JPH0534263B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention is an automatic loading device for molded products, more specifically, a plurality of molded products sent out in parallel from a molding device onto a shelf board for transportation. This invention relates to a device for automatic loading.

BACKGROUND TECHNOLOGY A molding device used for molding a molded product, such as a calcium silicate molded product, is equipped with a plurality of molds arranged in one direction, and there is a gap between the molded products sent out from the molds. This results in a fairly large spacing, which corresponds to the side-by-side spacing of the molds.

Problems to be Solved by the Invention Therefore, if molded products are loaded onto a transport shelf using a vacuum suction type transfer device, for example, while they are in the parallel state in which they were sent out, a large amount of material will be placed on the shelf. This will leave unloaded surfaces, making loading extremely inefficient and reducing productivity.Also, in products such as calcium silicate moldings, which are heated and dried while they are stacked on shelf boards, the drying process There were problems such as a decrease in thermal efficiency. The present invention makes it possible to adjust the parallel spacing of molded products during transportation, and moreover, when the parallel spacing of molds and the parallel spacing of molded products change due to molding of molded products of different sizes, it is possible to adjust the parallel spacing of molded products at once. The purpose of this invention is to provide an automatic loading device that can easily handle this problem by simply replacing one part.

Means for Solving the Problems The present invention provides a vacuum suction device that vacuum suctions a plurality of molded products sent out from a molding device in parallel and spaced apart from each other, and moves and loads them onto a transport shelf. In a vacuum suction type transfer device equipped with a vacuum suction device, the vacuum suction unit of the vacuum suction device is equipped with a plurality of vacuum suction plates arranged in parallel at intervals, which can be individually suctioned and released. The suction plate is supported on the guide shaft through a support member integrated with the suction plate, and in this supported state, it can be individually moved together with the support member in the direction of opening and closing the parallel spacing, and the support members of the vacuum suction plate are mutually movable. usually maintains the same parallel spacing as the molded product by a connecting mechanism for each parallel spacing,
When necessary, they are connected so as to be movable in a direction that closes the parallel spacing, and the connecting mechanism includes a connecting plate having a pair of horizontally elongated windows facing each other with a gap in the parallel spacing direction, and two of the connecting plates. It consists of a set of two pins that are movably engaged in a parallel interval direction within a set of windows, and the two pins are arranged on two support members that face each other with the parallel interval in between. Two connecting plates are attached between the pins in a replaceable manner in a pair of windows, and one side and the end of the parallel supporting members are connected to the other side. The present invention relates to an automatic molded product loading device, characterized in that the vacuum suction device is equipped with a drive device for moving toward the supporting member.

Embodiment An embodiment of the present invention will be described below based on the accompanying drawings.

FIG. 1 is an overall view schematically showing the implementation status of the apparatus of the present invention, in which 1 is a molding device, 2 is a vacuum suction type transfer device, 3 is a shelf board for transportation, and 4 is a hangar 4a.
The cart 5 is a drawer and storage device for the shelf boards 3, in which the shelf boards 3 are stored in multistage drawers and storage.

The molding device 1 includes a plurality of molds (not shown) arranged in parallel, and can mold a plurality of molded products at once. After molding, the molded products are sent to a predetermined position by a conveyor 1a. ing.

FIG. 2 schematically shows the situation when the molded products a are sent out, and there is a distance b between them that corresponds to the parallel distance between the molds.

The vacuum suction type transfer device 2 is composed of a guide rail 6 extending in the direction of transferring the molded product, and a vacuum suction device 7 that is suspended from the rail 6 and is moved along the rail 6. ing. In order to move the device 7 along the rail 6, on the device 7,
For example, as shown in FIG.
A wheel 9 is provided which is rotated by.

As shown in detail in FIG. 3, the vacuum suction device 7 includes a main body 10 that is suspended from a guide rail 6 and travels along the rail, and a main body 10 that is suspended from a guide rail 6 and is moved along the rail.
It consists of a vacuum suction section 11 that is supported at zero and is moved as appropriate in the vertical direction and in the width direction of the rail 6. In the figure, a screw feeding method is shown as a means for moving and feeding in the width direction.
By rotating forward and backward through the chain 15, the pedestal 17 equipped with the ball nut 16 screwed to the screw rod 12, and the vacuum suction unit 11 supported by the pedestal 17 in a vertically movable manner, are moved to the rail 6. It is designed to be able to move appropriately in the width direction. 1
Reference numeral 8 denotes an arm portion with a trochanter 20 for suspending the pedestal 17 from the horizontal rail 19 so as to be freely movable.

