JP2000317548A - Die accommodation device used for punching system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To reduce the cost and a space in a punching system having plural turret punch presses. SOLUTION: When prescribed die mounting parts 17a, 17b are positioned in die change regions 21a, 21b, upper turrets 9a, 9b are set so as not to position in the die change regions 21a, 21b, a die accommodation device 29, which is arranged with many punch accommodation parts 39 and many die accommodation parts 43, is arranged between a first turret punch press 3 and a second turret punch press 5.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a punching system provided with a plurality of turret punch presses.

[0002]

2. Description of the Related Art A conventional punching system having a turret punch press will be described.

A main frame of a turret punch press has a disc-shaped rotatable upper turret and a disc-shaped rotatable lower turret which are vertically opposed to each other. In the lower turret, a number of dies are appropriately provided in the circumferential direction. Here, a plurality of punches among a large number of punches are held by an exchange punch holder, and the exchange punch holder is provided on a punch holder mounting portion of an upper turret so as to be detachably attachable and replaceable in a horizontal direction. A plurality of dies among a large number of dies are held by a replacement die holder, and the replacement die holder is provided on a die holder mounting portion of a lower turret so as to be detachably replaceable in a horizontal direction.
The replacement punch holder and the replacement die holder are configured to be positioned in the punch holder replacement area and the die replacement holder area by synchronous rotation of the upper turret and the lower turret.

[0004] A die storage device is integrally provided behind the turret in the main body frame. The die storage device includes a large number of punch holder storage sections for removably storing a replacement punch holder in a horizontal direction and replacement. It has a large number of die holder storage sections for storing the die holder in a detachable manner from the horizontal direction. Here, a predetermined punch holder storage section of a large number of punch holder storage sections is configured to be positionable in a punch holder extraction area, and a predetermined die holder storage section of a large number of die holder storage sections is positionable in a die holder extraction area. It is composed.

A mold exchanging device is provided between the turret and the mold accommodating device in the main body frame. The mold exchanging device attaches and detaches a punch holder holding portion for detachably holding an exchange punch holder and an exchange die holder. A die holder holding portion is provided for holding the die holder. Here, the punch holder holding portion is configured to be movable between a position close to the punch holder exchange region and a position close to the punch holder take-out region, and the die holder holding portion is located at a position close to the die holder exchange region. It is configured to be movable between a position close to the die holder take-out area.

Therefore, the exchanged punch holder and the exchanged die holder are positioned in the punch holder exchange area and the die holder exchange area, respectively, by the synchronous rotation of the upper turret and the lower turret. Further, the punch holder holding unit and the die holder holding unit are respectively moved in one direction, and are positioned at a position close to the punch holder replacement area and a position close to the die holder replacement area, respectively. Then, the replacement punch holder is detached in the horizontal direction from the punch holder mounting portion of the upper turret to be held in the punch holder holding portion from the horizontal direction, and the replacement die holder is detached in the horizontal direction from the die holder mounting portion of the lower turret to hold the die holder. Part from the horizontal direction.

After holding the replacement punch holder and the replacement die holder, the punch holder holding part and the die holder holding part are moved in the other direction to be positioned at a position close to the punch holder storage area and a position close to the die holder storage area. Further, the empty punch holder storage section and the empty die holder storage section are positioned in the punch holder extraction area and the die holder extraction area, respectively. Then, the replacement punch holder is detached in the horizontal direction from the punch holder holding portion to be stored in the empty punch holder storage portion from the horizontal direction, and the replacement die holder is separated from the die holder holding portion in the horizontal direction, and the empty die holder storage portion is removed. To be stored horizontally.

After the replacement punch holder and the replacement die holder are stored, a predetermined punch holder storage portion storing the predetermined replacement punch holder and a predetermined die holder storage portion storing the predetermined replacement die holder are moved to the punch holder take-out area and the die holder. Position each in the extraction area. Then, the predetermined replacement punch holder is detached in the horizontal direction from the predetermined punch holder storage section, and the punch holder holding section is held in the horizontal direction, and the predetermined replacement die holder is horizontally removed from the predetermined die holder storage section. The die holder holder is held from the horizontal direction.

After holding the predetermined exchange punch holder and the predetermined exchange die holder, the punch holder holding section and the die holder holding section are moved in one direction to a position close to the punch holder exchange area and a position close to the die holder exchange area. Position each one. Then, the predetermined exchange punch holder is detached in the horizontal direction from the punch holder holding portion, and is mounted on the punch holder mounting portion of the upper turret from the horizontal direction, and the predetermined exchange die holder is detached in the horizontal direction from the die holder holding portion to lower the punch holder. The turret is mounted horizontally on the die holder mounting part.

As described above, the punch and the die can be exchanged via the exchange punch holder and the exchange die holder.

[0011]

In the conventional punching system, since the mold storage device is integrally formed with the turret punch press, one mold storage device can be used for a plurality of turret punch presses. Cannot be used for replacement work. Therefore, when the punching system is provided with a plurality of turret punch presses, the same number of mold storage devices as the turret punch presses are required, which increases the cost of the punching system and increases the size of the punching system. There is a problem that space is required.

[0012] Further, since the distance between the upper turret and the lower turret in the vertical direction is small and it is difficult to replace the die (punch, die) from the vertical direction (vertical direction), the die holder (horizontal direction) is difficult. Since the molds are exchanged indirectly via a punch holder and a die holder), only the molds held by the exchange mold holders can be exchanged, and many molds cannot be exchanged. There's a problem.

[0013]

In order to solve the above-mentioned conventional problems, in the present invention, as a first means, a first turret punch press having a disk-shaped rotatable first turret is used. A second turret punch press having a disc-shaped rotatable second turret is provided at a distance, and a large number of first mounting portions for removably mounting a mold on the first turret are appropriately provided in a circumferential direction, A predetermined first mounting portion of a large number of first mounting portions is configured to be positionable in a first replacement area by rotation of the first turret.
A plurality of second mounting portions for detachably mounting the mold on the turret are appropriately provided in the circumferential direction, and a predetermined second mounting portion of the plurality of second mounting portions is secondly replaced by rotation of the second turret. A mold storage device having a plurality of storage sections configured to be positionable in the area and configured to removably store the die between the first turret punch press and the second turret punch press;
A first holding unit configured to position a predetermined storage unit among a plurality of storage units in a first extraction region and a second extraction region, and to hold a mold between the first turret punch press and the mold storage device; A first mold exchanging device having a first part is provided, and the first holding part is configured to be movable and vertically movable between a first exchanging area and a first unloading area. A second mold exchanging device having a second holding unit for holding a mold is provided between the mold storage devices, and the second holding unit is movable between a second exchanging region and a second unloading region; It is characterized in that it can be raised and lowered.

As a second means, in addition to the invention-specific matter of the first means, a first mold of a number of dies which are respectively attached to and detached from a number of first mounting portions and a number of second mounting portions. A storage device for storing the information, the second mold information of the plurality of molds, and the storage mold information of the plurality of molds stored in the plurality of storage sections, and each of the plurality of storage mold information among the plurality of storage mold information. An arithmetic unit is provided for selecting storage mold information corresponding to one mold information and selecting storage mold information corresponding to each second mold information from among a large number of storage mold information. A control device for controlling the mold storage device so as to position the mold of the mold information in the first extraction area or the second extraction area is provided.

