JP2523075Y2 - Replacement mold storage device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an exchange mold storing apparatus for automatically storing a punch and a die for a press machine such as a turret punch press. The present invention relates to an exchange mold storage device that can easily exchange sets.

[0002]

2. Description of the Related Art In recent years, molds have been automatically exchanged for press machines such as turret punch presses.

In a press machine, a punch (upper die) is used.
Generally, a method of exchanging a punch and a die (lower die) as a set is used. The punch and die set are set in advance and stored in a die storage device, and automatic die exchange is performed when necessary. In this configuration, the device is automatically taken out of the mold storage device and is mounted on a press machine.

[0004]

Since punches and dies used in press machines are generally heavy, it is extremely troublesome to previously store a set of punches and dies in a mold storage device. Another problem is that it is not easy to visually confirm the coincidence between the punch and the die when setting them.

[0005]

SUMMARY OF THE INVENTION In view of the above-mentioned conventional problems, the present invention comprises a gondola in which a set of punches and dies is removably housed, and is vertically movable. An exchange mold storage device comprising an automatic mold exchange device for automatically taking out the set of punches and dies from the gondola, and a punch holder is provided on the upper and lower holder carriages which can be pulled out backward in the gondola. A punch holder that detachably supports the die and a die holder that detachably supports the die. The upper and lower holder carriages are pulled out rearward from the gondola at the rear position of the gondola. Are provided with upper and lower support guides for supporting.

[0006]

In the above construction, the upper and lower holder carriages are pulled out from the gondola onto the upper and lower support guides, respectively.
On this support guide, punches and dies are attached and detached with respect to the punch holder and the die holder supported by each holder carriage. Then, after replacing the punch and die, return the upper and lower holder carriages to the gondola,
Punch and die sets can be exchanged.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS In order to facilitate understanding of embodiments of the present invention,
First, the overall configuration of a turret punch press including the exchange mold storage device according to the present embodiment will be schematically described.

Referring to FIGS. 1 and 2, the turret punch press 1 includes a portal frame 3.
An upper turret 5 supporting the punch P detachably and replaceably and a lower turret 7 supporting the die D detachably and replaceably are rotatably provided in the gap portion. The turret punch press 1 is provided with a striker 9 for pressing a punch P indexed to a processing position so as to be movable up and down, and also moves a plate-shaped work W horizontally in the X-axis and Y-axis directions and is capable of positioning the work. Moving positioning device 1
1 is provided.

Since the above configuration is a general configuration of a turret punch press, a more detailed description of the configuration and a description of its operation will be omitted.

On one side of the frame 3 in the turret punch press 1, there is provided a mold storage device 13 for storing a set of punches P and dies D which are detachably mounted on the upper and lower turrets 5, 7. On the front side of the mold storage device 13, there is provided an automatic mold changing device 15 which is movable along a guide rail 14 in the left-right direction (Y-axis direction) attached to the frame 3.

The mold storage device 13 is configured as shown in FIG. That is, chain sprockets 19LU, 19LL: 19RU, 1 above and below the left and right side frames 17L, 17R in the mold storage device 13, respectively.
9RL is provided rotatably. Left and right sprocket 1
9LU, 19LL: The axes of 19RU, 19RL are shown in FIG.
As is more apparent, they are provided on the same vertical plane with appropriate steps up and down. And, the endless chain 21 wound on the upper and lower sprockets 19LU, 19LL on the left side.
A plurality of box-shaped gondola 23 is supported between L and the endless chain 21R hung on the right and left upper and lower sprockets 19RU, 19RL.

Each gondola 23 is suspended from the left and right endless chains 21L and 21R via left and right pivots 25L and 15R provided on the upper and lower steps. Therefore, each gondola 23 is supported by the endless chains 21L and 21R in a state where the swing is restricted.

