JPH0825634B2 - Work loader - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of use] The present invention makes it possible to automatically carry out the work of taking out a work formed by a transfer press from a transfer press and loading it into a container without manpower. The present invention relates to a loading device.

[Prior art] Conventionally, a work formed by a transfer press is
For example, it was transferred to a transfer device such as a chain conveyor installed on the downstream side of the transfer press, transferred to a predetermined position by the transfer device, and then unloaded from the transfer position by an operator and loaded into a container.

[Problems to be Solved by the Invention] However, as described above, it is a problem that the transfer press has a low production capacity and the size of the work to be formed is that the work is manually unloaded by the worker from the transfer device and loaded into the container. However, even if the weight is small and the weight is light, the work is near the moving parts of the device, so there is a high risk of work, and since more than one worker is required, labor saving cannot be performed. The press is highly efficient and high speed, 2.5
The work that is molded once every ~ 4 sec. Is sent out from the transfer press, and the size is large, width 1500 mm x length 2000-2500 mm, and the weight is about 20-30 kg. In the work, it is difficult to perform processing such as unloading the work from the transfer device and loading it in the container, and the risk of the work becomes greater and larger.

SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and an object of the present invention is to make it possible to automatically carry out the work of picking up a work formed by a transfer press into a container without depending on the manual work of a worker. .

[Means for Solving Problems] A first invention is an intermittent feeding device for intermittently feeding a workpiece sent from a transfer press, and a workpiece positioning device for positioning the workpiece fed by the intermittent feeding device. And a work loader that hangs and transports the positioned work and loads it into a container waiting at the work loading station, and loads an empty container into the work loading station and loads a container loaded with a predetermined number of works. A second aspect of the present invention is provided with a container transporting device that carries out from a station, and an intermittent feeding device that intermittently feeds a work sent from a transfer press and a work that is sent by the intermittent feeding device is suspended. A work loader for transporting and loading into a container waiting at the work loading station, and an empty container. Container carrying device for carrying the container into the work loading station and carrying out a container loaded with a predetermined number of works from the work loading station, and carrying an empty container into the container carrying device and carrying the work from the container carrying device. A third aspect of the present invention is provided with a container transporting monorail for receiving and unloading loaded containers, and an intermittent feed device for intermittently sending a workpiece sent out from a transfer press, and an intermittent feed device for sending the work. A work positioning device that positions the incoming work, a work loader that suspends and transports the positioned work and loads it into a container waiting at the work loading station, and an empty container that is loaded into the work loading station and that has a predetermined quantity. Place the container loaded with the work on the work loading stage. A container transfer device for unloading from Deployment has a structure in which a container transport monorail for transporting receive containers laden with the workpiece from the container conveying apparatus while carrying the empty containers to the container transport device.

[Operation] In the first invention, the work sent from the transfer press is sequentially sent to the downstream side by the intermittent sending device,
A work loader suspends and conveys the cargo, and it is loaded into a container. A container with a predetermined quantity of work is transported by the container transport device, and an empty container is also transported by the container transport device to the work loading station. The work is positioned before being hung by the loader, and in the second aspect, the work sent from the transfer press is sequentially sent to the downstream side by the intermittent feeding device, hung by the work loader, and conveyed to the container. A container loaded with a predetermined number of works is transported by a container transport device, an empty container is also transported by the container transport device to a work loading station, and a container loaded with a predetermined number of works is After being transported to the specified position by the container transport device, the container transport monorail The sent and empty container is sent to the work loading station by the container carrying monorail and the container carrying device. In the third invention, the works sent from the transfer press are sequentially sent to the downstream side by the intermittent sending device, and the work loader is provided. Suspended and transported by a container, loaded into a container, and a container with a predetermined number of workpieces is transported by the container transport device, and empty containers are also transported by the container transport device to the work loading station and further to the work loader. The work is positioned before being hung, the container with a predetermined number of works is transferred to the predetermined position by the container transfer device and then transferred by the container transfer monorail, and the empty container is transferred by the container transfer monorail and container. Work loading station with a transfer device It sent.

