JPH0820332A - Spiral conveying device for hanger trolley - Google Patents

Abstract

PURPOSE:To reduce the inclination of a hanger trolley and reduce the installation space of a device by forming the travel rail of the hanger trolley hanging and conveying a conveyed object with a horizontal rail and a vertical spiral rail connected to the horizontal rail. CONSTITUTION:A hanger article H is conveyed by a hanger trolley T traveled between the first and second stories. This device is provided with two lifting and lowering dedicated spiral conveying devices 11, and each device 11 is constituted of a hanging rail 21, a travel rail 22, a guide rail 23, and a bushed chain 24. The hanging rail 21 is formed with a round rod-like rail, and a lifting hanging rail 31 and a lowering hanging rail formed into a spiral shape and constituting part of the hanging rail 21 are supported on stanchions 35 erected on the floor F via hanging bars 37 protruded horizontally. The bushed chain 24 is provided with a bush formed with a conical face expanded with the inner periphery to the outside at both ends.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a spiral (helical) conveying device for raising and lowering conveyed articles, for example, hanger products, in a small space.

[0002]

2. Description of the Related Art Conventionally, as a transporting vehicle for suspending and transporting a hanger product which is handled as a product while clothes are suspended, a utility vehicle is disclosed in Japanese Utility Model Publication No. 5-37751 (Japanese Patent Application No. 3-92952) and Japanese Utility Model Publication No. There is a hanger trolley (not shown) as described in JP-A-37759 (Japanese Patent Application No. 3-92953).
The hanger trolley is pulled by a chain on a traveling rail and travels in, for example, a storage warehouse or a sorting center.

The hanger trolley may travel between different floors depending on the hanger product to be transported. In this case, the hanger trolley is hung on an elevator (lifting / transporting machine) and carried to a different floor, or is run on a running rail that is laid linearly across different floors. On the other hand, they are traveling between different floors.

[0004]

However, when the hanger trolley is carried to different floors by an elevator, other hanger trolleys cannot be carried to different floors while the elevator is moving up and down, resulting in intermittent transportation. You must set the waiting time for the trolley. Therefore, there is a problem that the traveling control of the entire hanger trolley becomes complicated. In addition, when transporting a hanger trolley by an elevator, a transfer device for transferring the hanger trolley to and from the elevator must be installed on each floor, which causes a problem that the structure of the running line of the hanger trolley becomes complicated. are doing.

When the hanger trolley is carried by a traveling rail linearly laid across different floors, the gentler the inclination of the traveling rail is, the easier the traveling of the hanger trolley is. It has the problem of becoming longer. On the contrary, if the inclination of the traveling rail is made tight in order to shorten the traveling rail, another problem that it becomes difficult to transport the hanger trolley occurs.

[0006]

According to the present invention, firstly, a traveling rail of a hanger trolley for suspending and transporting an article is a horizontal rail and a vertical spiral shape connected to the horizontal rail. Secondly, the spiral transport device formed by the rail and the vertical spiral rail connected to the horizontal rail for guiding and guiding the hanger trolley for suspending and transporting the transported object, and detachable from the hanger trolley. A bushing chain that has an engaging piece and that is guided by a spiral guide rail provided along the spiral rail to move to start running the hanger trolley, and the bushed chain,
The above-mentioned problems have been solved by a spiral conveying device having a bush formed with a conical surface whose inner peripheral surface expands outward at both ends.

[0007]

The hanger trolley of the first spiral transfer device spirally travels vertically on the travel rail.

The hanger trolley of the second spiral transporting device is hung on the hanger product or left empty, and is pushed or pulled by the engagement piece of the bushed chain in a spiral vertical direction on the traveling rail. To run. The engagement piece is engaged with the hanger trolley so that the hanger trolley does not move downward due to its own weight when the hanger trolley moves upward. Further, the engagement piece engages with the hanger trolley so that the hanger trolley does not descend and travel earlier than the bushed chain due to its own weight when the hanger trolley descends. The bushed chain travels while being guided by guide rails. The inner peripheral surface of the bush of the bushed chain is formed into a conical surface. Therefore, the bushed chain is allowed to be twisted when circularly moving in a spiral shape.

Since the hanger trolleys of the first and second spiral transfer devices are designed to descend or rise spirally, the inclination of the hanger trolley and the installation space for the spiral transfer device can be reduced.

