JP2958167B2 - Work stocking device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a stocking apparatus capable of stocking a relatively large number of relatively heavy workpieces such as cylinder blocks for engine parts.

[0002]

2. Description of the Related Art Conventionally, for example, to temporarily stock a work which is constantly supplied during unattended operation, or to cope with a case where a model is switched on a production line, a bypass conveyor is provided from the middle of a work transfer conveyor. They may be installed in parallel to form a stock field. However, in such a stock yard, the work zone is narrowed by a long bypass conveyor, and the stock yard itself is limited by the length of the conveyor. In recent years, for example, a conveyor line such as Japanese Utility Model Publication No. 61-43883 has been used. An apparatus for loading a fluid (container) in the middle of a device is known. In this device, the fluid is sandwiched by the side portions and is lifted and loaded.

[0003]

However, in the case of the above-described apparatus, since it is necessary to hold the side surface of the fluid and pull it up with a cylinder, each mechanism is complicated and the weight of the fluid is heavy. If so, there is a possibility that the support cannot be obtained.

[0004]

In order to solve the above-mentioned problems, the present invention relates to a method in which a workpiece to be transported is stepped during the transport of the workpiece.
With a workpiece stocking device designed to be stacked in a stack
This device is used to raise and lower the work on the transport path.
A mechanism and a work support that supports the work above the work carrying path
It has a holding mechanism . The lifting mechanism is configured to
Lifting member capable of supporting the lower surface of the
It has a drive source for raising and lowering
The support mechanism is movable along a road,
A pair of support parts that open and close horizontally as the members move up and down
With material .

[0005]

The lower surface of the work on the conveyor is supported by the elevating member of the elevating mechanism, and is lifted by the first and second stepwise ascending strokes, and is placed on the supporting member of the supporting mechanism above the carrying path and stocked. However, at this time, if another work is already stocked on the supporting member, the upper surface of the lifted work firstly comes into contact with the lower surface of the other work above by the first-stage ascent stroke, so that the lower work can be performed from below. It will be in a supported state. That is, a stacked state is obtained. At the same time, the upper work slightly rises, and its lower surface is separated from the support member. Next, the support member is opened to the left and right to extend beyond the width of the work to open the ascending passage of the work, and then the work is lifted above the support member by the second stroke. After the support member is closed and returned to the original position, the work is placed thereon. Also, the lifting mechanism can move freely along the work carrying path.
There is a work stock section with a support mechanism
By arranging a plurality of workpieces in the same direction, works of the same model or other models can be stocked in several rows, and effective use of space can be achieved.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a workpiece stocking apparatus according to the present invention will be described with reference to the accompanying drawings. FIG. 1 is a front view of the stock apparatus, and FIG. 2 is a side view of the same.

The stock apparatus of the present invention is configured as an apparatus for stacking a relatively heavy work such as a cylinder block, which is an engine part of an automobile, toward a ceiling. 2 left and right direction)
Is provided in the middle of the conveyor 1 as a work carrying path along the path.

That is, the stock device 2 temporarily stocks the work W flowing on the rollers 3 of the conveyor 1 when supply of the work to the next process becomes unnecessary. For this reason, the cylinder unit 4 (FIG. 2)
Stopper 5 that can freely move on and off conveyor 1
And the workpiece W stopped by the stopper 5
And a supporting mechanism 7 for supporting the lifted work W.
The roller 3 is driven by a driving motor 11.

As shown in FIG. 1, the work W has a substantially triangular cross-sectional shape in a front view direction, and a tapered upper portion is fitted into a bottom recess of the work W immediately above.
The support members 7 are successively stacked on the support mechanism 7 in a form of being supported from below. In order to stably support the stacked work W, a guide member 8 hanging from the ceiling is provided above the support mechanism 7. .. Can be supported.

The support mechanism 7 and the guide member 8
In the case of the embodiment, the work stock portion is provided in two rows along the carrying path as shown in FIG. 2, and the elevating mechanism 6 is movable between the two as described later. I have. For this purpose, a drive cylinder unit 9 for moving the elevating mechanism 6 is provided.

Next, the structure of the lifting mechanism 6 will be described. The lifting mechanism 6 includes a traveling body 14 slidable along a rail 13 provided on the gantry 12 side by the driving cylinder unit 9, a lower cylinder unit 15 attached to the traveling body 14, An intermediate plate 16 coupled to the upper end of the rod of the unit 15;
The intermediate plate 16 can be moved up and down by the lower cylinder unit 15 having a vertical cylinder axis. The guide cylinders 22, 22 provided on the intermediate plate 16 allow guide bars 17, 18 to be described later to pass therethrough.

