JPS6265807A - Transport device travel guide device - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application The present invention relates to a non-contact guide device for a traveling frame that eliminates or suppresses single strokes in a clean room or the like to move articles. It is.

BACKGROUND TECHNOLOGY AND PROBLEMS Conventionally, as an article transfer device in a clean room, a moving body is provided on a guide rod via a bearing, and an attachment suitable for transferring articles is provided on the moving body on the road.

For this reason, dust may be generated due to wear of the article on the friction surface between the guide rod and the movable body, or dust may be generated from the moving means of the movable body.

For this reason, there was a problem that it was not suitable for use in a high-grade clean area within a clean room.

The present invention uses a floating core to levitate the running frame with respect to the fixed air thrown along the running rail and the guide rail, and a static pressure slider.

Alternatively, the object is to move the object without contact by guiding it with a horizontal guide using magnetic action.

Means for solving the problem: A transport device that can move freely over a predetermined section along traveling rails arranged over an article transfer range; with a running frame.

A magnetic levitation device that performs contactless levitation by the magnetic repulsion of a fixed core and a floating core is disposed between the rails arranged in the running direction, and a magnetic levitation device is disposed on the guide rail side t provided along the running rail. It is characterized by the provision of a static pressure slider to ensure stable running of the running frame.

Further, a fixed core is provided between the traveling frame and the side surface of a guide rail provided along the traveling rail.

A magnetic guide is provided to form a predetermined gap using the magnetic repulsion of the floating core to ensure stable running of the running frame.

Example The present invention will be explained below based on examples shown in the circuit.

FIG. 7 is a front view showing an embodiment of Wg/ when used in a transfer device, FIG. 8gJ is a side view of the same, and FIG. 3 is a plan view of the same. In the figure, L is a storage shelf that stores items in multiple stages.
In the illustrated practical example, a running rail is laid on the floor between opposing storage shelves, and a running cable is strung along the running rail and over the entire length of the rail, and this cable is driven. Drive in the old direction or reverse direction with wave @3. Further, a traveling frame 1 is disposed on the traveling rail, and a portion of the cables are latched to this traveling frame, and the seven traveling frames are moved forward or backward by driving the cables.

There is a fear of magnetic levitation between this running frame and the running rail! can be thrown. This is a permanent magnet that runs along the entire length of the rail on both sides of the running rail. /b and multi-strand fixed core j/.

! / into the running rail directly below the running frame.
Floating core jJ facing the upper front.

! J is used to levitate the traveling frame without contact by the magnetic repulsion force generated by the fixed core and the floating core, and at the same time, the traveling frame is moved by driving the @ki cable. This floating core, fJ, is a fixed core in which magnetic bodies j and permanent magnets jJb are arranged alternately, and the pitch of the magnetic bodies 6J3 is multi-striped!
This floating core is integrated with the pitch of /! The magnetic levitation device has sunk into the lower surface of the lifting frame 4 as shown in detail in FIGS. 4 and 5! ! bolted or otherwise secured to the inner surface of the housing 6.3. This opposing fixed core magnetic material! /1 (protrusion) and the magnetic body 1 (protrusion) of the floating core are arranged to face each other,
Then, the magnetic force of the number of protrusions is appropriately determined so that this strong change in Qi is necessary to levitate the entire lifting frame. In addition, when the traveling frame is levitated by the magnetic repulsion between both cores, that is, traveling in a non-contact manner with the traveling rail, the pitch between the two cores is maintained accurately, and the guide rail is used to stabilize the transport of the traveling frame. A static pressure slider is used. This can be done by laying a guide rail t on top of the running rail along the rail, or by using some other method to arrange it along the running rail. for example@! When the slider 7 is installed on the side surface of a running rail as shown in the figure, the static pressure slider 7 is disposed opposite to the side surface of the running rail, which is shaped like a square pipe or has a flat side surface. Of course, this static pressure slider faces the guide rail measurement.

and static pressure sliders so that they do not touch each other.