As a third means, a disk-shaped rotary turret is provided in the same manner as a disk-shaped rotary first upper turret and a disk-shaped rotatable first lower turret provided with a first turret punch press. A second turret punch press having a possible second upper turret and a disc-shaped rotatable second lower turret is provided above and below the first turret punch press, and a punch can be attached to and detached from the first upper turret. A large number of first punch mounting portions to be mounted on the first lower turret are appropriately provided in the circumferential direction, and a large number of first die mounting portions for detachably mounting the die on the first lower turret are appropriately provided in the circumferential direction. A predetermined first punch mounting portion of the first punch mounting portion is configured to be positionable in the first punch exchange area by rotation of the first upper turret, and a predetermined first punch mounting portion of the plurality of first die mounting portions. The first mounting portion is configured to be positionable in the first die replacement region by rotating the first lower turret, and when the predetermined first die mounting portion is positioned in the first die replacement region, the first die replacement region is moved to the first die replacement region. (1) The upper turret is configured so as not to be positioned, and similarly, a plurality of second punch mounting portions for detachably mounting a punch on the second upper turret are appropriately provided in a circumferential direction, and a die is mounted on the second lower turret. A plurality of second die mounting portions for detachably mounting the second punch mounting portion are appropriately provided in the circumferential direction, and a predetermined second punch mounting portion of the plurality of second punch mounting portions is replaced with a second punch by rotating a second upper turret. In addition to being configured to be positionable in the area,
A predetermined second die mounting portion of the plurality of second die mounting portions is configured to be able to position the second die mounting portion in the second die exchange region by rotating the second lower turret, and the predetermined second die mounting portion is positioned. When positioned in the second die exchange area,
The second upper turret is configured not to be located above the die exchange area, and a large number of punch storage portions and dies for detachably storing a punch between the first turret punch press and the second turret punch press are detachable. A mold storage device having a large number of die storage sections is provided so that a predetermined punch storage section of the multiple punch storage sections can be positioned in the first punch extraction area and the second punch extraction area. A given die storage unit is the first among many die storage units.
A first punch holding unit for holding a punch between the first turret punch press and the mold storage device, and a first die holding unit for holding a die, which are configured to be positionable in a die take-out area and a second die take-out area. A first die exchanging device having a first die holding device is provided. The first die holding device is configured to be movable and vertically movable between a first punch exchanging region and a first punch take-out region. A second punch holding unit configured to be movable and vertically movable between a one-die exchange area and a first die take-out area, and similarly hold a punch between the second turret punch press and the mold storage device; A second mold exchanging device having a second die holding unit for holding a die is provided, and the second punch holding unit is movable between a second punch exchanging area and a second punch take-out area and can be moved up and down. While, the second die holding section second
It is configured to be movable and vertically movable between a die exchange area and a second die storage area.

As a fourth means, in addition to the invention-specifying means of the third means, when a predetermined die mounting portion is positioned in the die exchange area, the upper turret is not positioned above the die exchange area. For this reason, the upper turret is configured to be smaller than the lower turret, and the rotation axis of the upper turret and the rotation axis of the lower turret are configured to be shifted from each other.

As a fifth means, in addition to the invention-specific matter of any one of the third and fourth means, a disk-shaped punch storage frame provided with the plurality of punch storage portions in an annular shape and the plurality of punch storage frames are provided. A disk-shaped die storage frame provided with a die storage part in an annular shape is provided facing up and down, and a predetermined punch storage part is positioned in the first punch take-out area and the second punch take-out area. The die housing frames are each configured to be rotatable.

As a sixth means, in addition to the invention-specifying matter of any one of the third to fifth means, the first punch holding device is provided between the first turret punch press and the mold storage device. A first punch exchanging arm having a front end with a first punch exchanging arm and a first die exchanging arm having the first die holding unit at a front end are vertically separated from each other, and the first punch exchanging arm is swung toward the base side. The first die exchanging arm is configured so as to be swingable in the horizontal direction and ascendable and descendable about the center, and is configured to be swingable and ascendable and descendable in the horizontal direction around the swing center on the base side. Between the second turret punch press and the mold storage device, a second punch exchanging arm having the second punch holding portion at the tip and a second exchanging arm having the second die holding portion at the tip. Are vertically separated from each other, and the second pan The exchange arm is configured to be swingable in the horizontal direction about the swing center on the base side and to be able to move up and down, and the second die exchange arm is swingable in the horizontal direction about the swing center on the base side and to be able to move up and down. It is characterized by being configured to be possible.

As a seventh means, in addition to the invention-specific matter of any one of the third to sixth means, each of the plurality of first punch mounting portions and the plurality of second punch mounting portions is First punch information of a large number of punches to be attached / detached, second punch information of a large number of punches, and first punch information of a large number of dies to be attached / detached to / from the large number of first die mounting sections and the large number of second die mounting sections. A storage device is provided for storing the die information, the second die information of the multiple dies, the multiple punch storage units, the storage punch information of the multiple punches respectively stored in the multiple die storage units, and the storage die information of the multiple dies. From among a large number of storage punch information, storage punch information corresponding to each first punch information and storage punch information corresponding to each second punch information are selected, and each first punch information is selected from a large number of storage die information. Die And a processing unit for selecting storage die information corresponding to the information and the storage die information corresponding to each of the second die information, and the punch of the selected storage punch information is stored in the first punch extraction area or the second punch extraction area or the second punch extraction area. 2
A control device is provided for controlling the mold storage device so as to position the die of the selected storage die information in the first die extraction region while positioning the die in the die extraction region.

Therefore, when the die (punch, die) is replaced on the first turret punch press side while punching is being performed in the second turret punch press, the following is performed.

First, the first turret (first upper turret, first lower turret) is rotated to set a predetermined first mounting portion (first turret).
The punch mounting section and the first die mounting section are positioned in the first mold exchanging area (the first punch exchanging area and the first die exchanging area). Further, the first holding unit (the first punch holding unit and the second die holding unit) is moved in one direction to be positioned in the first mold changing area. Next, the first holding unit is lowered to hold the mold. Then, the first holding portion is raised to release the mold from the first mounting portion of the first turret.

After the mold is released, the first holding section is moved in the other direction while holding the mold, and the first ejection area (first punch ejection area, first die ejection area).
Position. In addition, empty mold storage section (punch storage section,
(A die storage unit) is positioned in the first extraction area. next,
By lowering the first holding unit to release the holding state of the first holding unit, the mold is housed in the mold housing unit.
Then, the first holding unit is raised, moved in one direction, and separated from the first extraction area.

After the first holding portion is separated from the first take-out area, a predetermined mold accommodating section accommodating a predetermined mold is positioned in the first take-out area. Next, the first holding unit is moved in the other direction to be positioned in the first extraction area. Then, the first holding unit is lowered to hold a predetermined mold by the first holding unit. Further, while holding the predetermined mold, the first holding unit is raised to take out the predetermined mold from the predetermined storage unit.