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

 1 to 11 show an embodiment of the present invention.

A cam 4 and a gear 5 are fixed to a shaft 3 which is rotatably pivotally attached to an outlet frame 2 of a conventionally known transfer press 1 shown in FIGS. Power can be transmitted to the gear 5 through a gear group, a power transmission shaft, and a gear 6 from a press drive source for rotating the wheel shaft to raise and lower a slide to which the upper die is attached and performing molding by the upper and lower dies. And the axis 3
A shaft 7 rotatably and pivotally attached to the outlet frame 2 in parallel with
A cam 8 and an arm 9 are fixed to the cam 8, and the cam 8 is a roller.
By contacting the outer circumference of the cam 4 via 10 and rotating the cam 4, the cam 8 and the arm 9 can swing in a direction parallel to the feed direction of the work 11.

At the upper end of the arm 9, a trolley feeding device capable of reciprocating in a direction parallel to the feeding direction of the workpiece 11.
13 is connected via a rod 12, and a feed bar 14 is connected to the lower end of the trolley feeding device 13 so as to be movable in the same direction as the moving direction of the trolley feeding device 13. Further, a lift clamp device 15 is attached to the feed bar 14 at required intervals in the longitudinal direction, and the trolley 16 of the lift clamp device 15 moves the feed bar 14 in a direction perpendicular to the feed direction so that the feed bar 14 The fingers attached to the gripper can grasp the work piece and intermittently feed the work piece in the downstream direction. Furthermore, the trolley 16 has a function of raising and lowering the feed bar 14, and thus the feed bar 14 holds the grip a, ascends b, feeds c, descends d, releases e,
Each operation of the return f can be sequentially repeated.

On the downstream side of the transfer press 1, an intermittent feeding device 17 for placing the work 11 delivered from the transfer press 1 and intermittently carrying it is disposed. The intermittent feeding device 17 is a belt conveyor type and has an endless belt 18 for conveyance.
Is divided into two on the left and right. A magnet is arranged below the belt conveyance surface so that the front and rear workpieces 11 are held at a constant interval during conveyance, and the lower frame is driven to drive the belt 18 in synchronization with the timing of the movement of the feed bar 14. A device 19 is provided.

Two work positioning devices 20 as shown in detail in FIGS. 5 to 7 are provided at a middle portion of the intermittent feeding device 17 in the work transport direction at required intervals. The work positioning device 20 is for positioning the work 11 in the feeding direction of the intermittent feeding device 17 and in the direction perpendicular to the feeding direction. That is, the adjusting electric motors 22 are arranged on both sides of the lower portion of the frame 21 at the tip of the intermittent feeding device 17, and the chain 24 is attached to the sprocket 23 fixed to the output shaft of the electric motor 22.
A screw shaft 25 extending in parallel with the feeding direction of the intermittent feeding device 17 is rotatably arranged on the upper part of the frame 21, and the chain 24 is attached to a sprocket 26 fixed to one end of the screw shaft 25. It has been passed over.

The screw shaft 25 has a reverse screw cut in the front and rear, and nuts 29 and 30 are fixed to the moving frames 27 and 28 that move in the feeding direction of the intermittent feeding device 17 and can approach and separate from each other,
The nuts 29, 30 are screwed onto the threaded portion of the screw shaft 25, and fluid pressure cylinders 31, 32 whose axes extend parallel to the feeding direction of the intermittent feeding device 17 are arranged on the upper portions of the moving frames 27, 28. Workpiece 1 is attached to the tip of the piston rod of fluid pressure cylinders 31, 32.
Positioning members 33 and 34 for pressing 1 to perform positioning
Are connected to each other, and the grooves 37, 38 provided in the brackets 35, 36 arranged on the side portions of the positioning members 33, 34 have the positioning members 33, 3
The guide rollers 39, 40 pivotally mounted on 4 are fitted so that they can roll.