The upper sprockets 19LU, 19R
In order to rotate U, a servomotor 27 is mounted on the side frame 17R. An output gear G1 mounted on the output shaft of the servomotor 27 is connected to the side frame 17R.
The gears G2L and G2R are attached to one end of a rotating shaft 29 rotatably supported by L and 17R.
The gears G2L, G2R are connected to the intermediate gears G3L, G
The gears G4L, G4R attached to the shafts of the sprockets 19LU, 19RU are interlockingly connected via 3R.

With the above configuration, it can be understood that the left and right endless chains 21L, 21R are driven up and down by driving the servomotor 27, and any gondola 23 can be indexed and positioned at a predetermined position.

As can be understood from FIG. 3, each gondola 23 has a plurality of mold storage chambers 23A, 23 in the horizontal direction.
b, 23C, and the detailed illustration of the support configuration is omitted, but each mold storage chamber 23A, 23B, 23C has:
A punch holder 31 for detachably supporting the punch P and a die holder 33 for detachably supporting the die D are vertically supported so as to be freely taken out. The punch holder 31 and the die holder 33 are provided with engaging holes 31H and 33H, respectively, in which the replacement pin 35 (see FIG. 1) of the automatic die changing device 15 can be disengaged.

The automatic die changing device 15 includes a punch holder 31 and a die holder 3 between the upper and lower turrets 5 and 7 of the turret punch 1 and the die storage device 13.
3 is exchanged. This automatic mold changing device 1
5 includes a slider 41 which moves in the Y-axis direction along the guide rail 15 by the rotation of a servomotor 37 and a ball screw 39. The upper portion of the slider 41 has a mold storage device 23A, 23B of the gondola 23. ,
One more mold storage units 41a, 41b, 4 than 23C
1c and 41d. In each of the mold storage sections 41a to 41d, a mold access member 43 provided with the exchange pin 35 is provided vertically corresponding to the punch holder 31 and the die holder 33, and the upper and lower mold access members 43 are provided. Is
It is provided so as to move simultaneously in the X-axis direction.

In the above configuration, the servo motor 37 is controlled and driven to position the slider 41 at a position corresponding to the mold housing device 13. Then, the respective mold storage chambers 23A, 23B, 23C of the gondola 23 in the mold storage device 13 are provided.
The mold access members 43 of the mold storage sections 41b, 41c, and 41d corresponding to the above are operated, and each exchange pin 35 is attached to the punch holder 3.
1, the punch holder 31 and the die holder 33 housed in the respective mold storage chambers 23A, 23B and 23C are engaged with the respective engagement holes 31H and 33H of the die holder 33, and the slider 41
Of the molds 41b, 41c, 41d.

As described above, the punch holder 31 and the die holder 33 are moved to the respective storage portions 41b, 41c, 41 of the slider 41.
Then, the slider 41 is moved to a position corresponding to the upper and lower turrets 5 and 7 in the turret punch press 1, and the mold accommodating portion 41a is mounted on the upper and lower turrets 5 and 7 at the exchange mold device positions. Corresponding punch holders and die holders.

After the punch holder and the die holder are pulled out from the upper and lower turrets 5 and 7 into the above-mentioned mold storage section 41a and stored, the slider 41 is moved to the empty mold apparatus position where the upper and lower turrets 5 and 7 are empty. The punch holder 31 and the die holder 33 accommodated in the mold accommodating portion 41b are pushed by the mold in / out member 43 and mounted on the upper and lower turrets 5, 7.

