JPH01249565A - Conveyer - Google Patents

Abstract

PURPOSE:To enable efficient conveyance to be attained by providing two conveying paths to be juxtaposed in each start-stop means and one of the conveying paths so as to be connected to a main conveying path being able to integrally reciprocate shifting, in the case of a device conveying an article of chart, chit, etc. to be contained in a case. CONSTITUTION:A moving table 40, formed by juxtaposing a main rail 41 and a spare rail 42 in a station starting and stopping a carrier 13 serving as the conveyer, is reciprocation movably provided in the rail in its width direction, and one of these rails 41, 42 can be interpolated in a guide rail 17 of a main conveying path 10. This reciprocating movement is performed by a sliding mechanism (not shown) containing a ball thread mechanism. The carrier 13 is constituted being provided with a mounting part 14 of a container case 1 containing an article 2 of chart, chit, etc., and the carrier is driven running by a linear induction motor comprising a secondary conductor 18 provided in a side of the carrier 13 and a primary conductor (stator) SN provided in a side of the main conveying path 10 with a predetermined space.

Description

[Detailed Description of the Invention] (Objective of the Invention) (Industrial Application Field) This invention is intended for use in general hospitals, etc., where medical records, slips, medicines, and other various items are stored in cases from a point to another. The present invention relates to a conveyance device that automatically conveys to a destination point, and particularly relates to a configuration for moving the case described in 1 above.

(Prior art) An article llI2lI2 system used in general hospitals etc. employs a linear induction motor in the main conveyance path, and runs a plurality of carriers carrying article storage cases on this main string conveyance path. A system in which a plurality of stations for transferring the above-mentioned cases are provided on the conveyance path, and the above-mentioned cases are conveyed from these stations to each room using a conveyance mechanism different from a linear transporter. i-1\
is proposed.

In this system, when transferring the above-mentioned cases between the carrier on the main transport path and the station, the carrier is stopped at the station position on the main transport path, and then the case is transferred from the carrier by a transfer gate in a continuous room. Ki↑ to or from the station? I was trying to move it to the rear and keep it going.

(Problem to be solved by the invention) In this system, a large number of 1-17
Run the rear. Therefore, in the conventional transfer method described above, when the carrier stops at the station station on the main conveyance path and transfers the case, other machines have no use for this station. Nevertheless, the driver has to wait behind the stationary carrier, resulting in a problem that the running efficiency of the rear wheel is reduced.

This invention was made in view of the above circumstances, and aims to provide a transport device that efficiently transfers Kyrelia to each station controller, thereby reducing waiting time for carriers and improving the efficiency of goods transportation. That is.

(Structure of the Invention) (Means for Solving the Problems) Therefore, in this invention, there is provided a transport body on which a +19 object to be transported is mounted, a transport path 119 on which this transport body travels, and a transport system running on this transport path H9. A plurality of start and stop means (stages) for starting and stopping the transport body, and a starting point 31 from the back of the 1jp transport path.
In addition to providing a spare 1jυ feed route parallel to the part of the If feed route where the first stage (station) of f stop is located,
A reciprocating movement in which the preliminary conveyance path and the conveyance path beside the preliminary conveyance path are integrally moved and the preliminary IFR conveyance path is interpolated to the conveyance path beside the preliminary 1!9 conveyance path. 1lIi
It is recommended that a transport path moving means capable of IT be provided for each of the plurality of northward stopping means.

(Function) For clothes, two transport paths are arranged in parallel at each station, and one of these two 119 transport paths is connected to a transport path (wood FAMfi transport path) that connects each station. Therefore, when the conveyance body 119 stops on one conveyance path 1J, the conveyance path moving means connects the other empty one-way conveyance path to the main conveyance path. As a result, even if the conveyance body is stopped at the station where the conveyance body is located, the other conveyance path becomes empty and it is connected to the other station via the main FA conveyance path. Waiting time can be reduced.

(Example) This invention will be described in detail below according to an example shown in the accompanying drawings.

