JPS6311251B2 - - Google Patents

Description

[Detailed Description of the Invention] This invention is an automatic feeding device that sequentially takes out stacked product receiving frames from the bottom and sends them to a product loading position in order to load concrete products that come out one after another from a forming device and transport them to a curing field or other place. Regarding.

Conventional frame feeding devices of this type drop the lowest stacked frames one by one (with a drop of about 20 cm), which causes shock to the frames and becomes a source of noise.

In order to load several heavy products at once,
The receiving frame is quite heavy and large. Therefore, if the crane used for stacking these materials is also used for supplying materials, it can be taken out quietly, but using a dedicated crane is not only economically disadvantageous, but also increases the time required, so this has not yet been improved.

This invention solves the above problems in the simplest form, and will be described below with reference to the drawings.

An example of the product receiving frame 1 to which this invention is applied is shown in the third example.
As shown in the figure. It is made by connecting two parallel strips 1a with a stand leg 1b orthogonal to them, and although there are four concrete products B placed on top, indicated by chain lines, in reality, it is a long product that can be placed on about eight pieces side by side. be. In addition, in order to avoid the length of the product and to place the products in three or four rows, a corresponding number of strips 1a are often used. This invention can be applied to any of them.

To describe an embodiment illustrating the outline of the present invention, the lowermost receiving frame 1 of the stacked product receiving frames 1 is hung on the hooks 12 on both sides to suspend the entire product receiving frame 1, and the hooks 12 are lowered as necessary to suspend the entire receiving frame 1. is placed on the delivery frame 17, the hook 12 is further lowered a little, and then pulled up, the guide roller 14 attached to the hook 12 is released.
After descending through the vertical passage of the guide mechanism, it detours upward to the outside passage and returns to the original vertical passage, so the hooks 12 on both sides open outward, bypassing the lowest receiving frame 1, and passing the second receiving frame 1 from the bottom. In a product receiving frame feeding device which is adapted to be raised by hooking, the deviation of each receiving frame 1 is controlled by a square column standing at the outer corner of the orthogonal area between the parallel strips 1a and the left and right footrests 1b that constitute each receiving frame 1. , a storage machine frame 11 mainly consisting of a column 11a having a surface that becomes a guide rail for lifting and a mounting surface for the guide roller guide mechanism, and communication provided at the upper and lower ends of the vertical passage 16c and the outer passage 16b between the partition walls. the openings 20a, 19a, and the guide roller 14 that has reached the lower end of the vertical passage 16c.
, through the lower communication port 19a and the outer passage 16b.
Bottom plate 16a tilted to allow self-weight rotation to the lower end
Then, the guide roller 14 that has reached the upper end of the outer passage 16b is pulled up to the upper communication port 20 by the hook pulling force.
a ceiling plate 16d that is inclined so as to advance to the vertical passage 16c through a, and a gate plate 19 that hangs down with the lower communication port 19a closed and opens by pivoting only outward;
A bottom plate 16a is provided so that the guide roller 14 which has pushed open the gate plate 19 has moved outward to a point where the gate plate 19 can return, and then returned to the lower end of the outer passage 16b by the hook pulling force. This is a concrete product receiving frame feeding device characterized by comprising an extension part and an inclined ceiling plate 16e thereon.

The storage frame 11 allows a large number of product receiving frames 1 to be correctly stacked horizontally, and is restricted to vertical movement only. Both outer sides of the parallel strips 1a and 1a in Fig. 3, and the base legs 1b and 1b
The four pillars 11a that are in contact with both outer sides of are the regulating members. The stacked receiving frames 1 are supported by hooks 12. The hooks 12 move up and down along the pillars 11a of the machine frame 11, and are attached to each of the outer strips 1a of the lowermost receiving frame 1. Usually, it is hung with two hooks 12 on each side, but in this embodiment, one hook 12 is arranged diagonally on each side for simplicity. These hooks 12 have vertical portions 12a
The upper end is connected to the tip of the piston rod of the hydraulic cylinder 13 of the lifting device with a bendable joint.