A minute gap is formed between the guide rails.

Compressed air or clean compressed air is blown into this gap from the static pressure slider side. This static pressure slider 7 is provided on the inner surface of the housing jJC.

Arranged laterally than the floating core. A static pressure rider 7 and a fixed core are attached to this guide rail.

The floating core allows the traveling frame to travel while being guided by the traveling rail in a non-contact manner.

A support l/ is erected on the traveling frame l.

A plurality of cables r are suspended from the top of this support.

Lock the lifting frame to the lower end of this cable.

The lifting frame is raised and lowered by winding and unwinding the cable t, and the idle rod F1.
The input/output frame /σ is arranged via this guide Pj.
will be established.

And this entry/exit frame is a guide rod? 4t is carried out by a linear step motor 11, and a fork/θA for supporting the article is rotatably provided on the entry/exit frame.

In the traveling device configured as described above, the traveling frame floats due to the magnetic repulsion between the fixed core and the floating core. Then, by blowing out clean air from the static pressure slider, an equal minute spacing is maintained on both sides of the F rail, and by driving the cables, the traveling frame floats up and is pulled by the cables and moves. .

@Figure 4 shows the second embodiment when used in a transfer device.
E view, @7 figure is the ipsilateral f threshold, and the second figure is the same plan view.
In the figure, L denotes a storage shelf for storing items in a multi-throw type. A traveling cable is stretched over the entire length, and the drive device J drives the cable in the forward or reverse direction. Further, a running frame 4 is disposed on the running rail, one of the cables is locked to this running frame, and the running frame is moved forward or backward by the hook O of the cable.

There is a magnetic levitation device between this running frame and the running rail.
will be established. This is a multi-strand fixed core in which magnetic materials J/@ and permanent magnets JOB are alternately arranged on both sides of the running rail over the entire length of the rail! /.

j/ and attach this running rail/ to the bottom of the running frame.
5 floating cores facing the top surface.

A magnetic repulsion force generated by the fixed core and the floating core causes the traveling frame to float without contact, and the recording wires are driven to move the traveling frame. This floating core is magnetic! J21 and permanent magnet! The pitch of the magnetic bodies J'Ja is the same as the pitch of the multi-strand fixed core j/, and the floating core j is shown in detail in Figures D and 1σ. The housing jJ of the magnetic levitation device protruding from the lower surface of the elevating frame (fixed to the inner surface of the housing jJ with two bolts or other methods. The magnetic body j/@ (protrusion) of the opposing fixed core and the The magnetic body 3 (protrusion) is arranged to face each other.

The number of protrusions and magnetic force are appropriately determined so that the strength of this magnetic field is sufficient to levitate the entire lifting frame. In addition, when the running frame is levitated by the magnetic repulsion between the two cores, that is, when running in contact with the running rail, the pitch between the two cores is maintained accurately, and the transport of the running frame is stabilized. Guide rails and magnetic guide grooves are used. This magnetic guide is ¥[housing! It is disposed on the inner surface of the core C on the side of the floating core.

This is because the magnetic material f/
Multi-strand fixed core t with 5ζ alternate arrangement of a and permanent magnet ribs
A floating core t is provided on the lower surface of the running frame opposite to the measurement of this running rail l, and a fine core is formed so as not to come into contact with the mutual bl due to the magnetic repulsion of the fixed core and the floating core. A gap is formed. As for the strength of this jig, the number of protrusions and the force are appropriately determined so that a predetermined gap is formed.

With this magnetic levitation device and magnetic guide, the traveling frame travels while being guided without contacting the traveling rail.

A support column is erected on top of the running frame q.

A plurality of cables t are hung from the top of this support.

Lock the lifting frame at the lower end of this cable.

4. The elevating frame is raised and lowered by returning one turn of the cable t, and the guide rod is parallel to the elevating frame.4.
This guidebook is designed with In and out via 7 rams 10
to help.