After taking out the predetermined mold, the first holding portion is moved in one direction while holding the predetermined mold, and positioned in the mold changing area. Then, by lowering the first holding portion to release the holding state, a predetermined mold is mounted on the predetermined first holding portion. After the predetermined mold is mounted, the first holding unit is raised and moved in the other direction to separate from the first mold exchange area.

By repeating the above operation many times,
A large number of molds mounted on a large number of mounting portions of the turret can be exchanged.

When the mold is exchanged on the second turret punch press side after the mold exchange is completed on the first turret punch press side, the mold is detached from the second mounting section and is inserted into the empty storage section. The predetermined mold is taken out of the storage and the predetermined storage part, and is mounted on the second mounting part in the same manner as described above.

It is also possible to change the mold on the second turret punch press while the mold is changed on the first turret punch press.

[0028]

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

Referring to FIGS. 1 to 3, a punching system 1 according to an embodiment of the present invention includes a first turret punch press 3 and a second turret punch press 5 separated from each other. The die (punch P, die D) is replaced on the punch press 3 side and on the second turret punch press 5 side.

A first disc-shaped upper turret 9a and a second disc-shaped upper turret 11a are vertically arranged on the bridge-type main body frame 7a of the first turret punch press 3 (front and back in FIGS. 1 and 3). , Upper and lower in FIG. 2, and a first upper turret 9 a
The second upper turret 11a rotates in synchronization with the driving of the first turret servomotor 13a.
The first upper turret 9a is provided with a large number of first punch mounting portions 15a in which the punch P is removably mounted in the circumferential direction, and the second lower turret 11a is provided with a large number of die D removably mounted thereon. The first die mounting portion 17a is appropriately provided in the circumferential direction.

Here, the predetermined first punch mounting portion 15a of the multiple first punch mounting portions 15a and the predetermined second die mounting portion 17a of the multiple second die mounting portions 17a are the first die mounting portions.
By synchronous rotation of the upper turret 9a and the first lower turret 11a, a first punch exchange area (a space where the punch P is exchanged on the first turret punch press 3 side) 19a and a first die exchange area (the first turret punch press 3 side). Are arranged in a space 21a where the die D is exchanged. In order to prevent the first upper turret 9a from being located above the first die exchange area 21a when the predetermined first die mounting portion 17a is positioned in the first die exchange area 21a, the first upper turret 9a is set.
a is made smaller than the first lower turret 11a, and the rotation axis 23a of the first upper turret 9a and the rotation axis 25a of the first lower turret 11a are shifted from each other.

Similarly, the bridge-shaped main frame 7b of the second turret punch press 5 is provided with a disk-shaped second upper turret 9b and a disk-shaped second lower turret 11b which are vertically opposed to each other. The upper turret 9b and the second lower turret 11b are the second turret servomotor 1
It rotates in synchronization with the driving of 3b. The second upper turret 9b is provided with a number of second punch mounting portions 15b for detachably holding the punch P in the circumferential direction, and the second lower turret 11b is removably mounted with a die D. A large number of second die mounting portions 17b are appropriately provided in the circumferential direction. Here, the second upper turret 9b and the second lower turret 11b are synchronized with each other to rotate the predetermined second punch mounting portion 15b and the predetermined second die mounting portion 17a to the second position.
It is positioned in a punch exchange area (a space where the punch P is exchanged on the second turret punch press 5 side) 19b and a second die exchange area (a space where the die D is exchanged on the second turret punch press 5 side) 21b. The second upper turret 9b is configured to be smaller than the second lower turret 11b, and the rotation shaft 23b of the second upper turret and the rotation shaft 2 of the second lower turret 11b
5b is configured with the axis shifted.

A base frame 27 is provided between the first turret punch press 3 and the second turret punch press 5, and a central portion of the base frame 27 is provided with a metal for accommodating a large number of punches P and a large number of dies D. A mold storage device 29 is provided.

More specifically, a column 31 is provided upright at the center of the base frame 27, and a rotating member 33 extending vertically is provided on the column 31 so as to be rotatable by driving a storage servomotor 35. It is. The rotary member 33 is provided with a disk-shaped punch storage frame 37, and the punch storage frame 37 is provided with a large number of punch storage sections 39 for detachably storing the punches P in the circumferential direction. The rotating member 33 is provided with a disc-shaped die housing frame 41 which is vertically opposed to and integrally provided with the punch housing frame 37. The die housing frame 41 has a number of dies for detachably housing the die D. The storage section 43 is provided appropriately in the circumferential direction. A pair of storage frames 3 facing up and down
7 and 41 are configured to be detachable and height-adjustable with respect to the rotating member 33, and it is also possible to attach and detach a plurality of sets of storage frames 37 and 41 to and from the rotating member 33.

A predetermined punch storage section 39 among a large number of punch storage sections 39 is placed in a first punch take-out area (a space for taking out a punch P on the first turret punch press 3 side).
45a or a second punch take-out area (a space where the punch P is taken out on the side of the second turret punch press 5) 45
b, and a predetermined die accommodating portion 43 of the large number of die accommodating portions 43 is a first die take-out region (a space for taking out the die D on the first turret punch press 3 side) 47a or a second die take-out region. (Space for taking out the die D on the second turret punch press 5 side) 47
As shown in FIG. 5, a control device 49 is connected to the storage motor 35 for positioning at the position b, and a storage device 51 and an arithmetic device 53 are connected to the control device 49. Here, the storage device 51 stores first punch information of a large number of punches P and second punches of a large number of punches P which are respectively attached to and detached from the large number of first punch mounting portions 15a and the large number of second punch mounting portions 15b. Information, first die information of a large number of dies D, second die information of a large number of dies D, and a large number of punches to be attached to and detached from a large number of first die mounting portions 17a and a large number of second die mounting portions 17b, respectively Punch 39 stored in each of the section 39 and the many die storage sections 43
And the storage die information of a large number of dies D are stored. The arithmetic unit 53 selects storage punch information corresponding to each piece of first punch information and storage punch information corresponding to each piece of second punch information from among many pieces of storage punch information. From inside
It has an operation of selecting storage die information corresponding to each first die information and storage die information corresponding to each second die information.
Further, the controller 49 positions the punch P of the selected storage punch information in the first punch extraction area 45a or the second punch extraction area 45b, and positions the die D of the selected die information in the first die extraction area 47a or the first die extraction area 47a. It has the function of controlling the storage servomotor 35 so as to be positioned in the two-die takeout area 47b.

A first mold exchanging device 55 for exchanging the punch P and the die D is provided between the first turret punch press 3 and the mold accommodating device 29.

More specifically, a guide frame 57a is erected between the first turret punch press 3 and the mold storage device 29 in the base frame 27, and the guide frame 57a has an upper elevating body 59a and a lower Lifting body 61
a is provided so as to be able to move up and down. The upper lifting body 59a moves up and down by the operation of the upper lifting body servo motor 63a and the ball screw 65a, and the lower lifting body 61a moves up and down by the operation of the lower lifting body servo motor 67a and the ball screw 69a. . A first punch exchanging arm 73a having a first punch holding portion 71a at an end thereof for detachably holding a punch P is attached to the upper elevating body 59a by a swing shaft 7.
A first die exchanging arm 7 having a first die holding portion 77a at the tip end thereof, which is swingably supported in the horizontal direction via the lower die 5a, and which holds the die D detachably on the lower elevating body 61a.
9a is swingably supported in the horizontal direction via a swing shaft 81a. In order to swing the first punch exchange arm 73 and the first die exchange arm 79 in the horizontal direction in synchronization with each other, the guide frame 57a is provided with a spline shaft 85a that is linked to the oscillation servomotor 83a and extends vertically. And this spline shaft 85a is
a are connected to each other via gear mechanisms 87a and 89a. The spline shaft 85a penetrates a hole in the upper elevating body 59a and a hole in the lower elevating body 61a, respectively. The first punch holding part 71a and the first die holding part 77a are arranged in the longitudinal direction of the first exchange arm 73a. And the first die exchanging arm 79a is configured to be movable in the longitudinal direction.