A lower guide member (in this case, a roller) 14 is pivotally attached to the middle of the vertical portion 12a of the hook.
An upper guide member (roller) 15 is pivotally attached to the joint where the cylinder 13 and the cylinder 13 connect. A hook guide mechanism 16 guides the rollers 14 and 15 of these guide members. 14 and 15 are included.

To explain with an enlarged view of FIG. 4, the upper half of the hook guide mechanism 16 becomes a vertical path that vertically raises and lowers the upper guide roller 15, and when the lower roller 14 also enters this path, both rollers 14 and 15 are vertically moved. Since they are aligned, the hook vertical portion 12a also becomes vertical.

When the lower roller 14 descends, the lower half of the guide mechanism 16 falls vertically and hits the inclined bottom plate 16a.
The gate plate 19 is pushed open and moved outward along the bottom plate 16a, descending to a position 14' where the hook 12 is removed from the strip 1a, and this lower roller 14' returns to gravity when rising. Turn around along gate plate 19 and return. That is, the gate plate 19 that was initially pushed open comes to the position 19', but
When the lower roller 14 reaches the position 14', gravity returns, so when the hook 12 is pulled up, the lower roller 14 ascends the outer passage 16b. and outer passage 1
When returning from 6b to the original vertical passage, the gate plate 20 is pushed open to exit. The opened gate plate 20 approaches the position 20', but gravity (balance weight) immediately
Or it will return due to spring bias.

While the lower roller 14 rises from the lower end position 14', the tip of the hook 12 moves from 12' to 12'', and when the roller 14 pushes open the gate plate 20, the hook 12 returns to the standby position indicated by the solid line. It becomes vertical a little below.If you go up vertically from this point, hook 12
Now, scoop up the strip 1a of the second receiving frame 1 from the bottom and return to the position shown by the solid line. It is.

That is, the guide rollers 14 and 15 and the guide mechanism 16 cause the hook 12 to move vertically downward to the lowermost receiving frame 1.
As it is lowered, it opens outward, rotates around the outside, returns to the vertical position, and then, while rising, hooks the next receiving frame 1 and returns to the standby position. Note that the tips of both gate plates 19 and 20 are aligned with the slopes of the bottom plate 16a and the ceiling of the outer passageway, so that when they automatically return, they stop in a vertical position. Of course, the structure of this check valve-like gate can be appropriately designed using well-known techniques, and the gate plate 20 can be omitted if convenient. Further, it goes without saying that the rollers 14 and 15 can be replaced with pins or the like.

As shown in FIGS. 1 and 2, the sending frame 17 that catches the lowermost receiving frame 1 that has descended with the hook 12 on the way serves as the left and right grooved rails, and the receiving frame on the sending frame 17 Wheels of a drive frame 21 for pushing out one strip 1a run inside. The drive frame 21 has pushing claws 22 on the left and right sides, and the receiving frame strip 1a on the sending frame 17
Push and slide to send it to the loading position. The fluid pressure cylinder 18 pushes out and pulls back the drive frame 21.

In this example, the receiving frame 1 on the sending frame 17 is not sent all at once to below the loader rail 23, which is the loading position, but is pushed forward sequentially. When eight concrete products B (in this case) are loaded by a loader (not shown), the cylinder 18 operates to pull out the receiving frame 1 that has just been dismounted from the storage machine frame 11. This receiving frame 1 pushes the receiving frame 1 on which the product B is placed, moves it from the top of the delivery frame 17 onto the conveying roller 24, and is carried out by a forklift or the like at a waiting position for carrying out (not shown).

Note that the receiving frame 1 may be taken out from under the machine frame 11 by reciprocating the sending frame 17 itself that receives the receiving frame 1 .