FIG. 2 shows the overall system configuration when the transport system of the present invention is applied to a general hospital, where the main transport path 10 runs above each floor, such as inside the ceiling or under the ceiling. This main transport path 10 includes a medical affairs section, an internal medicine department, a pediatric department,
A plurality of branch conveyance paths 20 extending in the -F downward direction are branched along the inner wall surface of each department such as surgery and dentistry, and these branch +tU conveyance paths 20 are used to move the storage case to an easily operable position on the floor of each department. 1 is being transported. As shown in FIG. 1, the storage case 1 is for storing and transporting articles 2 such as medical records, slips, ringers, etc., and the outer shape of the storage case 1 is the same regardless of the type of the articles 2. but,
Its interior is shaped to accommodate 1J of articles.

As shown in FIG.
[-A large number of stators SR and SN are scattered at predetermined intervals, and these stators SR and SN accelerate, decelerate, stop, and start a plurality of carriers provided with secondary conductors. There is.

However, among these stators SR and SN, it is the stator SR that functions as a station for starting and stopping the carrier.

Of the SNs, only the stator SN is disposed at the branch position of each branch conveyance path 20, and the other stators SR only perform the operation of accelerating and decelerating the carrier.

Ki↑! As shown in FIGS. 3 and 1, the rear 13 has a mounting portion 14 for the storage case 1, and three wheels 16 are provided at four locations on the front, rear, left, and right via support members 15.
By means of these wheels 16, the guide rail 1 of the main conveyance path 10 is
7 so that it can run freely.

The carrier 13 is transported by a linear induction motor consisting of a secondary conductor 18 provided on the carrier 13 side and the plurality of stators SR and SN, which are primary conductors, provided on the main transport path 10 side at a predetermined interval r,'. This is done using the . That is, the stators SR and SN are energized and driven by a power supply device (not shown) to apply a magnetic flux that changes with time to the secondary conductor 18, and this change generates a constant propulsive force or reverse propulsive force in the secondary conductor 18. The carrier 13 is then moved and stopped. Note that 21 is a casing that covers the main conveyance path 10, and this casing 21 consists of a lower case 21a and an upper case 21b that is detachable from the lower case 21a so that inspection and maintenance can be easily performed. .

Further, as shown in FIG. 1, the carrier 13 has a substantially inverted holding frame portion 318.31b that restricts the storage case 1 in the front-rear direction and the up-down direction along the moving direction of the carrier 13. The case 1 is attached to the holding frame parts 31a and 31b of the case 1.
Approximately U-shaped wire rods 32a and 32b are provided to fix the wires so that they do not come out from the left and right during transportation.

The ends of each of these wire rods 32a and 32b are bent downward and are rotatably attached around a support shaft 33.

A spring 34 is attached to each of the wires 4432a and 32b, and these springs 34 cause the wire rods 32a and 32b to contact the stopper 35, that is, the wire 4 (32'a
, 32b so that the bent ends of the film material 32 protrude downward from the upper plates of the holding frames 31a and 32b (indicated by solid lines).
a and 32b are energized.

Next, the configuration of the station portion where the rear 13 of the gear 17 stops and starts will be explained with reference to FIGS. 4 and 5 in addition to FIG. 1.

In these figures, two guide rails 41 and 42 are arranged in parallel on the movable table 40, and the movable table 40 is connected to the J slide mechanism 50 shown in FIGS. Direction (arrow F.

It is possible to move back and forth to F'). That is, the first
In 1, the main rail 17 that connects each station is connected by a spare rail 42, and the carrier 13 is waiting on the main rail 41. By sliding the table 40 in the direction of arrow F', It is also possible to interpolate the main rail 41 to the main rail 17. In this case, carrier 13 is launched.

The controller SN that is not to be stopped is arranged only on the main rail 41 side.