Further, a cylinder 21 is shown as a means for moving the vacuum suction section 11 in the vertical direction.
is installed on a pedestal 17, and a vacuum suction part 11 is supported at the lower end of the piston rod 21a.The vacuum suction part 11 is fixedly installed on the side of the pedestal 17 in accordance with the forward and backward movement of the rod 21a. cylinder part 2
It is designed to be able to move in the vertical direction using a shaft portion 23 that passes through 2 as a guide.

The vacuum suction unit 11 is equipped with a plurality of vacuum suction plates 24 arranged in parallel, which are normally in the same parallel state as the molded product a, and are moved so that the mutual spacing becomes narrower when necessary. .

As shown in FIG. 4, the vacuum suction plates 24 are arranged in parallel with a gap between them, and are mounted on two parallel guide shafts 26 via a cylindrical support member 25 formed integrally with the vacuum suction plates 24. Supported so as to be slidable, usually as shown in the figure, molded article a and parallel interval b (see Figure 2)
The configuration is such that it has the same parallel spacing as .

As shown in FIG. 5, the support members 25... usually maintain the same parallel spacing as the parallel spacing b (see FIG. 2) of the molded products a through independent connection mechanisms for each parallel spacing, They are connected so as to be movable in the direction of closing the parallel spacing when necessary.

The connecting mechanism includes a connecting plate 28 having a pair of horizontally elongated windows 28a, 28a facing each other with an interval in the parallel spacing direction, and a pair of window portions 2 of the connecting plate 28.
8a, 28a, and a set of two pins 29, 29 are movably engaged in the direction of the parallel spacing. A connecting plate 28 is fixedly attached to each pair of supporting members 25, 25, and between the pins 29, 29, a connecting plate 28 is replaceably attached to each pair of window portions 28a, 28a. In order to make it replaceable, a groove 28b is formed at the lower center of the connecting plate 28 and is connected to the window 28a.By using this groove 28b as an entrance for the pin 29 into the window 28a, The connecting plate 28 can be replaced.

As shown in FIG. 4, the supporting members 2 are arranged in parallel.
5... is provided with a drive device, such as a cylinder 27, for moving the endmost support member 25 on one side toward the support member on the other side.

The cylinder 27 is supported and fixed at its base end by an end plate 35 fixed to one end of the guide shaft 26, and a piston rod 27 provided in the cylinder 27
The tip of a is fixed to a movable plate 30 which is freely fitted and supported on the other end of the shaft 26, and the movable plate 30 is integrally connected to the support member 25 at the end of one side. The support member 25 on the other end side is connected to, for example, a fixed end plate 35 via a connecting member so as to be held in a fixed position.

As shown in FIG.
When a is in the advanced position, the mutual spacing between the supporting member 25 and the vacuum suction plates 24 supported by this is equal to the parallel spacing b between the molded articles a (see Fig. 2).
In this state, as shown in FIG. 5, a pair of pins 29,
29 is locked to the outer end side of the window portions 28a, 28a on both sides of the connecting plate 28 connected thereto, so that there is no further gap between them.

When the piston rod 27a is withdrawn in the state shown in FIGS. 4 and 5, as the piston rod 27a is withdrawn, the movable plate 30 fixed to the tip of the rod 27a and the left side in FIG. The first support member 25 and the pin 29 on the first support member 25 move to the right, and with this movement, the pin 29
The window 2 on the left side of the connecting plate 28 that cooperates with the pin 29
The connecting plate 28 moves from the outer end to the inner end within 8a and is finally locked at the inner end, and after locking, the connecting plate 28 also moves to the right together with the pin 29. As the connecting plate 28 moves to the right, the pin 29 on the second support member 25 from the left end locks with the inner end of the window portion 28a within the right window portion 28a, and at the time of this locking, The mutual spacing between the first and second support members 25, 25 and the vacuum suction plates 24, 24 is minimized,
It gets narrower. After this, the first and second support members 25, 25 move together to the right, and with this movement, the mutual distance between the second and third support members 25, 25 becomes the minimum, and by repeating this, , finally all mutual spacings are closed and minimized.

FIG. 6 shows a state in which the spacing is narrowed, and in this state, the pins 29 are located at the inner ends of the windows 28a. To restore the original state with more space, the rods 27a can be advanced again.

As shown in FIG. 4, the vacuum suction plate 24 is individually equipped with an air duct 31, and these air ducts 31 are connected to a vacuum generator (not shown) so that they can be individually suctioned and opened. ) has been contacted.

