JPH11246012A - Die stocker - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent falling and save time and labor at the time of taking out one long bending die from a drawer, storage a large number of bending dies in a small space, and facilitate taking out and storing a heavy bending die. SOLUTION: A die stocker 19 stores and accommodates a die used for bending process of a metal plate, and slidably holds some drawer shelves 3 storing and accommodating the die in a frame 1. A manual chain block 9 is movably provided on an I-steel rail 8 provided on the upper part of the frame 1, which puts the die in/out from the drawer shelf 3, in a state the drawer shelf 3 is pulled out from the frame 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a die stocker for storing and storing a bending die for a press brake for bending a sheet metal.

[0002]

2. Description of the Related Art Conventionally, as a die stocker for storing and storing a bending die for press brake in sheet metal bending processing, for example, Catalog No. 969
6-A-00 described in model numbers SUS-58 and SUS-102 are known.

FIG. 11 is a perspective view showing the mold stocker.
The mold stocker 40 includes a gantry 41 that supports several shelves in the height direction, a movable shelf A42 that can draw out a split bending mold, and a shelf B43 that stores one long bending mold.
And a member 44 fixed to the upper surface of the shelf B43 for setting up a bending mold.

[0004] In the above-mentioned mold stocker 40, a plurality of shelves are arranged in the height direction so that space can be effectively used and many bending dies can be stored and stored. The split bending die can be easily taken out by pulling the movable shelf A42 that can be pulled out toward the user, even when the bending die is stored in the back of the movable shelf A42. In addition, one long bending die is pulled out from the shelf B43 in the horizontal direction.

[0005]

However, in the conventional mold stocker, the shelf B43 storing one long bending mold is fixed to the gantry 41, so that the bending mold is pulled out in the horizontal direction. However, there is a problem that the operation at the time of taking out and storing is troublesome, and requires considerable labor and time. Further, when one long bending die is pulled out horizontally from the shelf B43, the bending die is moved to the shelf B4.
When the operator completely separates from 3, the operator must bear a considerable weight, and the bending tool may fall or be accidentally dropped due to being too heavy. Also,
When the operator has a heavy bending mold, there is a problem that the operator is forced to perform an unreasonable posture and work.

Further, when a large number of movable shelves A42 are pulled out, the gantry 41 may fall down toward the front, so that it is necessary to fix the gantry 41 to the floor. Bending stocker 40
Could not be installed.

[0007] The present invention has been made in view of the above-mentioned problems of the prior art.
Provided is a mold stocker that can save and store a large number of bending dies in a space-saving manner, eliminating the need for dropping, labor, and large labor when removing the bending dies, and enabling easy removal and storage of heavy bending dies. The purpose is to do. Another object of the present invention is to provide a mold stocker that does not fall over when the bending mold is taken out.

[0008]

To achieve the above object, a mold stocker according to claim 1 of the present invention is a mold stocker for storing and storing a mold for performing sheet metal bending and the like.
A movable shelf for storing and storing the mold, a gantry for holding the movable shelf slidably, and a mold for taking the mold in and out of the movable shelf with the movable shelf pulled out from the gantry, And a transfer device provided.

Further, in the mold stocker according to claim 2 of the present invention, in the mold stocker according to claim 1, the leg of the gantry is longer than a range in which the movable shelf slides with respect to the gantry.

That is, in the mold stocker according to the first aspect, when using the mold stored and stored in the movable shelf, the movable shelf slidably held on the gantry is pulled out, and the mold is removed from the movable shelf. Take out. At this time, the entire mold stored and stored in the movable shelf can be immediately recognized. Further, when removing the mold, the mold is lifted by a transfer device provided at the upper part of the gantry and is transferred to a predetermined position. If the mold is light, it can be transported while being held by a worker.

Further, in the mold stocker according to the second aspect, the leg of the gantry is made longer than the range in which the movable shelf slides with respect to the gantry, and the movable shelf storing and storing the mold is drawn out. In addition, the mold stocker is prevented from falling down.

[0012]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS [First Embodiment] A first embodiment of the present invention will be described with reference to FIGS. 1 is a front view of a mold stocker, FIG. 2 is a right side view of the mold stocker, FIG. 3 is a plan view of the mold stocker, FIG. 4 is a perspective view of a part of a stand of the mold stocker, and FIG. FIG. 6 is a cross-sectional view of the mold stocker viewed from the right side.

