JPH06247543A - Distributing and conveying device - Google Patents

Abstract

PURPOSE:To convey workpieces so as to distribute them from one labyrinth to a plurality of labyrinths at one time elevating operation of a lifter. CONSTITUTION:Workpieces W1, W2 are arranged in an introduction chute 12. Then, a lifter 17 is elevated so as to set the workpieces W1, W2 on loading beds 18, 18, and thereafter, the workpieces are raised above the chute 12 while workpiece receivers 21, 22 are turned upward. Thereafter, the lifter 17 is lowered so that the workpiece W1 is received by the receiver 21 and is then conveyed along an upper stage delivery chute 20, and further, the workpiece W2 is received by the receiver 22 and is then conveyed along a lower stage delivery chute 19.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sorting and transporting device for sorting and transporting a cylindrical work from one feeding path to a plurality of feeding paths.

[0002]

2. Description of the Related Art In the case of distributing a cylindrical work from a single feed path to a plurality of feed paths and carrying the work, conventionally, for example, a distribution carrying device as shown in FIGS. 7 and 8 has been used.

As shown in the figure, the sorting and conveying apparatus 1 includes a carry-in chute 2 for receiving and aligning a work W,
A lifter 4 having a loading section 3 for loading a work thereon, and a work 4 aligned by the loading chute 2 is loaded on the loading section 3 and lifted above the loading chute 2 when lifted, and a lifter 4. Of the lower unloading chute 5 and the upper unloading chute 6 which are provided above and below with the base end facing the movement range of the lower unloading chute 5 and the upper unloading chute 6 and the extension direction of the unloading chute is the original position. The work receivers 7 and 8 are rotatably connected to the upper part of the work receivers 7 and 8. In the figure, reference numeral 9 is a proximity switch for detecting the presence or absence of works aligned on the carry-in chute 2, and 10 is a cylinder mechanism for moving the lifter 4 up and down.

With this structure, the workpieces W that have been loaded into the carry-in chute 2 and aligned at the tip thereof are brought into proximity switch 9.
The lifter 4 is lifted by the cylinder mechanism 10 to receive one work W aligned at the leading edge on the mounting portion 3, and first lifts the lifter 4 to the position of the work receiver 7 of the lower chute 5. The work W placed on the lifter 4 is received by the work receiver 7 and fed along the lower chute 6, and then the lifter 4 is lowered to below the carry-in chute 2 and then lifted again to work similarly. One W is received, and the work W placed on the lifter 4 is raised to the position of the work receiver 8 of the upper chute 6 and is received by the work receiver 8 to be fed along the upper chute 8. And lifter 4
By alternately switching the ascending height of the work to the height of the work receiver 7 and the height of the work receiver 8, the work W introduced into the carry-in chute 2 is alternately distributed to the lower chute 5 and the upper chute 6 and fed. I am trying.

[0005]

However, in the conventional sorting / conveying apparatus 1 described above, the cylinder mechanism 10 has a structure capable of operating in two steps in order to switch the rising height of the lifter 4, and the operation in two steps. There is a problem in that a control device for controlling the is necessary and costly.

Further, in order to distribute and feed the work W to the lower chute 5 and the upper chute 6 one by one, it is necessary to move the lifter 5 up and down twice, so that it takes a long time to operate and productivity is increased. There was a problem of being low.

The present invention has been made in view of the above points, and an object of the present invention is to provide a sorting and conveying apparatus which has a simple structure and is capable of sorting a work by one lifting operation of a lifter.

[0008]

In order to solve the above-mentioned problems, a sorting and conveying apparatus of the present invention has a carrying-in chute for receiving a work and aligning the work at a predetermined position, and a plurality of mountings for mounting the work on the upper part. A lifter having a placing portion, and the lifted work portion is mounted on each of the placing portions and lifted above the carry-in chute at the time of ascending, and a base end is provided so as to face a moving range of the lifter. It is composed of a plurality of unloading chutes and a work receiver rotatably connected to the base end of each unloading chute so as to be rotatable upward with the extension direction of the unloading chute as the original position. It is characterized in that the length is sequentially set from the upper stage to the lower stage of the carry-out chute so as to sequentially receive the works from the respective mounting portions when descending from the position.

[0009]

With this structure, the workpieces aligned on the carry-in chute are placed on the respective mounting portions of the lifter by the lifter ascending and are lifted above the carry-in chute, and when the lifter descends thereafter, the work is moved to the upper stage. From the to the lower stage, the work is received in each of the carry-out chutes, and the work is fed along each carry-out chute.

[0010]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described in detail below with reference to the drawings.

In FIG. 1 and FIG. 2, 11 is a distribution device of this embodiment. On the upper part of the sorting device 11, there is provided a carry-in chute 12 made of a pair of plate-like members that receives the cylindrical work W from the previous step (not shown) and aligns it with the tip portion 13. Proximity switches 14 and 15 for detecting the presence or absence of the work W1 at the front of the tip portion 13 and the work W2 at the second end are provided.

Below the tip portion 13 of the carry-in chute 12, a U-shaped lifter 17 which is connected to a cylinder mechanism 16 and can be moved up and down.
(See FIG. 2), the lifter 17 is raised by the extension of the cylinder mechanism 16 and passes through between the tip portions 13 to project above the carry-in chute 12. Lifter
At the upper end portion of 17, there are formed two mounting portions 18, 18 which can engage with the lower end portions of the work W1 and the work W2 aligned on the front end portion 13, and the lifter 17 ascends to bring in the carry-in chute. When protruding above 12, the two mounting parts 18 receive the two works W1 and W2 from the tip 13 and lift them above the carry-in chute 12.

