JPS6261483B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an automatic loading/unloading device that enables continuous energization testing (aging) of electronic devices such as printers and floppy disk drives.

Aging is essential for quality assurance in electronic equipment, etc., but aging yards require a large space, time management for a large number of test specimens is complicated, and loading and unloading work is troublesome. .

Particularly when aging electronic devices while storing them on a shelf, it is necessary to perform various operations and settings on the electronic devices while the electronic devices are placed on a narrow shelf, resulting in poor work efficiency. Furthermore, when the shelves are multi-tiered, the workability for high and low shelves is even worse.
Making the shelves wider or reducing the number of shelves to improve workability impairs space utilization efficiency.

The present invention was made in order to solve these problems, and it is possible to perform various operations and settings by supplying power to items stored on the shelf, such as electronic devices, on a transfer machine to the shelf. After that, the electronic equipment can be transferred to a shelf for aging without cutting off the power supply, or the electronic equipment that has been aged on the shelf can be transferred to a transfer machine, perform the necessary operations, and then the power supply can be cut off. The purpose of the present invention is to provide an automatic loading/unloading device with improved workability.

The present invention will be described below with reference to drawings showing embodiments of aging of a printer. The device of the present invention inputs a program that causes the printer to perform a predetermined test operation on the transfer machine so that signals can be easily exchanged with the control unit, and also allows the printer to input a program to perform a predetermined test operation on the transfer machine so as to easily transmit and receive signals from the transfer machine to the movable shelf. Even when the printer is running, the printer can be continuously energized, thereby eliminating the risk of the program being erased.

FIG. 1 is an overall external view of an embodiment of the present invention. In the figure, reference numeral 1 denotes a rotary movable shelf configured in multiple stages and rows, and a transfer machine 2 is arranged at the loading/unloading position of the rack. transported.
The printer 5 is equipped with a microcomputer system, and a program for test operation is input into its memory by the operator after being transferred to the transfer machine 2 and energized, and then transferred to the pallet 8 on which the printer 5 is placed. is stored at a predetermined shelf position on the mobile shelf 1 by the transfer device 2, and aged at that storage position for a predetermined period of time to test whether the printer 5 operates normally. It is taken out from the location by a transfer machine 2 and transported to a predetermined location by a trolley 4.

Figure 2 is an external view of movable shelf 1, and Figure 3 is movable shelf 1.
FIG. 4 is a partially cutaway schematic side view of one shelf row 11, FIG. 5 is a schematic cross-sectional view taken along the line - in FIG. FIG.

The movable shelf 1 has a large number of shelf rows 11, 11... arranged in parallel in the width direction, and on the lower surface of each shelf row 11 there is a pair of guide rollers that roll on an endless track 14 laid in an aging yard. 181, 181 are attached, and a guide roller 182 that rolls in contact with the guide rail 15 installed above the aging yard is attached to the upper side surface thereof. The upper and lower surfaces are respectively fixed to endless chains 183 and 184 installed on the aging yard, and as the chains 183 and 184 rotate, each shelf row 11,... 15. An endless conductive rail 16 is installed on the outer side of the upper guide rail 15, and a current collector 1 that supplies power to each shelf row 11 of the movable shelf 1 is installed on the conductive rail 16.
7, 17, ... are provided in a slidable manner, and as each shelf row 11, 11, ... moves, each shelf row 1
Current collectors 17, 17, ... that feed power to 1, 11, ...
slides along the conductive rail 16, and each shelf row 1
It is designed to stably supply power to 1,...

The shelf row 11 has an upper frame 11 framed in a rectangular shape.
1, and a lower frame 11 similarly framed in a rectangular shape.
2 are connected by four pillars 113, 113, . A pair of roller conveyors 115, 115 are installed between the front and rear frame members of the lower frame 112 at the bottom of the shelf row 11, so that large test specimens can be easily stored.
Furthermore, on the left and right sides of the bottom of the shelf row 11, there are pallet guides 116 whose front portions are bent outward, respectively.
116 extends in the front and rear directions. Further, the rear frame member 112 is provided with a current collecting section 117 similar to the current collecting section 127 provided on each shelf 12, which will be described later.