As shown in FIGS. 1 to 6, a mold stocker 19 according to the present embodiment includes a drawer shelf 3 as a movable shelf for storing a bending mold which is a mold for performing sheet metal bending work, and the like. 3 comprises a gantry 1 for slidably holding the bending die 3 and a manual chain block 9 as a transfer device for putting the bending die into and out of the drawer shelf 3.

As shown in FIG. 4, the gantry 1 is constructed by assembling commercially available steel materials by welding. In addition, the gantry 1
Has a laterally symmetric structure, and the illustration of the left side portion is omitted. A pair of front vertical members 1a and rear vertical members 1b of the gantry 1 are arranged in parallel, and a slide guide 2 that slidably holds both sides of the drawer shelf 3 between them (see FIG. 5).
Is provided. A front horizontal member 1d and a rear horizontal member 1e are provided in parallel between the pair of front vertical members 1a and between the pair of rear vertical members 1b. A guide mounting member 1f for mounting a slide guide 2 (see FIG. 5) for slidably holding the bottom surface of the drawer shelf 3 is provided between the front horizontal member 1d and the rear horizontal member 1e. Although the front horizontal member 1d, the rear horizontal member 1e, and the guide mounting members 1e and 1f are provided in several stages in the vertical direction, their structures are the same, so that the lower part is omitted.

The leg 4 of the gantry 1 has substantially the same length centering on the front vertical member 1a, and is formed to be about twice as long as the drawer shelf 3. As shown in FIG. 2, the drawer shelf 3 is held above and behind the front vertical member 1a except when the drawer is being pulled out. In addition, a reinforcing column 5 is welded between the front leg 4 of the front vertical member 1a and the front vertical member 1a. A commercial anchor bolt 6 is provided before and after the leg 4.
(See FIG. 2) The member 6a for using is welded, so that the anchor bolt 6 can be used.

At the front end of the leg 4, as shown in FIG. 1, a safety fence 7 is longer than the width of the mold stocker 19.
It is installed so as to protrude from both sides of the mold stocker 19. The safety fence 7 is manufactured by bending a commercially available pipe material, and the height thereof is set to about the height of a worker's knee.

As shown in FIG. 4, the front vertical member 1a of the gantry 1 is formed to be longer than the rear vertical member 1b, and its upper end is disposed above the position where the drawer shelf 3 is held. The upper end of the front vertical member 1a is bent toward the front of the mold stocker 19 (the direction in which the drawer shelf 3 is pulled out), and a commercially available I-shaped steel rail 8 is provided on the lower surface of the tip as shown in FIG. The mold stocker 19 is longer than the width of the mold stocker 19.
Are provided so as to protrude on both sides of the vehicle. A manual chain block 9 is suspended from the I-shaped steel rail 8. Rollers (not shown) are provided on the suspension portion of the manual chain block 9, and the manual chain block 9 can freely move in the left-right direction on the I-shaped steel rail 8 via these rollers. .

The drawer shelf 3 is, as shown in FIGS.
It is held by the gantry 1 and is provided in several steps (seven steps in the figure) in the height direction. As shown in FIG. 5, each drawer shelf 3 can be individually slid back and forth by slide guides 2 provided on both sides and the bottom surface of the drawer shelf 3, and can be pulled out from the holding position of the drawer shelf 3. ing. As shown in FIG. 6, a stopper 10 is attached to a rear portion of the drawer shelf 3, and the stopper 10 is applied to a front contact portion 11 formed on the front lateral member 1d and a rear contact portion 12 formed on the rear lateral member 1e. By attaching, the slide of the drawer shelf 3 can be stopped. Stopper 1
A damper 16 made of urethane is attached to the leading end of the reference numeral 0, and the damper 10 comes into contact with the front contact portion 11 and the rear contact portion 12, respectively.

As shown in FIG. 1, two handles 13 for pulling out the drawer shelves 3 are provided on the front surface of each drawer shelf 3 in the horizontal direction. The handle 13 is shown in FIG.
As shown in the figure, a rotatable portion is provided at a substantially central portion via a shaft, a hand portion is formed below the shaft, and a tip portion above the shaft is bent toward the front of the drawer shelf 3. A hook-like portion 13a that can be locked to the front lateral member 1d is formed. The handle 13 is always attached by a spring (not shown) so that the hook-shaped portion 13a can be locked to the front horizontal member 1d except when the operator pulls the handle 13 toward the user and pulls out the drawer shelf 3. It is being rushed.

