JPH0413254B2 - - Google Patents

Description

Detailed Description of the Invention <> Industrial Application Field The present invention relates to a transfer technique for continuously transferring various articles, and more particularly to a transfer direction changing device for changing the transfer direction of articles.

<> Prior Art As a method for changing the direction of transport of articles, a device was developed in 1972 that uses a truck for loading articles and a cylinder, and changes the direction of the truck by expanding and contracting the cylinder.
This is shown in Publication No. 26676.

Furthermore, Japanese Utility Model Application Publication No. 50-49875 discloses a transfer device that transfers cargo using multiple sets of roller conveyors arranged in a horizontal formation and a cart that reciprocates between adjacent roller conveyor devices. Disclosed.

<> Problems with the prior art In the former device, since the cart is moved intermittently by the expansion and contraction operation of the cylinder, the cart must be kept on standby for a certain period of time when the cart arrives successively. It is not possible to perform continuous lateral movement.

In the latter case, since the entire travel path is constructed of roller conveyors, all the roller groups must be driven at all times, which is not only uneconomical but also prone to breakdowns.

If a part of the roller conveyor breaks down, there is an inconvenience that the entire operation must be interrupted.

<> Object of the present invention The present invention has been made in view of the above points, and its object is to provide a transport direction changing device that can continuously change the transport direction.

<> Configuration of the present invention Next, a transfer direction changing device according to the present invention will be explained with reference to the drawings.

(B) Overall configuration The transfer direction changing device shown in Figs.
a lateral movement path 3 perpendicular to the lateral movement path 3; a drive switch mechanism that is disposed on the lateral movement path 3 and starts driving the lateral movement path 3 when the cart 1 reaches the lateral movement path 3; The trolley 1 is configured with a reverse rotation mechanism that starts running the trolley 1 in reverse when it reaches the end of the lateral movement path 3.

The travel path 2 consists of an outbound road surface 22 and a return road surface 23, which do not themselves carry loads.

The lateral movement path 3 is constituted by a group of rotatable rollers, and connects the outbound road surface 22 and the return road surface 23 in a direction perpendicular to the travel path 2.

Each part will be explained in detail below.

(b) Truck (Figures 1 and 2) The truck 1 is an H-shaped frame made of steel, for example.

That is, in the trolley 1, a right side frame 11 and a left side frame 12 are connected by a cross member 13, and a pedestal 17 on which articles are placed is installed on top of the cross member 13.

In addition, a cylindrical roller rotating on an average axis is installed on the cross member 13 of the truck 1 for each frame 11,
These rollers are installed at both ends of the roller 12, and are called a front roller 14 and a rear roller 15.

Each of the frames 11 and 12 is, for example, a prismatic body, and the lower outer side thereof is recessed to form a guide portion 16.

Further, the trolley 1 is configured to rotate the rollers 14 and 15 by a separate mechanism in the frame 17 so as to move forward.

Further, on the side of the cart 1, the cart 1 is moved laterally by a certain distance by a lateral movement path 3, which will be described later.
A reverse rotation mechanism 18 is provided which rotates both rollers 14 and 15 in the reverse direction in conjunction with the reverse rotation mechanism receiver 35 that comes into contact with or approaches.

(c) Running path The running path 2 is the road surface on which the bogie 1 runs.

A guide 21 for guiding the cart 1 is installed on the road surface.

The guides 21 are, for example, a plurality of cylindrical bodies erected from the running path 2.

The height is such that the cart 1 can travel while receiving the guide 21 at the guide portion 16.

Further, the guides 21 are arranged in three rows in parallel on the travel path 2 in a direction orthogonal to a lateral movement path 3, which will be described later, to divide the travel path 2 into an outbound road surface 22 and a return road surface 23.

The distance between the guides 21 in each row is shorter than the distance between the front roller 14 and rear roller 15 of the truck 1.

Furthermore, the interval between each row is 1 on both frames of trolley 1.
It is assumed that the number is approximately equal between 1 and 12.

That is, the trolley 1 has its respective frames 11, 1
The intervals between each row of guides 21 are set so that the guides 21 are received one after another at the guide portion 16 of No. 2 and the vehicle travels in a fixed direction.

(d) Lateral movement path The lateral movement path 3 has an outbound road surface 2 at the tip of the travel path 2.
2 and the return road surface 23.

The total length thereof is equal to the width of the running path 2 in the transverse direction.

A plurality of lateral movement rollers 31 rotating on an axis in the direction in which the truck 1 travels on the travel path 2 are arranged on one plane.

Each lateral movement path roller 31 rotates in a fixed direction and moves the cart 1 riding on the lateral movement path 3 in a certain direction.

The upper surface of the lateral movement path 3 consisting of the lateral movement path rollers 31 is configured to be slightly higher than the travel path 2.

A tapered part 33 is provided in a conical shape at the tip of each roller 31 on the traveling path 2 side so that the cart 1 can easily run onto the lateral movement path 3.

Further, a front wall 34 is provided on the side of the lateral movement path 3 opposite to the travel path 2.

Then, a drive switch mechanism 32 is installed which starts the rotation of the lateral moving path rollers 31 when the cart 1 comes into contact with or approaches there.

Further, a reverse rotation mechanism receiver 35 is installed at the end of the lateral movement path 3 on the side where the truck 1 moves forward, which operates the reverse rotation mechanism 18 of the truck 1 when the truck 1 comes into contact with or approaches the truck 1.