Next, the upper and lower turrets 5 and 7 are rotated so that the next replacement mold device position and the empty mold storage portion 41b correspond to each other, and the upper and lower turrets are placed in the mold storage portion 41b. After the punch holder and the die holder are pulled out of the turrets 5 and 7 and stored, the punch holder 31 and the die holder 33 stored in the next die storage section 41c are repeatedly mounted on the upper and lower turrets 5 and 7, thereby the slider 41 is repeated. The punch holder 31 and the die holder 33 stored in each of the mold storage portions 41b, 41c, and 41d, and the punch holder and the die holder mounted at a plurality of exchange die device positions of the upper and lower turrets 5 and 7 one after another. Can be exchanged for

As described above, the punch holder 31, the die holder 33 accommodated in each of the mold accommodating portions 41b, 41c, 41d of the slider 41 and the plurality of punch holders, die holders attached to the upper and lower turrets 5, 7 are provided. After the attachment / detachment replacement is completed, the slider 41 is made to correspond to the gondola 23 of the mold storage device 13 again, and the mold storage sections 41a, 41b,
By extruding and storing the punch holder and the die holder accommodated in the mold 41c in the respective mold accommodating chambers A, 23B and 23C of the gondola 23, a series of mold exchange is completed.

As described above, when the punch holder 31 and the die holder 33 are attached to and detached from the upper and lower turrets 5 and 7 of the turret punch press 1 using the automatic die changing device 15, the die storage device 13 is used. Each gondola 23
It is necessary to mount necessary punches P and dies D in advance on the punch holder 31 and the die holder 33 stored in each of the mold storage chambers 23A, 23B, and 23C.

Therefore, in this embodiment, each gondola 2
3 so that the punch holder 31 and the die holder 33 can be easily pulled out rearward.

That is, as can be understood from FIG. 3, the gondola 23 has a box shape in which the front and rear sides are open while surrounding the upper, lower, left and right sides, and the mold storage chambers 23A, 23B, As shown in FIG. 4, 23C has front and rear guide rails 45U and 25L provided vertically.

The upper guide rail 45U has a punch P
An upper holder carriage 47 that detachably supports the punch holder 31 that supports the punch holder 31 is supported movably back and forth.
The lower guide rail 45L has a lower holder carriage 4 that detachably supports a die holder 33 that supports the die D.
9 is supported movably back and forth.

The upper holder carriage 47 is shown in FIG.
As shown in FIGS. 6 and 7, the beam member 47B at the rear (right side in FIG. 6) has a substantially U-shape with left and right arm members 47L and 47R extending forward at both left and right ends. A handle 47H for drawing out is provided on the rear surface of the member 47B.

Then, the left and right arm members 47L, 4
On the inner surface of 7R, a holder guide 51 for guiding the punch holder 31 is mounted, and a ball plunger 53 for positioning the holder for positioning the punch holder 31 with respect to the upper holder carriage 47 is mounted.
The punch holder 31 corresponding to the ball plunger 53
Is formed with a conical recess 54.

Therefore, when the upper holder carriage 47 is moved rearward (to the right in FIG. 4) along the guide rail 45U, the upper holder carriage 47 can be moved rearward while supporting the punch holder 31.

In order to position the upper holder carriage 47 with respect to the upper guide rail 45U, a retaining force is applied to the upper guide rail 45U.
A ball plunger 55 that is stronger than 3 is provided, and a conical concave portion 57 is provided in the upper holder carriage 47 corresponding to the ball plunger 55.

Accordingly, when the punch holder 31 is attached to and detached from the upper holder carriage 47 from the front by the automatic die changing device 15, the upper holder carriage 4
Numeral 7 is held at a fixed position by the action of the ball plunger 55 and the concave portion 57.

The lower holder carriage 49 supporting the die holder 33 is held by the gondola 23 by a powerful ball plunger 59 attached to the lower guide rail 45L. The holding of the die holder 33 with respect to the lower holder carriage 49 is performed by the lower holder This is performed by a relatively weak ball plunge 61 provided on the carriage 49. Note that the configuration of the lower holder carriage 49 is substantially the same as that of the upper holder carriage 47, and a description of the details of the lower holder carriage 49 will be omitted.

In order to allow the punch P and the die D to be attached to and detached from the punch holder 31 and the die holder 33 held by the upper and lower holder carriages 47 and 49, a carriage support is provided at the rear of the mold storage device 13. A section 63 (see FIGS. 1, 8, and 9) is provided.

