JPH0625453Y2 - Work sequential feeding device - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a work progressive feeding device for sequentially feeding and servicing works one by one.

[Conventional technology]

In the conventional work progressive feeding device, as shown in FIG. 4, a large number of works 101 are stacked in an oblique stack while being surrounded by two support walls 102, 102.

Among the works 101, the lower end of the work 101 located at the lowermost stage is supported from below by a pin 103, and the lower end of the work 101 located immediately above the lowermost stage is supported by a pin 103 ′.

When the work 101 is fed in sequence, the pin 103 is pulled out and the work 101 at the bottom is fed downward. Next, the pin 103 is returned to the original state, and then the pin 103 'is removed. At this time, a large number of works 101 are newly placed at the bottom of the work 1 due to gravity.
It drops until 01 is caught on pin 103. After that, the pin 103 'is returned to the original state. By sequentially performing the above operations, the works 101 are sequentially fed.

[Problems to be solved by the device]

By the way, in the conventional work progressive feeding apparatus, since a large number of works are stacked and stocked, the work located below is heavily loaded by the work weight, and the work is deformed or the work surface is damaged. In addition, there is a problem that it can be applied only to works having a shape in which a pin is inserted between stacked works.

The present invention is intended to solve the above-mentioned problems, in which an endless chain having a large number of work holders for supporting each work individually is stretched, and this chain is hydraulically operated. An object of the present invention is to provide a work progressive feeding device capable of accurately feeding the works one by one while stocking the works without stacking them by moving them one pitch by operating the cylinder device. To do.

[Means for Solving the Problems]

In order to achieve the above-mentioned object, the work progressive feeding device of the present invention includes a wall member that supports one end of each of a plurality of works and a plurality of support members that support the other end of the work at a position lower than each one of the work. Endless chain with a workpiece receiver, a pair of upper and lower sprockets for tensioning the chain, a support for pivotally supporting the sprocket wheel, and a hydraulic cylinder device mounted on the support. An L-shaped stopper, which is rotatably supported by a piston rod of the hydraulic cylinder device and engages with a pin of the chain in a state in which its tip end is in a substantially horizontal state, abuts a side surface of the stopper to guide the same. While providing a guide capable of maintaining the tip of the stopper substantially horizontal, the hydraulic cylinder device brings the stopper into contact with the guide in the first operating state, and The stopper to disengage from the guide second operating state, is characterized in that the stroke of the hydraulic cylinder device is set.

[Action]

In the work progressive feeding device of the present invention described above, a large number of works are supported one by one by the plurality of work receiving members and the wall members. Then, by moving the chain provided with the work holders by one pitch in the hydraulic cylinder device, it is possible to perform an operation of feeding a large number of works downward one by one.

〔Example〕

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A work forward device as an embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a schematic side view thereof, FIG. 2 is an enlarged perspective view of a chain, and FIG. is there.

As shown in FIG. 1, a vertical wall member 1 having a small friction coefficient is provided, and one end of each of a large number of works 2 is supported by the wall member 1.

Further, a horizontal table 3 is provided, and columns 4 are erected on the table 3. The pillar 4 is parallel to the wall member 1.

Sprocket wheels 5 and 5 are rotatably mounted on the upper and lower ends of the column 4, respectively.
A chain 6 is stretched endlessly between the wheels 5 and 5, and a space for stocking a work is formed between the wall member 1 and the chain 6.

As shown in FIG. 2, each element 7 constituting the chain 6 is composed of a plate body having a bent portion 7a bent at a right angle with respect to the main body in the central portion, and the bent portion of the opposite plate body is bent. 7
The work support 8 is mounted between a and 7a, and the work support 8 provided on each element 7 of the chain 6 is attached to each work 2
The other end of each work 2 is supported at a level lower than one end of the work.

That is, a large number of workpieces 2 are inclined in the space for stocking the workpieces, respectively, and the wall member 1 and the workpiece holder 8 are provided.
It is supposed to be supported by. Note that reference numeral 7b
Is a through hole of the chain pin, and 7c is a bolt hole for mounting the work support 8.

A hydraulic cylinder device 9 is attached to the column 4, and a tip end (lower end in the figure) of a piston rod 9a of the hydraulic cylinder device 9 is attached.
The L-shaped stopper 10 is rotatably mounted by having its base portion pivotally supported. Further, when the cylinder device 9 is contracted, a guide 11 that guides the side surface (right side surface in FIG. 3) of the vertical portion of the stopper 10 and keeps the end portion of the stopper substantially horizontal is attached to the column 4. There is.

