JP3252528B2 - Method and apparatus for loading molded articles - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of loading a molded product, in which a continuous press working device such as a transfer press is used in a final step of a tandem press working device and a pressed perforated molded product is loaded on a pallet. With regard to the device, the loading process can be simplified and rationalized.

[0002]

2. Description of the Related Art Some molded products that are press-formed by a processing device such as a transfer press or a tandem press include:
Holes are often formed, and when a molded product is loaded on a pallet in the final step of a press line, holes formed in the molded product are used. For example, as a method of loading a product on a pallet using holes in the product, Japanese Utility Model Publication No. 1-387788 discloses a device for loading a product.

As shown in FIGS. 12 and 13, this molded article loading apparatus 1 is horizontally moved in the press line direction by a traveling carrier (not shown) behind a discharge conveyor 2 provided on the exit side of a press working apparatus. A swivel arm 5 is provided as a robot having a vacuum cup 4 that can move and adsorb the panel 3. In addition, a sub-hanger device 7 that is equipped with a chain conveyor (not shown) and is capable of moving the panel 3 forward and backward while supporting a hanger 6 that can sequentially feed the panel 3 and a hanger 8 also equipped with a chain conveyor is provided. There is provided a main hanger device 9 which is supported so as to be able to move up and down and can move back and forth in the press line direction. Further, a hanger portion 10 for receiving the panel 3 in which the holes of the panel 3 are fed into and supported by the hanger 8 of the main hanger device 9 in a skewered manner.
And a transport conveyor 12 for transporting the loading pallet 11 to the rear.

When a panel 3 as a molded product with holes is loaded on the pallet 11 using such a molded product loading apparatus 1, first, the panel discharged in a substantially horizontal state by the discharge conveyor 2. 3 is lifted by a panel lifter (not shown), and then sucked by the vacuum cup 4 of the swing arm 5, and in this state, the swing arm 5 is horizontally moved rearward by the traveling carrier.

Thereafter, the swing arm 5 is swung to turn the panel 3
Is turned into a substantially vertical state by changing the direction by 90 degrees, and is skewered by passing the hole of the panel 3 through the hanger 8 of the main hanger device 9 that has already been lowered, and the same operation is sequentially repeated to bring the hanger 8 into a substantially vertical state. The panel 3 is sent to the tip of the hanger 6.

The panel 3 sent to the tip of the hanger 6
Is automatically loaded into the back of the hanger 6 by the chain conveyor mounted on the hanger 6, and the panel 3
Is reached, the main hanger device 9 is moved backward, and the hanger 8 of the main hanger device 9 is inserted so that the panel 3 is inserted into the hanger portion 10 of the pallet 11 from the front.
And deliver the panel 3 by pulling it back.

When the transfer from the hanger 8 of the main hanger device 9 to the pallet 11 is completed, the hanger 8 of the main hanger device 9 is raised and moved forward, and the pallet 11 is moved backward by the conveyor 12.

On the other hand, the panel 3 discharged from the discharge conveyor 2 during this time is lowered by lowering the hanger 6 of the sub-hanger device 7 and temporarily loaded in a skewered shape, and the panel 3 is delivered to the pallet 11. After the empty main hanger device 9 is advanced, the hanger 9 is lowered and further advanced to the hanger 6 of the sub hanger device 7 to transfer the panel 3 from the hanger 6 of the sub hanger device 7 to the hanger 8 of the main hanger device 9. Thereafter, the loading operation is repeated by receiving the panel 3 directly by the hanger 8 of the main hanger device 9.

[0009]

In the conventional molded article loading apparatus 1 as described above, the main hanger apparatus 9 is connected to the panel 3.
Is moved rearward from the loading position of the main hanger device 9 to reload the pallet 11, so that the moving distance of the main hanger device 9 is increased, the moving process is complicated, and the time required for loading is increased.

Further, in the molded article loading apparatus 1, the panel 3 is temporarily transferred to the main hanger apparatus 9, and the panel 3 is further transferred to the hanger section 10 provided on the pallet 11, so that the number of times of transfer is reduced. There is also a problem that there are many chances of damaging the panel because it is twice.

The present invention has been made in view of the problems of the prior art, and has a short moving distance and can load a molded product having holes formed in a pallet in a simple moving process. It is intended to provide a method and an apparatus thereof.

[0012]

According to a first aspect of the present invention, there is provided a method for loading a molded article, comprising the steps of: forming a hole which is formed in a substantially horizontal state on a transfer conveyor and discharged; The perforated molded product is moved backward from the transfer conveyor by a robot to a substantially vertical state, and then the perforated molded product is loaded on the hanger moved by the hanger transport device at the loading position of the perforated molded product. When a predetermined number of these perforated molded articles are loaded, the hanger is moved to a predetermined position above the pallet to be mounted by the hanger transport device, the hanger is lowered by the hanger transport device, and the hanger is detachably mounted on the pallet. Thereby, the perforated molded product is loaded on a pallet.

According to a second aspect of the present invention, there is provided a method for loading a molded product, comprising: forming a perforated molded product which is press-formed, placed on a transfer conveyor in a substantially horizontal state, and discharged from the transfer conveyor by a robot. Moved rearward to a substantially vertical state, and then loaded the perforated molded product on the hanger raised by the hanger lifter at the loading position of the perforated molded product of the pallet conveyed in one direction by the pallet conveyor,
When a predetermined number of these perforated products are loaded, the hanger is lowered by a hanger lifter and mounted on a pallet, whereby the perforated products are loaded onto a pallet and discharged on a pallet conveyor. is there.

