JPS62211219A - Conveyor - Google Patents

Abstract

PURPOSE:To simplify a conveyor in structure as well as to make holding operation into automation, by constituting it in a way of installing two types of holding devices in each moving body alternately, and also installing each action part of these holding devices at the station side, in case of the conveyor performing conveyance and delivery to stations going along an endless route. CONSTITUTION:In the state that each moving body 11 is stopped at each of stations I-VIII and a chuck body 6 is situated in an up limit where a sensor 23 detects a detection body 21, if handling of each of these stations II-VIII is all over, a chuck body 10 is made to go down by a chuck body driving device 15 via a lifting rod 10, whereby the sensor 23 goes down and detects a detection body 22. With this detection, action parts 27 and 28 alternately installed in these stations I-VIII operate two types of holding devices 9 alternately installed in the chuck body 6, holding a conveyed body 2 and releasing this holding. With this constitution, holding operation can be made into automation.

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial Application Field) The present invention relates to a conveying device, and particularly to a conveying device that sequentially conveys objects to a plurality of stations arranged along an endless movement path. The present invention relates to a conveyance device.

(Prior art and its problems) In a conventional conveyance device, a plurality of movable bodies are provided that are movable along an endless movement route passing through a plurality of stations, and each movable body holds an object to be conveyed. A chuck body is provided that moves up and down, and the chuck body of the movable body that is stopped at each stage is lowered and the object to be conveyed is gripped by the gripping tool, and the chuck body that has gripped the object to be conveyed is raised. After that, the moving body is moved to the next station, the chuck body is lowered, the gripping tool is released, and the object to be transported is delivered to the next station.

However, each of the chuck bodies requires an operation of gripping the conveyed object with the gripping tool and an operation of separating the gripping of the conveyed object, which requires a complicated operation mechanism.
In addition, this operation Fpi structure is required for each chuck body, and since the movable body moves endlessly, it is impossible to supply fluid pressure from the stationary side to the operation mechanism. There is a problem in that the supply of a power source to the device becomes complicated, and if the opening and opening operations including gripping are performed automatically, the cost becomes extremely high.

(Objective of the Invention) The present invention solves the above-mentioned problems of the conventional art, α, and automatically grips and releases the conveyed object with a gripping tool using a simple structure, so that the conveyed object can be sequentially moved to each station. The purpose of the present invention is to provide a conveying device that can convey objects.

(Structure of the Invention) In order to achieve the above object, the present invention arranges a plurality of stage tanks for receiving objects to be transported along an endless moving path, and moves along the moving path to Each of the plurality of movable bodies that stop at a stage is provided with a chuck body that can be raised and lowered by gripping an object to be conveyed, and each chuck body is provided with two types of grips for gripping an object to be conveyed alternately. The first type of gripping tool has a first action part that brings the first type of gripping tool into the gripping state and the second type of gripping tool puts the second type of gripping tool into the non-gripping state. Both of them are characterized in that second action parts for bringing the grip into the grip state are arranged alternately.

(Example) Hereinafter, an example in which the present invention is applied to a cleaning apparatus in which stations are arranged in an endless manner will be described based on the drawings.

As shown in Figures 1 and 2, the cleaning equipment has 8 (stage tanks!) consisting of an loading stage, 6 processing tanks for cleaning, drying, etc., and an unloading stage. It is arranged along an endless movement path 1, and the cleaning basket 2, which is the object to be transported, is supplied to the loading stage of the station controller I by a loading device W13, and the cleaning basket 2 is transferred to each station controller consisting of a processing tank, etc. The cleaning basket 2 is sequentially transported to stations I to ■, where it is cleaned, and finally the processed cleaning basket 2 is transported to a carry-out table at station ■, and is carried out by a carry-out device 4.Incidentally, each station I to ■ The height of the holding position of the washing basket 2 is not uniform.

The washing basket 2, which is the object to be transported, has a 7-run upper edge 5 as shown in FIGS. 4-f:tS6. A chuck body 6 that removably grips the cleaning basket 2 and moves up and down has seven parts.
A pair of seven hooks 7, ie, a total of four hooks 7, which engage with the flange 5 are arranged on the left and right sides, and each lever 7 is pivoted so as to be retractable and is biased by a leaf spring 8 in the engaging direction.

These seven grips 7 constitute a gripping tool 9, and two types of grips Ft and 9 are provided in which the positions of the seven grips 7 are different from each other. That is, #S of both grips 9
Type 1 has a pair of 77 holes on one side as shown in Figure 4.
In the second type of gripping tool 9, the pair of 77s 7 on one side are arranged at wide intervals and the pair of 77s 7 on the other side are arranged at wide intervals. A pair of 77ri7
are placed at close intervals.

