JPS63225009A - Stocker - Google Patents

Abstract

PURPOSE:To permit a parts case to be safely and optionally picked up, by arranging a lift part, which has a vessel mounting part, being able to be lifted between upper and bottom conveyer parts which are able to stock plural parts- containing vessels respectively. CONSTITUTION:A parts case, if it is supplied to an upper conveyer part 13 in a work position A, moves downward by tilting a conveyer, and stopping the case by a case clamping cylinder 45, the successively supplied parts case is stored in stock. Next opening the clamping cylinder 45 if a lift part 12 is detected to be in a lift position, the parts case is relocated on the lift part 12 through an upper part rotary roller 23 and a belt not shown in the drawing. And after supply of parts to the parts case, lowering the lift part 12 being opposed to a bottom conveyer part 14 and stopped, the parts case is transferred to the conveyer part 14 being stored in stock on a conveyer. In this way, the parts case can be safely further optionally picked up.

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial Application Field] The present invention relates to a stocker for stocking parts boxes for storing parts such as processed workpieces.

[Prior Art] Generally, on a production line that processes parts, a stocker is installed to stock parts boxes for storing processed parts. The parts are stored in the parts box of the stocker.

Conventionally, as this type of striker 7 car mentioned above, Fig. 5 a, b
, c, d have been adopted,
This stocker is disclosed in a catalog distributed by Motoda Electronics Industry Co., Ltd. under the name "Product Name: Robox RB Model."

As shown in Fig. 1, two rows of parts boxes (tray parts) 2 and 3 are stocked in each of these stock 7 cars, stacked vertically in multiple stages. parts box (tray) 2a.

3a is adapted to be circulated and conveyed as shown in FIG. That is, the component box 2a on the component box section 2 side is conveyed upward, and the component box 2a at the topmost stage is moved laterally to the topmost position on the component box section 3 side. It is designed to be transported. And parts box part 3
The parts box 3a on the side is conveyed downward, and the parts box 3a at the lowest level is moved laterally and conveyed to the lowest position on the side of the parts box part 2. ing.

According to the above configuration, parts are supplied into the parts box 3a at the position indicated by the symbol A in FIG. It is possible to supply empty parts boxes.

[Problems to be Solved by the Invention] However, the above prior art has the following problems. That is, in one work process, stocker l
There may be cases where you would like to take out any parts box 2a or 3a from multiple parts boxes stocked in the machine.
In the above-mentioned prior art, the parts boxes 2a and 3a are stocked in a plurality of stacks, and therefore the stocked parts boxes 2a and 3a cannot be taken out arbitrarily, which is extremely inconvenient.

Further, a worker takes out the parts box 2a from the work position A where an industrial robot or the like supplies parts.

Since the work position B where the supply is performed is close to each other, there is a risk that a worker may come within the operating range of an industrial robot or the like, resulting in a lack of safety.

The present invention has been made in view of the above-mentioned problems of the prior art, and provides a stocker in which the parts boxes stocked in the stocker can be taken out at will, and in which worker safety can be ensured. The purpose is to

[Means for Solving the Problems] FIG. 1 shows a conceptual diagram of a stocker IO according to the present invention. As shown in FIG. an elevating section (part of an elevator) 12 that is capable of moving up and down, and an upper conveyor section 13 that is configured to feed component boxes 11 one by one onto the elevating section 12 in the elevated position. , and a lower conveyor section 14 for stocking parts 11 discharged from above the elevating section 12 at the processing position.

[Operation] In the above configuration, the parts boxes 11 that are stocked are supplied onto the upper conveyor section 13 from one working position B and are supplied onto the elevating section 12 one by one.

Also, the parts box 1 is discharged and transferred from above the lowered elevating section 12.
1 are lined up and stocked one after another on the lower conveyor section 14.

[Example] An example of the present invention will be described in detail below using one drawing. In the following description, the same components as those shown in FIG. 1 are designated by the same reference numerals.

FIGS. 2a and 2b are a plan view and a front view showing the structure of the stocker 10 according to the present invention, and FIGS. 3a and 3b are enlarged explanatory views of the main parts thereof.

As shown in the figure, the stocker part 10 has a parts box (components storage container) placement part, and an elevating part (
an elevator part) 12; an upper conveyor section 13 configured to be able to stock a plurality of component boxes and to supply component boxes one by one to the elevating section 12 in the raised position; The lower conveyor section 14 is configured to be able to stock a plurality of parts boxes discharged from the elevating section 12 in the lowered position.

Each component 12, 13, 14 consists of an apparatus frame (frame) 2
The upper conveyor section 13 is installed on the upper frame section 20a, and the lower conveyor section 14 is installed on the lower frame section 20b.