[0010]

Embodiments of the present invention will be described below with reference to FIGS. The spiral conveyor is installed on the first floor,
It is a device for transporting hanger products by a hanger trolley T traveling between the first floor and the second floor. In FIG. 1, the spiral transfer device 11 on the right side is a spiral transfer device dedicated to ascending, and the spiral transfer device 12 on the left side.
Is a spiral transport device dedicated to descending.

A hanger trolley transfer system 10 is formed by the two spiral transfer devices 11 and 12 exclusively for raising and lowering. The hanger trolley T is a known hanger trolley in which a plurality of hanger products H are hung, and has rollers (not shown) that travel on the travel rails 22.

The spiral transfer system 10 is composed of a suspension rail 21, a traveling rail 22, a guide rail 23, a bushed chain 24 and the like. The suspension rail 21 is a rail for suspending a traveling rail 22 and a guide rail 23 described later. The suspension rail 21 is the suspension suspension rail 3 for rising.
1, a horizontal suspension rail 33, and a descending suspension rail 32 are connected to each other by one round bar-shaped rail.
Ascending suspension rail 31 and descending suspension rail 32 are on the floor F.
It is attached to the hanging bars 37 and 38 which are horizontally projected from the columns 35 and 36 which are erected in the vertical direction, and is formed in a spiral shape in the vertical direction.

The traveling rail 22 is a rail for guiding the hanger trolley T in traveling. The traveling rail 22 is composed of one round bar-shaped rail in which the ascending traveling rail 41, the horizontal traveling rail 43, and the descending traveling rail 42 are connected to each other. The ascending traveling rail 41 and the descending traveling rail 42 are the brackets 4 attached to the suspension rail 21.
It is suspended in parallel with the suspension rail 21 by 4, 45 and is formed in a spiral shape in the vertical direction.

The guide rail 23 is a bushed chain 24.
It is a channel-shaped rail for driving and guiding. The guide rail 23 is also attached to the suspension rail 21 by the brackets 44 and 45.
It is hung in parallel with and is formed in a spiral shape. A cover 54 having a circular cross-section in the width direction is attached to the lower portion of the guide rail 23. Guide rail 23
Inside is the bushed chain 2 supported by the traveling roller 61.
4 is designed to move. The guide roller 62 of the bushed chain 24 runs through the gap S1 in the channel shape of the guide rail 23.

Bushed chain 24 (see FIGS. 4 and 5)
Is a conical surface that expands the inner peripheral surface 70 outward at both ends, and bushes 64 into which the inner link plates 63, 63 are press-fitted at both ends, a connecting pin 65 that penetrates the bush 64, Outer link plate 6 press-fitted in the middle
6, 66, a guide roller 62, and traveling rollers 61, 61 rotatably provided at both ends of the connecting pin 65. A gap S2 is formed between the inner and outer link plates 63 and 64. The guide roller 62 is provided on the support plate 67.

The support plate 67 includes a plurality of inner link plates 6
Among the three, a plurality of inner link plates 63 are provided so as to extend over the lower edges of the inner link plates 63 and to be bent over to a bending piece 68 which is horizontally bent in a direction away from each other. Support plate 67
A rotary shaft 69 of the guide roller 62 is provided so as to project upward. An engagement piece 25 is provided on the lower surface of the support plate 67.

The bending piece 68, the support plate 67, and the engaging piece 25 are
It is located below the lower surface of the guide rail 23 and is covered with a cover 54. The engagement piece 25 is a bushed chain 24.
Has a length that horizontally extends from the side of the cover 54, protrudes to the outside of the cover 54 from a gap S3 between the cover 54 and the guide rail 23, and contacts the hanger trolley T.

Next, the operation will be described. Hanger trolley T
Drive chain 71 on the horizontal traveling rail 43 on the first floor
The hanger product H is hung and travels to the entrance of the ascending travel rail 41 by being pushed by. Hanger trolley T
Is pushed by the engaging piece 25 of the bushed chain 24 that is circulatingly guided by the guide rail 23 and spirally rises on the ascending travel rail 41. Since the hanger trolley T is pushed by the engaging pieces 25 and ascends, it does not descend due to its own weight.

The bush 64 of the bushed chain 24 is formed as a conical surface that expands the inner peripheral surface 70 to the outside on both ends, and a gap S2 is formed between the inner and outer link plates 63, 66, so the bush 64 is formed. The chain 24 can be spirally circulated and moved in a twisted state.