Further, according to a third aspect of the present invention, there is provided a molded article loading apparatus which is movably movable in the direction of the press line at a position rearward of a transfer conveyor for discharging the pressed molded article in the direction of the press line. A robot having a gripper for gripping a perforated molded product placed and conveyed on the transfer conveyor and rotating the perforated molded product from a substantially horizontal state to a substantially vertical state; A hanger transport device for loading a perforated molded product on a hanger and detachably mounting the hanger on a pallet, wherein the hanger transport device loads the perforated molded product on a hanger; A stand provided between the position and a position of a pallet to which the hanger is to be mounted, and a hanger support portion movably provided on the stand and supporting the hanger. It is characterized in.

According to a fourth aspect of the present invention, there is provided the molded article loading apparatus according to the third aspect, wherein the hanger supporter includes: a traveling body traveling on the gantry;
An elevating member slidably provided in the traveling body in a vertical direction,
A housing provided in the elevating member so as to be slidable in the vertical direction, a guide member extending horizontally outward from the vicinity of the lower end of the elevating member, and moving the housing up and down with the up and down movement of the elevating member; A lower end of the elevating member is connected to a supporting portion for supporting the hanger, and the supporting portion has one end connected to the elevating member, and a plurality of rod-shaped members rotatable about a horizontal axis. A body and a hook that is rotatably connected to the other end of each of these rods about a horizontal axis and that penetrates a side surface of the housing and supports the hanger from a side. When the member is slid downward, each hook is moved outward in the horizontal direction to open the hanger supported, while when the lifting member is slid upward, each hook is moved horizontally. Move inward Those characterized by comprising supporting the hanger.

Further, according to a fifth aspect of the present invention, there is provided a molded article loading apparatus according to the third aspect, further comprising:
In the hanger transport device, a hollow elevating member that can be moved up and down is penetrated and arranged at the center of the bogie frame that can be moved back and forth in the press line direction, and the hollow elevating member is longer than the hollow elevating member. The support rod whose length has been increased is vertically inserted through the lower end of the support rod, and a horizontal beam extending left and right in the press line direction is fixed to the lower end of the support rod. A pair of left and right hooks for gripping a hanger that is detachable from the vehicle are provided movably in the left and right direction, and the left and right hooks and the lower end of the hollow elevating member are connected via a link. It is characterized by having a configuration provided with a stopper for restricting the movement of the left and right hooks in the approaching direction to a predetermined position.

According to a sixth aspect of the present invention, there is provided a molded article loading apparatus for picking up a substantially horizontal perforated molded article on a press-formed transfer conveyor, changing its posture to a substantially vertical state, and perforating the molded article. A robot capable of moving to a loading position of a molded product, a pallet transfer device capable of loading a pallet having a detachable hanger into the loading position of the perforated molded product from one direction, and discharging the pallet forward. A hanger lifter that grips the hanger from the pallet conveyed to the loading position of the perforated molded article by the conveying device, rises to the loading height of the perforated molded article, and moves down the hanger after the perforated molded article is transferred; and It is characterized by consisting of.

[0018]

According to the method of loading a molded article according to the first aspect of the present invention, the perforated molded article is loaded on the hanger moved by the hanger transport device at the loading position of the perforated molded article. When a predetermined number of molded articles are loaded, the hanger is moved to a predetermined position on the pallet to be mounted by the hanger transport device, the hanger is lowered by the hanger transport device, and the hanger is removably mounted on the pallet. Can be mounted on the pallet even if the position is separated from the loading position of the perforated molded product. Further, it is possible to reduce the length of the process until the hanger is mounted on the pallet and the time required for the process. In addition, since there is little reloading of the perforated molded product, the perforated molded product is less likely to be damaged by reloading.

According to the method of loading a molded product according to the second aspect of the present invention, the pallet provided with the hanger is transported in one direction by the pallet conveyor, and is transported to the loading position of the perforated molded product. The hangers are lifted from a pallet to the loading height by a hanger lifter, and a perforated molded product is loaded on the hanger by a robot.When a predetermined number of these perforated molded products are loaded, the hanger is lowered by the hanger lifter together with the hanger. The pallet is mounted on a pallet, and the pallet is sent in one direction by a pallet conveyor. In addition to being able to be loaded on the molded product, the molded product with a single hole is prevented from being damaged. Further, the pallets are transported in one direction so that the loading of the empty pallets and the loading of the loaded pallets do not interfere with each other, so that the pallets can be changed in a short time.

Further, according to the molded article loading device of the third aspect of the present invention, the transfer device is provided with a loading position for loading a perforated molded product on a hanger, and a position of a pallet to which the hanger is to be mounted. When the pallet is located away from the loading position of the perforated molded product by being configured with a base provided between the base and a hanger support member movably provided on the base and supporting the hanger In this case, the hanger supporting portion can be run on the gantry, and the hanger loaded with the perforated molded product can be transported to a predetermined position and quickly and reliably mounted on the pallet to be mounted.
Further, it is possible to reduce the length of the process until the hanger is mounted on the pallet and the time required for the process. In addition, since the perforated molded product needs to be re-transferred only once, the perforated molded product is less likely to be damaged by the transshipment.

Further, according to the molded article loading apparatus of the fourth aspect of the present invention, when the lifting member is slid downward,
Each hook moves outward from the horizontal and disengages from the hanger supported by these hooks. When the elevating member is slid upward, each hook moves inward in the horizontal direction, and these hooks support the hanger.

This eliminates the malfunction of opening and closing the hook and raising and lowering the hanger, and can further reduce the length of the process and the time required for mounting the hanger on the pallet.

Further, according to the molded article loading apparatus according to the fifth aspect of the present invention, after the horizontal beam with the hook opened is positioned on the loading pallet, the hollow lifting member is raised. By closing the left and right hooks via the displacement of the link, the hanger on the pallet is gripped. Further, when the hollow elevating member is raised, after the gripping force of the hook is held, the hook is raised while holding the hanger via the raising of the horizontal beam. When the bogie frame is moved forward to receive the molded product on the hanger, the bogie frame is retracted to be positioned above the pallet, and then, when the hook is lowered and opened, the molded product is loaded on the hanger and the pallet.

