JPH0365305B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a transportation/station device used in various manufacturing plants.

(Prior Art) In recent years, with the advancement of factory automation, the current situation is that the use of automated guided vehicles in various manufacturing plants is increasing day by day.

However, there are few cases in which the entire handling of objects is automated (automated), and the automated guided vehicles are only used for automatically transporting objects from one station to another, due to constraints on manufacturing machines or manufacturing processes, for example. There are many cases where this is the case.
In such cases, conveyors, drum lifters, and the like are often used to transport and handle objects between the manufacturing process and the station.

(Problems to be Solved by the Invention) Such conveyor routing, drum lifters, etc. are not always satisfactory in terms of space, cost, freedom of installation, etc.

The present invention aims to solve such problems.

(Means for Solving the Problems) The means for solving the above-mentioned problems will be explained with reference to the drawings. A positioning means A consisting of a support body 2 and a handcart 3 for transportation, and a positioning means A linked to the support body and the handcart 3, respectively, and a fixing means B in the positioning state.
and a loading section 4 of the hand truck 3.
is provided with means C for stopping the transported object 5, and the positioning means A has a first engagement portion 11 with a narrow width on the front side and a second engagement portion with a wide width on the rear side on the side of the support body 2. It consists of a guide member 14 consisting of a joining part 12 and a tapered part 13 between them, and an abutment member 15 protruding above the guide member 14. A pair of widely spaced front guide rollers 16 on the left and right that can hold the engaging portions 12 of the two.
A pair of narrowly spaced left and right rear guide rollers 17 that can hold only the first engaging part 11, and an abutting part 18 that abuts the abutting member 15.

(Function) In the above configuration, the items manufactured in the manufacturing process can be delivered to the automatic guided vehicle by the following series of operations.

First, the worker loads the object, that is, the object to be transported 5, onto the loading section 4 of the hand truck 3 at a predetermined position in the manufacturing process using an appropriate method, and then
is operated to prevent the conveyed object 5 from moving on the loaded object 4, and in this state, the hand cart 3 is moved and positioned using the hand push handle 6 as shown in FIG. Move to the location where the support body 2 is installed.

The handcart 3 thus moved to the location of the positioning support 2 as shown in FIG. 1b is positioned at a predetermined position by the positioning means A as will be described later. When the fixing means B is operated and fixed as shown in FIG. By canceling the operation, the conveyed object 5 can be moved from the loading section 4 of the hand truck 3 to the loading section 8 of the automatic guided vehicle 7.

In this way, the present invention first transports the transported object 5 manufactured in the manufacturing process to a predetermined position using the hand truck 3, and then transfers it to the automatic guided vehicle 7 using the hand truck 3 itself as a station. It is possible to make a payout. Of course, contrary to such an operation, the transported object 5 can be transferred from the automatic guided vehicle 7 onto the empty loading section 4 of the hand truck 3 in the installed state as described above at a predetermined position. , and after the transfer, the stopping means C is operated, and the fixing means B is operated.
By canceling the operation, the handcart 3 can be made movable again, and the object 5 can thus be transported to the manufacturing process or the like.

As described above, in order to use the handcart 3 itself as a station for the automatic guided vehicle 7, it is necessary to accurately position it at a predetermined position.However, in the positioning means A of the present invention, the following operation enables accurate positioning. positioning is performed.

That is, when the handcart 3 is pushed from the front side of the support body 2 to the rear side, the front guide roller 16 of the handcart 3 gradually moves from the first engaging part 11 to the tapered part 13 and moves to its position. is regulated, that is, the front side of the handcart 3 is regulated. Then, push the rear guide roller 17 further to move the rear guide roller 17 to the first engaging portion 11.
, the front guide roller 16 also engages with the second engaging portion 12 , and these guide rollers 1
6 and 17 hold the engaging portions 12 and 11, respectively, so that the hand cart 3 is regulated in a predetermined state in the left and right direction. When the abutting portion 18 comes into contact with the abutting member 15, the handcart 3 is also regulated in a predetermined state in the front and rear directions, and in this way, the handcart 3 can be accurately positioned at a predetermined position with a simple motion. will be done.

(Example) Below, preferred examples of the present invention will be described based on the drawings.

Fixing means B of the illustrated transport and station device
A lock pin 22 protrudes below a support rod 21 supported vertically movably by a guide groove 20 between handle support frames 19 provided on the left and right sides of the rear side of the handcart 3; The support rod 21 is lowered by an operation lever 24 and returned upward by a return spring 25, and the support rod 21 is configured to be lowered by an operating lever 24 and returned upward by a return spring 25. The manual handle 6 has its left and right lower portions tiltably fixed to the handle support frame 19, and has an engaging portion 2 at the lower portion of the handle 6 for holding the support rod 21 in the lowered position when the handle 6 is tilted.
7, and the support rod 21 is configured to hold the handle 6 in an upright position in a non-rotatable manner in the raised position.

In the above configuration, after the handcart 3 is positioned by the positioning means A as described above, when the operation lever 24 is lowered by stepping on the operation lever 24, the support rod 21
Then, the lock pin 22 descends and fits into the engagement part 23 on the support body 2 side, and the handle 6 becomes tiltable. When the handle 6 is tilted, the support rod 21 engages with the engagement part 27. , this support rod 21 is prevented from rising, and thus the lock pin 2
2 remains fitted into the engaging portion 23, and the push cart 3 is fixed at a predetermined position.