Referring to FIGS. 1 and 4, a second mold exchanging device 91 for exchanging the punch P and the die D is provided between the second turret punch press 5 and the mold accommodating device 29. The configuration of the second die changing device 91 is substantially the same as the configuration of the first die changing device 55, and the components of the second die changing device 91 shown in the drawings are the first die changing device. In the drawings, the same reference numerals as those of the corresponding components in the mold changing apparatus 55 are given the same numbers, and the description of the configuration of the second mold apparatus 91 is omitted.

Next, the operation according to the embodiment of the present invention will be described.

When the die (punch P, die D) is replaced on the first turret punch press 3 side while punching is being performed on the second turret punch press 5, first, the first turret servo is used. The first upper turret 9a and the first lower turret 1 are driven by the motor 13a.
By rotating the first punch mounting portion 15a in synchronization with the first punch mounting portion 15a and the first die mounting portion 17a among the many first die mounting portions 17a, the first Positioning is performed in the punch processing area 19a and the first die exchange area 21a, respectively. Further, the spline shaft 85a is rotated by driving the swing servo motor 83a to swing the first punch exchange arm 73a and the first die exchange arm 79a in a horizontal direction (one direction) approaching the first turret punch press 3. As a result, the first punch holding section 71a and the first die holding section 77a are swung in one direction, and the first punch replacement area 19a and the first die replacement area 2 are rotated.
1a. Next, the first punch exchanging arm 73 is driven by the driving of the servo motor 63a for the upper elevating body.
is lowered to hold the punch P mounted on the predetermined first punch mounting section 15a, and the first die exchanging arm 79a is driven by the lower elevating body servomotor 67a.
Is lowered to hold the die D mounted on the predetermined first die mounting portion 17a. Then, the first punch exchanging arm 73a is raised by driving the upper lifting / lowering body servomotor 63a to release the punch 9 from the predetermined punch mounting portion 15a in the first upper turret 9a, and to lower the lifting / lowering body servomotor. 67a
The first lower turret 1 is raised by raising the die exchange arm 79a.
The die D is detached from the predetermined first die mounting portion 17a in 1a.

After the punch P and the die D are detached, the spline shaft 85a is rotated by driving the swing servo motor 83a to move the first punch holding portion 71a and the first die holding portion 77a to the first turret punch press 3. And is positioned in the first punch take-out area 45a and the first die take-out area 47a. By rotating the rotating member 33 by driving the storage servomotor 35, the empty punch storage unit 3 is rotated.
9 and the empty die storage section 43 are inserted into the first punch take-out area 45.
a and the first die take-out area 47a. Next, the punch P is stored in the empty punch storage 39 by lowering the first punch exchange arm 73a by driving the servomotor 63a for the upper elevating body to release the holding state of the first punch holding unit 71a. At the same time,
By lowering the first die exchanging arm 79a by driving the lower elevating body servomotor 67a to release the holding state of the first die holding portion 77a, the die D is housed in the empty die housing portion 43a. Then, the first punch exchanging arm 73a and the first die exchanging arm 79a are once raised, respectively, and the first punch holding portion 71a and the first die holding portion 77a are swung in the other directions, so that the first punch take-out area 45a and Each of them is separated from the first die take-out area 47a.

After the first punch holding section 71a and the first die holding section 77a are separated from the first punch take-out area 45a and the first die take-out area 47a, respectively, the rotating member 33 is rotated by driving the storage servomotor 35. Out of a large number of punch storage sections 39
And a predetermined die accommodating portion 43 among the many die accommodating portions 43.
Are positioned in the first punch take-out area 45a and the first die take-out area 47a, respectively. Next, the first punch holding portion 41a and the first die holding portion 77a are swung in other directions to be positioned in the first punch take-out region 45a and the first die take-out region 47a, respectively. Then, the first die holding unit 77a is lowered, and the predetermined punch Pn stored in the predetermined punch storage unit 39 by the first punch holding unit 71a is released.
(Use Pn to distinguish from punch P before replacement)
The die holding unit 77 is lowered, and the predetermined die Dn stored in the predetermined die storage unit 43 by the first die holding unit 77a.
(Using Dn to distinguish it from the die D before replacement). Further, the first punch holding portion 71a is raised to take out a predetermined punch Pn from the predetermined punch storage portion 39, and the first die holding portion 77a is raised to obtain a predetermined die D
n is taken out of the predetermined die storage section 43.

After the predetermined punch Pn and the predetermined die Dn are taken out from the predetermined punch storage section 39 and the predetermined die storage section 43, the first punch holding section 71a and the first die holding section 77 are taken out.
a is swung in one direction to be positioned in the first punch exchange area 19a and the first die exchange area 21a, respectively. Then, by lowering the first punch holding unit 71a to release the holding state of the first punch holding unit 71a, the predetermined punch Pn is mounted on the predetermined first punch mounting unit 15a, and the first die holding unit is mounted. By releasing the holding state of the first die holding portion 77a by lowering the first die holding portion 77a, the predetermined die Dn is mounted on the predetermined first die mounting portion 17a. After the predetermined punch Pn and the predetermined die Dn are mounted, the first punch mounting portion 71a and the first die mounting portion 77a are respectively raised and swung in the other direction.

By repeating the above operation many times,
Turret 9a, 1 in first turret punch press 3
The dies P and D attached to the la 1a can be exchanged.

As described above, when the die is changed on the second turret punch press 5 after the die is changed on the first turret punch press 3 side, the die P is transferred from the second turret 9b, 11b. , D, molds P, D
To the empty storage sections 39 and 43, and the predetermined storage section 3
The predetermined dies Pn and Dn are taken out from the dies 9 and 43, and the predetermined dies Pn and Dn are mounted on the turrets 11b and 13b as described above. While the mold is being replaced on the first turret punch press 3 side, the mold can be replaced on the second turret punch press 5 side.

According to the embodiment of the present invention as described above,
Since the mold storage device 29 is configured to be separated from the turret punch presses 3 and 5, one mold storage device 29 can be used for exchanging the mold on the side of the first turret punch press 3 and the second turret punch press.
The turret punch press 5 can also be used for mold exchange. Therefore, turret punch press 3,5
The cost of the punching system 1 including the plurality of turret punch presses 3 and 5 can be reduced without requiring the same number of the mold storage devices 29 as that of the first embodiment, and the space required for the punching system 1 can be reduced. Thus, the effective use of the factory space can be achieved.