Further, according to the molded article loading apparatus of the present invention, a pallet having a hanger removably mounted thereon is placed on a pallet conveying apparatus provided downstream of the press line. After the pallet is conveyed to a position below the hanger lifter provided at the loading position above the pallet, the hanger on the pallet is lifted by the hanger lifter so that the pallet can be loaded.

On the other hand, the press-formed hole-formed product is changed in posture from a substantially horizontal state to a substantially vertical state by a robot, and a predetermined number of hole-formed products are transferred to the hanger raised by the hanger lifter. Is lowered on the pallet, and the hanger lifter is raised and evacuated.

Thereafter, the pallet on which the work is mounted is carried downstream by the pallet transport device, and at the same time, the pallet on which an empty hanger is detachably mounted is moved from the upstream to the loading position, and the hanger is lowered again by the hanger lifter. , And the work loading step is sequentially repeated.

Thus, the hanger can be attached and detached only by moving up and down on the pallet, so that the time required for the work loading step can be reduced, the number of times of transferring the work can be reduced to only one, and at the same time the work can be transferred from upstream to downstream. The pallets are transferred in one direction, such as in one direction, so that the pallets can be replaced in a short time.

[0028]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below in detail with reference to the drawings. FIG. 1 is a side view of an embodiment of a molded article loading apparatus according to the present invention. This molded article loading device 21
Is provided with a robot 22 and a transfer device 23 at a position behind the discharge conveyor 2 provided on the output side of the press working device and discharging the panel 3.

The robot 22 is provided on a pedestal 25 with a rail 24 installed at a position behind the discharge conveyor 2, grips the panel 3 to be conveyed, and rotates the panel 3 from a substantially horizontal state to a vertical state. The pedestal 25
A traveling body 26 supported movably in the front-rear direction (press line direction) on a rail 24 of
7 is provided, and the end is composed of an arm 29 mounted on the traveling body 26 so as to be rotatable up and down via a horizontal shaft 28.

The transport device 23 transfers the panel 3 to the hanger 31
The hanger 31 is transported from a loading position A where the hangers 31 are loaded to a pallet position B where the hangers 31 are to be mounted.
A gantry 33 having a rail 32 provided between a loading position A and a pallet position B;
A hanger support portion 34 is provided on the third rail 32 so as to be movable in the front-rear direction (press line direction) and supports the hanger 31.

As shown in FIG. 2, the hanger 31 is mounted on the pallet 11 and has a substantially U-shaped mounting portion 37, and is provided at the center of the mounting portion 37 and bent into an L-shape. The skewer 38 has a distal end extending substantially in the horizontal direction.

As shown in FIGS. 1 and 3, the hanger support portion 34 includes a traveling body 41 traveling on rails 32 of a gantry 33, and a plurality of lifting / lowering members provided on the traveling body 41 so as to be vertically slidable. The members 42, 42 and the lifting members 42, 4
2, a housing 43 slidably provided in a vertical direction;
The housing 4 extends in the horizontal direction from near the lower end of the elevating member 42 and moves up and down of the elevating member 42.
It comprises a guide plate (guide member) 44 for moving the 3 up and down, and a support portion 45 connected to the lower end of the elevating member 42 and supporting the hanger 31.

The supporting portion 45 has one end connected to the elevating member 42 and a pair of rods 51, 51 which are rotatable about a horizontal axis.
Hooks 52 are rotatably connected to the other end of each of the first members 1 about a horizontal axis, and penetrate the side surfaces of the housing 43 to support the hanger 31 from the side.

Next, a method of loading the panel 3 on the pallet 11 using the molded article loading device 21 will be described. First, the hanger support portion 34 supporting the hanger 31 is stopped at the loading position A in advance, and the robot 22 is stopped.
Is moved to the front along the rail 24, and the panel 3, which has been discharged in a substantially horizontal state by the discharge conveyor 2, is gripped by the molded article gripping tool 27 provided at the end of the arm 29 of the robot 22.

Next, after the robot 22 is moved backward along the rail 24, the arm 29 is rotated 90 degrees vertically downward from a substantially horizontal state as shown by a two-dot chain line to thereby bring the panel 3 into a substantially horizontal state. And the hanger 31 stopped at the loading position A is received by the ends of the skewer portions 38, 38.

The panel 3 is connected to the skewer portions 38, 38 of the hanger 31.
When the robot has been received by the tip of
Is moved to a horizontal state, the robot 22 is moved forward along the rail 24, and is returned to grip the next panel 3. During this time, the panel 3 received on the tips of the skewers 38, 38 of the hanger 31 is pushed into the back of the skewers 38, 38 and loaded by a shift device (not shown).

On the other hand, the robot 2 holding the next panel 3
2 moves rearward along the rail 24 and turns the arm 29 vertically downward by 90 degrees to bring the panel 3 to a vertical state,
The panels 3 are sequentially received by the skewer portions 38 of the hanger 31.

When a predetermined number of panels 3 are loaded on the hanger 31 in this manner, the hanger support 34 supporting the hanger 31 is moved along the rail 32 of the gantry 33 to the position B of the pallet 11. The hanger 31 is moved upward and then the lifting member 42 is slid downward to removably mount the hanger 31 on the pallet 11 placed on the conveyor 12.

Here, the lifting member 42 is slid to a predetermined position below to lower one end of each of the plurality of rods 51, 51 connected to the lower end of the lifting member 42. The other end of each of 51, 51 is moved outward in the horizontal direction. At this time, the hooks 52 connected to the other ends move horizontally outward with the movement of the other ends, and the hooks 52 are separated from each other outward in the horizontal direction. The hooks 52 are released from the hanger 31 to open the hanger 31. The pallet 11 on which the hanger 31 is placed is
It is sent to the next step by the conveyor 12.

The hanger support 3 with the hanger 31 opened
4 returns to the loading position A and stops at the position where the panel 3 should be received after supporting the hanger 31 again.

