in the vertical direction. On each of the storage shelves 37, a mold holder 39 supporting a punch P for exchange and a die D is stored. Then, the storage shelf 37 is driven by a drive motor (not shown).
Is configured to be pivotable.

With the above configuration, the storage shelf 37 is rotated by driving the drive motor, and the mold holder 39 provided with the punch P and the die D required for the next process is positioned at a predetermined replacement position. The punch P and the die D are exchanged while holding the mold holder 39 by an exchange head provided on the carriage 35.

Next, the mold holder 39 which is a main part of this embodiment will be described in more detail.

Referring to FIG. 1, a mold holder 39 mounted on a storage shelf 37 includes a holder body 41 on which a punch P and a die D are mounted, and a holder base 43 on which the holder body 41 is mounted. , The holder body 41 and the holder base 43
And a spacer member 45 mounted therebetween.

The holder body 41 has a hole 47 into which the punch P is inserted and a hole 49 into which the die D is inserted, and a holding portion 51 protruding at one end (left side in FIG. 1). It is locked to the holder base 43 by a tightening bolt 55 for tightening the holding block 53 engaged with the portion 51. At the other end (right side in FIG. 1), an end plate 57 is provided for preventing floating, and a protrusion 61 formed on the holder base 45 is inserted into a through hole 59 formed on the end plate 57 to float. Stop is prevented.

The holder base 43 and the holder base 4
3 are combined with the spacer member 45 shown in FIGS.
In the present embodiment, for example, a mold holder 3 having a punch diameter and a die diameter of 11/4 inch and 1/2 inch is incorporated.
An example will be described with reference to FIG. Note that the punch diameter and die diameter are 1
The present invention is not limited to 1/4 inch and 1/2 inch, but can be applied to various punch diameters and die diameters.

FIGS. 2 to 4 show a holder base 43 on which a holder main body 41 incorporating a punch for 1/4 inch, a punch P having a die diameter and a die D is mounted. A flange portion 65 having a guide surface 63 for mounting the holder main body 41 facing the protrusion portion 43 is formed to protrude. A groove 67 having the same width as the guide surface 63 and an appropriate length is formed immediately below the die D. A hole 69 having a predetermined diameter is formed directly below the punch P, and a hole 71 corresponding to the diameter of the die D (1/4 inch) is formed immediately below the die D, and various fastening holes are provided. ing.

As the spacer member 45 fitted in the groove 67 of the holder base 43, a spacer member 45 for 1/4 inch is used.
8A and FIG. 9A, each has a plate-like shape, and a hole 73 having the same diameter as the hole 71 formed in the holder base 43 is formed immediately below the die D, as shown in detail in FIGS. I have. Reference numeral 75 is a fastening hole for mounting.

FIGS. 5 to 7 show a holder base 43 on which a holder main body 41 in which a punch for 1/2 inch, a punch P having a die diameter and a die D are mounted is mounted. The holder base 43 has exactly the same shape as the holder base 43 on which the holder main body 41 in which the punch P and die D for 1/4 inch described above are mounted, and is shared. Therefore, the same reference numerals are given to the same members, and the detailed description is omitted.

As the spacer member 45 fitted in the groove 67 of the holder base 43, a spacer member 45b for 1/2 inch is used.
As shown in detail in FIGS. 10 to 12, the flange portion 77 extends in the longitudinal direction and protrudes on both sides in the width direction, and the facing surface of the flange portion 77 is a guide surface 79. An outer surface of the flange 77 is inserted into a guide surface 63 formed on the holder base 43, and a hole 81 adapted to the die D is formed immediately below the die D. In addition,
This hole 81 is a hole used when attaching and detaching the die D to and from the mold holder 39. Further, reference numeral 83 denotes a fastening hole for mounting.

With the above configuration, the operation is as shown in FIG.
Referring to FIGS. 3 and 14, FIG. 13 shows a state in which a punch P and a die D are mounted with a size of 1/4 inch.
A 1/4 inch spacer member 45a is fitted along a guide surface 63 formed on the holder base 43, and the holder main body 41 having a 1/4 inch punch P and a die D mounted on the upper surface of the spacer member 45a. The mold holder 39 is mounted to constitute the mold holder 39. FIG. 14 shows the sizes of the punch P and the die D.
This shows a state in which the 1/2 inch is mounted, and a 1/2 inch spacer member 45b is fitted along a guide surface 63 formed on the holder base 43. The holder main body 41 on which the 1/2 inch punch P and the die D are mounted is placed along the guide surface 79 formed on the spacer member 45b to form the mold holder 39.

Thus, the holder base 43 is shared,
By replacing only the spacer members 45a and 45b,
Since the mold holders 39 having different mold sizes can be configured, the cost can be reduced, the number of the mold holders can be reduced, and the facility cost and the mold replacement time can be reduced.

The present invention is not limited to the above-described embodiment, but can be embodied in other forms by making appropriate changes.

[0027]

As will be understood from the above description of the embodiment, according to the present invention, since the construction is as described in the claims, a plurality of types can be obtained simply by replacing only the spacer member. Mold holders having punches and dies having different diameters can be configured, and by using a common holder base, it is possible to reduce equipment costs and shorten mold exchange time.

[Brief description of the drawings]

FIG. 1 is a side view of a mold holder, showing a main part of the present invention.

FIG. 2 is a plan view showing a holder base when a punch and a die having a diameter of 1/4 inch are incorporated in the mold holder in FIG. 1;

FIG. 3 is a sectional view taken along line III-III in FIG. 2;

FIG. 4 is a side view as viewed from the right side in FIG. 2;

FIG. 5 is a plan view showing a holder base when a punch and a die having a diameter of 1/2 inch are incorporated in the mold holder in FIG. 1;

6 is a sectional view taken along the line VI-VI in FIG.

FIG. 7 is a side view as viewed from the right side in FIG. 5;

FIG. 8 is a plan view showing a spacer member for 1/4 inch in FIG. 2;

FIG. 9 is a side view as viewed from the right side in FIG.

FIG. 10 is a plan view showing a spacer member for 1/2 inch in FIG. 5;

FIG. 11 is a sectional view taken along line XI-XI in FIG. 10;

FIG. 12 is a side view as viewed from the right side in FIG.

FIG. 13 is an operation explanatory view of a mold holder for 1/4 inch.

FIG. 14 is an operation explanatory view of a mold holder for 1/2 inch.

FIG. 15 is a layout explanatory view showing a turret punch press, a stocker, and an automatic die changing device according to an embodiment of the present invention.

[Explanation of symbols]

 1 Turret Punch Press 27 Stocker 29 Automatic Mold Changer 39 Mold Holder 43 Holder Base 45 Spacer Member

Claims (1)

(57) [Claims] A punch for a turret punch press;
A puncher adjacent to the die automatic die changing device, a stocker containing a plurality of die holders each having a die, and a punch,
A mold holder in a stocker, wherein a spacer member corresponding to a change in size of a die is provided on a holder base of the mold holder.