An upper cylinder unit 20 is provided on the intermediate plate 16. The cylinder axis direction of the upper cylinder unit 20 is also vertical, and an elevating plate 21 as an elevating member is connected to the upper end of the rod.
The above-described guide bars 17, 1 attached to the lift plate 21
8 extends downward and slidably penetrates a guide cylinder 23 provided on the traveling body 14. Then, with both the lower cylinder unit 15 and the upper cylinder unit 20 lowered, the lift plate 21 is positioned slightly below the upper end of the roller 3.

On the other hand, as shown in FIG. 1, the support mechanism 7 has a pair of open / close members 25, 25 which are engaged with rails 24, 24 provided on both sides in the width direction of the gantry 12, and is mounted on an upper portion of the open / close member 25. A plurality of positioning pins 27, 27 for supporting the lower surface of the work W are provided on the upper surface of the support member 26. Further, a cylinder unit 28 for opening and closing the opening and closing member 25 is provided.

Then, with the left and right opening / closing members 25, 25 moving inward and closed, respectively, the support members 26, 25
The gap between the tips of the workpieces 26 is slightly wider than the width of the lifting plate 21. On the other hand, when the opening / closing members 25 are moved outward and opened, the spacing between the tip ends of the workpieces W is wider than the width of the work W. ing.

The operation of the stock apparatus configured as described above will be described. When the supply of the work W to the next process becomes unnecessary, the stopper 5 is operated by the operation of the cylinder unit 4, and the flowing work W is stopped on the conveyor 1.

At this time, the lifting mechanism 6 is provided below the work W.
The work W is stocked upward by the operation of the lift mechanism 6. That is, first, as the first lifting stroke, the upper cylinder unit 20 operates to raise the lifting plate 21 slightly above the upper end of the roller 3 to support and lift the lower surface of the work W on the conveyor 1.

At this time, the upper surface of the lifted work W having a tapered shape in a front view enters the bottom recess of another work W which is already stocked on the support member 26 above, and the upper work W is moved from below. It will be in the state of supporting. At the same time, the upper work W slightly floats by being pushed up from below, and the engagement between the support member 26 supporting the upper work W and the upper work W is released.

The disengaged support member 26 is opened right and left by the operation of the cylinder unit 28 to form a rising passage for the work W.

When the support members 26, 26 are opened, the lower cylinder unit 15 of the elevating mechanism 7 is operated to lift the stacked workpieces W,... Together, and the lower surface of the lowermost workpiece W is positioned by the positioning pin of the support member 26. And raise it to a position above 27. During this ascent, the four circumferential portions of the workpieces W are guided by the guide member 8 and are lifted in a stable state.

In this state, the support members 26, 26
Is moved back to the original position and the lower cylinder unit 15 descends gently, and the work W
And drop downward.

As described above, when the work stocking operation of more than ten steps is completed, the lifting mechanism 6 travels on the rail 13 by the operation of the drive cylinder unit 9 and moves to another work stock part. Then, the work W is loaded by the same operation.

When the work W loaded in this manner is supplied, the work W can be lowered onto the roller 3 by the procedure reverse to the above, and can be supplied to the next step. When it is not necessary to stock the work W, the work W is flowed downstream without operating the apparatus.

[0023]

As described above, in the work stocking apparatus according to the present invention, the work is loaded above the work carrying path, so that the upper space is effectively utilized and the space can be effectively utilized. In addition, since the stock work is performed based on the lower surface of the work, the stacking operation can be stably performed, and the apparatus itself can be simply configured. In addition, the lifting mechanism moves along the work path
The work stock part with the support mechanism
The same model or other models can be provided by providing multiple
Work can be stocked in several rows, saving space.
Effective utilization.

[Brief description of the drawings]

FIG. 1 is a front view of a stock device.

FIG. 2 is a side view of a stock device.

[Explanation of symbols]

 (1) Conveyor (2) Stock device (6) Lifting device (7) Support mechanism (15) Lower cylinder unit (20) Upper cylinder unit (21) Lifting plate (26) Support member

Claims (1)

(57) [Claims] 1. A work stocking device for stocking a work to be conveyed in a stacked state during the conveyance of the work .
A is a lifting mechanism The apparatus for raising and lowering movement of the workpiece on搬路comprises a workpiece supporting mechanism for supporting the workpiece above the workpiece搬路, the lifting mechanism includes a lift member capable of supporting the lower surface of the workpiece And a drive source for moving the lifting member up and down in a stepwise manner, and moving along the work carrying path.
A work stocking device, wherein the stocker is movable, and the support mechanism includes a pair of support members that are horizontally opened and closed in conjunction with the elevating member.