Here, the lifting member 42 is slid to a predetermined lower position to lower one end of each of the plurality of rods 51, 51 connected to the lower end of the lifting member 42. The other end of each of 51, 51 is moved outward in the horizontal direction. At this time, the hook 52 connected to each of these other ends moves outward in the horizontal direction along with the movement of the other ends, and as a whole spreads outward in the horizontal direction. 31. Next, the lifting member 42 is slid to an upper predetermined position to raise one end of each of the plurality of rods 51, 51 connected to the lower end of the lifting member 42, and the other end of each of these rods is raised. Part is moved inward in the horizontal direction.
At this time, the hook 52 connected to each of these other ends moves inward in the horizontal direction along with the movement of the other ends, and contracts inward in the horizontal direction as a whole. 31 will be supported from the side.
Further, when the elevating member 42 is slid to an upper predetermined position, the guide member 44 rises with the movement of the elevating member 42, and the housing 43 rises to the predetermined position with the movement of the guide member 44. Then, hanger 31 waits in a state where panel 3 can be received.

By repeating the above operation, a predetermined number of panels 3 can be loaded on the hanger 31, the hanger 31 can be placed on the pallet 11 placed at a predetermined position, and sequentially sent to the next step.

As described above, according to the method of loading the panels 3 on the pallet 11 according to this embodiment, a predetermined number of panels 3 are loaded on the hanger 31 stopped at the loading position A, and the hanger 31 is transported by the transport device 34. Since the hanger 31 is moved to a predetermined position on the pallet 11 to be mounted and the hanger 31 is removably mounted on the pallet 11, even if the position B of the pallet 11 is separated from the loading position A, the panel 3 remains Put the loaded hanger 31 on the pallet 11
Can be attached to Further, it is possible to reduce the length of the process until the hanger 3 is mounted on the pallet 11 and the time required for the process. In addition, since there is little reloading of the panel 3, the panel 3 is hardly damaged by the reloading.

Further, according to the molded article loading apparatus 21 of this embodiment, the transport apparatus 23 is provided with a rack 33 with a rail 32 provided between a loading position A and a pallet position B, and a rack 33. On the rail 32 in the front-rear direction (press line direction)
And the hanger support portion 34 movably provided on the pallet 11, so that the position of the pallet 11 is
The hanger 3 on which the panel 3 is loaded by moving the hanger support portion 34 on the gantry 33.
1 can be conveyed to a predetermined position and quickly and reliably mounted on the pallet 11 to be mounted. Further, the length of the process until the hanger 31 is mounted on the pallet 11 and the time required for the process can be reduced. Also, since the panel 3 needs to be re-transferred only once, the panel 3 is unlikely to be damaged by the trans-position.

Further, the hanger support portion 34 is
A plurality of elevating members 42, 42, a housing 43,
A guide plate (guide member) 44 and a support portion 45;
Since the supporting portion 45 is constituted by a pair of rods 51, 51 and a hook 52 rotatably connected to the other end of each of the rods 51, 51, the hook 52 is provided.
Malfunction of opening / closing and lifting / lowering of the hanger 31 is eliminated,
The length of the process until the hanger 31 is mounted on the pallet 11 and the time required for the process can be further reduced.

Next, another embodiment of the present invention will be described with reference to the drawings. (A) (b) (c) of FIGS.
FIG. 1 shows an embodiment of the present invention. In this molded article loading apparatus, a panel 3 as a molded article sequentially fed to a hanger by a turning arm 6 and a chain conveyor (not shown) in FIGS. The structure is such that the hangers are suspended from above on the loading pallet 11 on the conveyor 12 so that the hangers can be loaded.

In the molded article loading apparatus 100, a bogie frame 112 is provided which can be moved in the front-rear direction (arrow X direction) along the rail R, and a rack is provided at the center of the bogie frame 112 in the longitudinal direction of the outer surface. A hollow elevating member 114 in the form of a square pipe engraved with 113 is disposed so as to penetrate movably in the up-down direction.
A drive pinion 115 is attached to the rack 113 on the upper surface side of the drive pinion 115.
The hollow lifting member 114 is raised and lowered by rotation of the drive pinion 115.

A support rod 117 having a required length longer than that of the hollow elevating member 114 and having a nut 116 screwed to the upper end thereof is movably inserted into the hollow elevating member 114 so as to be movable. A horizontal beam 118 extending in the left-right direction is attached to the lower end of the.

Further, a guide rod 120 having a stopper 119 which can be adjusted in the height direction at the upper end thereof is movably penetrated in the right and left required positions of the bogie frame 112 so as to be movable in the vertical direction. The horizontal beam 118 is fixed to the front and rear ends of the projecting members 118a attached to the left and right ends of the beam 118 so that the horizontal beam 118 can be moved up and down integrally with the support rod 117 and the guide rod 120.

Further, a pair of left and right hooks 121 are suspended and supported at the left and right positions of the horizontal beam 118 so as to be movable in the left and right directions, and between the upper end of each hook 121 and the lower end of the hollow elevating member 114. The link 122 is connected with a pin to move the hollow elevating member 114 up and down.
The left and right hooks 121 are made to approach / separate (open / close) by transmitting them to the hooks 121 through the hook 2, and the hanger 123 between the hooks 121 is gripped by the approach force of the left and right hooks 121.

When the hanger 123 is gripped by the hook 121, the upper end of the hollow elevating member 114 is brought into contact with the nut 116 of the support rod 117.
Sixteen screwing positions are set. 129 is the rail 130
Shows a traveling carrier of the revolving arm 5 capable of traveling in the front-rear direction along the arrow.

