JP2568746Y2 - Mold storage exchange system - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mold storing and exchanging system for accommodating a large number of mold sets each composed of an upper mold and a lower mold opposed to each other and for exchanging mold sets.

[0002]

2. Description of the Related Art A conventional mold storage and exchange system will be described.

In the vicinity of the punch press, there is provided a die storage device for storing a large number of die sets each including an upper die and a lower die which are opposed to each other, and a die mounting member (for example, a turret punch press) in the punch press. In this case, there is provided a mold exchanging device for exchanging a mold set mounted on a turret and a mold set stored in the above-mentioned mold storing device. The mold storage device includes a storage base extending in a vertical direction, an endless chain that is provided in the storage base and extends in a vertical direction, and is capable of being circulated, and a number of storage pallets provided in the chain. ing. Here, each storage pallet stores an upper mold holder for holding an upper mold and a lower mold holder for holding a lower mold vertically.
By rotating the chain, it is possible to index into the exchange area (the area where the mold set can be sent out and taken in to the mold changing device) and the setup area (the area where the mold set can be set up for the storage pallet). It is.
Then, in order to set up a mold set with respect to a predetermined empty storage pallet indexed to the above-mentioned setup area, two upper and lower upper setup members and a lower setup member are provided on a side of the storage base facing the setup area. An upper guide rail for movably supporting the upper mold holder in the horizontal direction on the upper setup member, and a lower guide rail for supporting the lower mold holder in the horizontal direction movably for the lower setup member.

Therefore, a predetermined empty storage pallet is indexed into the setup area by rotating the chain. Also,
The upper mold holder holding the upper mold is supported by the upper guide rail, and the lower mold holder holding the lower mold is supported by the lower guide rail. Then, the upper mold holder is set up above a predetermined empty storage pallet, and the lower mold holder is set up below a predetermined empty storage pallet. By repeating the above operation, a large number of mold sets can be housed in the mold housing device.

[0005] After a large number of mold sets are stored in the mold storage device, the mold set mounted on the die mounting member in the punch press and the mold stored in the die storage device are used by the die changing device. Replace the mold set.

[0006]

However, since the upper set-up member and the lower set-up member in the upper and lower stages are provided on opposite sides of the set-up area in the storage base, the upper mold holder and the lower mold holder are connected to the upper guide. It is necessary to separately support the rail and the lower guide rail, and there is a problem that the work of setting up the mold set becomes complicated. In particular, when the upper mold holder is supported by the lower guide rail or the lower mold holder is supported by the upper guide rail, the upper mold holder or the lower mold holder is moved from the lower guide rail or the upper guide rail. It is necessary to remove it and support it on the upper guide rail or the lower guide rail, which further complicates the setup operation.

[0007]

As described above, in order to solve the conventional problems, in the present invention, a mold set including an upper mold and a lower mold which are vertically opposed to each other is provided near a punch press. A mold accommodating apparatus for accommodating a large number of molds is provided, and a mold exchanging apparatus for exchanging a mold set attached to a mold attaching member in a punch press with a mold set accommodated in the mold accommodating apparatus is provided. In the mold storage and exchange system, the die storage device is provided in the storage base extending in the up-down direction, an endless chain capable of being provided in the storage base and extending in the up-down direction and capable of being circulated, and provided in the chain. An upper mold holder for holding the upper mold and a number of storage pallets for vertically holding the lower mold holder for holding the lower mold are provided. The mold set is sent out to the above-mentioned mold changing device by rotation of the tool, and it can be indexed into a set-up area where the mold set can be set up with respect to the storage pallet. In order to set up a mold set with respect to a predetermined empty storage pallet indexed to the above, a setup member is provided at a position facing the setup area in the storage base, and an upper mold holder and a lower mold are provided on the setup member. A guide rail that supports the mold holder so as to be movable in the horizontal direction, the set-up member is set at an ascending position where an upper mold holder can be set up from the guide rail with respect to an upper part of the predetermined empty storage pallet; Set the lower mold holder from the above guide rail to the lower part of the predetermined empty storage pallet. And characterized by being vertically movable structure between the up possible lowered position.