Next, when the manual push handle 6 is returned to the upright position from this state, the support rod 21 is disengaged from the engagement portion 27 and becomes free, so that it is raised by the return spring 25 and the lock pin 22 is engaged. At the same time as it is removed from the joint 23, the support rod 21 comes to be located laterally at the bottom of the handle 6, and
This prevents the container from tilting, thereby making it possible to transport it again.

Next, the stopping means C of the illustrated transport/station device has the claw-shaped portion 28 as a rotating piece 29 configured to be able to protrude upward from the lower side of the loading portion 4 of the handcart 3. Connect piece 29 to wire device 30
This wire device 30 is configured to be operated by a manual handle 6 which is configured to be tiltable as described above, so that the wire device 30 can be operated by hand by tilting the handle 6 as described above. When fixing the push cart 3 in a predetermined position, the rotating piece 29 is simultaneously rotated by the wire device 30 and the claw-shaped portion 28 is rotated by the wire device 30.
is lowered and the stop is released, and the handle 6
When returning to the upright state, the claw-like portion 28 is simultaneously raised to bring it into a stopped operating state.

Next, the loading section 4 of the handcart 3 of the illustrated transport and station device is composed of free rollers 31, and the transported objects 5 on the free rollers 31 are transported by a push pull slide fork provided on the automatic guided vehicle 7. It can be transferred by 32.

In addition to the configurations of the above-described embodiments, the specific configurations of the fixing means B, the stopping means C for the transported object 5, and the loading section 4 in the positioning state can be configured as appropriate.

(Effects of the Invention) As described above, the present invention allows the handcart to be accurately positioned and fixed to the positioning support installed at a predetermined position on the floor of a factory etc. using the positioning means. The trolley can be used as a station for automated guided vehicles. Therefore,
The handcart itself can transport objects from the manufacturing process to the stations, eliminating the need for conveyors and drum lifters as in the past, significantly reducing the space and costs required. Handling operations are easier, cleaning is easier, and the station position can be easily changed by simply changing the installation position of the positioning support, providing a higher degree of freedom than before. There is an effect.

[Brief explanation of drawings]

Figures 1a, b, c, and d are explanatory diagrams showing the basic concept of the present invention, and Figures 2a and b are respectively an explanatory plan view and an explanatory side view of the positioning support,
Further, FIGS. 3a, b, and c are an explanatory plan view, an explanatory side view, and an explanatory front view, respectively, showing the positioning operation of the handcart, and FIG. 4 is an explanatory perspective view of the fixing means, FIG. 5 is an explanatory enlarged side view of the stop means. Code 1...floor, 2...positioning support, 3...
Transport handcart, 4... Loading section, 5... Transported object,
6...Handle for hand pushing, 7...Automated guided vehicle, 8...
... Loading part, 11, 12 ... Engagement part, 13 ... Taper part, 14 ... Guide member, 15 ... Contact member,
16... Front guide roller, 17... Rear guide roller, 18... Contact portion, 19... Handle support frame, 20... Guide groove, 21... Support rod, 22...
Lock pin, 23... engaging portion, 24... operating lever, 25... return spring, 27... engaging portion, 28...
...Claw-like portion, 29...Rotating piece, 30...Wire device, 31...Free roller, 32...Push-pull slide fork, A...Positioning means, B
...Fixing means, C...Stopping means.

Claims (1)

[Scope of Claims] 1. Consisting of a positioning support installed at a predetermined position on the floor of a factory, etc., and a handcart for transportation, a positioning means linked to the support and the handcart, respectively, and a positioning state. and fixing means in the
A means for stopping the transported object is provided in the loading section of the handcart, and the positioning means includes a first engagement section with a narrow width on the front side and a second engagement section with a wide width on the rear side on the support side. It consists of a guide member consisting of an engaging part and a tapered part between them, and an abutting member protruding above the guide member, and on the handcart side, the second engaging part a pair of widely spaced left and right front guide rollers capable of pinching the first engaging portion; a narrowly spaced left and right rear guide roller capable of pinching only the first engaging portion; and an abutting portion abutting the abutting member. A transportation and station device characterized by being composed of. 2. The fixing means engages a lock pin protruding from the bottom of a support rod that is movably supported vertically by a guide groove between the handle support frames provided on the left and right sides of the rear side of the handcart. The support bar is lowered by an operating lever and returned upward by a return spring, and the hand handles of the hand trolley are located at the lower left and right sides. is tiltably fixed to the handle support frame, an engaging portion is formed at the lower part of the handle for holding the support rod in the lowered position when the handle is tilted, and the support rod is fixed to the handle support frame in the raised position. 2. The transport/station device according to claim 1, wherein the transport/station device is configured to hold the device in an upright position and not to rotate. 3. The stopping means is configured as a rotating piece with a claw-like portion capable of protruding upward from below the loading portion, and the rotating piece is operated by a wire device, as claimed in claim 1. The described transport and station device. 4. The conveyance/station device according to claim 1, wherein the loading section is composed of free rollers.