The hanger 123 is used for the loading pallet 11
Can be detached from above. Therefore, in the present invention, the loading pallet 11 and the hanger 123
It is configured as shown in FIG. That is, the loading pallet 11 has a rectangular bottom frame 124 and columns 125 standing upright at four corners of the bottom frame 124. Further, the hanger 123 includes left and right support beams 126 that are detachably mounted in the vertical direction between the upper ends of the columns 125 positioned in the front-rear direction (X direction) of the loading pallet 11. The connecting beam 127 connects one end of the supporting beam 126 and a hanger member 128 cantilevered by the connecting beam 127 in parallel with the supporting beam 126.

Next, loading of the panel 3 by the molded article loading apparatus 100 configured as described above will be described. now,
As shown in FIG. 12 and FIG. 13, when loading the panel 3 pressed in the final part of the press working apparatus on a hanger, first open the left and right hooks 121 as shown in FIG. In this state, the entire apparatus is positioned by moving the bogie frame 112 at a position on the loading pallet 11 that has been loaded into the loading position on the conveyor 12. At this time, the horizontal beam 118 is at the lowest position held by the stopper 119 of the guide rod 120, and the height position of the hook 121 is set so as to correspond to the hanger 123 on the pallet 11.

Next, the rack 113 of the hollow elevating member 114
By rotating the drive pinion 115 meshing with the above in a predetermined direction, the hollow lifting member 114 is raised and lowered. In this case, when the hollow elevating member 114 is raised, each link 12 connected to the lower end of the hollow elevating member 114 by a pin is connected.
Since one end side of the link 2 is raised, the right and left hooks 121 connected to the other end of each link 122 by pins are moved in the direction approaching each other as shown in FIG. As a result, the left and right ends of the hanger 123, that is, the left and right support beams 126 are gripped by the left and right hooks 121. At this time, the upper end of the hollow elevating member 114 abuts on the nut 116 at the upper end of the support rod 117, and the ascending operation of the hollow elevating member 114 with respect to the support rod 117 is restricted. It is kept constant so that the gripping force is not applied more than necessary.

Further, when the lifting operation of the hollow lifting member 114 is continued, the lifting force of the hollow lifting member 114 is applied to the horizontal beam 118 from the nut 116 via the support rod 117.
Therefore, as shown in FIG. 7C, the horizontal beam 118 is displaced upward while being guided by the guide rod 120. For this reason, the hanger 123 gripped by the hook 121 is lifted and separated from the upper end of the pallet 11.

Therefore, the hanger 123 is connected to the hook 12
By moving the bogie frame 112 linearly to the position of the turning arm 5 as shown in FIG. 5 while maintaining the state of being gripped by 1, the panels 3 are sequentially skewed on the hanger 123 by the turning arm 5 and the chain conveyor. Sent in. When the specified number of panels 3 are fed into the hanger 123, the carriage frame 112 is moved rearward to be positioned on the waiting pallet 11, and then the above-mentioned FIG.
(B) The panel 3 is loaded on the pallet 11 in a process opposite to the process shown in (c). That is, as shown in FIG. 7C, when the hanger 123 in which the panel 3 is skewered is positioned above the pallet 11, as shown in FIG.
As shown in the figure, the horizontal beam 118 is lowered by the lowering operation of the hollow lifting member 114 to move the hanger 123 to the pallet 11.
Then, as shown in FIG. 7A, the left and right hooks 121 are moved by the further lowering operation of the hollow elevating member 114.
Is opened to release the grip of the hanger 123. Thereby, the panel 3 can be loaded on the pallet 11 with the hanger 123.

In the above description, the loading of the panel 3 onto the pallet 11 includes the linear movement of the bogie frame 112 and
Since the hook 121 can be moved up and down by the horizontal beam 118 and the hook 121 can be opened and closed by the link 122, the moving process is simple. , And there is no need to move to the rear of the pallet 11 as in the conventional method, so that the moving distance can be reduced.

As the loading pallet 11, FIG.
In addition to the structure shown in FIG. 7A, for example, as shown in FIG. 7B, a structure in which Y-shaped columns 125a are erected on both sides of a bottom frame 124 can be adopted. In the embodiment, the hook 121 is used.
Although the nut 116 is screwed onto the upper end of the support rod 117 as a stopper for restricting the movement in the closing direction, a stopper for restricting the movement of the hook 121 is provided at a predetermined position of the horizontal beam 118. And a stopper 119 for regulating the lower limit position of the hook 121.
5 may be provided at the upper end of the hollow elevating member 114, and a plurality of pairs of left and right hooks 121 may be provided in the front-rear direction.
In the above, if the pallet 11 is transported in advance to a position near the left end of the conveyor 12, various changes can be made such that the amount of movement of the bogie frame 112 in the front-rear direction can be reduced. is there.

Next, an embodiment of a molded article loading apparatus according to claim 6 of the present invention will be described with reference to the drawings. 9 and 10 are a side view and a front view, respectively, of an embodiment of the molded article loading apparatus according to the present invention.

This apparatus 200 for loading molded articles comprises a robot 210 for taking out a molded perforated panel 3 from a press line, changing its posture, and loading it, and a pallet 11 having a hanger 123 for loading the panel 3. The pallet conveyance device 220 that conveys in one direction and the hanger 123 that lifts the hanger 123 from the pallet 11 and holds it at the panel loading height C, and that lowers the loaded hanger 123 and attaches it to the pallet 11. It is configured.

The pallet 11 of the molded article loading device 200
Pallet transfer device 220 for transferring the pallets 11 in the same direction as the press line is arranged downstream of the press line in parallel with the line direction. After the panels 3 are loaded on the pallet 11 via the hanger 123, the panels 3 are directly sent to the downstream side of the press line.

By doing so, the empty pallet 11a
The pallet 11 loaded with the pallet 11 is carried in / out without interference, and the time required to replace the pallets 11a and 11 can be minimized.

The loading position A of the panel 3 is provided in the middle of the transfer line by the pallet transfer device 220, and the loading position A of the panel 3 is
And the position for attaching and detaching the hanger 123.