[0008]

According to the above arrangement, a predetermined empty storage pallet is indexed into the setup area by rotating the chain. Further, an upper mold holder holding the upper mold and a lower holder holding the lower mold are supported by the guide rail.
Then, for example, when the upper mold holder is close to the set-up area, the set-up member is raised to the raised position, and the upper mold holder is set up on a predetermined empty storage pallet. It should be noted that when the set-up member is previously located at the raised position, it is not necessary to raise the set-up member. Next, the set-up member is lowered to the lower position, and the lower mold holder is set up below a predetermined empty storage pallet. By repeating the above operation, a large number of mold sets can be housed in the mold housing device.

[0009] After a large number of mold sets are stored in the mold storage device, the die set mounted on the die mounting member in the punch press and the die stored in the die storage device by the die changing device. Replace with a mold set.

[0010]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing a mold storing and replacing system according to an embodiment of the present invention; The configurations of the turret punch press and the mold changing device will be schematically described.

Referring to FIGS. 6 and 7, the turret punch press 1 is provided with a portal frame 3 and a rotatable upper turret 5 and a lower turret 7 are provided in the center of the portal frame 3. A turret 9 is supported by the portal frame 3. On the circumference of the upper turret 5 and the lower turret 7, dies comprising a plurality of upper dies and lower dies are mounted facing each other. As shown in FIG. 7, the turret 9 is rotationally driven synchronously by a rotary shaft driving unit T provided in the portal frame 3.

A processing position 11 is provided on the left side of the turret 9, and a striker provided above the processing position 11 at this processing position 11 by a driving device provided on the upper frame of the portal frame 3. The vertical movement of
The upper die and the lower die cooperate with each other to perform the upper die forming at a desired position of the work W positioned at the processing position 11.

A fixed center table 13 is provided at a lower portion of the portal frame 3. A movable center is provided on both sides of the center table 13 so as to be movable in the Y-axis direction (left and right directions in FIGS. 6 and 7). A table 15 is provided. When the movable table 15 is moved in the Y-axis direction, the movable table 15 is guided by a plurality of guides 17 extending in the Y-axis direction and is smoothly moved.

A carriage base 19 is provided on the left end of the movable table 15 so as to extend in the X-axis direction (a direction perpendicular to the drawing in FIG. 6 and a vertical direction in FIG. 7). Is provided with a workpiece movement positioning device 21. That is, the carriage base 19 is provided with a carriage 23 that is movable in the X-axis direction, and a plurality of work clamps 25 that grip the work W are attached to the carriage 23.

With the above structure, the movable table 15 is moved in the Y-axis direction and the carriage 23 is moved in the X-axis direction, so that the work W gripped by the work clamp 25 is moved in the X-axis and Y-axis directions. Then, the desired position to be processed is positioned at the processing position 11, and the upper mold is processed.

A mold storage device 27 is provided adjacent to the right side of the portal frame 3. This mold storage device 27
Mold set 29 consisting of an appropriate number of upper and lower molds
Are arranged at appropriate intervals in the Y-axis direction, and a storage pallet which is a part of a mold storage device 27 which stores a mold set 29 which is a mold set storage section disposed so as to face each other vertically. 31 are provided. In addition, the storage pallet 31 is configured to be able to circulate and move in the Z-axis direction (vertical direction in FIG. 6).

On the circumference of the turret 9 composed of the upper turret 5 and the lower turret 7, as shown in FIG. 7, for example, a U-shape is cut in order to mount the mold set 29. A plurality of mold set mounting areas 33 are provided at appropriate intervals. Further, in FIG. 7, one of the positions of the mold set mounting area 33 is a mold changing position 35.

A mold exchanging device 37 movable in the X-axis and Y-axis directions is provided in front of the mold exchanging position 35 and the storage pallet 31 of the mold accommodating device 27. The plurality of mold set mounting areas 3
3, a housing 39 which is at least the same mold mounting portion
Is provided.

On the other hand, as shown in FIG. 6 and FIG.
A base 41 extending in the axial direction is provided.
The housing 39 is slidably engaged with the plurality of guide rails 43 provided in the housing 1. And the drive motor 4
The housing 39 is movable in the Y-axis direction via a nut member (not shown) screwed into a ball screw 47 connected to the housing 5. In the housing 39, a clamp member for exchanging the mold set 29 in the mold set mounting area 33 or exchanging the mold set 29 stored in the storage pallet 31 of the mold storage device 27 is provided. Have been.