A lifting rod 10 extends upward from the chuck body 6,
As shown in FIG. Pt52 and FIG. 3, this elevating rod 10 is supported by a movable body 11 movable along the moving path 1 so as to be movable up and down. On this spherical surface A, a 111-J, -yT-[t-+)rA-:lgN device is installed. The movable body 11 is provided with a chuck body driving means 15 comprising a forward/reverse motor 12, a drive pinion 13, an idle pinion 14, and the like.

On the other hand, the lifting rod 10 includes the driving pinion 13,
A rack 16 that meshes with the dowel pinion 14 is formed and is configured to move up and down as the forward/reverse rotation motor 12 rotates.

° The moving body 11 is a self-propelled moving platform that is movable along a pair of idle rails 17 that constitute the moving path 1.
is, and the Jl transmits on the idle rail 17.
It is equipped with a moving motor 20 that rotates the transport 19.

On the side of the moving path 1, there are detecting bodies 21 for stopping the moving body 11 and detecting the lifting limit of the lifting rod 10 corresponding to each station, and a holding height of the cleaning basket 2 at each stage tongue. Lifting rod 10 corresponding to the position
A detection body 22 is provided to detect the lower limit of the movement of the mobile cart 18, and a detection sensor 23 is provided on the upper part of the lifting rod 10 via a mounting bracket 24, and signals from the detection sensor 23 control the movement of the mobile cart 18 and It is configured to control the elevation of the elevation rod 10.

The holding part of the cleaning basket 2 of each of the stages 3 I to ■ is equipped with a
As shown in FIG. 4, a pair of left and right support frames 25a and 25b are arranged to place and support the 7-run 5. At stations I, ■, ■, ■, the support frames 25a, 2
A vertical groove 2 is provided on the upper edge of the 5b so that the seven tabs 7 can be inserted in a protruding state corresponding to the placement position of the seven tabs 7 of the first type of gripping tool 9.
6 is formed, and this support frame 25a125b has a second
Vertical groove 2 corresponding to the 77 arrangement position of the type of gripping tool 9
6 is not formed, and the upper edge and the vertical groove 26 of these support frames 25a125b bring the gripping tool 9 of type f51 into the gripping state, and the second gripping bar 9 is brought into the non-gripping state f:tSl
An action section 27 is configured.

Also, the stations adjacent to the above station ■, ■,
In cases ① and ②, the second
Vertical grooves 26 are formed corresponding to the positions of the 7 hooks 7 of the gripping tool 9 of the first type, and vertical grooves 26 are formed in the support frames 25a and 25b of the brackets corresponding to the positions of the gripping tools 9 of the first type. The groove 26 is formed in the support frame 25a,
At the upper edge of 25b and the longitudinal groove 26, the second type of gripper 9
A second action section 28 is configured to bring the gripping tool 9 into a gripping state and bring the first type of gripper 9 into a non-gripping state. In addition, 29 is a wire rod for preventing falling off.

Next, to explain the operation, the cleaning basket 2 is held at each station (■ to ■) and predetermined processing is performed.
The washing basket 2 is supplied to the station I by the carrying-in device 3, and the washing basket 2 is carried out by the carrying-out device 4 from the station (2). At this time, each movable body 11 is stopped corresponding to each station I to (2), and each chuck body 6 is located at the upper limit where the detection sensor 23 detects the detection body 21. In this state, when the processing at each station ■ to ■ is completed, the chuck body driving means 15 is activated and the chuck body 6 is lowered via the lifting rod 10, and the detection sensor 23 of each entrance/end 10 detects the It descends to the lower limit where the body 22 is detected and stops. Then, as will be described in detail later, the gripping tools 9 of each chuck body 6 are brought into a gripping state at their corresponding action portions 27 and 28, and as shown in FIG. The cleaning baskets 2 from ■ to ■ are gripped. Next, the chuck body driving means 15 is operated to raise the chuck body 6 via the lifting rod 10. When the chuck body 6 reaches the upper limit, the detection sensor 23 detects the detection body 6.
1 is detected, and the chuck body driving means 1 is activated by the signal.
5 stops, the movement motor 20 is activated, and each movable body 11 moves toward the next station, and when the detection sensor 23 detects the detection body 21 at the next station, the movement is stopped. Subsequently, the chuck body driving means 15 is operated to lower the chuck body 6, and at the lower limit, the detection sensor 23 of each lifting loft 10 detects the detection body 22 and stops. Then, as will be described later (the gripping tools 9 of each chuck body 6 are brought into a non-gripping state at the action portions 28 and 27, the cleaning basket 2 is released from grip by the chuck body 6, and the respective stages 9 - Thereafter, the chuck body 6 rises to the upper limit in the same manner as described above, and then moves further toward the next stage tongue.