In the shelf row 11, only the space at the bottom is widened to enable storage of test specimens with large height dimensions.
In addition, shelves 12, 12, 1 divide the upper space into three equal parts.
2 is formed in three stages and is designed for small test specimens. Each shelf 12,... is a pair of front supports 1
Front shelf board 121 installed between 13 and 113
It is framed by a rear shelf board 122 installed between a pair of rear supports 113, 113, and shelf boards 123, 123 installed between the front and rear supports on the left and right sides, respectively. , rear shelf boards 121, 12
A pair of pallet receiving plates 125, 125 are respectively installed near the left and right ends of the space between the pallet plates 121, 122, 123, 123, and the pallet receiving plates 125, 125 form a shelf. are doing.
Also, on the left and right shelf boards 123, 123, there are a pair of pallet guides 12 whose front parts are respectively bent outward.
6, 126 are provided to reliably guide the pallet 8 on which the printer 5, which is the test specimen, is placed, as will be described later.

At the center of each shelf board 122, . . . on the rear side, a current collector portion 127, . Each current collector 127,... has seven short protrusions extending in the front-rear direction arranged side by side in the left-right direction, and a contactor is attached between each protrusion. The current collector 117 also has the same structure,
Electricity is supplied from the conductive rail 16 described above to the contacts of each of the current collecting sections 127, . . . , and 117 via the current collecting device 17. As described later, each current collector 12
7, . . . , and 117 are connected to contacts of a power receiving portion formed on each pallet 8 to supply power to each pallet.

On the front side of the front shelf board 121 facing the pallet receiving boards 125, 125 of each shelf 12, forward-slanted inclined boards 128, 128 are provided, respectively.
The front end portions of leaf springs 129, 129 are attached to the front end portion of the upper surface. The rear end portions of the leaf springs 129, 129 are bent into a chevron shape, so that when the pallet 8 stored in each shelf 12 slides forward, the front surface of the pallet 8 comes into contact with the rear end surface of the leaf springs 129, 129. The leaf springs 129, 129 are designed to bias the pallet 8 rearward.

7 is a schematic front view of the transfer machine 2, FIG. 8 is a side view thereof, and FIG. 9 is a partially cutaway enlarged plan view thereof. The transfer machine 2 moves a printer 5 as a test object carried by a trolley 4 together with a pallet 8 by a turntable 202 that moves up and down guided by two pillars 201, 201 set up at the entry and exit positions. It is to be transferred to a predetermined shelf tier of shelf 1.

The upper ends of two columns 201, 201, which are spaced apart by an appropriate width so that the webs of each H-shaped steel are oriented in the front-rear direction, are connected by a connecting frame 203 and have a gate shape. A servo motor 204 for raising and lowering the turntable 202 is attached to the upper end of the outer flange, and its output is transmitted via a reducer 205 to a rotating shaft installed above the connecting frame 203 and parallel to the connecting frame 203. 206.

A sprocket 207 is fixed to the part of the rotating shaft 206 that faces the inside of the inner flange of the support post 201 to which the motor 204 is attached, and a sprocket 207 is fixed to the part of the rotating shaft 206 that faces the inside of the inner flange of the other support post 201.
A sprocket 208 is also fixed at position 06, and an endless chain is formed between the sprockets 207 and 208 and a sprocket (not shown) aligned with each of the sprockets 207 and 208 at the lower end inside the inner flange of each support column 201 and 201. 209 and 210 are hung around each other, and each chain 209 and 210 is connected to the support 201,
It moves around between the inner flanges of 201. Both ends of an elevating frame 211 that supports the turntable 202 are attached to opposing positions of each chain 209, 210, and each support column 201, 2
Support plates 251, 251 of carriers 25, 25 that move up and down along the rotation axis 20 are fixed to each other.
By the rotation of 6, both carriers 25, 25 move up and down at a constant speed while maintaining the same height position.