Although the present invention has been described above with reference to one embodiment, it goes without saying that the embodiment thereof can be varied and applied in various ways depending on the design conditions and the well-known techniques of the designer.

This invention makes use of the cross-shaped cross-shaped receiving frames for concrete products, and prevents them from shifting with the square pillars of the storage machine frame, allowing them to be stacked correctly.In addition to lowering the receiving frames to the correct position, the outside surface of the square pillars is used to guide the hooks. Since the mounting surface of the roller guide mechanism is used, it becomes the simplest and most effective receiving frame for storing and loading/unloading the receiving frame.

As a guiding mechanism for the guide roller that swings the hook into the position where it hangs on the receiving frame or the position where it avoids the receiving frame, this invention provides a vertical passage and communication ports between the external passages at the upper and lower ends of a very short fixed bulkhead, and an inclined The guide rollers move along the bottom plate and sloping ceiling plate by gravity or the lifting force of the hook and pass through the upper and lower connection ports, making it possible to vertically lower and detour upwards the guide rollers without adding a special drive mechanism. did.

By making the fixed partition wall extremely small, the stacking interval of the receiving frames can be as small as the diameter of the guide roller, which is revolutionary for this type of hook opening/closing mechanism. Then, the hook hung on the lowest receiving frame strip is lowered vertically by the guide mechanism, and after all the receiving frames are placed on the sending frame, the hook goes around the outside and hooks the next receiving frame, and then the upper Since the receiving frame is returned to the standby position, one receiving frame is removed from the storage machine frame without any collision or noise, and is immediately pulled out.

This invention not only extends the life of the product receiving frame, maintains accuracy, and increases work efficiency, but also has a great social effect by reducing the source of noise pollution in concrete product manufacturing plants.

[Brief explanation of the drawing]

FIG. 1 is an elevational view of an embodiment of the present invention, FIG. 2 is a left half side view, FIG. 3 is a receiving frame, and FIG. 4 is an explanatory diagram of a hook guide mechanism. 1... Product receiving frame, 11... Storage machine frame, 12...
Hook, 13...Fluid pressure cylinder for lifting and lowering the hook,
14, 15... Guide roller, 16... Hook guide mechanism, 17... Delivery frame, 18... Delivery frame driving fluid pressure cylinder.

Claims (1)

[Claims] 1. Hang the bottom of the stacked product receiving frames on the hooks on both sides to suspend the entire product, lower the hooks as necessary to place the entire receiving frame on the delivery frame, and then lower the hooks a little. When the hooks are lowered and then pulled up, the guide rollers attached to the hooks descend down the vertical passage of the guide mechanism, then detour up to the outer passage and return to the original vertical passage, causing the hooks on both sides to open outward and return to the lowest position. In the product receiving frame feeding device, which avoids the receiving frames of the above, hooks the second receiving frame from the bottom, and ascends, the prismatic column stands at the outer corner of the orthogonal area between the parallel strips and the left and right footrests that make up each of the receiving frames. The receiving frame storage machine frame is mainly composed of pillars that have a surface that serves as a rail for regulating the displacement of each receiving frame, a lifting guide, and a mounting surface for the guide roller guide mechanism, and the vertical passage and the upper and lower parts of the outer passage partition wall. a bottom plate that is inclined so as to allow the guide roller that has reached the lower end of the vertical passage to rotate by its own weight to the lower end of the outer passage through the lower communication opening; and a bottom plate that has reached the upper end of the outer passage. , a ceiling plate that is inclined so that it can be advanced to the vertical passage through the upper communication port due to the lifting force of the hook; a gate plate that hangs down with the lower communication port closed and opens by pivoting only outward; and this gate plate. After the guide roller, which has been pushed open and moved, has moved outward to the point where the gate plate can return,
A concrete product receiving frame feeding device comprising: a bottom plate extension provided to return to the lower end of the outer passageway by a hook pulling force; and a sloped ceiling plate above the bottom plate extension.