A hanger lifter 230 for raising and lowering a hanger 123 detachably mounted on the pallet 3 is provided above the loading position A of the panel of the transport line.

The hanger lifter 230 has substantially the same structure as that of the above-described molded article loading apparatus 100, but the movable range of the bogie frame 112 which can be moved along the rail R provided in the line direction. Is a small range that can cope with an error when the pallet 3 stops at the loading position A.

Each of a pair of left and right hooks 231 for holding the hanger 123 is supported by the horizontal beam 118 at the rear end in the loading direction of the panel 3 in a cantilever state, and has an L-shape when viewed from the side. Is a different structure. That is, while the horizontal beam 118 has been located at the center in the front-rear direction of the hanger 123 on which the panel 3 is loaded, in the present invention, the horizontal beam 118 is located at the rear end of the hanger 123 on which the panel 3 is loaded. In this state, a hook 231 is attached so that the hanger 123 on the pallet 11 can be attached and detached. The horizontal beam 118 is not limited to a rectangular cross section, and two or more horizontal beams may be used.

The hook 2 of the hanger lifter 230
The mechanism for opening / closing the hanger 123 to open and close the hanger 123 and for raising and lowering the hanger 123 between the pallet 11 on the pallet conveying device 220 and the loading height C of the panel 3 are the same as those in the previously described embodiment. Therefore, the description is omitted.

By using such a hanger lifter 230, when loading the panel 3 by the robot 210, the panel 3 is loaded to the back of the hanger 123 without interference between the robot 210 and the horizontal beam 118 supporting the hook 231. Can be included.

The hanger lifter 230 includes
As shown in a side view in FIG. 11, the horizontal beam 118 is disposed above and the hook 231 is formed to be long in the vertical direction, and the horizontal beam 118 supporting the hook 231 and the hanger 12 are formed.
A large space may be secured between the hook 231 and the tip of the hook 231 to prevent interference with the robot 210. In this case, the horizontal beam 118 is arranged at the center of the hook 231. You may do it.

The robot 210 which takes out the perforated panel 3 formed from the press line, changes the posture, and loads the hanger 123 held at the loading height C is also the same as the swivel arm 5 of the above-described embodiment. Because it is a structure,
The description is omitted.

Next, a description will be given of the operation of the molded article loading apparatus 200 configured as described above and a molded article loading method.

First, the empty pallet 11 a on which the hanger 123 is removably mounted is removed by the pallet conveying device 220 provided downstream of the press line of the molded product loading device 200 to remove the empty pallet 11 a from the lower panel 3 of the hanger lifter 230.
To the loading position A.

Next, the hanger 123 on the pallet 11
Is raised to the loading height C by the hanger lifter 230 to make the loading possible. This hanger lifter 2
The lifting of the hanger 123 from the pallet 11 by 30 is the same as in the above-described embodiment. For example, the hook 231 opens along the horizontal beam 118 as the hollow lifting member 114 moves down, and the pallet 1
When the hollow elevating member 114 is lifted, the hook 231 is closed and the hanger 123 is gripped. Is carried out to the loading height C. When the hanger 123 is gripped and lifted by the hanger lifter 230, the horizontal beam 118 of the hanger lifter 230 is positioned downstream of the hanger 123 in the line direction.
Or the horizontal beam 118 is located substantially above the hanger 123.

On the other hand, a press-formed perforated panel 3
Is discharged in a substantially horizontal state by the discharge conveyor 2 of the press line, and is picked up by the robot 210.
Carrying downstream in the line direction, turning from a substantially horizontal state to a substantially vertical state, changing the posture, and transferring the hanger 123 raised by the hanger lifter 230 by inserting the hanger 123 using the holes formed in the panel 3. repeat.
When the robot 3 transfers the panel 3, the horizontal beam 118 of the hanger lifter 230 is located on the downstream side in the line direction, or is located considerably above the loading height C position of the panel 3. Even if the panel 3 is moved to the downstream side in the line direction while holding the panel 3, the panel 3 can be directly transferred to the hanger 123 without interfering with the hanger lifter 230.

After a predetermined number of panels 3 are transferred to the hanger 123 in a skewered manner, the hanger 123 is lowered and placed on the pallet 11a.
Evacuate by raising 0, etc. The mounting of the hanger 123 on which the panel 3 is loaded onto the pallet 11 is stopped with the pallet 11 raised with the hanger 123 raised. Will be installed.

Thereafter, the pallet 11 on which the panel 3 is mounted is conveyed downstream by the pallet conveying device 220, and at the same time, the pallet 11a on which the empty hanger 123 is detachably mounted is moved from the upstream to the loading position. The hanger 123 is raised again by lowering the hanger lifter 230, and the loading process of the panel 3 is sequentially repeated.

As a result, the hanger 123 is mounted on the pallet 1
It can be attached and detached only by ascending and descending without moving laterally with respect to 1, so that the time required for the loading process of the panel 3 can be shortened and the number of times of transferring the panel 3 can be reduced to only one.

Since the pallets 11a and 11 are conveyed in one direction, such as from upstream to downstream, by the pallet conveying device 220, the pallets 11a and 11 can be replaced in a short time.

Further, as shown in FIG. 9, the hook 231 for holding the hanger of the hanger lifter 230 is supported at the rear end in the loading direction of the hanger lifter 230 to form an L-shape, or is supported at the upper center in FIG. As shown in the figure, even if the robot 210 that loads the perforated panel 3 by extending the space between the hanger 123 supported by the hook 231 and the horizontal beam 118 is loaded to the back of the hanger 123, the loading can be performed without interference.

Although the panels 3 discharged from the press line are picked up once by the robot 210 and transferred to the hanger 123, the panels 3 discharged from the press line are stacked and stacked. The panel 3 may be gripped by the robot 210 and mounted on the hanger 123. In this case, the number of times the robot 210 moves can be reduced, and the moving time of the robot 210 can be easily secured. .