Then, in this state, the tip portion 1 formed in a flat shape
As indicated by the chain double-dashed line in FIG. 3, 0a is inserted between the pins of the chain 6 and operates so as to prevent the rotation of the chain 6.

Next, the operation of this embodiment at the time of progressive feeding of the work will be described.

As shown in FIGS. 1 and 3, the hydraulic cylinder device 9 is initially in a contracted state. Therefore, at this time, since the tip end portion 10a of the stopper 10 is inserted between the pins of the chain 6 and the rotation of the chain 6 is prevented, one end of each work is supported by the wall member and each work is The other end of each is held in a stopped state supported by the work receiving member 8 of the chain.

Here, the hydraulic cylinder device 9 is extended and the stopper 10
However, when the side surface comes to a position where it comes out of contact with the guide 11, the stopper 10 becomes rotatable, that is, the stopper 10 loses the rotation preventing function of the chain 6.

During the initial period of the stopper 10 reaching this state, the side surface of the stopper is in contact with the guide 11, so that the extension force of the hydraulic cylinder device has a function of pushing the chain 6 downward. .

Therefore, the chain 6 moves in the direction of arrow A in FIG. 3 as the hydraulic cylinder device extends.

Then, when the side surface of the stopper 10 is separated from the guide 11 in due course, the chain 6 is then moved to the third position by the weight of the work.
Since the chain 6 is biased in the direction of arrow A in the figure, the chain 6 moves in the direction of arrow A while rotating the stopper 10 to the position shown by the solid line in FIG.

By this movement, the work at the lowermost stage is separated from the work receiving plate and naturally falls downward from the stock space, and is fed to the processing station by a conveyor (not shown).

When the lowermost work is fed from the stock space by the above-mentioned operation, the hydraulic cylinder device 9 is contracted.

When the hydraulic cylinder device 9 contracts (moves in the direction of the dotted arrow in FIG. 3), the stopper 10 returns to the position in which it engages with the guide 11, but when the end of the return stroke is approached, the stopper 10 moves. The tip 10a is inserted between the pins of the chain 6 to rotate (move) the chain 6.
Prevent. Therefore, the chain 6 is stopped and the work is not fed thereafter.

Then, this state becomes a new initial state.

By repeating the above operation, the work is sequentially fed by one pitch of the chain for each cycle operation of extension and contraction of the hydraulic cylinder device.

In the case of the present embodiment, the replenishment of the work 2 may be performed manually or mechanically, and even if the hydraulic cylinder device is positioned below the stopper and the contracting operation and the extending operation are reversed, the same result is obtained. It goes without saying that the action of can be performed.

[Effect of device]

As described in detail above, according to the work progressive feeding device of the present invention, it is possible to easily and safely feed the works one by one without deforming the works or damaging the surface of the works with a simple structure. .

[Brief description of drawings]

1 to 3 show a work progressive feeding device as an embodiment of the present invention. FIG. 1 is a schematic side view thereof, FIG. 2 is an enlarged perspective view of a chain, and FIG. FIG. 4 is a sectional view, and FIG. 4 is a schematic side view showing a conventional work progressive feeding device. 1 ... Wall member, 2 ... Work, 4 ... Strut, 5 ... Sprocket / wheel, 6 ... Chain, 8 ... Work receiving plate, 9 ... Hydraulic cylinder device, 10 ... Stopper, 1
1 ... Guide.

Claims (1)

[Scope of utility model registration request] 1. An endless chain having a wall member supporting one end of each work and a plurality of work supports capable of supporting the other end of the work at a position lower than each one end of the work. And a pair of upper and lower sprocket wheels that stretch the chain, a column that supports the sprocket wheel, a hydraulic cylinder device that is mounted on the column, and a piston rod of the hydraulic cylinder device that can rotate. An L-shaped stopper that is pivotally supported by and engages with the pin of the chain when its tip is in a substantially horizontal state, and the tip of the stopper is kept substantially horizontal while abutting on the side surface of the stopper and guiding it. The hydraulic cylinder device has the guide in a first operating state to bring the stopper into contact with the guide, and in the second operating state, the stopper is not in contact with the guide. In order to disengage the work forward and wherein the stroke of the hydraulic cylinder device is set.