The carriage supporting portion 63 supports upper and lower holder carriages 47 and 49 drawn backward from the gondola 23, and allows the automatic die changing device 15 to replace the punch holder 31 and the die holder 33. To perform the proper gondola 23, the automatic mold changing device 15
Is provided at a height corresponding to the separate gondola 23 on the rear side.

As shown in FIG. 8, the carriage support 63 has an upper support 63U for supporting the upper holder carriage 47 and a lower support 63L for supporting the lower holder carriage 49 in two vertical stages. The upper support 63U is provided with an upper support guide 65U corresponding to the upper guide rail 45U of the gondola 23, and the lower support 63L is provided with a lower support guide 65L corresponding to the lower guide rail 45L. It is.

Therefore, the ball plunger 59,
By gripping the grips 49H and 47H against the holding force of 55 and pulling the lower holder carriage 49 and the upper holder carriage 47 backward from the gondola 23,
As shown in FIG. 8, the upper and lower holder carriages 47, 4
9, the upper and lower support guides 65U of the carriage support 63;
It can be supported on 65L steps. Therefore, the punch P and the die D can be easily attached to and detached from the punch holder 31 and the die holder 33 supported by the upper and lower holder carriages 47 and 49, and the coincidence between the punch P and the die D can be visually checked. It can be confirmed.

After the punches P and the dies D have been attached to and detached from the punch holder 31 and the die holder 33 as described above, the upper and lower holder carriages 47 and 49 are returned to the gondola 23 from above the carriage support 63 so that a new punch is formed. The set of P and die D is stored in the gondola 23.

[0037]

[Effect of the Invention] As can be understood from the above description of the embodiments, the gist of the present invention is basically as described in the claims for utility model registration. The upper and lower holder carriages 47 and 49 can be pulled backward from the gondola 23 and supported by the upper and lower support guides 65U and 65L, and supported by the upper and lower holder carriages 47 and 49 on the support guides 65U and 65L. The punches P and dies D can be attached to and detached from the punch holder 31 and the die holder 33 that have been used.

That is, according to the present invention, the punch holder 3
1, the punch P and the die D can be easily attached to and detached from the die holder 33, and the coincidence between the punch P and the die D can be easily visually confirmed.

[Brief description of the drawings]

FIG. 1 is an overall schematic plan view including a turret punch press, in which an upper frame is omitted.

FIG. 2 is a front view of the same.

FIG. 3 is an enlarged view of a part III in FIG. 1, showing only a main part.

FIG. 4 is a detailed enlarged view corresponding to a cross-sectional view taken along the line IV-IV of FIG. 3;

FIG. 5 is an explanatory diagram showing a state in which a punch holder is supported by a holder carriage.

FIG. 6 is a plan view of FIG. 5 as viewed from above.

FIG. 7 is a side view of FIG. 5 viewed from the right.

FIG. 8 is an enlarged side view seen from the direction of arrow VIII in FIG. 1;

9 is a plan view of FIG. 8 as viewed from above.

[Explanation of symbols]

 13 mold storage device 15 automatic mold changing device 23 gondola 31 punch holder 33 die holder 47L lower holder carriage 47U upper holder carriage 65L upper support guide 65U lower support guide

Claims (1)

(57) [Scope of request for utility model registration] 1. A gondola housing a set of punches and dies so as to be able to be taken out of the gondola, and an automatic mold changer for automatically taking out the set of punches and dies from the gondola in front of the gondola. An exchange mold storage device equipped with a device, and a punch holder and a die are detachably supported on upper and lower holder carriages which are provided in the gondola so as to be able to be pulled out backward in a detachable manner. A die holder, which is provided so as to be detachable and replaceable, and provided at the rear position of the gondola with upper and lower support guides for supporting upper and lower holder carriages drawn rearward from inside the gondola; Mold storage device.