On both sides of the frame 21, electric motors 41,4 for adjusting
2 is arranged in a direction orthogonal to the electric motor 22 when viewed two-dimensionally, chains 45, 46 are stretched over the sprockets 43, 44 fixed to the output shafts of the electric motors 41, 42, and the upper portion of the frame 21 Is rotatably arranged with screw shafts 47 and 48 extending in a direction orthogonal to the screw shaft 25 in plan view, and the chain 4 is attached to sprockets 49 and 50 fixed to one end of the screw shafts 47 and 48.
5,46 have been passed over.

A nut is fixed to a moving frame (not shown) arranged on the upper part of the frame 21 so as to be movable in a direction orthogonal to the moving direction of the moving frames 27 and 28, and the nut is fixed to the screw shafts 47 and 48. Fluid pressure cylinders 51, 52 which are screwed together and extend in a direction orthogonal to the fluid pressure cylinders 31, 32 are arranged on a moving frame (not shown), and piston rods of the fluid pressure cylinders 51, 52 are arranged. Work 11 at the tip
Positioning member 53, 54 for pressing and positioning
And the grooves 57 and 58 provided in the brackets 55 and 56 disposed on the side portions of the positioning members 53 and 54, respectively.
The guide rollers 59, 60 pivotally mounted on 4 are fitted so as to be able to roll.

As shown in FIGS. 1 to 3, a frame 61 is erected on the floor so as to straddle the intermittent feeding device 17 and the work positioning device 20, and each work positioning device 20 is placed on the frame 61. Two sets of work loaders 62 for receiving the positioned works 11 from the intermittent feeding device 17, conveying them, and loading them in a container 85 described later are arranged so that they can travel above the respective work positioning devices 20.

Explaining the work positioning device 20, the frame
A rail 63 extending in a direction perpendicular to the work feeding direction of the intermittent feeding device 17 is laid on the 61, and a loader body 65 is placed on the rail 63 via wheels 64. A pinion 66, which can be driven by a drive device (not shown), is attached to the loader body 65, and the pinion 66 meshes with a rack 67 laid in parallel along the rail 63 and the loader is rotated by the rotation of the pinion 66. The main body 65 can travel on the rail 63 in a direction perpendicular to the workpiece feeding direction.

The loader main body 65 is provided with a traverse carriage 68 capable of traversing in a direction perpendicular to the traveling direction of the loader main body 65 by a pinion and a rack, and the traverse carriage 68 can be lifted and lowered by a pinion and a rack. The mast 69 thus arranged is provided. At the lower end of the mast 69, a frame 70 which is rotatable with respect to a horizontal plane is provided, and a frame 71 which is rotatable with respect to a vertical plane is attached to the frame 70. An arm 72 is fixed to the frame 71, and a work is attached to the arm 72.
A plurality of vacuum pads 73 for attaching and supporting 11 are attached.

As shown in detail in FIGS. 8 and 9, the support metal 74 fixed to the required position on the ceiling is provided with a rail 77 for allowing the container transportation monorail 76 to travel via a bracket 75 having a U-shape. It is suspended in a plane arrangement state as shown in FIG. 1, and a rail 78 which can move up and down is arranged in the middle of the rail 77 as shown in FIGS. 2 and 11.

The container transport monorail 76 is driven by a drive device 79 so that it can roll along rails 77, 78.
Further, the driven wheels 81 are provided, and the container support frame 84 can be hung from the lower portion of the frame 82 via the pins 83. The container support frame 84 has a structure in which frame bodies are connected and fixed as shown in FIG. 10, and a projection 86 that engages with the lower surface of the container 85 is provided in the lower portion thereof. Further, the lower surface of the container support frame 84 has a notched shape so as not to interfere with a container transfer device 94 described later when the container support frame 84 is lowered.

As shown in FIG. 11, the rail 78 is fixed to a frame 88 via a bracket 87, and the frame 88 is supported by guide columns 91 of a frame 90 standing upright from the floor via guide wheels 89. A winch 92 is arranged above the frame 90, and a rope 93 that suspends a rail 78 via a bracket 87 is used.
By winding and unwinding, the container supporting frame 84 hung on the container carrying monorail 6 can move up and down together with the rail 78 while supporting the container 85.