Next, the driving state of the transport direction changing device of the present invention will be explained.

(a) Traveling on the outbound road surface (Fig. 3) The bogie 1 travels on the outbound road surface 22 side of the travel path 2 toward the lateral movement path 3 by a separate mechanism.

At this time, the guide portion 16 of each frame 11, 12
By contacting each guide 21 one after another, the carriage 1 is guided in a direction perpendicular to the lateral movement path 3.

(b) Drive of the lateral movement path (Fig. 4) The advancing truck 1 rides onto the lateral movement path 3 from the tapered portion 33 of each lateral movement path roller 31,
Move forward further.

At this time, each lateral movement path roller 31 is not rotating.

The drive switch mechanism 32 for the lateral movement path 3 of the truck 1
When it comes into contact with or approaches the drive switch mechanism 32
act, each lateral movement path roller 31 rotates in a fixed direction, and moves the trolley 1 laterally.

At this time, the rollers 14 and 15 of the truck 1 continue to rotate in the forward direction, but the truck 1 moves laterally while its front portion remains in contact with the front wall 34.

(c) Advancement to the return road surface (Fig. 5) When the trolley 1 moves in a certain direction due to the rotation of the lateral movement path roller 31 and comes into contact with or approaches the tip of the lateral movement path 3, a reverse movement installed there The rotation mechanism receiver 35 and the reverse rotation mechanism 18 installed on the side of the trolley 1 work together to rotate each roller 14, 1 of the trolley 1.
5 rotates in the opposite direction.The cart 1 moves on the return road surface 23 of the travel path 2, changing the forward direction and the transport direction.

At this time, each guide 21 is connected to each frame 11,
Determining the traveling direction of the truck 1 via the 12 guide portions 16 is the same as when the truck 1 moves forward on the outbound road surface 22.

(D) Other Embodiments In the embodiments described above, the road surfaces of the travel path 2 and the lateral movement path 3 are slightly stepped, but it is also possible to form both surfaces on the same surface.

In this case, the running path 2 of each lateral moving path roller 31
The tapered portion 33 provided on the side becomes unnecessary.

<> Effects of the Invention Since the transport direction changing device of the present invention is as described above, the following effects can be expected.

(b) The guide section of the cart moves one after another between the guides installed parallel to each row on the running path toward the lateral movement path. Can move at right angles.

(b) When the cart comes into contact with or approaches the drive switch mechanism installed on the lateral movement path, the lateral movement roller starts driving, and the reverse rotation mechanism of the cart and the reverse rotation mechanism receiver of the lateral movement path are linked. By doing this, each roller of the truck rotates in the opposite direction, so the direction of the truck can be changed automatically.

(c) This device is highly versatile as it can be used as transfer devices in all fields.

(d) The device of the present invention is also characterized by the structure of the lateral movement device.

That is, the lateral movement device of the present invention is constituted by a plurality of self-propelled roller groups.

Therefore, it is possible to start driving immediately upon arrival of the truck, and there is no need to wait for the truck to start driving.

In some conventionally known devices, this lateral movement device is performed by a cylinder.

However, this method of transporting the cart by expanding and contracting the cylinder results in intermittent movement.

Therefore, when the carts arrive one after another, they must be kept on standby for a certain period of time.

Therefore, it is not possible to continuously move the cart laterally.

(e) The apparatus of the present invention is constructed so that only lateral movement, which is particularly likely to cause trouble in movement, is performed by the roller group.

Since lateral movement is performed by driving the rollers, there is no need for waiting time even if the cart moves continuously, and unlike conventional devices, the lateral movement part restricts the overall movement speed. An uneconomical problem has been solved.

(F) Furthermore, in the device of the present invention, the roller driving portion is kept to a minimum, consisting only of the lateral moving portion.

The rest of the road is simply a road surface made of steel plates and concrete, making it extremely economical.

Some conventionally known devices are constructed entirely of roller conveyors.

Such a device requires continuous driving of all roller conveyors at all times, which is not only uneconomical but also prone to breakdowns.

If one part of a roller conveyor breaks down, the entire operation will be interrupted.

In the device of the present invention, since the truck itself can be driven, the road surface structure is extremely simple, and especially the longer the length, the greater the cost efficiency.

Furthermore, even if one truck breaks down, if only that one is removed, it will not affect the overall operation, and stable supply and operation can be achieved.

(g) Since the cart can be moved continuously without stopping the cart with the loaded items on it, there is no need to transfer the loaded items when changing the transfer direction.

[Brief explanation of drawings]

Figure 1: Perspective view of the transfer direction changing device, Figure 2:
Front view of the transfer direction changing device, FIGS. 3 to 5: Explanatory diagram of transfer direction conversion. 1: Trolley, 2: Running path, 3: Lateral movement path, 16:
Guide section, 21: Guide, 22: Outbound road surface, 23:
Return road surface, 31: Lateral movement road roller.

Claims (1)

[Scope of Claims] 1. A traveling path consisting of an outbound road surface and a return road surface that does not itself carry a loaded object, and a group of a plurality of rotatably driven rollers, said traveling path. A lateral movement path that connects the outward and return roads in a direction perpendicular to A transfer direction changing device comprising a drive switch mechanism that starts rotationally driving a group of rollers, and a reverse rotation mechanism that starts running the cart in reverse when the cart reaches the end of a lateral movement path.