With the above configuration, when the drive motor 45 is driven, the ball screw 47 rotates, so that the housing 39 is moved in the Y-axis direction via the nut member. When the housing 39 is moved in the Y-axis direction,
Since it is guided by the guide rail 43, it can be moved smoothly. Then, the mold set 29 is taken out of the storage pallet 31 and mounted on the mold setting device area 33 of the turret 9 at the mold changing position 35, or the mold set 29 is set at the mold changing position 35. It can be removed from the mounting area 33 and stored in the storage pallet 31.

In a mold storage device 27 provided adjacent to the right side of the gate-shaped frame 3, a plurality of mold sets 29 each composed of an appropriate number of upper molds and lower molds are provided at appropriate intervals in the Y-axis direction. A storage pallet 31 is provided which is a part of a tool storage device which stores a mold set 29 which is a mold set storage section which is arranged and also vertically opposed to each other. Moreover, the storage pallet 31 is configured to be movable in the Z-axis direction (vertical direction in FIG. 6).

More specifically, as shown in FIG. 5, the configuration of the mold storage device 27 includes a chain sprocket 51 provided above and below a storage base 49 which is a part of an upright tool storage device. An endless chain 53 is hung around the pallet, and a plurality of the storage pallets 31 are hung at appropriate places on the chain 53. The upper pallet holder 55 with the upper die mounted thereon and the lower die holder 57 with the lower die mounted therein are stored in the storage pallet 31.
Although not shown, the chain sprocket 51 is rotated by a motor or the like via a transmission member.

Further, in FIG. 5, on the left side (front side) of the storage base 49, an automatic mold changing position 59 of the mold changing device 37 is provided. At the opposing position), the mold changing device 37 stores the mold set 29 in the boulder pallet 31,
It is removed and exchanged. In FIG. 5, at the set-up position 61 (a position facing a set-up area described later) on the right side (rear side) of the storage base 49, the mold set 29 is manually removed from the storage pallet 31 and stored, and exchanged. Done.

At the set-up position 61, a mold set-up device 63 is provided. As shown in FIGS. 1, 2 and 3, the specific configuration of the mold setup device 63 is such that the setup member 65 of the setup device 63 is located on the right side of the frame 27F in the mold storage device 27 in the left-right direction. (The horizontal direction in FIG. 1, the direction perpendicular to the paper in FIG. 2, the vertical direction in FIG. 3)
It is provided movably to. The setup member 65 is moved in the vertical direction in FIG. 3 and positioned on the work table 67 provided in the upper part in FIG. 3, and the upper and lower mold holders 55 and 57 are set manually. The upper and lower mold holders 55 and 57 are moved in and out of the mold storage device 27 at the position where the setup member 65 is shown in FIGS. 1, 2 and 3.

On the set-up member 65, a plurality (3 pairs in this embodiment) extending in the left-right direction in FIGS.
The upper and lower mold holders 55 and 57 are set on the guide rail 69.

The frame 2 in the mold storage device 27
7F, as well shown in FIGS. 1 and 2,
A vertical support plate 71 is attached with a plurality of bolts 73, and a horizontal support plate 75 is attached to the vertical support plate 71. This horizontal support plate 75
Are provided with link support frames 77 and 79 at appropriate intervals.

The horizontal support plate 75 is provided with a plurality of bearing blocks 81, 83, 85 and 87, and the bearing blocks 81 and 85 and 83 and 87 are connected by connecting shafts 89 and 91. This connecting shaft 89
Are connected to one ends of links 93 and 95; 97 and 99, and to the connecting shaft 91, one ends of links 101 and 103 are connected. The other ends of the links 101 and 103 are pins 105,
It is connected to the link 109 at 107.

The lower part of the vertical support plate 71 is pivotally supported at the lower part of a fluid cylinder 113 by a pin 111, and the tip of a piston rod 115 mounted on the fluid cylinder 113 is connected to the link 109 by a pin 117. ing.