As shown in FIG. 6, an underlay 14 made of wood or resin is laid on the inner bottom surface of each drawer shelf 3. A bending mold fixing member 15 made of wood or resin is mounted on the underlay 14 by screws or adhesive so that various bending dies 21, 22, 31 and the like are not moved into the drawer shelf 3. It can be stored and stored.

FIGS. 7 to 10 show a lifting jig used for inserting and removing a bending mold into and out of the drawer shelf 3. The lifting jig 20 shown in FIGS. 7 and 8 is used exclusively for the bending dies 21 and 22, and FIG.
Is a side view.

The lifting jig 20 includes a bending die 21,
A pair of claws 23 and 24 for holding the pair 22 are provided. The claw 23 and the claw 24 intersect in the vicinity of the center, and are rotatably connected by a pin 25 at a tolerance portion thereof. When the upper part of the claw 23 and the upper part of the claw 24 are moved in the approaching direction, the lower part of the claw 23 The lower part of the claw 24 also moves in the approaching direction. Upper part of claw 23 and claw 24
The grooved bearings 27 are respectively provided on the upper portions of the manual chain block 9 so that a wire (not shown) hooked on a hook of the manual chain block 9 can be wound. Also, claws 23
A hook-like portion 23a and a hook-like portion 24a formed to protrude inward so as to face each other are provided at the lower end of the claw 24 and the lower end of the claw 24. The hooks 23a and 24a have rubber 2
6 are applied, and nail 23 and nail 24
Is pivoted about the fulcrum pin 25 to move the upper part of the claw 23 and the upper part of the claw 24 closer, thereby moving the hook-like parts 23a and 24a closer to each other, , 24a can be clamped without sliding down the bending dies 21, 22.

The lifting jig 30 shown in FIG. 9 and FIG.
Is used exclusively for the bending die 31, FIG. 9 is a partially cutaway front view, and FIG. 10 is a side view. This lifting jig 3
0 has a pair of sandwiching plates 32 and 33 for gripping the bending die 31.
Is provided. Two members provided with through holes 36 are fixed to the upper portion of the holding plate 33, and the holding plate 32 and the holding plate 33 are rotatably connected by the pins 25 via these members. A wire (not shown) hooked on a hook of the manual chain block 9 can be inserted into the through hole 36. Also, a tension screw 35 is provided on the upper part of the sandwiching plate 32.
Are screwed in parallel to each other, and the ends thereof can contact the members provided with the through holes 36, respectively.
When the nut 5 is tightened, the sandwiching plate 32 rotates about the pin 34, and the lower end of the sandwiching plate 32 approaches the direction of the sandwiching plate 33 so that the bending mold 31 can be sandwiched between the sandwiching plates 32, 33. ing.

Next, the operation of the mold stocker having the above configuration will be described. As shown in FIG. 5, the drawer shelf 3 is slidably held on the gantry 1 via a slide guide 2 and is movable in the front-rear direction. An anchor bolt 6 for stably fixing the mold stocker 19 can be used on the leg 4 of the gantry 1. Further, the leg portion 4 formed long on the front side (front side) is provided with an anchor bolt 6.
Stabilizes the mold stocker 19 even when it is used in a place where it cannot be hit on the floor. That is, even if the drawer shelf 3 is completely pulled out and the bending dies are fully stored in the drawer shelf 3, the mold stocker 19 does not fall. Further, the reinforcing column 5 provided between the front leg 4a of the front vertical member 1a and the front vertical member 1a loads the front side of the leg 4 when the bending die is suspended by the manual chain block 9. To be strong against.

The I-shaped steel rail 8 attached to the upper end of the front vertical member 1a of the gantry 1 can freely move the manual chain block 9 suspended on the I-shaped steel rail 8 in the left and right direction by rollers (not shown). To hold. That is, the mold stocker 1
A press brake (not shown) is provided on one side or both sides of 9, and the manual chain block 9 can be moved from the mold stocker 19 to the end of the press brake by the I-shaped steel rail 8. As a result, the bending dies 21, 22 or the bending dies 31 held by the lifting jig 20 or the lifting jig 31 and lifted from the drawer shelf 3 by the manual chain block 9 are manually suspended while being suspended on the manual chain block 9. Thereby, it is possible to carry from the mold stocker 19 to a press brake (not shown).
This reduces the burden on the operator when carrying a heavy and long bending mold from the mold stocker 19 to a press brake (not shown). For example, reduce back pain workers.