Also, when the predetermined die mounting portions 17a, 17b are positioned in the die exchange regions 21a, 21b, the upper turrets 9a, 9b are not located in the die exchange regions 21a, 21b, so that the exchange money is reduced. Without using a mold holder, only the punch P and the die D can be directly attached to and detached from the turrets 9a, 9b, 11a, 11b in the vertical direction (vertical direction). Therefore,
The space required for the punch storage frame 37 and the die storage frame 41 is reduced, and the number of molds that can be replaced is dramatically increased.

[0048]

According to the first to third aspects of the present invention, the mold accommodating apparatus is separated from the turret punch press, so that the first turret punch press can exchange the mold and the second turret punch. One mold storage device can also be used for mold exchange on the turret punch side, and the same number of mold storage devices as the number of turret punch presses are not required. Therefore, the cost can be reduced in a punching processing system including a plurality of turret punch presses, and the space required for the punching processing system can be reduced, and the space in a factory can be effectively used.

According to the third aspect of the present invention, in addition to the above effects, when the predetermined die mounting portion is positioned in the die exchange region, the upper turret is not located in this die exchange region. Therefore, only the mold can be directly attached to and detached from the turret from above and below without using a replacement mold holder. Therefore, the space required for the mold storage device is reduced, and the number of molds that can be replaced is dramatically increased.

[Brief description of the drawings]

FIG. 1 is a plan view of a punching processing system.

FIG. 2 is a view taken along the line II-II in FIG.

FIG. 3 is a plan view of a first turret punch press side in the punching processing system.

FIG. 4 is a plan view of a second turret punch press side in the punching system.

FIG. 5 is a control block diagram.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Punching processing system 3 1st turret punch press 5 2nd turret punch press 9a, 9b 1st upper turret, 2nd upper turret 11a, 11b 1st lower turret, 2nd lower turret 15a, 15b 1st punch mounting part, 1st turret 2 punch mounting sections 17a, 17b 1st die mounting section, 2nd die mounting section 19a, 19b 1st punch exchange area, 2nd punch exchange area 21a, 21b 1st die exchange area, 2nd die exchange area 29 Mold storage Apparatus 37 Punch storage frame 39 Punch storage section 41 Die storage frame 43 Die storage section 45a, 45b First punch take-out area, second punch take-out area 47a, 47b First die take-out area, second die take-out area 55 First die Exchanger 71a First punch holder 73a First punch exchange arm 77a First die holder Part 79a first die exchange arm 91 second mold exchanging apparatus

[Procedure amendment]

[Submission date] February 19, 1999 (1999.2.1
9)

[Procedure amendment 1]

[Document name to be amended] Statement

[Correction target item name] Full text

[Correction method] Change

[Correction contents]

[Document Name] Statement

[Title of the Invention] A mold storage device used in a punching processing system

[Claims]

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold storage device used for a punching system having a plurality of turret punch presses.

[0002]

2. Description of the Related Art A conventional punching system having a turret punch press will be described.

A main frame of a turret punch press has a disc-shaped rotatable upper turret and a disc-shaped rotatable lower turret which are vertically opposed to each other. In the lower turret, a number of dies are appropriately provided in the circumferential direction. Here, a plurality of punches among a large number of punches are held by an exchange punch holder, and the exchange punch holder is provided on a punch holder mounting portion of an upper turret so as to be detachably attachable and replaceable in a horizontal direction. A plurality of dies among a large number of dies are held by a replacement die holder, and the replacement die holder is provided on a die holder mounting portion of a lower turret so as to be detachably replaceable in a horizontal direction.
The replacement punch holder and the replacement die holder are configured to be positioned in the punch holder replacement area and the die replacement holder area by synchronous rotation of the upper turret and the lower turret.

[0004] A die storage device is integrally provided behind the turret in the main body frame. The die storage device includes a large number of punch holder storage sections for removably storing a replacement punch holder in a horizontal direction and replacement. It has a large number of die holder storage sections for storing the die holder in a detachable manner from the horizontal direction. Here, a predetermined punch holder storage section of a large number of punch holder storage sections is configured to be positionable in a punch holder extraction area, and a predetermined die holder storage section of a large number of die holder storage sections is positionable in a die holder extraction area. It is composed.

A mold exchanging device is provided between the turret and the mold accommodating device in the main body frame. The mold exchanging device attaches and detaches a punch holder holding portion for detachably holding an exchange punch holder and an exchange die holder. A die holder holding portion is provided for holding the die holder. Here, the punch holder holding portion is configured to be movable between a position close to the punch holder exchange region and a position close to the punch holder take-out region, and the die holder holding portion is located at a position close to the die holder exchange region. It is configured to be movable between a position close to the die holder take-out area.

Therefore, the exchanged punch holder and the exchanged die holder are positioned in the punch holder exchange area and the die holder exchange area, respectively, by the synchronous rotation of the upper turret and the lower turret. Further, the punch holder holding unit and the die holder holding unit are respectively moved in one direction, and are positioned at a position close to the punch holder replacement area and a position close to the die holder replacement area, respectively. Then, the replacement punch holder is detached in the horizontal direction from the punch holder mounting portion of the upper turret to be held in the punch holder holding portion from the horizontal direction, and the replacement die holder is detached in the horizontal direction from the die holder mounting portion of the lower turret to hold the die holder. Part from the horizontal direction.

After holding the replacement punch holder and the replacement die holder, the punch holder holding part and the die holder holding part are moved in the other direction to be positioned at a position close to the punch holder storage area and a position close to the die holder storage area. Further, the empty punch holder storage section and the empty die holder storage section are positioned in the punch holder extraction area and the die holder extraction area, respectively. Then, the replacement punch holder is detached in the horizontal direction from the punch holder holding portion to be stored in the empty punch holder storage portion from the horizontal direction, and the replacement die holder is separated from the die holder holding portion in the horizontal direction, and the empty die holder storage portion is removed. To be stored horizontally.

After the replacement punch holder and the replacement die holder are stored, a predetermined punch holder storage portion storing the predetermined replacement punch holder and a predetermined die holder storage portion storing the predetermined replacement die holder are moved to the punch holder take-out area and the die holder. Position each in the extraction area. Then, the predetermined replacement punch holder is detached in the horizontal direction from the predetermined punch holder storage section, and the punch holder holding section is held in the horizontal direction, and the predetermined replacement die holder is horizontally removed from the predetermined die holder storage section. The die holder holder is held from the horizontal direction.

After holding the predetermined exchange punch holder and the predetermined exchange die holder, the punch holder holding section and the die holder holding section are moved in one direction to a position close to the punch holder exchange area and a position close to the die holder exchange area. Position each one. Then, the predetermined exchange punch holder is detached in the horizontal direction from the punch holder holding portion, and is mounted on the punch holder mounting portion of the upper turret from the horizontal direction, and the predetermined exchange die holder is detached in the horizontal direction from the die holder holding portion to lower the punch holder. The turret is mounted horizontally on the die holder mounting part.

As described above, the punch and the die can be exchanged via the exchange punch holder and the exchange die holder.

[0011]

In the conventional punching system, since the mold storage device is integrally formed with the turret punch press, one mold storage device can be used for a plurality of turret punch presses. Cannot be used for replacement work. Therefore, when the punching system is provided with a plurality of turret punch presses, the same number of mold storage devices as the turret punch presses are required, which increases the cost of the punching system and increases the size of the punching system. There is a problem that space is required.