One slide structure 50 is shown in FIGS. 4 and 5 (G in FIG. 4).
Place the rail 4 on the base 51 so that it faces the
1. Two slide guides 52* in the width direction of 42
A plurality of rollers 54 are arranged in a row on both sides of these slide guides 52.53, and the table 40 is externally fitted onto the slide guides 52.53 via these rollers 54.

A nut 55 is provided at the center of the upper surface of the table 40, and a shaft 56 is fitted into the nut 55 with a number of balls (not shown) interposed therebetween, forming a so-called ball screw structure. There is. The shaft 56 is supported by support plates 57 and 58 provided on the bail 51, and a motor 59 is connected to the shaft 56.

In other words, the rotation of the motor 59 is transmitted to the nut 55 via the shaft 56, so that the table 40 is rotated between the shaft 56 and the slide guides 52 and 53 as shown by the arrow [,
It is configured to be able to freely move back and forth in the F' force direction.

Furthermore, as shown in FIG. 1, each station is provided with a case transfer mechanism 60 for transferring the storage case 1 between the carrier 13 on the guide rail 41 and the stage section 80 of the station. It is being

In the above-mentioned case transfer [tIvJ60, a guide shaft 61 is installed in a direction parallel to the moving direction of the table 40, and a movable member 63 equipped with a push-out plate 62 is attached to the guide shaft 61 so that it can be freely moved. I'm being kicked.

Also, the other side of this movable member 63 is a timing belt 6
4, and this timing belt 64 is connected to a pair of pulleys 65 disposed near both ends of the guide shaft 61.
．． 66. One pulley 6
6 is configured to be driven by a pulse motor 67 via a reduction gear train (not shown), and as the pulse motor 67 is driven, the movable member 63 to which the push-out plate 62 is attached moves forward in the direction of arrow FSF'. It is supposed to be done.

As shown in FIG. 4, the guide shaft 61 has a bow shape with both ends bent upward, and the movable member 6
A biasing body 68 that biases the push-out plate 62 downward by a spring is built in the push-out plate 62, and lowers the push-out plate 62 to a height position where the storage case 1 can be suppressed except at both ends of the guide shaft 61.

Furthermore, each station has a
Wire rod 32a provided on the 21 Yaria 13.

A pair of push-down bars 70 are provided to release the fixation of the case 1 by the case 32b as necessary. In other words, by lowering these pair of push-down rods 70 by a cylinder (not shown), the wire rods 32a, 32b are pressed against the spring 34.
The wire rods 32a, 3 are rotated against the urging force of the wire rods 32a, 3.
The wire rods 328 and 32b are displaced to the position shown by the two-dot chain line where the bent ends of the wire rods 2b do not interfere with the insertion and removal of the case 1.

In addition, the stage section 80 of each station where the cases 1 are loaded and unloaded is configured to buffer a plurality of cases 1, and the case 1 is moved downward to the stage section 80 by driving a case conveying roller 81. The case transfer unit 82 and the case transfer unit 82 are transported.

In such a configuration, when waiting for the arrival of the carrier 13, as shown in FIG. 4(a), the main rail 41
is connected to the main rail 17, and the spare rail 42 is empty. In this state, when the carrier 13 carrying the case 1 enters the main rail 41 and stops on this main rail 41, the motor 59 is driven, thereby moving the moving table 40 as shown in FIGS. 1 and 4(b). It moves to the position shown and then stops. As a result, the spare rail 42 is now connected to the main rail 17. Therefore, other keys ↑I rears can freely pass through the station.

On the other hand, when the moving table 40 moves to the position shown in FIG. 1 and stops, the step mower lower is driven.
By moving the movable member 63 in the direction of the arrow F, the storage cases 1 on the carrier 13 are unloaded onto the stage section 80 of the station by the pushing plate 62. Thereafter, the storage case 1 is transported 1112 by the transport roller 81 and lowered to the case transfer section 82.