Stopper 10 provided at the rear of drawer shelf 3
Restricts the sliding range of the drawer shelf 3 by hitting the front contact portion 11 at the limit position where the drawer shelf 3 is pulled out and hitting the rear contact portion 12 at the limit position where the drawer shelf 3 is pushed in. That is, drawer shelf 3
Is restricted by the stroke end of the slide guide 2, the drawer shelf 3 having strong inertia due to weight may break the stroke end of the slide guide 2,
Although there is a problem in terms of durability, the above problem is solved by restricting the movement of the drawer shelf 3 by applying the stopper 10 to the front contact portion 11 and the rear contact portion 12.

When the drawer shelf 3 is at the holding position of the drawer shelf 3, it is dangerous if the drawer comes out with some beat, and it is dangerous if it comes out when tilted due to an earthquake or the like. A hook 13a is formed at the upper end of the handle 13 for pulling out the shelf 3, and the hook 13a is hooked on the front horizontal member 1d to prevent the drawer shelf 3 from unexpectedly jumping out. Therefore, unless the operator pulls the handle 13 and pulls out the drawer shelf 3, the drawer shelf 3 cannot be pulled out. When the hand is released from the handle 13, the handle 13 returns to its original position by a spring (not shown), and the hook-like portion 13a can be locked with the front horizontal member 1d. The portion 13a is the front horizontal member 1.
d, and the drawer shelf 3 is locked.

An underlay 14 made of wood or resin is laid in the drawer shelf 3, and the underlay 14 receives the bottoms of the various bending dies 21, 22, 31, etc. , 22, 31 as a base for fixing the bending-type fixing member 15 for storing upright.
Here, wood or resin is used for various bending dies 21,
This is to prevent damage to 22, 31. Various bending dies 21,
Various bending dies 21, 22, and 22 are formed by the drawing operation of the drawer shelf 3.
This prevents the falling of the bending dies 31 and the damage caused by the contact between the various bending dies 21, 22, 31. Various bending dies 21,
Reference numerals 2 and 31 are stored and stored in the drawer shelf 3 in accordance with the direction in which they are mounted on a press brake (not shown) and the vertical relationship.

The safety fence 7 attached to the leg 4 of the gantry 1
Is wider than the mold stocker 19, and its height is the height of the worker's knee. When the bending tool is lifted by the manual chain block 9, the worker enters under the bending tool. Is to prevent. Thus, even if the bending mold falls, if the operator is not in the danger area, the influence on the operator can be prevented. Further, the reinforcing columns 5 of the gantry 1 also prevent the operator from entering the dangerous area from both sides of the mold stocker 19. Furthermore, it becomes an indication of how far the drawer shelf 3 is pulled out.

As shown in FIGS. 7 and 8, the lifting jig 20 is used.
Sandwiches the bending mold 21 and the bending mold 22. Bending mold 21,
Reference numeral 22 is sandwiched between the claws 23 and the claws 24, and is supported by the hook-like portions 23a and 24a. Hook 23
a, 24a is coated with a bending mold 2
Bending dies 2 and 1 and 2 can be held without slipping
Prevent damage to 1,22. Also, claws 23, 24
A wire (not shown) is hung on the grooved bearing 27 provided on the upper part of the chain block, and the wire is hung on the hook of the manual chain block 9. When the wire is hung on the hook and pulled up by the manual chain block 9, the wire tries to close the upper and lower portions of the claws 21 and 22 with the pin 25 as a fulcrum. As a result, the heavier the bending dies 21 and 22, the larger the bending dies 21 and 24 of the hook-shaped portions 23a and 24a.
The force for pinching 22 is increased. As a result, it is possible to carry the bending dies 21 and 22 to a press brake (not shown) by firmly sandwiching them. When the bending dies 21 and 22 are lowered on a press brake (not shown), the pinching force is weakened, and the bending dies 21 and 22 can be easily lifted off the jig 20.
By changing the shapes of the claws 21 and 22 of the lifting jig 21, it is possible to cope with bending dies having other shapes.

As shown in FIGS. 9 and 10, the lifting jig 3
In the case of No. 0, the bending die 31 is held between the holding plates 32 and 33. When the tension screw 33 is tightened up, the sandwiching plate 32 rotates about the pin 34 as a fulcrum, and the lower end approaches the sandwiching plate 33, and the bending mold 31 is strongly sandwiched between the sandwiching plate 32 and the sandwiching plate 33, The bending mold 31 is firmly fixed. A wire (not shown) is inserted into the through hole 36, and the wire is suspended from a hook of the manual chain block 9. When the manual chain block 9 is lifted in this state, the lifting jig 30 is lifted, and the bending mold 31 is carried to a press brake (not shown). After lowering the bending die 31 on a press brake (not shown),
Is loosened, the bending mold 31 can be easily removed from the lifting jig 31. The short and light bending dies are
As in the prior art, the work is carried to a press brake (not shown) by an operator.