The engagement piece 25 that pushes up the hanger trolley T to the second floor is separated from the hanger trolley T because the bushed chain 24 is circularly moved. The hanger trolley T moves onto the horizontal traveling rail 43 on the second floor and is pushed by the drive chain 72 to travel on the second floor. The hanger product H hung on the hanger trolley T is sorted and unloaded while the hanger trolley T is traveling on the second floor. The empty hanger trolley T is kept traveling by the drive chain 72 and travels to the entrance of the descending traveling rail 42.

Thereafter, the hanger trolley T slides down the descending traveling rail 42 by its own weight and reaches the first floor. Then, the hanger trolley T travels on the horizontal traveling rail 43 on the first floor by the drive chain 72, a new hanger product H is hung, and the bushing chain 24 is again suspended on the ascending traveling rail 41. Will be driven up by. In this way, the hanger trolley T circulates without stopping the first and second floors and conveys the hanger products.

In the above description, the hanger product H is hung on the hanger trolley T moving from the first floor to the second floor, and the hanger product H is hung on the hanger trolley T moving from the second floor to the first floor. No, but conversely, the hanger product H is on the hanger trolley T that moves from the first floor to the second floor.
The hanger product H may be hung on the hanger trolley T moving from the second floor to the first floor without being hung. Alternatively, the hanger product H may be hung on the entire hanger trolley T.

Further, the spiral conveying device 12 on the left side in FIG. 1 includes a descending traveling rail 42 and a descending suspending rail 3.
However, it is also possible to provide a chain and a guide rail (not shown) of the chain, and guide the running of the hanger trolley T by the chain (not shown). In this case, the engagement piece provided on the chain and engaged with the hanger trolley can prevent the hanger trolley from being accelerated by the weight of the hanger and not descending.

As the chain in this case, a bushed chain similar to the spiral conveying device 11 on the right side in FIG. 1 or a known universal chain is used. Furthermore, the spiral transfer device 1 on the left side in FIG.
By providing the chain and the guide rails of this chain in 2, the left side spiral transfer device 12 in FIG. 1 can be used for raising, and the right side spiral transfer device 11 can be used for lowering.

[0025]

Since the hanger trolley according to claims 1 and 2 travels on the vertical spiral rail, when transferring from the horizontal rail to the vertical direction, the transfer machine is used to transfer an object to be transferred in the conventional manner. It is possible to carry out horizontal and vertical transport with a series of transport devices without transferring them with the lifting transport device. Further, since the hanger trolley travels in a spiral shape, it is possible to reduce the installation space for the spiral conveyor even if the slope is gentle. And when the slope is gentle, the inclination of the hanger trolley decreases,
There is almost no overlap between the hanger products hung on the hanger trolley. Therefore, when unloading the hanger products from the hanger trolley, the hanger products do not get caught on each other, and the hanger products can be unloaded smoothly. In the bushed chain for driving the hanger trolley of claim 2, since the inner peripheral surface of the bush is formed as a conical surface whose diameters expand outward at both ends, the bushed chain bends three-dimensionally even when traveling inside the spiral guide rail. When the spiral rail is raised or lowered, the hanger trolley can be positively engaged to prevent the hanger trolley from running away, and the speed of the hanger trolley can be controlled by the circulating movement speed of the chain.

[Brief description of drawings]

FIG. 1 is a schematic front view of a spiral carrying device according to an embodiment of the present invention.

FIG. 2 is a schematic plan view showing a bushed chain and a traveling rail in FIG.

FIG. 3 is a perspective view of a suspension rail, a traveling rail, a guide rail, and a bushed chain.

FIG. 4 is a side view of the bushed chain, a part of which is shown in a cross section taken along the connecting pin.

5 is a left side view of FIG. 4. FIG.

[Explanation of symbols]

T Hanger trolley 11,12 Spiral transfer device 22 Traveling rail 23 Guide rail 24 Bushed chain 25 Engaging piece 41 Ascending travel rail (spiral rail) 42 Descent travel rail (spiral rail) 43 Horizontal travel rail 64 Bush 70 Inner surface

Claims (2)

[Claims] 1. A hanger characterized in that a traveling rail of a hanger trolley for suspending and transporting a transported object is formed by a horizontal rail and a vertical spiral rail connected to the horizontal rail. Trolley spiral conveyor. 2. A vertical spiral rail connected to a horizontal rail for guiding and guiding a hanger trolley for suspending and transporting a transported object, and an engaging piece for engaging with and disengaging from the hanger trolley. And a bushed chain that is guided by a spiral guide rail provided along the spiral rail to start running on the hanger trolley, and the bushed chain expands the inner peripheral surface to both ends outside. A hanger trolley spiral transport device characterized by having a bush formed on a conical surface.