[0012] Further, since the distance between the upper turret and the lower turret in the vertical direction is small and it is difficult to replace the die (punch, die) from the vertical direction (vertical direction), the die holder (horizontal direction) is difficult. Since the molds are exchanged indirectly via a punch holder and a die holder), only the molds held by the exchange mold holders can be exchanged, and many molds cannot be exchanged. There's a problem.

[0013]

SUMMARY OF THE INVENTION In view of the conventional problems, the invention according to claim 1 of the present invention relates to a mold storage device used in a punching processing system, in which a plurality of punches are detachably mounted on a base frame. A punch storage frame for removably storing a die and a die storage frame for removably storing a plurality of dies are provided so as to be vertically opposed to each other and horizontally rotatably provided, and a guide frame provided on the base frame includes an upper elevating body, A lower elevating body provided so as to be able to move up and down, a ball screw for elevating the upper elevating body being rotatably provided, and a ball screw for elevating the lower elevating body being rotatably provided; the punch storage frame and the turret punch; A punch exchanging arm having a punch holding portion at a tip end for holding a punch to be exchanged with an upper turret in a press is provided on the upper turret. The lower part is provided with a die holding part for holding a die to be exchanged between the die housing frame and a lower turret in the turret punch press. A vertically swingable support is provided on the elevating body, and a spline shaft for horizontally swinging the punch exchange arm and the die exchange arm in synchronization is vertically penetrated through the upper elevating body and the lower elevating body. And the spline shaft and the punch exchange arm and the die exchange arm are connected in an interlocked manner.

According to a second aspect of the present invention, in the mold storage device of the first aspect, a ball screw for raising and lowering the upper lifting member and a ball screw for raising and lowering the lower lifting member are each rotated by a servomotor. It is a configuration that is performed.

According to a third aspect of the present invention, in the mold storage device according to the first or second aspect, the spline shaft is rotated by a servomotor.

[0016]

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

Referring to FIGS. 1 to 3, a punching processing system 1 according to an embodiment of the present invention includes a first turret punch press 3 and a second turret punch press 5 separated from each other. The die (punch P, die D) is replaced on the punch press 3 side and on the second turret punch press 5 side.

A first disc-shaped upper turret 9a and a second disc-shaped upper turret 11a are vertically arranged on the bridge-type main body frame 7a of the first turret punch press 3 (front and back in FIGS. 1 and 3). , Upper and lower in FIG. 2, and a first upper turret 9 a
The second upper turret 11a rotates in synchronization with the driving of the first turret servomotor 13a.
The first upper turret 9a is provided with a large number of first punch mounting portions 15a in which the punch P is removably mounted in the circumferential direction, and the second lower turret 11a is provided with a large number of die D removably mounted thereon. The first die mounting portion 17a is appropriately provided in the circumferential direction.

Here, the predetermined first punch mounting portion 15a of the multiple first punch mounting portions 15a and the predetermined second die mounting portion 17a of the multiple second die mounting portions 17a are the first die mounting portions.
By synchronous rotation of the upper turret 9a and the first lower turret 11a, a first punch exchange area (a space where the punch P is exchanged on the first turret punch press 3 side) 19a and a first die exchange area (the first turret punch press 3 side). Are arranged in a space 21a where the die D is exchanged. In order to prevent the first upper turret 9a from being located above the first die exchange area 21a when the predetermined first die mounting portion 17a is positioned in the first die exchange area 21a, the first upper turret 9a is set.
a is made smaller than the first lower turret 11a, and the rotation axis 23a of the first upper turret 9a and the rotation axis 25a of the first lower turret 11a are shifted from each other.

Similarly, a bridge-shaped main body frame 7b of the second turret punch press 5 is provided with a disk-shaped second upper turret 9b and a disk-shaped second lower turret 11b which are vertically opposed to each other. The upper turret 9b and the second lower turret 11b are the second turret servomotor 1
It rotates in synchronization with the driving of 3b. The second upper turret 9b is provided with a number of second punch mounting portions 15b for detachably holding the punch P in the circumferential direction, and the second lower turret 11b is removably mounted with a die D. A large number of second die mounting portions 17b are appropriately provided in the circumferential direction. Here, the second upper turret 9b and the second lower turret 11b are synchronized with each other to rotate the predetermined second punch mounting portion 15b and the predetermined second die mounting portion 17a to the second position.
It is positioned in a punch exchange area (a space where the punch P is exchanged on the second turret punch press 5 side) 19b and a second die exchange area (a space where the die D is exchanged on the second turret punch press 5 side) 21b. The second upper turret 9b is configured to be smaller than the second lower turret 11b, and the rotation shaft 23b of the second upper turret and the rotation shaft 2 of the second lower turret 11b
5b is configured with the axis shifted.

A base frame 27 is provided between the first turret punch press 3 and the second turret punch press 5, and a central portion of the base frame 27 is provided with a metal for accommodating a large number of punches P and a large number of dies D. A mold storage device 29 is provided.

More specifically, a column 31 is provided upright at the center of the base frame 27, and a rotating member 33 extending in the vertical direction is provided on the column 31 so as to be rotatable by driving a storage servomotor 35. It is. The rotary member 33 is provided with a disk-shaped punch storage frame 37, and the punch storage frame 37 is provided with a large number of punch storage sections 39 for detachably storing the punches P in the circumferential direction. The rotating member 33 is provided with a disc-shaped die housing frame 41 which is vertically opposed to and integrally provided with the punch housing frame 37. The die housing frame 41 has a number of dies for detachably housing the die D. The storage section 43 is provided appropriately in the circumferential direction. A pair of storage frames 3 facing up and down
7 and 41 are configured to be detachable and height-adjustable with respect to the rotating member 33, and it is also possible to attach and detach a plurality of sets of storage frames 37 and 41 to and from the rotating member 33.

A predetermined punch storage section 39 among a large number of punch storage sections 39 is set in a first punch take-out area (a space for taking out a punch P on the first turret punch press 3 side).
45a or a second punch take-out area (a space where the punch P is taken out on the side of the second turret punch press 5) 45
b, and a predetermined die accommodating portion 43 of the large number of die accommodating portions 43 is a first die take-out region (a space for taking out the die D on the first turret punch press 3 side) 47a or a second die take-out region. (Space for taking out the die D on the second turret punch press 5 side) 47
As shown in FIG. 5, a control device 49 is connected to the storage motor 35 for positioning at the position b, and a storage device 51 and an arithmetic device 53 are connected to the control device 49. Here, the storage device 51 stores first punch information of a large number of punches P and second punches of a large number of punches P which are respectively attached to and detached from the large number of first punch mounting portions 15a and the large number of second punch mounting portions 15b. Information, first die information of a large number of dies D, second die information of a large number of dies D, and a large number of punches to be attached to and detached from a large number of first die mounting portions 17a and a large number of second die mounting portions 17b, respectively Punch 39 stored in each of the section 39 and the many die storage sections 43
And the storage die information of a large number of dies D are stored. The arithmetic unit 53 selects storage punch information corresponding to each piece of first punch information and storage punch information corresponding to each piece of second punch information from among many pieces of storage punch information. From inside
It has an operation of selecting storage die information corresponding to each first die information and storage die information corresponding to each second die information.
Further, the controller 49 positions the punch P of the selected storage punch information in the first punch extraction area 45a or the second punch extraction area 45b, and positions the die D of the selected die information in the first die extraction area 47a or the first die extraction area 47a. It has the function of controlling the storage servomotor 35 so as to be positioned in the two-die takeout area 47b.