A support plate 119 is mounted on the lower surface of the set-up member 65. The support plate 119 is provided with a plurality of support blocks 123 having grooves 121 extending in the left-right direction in FIG. The guide roller 12 is provided in the groove 121 of each support block 123.
5 are provided for rolling. This guide roller 125
, The other ends of the links 93, 95, 97, 99 are attached.

One end of a plurality of vertically moving guide rods 127 extending vertically in FIGS. 1 and 2 is attached to the support plate 119. The other end of the guide rod 127 is connected to the horizontal support plate 75. It is provided to penetrate and slide vertically.

By operating the fluid cylinder 113 to extend the piston rod 115 from the position indicated by the solid line to the position indicated by the two-dot chain line in FIG.
9, the links 101 and 103 are rotated clockwise, the links 93 and 95; 97 and 99 are also rotated in the same direction, and the guide roller 125 is turned into the groove 12 of the support block 123.
Rolling inside 1 causes the set-up member 65 to move down and be positioned from the up position to the down position. Further, by contracting the piston rod 115 of the fluid cylinder 113, an operation reverse to the above-described operation is performed, and the setup member 65 is raised from the lowered position to the raised position. Therefore, the upper and lower mold holders 55,
57 can be easily positioned at the ascending position and the descending position automatically, not manually. Thus, since the upper mold holder 55 can be moved in and out of the mold storage device 27 at the raised position, and the lower mold storage 57 can be moved in and out of the mold storage device 27 at the lowered position. The upper and lower mold holders 55 and 57 can be freely moved in and out of the order.

Since the upper and lower mold holders 55 and 57 are set at the upper and lower positions using the link mechanism, the set-up member 65 does not fall even if the pressure of the fluid cylinder 113 drops.

Further, by connecting the foot switch device 129 to the pump motor of the fluid cylinder 113 and operating the foot switch device 129 with the feet, both hands of the operator become free, and the upper and lower mold holders are held by both hands. 5
Since it is possible to take in and out of 5,57, the work becomes very easy and danger can be prevented.

As shown in FIG. 4, a support block 131 is provided on the upper right side of the mold storage device 27 so as to be foldable upward. The balancer 133 is mounted, and a pickup jig 134 is provided below the air balancer 131. Therefore, the upper and lower mold holders 55 and 57 are lifted by the pick-up jig 134 and placed on the movable base 137 provided with the casters 135,
Alternatively, the upper and lower mold holders 55 and 57 on the moving table 137 can be easily set in the setup device 63. Also in this case,
It goes without saying that the setup member 65 of the setup device 63 is moved up and down to the upper and lower positions as described above.

The configuration of the present invention is summarized as follows.

That is, near the turret punch press position, there is provided a mold storage device 27 for storing a large number of mold sets 29 each consisting of an upper die and a lower die which are vertically opposed to each other, and the turret 9 (upper part) at the turret punch press position is provided. In a mold storing and exchanging system including a mold exchanging device 37 for exchanging the mold set 29 mounted on the turret 5 and the lower turret 7) with the mold set 29 accommodated in the mold accommodating device 27, The mold storage device 27 includes a storage base 49 extending in the vertical direction, and a circulating endless chain 53 provided in the storage base 47 and extending in the vertical direction.
And a plurality of storage pallets 31 provided in the chain 53 and for vertically storing an upper mold holder 55 for holding an upper mold and a lower mold holder 57 for holding a lower mold. A predetermined storage pallet 31 of the pallets 31 is moved to the mold changing device 3 by rotating the chain 53.
7, the mold set 29 is sent out to the exchange area where the mold set 29 can be taken in, and the mold set 29 can be indexed to the setup area where the setup can be set up for the storage pallet 31. In order to set up the mold set 29 with respect to the storage pallet 31, a setup member 65 is provided on the side facing the setup area, and the upper mold holder 55 and the lower mold holder 57 are mounted on the setup member 65 of the storage base 49. A guide rail 69 for supporting the movable member in the horizontal direction; an ascending position at which the set-up member 65 can set up the upper mold holder 55 from the guide rail 69 with respect to the upper portion of the predetermined empty storage pallet 31; Guide rails are positioned below the predetermined empty storage pallet 31. The lower mold holder 57 from 69 characterized by being vertically movable structure between a set-up can be lowered position.

The operation of this embodiment is summarized as follows.