Next, the operation when loading the storage case 1 onto the carrier 13 will be explained. At this time, if the key 1F rear 13 is not at the station, the table 40 is initially in the state shown in FIG. 4(a), and the main rail 41 is connected to the main rail 17. When the carrier 13 arrives, the table 40 is moved to the position shown in FIG. . In this state, it waits for the arrival of the storage case 1. The housing case 1 is shifted upward from the case transfer section 82 by a conveyance roller 81, and further conveyed to the position shown in FIG. 4(b) on the stage section 80, and then stopped. Step motor 6
7 is reversely driven, and the movable member 63 is moved from the right side of the storage case 1 in the direction of the force indicated by arrow F'.
The upper storage case 1 is loaded onto the carrier 13. When the storage case 1 is loaded onto the carrier 13, the motor 59 is turned on again.
is driven, and the table 40 moves from the position shown in FIG. 4(b) to the position shown in FIG. 4(a), and then stops. As a result, the main rail 41 on which the carrier 13 is stopped is connected to the main rail 17, and then the carrier 13 starts from the station to the desired station.

As described above, in this embodiment, two rails 41 and 42 of a predetermined length are attached to the moving table 40, and when transferring a case, the two rails 41 and 42 are moved back and forth by the moving cable 40. Since any one of the 42 rails is connected to the main rail 17, it is only the table 40 that prevents other carriers from passing through each station.
This occurs only when the carrier is moving, thereby reducing waiting time for the carrier and allowing efficient carrier transport. Moreover, in this embodiment, li! ;Since the movable table 40 is shifted horizontally instead of vertically, it is possible to slide guide rails on which heavy items such as linear It is suitable for this type of conveyance system where vertical dimensions are strictly restricted.

In addition, in the above embodiment, the starter S of the linear induction motor
Although the stator SN is provided only on the main rail 41 side, the stator SN is also provided on the other spare rail 42, and when the rear 13 is stopped on the main rail 41 of the station,
The stator SN of the spare rail 42 may be used to control the deceleration and acceleration of other carriers passing through the station.

Further, in this embodiment, the table 40 is shifted in the horizontal direction, but it may be shifted in the vertical direction.

(Effects of the Invention) As explained above, according to the present invention, two conveyance paths are provided in parallel at each station, and one of these two conveyance paths is connected to the main conveyance path that connects each stage controller. By making it possible to integrally shift the two transport paths back and forth, it is possible to reduce the waiting time for other carriers due to the transfer of cases, and as a result, it is possible to run many carriers on one transport path. However, efficient conveyance is achieved.

[Brief explanation of the drawing]

fI diagram is a perspective view showing the configuration of the main parts of an embodiment of the present invention, FIG. 2 is a schematic diagram showing the overall configuration of a transport system in a hospital to which the present invention is applied, and FIG. 3 is a main transport path. Show an example? l Schematic sectional view, Figure 4 (a), (b
) are conceptual longitudinal cross-sectional views showing the configuration of the main parts of the above embodiment, and FIG. 5 is a cross-sectional view thereof. DESCRIPTION OF SYMBOLS 1... Storage case, 2... Article, 10... Main conveyance path, 13... Carrier, 20... Branch conveyance path, 40
...Moving table, 41...Main rail, 42...
Spare rail, 50...slide fl! 11.51...
・Base, 54... Roller, 59.67... Motor,
60... Case transfer 1sxi structure, 80... Station stage section. Figure 3

Claims (1)

[Scope of Claims] A conveyor carrying an object to be conveyed, a conveyor path along which the conveyor travels, and a plurality of starting devices provided on the conveyor path for starting and stopping the conveyor traveling on the conveyor path. and a stop means, and transports the object between these start and stop means, wherein a preliminary transport path is provided in parallel with a part of the transport path where the plurality of start and stop means are located. are provided respectively, and the preliminary conveyance path is integrally moved and driven together with the conveyance path next to the preliminary conveyance path, and reciprocating movement is possible by interpolating the preliminary conveyance path to the conveyance path next to the preliminary conveyance path. A conveyance device, wherein a conveyance path moving means is provided for each of the plurality of start and stop means.