According to the present embodiment, when carrying one long bending mold 21, 22, 31 to a press brake (not shown) and returning it to the drawer shelf 3 from the press brake (not shown), The burden on the user can be reduced. In addition, the mold stocker 19 can be stably installed even in a place where the drawer shelf 3 does not fall down even when the drawer shelf 3 is completely pulled out and the anchor bolt 6 is not hit.

The technical idea having the following configuration is derived from the above specific embodiment. (Supplementary note) (1) In a die stocker for storing and storing a bending mold for press brakes for bending a sheet metal provided with a member for independently supporting several shelves and bending dies and for preventing falling down, A mold stocker characterized in that all the shelves of the above-mentioned several stages can be pulled out, and a transport device is mounted on the upper part of the mold stocker.

The stocker according to claim 1, wherein a safety fence is provided at the front of the stocker.

[0035] The die stocker according to the appendix (1), wherein the front leg of the stocker is elongated in the front horizontal direction.

According to the mold stocker of the supplementary note (1), the long and heavy bending mold stored and stored on the drawable shelf can be transported to the press brake by the transport device provided at the upper part of the mold stocker. . Thereby, the fatigue of the worker can be reduced. Further, by storing and storing the bending dies on shelves that can be pulled out, when a plurality of types of bending dies are stored and stored in the shelf, the bending dies to be used by pulling out the shelf can be immediately obtained.

Further, according to the mold stocker of the appendix (2),
While the long and heavy bending mold is lifted and moved by the transport device, the safety fence can prevent the worker from entering under the bending mold.

According to the mold stocker of the supplementary note (3), by increasing the length of the front leg of the mold stocker, it is possible to prevent the bent stocker from falling over when all the drawable shelves are pulled out. It can be installed stably even in places where anchor bolts are not struck.

[0039]

As described above, according to the mold stocker according to the first aspect of the present invention, the long and heavy bending stored and stored in the drawer shelf by the transfer device provided at the top of the gantry. The mold can be put in and out. This allows
Worker fatigue can be reduced. Further, by storing and storing the bending dies on the drawer shelf, when a plurality of types of bending dies are stored and stored in the drawer shelf, the drawer to be used by pulling out the drawer shelf can be immediately obtained.

Further, according to the mold stocker according to the second aspect of the present invention, by making the legs of the gantry longer than the sliding range of the movable shelf, the bending stocker falls down when the drawer shelf is completely pulled out. Can be prevented, and can be stably installed even in a place where an anchor bolt is not struck.

[Brief description of the drawings]

FIG. 1 is a front view showing a first embodiment of the present invention.

FIG. 2 is a right side view showing the first embodiment of the present invention.

FIG. 3 is a top view showing the first embodiment of the present invention.

FIG. 4 is a perspective view showing a frame of the mold stocker according to the first embodiment of the present invention with a part of the frame being omitted;

FIG. 5 is a cross-sectional view illustrating the first embodiment of the present invention as viewed from the front.

FIG. 6 is a cross-sectional view of the first embodiment of the present invention as viewed from the right side.

FIG. 7 is a front view showing a hanging jig used for the mold stocker according to the first embodiment of the present invention.

FIG. 8 is a side view showing a hanging jig used for the mold stocker according to the first embodiment of the present invention.

FIG. 9 is a front view showing a hanging jig used for the mold stocker according to the first embodiment of the present invention.

FIG. 10 is a side view showing a hanging jig used for the mold stocker according to the first embodiment of the present invention.

FIG. 11 is a perspective view showing a conventional mold stocker.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Stand 2 Slide guide 3 Drawer shelf 4 Leg part 7 Safety fence 8 I-shaped steel rail 9 Manual chain block 10 Stopper 19 type stocker 20,30 Lifting jig 21,22,31 Bending type

Claims (2)

[Claims] 1. A mold stocker for storing and storing a mold for performing sheet metal bending, etc., a movable shelf for storing and storing the mold, a gantry for slidably holding the movable shelf, and the movable shelf. And a transfer device provided on an upper portion of the gantry so that the dies can be taken in and out of the movable shelf while the trolley is pulled out of the gantry. 2. The stocker according to claim 1, wherein the leg of the gantry is longer than a range in which the movable shelf slides with respect to the gantry.