Below the rail 78 that can be raised and lowered, a container transport device 94 such as a chain conveyor for transporting the container 85 is disposed.
The container 85 unloaded from the container support frame 84 is sent from the container transfer device 94 through the container transfer devices 95, 96 and 97 to the work loading station in the middle of the container transfer device 97, and the work is loaded at the work loading station. Container 85 to container carrier 97 to container carrier
You can get back to 94. A turntable 98 for changing the direction of the container 85 by 90 degrees depending on the type of the work to be loaded and a container 85 loaded with the work, in the middle of the container transfer device 95 and on the downstream side of the work loading station of the container transfer device 97. A turntable 99 that returns the original direction is installed so as to be able to move up and down and turn.
In addition, a transfer device that can move up and down is arranged at the connecting portion of each work transfer device 94, 95, 96, 97.

In the figure, 100 is a work transfer device for picking up defective products from the intermittent transfer device 17.

 Next, the operation of the present invention will be described.

In the transfer press 1, the electric motor for driving the slide elevation is driven, and the upper die moves up and down together with the slide, and the work 11 is formed by the upper die and the lower die, and at the same time, the power is transmitted by the electric motor for the slide elevation. Gear through means
6, 5 are driven and the cam 4 rotates. Therefore, the cam 8,
The arm 9 oscillates, and the feed bar 14 reciprocates via the rod 12 and the trolley feeding device 13. As a result, the clamp device provided on the trolley 16 of the lift clamp device 15 is grasped a → raised b → Feed c → Descent d → Return e
The work 11 is sequentially formed by this movement and is intermittently sent to the downstream side, and the completed work 11 is stopped on the downstream side of the transfer press 1 by the lift clamp device 15 at the downstream end of the transfer press 1. The intermittent feeding device 17 is placed on the upstream end.

When the work 11 is placed on the intermittent feeding device 17, the intermittent feeding device 17 is driven and the work 11 is fed to the downstream side by a predetermined amount,
When the work 11 is fed by a predetermined amount, the intermittent feeding device 17 stops,
The next work 11 is placed on the intermittent feeding device 17 from the transfer press 1, and the intermittent feeding device 17 is driven again to feed the work 11 by a predetermined amount. In this way the intermittent feeding device
The work 11 on the 17 is intermittently sent to the downstream side, but since the magnet is arranged below the belt conveying surface of the intermittent feeding device 17, the pitch of the front and rear works 11 does not change during the intermittent feeding. .

When the work 11 is sent to one of the two work positioning devices 20 by the intermittent feeding device 17, the positioning members 33 and 34 of the work positioning device 20 perform positioning in the work feeding direction, and the positioning member 53. Positioning in the direction perpendicular to the workpiece feeding direction is performed by the and 54. At the two workpiece positioning positions 20, the workpieces 11 are alternately positioned.

The operation of the work positioning device 20 will be described in detail. When the electric motor 22 is driven, the screw shaft 25 is driven via the sprocket 23, the chain 24, and the sprocket 26. Screw shaft 25
As the screw shaft 25 rotates, the moving frames 27 and 28 move in the feeding direction of the intermittent feeding device 17 when the screw shaft 25 rotates so that the frames 27 and 28 move toward and away from each other. However, the gap between the positioning members 33 and 34 is
Set to match. The operation up to this point is performed when the dimensions of the work 11 formed by the transfer press 1 are determined. Then, when the work 11 comes to the tip of the intermittent feeding device 17 and stops, the piston rods of the fluid pressure cylinders 31 and 32 are operated in the backward direction. Then, the positioning members 33 and 34 are attached to the brackets via the guide rollers 39 and 40.
Guided by the grooves 37 and 38 of 35 and 36, it moves to the work 11 side while standing up sequentially from the lying state, and holds the work 11 in the completely standing state, and positions the intermittent feeding device 17 in the feeding direction. Is done. The positioning members 53 and 54 are also positioning members 33 and 34.
In the same manner as above, the work 11 is held and positioned in the direction perpendicular to the feeding direction of the intermittent feeding device 17.