Since the carriers 25, 25 installed on the respective pillars 201, 201 have the same structure, the carrier 25 installed on the pillar on the opposite side from the pillar on which the motor 204 is installed, as shown in FIG. explain. In the carrier 25, a pair of brackets 252, 252, which are externally engaged with the inner flanges of the support column 201, are provided on a vertically long support plate 251 facing the tips of the inner flanges of the support column 201, and project outward. 252, 252 and the support plate 251, a total of 12 guide rollers, three pairs each in the upper and lower two stages, are provided in order to move the entire carrier 25 up and down along the support column 201 smoothly and without vibration. In the figure, only the upper three pairs of guide rollers are visible). The upper guide roller and the lower guide roller are arranged in the same way, and to explain the upper guide roller, the support plate 251
A pair of guide rollers 253 are provided on the outer surface of the upper part of the support column 201 to roll the inner surfaces of the respective flanges inside the support column 201.
253 are provided, and each bracket 25
A pair of guide rollers 254, 254, 25 are provided on the surface facing the column 201 of No. 2, 252, each pair of guide rollers 254, 254, 25 sandwiching and rolling guide rails 215, 215 provided vertically on the outer surface of the column 201 from the inside and outside.
4,254 are provided. Below these three pairs of guide rollers, three pairs of guide rollers, totaling six guide rollers, are arranged in the same way. Similarly, the carrier 25 mounted on the other support 201 is also provided with 12 guide rollers, three pairs each, arranged in two stages, upper and lower.

A sprocket 212 is fixed to the rotating shaft 206 at a position opposite to the outer flange of the column opposite to the column on which the motor 204 is installed, and is aligned with the sprocket 212 at the lower end between the outer flanges of the column 201. An endless chain 213 is routed between the chain 213 and a sprocket (not shown), and a counterweight 214 is attached to the uppermost position of the chain 213 when the carriers 25, 25 are at the lowermost positions. When the carriers 25, 25 are raised, the counterweight 214 is lowered to maintain balance with a turntable, etc., which will be described later. Further, a guide rail 217 for guiding the counterweight 214 is attached to one end of the outer flange of the column 201 along which the counterweight 214 moves up and down.
Two pairs of guide rollers 216, . In order to prevent danger due to the lifting and lowering of the counterweight 214, a cover 2 surrounding the counterweight 214 is attached to the outer flange of this support 201.
18 are attached to the support column 201 over substantially the entire length thereof.

As shown in FIG. 8, a terminal box 219 is attached at a mid-height position on one of the outer flanges of the column 201 to which the motor 204 is attached, and is provided along the inner surface of the column 201. A cable (not shown) connected to the terminal box 21
9, and signals from a control section (not shown) are also sent. The motor 204 is also powered and signaled through the cable in the column 201.
Further, a similar terminal box 220 is attached to one side of the carrier 25 (the side opposite to the side on which the terminal box 219 is attached) that moves up and down along the support 201 to which the terminal box 219 is attached. Flexible protective equipment 2
21 is connected by a cable (not shown) fitted inside the turntable 202, and supplies power to a motor 229 for moving the picker section 26 forward and backward, which will be described later and is fixed on a turntable 202, which will be described later.
The limit switch 237, which will be described later, is fixed on the top.
239 and the control section are transmitted and received from a cable along the support column 201 through the terminal box 219, the cable inside the protector 221, the terminal box 220, and further through the slip ring 224, which will be described later. The length of the protector 221 (therefore the cable fitted therein) is approximately 1/2 of the travel length of the carrier 25.

A turntable 2 is mounted on the elevating frame 211.
02 is rotatably provided. The turntable 202 has a slightly wider diameter on the upper side and opens upward, and a toothed belt 222 is wound around the outer periphery of the lower side, which has a slightly smaller diameter, with the teeth facing outward. A turntable driving motor 223, which has a gear on its output shaft that meshes with the teeth of the turntable, is installed at a position near one of the pillars 201 of the elevating frame 211, and the drive of the motor 223 rotates the entire turntable 202 at 180 degrees. Cross and turn around. In addition, a slip ring 224 is provided at the center of the lower surface of the turntable 202, and is connected to the terminal box 220 described above by a cable passing through the lift frame 211, and is connected to a motor fixedly installed on the turntable, which will be described later. A cable (not shown) is drawn out onto the turntable 202 to supply power to the turntable 202, limit switch, and the like. In addition, the counterweight 2 of the lifting frame 211
A cable reel 230 is attached to the side end of the support column 211 provided with 14. The cable reel 230 is connected to the terminal box 220 by a cable passing through the lifting frame 211. The turntable 202
Power is supplied to a motor provided in the picker section 26 by going around the outer circumference and pulling it out from the center of the bottom surface, and passing it between a pole 234 set up on the turntable 202 and a pole 235 set up in the picker section 26, which will be described later. Also, signals are transmitted and received between a limit switch provided in the picker section 26 and a control section (not shown), so that power supply and signal transmission and reception are performed reliably regardless of the movement of the picker section 26.