The upper conveyor section 13 is composed of a roller conveyor having a large number of rollers 21 for transporting parts boxes.
It has an inclined structure so that the elevating part 12 side is lower. 22
Shown is a guide member to prevent the parts box from falling.

An upper rotating roller 23 is supported via a support shaft 24 on the upper frame section 20a between the inclined lower end of the upper conveyor section 13 and the lifting section 12.
is rotatably driven via an internal motor (not shown). Reference numeral 25 indicates a bracket for the upper rotating roller 23, and a guide bar 26 for guiding the movement of the parts box is fixed to this bracket 25 via a support plate 27.

The elevating section 12 includes a parts box mounting section 30 which is composed of two rotatably supported wheels (rollers) 28 and a belt 29 wound around the rolling wheels 2B, and a parts box mounting section. 30 and an elevating mechanism section 31 for moving it up and down.

The component box mounting section 30 is supported by a support frame 32 and is fixed to a linear head 34 on the side of the elevating mechanism section 31 that is moved up and down along a screw rod 33 by the force of a motor. Reference numeral 35 indicates a support frame for the screw rod 33, and reference numeral 36 indicates a slide that is guided in movement along a rail 37 fixed to the device frame 20.

Between the rolling wheels 28 and the upper rotating roller 23, the rotational force of the upper rotating roller 23 is transmitted to the rolling wheels 28, and the belt 2
An upper rubber roller 38 is interposed for rotating the upper frame 9, and the upper rubber roller 38 is fixed to the upper frame portion 20a via a support bracket 39. Reference numeral 40 indicates a spring for applying pressure to the upper rubber roller 38.

The upper rotating roller 23 is set to be rotationally driven in a clockwise direction, and the parts box transferred from the upper conveyor section 13 is transported through the guide bar 26 to the parts! l placement section 30
It is set up so that it can be transported above. Then, the parts box transferred onto the parts placement section 30 is transferred to the upper rotating roller 23.
The component placement section 3 is connected via a belt 29 rotated in the same direction
It is set so that it can be transferred to a predetermined position on 0. 4
1. Reference numeral 42 indicates a guide member for guiding the transfer of the parts box, reference numeral 43 indicates a stopper for the parts box being transferred onto the component placement section 30, and reference numeral 44 indicates the part box in a predetermined position. This is a sensor that detects whether or not.

In Figure 3, 45 indicates the upper conveyor section 1.
3) A box clamp cylinder equipped with an operating rod 46 for stopping a parts box loaded on top of the box.
It is set so that the stocked component boxes can be transferred one by one onto the component placement section 30 by moving them in and out. Further, 47 indicates a zero-box clamp cylinder 45 which is a positioning cylinder (pusher) for positioning and fixing the component boxes on the component placement section 30, and the positioning cylinder 47 is equipped with a sensor (not shown). It is detected whether the one-box clamp cylinder 45 is clamping the parts box and whether the positioning cylinder 47 is positioning and fixing the parts box.

Component placement unit 30 that is lifted and lowered via the lifting mechanism unit 31
are sensors 50 arranged above and below the device frame 20.
．． 51, and the vertical movement is controlled between the upper and lower sensors 50 and 51. The belt 29 of the elevating part 12, which is controlled to descend, reaches the lower frame part 2, as shown by the imaginary line in FIG. 3a.
It is set so as to be engaged with the outer circumferential surface of a lower rubber roller 53 rotatably supported by the support bracket 52 on the support bracket 52. The lower rubber roller 53 is engaged with a lower rotating roller 55 supported by the lower frame portion 20b via a bracket 54. The lower rotating roller 55 is rotated counterclockwise via an internal motor (not shown), and therefore, the belt 29, which is controlled to descend, is rotated counterclockwise via the lower rubber roller 53. It is designed to be rotated in the direction. Therefore, the parts box on the belt 29 whose descent is controlled is lowered by the belt 29. It is carried out and transferred in the direction of the lower conveyor part 14 via the lower rotating roller 55. Reference numeral 56 indicates a spring for applying pressure to the lower rubber roller 53, and reference numeral 57 indicates a guide bar for guiding the parts box, which is fixed to the bracket 54 via a support plate 58.

The lower conveyor section 14 is composed of a roller conveyor having a large number of rollers 60 for conveying parts boxes,
The parts box is inclined so that it gradually becomes lower as it moves away from the lower rotating roller 55 side so that the parts box transferred onto the lower conveyor part 14 is transferred by its own weight toward the end of the conveyor. Reference numeral 61 indicates a stopper, and reference numeral 62 indicates a barcode reader for detecting the barcode of the parts box and controlling the parts box. Also, between the lower surface of the upper frame section 20a and the upper surface of the lower conveyor section l4, there is a space for taking out the parts box so that the parts box on the lower conveyor 14 can be taken out at any position, as shown in FIG. 63 is the provision.