That is, by rotating the chain 53, a predetermined empty storage pallet 31 is indexed into the setup area.
Further, the upper mold holder 55 holding the upper mold and the lower mold holder 57 holding the lower mold are connected to the guide rail 69.
Let me support you. Then, for example, when the upper mold holder 55 is close to the setup area side, the setup member 65 is raised to be positioned at the ascending position, and the upper mold holder 55 is placed above the predetermined empty storage pallet 31. Let me set up. When the setup member 65 is previously located at the ascending position, there is no need to raise the setup member 65. Next, the set-up member 65 is lowered to the lower position, and the lower mold holder 57 is set up below a predetermined empty storage pallet 31. By repeating the above action,
A large number of mold sets 29 can be stored in the mold storage device 27.

After a large number of mold sets 29 are stored in the mold storage device 27, the mold set 29 mounted on the turret 9 by the mold changing device 59 and the mold stored in the mold storage device 27. Exchange with the set 29 is performed.

As described above, according to the invention of this embodiment, the guide rail 69 for supporting the upper mold holder 55 for holding the upper mold and the lower mold holder 57 for holding the lower mold so as to be movable in the horizontal direction. Is provided on the setup member 65,
By configuring the setup member 69 to be able to move up and down between the raised position and the lowered position, as in the prior art,
There is no need for an upper setup member and a lower setup member in two stages, and a single stage setup member 65 is sufficient,
The work of supporting the upper mold holder 55 and the lower mold holder 57 on the guide rail 69 is facilitated, the efficiency of a series of set-up operations of the mold set 29 is improved, and the number of set-up members is reduced to reduce the number of mold members. The configuration of the storage and exchange system can be simplified.

[0041]

As described above, according to the first aspect of the present invention, the upper mold holder for holding the upper mold and the lower mold holder for holding the lower mold are movably supported in the horizontal direction. A guide rail is provided on the set-up member, and the set-up member is configured to be able to move up and down between the raised position and the lowered position. Not required, one-stage setup members are sufficient, the work of supporting the upper mold holder and the lower mold holder on the guide rails is facilitated, and the efficiency of the series of mold set-up work is improved, and the setup is improved. By reducing the number of members, the configuration of the mold storing and replacing system can be simplified.

[Brief description of the drawings]

FIG. 1 is a front view of FIG. 2, showing a main part of the present invention.

FIG. 2 is an enlarged detailed view of a part viewed from an arrow II in FIG. 5;

FIG. 3 is a plan view of FIG.

FIG. 4 is another explanatory view in which a take-out jig is provided in the setup apparatus shown in FIG. 1;

FIG. 5 is an enlarged side view of the mold storage device in FIG. 6;

FIG. 6 is a side view of a turret upper die press according to one embodiment of the present invention.

FIG. 7 is a plan view of FIG.

[Explanation of symbols]

 1 Turret punch press 37 Die changing device 63 Setup device

Claims (1)

(57) [Scope of request for utility model registration] 1. A mold storage device is provided near a punch press for storing a large number of mold sets each including an upper mold and a lower mold facing vertically, and a mold mounted on a mold mounting member of the punch press. In a mold storage and exchange system provided with a mold exchange device for exchanging a set and a mold set stored in the mold storage device, the mold storage device includes a storage base extending in the up-down direction, An endless chain that is provided on the storage base and extends in the vertical direction and that can be circulated, and an upper mold holder that is provided on the chain and holds an upper mold and a lower mold holder that holds a lower mold is vertically moved. And a plurality of storage pallets for storing a predetermined storage pallet among the plurality of storage pallets. The rotation of the chain causes the mold set to be sent out to the die changing device, and exchange is possible. In order to set up a mold set for a predetermined empty storage pallet indexed to the setup area, a mold set can be indexed to a setup area where the mold set can be set up for the area and the storage pallet. A set-up member is provided at a position facing the set-up area on the base, and a guide rail for supporting the upper mold holder and the lower mold holder so as to be movable in the horizontal direction is provided on the set-up member. A raised position where the upper mold holder can be set up from the guide rail with respect to the upper part of the empty storage pallet;
A mold storage and exchange system, wherein a lower part of the predetermined empty storage pallet can be moved up and down between the guide rail and a lower position where a lower die holder can be set up.