While the work 11 is being positioned by the one work positioning device 20, the work loader 62 of the relevant series stands by above the one work positioning device 20, and the other work positioning device 20 does not position the work. Instead, the work loader 62 of the relevant series loads the work 11 into the container 85 stopped at the work loading station of the work transfer device 97.

Thus, when the positioning of the work 11 on the intermittent feeding device 17 is completed by the one work positioning device 20, the mast of the work loader 62 waiting above the intermittent feeding device 17 is completed.
69 is lowered, the vacuum pad 73 attached to the lower end of the mast 69 comes into contact with the upper surface of the work 11, and the inside of the vacuum pad 73 is exhausted by a vacuum pump, so that the vacuum pad 73 is adsorbed to the surface of the work 11.

When the work 11 is adsorbed by the vacuum pad 73, the positioning members 33, 34, 53, 54 of the work positioning device 20 are released, and the mast 69 rises, so that the work 11 is raised from the intermittent feeding device 17 to a predetermined height. .

While or after the work 11 is lifted to a predetermined height by the work loader 62, the work loader 62 holds the work 11 and travels along the rail 63 to a work loading station installed in the middle of the work transfer device 97. . Thus, when stacking the works 11 vertically, the frame 71 rotates in a vertical plane to orient the works 11 vertically, and while lowering the mast 69, the traverse carriage 68 is vacuumed in a direction orthogonal to the rails 63. The work 11 attracted to the pad 73 is moved close to the work 11 already loaded, and when the work 11 is inserted into the container 85 in a predetermined state, the vacuum pad 73
Cancel. As a result, the works 11 are vertically stacked in the container 85 (see FIG. 4).

When the works 11 are loaded in the container 85, the mast 69 rises and the frame 71 returns to the original state, and the work loader 62 moves on the rail 63 again to the predetermined work positioning device 20.
Drive to the top.

During these operations, the other work loader 62 returns to the other work positioning device 20, adsorbs the next positioned work 11 and travels to the loading station of the work transfer device 97, similar to the above. Depending on the procedure, the next work
11 are loaded into container 85. Therefore, the workpieces 11 alternately positioned by the two workpiece positioning devices 20 are 2
Alternately transported by the base work loader 62 to the container 85
Are sequentially loaded into.

The workpieces 11 are alternately positioned by the two workpiece positioning devices 20, and the workpieces are loaded by the two workpiece loaders 62.
Are transported and loaded in the future, the work 11 is quickly loaded into the container 85.

When the works 11 are stacked horizontally, the frame 71 is not rotated, but otherwise the work is performed in substantially the same procedure as in the case of vertical stacking (see FIG. 4).

 Next, the flow of the container 85 will be described.

The container 85 is held by the container support frame 84 of the container transport monorail 76 at the container storage location, and is driven by the drive device 79 to be transported along the rail 77 by the container transport monorail 76 and reach the rail 78.

Container transport monorail 76 allows container 85 to be a rail
When transported to a predetermined position, the winch 92 is driven to rewind the rope 93 and the rail 78 descends. For this reason,
The container transportation monorail 76 and the container support frame 84 descend, and the container 85 also descends.

When the rail 78, the container transport monorail 76, the container support frame 84, and the container 85 descend together and the container 85 is placed on the container transport device 94, thereafter, the container 85
Cannot descend, rail 78, container transport monorail 76,
The container support frame 84 further descends. For this reason, the projection 86 of the container support frame 84 comes off the container 85,
The container can be transported by the container transport device 94 of 85.

On the other hand, when a predetermined number of works 11 are loaded into the container 85 at the work loading station on the container transfer device 97,
The container 85 is sent downstream by the container transfer device 97. Therefore, the empty containers 85 dropped from the container support frame 84 onto the container transfer device 94 are sequentially sent to the downstream side corresponding to the containers 85 in which a predetermined number of works 11 are loaded and transferred to the downstream side. After reaching 94, 95, 96, and 97, the work loading station on the container transfer device 97 is loaded with a predetermined number of works 11 as described above.