Next, the operation will be explained based on the above configuration.

First, a component box (not shown), which the worker supplies onto the upper conveyor section 13 at work position A in FIGS. 2a and 2b, is moved down by its own weight on the inclined upper conveyor section 13. , an operator stopped by the operating rod 46 of the box clamp cylinder 45 supplies and stocks a plurality of parts boxes onto the upper conveyor section 13.

Next, the upper sensor 50
After confirming that 0 is in the raised position, the operating rod 46 is retracted, and the unstopped parts box is moved by its own weight to the top of the upper rotating roller 23. is supplied onto the belt 29, stopped by a stopper 43, and detected by a sensor 44. The positioning cylinder 47 is actuated by this detection signal, and the parts box is positioned and fixed. At the same time, the rotation of the upper rotating roller 23 is stopped.

Components are supplied into the component box at the working position B side in FIG. 2, and when the supply of one component is completed, the component box mounting section 30 is lowered via the linear head 8.

When the sensor 51 detects the lowered position, the parts box aWi section 30 stops, and at the same time the lower rotating roller 55 is rotationally driven to transfer the parts box onto the lower conveyor 14. When the omitted sensor detects this, the lower rotating roller 55 is stopped by this signal, and the parts box mounting section 30 is raised.

By repeating the above operations, the parts boxes stocked on the upper conveyor part 13 are fed one by one onto the elevating part 12, and the parts boxes filled with parts are stocked one by one onto the lower conveyor part 14. It is.

As described above, according to this embodiment, the parts boxes can be stocked in a stacked state, so five workers can take out any parts box at any position, which is extremely convenient. working position A and working position B of the working robot, etc.
The safety of the workers can be ensured since there is a large distance between the

In the above embodiment, the belt 29 of the one-component box placement section 30 is rotated via the upper and lower rotating rollers 23.55 and the transmission rollers 38.53, but the invention is not limited to this. .

As shown in Fig. 4, each upper and lower conveyor section 13.1
4 may be constituted by an electric conveyor, and the upper and lower rotating rollers 23.55 may be omitted.

According to the above configuration, there is an advantage that the structure is simple and the parts box can be transferred quietly.

[Effects of the Invention] As described above, according to the present invention, it is possible to take out the component storage containers lined up and stocked in the stocker at any position, which is extremely convenient, and also improves the safety of the workers. It is guaranteed.

[Brief explanation of the drawing]

Fig. 1 is a conceptual diagram of a stocker according to the present invention, Fig. 2a
, b are a plan view and a front view showing one embodiment of the striker 7 car according to the present invention, FIGS. 3 a and b are enlarged explanatory views of main parts of FIGS. 2 a and b, and FIG. FIG. 3 is an explanatory diagram showing another embodiment of the main part shown in FIG. 3a. FIGS. 5a, b, c, and d and FIG. 6 are explanatory diagrams of the prior art. lO...Stocker 11...Parts box (components storage container) 12...Elevating section 13...Upper conveyor section 14...Lower conveyor section Patent applicant Olympus Optical Industry Co., Ltd. Agent Patent attorney Nara Wu ′. 1, (・ N〆14, Lower conveyor Figure 3 (,) Hn Figure 6 B A Procedural amendment (voluntary) May 26, 1988 1. Display of 11 yen Patent application No. 1988 No. 58627 No. 2, Title of the Invention 7-3, Relationship with the case of the person making the amendment Patent application Person 2-43-2 Hatagaya, Shibuya-ku, Tokyo Name Name
(037) Olympus Optical Industry Co., Ltd. Representative Toshibe Shimoyama 4, Agent Name (El1342) Patent attorney Takeshi Nara 5,2j5
, Subject of amendment (1) Column 6 of "Detailed Description of the Invention" of the specification, contents of amendment (1) The symbol r61 written on page 10, line 17 of the specification is a stopper, and the symbol 62 is a stopper. `` is corrected to ``-r61 indicates the stopper, 62 indicates the sensor for checking the parts box, and 64 indicates ''. (2) “Through the linear helad 8” written in the 5th line of page 12 of the specification is corrected to “via the linear helad 34.” (3) In the 11th line of page 12 of the specification Correct "sensor not shown" to "sensor 62". (4) Correct the second figure in the middle of the drawing as per the attached revised drawing. 7. List of attached documents

Claims (1)

[Scope of Claims] An elevating section that has a placing section for parts storage containers and is configured to be able to be raised and lowered freely, and the elevating section that is capable of stocking a plurality of parts storage containers and is in a raised position. Consisting of an upper conveyor section configured to be able to supply component storage containers one by one, and a lower conveyor section configured to be able to stock a plurality of component storage containers discharged from the elevating section in the lowered position. A striker characterized by what he did.