From then on, by repeating the above operations, the loading device 3
The washing baskets 2 carried in from the washing basket 2 can be sequentially carried to each station for washing processing, and the washed baskets can be carried out by the carrying-out device 4.

Next, the gripping and gripping operation of the cleaning basket 2 by the above-mentioned gripping tool 9 will be explained with reference to FIG. First, for easy understanding, the gripping tool with an internal temperature of 1 of the 21! When the second acting parts 27 and 28 are respectively expressed as P and Q, p and q and P and Q are arranged alternately, and p
When P and q and Q correspond to each other, the gripping tool 9 enters the gripping state, and when Q and q and P correspond to each other, the gripping tool 9 enters the gripping state. Therefore, as shown in FIG. 7(a), when the chuck body 6 descends and reaches its lower limit with p, Plq, and Q corresponding to each other, the cleaning basket 2 is gripped by the gripper J'l-9. . Next, the chuck body 6 that grips the cleaning basket 2 rises, and then
As shown in FIG. 7(ri), each moves toward the large station. Next, as shown in FIG. 7(e), when the chuck body 6 descends and reaches the lower limit, q and P51]
and Q correspond, so the gripping tool 9 is in the gripping release state,
The cleaning basket 2 is held in the holding section of each station, the chuck body 6 rises empty, and then, as shown in FIG. 7(d), the chuck body 6 moves toward the next stage tongue and waits. A new washing basket 2 is brought into station I, and the washing basket 2 is taken out from stage tank ■.
The same operation is repeated thereafter.

The present invention is not limited to the conveying device in the cleaning apparatus shown in the above embodiment (in general, it is widely applicable to devices that sequentially convey objects to five stages arranged in an endless arrangement). Furthermore, the combination configuration of the gripping tool and the action section is not limited to the above-mentioned one, and various known fils can be employed.

Furthermore, the moving body is not limited to a self-propelled type, but also one connected by an endless rotating body such as a chain can of course be applied, and accordingly, the movement control of the moving body, the lifting and lowering mechanism of the chuck body, and its control etc. The most suitable one is selected accordingly. Furthermore, in the above embodiment, all the stations indicated by I to ■ are used as effective stations, but the operating section 2
The invention can also be applied to those with play stations that do not have 7.28.

(Effects of the Invention) According to the conveyance device of the present invention, in the conveyance device configured to sequentially convey objects to be conveyed to a plurality of stations arranged on an endless movement path as described above, a plurality of movement Two types of gripping tools are alternately provided on the chuck bodies respectively provided on the body, and at each station, the first type of gripping tool is in the gripping state, the second type of gripping tool is in the non-gripping state, and the second type of gripping tool is in the non-gripping state. The chuck body can be raised and lowered by a simple configuration in which the first type of action section and the second action section that puts the first type of gripper in the non-grip state and the second type of gripper in the grip state are arranged alternately. By operation, it is possible to grip and release the object to be conveyed without providing any special operating mechanism, and the advantage is that the object to be conveyed can be sequentially conveyed to each station with an inexpensive configuration.

[Brief explanation of drawings]

The drawings show one embodiment of the present invention, and FIG. 1 is an overall plan view;
Figure 2 is an exploded front view, Figure 3 is a perspective view of the movable body part, Figure 4 is a partially cutaway perspective view of the main part, Figures 5 and 6 are longitudinal side views of the main part, and Figure 7 (al ~ (dl is a diagram explaining the operation. −・・−・−・
・−・−・−Moving route 2・−・−・−・・・・・・
・−・−・−−−−−−−−・−Cleaning basket (objects to be transported)
6−・−・−・・−・・−・−・−・−・・・−・−・
−・Chuck body 9−・−・−・−・・−・・−・
・・・−・・−・−Gripping tool 11−・・−・−・−
・−・−・−・・−・−・−・・Mobile object 27.28・・
・・−・・−・・−・・−・・・・Action part 1
Ward

Claims (1)

[Claims] (1) A plurality of stations for receiving objects to be transported are arranged along an endless movement path, and each object is gripped by a plurality of moving bodies that move along the movement path and stop at each of the stations. A chuck body that can be raised and lowered is provided,
Each chuck body is alternately provided with two types of gripping tools for gripping the conveyed object, and at each station, the first type of gripping tool is in a gripping state and the second type of gripping tool is in a non-gripping state. A conveying device characterized in that a first acting part that causes a first type of gripping tool to be in a non-gripping state and a second acting part that causes a second type of gripping tool to be in a gripping state are alternately arranged.