A screw rod 225 is rotatably installed on the upper inner surface of the turntable 202 in the radial direction through the center, and guide shafts 226, 226 are provided on both sides of the screw rod 225 in parallel with the screw rod 225, respectively. There is. Additionally, pallet receivers 227, 227 are installed in parallel on the outside of each guide shaft 226, 226 so that their upper surfaces are slightly above the top surface of the turntable 202, and therefore above the guide shaft 226. In addition, each pallet receiver 2
On the outside of the pallet receiver 227, the plate is bent so that its lower side is approximately horizontal and its inner surface is approximately vertical, the upper surface is further above the upper surface of the pallet receiver 227, and one end is expanded so as to be separated from each other. Pallet guides 228, 228 are installed parallel to the screw rod 225. Near one end of the screw rod 225, the screw rod 225
The motor 229 for rotational driving of the turntable 2
A toothed belt 233 is wound between a pulley 232 attached to its output shaft and a pulley 231 attached to a screw rod 225, and the screw rod 225 is rotated by normal rotation of the motor 229. When rotated in the normal direction, the picker section 26 moves forward as described later, and when rotated in the reverse direction, it moves backward.

A pallet 8 on which a printer, which is a test object, is mounted is placed on a cart 4 on a screw rod 225 and guide shafts 226, 226.
A picker unit 26 is attached which is equipped with a gripping mechanism for transferring the pallets from the pallets onto the turntable 202 and from the turntable 202 to each shelf of the movable shelf, and a power supply mechanism for supplying power to the pallets 8. . On the turntable 202, between one guide shaft 226 and the pallet receiver 227,
A limit switch 237 is provided that comes into contact with an appropriate part of the picker section 26 and turns on when the picker section 26 moves forward (as described later, the picker section 26 moves in the direction in which the chuck section 28 is attached). A limit switch 238 is provided which is approximately centrally symmetrical to the limit switch 237 and is turned on by coming into contact with the picker section 26 when the picker section 26 moves backward.
Reference numeral 9 is designed to stop the forward rotation and reverse rotation, respectively. Further, near the end of one pallet guide 228 opposite to the expanded end (that is, the side in the backward movement direction of the picker section 26), the pallet 8 is transferred onto the turntable by the picker section 26 as described later. A limit switch 239 is provided that comes into contact with the pallet 8 and turns on when it is placed on the pallet.

Fig. 10 is a schematic plan view of the picker section 26 (hereinafter referred to as left and right based on this figure, and the back side of the drawing is the front side and the near side is the rear side), and Fig. 11 is a schematic diagram of the right side thereof. 12 is a schematic left side view thereof.
First, to explain the gripping mechanism, the guide shaft 22
6,226 has a slidable sliding block 261,
261 are inserted and fitted into each, and a bottom plate 262 provided with a picker portion 26 is installed between the upper surfaces of both the sliding blocks 261 and 261. A threaded portion (not shown) that engages with the screw rod 225 is fixed to the center of the lower surface of the bottom plate 262, and by forward rotation of the screw rod 225, the bottom plate 262 fixed to the screw portion, and therefore the entire picker portion 26, is fixed to the guide shaft. 226, 226 and retreat by reversing.

A pair of left and right support plates 263l and 263r are erected at the center of the upper surface of the bottom plate 262, parallel to the screw rod 225, and a pair of left and right support plates 263l and 263r are provided at the rear upper part of the left side of the left support plate 263l, which can be moved forward or reverse. A motor 264 for rotating the chuck, which will be described later, is fixed to it, and its output shaft 264a protrudes to the right of the left support plate 263l.One end of an arm 265 is fixed to the output shaft 264a, and the other end One end of a connecting rod 266 is rotatably supported by a first pin 267. A second pin 268 is provided at the other end of the connecting rod 266.
A pair of left and right first link elements 269, 269 extending in the front-rear direction are rotatably attached to positions near the left and right ends thereof, respectively. There is. The rear upper part of the right support plate 263r is cut out, and the right end of the second pin 268 is connected to the support plate 26 from this cutout.
Limit switches 275 and 276 are respectively attached to the right side of the support plate 263r, which protrudes to the right of the notch and is located in front and below the notch, and as will be described later, a second pin 268 is attached to the upper and lower sides of the support plate 263r, respectively. When the movement limit position is reached, each limit switch 27
5,276 is turned on, and the reverse rotation and forward rotation of the motor 264 are respectively stopped.