When the molded product a is transferred by suction, the vacuum suction section 11 of the vacuum suction device 7 is in the state shown in FIGS. 3 to 5,
Since the vacuum suction plates 24 are spaced apart from each other in a manner corresponding to the distance b (see FIG. 2) between the molded products a arranged in parallel, the transfer device 2 can be The molded product a can be adsorbed and transferred to the three transport shelf plates.

When loading the molded product a that has been suction-transferred onto the transport shelf 3, the cylinder 27 is operated from the state shown in FIG. The mutual interval b of the molded products a is narrowed, and then the molded products a are placed on the shelf board 3.
loaded on top. By doing so, there is no longer any unnecessary space between the molded products a stacked on the shelf board 3, and the molded products a can be efficiently stacked on the shelf board 3.

For example, when using a shelf board applied to a conventional device that stacks molded products a without narrowing the interval b,
If five molded products are loaded with narrower intervals, as shown in Fig. 7, there will be a loading surface for three molded products on the shelf board 3, so three of the next adsorption transfers will be carried out. By loading books by individually operating the vacuum suction plates 24 and moving the vacuum suction unit 11 in the left and right directions, the loading capacity per shelf board can be reduced by approximately 60% compared to conventional devices. I can do it.

In the present invention, the means for transporting the shelf board 3 is not particularly limited, and various known transport means can be employed. For example, as shown in FIG. 1, a transportation means using a trolley 4 can be adopted, and the shelves 3 are stored vertically in a hangar 4a of the trolley 4 in multiple stages and can be pulled out and stored. 3 is pulled out from the hangar 4a, and after loading, the shelf boards 3 are stored in the hangar 4a again. In order to draw out and store the shelf board 3, a drawer and storage device 5 is installed at the loading position. Such drawers and storage devices 5 are well known, and various known types can be applied. In FIG. 1, 32 is a pedestal for the cart 4, 33 is a lifter for raising and lowering the pedestal 32, and 34 is its rotating part.
Rotated 90°.

Effects According to the device of the present invention, the molded products sent out from the molding device with wide gaps can be loaded onto the shelf boards with the spaces narrowed. It has the characteristics that the per-load capacity increases by at least 50%, and productivity and thermal efficiency during drying can be improved. Furthermore, according to the configuration of the present invention, if the connecting plate of the connecting mechanism that connects the parallel supporting members individually and independently is replaced, the mutual spacing between the supporting members changes.
When molding products with different dimensions, if the mold and the parallel spacing of the molded products change,
This can be easily addressed by simply replacing the connecting plate.

[Brief explanation of the drawing]

FIG. 1 is a side view schematically showing an embodiment of the present invention, FIG. 2 is a plan view of FIG. 1 with the transfer device omitted, and FIG. 3 is a front view showing the transfer device in an enlarged manner.
FIG. 4 is an enlarged slope view showing the vacuum suction part of the transfer device, FIG. 5 is a diagram showing the situation when the gap between the vacuum suction plates is widened, and FIG. 6 is a diagram showing the situation when the gap is narrowed.
FIG. 7 is a partial perspective view showing the situation when molded articles are loaded onto the shelf board. In the figure, 1 is a molding device, 2 is a vacuum suction type transfer device, 3 is a shelf board, 4 is a trolley, and 5 is a drawer and storage device.

Claims (1)

[Claims] 1. In a vacuum suction type transfer device equipped with a vacuum suction device that vacuum suctions multiple molded products sent out from the molding device in parallel and spaced apart from each other and transfers and loads them onto a transport shelf. The vacuum suction section of the vacuum suction device is equipped with a plurality of vacuum suction plates that can be individually suctioned and released and are arranged in parallel at intervals. It is supported on a guide shaft, and under this supported state, it can be moved individually in the direction of opening and closing the parallel intervals together with the support member, and the support members of the vacuum suction plate are normally connected to each other by a connecting mechanism for each parallel interval. maintain the same parallel spacing as the parallel spacing of the molded products, and are connected movably in the direction to close the parallel spacing when necessary, and the connecting mechanism consists of a pair of horizontally long a connecting plate having a window;
It is composed of a set of two pins that are movably engaged in the window portion of the connecting plate in the parallel interval direction, and each set of two pins is composed of two pins facing each other with the parallel interval in between. Two connecting plates are fixedly installed on a set of support members, and are replaceably attached to the windows of a set of two connecting plates between the pins. An automatic loading device for molded articles, characterized in that the vacuum suction device is equipped with a drive device for moving one supporting member toward the other supporting member.