A first mold exchanging device 55 for exchanging the punch P and the die D is provided between the first turret punch press 3 and the mold accommodating device 29.

More specifically, a guide frame 57a is provided upright between the first turret punch press 3 and the mold storage device 29 in the base frame 27. The guide frame 57a has an upper elevating body 59a and a lower part. Lifting body 61
a is provided so as to be able to move up and down. The upper lifting body 59a moves up and down by the operation of the upper lifting body servo motor 63a and the ball screw 65a, and the lower lifting body 61a moves up and down by the operation of the lower lifting body servo motor 67a and the ball screw 69a. . A first punch exchanging arm 73a having a first punch holding portion 71a at an end thereof for detachably holding a punch P is attached to the upper elevating body 59a by a swing shaft 7.
A first die exchanging arm 7 having a first die holding portion 77a at the tip end thereof, which is swingably supported in the horizontal direction via the lower die 5a, and which holds the die D detachably on the lower elevating body 61a.
9a is swingably supported in the horizontal direction via a swing shaft 81a. In order to swing the first punch exchange arm 73 and the first die exchange arm 79 in the horizontal direction in synchronization with each other, the guide frame 57a is provided with a spline shaft 85a that is linked to the oscillation servomotor 83a and extends vertically. And this spline shaft 85a is
a are connected to each other via gear mechanisms 87a and 89a. The spline shaft 85a penetrates a hole in the upper elevating body 59a and a hole in the lower elevating body 61a, respectively. The first punch holding part 71a and the first die holding part 77a are arranged in the longitudinal direction of the first exchange arm 73a. And the first die exchanging arm 79a is configured to be movable in the longitudinal direction.

Referring to FIGS. 1 and 4, a second mold exchanging device 91 for exchanging the punch P and the die D is provided between the second turret punch press 5 and the mold accommodating device 29. The configuration of the second die changing device 91 is substantially the same as the configuration of the first die changing device 55, and the components of the second die changing device 91 shown in the drawings are the first die changing device. In the drawings, the same reference numerals as those of the corresponding components in the mold changing apparatus 55 are given the same numbers, and the description of the configuration of the second mold apparatus 91 is omitted.

Next, the operation according to the embodiment of the present invention will be described.

When the die (punch P, die D) is exchanged on the first turret punch press 3 side while the punching is being performed on the second turret punch press 5, the first turret servo is first used. The first upper turret 9a and the first lower turret 1 are driven by the motor 13a.
By rotating the first punch mounting portion 15a in synchronization with the first punch mounting portion 15a and the first die mounting portion 17a among the many first die mounting portions 17a, the first Positioning is performed in the punch processing area 19a and the first die exchange area 21a, respectively. Further, the spline shaft 85a is rotated by driving the swing servo motor 83a to swing the first punch exchange arm 73a and the first die exchange arm 79a in a horizontal direction (one direction) approaching the first turret punch press 3. As a result, the first punch holding section 71a and the first die holding section 77a are swung in one direction, and the first punch replacement area 19a and the first die replacement area 2 are rotated.
1a. Next, the first punch exchanging arm 73 is driven by the driving of the servo motor 63a for the upper elevating body.
is lowered to hold the punch P mounted on the predetermined first punch mounting section 15a, and the first die exchanging arm 79a is driven by the lower elevating body servomotor 67a.
Is lowered to hold the die D mounted on the predetermined first die mounting portion 17a. Then, the first punch exchanging arm 73a is raised by driving the upper lifting / lowering body servomotor 63a to release the punch 9 from the predetermined punch mounting portion 15a in the first upper turret 9a, and to lower the lifting / lowering body servomotor. 67a
The first lower turret 1 is raised by raising the die exchange arm 79a.
The die D is detached from the predetermined first die mounting portion 17a in 1a.

After the punch P and the die D are detached, the spline shaft 85a is rotated by driving the swing servo motor 83a to move the first punch holding portion 71a and the first die holding portion 77a to the first turret punch press 3. And is positioned in the first punch take-out area 45a and the first die take-out area 47a. By rotating the rotating member 33 by driving the storage servomotor 35, the empty punch storage unit 3 is rotated.
9 and the empty die storage section 43 are inserted into the first punch take-out area 45.
a and the first die take-out area 47a. Next, the punch P is stored in the empty punch storage 39 by lowering the first punch exchange arm 73a by driving the servomotor 63a for the upper elevating body to release the holding state of the first punch holding unit 71a. At the same time,
By lowering the first die exchanging arm 79a by driving the lower elevating body servomotor 67a to release the holding state of the first die holding portion 77a, the die D is housed in the empty die housing portion 43a. Then, the first punch exchanging arm 73a and the first die exchanging arm 79a are once raised, respectively, and the first punch holding portion 71a and the first die holding portion 77a are swung in the other directions, so that the first punch take-out area 45a and Each of them is separated from the first die take-out area 47a.

After the first punch holding section 71a and the first die holding section 77a are separated from the first punch take-out area 45a and the first die take-out area 47a, respectively, the rotating member 33 is rotated by driving the storage servomotor 35. Out of a large number of punch storage sections 39
And a predetermined die accommodating portion 43 among the many die accommodating portions 43.
Are positioned in the first punch take-out area 45a and the first die take-out area 47a, respectively. Next, the first punch holding portion 41a and the first die holding portion 77a are swung in other directions to be positioned in the first punch take-out region 45a and the first die take-out region 47a, respectively. Then, the first die holding unit 77a is lowered, and the predetermined punch Pn stored in the predetermined punch storage unit 39 by the first punch holding unit 71a is released.
(Use Pn to distinguish from punch P before replacement)
The die holding unit 77 is lowered, and the predetermined die Dn stored in the predetermined die storage unit 43 by the first die holding unit 77a.
(Using Dn to distinguish it from the die D before replacement). Further, the first punch holding portion 71a is raised to take out a predetermined punch Pn from the predetermined punch storage portion 39, and the first die holding portion 77a is raised to obtain a predetermined die D
n is taken out of the predetermined die storage section 43.

After the predetermined punch Pn and the predetermined die Dn are taken out from the predetermined punch storage 39 and the predetermined die storage 43, the first punch holding section 71a and the first die holding section 77 are removed.
a is swung in one direction to be positioned in the first punch exchange area 19a and the first die exchange area 21a, respectively. Then, by lowering the first punch holding unit 71a to release the holding state of the first punch holding unit 71a, the predetermined punch Pn is mounted on the predetermined first punch mounting unit 15a, and the first die holding unit is mounted. By releasing the holding state of the first die holding portion 77a by lowering the first die holding portion 77a, the predetermined die Dn is mounted on the predetermined first die mounting portion 17a. After the predetermined punch Pn and the predetermined die Dn are mounted, the first punch mounting portion 71a and the first die mounting portion 77a are respectively raised and swung in the other direction.