The middle portions of the first link elements 269, 269 are rotatably supported by a third pin 270 in the front middle portions of the left and right support plates 263l, 263r, respectively, and the front end portions of the first link elements 269, 269 are pivoted forward and downward. It is extending towards. Vertically above the third pin 270 is a pair of second
The rear end portions of the link elements 271, 271 are
Left and right support plates 263l, 263 at pin 272
The second link elements 271, 271 are parallel to the first link elements 269, 269, and their front ends are connected to the front ends of the first link elements 269, 269. It is vertically upward. A chuck portion 28 is provided at the front end of both link elements 269, 271. The chuck portion 28 has claw portions at the front lower portions of the front ends of the second and first link elements 271 and 269 on the left side and the front ends of the second and first link elements 271 and 269 on the right side. On the connecting elements 281, 281 having
The lower portions are rotatably supported by pins 282 and 283, respectively, and a connecting member 284 made of angle material is placed between the connecting elements 281 and 281, with its web facing downward and its tip connected to the connecting element 281, 283.
281, and is fixed with its flange on the rear side, and is attached to the first and second link elements 269, 271 and the chuck part 2.
8 constitutes a link mechanism. At an intermediate position between the front and rear end pivot points between the left and right second link elements 271, 271, there is a collar 2 that maintains the distance between the two link elements 271, 271 and also makes the both link elements 271, 271 interlock.
77 is interposed therein, and each of the left and right first link elements 269, 269 has a respective link element 271,
Collars 278, 27 that maintain the spacing of 271 and interlock both link elements 269, 269
9 are interposed respectively. Also, both support plates 263
A connecting plate 273 is installed at the lower part of the front side of the connecting plate 273, and a regulating member 274, which has a downward U-shape when viewed from the side, is attached to the front surface of the connecting plate 273. Connecting plate 2
73 extends to the left of the left support plate 263l.

In the gripping mechanism having such a configuration, when the motor 264 is driven to rotate normally, the arm 265 attached to the output shaft 264a rotates upward about the output shaft 264a, and the connecting rod 266 rotates upward. 1st
The link elements 269, 269 are pins 270
Rotate clockwise when viewed from the right centering on
The front end rotates rearward and downward, that is, so that the chuck part 28 is drawn toward you, and the pallet 8 (described later)
The chuck portion 28 engages with the locking hole 85 to draw the entire pallet 8 toward you, and the pallet 8 is gripped by the regulating member 274 and the chuck portion 28.
When the connecting rod 266 reaches the upper limit position, that is, the lower limit position of the chuck portion 28, the right end of the pin 268 contacts the limit switch 275, turning it on and stopping the normal rotation of the motor 264. Conversely, when the motor 264 is driven in reverse, the arm 265 rotates downward, and the connecting rod 266 rotates downward.
The front ends of the first link elements 269, 269 rotate counterclockwise around the pin 270 when viewed from the right, as shown by the two-dot chain line in FIG. While holding the pallet 8, move it and release the pallet 8 from its grip. When the connecting rod 266 reaches the lower limit position, that is, the chuck portion 28 reaches the upper retracted position, the pin 268
comes into contact with the limit switch 276, the limit switch 276 is turned on, and the driving of the motor 264 is stopped.

Next, the power supply mechanism will be explained. As shown in FIGS. 10 and 12, a mounting plate 295 is provided upright on the left side of the left support plate 263l, and a geared motor 291 is mounted on the left and right sides of the mounting plate 295 with the output shaft 291a on the left side. Each support plate 263l, 26
3r, and one end of a crank arm 292 is fixed to its output shaft 291a. At the other end of the crank arm 292, one end of a connecting rod 293 is rotatably supported by a pin 294. The first arm 241 is rotatably supported by a pin 299 on the upper part of a mounting piece 298 attached to the front surface of a spring frame 297 erected on the middle upper surface of the first arm 241 .