The hanger lifter may have the same configuration as the hanger support portion 34 of the transfer device 23 described in the first embodiment of the present invention.

Further, the present invention is not limited to the above embodiments, but may be modified to the constituent elements of the claims without departing from the gist of the present invention.

[0083]

According to the method for loading a molded article according to the first aspect of the present invention, as described above in detail together with the embodiment, the holed molded article is moved by the hanger transport device at the loading position. When a predetermined number of these perforated products are loaded on the hanger, the hanger is moved to a predetermined position on a pallet to be mounted by the hanger transport device, and the hanger is lowered by the hanger transport device. By mounting the hanger on the pallet in a detachable manner, the hanger loaded with the perforated product is mounted on the pallet even if the position of the pallet is far from the loading position of the perforated product. be able to. Further, it is possible to reduce the length of the process until the hanger is mounted on the pallet and the time required for the process. In addition, since there is little reloading of the perforated molded product, the perforated molded product is less likely to be damaged by reloading.

According to the method for loading a molded product according to the second aspect of the present invention, the pallet provided with the hanger is transported in one direction by the pallet conveyor, and is transported to the loading position of the perforated molded product. The hangers are lifted from a pallet to the loading height by a hanger lifter, and a perforated molded product is loaded on the hanger by a robot.When a predetermined number of these perforated molded products are loaded, the hanger is lowered by the hanger lifter together with the hanger. The pallet is mounted on the pallet and sent out in one direction by the pallet conveyor, so that the robot can be loaded onto the hanger only by raising and lowering the hanger, without having to transfer it, reducing the moving distance, and in a short time. And a molded product with a single hole can be prevented from being damaged. Further, the pallets are transported in one direction so that the loading of empty pallets and the loading of loaded pallets do not interfere with each other, and pallet changing can be performed in a short time.

Further, according to the molded article loading apparatus according to the third aspect of the present invention, the transfer device is provided with a loading position for loading a perforated molded article on a hanger, and a position of a pallet to which the hanger is to be mounted. And a hanger support member movably provided on the mount and supporting the hanger, so that the position of the pallet is away from the loading position of the perforated molded product. Even in this case, the hanger supporting portion can be run on the gantry, and the hanger loaded with the perforated molded product can be transported to a predetermined position and quickly and reliably mounted on the pallet to be mounted. Also,
The length of the process until the hanger is mounted on the pallet and the time required for the process can be reduced. In addition, since the perforated molded product needs to be re-transferred only once, the perforated molded product is less likely to be damaged by the transshipment.

According to the fourth aspect of the present invention, when the lifting member is slid downward,
Each hook moves outward from the horizontal and disengages from the hanger supported by these hooks. When the elevating member is slid upward, each hook moves inward in the horizontal direction, and these hooks support the hanger.

This eliminates erroneous operations of opening and closing the hook and lifting and lowering the hanger, and can further reduce the length of the process and the time required for mounting the hanger on the pallet.

Further, according to the molded article loading apparatus of the fifth aspect of the present invention, after the horizontal beam with the hook opened is positioned on the loading pallet, the hollow lifting member is raised. By closing the left and right hooks via the displacement of the link, the hanger on the pallet is gripped. Further, when the hollow elevating member is raised, after the gripping force of the hook is held, the hook is raised while holding the hanger via the raising of the horizontal beam. When the bogie frame is moved forward to receive the molded product on the hanger, the bogie frame is retracted to be positioned above the pallet, and then, when the hook is lowered and opened, the molded product is loaded on the hanger and the pallet.

Further, according to the molded article loading apparatus of the present invention, a pallet having a hanger detachably mounted is placed on a pallet transport apparatus provided downstream of the press line, and the pallet transport apparatus is provided. After the pallet is conveyed to a position below the hanger lifter provided at the loading position above the pallet, the hanger on the pallet is lifted by the hanger lifter so that the pallet can be loaded.

On the other hand, the posture of the press-formed hole-formed product is changed by a robot from a substantially horizontal state to a substantially vertical state, and a predetermined number of the hole-formed products are transferred to the hanger lifted by the hanger lifter. Is lowered on the pallet, and the hanger lifter is raised and evacuated.

Thereafter, the pallet on which the work is mounted is carried out downstream by the pallet transfer device, and at the same time, the pallet on which an empty hanger is detachably mounted is moved from the upstream to the loading position, and the hanger is lowered again by lowering the hanger lifter. , And the work loading step is sequentially repeated.

Thus, the hanger can be attached and detached only by moving up and down on the pallet, so that the time required for the work loading step can be shortened, the number of times of transfer of the work can be reduced to only one, and at the same time the work can be transferred from upstream to downstream. The pallet can be exchanged in a short time by conveying the pallet in one direction.

The hook for holding the hanger of the hanger lifter in the molded article loading apparatus according to the sixth aspect is supported at the rear end in the loading direction of the hanger lifter to form an L-shape, or is supported at the upper center to be up and down. Since the space is formed in the space, even if the robot for loading the perforated molded product is loaded to the back of the hanger, it can be loaded without interference.

[Brief description of the drawings]

FIG. 1 is a side view showing a molded article loading apparatus according to an embodiment of the present invention.

FIG. 2 is a perspective view showing an example of a hanger used in the molded article loading device of the present invention.

FIG. 3 is a front view showing a hanger support portion of the molded article loading device of the present invention.

FIG. 4 is a state diagram showing an operation of a hanger support portion of the molded article loading device of the present invention.

FIG. 5 is a side view showing another embodiment of the molded article loading apparatus of the present invention.

FIG. 6 is a perspective view showing a part II of FIG. 5 in an enlarged manner.

FIG. 7 is a view taken in the direction of the arrow III in FIG. 5;
(C) is a schematic diagram showing different operating states.

FIG. 8 is a perspective view showing a relationship between a loading pallet and a hanger.

FIG. 9 is a side view showing still another embodiment of the molded article loading apparatus of the present invention.