The container 85 loaded with a predetermined number of works 11 at the work loading station returns from the container transfer device 97 to the container transfer device 94, and is located on the container support frame 84 of the container transfer monorail 76 where the container 85 is unloaded.

Container 11 loaded with workpieces 11 Container transport device 94
When it is located above the container support frame 84, the winch 92 is driven to wind the rope 93. Therefore, the rail 78, the container transport monorail 76, and the container support frame 84 are raised, the protrusions 86 of the container support frame 84 are fitted into the holes on the lower surface of the container 85, and the container 85 is supported by the container support frame 84. Therefore, thereafter, the container 85 is supported by the container support frame 84 and rises.

When the rail 78 is level with the rail 77 due to the rise,
Since the container transportation monorail 76 is driven by the driving device 79 and moves along the rails 78 and 77, the container 85 loaded with the works 11 is transported to the next process by the container transportation monorail 76.

Among the workpieces 11 sent by the intermittent feeding device 17, defective products are taken out to the work transfer device 100, and the worker 8
It is loaded on 5 and transported by container transport monorail 76. An inspection device is provided on the intermittent feeding device 17 to check whether the work 11 is defective.

In the embodiment of the present invention, the case where the work positioning device and the work loader are provided in two series has been described.
Of course, any number of series can be provided, the vacuum pad can be appropriately replaced depending on the size of the work, and various modifications can be made without departing from the scope of the present invention.

[Effect of the Invention] According to the work loading device of the present invention, it is possible to automatically load a molded work into a container without requiring manpower, so that the worker does not have to work on the movable part. Therefore, it is possible to achieve various excellent effects such as improvement in safety and labor saving.

[Brief description of drawings]

FIG. 1 is a plan view of an embodiment of the work loading device of the present invention, FIG. 2 is a view taken in the direction of arrows II-II in FIG. 1, and FIG.
III-III direction arrow view of the figure, FIG. 4 is a IV-IV direction arrow view of FIG. 3, FIG. 5 is a plan view of the part of the work positioning device used for the work loading device of the present invention, FIG. The figure shows VI in Figure 5.
-VI direction arrow view, FIG. 7 is a VII-VII direction arrow view of FIG. 6,
FIG. 8 is a front view of a container carrying monorail used in the work loading device of the present invention, FIG. 9 is a view in the direction of IX-IX in FIG. 8, FIG. 10 is a perspective view of the container, and FIG. 11 is a book. It is a front view of the rail raising / lowering part of the container conveyance monorail used for the work loading apparatus of the invention. In the figure, 1 is a transfer press, 17 is an intermittent feeding device, and 20
Is a work positioning device, 62 is a work loader, 73 is a vacuum pad, 76 is a container transport monorail, 77 and 78 are rails, 8
4 is a container support frame, 92 is a winch, and 94, 95, 96, 97 are container transport devices.

Claims (3)

[Claims] 1. An intermittent feeding device for intermittently feeding a work sent from a transfer press, a work positioning device for positioning the work sent by the intermittent feeding device, and a suspended work for the positioned work. A work loader for loading a container waiting at a work loading station, and a container transfer device for loading an empty container to the work loading station and unloading a container loaded with a predetermined number of works from the work loading station are provided. A work loading device characterized in that 2. An intermittent feeding device for intermittently feeding a work sent out from a transfer press, and a work loader for suspending and carrying the work sent by the intermittent feeding device and loading it into a container waiting at a work loading station. When,
A container transfer device for loading an empty container to the work loading station and unloading a container loaded with a predetermined number of works from the work loading station, and an empty container for loading the empty container to the container transfer device A work loading device, which is equipped with a container transport monorail for receiving and unloading a container loaded with work from. 3. An intermittent feeding device for intermittently feeding a work sent from a transfer press, a work positioning device for positioning the work sent by the intermittent feeding device, and a suspended work for the positioned work. A work loader for loading into a container waiting at the work loading station, a container transfer device for loading an empty container into the work loading station and unloading a container loaded with a predetermined number of works from the work loading station, A work loading device comprising a container transport monorail for loading an empty container into the container transport device and receiving and transporting the container loaded with the work from the container transport device.