The first arm 241 has its rear end pivotally supported by a bracket 296 attached to the left side surface of the left side support plate 263l and the upper surface of the bottom plate 262, and the middle of the second arm 242 is connected to the front end of the bracket 296 by a pin 243.
The second arm 242 has an upwardly U-shaped cross section, and its rear side part is fitted into the front side of the first arm 241 . A switch dog 244 extending to the right is fixed to the right side of the pin 243.
Limit switches 245,
246 are respectively attached, and when each limit switch 245, 246 is turned on, the reverse rotation and forward rotation of the motor 291 are respectively stopped.

One end of a tension spring 247 is locked to the rear end of the second arm 242 located in the middle of the first arm 241, and urges the front end of the second arm 242 downward. The other end of the tension spring 247
Spring frame body 29 attached to the upper surface of the arm 241 of
The lower end of an adjustment screw 248 for adjusting spring pressure is screwed onto the upper surface of the spring 7.

The front end of the second arm 242 is connected to the middle of the power feeding section 30 extending in the left-right direction. The power supply part 30 has a plug 301 on the lower side which serves as a power supply terminal to the pallet 8, and six poles are arranged in parallel in the left and right direction.
By engaging with predetermined contacts 861, . . . of an outlet 86 formed on the upper surface of the pallet 8, which will be described later, power is supplied from the power supply section 30 to the pallet 8.

In the power feeding mechanism with such a configuration, the crank arm 292 rotates downward around the output shaft 291a of the motor 291 by normal rotation of the motor 291, and the connecting rod 293 moves downward to connect the first and second arms. 241 and 242 are rotated downward around the rear end pivot of the first arm 241, and the second arm 2
Each plug 301 of the power supply section 30 at the tip of 42 is engaged with each contact 861, . . . of the outlet 86 of the pallet 8. When the first arm 241 reaches the lower limit position, the switch dog 2
44 contacts the limit switch 246 and turns on, stopping normal rotation of the motor 291. At this time, the plug 301 of the power supply unit 30 is connected to the outlet 86
If the second arm 242 does not reliably engage the contacts 861, .
As shown in the figure, the second arm 242 rotates clockwise when viewed from the left, and the rear end rotates downward against the tensile force of the tension spring 297, so that no unreasonable force is applied to the second arm 242. There is no risk of damage. Conversely, when the motor 291 is driven in the reverse direction, the crank arm 292 rotates upward to pull the connecting rod 293 upward, the first arm 241 rotates upward, and the front end of the second arm 242 moves upward as shown in FIG. The position is indicated by the two-dot chain line. When the first arm 241 reaches the upper rotation limit position, the switch dog 244 contacts the limit switch 245 and turns on, causing the motor 2
The reverse rotation drive of 91 is stopped.

FIG. 13 is a plan view of a pallet 8 used when transferring a printer as a test specimen. Palette 8
It is made of wooden plywood or synthetic resin, and is formed into a rectangular shape close to a square, with chamfered corners. There are printer leg stops 8 near each of the four corners.
1, 81,... are attached, and similar leg stops 82, 8 are installed inside each leg stop 81,...
2,... are attached, making it possible to transfer small printers. In addition, a long hole 83 for feeding paper to a large printer is opened parallel to the long side at a position closer to one of the long sides, and a long hole 83 is provided parallel to the long side from the center of the long hole 83. A long hole 84 is provided to enable paper feeding to a small printer.

At the center of the long side far from the elongated hole 83, there is a hole parallel to the long side that is slightly shorter and wider than the elongated hole 83, so that the lower end of the chuck portion 28 of the picker portion 26 is parallel to the long side. Locking hole 8 that can be inserted
5 has been opened (hereinafter, based on FIG. 13, the near side will be referred to as the front side, the opposite side will be referred to as the rear side, and the left and right sides of the drawing will be referred to as the left and right sides, respectively).