The movement of the loading/unloading frame 10 along the guide rod 1 is carried out by a linear step motor d, and four 470 people who support articles on the top of the loading/unloading frame are used to freely rotate.

In the traveling device described above, the traveling frame floats due to the magnetic repulsion between the fixed core and the floating core.

The magnetic guide maintains the same minute spacing directly on both sides of the guide rails, and by driving the cables, the traveling frame floats and is moved by being pulled by the cables.

According to the tree embodiment, this is done using an air levitation device and a magnetic guide, and permanent magnets are used in the floating and guiding parts of the running frame, so there is no need for compressed clean air, etc. The cost has an unnecessary effect apart from that of the first embodiment.

In addition, in each of the embodiments, the running frame was moved by being pulled by a cable, but the movement of the running frame is not limited to this, and the moving frame may be moved using a linear motor, a linear step motor, etc. It is also possible.

Furthermore, regarding the magnetic levitation and the magnetic guide, the present invention utilizes the mutual magnetic repulsion between the fixed side support and the moving side, so that the gap between the fixed side and the moving side varies from a predetermined gap. Even if something like this occurs, the vehicle automatically operates to balance the gap, so there is no need for complicated control to maintain a predetermined gap, and stable driving is possible.

Effects of the Invention According to the present invention, since a magnetic levitation device and a static pressure slider or a magnetic guide are provided between the traveling frame that is designed to be transported and the traveling rail, the traveling frame floats without contact, which can suppress the invention and guide the traveling frame. Stable running is possible with rails, static pressure sliders, or magnetic guides.

Also, since magnetic levitation or magnetism uses magnetic repulsion, 1! There are also effects that do not require simple control.

By the way, according to the @air levitation device and magnetic guide, since the parts are constructed using permanent magnets, there is no need for clean compressed air, etc., and there is also the effect that there is no need for running costs.

[Brief explanation of drawings]

1 to 5 show the first embodiment, and FIG. 1 shows the iEf
Figure 2 is a side view, Figure 3 is a front view, Figure 4 is an old view of the guide device, Figure 5 is the same side threshold, Figures 4 to 1θ
The figures show the second example, where the @ mark is a front view, Fig. 7 is a side view, Fig. R is a plan view, and Fig. 2 is an old surface flash of the id device. FIG. 70 is a side view of the same. l is the running rail, ko is the running cable, J is the drive device,
4 is a traveling frame, j is a magnetic levitation device, t is a guide rail, 7 is a static pressure slider, t is a cable, D is a lift frame, 10 is an entry/exit frame. Patent Applicant Hitachi Kiden Kogyo Co., Ltd. Agent Ike 1) All Raw Parts □ Outside / Name No. 1 @ Figure 3 Figure 4 Figure 9 Figure 711 Figure 8

Claims (2)

[Claims] (1) A transporting device that can move freely over a predetermined section along traveling rails arranged over an article transfer range, and a traveling frame capable of transporting goods along traveling rails arranged over an article transfer range. and a magnetic levitation device that performs contactless levitation by the magnetic repulsion of a fixed core and a floating core between the rails arranged in the running direction, and a side surface of a guide rail provided along the running rail. A traveling guide device for a conveying device, characterized in that a static pressure slider is provided at the top of the conveyor frame to ensure stable traveling of the traveling frame. (2) A transporting device that can move freely over a predetermined section along traveling rails arranged over an article transfer range, and a traveling frame capable of transporting goods along traveling rails arranged over the transfer range. and a magnetic levitation device that performs contactless levitation using the magnetic repulsion of a fixed core and a floating core between the rails arranged in the running direction, and a magnetic levitation device provided along the running frame and the running rails. 1. A traveling guide device for a conveying device, characterized in that a magnetic guide is provided between side surfaces of a guide rail to form a predetermined gap by the magnetic repulsion of a fixed core and a floating core to ensure stable traveling of a traveling frame.