A lower unloading chute 19 for feeding the work W to the next process is provided above the leading end of the carry-in chute 12, and an upper unloading chute 20 for feeding the work W to the next process is provided above the lower unloading chute 19. The base end is provided so as to face the moving range of the lifter 17. A work receiving member 21 is provided at the base end of the lower unloading chute 19 and a work receiving member 22 is provided at the base end of the upper unloading chute 20.
Are respectively pivoted. The work receivers 21 and 22 are normally held at the positions on the extension lines of the lower carry-out chute 19 and the upper carry-out chute 20 respectively by their own weight or elastic force of a spring (not shown), and are provided so as to be rotatable upward. There is. The work receivers 21 and 22 have lifters 17 that are raised.
A notch (not shown) is provided to avoid interference with. The work receiver 22 of the upper unloading chute 20 extends to a position where it does not interfere with the work W2 that engages with the mounting portion 18 on the rear side of the lifter 17 at approximately the center position of the lifter 17 in the raised position, and the work receiver 21 of the lower unloading chute 19 Is longer than the work receiver 22 and extends to a position beyond the rear end 17a of the lifter 17 in the raised position.

The operation of the present embodiment having the above-mentioned structure will be described below.

The work W is fed along the carry-in chute 12 and aligned with the tip portion 13 of the carry-in chute 12. After the proximity switches 14 and 15 detect that the two works W1 and W2 are aligned with the tip portion 13, the cylinder mechanism 16 is operated to raise the lifter 17. As shown in FIG. 3, the lifter 17 engages the two workpieces W1 and W2 with their respective mounting portions 18 when the lifter 17 moves up between the tip portions 13 and projects above the carry-in chute 12. It is received from the tip portion 13 and is lifted above the carry-in chute 12. Furthermore, the lifter 17 is shown in FIG.
As shown in FIG. 5, the works W1 and W2 engaged with the mounting portion 18 are brought into contact with the work receiver 21 of the lower unloading chute 19 and the work receiver 22 of the upper unloading chute 20 to rotate the work receivers 21 and 22 upward. Rise while moving. Lifter 17 goes up further,
At the stage of reaching the rising end, as shown in FIG.
W1 and W2 are separated from the work receivers 21 and 22, and the work receivers 21 and 22 return to the positions on the extension lines of the lower carry-out chute 19 and the upper carry-out chute 20 by their own weight or elastic force of a spring (not shown). . And lifter 17
As shown in FIG. 6, first, the upper work holder 22 receives the work W1, the lower work holder 21 subsequently receives the work W2, and the work W1 is transferred from the work holder 22 to the upper carry-out chute 20. The work W2 is sent to the next process along
It is fed from 21 to the next process along the lower discharge chute 19.

In this way, each time the lifter 17 moves up and down once, the two works W1 and W2 can be distributed and fed to the upper unloading chute 20 and the lower unloading chute 19, respectively. Therefore, by repeating the lifting and lowering of the lifter 17, the work W fed along the carry-in chute 12 can be alternately distributed and fed to the lower-stage carry-out chute 19 and the upper-stage carry-out chute 20.

In this embodiment, the case in which the work W is distributed from the carry-in chute 12 to the two feeding paths of the lower carry-out chute 19 and the upper carry-out chute 20 has been described. By providing a plurality of mounting parts, the work can be
It is possible to sort and convey from one feeding path to three or more feeding paths.

[0018]

As described in detail above, according to the sorting and conveying apparatus of the present invention, the works aligned by the carry-in chute are
When the lifter rises, it is placed on each loading part of the lifter and lifted above the carry-in chute, and when the lifter descends, it is sequentially received by the work receiving of each carry-out chute from the upper stage to the lower stage, and is fed along each carry-out chute. Will be sent. As a result, each time the lifter moves up and down once, a plurality of works can be distributed and fed to a plurality of stages of carry-out chutes, so that the operation time of the lifter is shortened and the work can be distributed more than the conventional one. Faster and more productive. Further, since it is not necessary to switch the lift height of the lifter, it is possible to easily control the structure and operation of the lift mechanism of the lifter as compared with the conventional one.

[0019]

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional view (a vertical cross-sectional view taken along the line AA of FIG. 2) of an embodiment of the present invention.

2 is a front view of the device of FIG. 1. FIG.

FIG. 3 is a view showing the operations of the lifter and the work receiver when the lifter starts to rise in the apparatus of FIG.

FIG. 4 is a view showing a state in which the work receiver is rotated by raising the lifter in the apparatus of FIG.

5 is a view showing a state in which the lifter reaches the uppermost portion in the apparatus of FIG.

FIG. 6 is a view showing a state where a lifter is descending in the apparatus shown in FIG.

FIG. 7 is a vertical sectional view of a conventional sorting and conveying device (B- in FIG. 8).
It is a longitudinal sectional view taken along line B).

FIG. 8 is a front view of the device of FIG.

[Explanation of sign]

 W, W1, W2 ... Work 11 ... Sorting / conveying device 12 ... Carry-in chute 17 ... Lifter 18 ... Loading part 19 ... Lower-carrying chute 20 ... Upper-carrying chute 21,22 ... Work-carrying receiver

Claims (1)

[Reference number] C1 [Claims] 1. A carrying chute for receiving a work and arranging the work at a predetermined position, and a plurality of mounting portions for mounting the work on an upper portion thereof. When the work is lifted, the aligned work is mounted on each of the mounting portions. A lifter that is placed above and is lifted above the carry-in chute, a plurality of carry-out chutes provided with their base ends facing the moving range of the lifter, and an extension direction of the carry-out chute at the base end of each carry-out chute. And a work receiver rotatably connected to the upper part of the work chute so as to sequentially receive the works from the respective mounting portions when the lifter descends from the raised position. The sorting / conveying device is characterized in that the length is sequentially set from the upper stage to the lower stage.