An outlet 86 is provided on the left side of the locking hole 85 and extends in the left-right direction. This outlet 86 has six contacts 861, 861, . ... are adapted to engage with the respective contacts 861, .... Cables (not shown) connected to the respective contacts 861, ... are routed from a position near the front end face in the pallet 8 to a position near the left end face, and then through a position near the rear end face to a power receiving portion 89 on the rear side, which will be described later.
Three sockets 881 and 88 are arranged in parallel in the front-rear direction on the left side of the front side of the upper surface of the pallet above the guide hole 87.
2,883. These sockets 881, 882, 883 serve as power supply terminals for the items stored on the shelf, that is, the printer. One end is connected to each contact, the other end of a cable (not shown) passing through the guide hole 87 is connected, and different voltages (320V, 115V, 110V, respectively) are output from each socket 881, 882, 883. The cable is connected so that power can be supplied. Power receiving part 89
In this method, a notch is provided in the center of the rear end of the pallet 8 with openings on the rear side and the lower side, and six ribs with contacts attached to the lower end surface are placed in the notch in parallel in the front and rear direction. The pallet 8 is a movable shelf 11.
When pushed into the shelf 12 of the above-mentioned movable shelf 1
Each rib of the power receiving part 89 of the pallet 8 is fitted between the protrusions of the current collecting part 127 provided in the inner part of 1,..., and the contact provided between the contactor on the lower end surface of the rib and the protrusion When the children come into contact with each other, power is supplied from the movable shelf 1 to the pallet 8. In other words, the power receiving portion 89 serves as a power receiving terminal from the shelf side. On the other hand, the outlet 86 serves as a power receiving terminal from the transfer machine side. In addition, 91 test specimens are printer cord storage boxes, 92 and 92 are on the left of palette 8,
These are legs that stand on the upper surface of the right rear side, and when the pallets 8 are not used, the surfaces of the two pallets (the upper surfaces in Fig. 13) face each other, and the By stacking the legs 92, 92 on opposite sides, they can be stored compactly. Note that the engaging portion of the chuck portion 28 is not limited to the locking hole 85;
A member that engages with the chuck portion 28 may be provided projecting from the upper surface of the pallet 8.

The operation of the apparatus of the present invention constructed as described above will be explained. The device of the present invention is controlled by a control section (not shown). The printer 5, which is a test object placed on a pallet 8, is placed on a trolley 4 and transferred to a transfer machine 2.
The pallet 8 is transported to a forward position so that the locking holes 85 of the pallet 8 are on the transfer machine 2 side. When the cart 4 reaches a predetermined position, the cart 4 stops, and the turntable 202 of the transfer machine 2 is driven by the motor 204 to be at the same height as the bottom cart 4.
The motor 229 on the turntable 202 is driven to rotate in the normal direction, the screw rod 225 rotates in the normal direction, and the entire picker section 26 moves forward along the guide shafts 226, 226.
In this case, the chuck portion 28 of the picker portion 26 is in the upper retracted position. When the picker section 26 moves forward and reaches a predetermined position, the limit switch 23
7 is turned on, the rotation of the motor 229 is stopped, and the movement of the picker section 26 is also stopped.

When the limit switch 237 is turned on, the motor 264 of the picker section 26 is driven to rotate normally, the tips of the first and second link elements 269 and 271 rotate downward, and the chuck section 28 rotates downward. is engaged in the locking hole 85 of the pallet 8, and the pallet 8 is held between the chuck part 28 and the regulating member 27.
4. When the chuck portion 28 reaches the lower limit position, the limit switch 275 is turned on and the forward rotation of the motor 264 is stopped.

After that, the motor 291 is driven in normal rotation,
The tips of the arms 241, 242 rotate downward, and the power supply unit 30 rotates downward, and the plugs 301, . . . of the power supply unit 30 engage with the contacts 861, . and the first arm 241 of the power feeding mechanism
When the tip reaches the lower limit position, limit switch 2
46 is turned on and normal rotation of the motor 291 is stopped. In this case, the plug 301 of the power supply section 30 does not engage with the outlet 86 reliably, and the first arm 24
When the power supply unit 30 does not rotate downward despite the downward rotation of the second arm 242
The rear end rotates downward against the tensile force of the tension spring 247, and the arm 242 and plug 30
There is no risk of damaging the contacts 861, .

In this way, the chuck part 28 of the picker part 26 and the locking hole 85 are engaged, and each plug 301 of the power supply part 30, each contact 861 of the outlet 86,...
When the plug of the printer 5 is connected to one of the sockets 881, 882, and 883 on the pallet 8 in order to supply a predetermined voltage to the printer 5 on the pallet 8 while the Cables (not shown) placed along the support 201 on the transfer machine 2, terminal boxes 219, 220, cables in the lifting frame 211, and cable reels 23
0, the power is supplied to the power supply part 30 through the cable passed between the poles 234 and 235, and further the power supply part 3
0 plug 301 to pallet 8 outlet 8
The voltage supplied to each socket 881-883 through the terminal 6 is supplied to the printer 5. After inputting a program that causes the printer 5 to perform a predetermined test operation, the controller controls the movable shelf 1.
Specifying the storage location of this printer in
The motor 229 on the turntable 202 is driven in reverse, and the entire picker section 26 moves backward.