By repeating the above operation many times,
Turret 9a, 1 in first turret punch press 3
The dies P and D attached to the la 1a can be exchanged.

As described above, when the die is changed on the second turret punch press 5 side after the die change on the first turret punch press 3 side is completed, the die P is transferred from the second turret 9b, 11b. , D, molds P, D
To the empty storage sections 39 and 43, and the predetermined storage section 3
The predetermined dies Pn and Dn are taken out from the dies 9 and 43, and the predetermined dies Pn and Dn are mounted on the turrets 11b and 13b as described above. While the mold is being replaced on the first turret punch press 3 side, the mold can be replaced on the second turret punch press 5 side.

According to the embodiment of the present invention as described above,
Since the mold storage device 29 is configured to be separated from the turret punch presses 3 and 5, one mold storage device 29 can be used for exchanging the mold on the side of the first turret punch press 3 and the second turret punch press.
The turret punch press 5 can also be used for mold exchange. Therefore, turret punch press 3,5
The cost of the punching system 1 including the plurality of turret punch presses 3 and 5 can be reduced without requiring the same number of the mold storage devices 29 as that of the first embodiment, and the space required for the punching system 1 can be reduced. Thus, the effective use of the factory space can be achieved.

Further, when the predetermined die mounting portions 17a, 17b are positioned in the die exchange regions 21a, 21b, the upper turrets 9a, 9b are not located in the die exchange regions 21a, 21b, so that the exchange money is reduced. Without using a mold holder, only the punch P and the die D can be directly attached to and detached from the turrets 9a, 9b, 11a, 11b in the vertical direction (vertical direction). Therefore,
The space required for the punch storage frame 37 and the die storage frame 41 is reduced, and the number of molds that can be replaced is dramatically increased.

[0036]

According to the present invention, the space required for the punching processing system can be reduced, and the space in the factory can be effectively used. Also, the space required for the mold storage device is reduced.

[Brief description of the drawings]

FIG. 1 is a plan view of a punching processing system.

FIG. 2 is a view taken along the line II-II in FIG.

FIG. 3 is a plan view of a first turret punch press side in the punching processing system.

FIG. 4 is a plan view of a second turret punch press side in the punching system.

FIG. 5 is a control block diagram.

[Description of Signs] 1 Punching system 3 First turret punch press 5 2nd turret punch press 9a, 9b 1st upper turret, 2nd upper turret 11a, 11b 1st lower turret, 2nd lower turret 15a, 15b 1st Punch mounting part, second punch mounting part 17a, 17b First die mounting part, second die mounting part 19a, 19b First punch exchange area, second punch exchange area 21a, 21b First die exchange area, second die exchange Area 29 Die storage device 37 Punch storage frame 39 Punch storage part 41 Die storage frame 43 Die storage part 45a, 45b First punch take-out area, second punch take-out area 47a, 47b First die take-out area, second die take-out area 55 First die changing device 71a First punch holding portion 73a First punch changing arm 7 a first die holding section 79a first die exchange arm 91 second mold exchanging apparatus

Claims (3)

[Claims] 1. A first turret punch press having a disc-shaped rotatable first turret and a disc-shaped rotatable second turret.
A second turret punch press having a turret is provided at a distance, a large number of first mounting portions for detachably mounting a mold on the first turret are appropriately provided in the circumferential direction, and a large number of first mounting portions are provided. A predetermined first mounting portion is configured so as to be positioned in the first exchange area by rotating the first turret, and similarly, a plurality of second mounting portions for detachably mounting a mold on the second turret are formed. The first turret punch press and the second turret punch are configured so that the second turret can be positioned at a predetermined second mounting portion by rotating the second turret. A mold storage device having a large number of storage sections for detachably storing a mold between presses is provided, and a predetermined storage section of the plurality of storage sections can be positioned in a first extraction area and a second extraction area. And the first turret A first mold exchanging device having a first holding unit for holding a mold is provided between the chip press and the mold storage device, and the first holding unit is moved between the first exchanging area and the first unloading area. And a second mold exchanging device having a second holding portion for holding a mold between the second turret punch press and the mold storage device. A punching system, wherein the holding unit is configured to be movable between a second exchange area and a second removal area and to be able to move up and down. 2. A disk-shaped rotatable second turret, similarly to a disk-shaped rotatable first lower turret provided with a first turret punch press having upper and lower disk-shaped rotatable first turrets. A plurality of second turret punch presses having upper and lower turrets and a disc-shaped rotatable second lower turret provided vertically above and separated from the first turret punch press, and a punch is detachably mounted on the first upper turret. The first punch mounting portion is appropriately provided in the circumferential direction, and
A plurality of first die mounting portions for detachably mounting a die on the first lower turret are appropriately provided in the circumferential direction, and a predetermined first punch mounting portion of the plurality of first punch mounting portions is a first upper turret. The first lower die turret is rotated by rotating the first lower turret so that a predetermined first die mounting portion of the plurality of first die mounting portions is rotated by the first lower turret.
It is configured to be positionable in the die exchange area, and is configured such that when the predetermined first die mounting portion is positioned in the first die exchange area, the first upper turret is not located above the first die exchange area, Similarly, a plurality of second punch mounting portions for detachably mounting a punch on the second upper turret are appropriately provided in the circumferential direction, and a plurality of second dies for detachably mounting a die on the second lower turret. The mounting portion is appropriately provided in the circumferential direction, and a predetermined second punch mounting portion of the plurality of second punch mounting portions is set in the second position by rotating the second upper turret.
In addition to being configured to be able to be positioned in the punch exchange area, a predetermined second die installation section among a large number of second die installation sections can be positioned in the second die exchange area by rotating the second lower turret. A second upper turret is not positioned above the second die exchange area when a predetermined second die mounting section is positioned in the second die exchange area; A mold storage device having a large number of punch storage sections for detachably storing punches and a large number of die storage sections for detachably storing dies during the second turret punch press is provided. A predetermined punch accommodating portion is configured to be positionable in the first punch extracting region and the second punch extracting region, and a predetermined die accommodating portion of the multiple die accommodating portions is located in the first die extracting region and the second punch extracting region. A first metal die configured to be positionable in a die take-out area and having a first punch holding part for holding a punch and a first die holding part for holding a die between the first turret punch press and the mold storage device; A mold changing device is provided, the first punch holding unit is configured to be movable and vertically movable between a first punch changing region and a first punch take-out / storage region, and the first die holding unit is connected to the first die changing region. A second punch holding unit for holding a punch between the second turret punch press and the mold storage device, and a second holding die for the first turret punch press and the mold storage device. A second mold exchanging device having a two-die holding unit is provided, and the second punch holding unit is configured to be movable and vertically movable between a second punch exchanging area and a second punch take-out area. A punch press, wherein the two-die holding portion is configured to be movable and vertically movable between a second die exchange region and a second die take-out region. 3. An upper turret is made smaller than a lower turret so that an upper turret is not positioned above the die exchange area when a predetermined die mounting portion is positioned in the die exchange area. 3. The punching system according to claim 2, wherein the rotation axis of the turret and the rotation axis of the lower turret are shifted from each other.