FIG. 10 is a front view showing still another embodiment of the molded article loading apparatus of the present invention.

FIG. 11 is a side view showing another embodiment of the molded article loading apparatus of the present invention.

FIG. 12 is a side view showing a conventional molded article loading apparatus.

FIG. 13 is a state diagram showing the operation of a conventional molded article loading apparatus.

[Explanation of symbols]

 Reference Signs List 21 Molded product loading device 2 Discharge conveyor 3 Panel (perforated molded product) 11 Pallet 12 Hanger 22 Robot 23 Transport device 24 Rail 25 Mount 26 Running body 27 Mold gripper 28 Horizontal axis 29 Arm 31 Hanger 32 Rail 33 Mount 34 Hanger support part 37 Placement part 38 Skewer part 41 Running body 42 Elevating member 43 Housing 44 Guide plate (Guide member) 45 Support part 51 Bar-shaped body 52 Hook 100 Molded product loading device 112 Dolly frame 114 Hollow elevating member 116 Nut (stopper) 117) Support rod 118 Horizontal beam 121 Hook 122 Link 123 Hanger 200 Mold loading device 210 Robot 220 Pallet transport device 230 Hanger lifter 231 Hook A Panel loading position B Pallet position C Panel loading Depth height F Press line work flow direction X Front-back direction

──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Yoshio Takahashi 1st Shin-Nakahara-cho, Isogo-ku, Yokohama-shi, Kanagawa Pref. Ishikawajima-Harima Heavy Industries Co., Ltd. Inside the Yokohama No. 2 Factory (56) References ) Fully open sho 59-50923 (JP, U) Fully open sho 59-159636 (JP, U) Fully open sho 60-80891 (JP, U) Fully open sho 63-172589 (JP, U) (58) Field (Int.Cl. ⁷ , DB name) B65G 47/90 B65G 47/91

Claims (6)

(57) [Claims] 1. A press-formed, perforated molded product placed in a substantially horizontal state on a transfer conveyor and discharged is moved rearward from above the transfer conveyor by a robot to a substantially vertical state. The perforated molded product is loaded on the hanger moved by the hanger transport device at the loading position of the perforated molded product, and when a predetermined number of these perforated molded products are loaded, the hanger is mounted above the pallet to be mounted by the hanger transport device. A method for loading a molded product, wherein the molded product with holes is loaded on a pallet by moving the hanger to a predetermined position, lowering the hanger by a hanger transport device, and detachably mounting the hanger on the pallet. 2. A press-formed, perforated molded product placed in a substantially horizontal state on a transfer conveyor and discharged is moved rearward from above the transfer conveyor by a robot to a substantially vertical state. At the loading position of the perforated molded product of the pallet conveyed in one direction, the perforated molded product is loaded on the hanger lifted by the hanger lifter, and when a predetermined number of these perforated molded products are loaded, the hanger is hung. A method for loading a molded article, comprising: loading the perforated molded article on a pallet by discharging the pierced molded article onto a pallet by being lowered by a lifter. 3. A press-formed perforated molded product is provided at a position rearward of a transfer conveyor for discharging in the press line direction so as to be movable in the press line direction, and is placed on the transfer conveyor and conveyed. A robot having a gripper for gripping a perforated molded product and rotating the perforated molded product from a substantially horizontal state to a substantially vertical state, loading the vertically perforated molded product on a hanger, and attaching / detaching the hanger to / from a pallet. In a molded article loading device comprising a hanger transport device that can be freely mounted, the hanger transport device is provided between a loading position where a perforated molded product is loaded on the hanger and a pallet position where the hanger is to be mounted. And a hanger support portion movably provided on the gantry and supporting the hanger. 4. The molded article loading apparatus according to claim 3, wherein the hanger supporter includes: a traveling body traveling on the gantry; and an elevating member provided on the traveling body so as to be slidable in a vertical direction; A housing provided in the elevating member so as to be slidable in the vertical direction, a guide member extending horizontally outward from the vicinity of the lower end of the elevating member, and moving the housing up and down with the up and down movement of the elevating member; A lower end of the elevating member is connected to a supporting portion for supporting the hanger, and the supporting portion has one end connected to the elevating member, and a plurality of rod-shaped members rotatable about a horizontal axis. A body and a hook that is rotatably connected to the other end of each of these rods about a horizontal axis and that penetrates a side surface of the housing and supports the hanger from a side. Slide the member down In this state, each hook is moved outward in the horizontal direction to open the hanger supported, while in the state in which the lifting member is slid upward, each hook is moved inward in the horizontal direction and the hanger is moved. A molded article loading apparatus characterized by supporting the above. 5. The molded product loading device according to claim 3, wherein the hanger transport device has a hollow lifting member movable up and down penetrating a center portion of a bogie frame movable back and forth in a press line direction. In the hollow elevating member, a supporting rod having a length longer than that of the hollow elevating member is inserted so as to be able to ascend and descend freely, and a horizontal beam extending right and left in the press line direction is fixedly provided at a lower end of the supporting rod. At the left and right positions of the horizontal beam, a pair of left and right hooks for holding a hanger that is detachably mounted on the pallet for loading from above is provided movably in the left and right direction, and The lower end of the hollow elevating member is connected to the lower end via a link, and a stopper is provided for restricting movement of the left and right hooks in the approaching direction to a predetermined position. Molded product loading device. 6. A robot capable of picking up a substantially horizontal perforated product on a press-formed transfer conveyor, changing its posture to a substantially vertical state, and moving to a loading position of the perforated product, and a detachable robot. Pallet carrying a pallet provided with a simple hanger to the loading position of the perforated molded article from one direction and then discharging the pallet forward, and a pallet conveyed to the loading position of the perforated molded article by the pallet transporting apparatus And a hanger lifter which lifts the hanger from above to the loading height of the perforated molded product and moves down the hanger after the perforated molded product is transferred.