At this time, since the pallet 8 is held by the chuck part 28 and the regulating member 274, the pallet 8 is pulled onto the turntable 202 by the retreat of the picker part 26, and the pallet guide 228,
228, the turntable 2 remains in a predetermined posture.
Transferred to 02. On the other hand, even when the picker section 26 is pulling the pallet 8, the plug 3 of the power supply section 30
01, . . and the outlet 86 are reliably engaged, the printer on the pallet 8 is reliably supplied with power, and there is no risk that the input program will be erased.

When the picker section 26 moves backward and reaches a predetermined position, the limit switch 238 is turned on and the motor 229
The rotation of the picker section 26 stops, and the movement of the picker section 26 stops. At this time, the limit switch 239 provided near one of the pallet guides 228 comes into contact with the pallet 8 to confirm that the pallet 8 is securely gripped by the chuck section 28 and reliably pulled by the picker section 26. If the limit switch 239 is not turned on and the pallet 8 is not being pulled, the picker section 26 is moved forward again to grip and pull the pallet 8.

On the other hand, in the mobile shelf 1, the specified shelf row 11
is moved to a position facing the transfer machine 2, and when the limit switches 238 and 239 are turned on, the motor 2 attached to the lifting frame 211 is turned on.
23 is rotationally driven and the turntable 202 is
Rotated 180 degrees, the pallet 8 on the turntable 202 faces a predetermined row of shelves on the movable shelf 1. In this case, power is supplied to the picker section 26 from the poles 234 and 2.
However, since the cable is wound around the cable reel 230, when the turntable 202 rotates, the cable 2 is passed from the cable reel 230 by the amount of rotation of the turntable 202.
36 is pulled out, there is no risk of the cable being cut. And the motor 20 installed on the support column 201
4 is driven to rotate in the normal direction, and the turntable 202 is raised and lowered by the carriers 25 and 25 to a predetermined height of the shelf 12 while maintaining a horizontal state. When the motor 204 reaches this height position, the normal rotation of the motor 204 is stopped and the turntable 202 is rotated in the normal direction. The motor 229 on the table 202 is driven in normal rotation to move the picker section 26 forward, and the pallet 8 is pushed by the picker section 26 and moves forward.

The pallet 8 is guided by pallet guides 126, 126 and pressed against the shelf 12 in a predetermined posture while pressing downwardly against a leaf spring 129 on an inclined plate 128 attached to the front of the shelf 12. The ribs of the power receiving section 89 provided on the rear side of the pallet 8 are connected to the current collecting section 127 provided on the back side of the shelf 12.
When the protrusions are engaged with each other, the contact of the power receiving part 89 on the pallet 8 side and the contact of the current collecting part 127 on the shelf 12 side come into contact with each other, and the pallet 8 receives electricity from the conductive rail 16 of the movable shelf 1. A voltage is supplied to each current collecting section 127 through the current collecting device 17 . In this case, the power supply section 3 in the picker section 26 of the transfer machine 2
Power is also supplied from 0.

When the picker section 26 advances to a predetermined position, the limit switch 237 is turned on, the motor 229 is stopped, and the movement of the picker section 26 is stopped.The motors 264 and 291 of the picker section 26 are driven in reverse, and the chuck section 28 is moved upward. At the same time as the rotation, the power feeding section 30 is rotated upward, the chuck section 28 is disengaged from the locking hole 85 of the pallet 8, and the plugs 301, . . . are connected to the contacts 861, 8 of the outlet 86.
61, ... is removed. When the chuck section 28 reaches the upper limit position, the limit switch 276 is turned on, and when the power supply section 30 reaches the upper limit position, the limit switch 245 is turned on, and each motor 264,
291 is stopped.

At this time, since the printer on the pallet 8 is supplied with power from the current collector 127 of the shelf 12 as described above, the power supply to the printer is not interrupted. Also, the pallet 8 transferred to the shelf 12 has a leaf spring 12
9 prevents it from sliding forward.

When both limit switches 276 and 245 are turned on, the motor 229 is driven in the reverse direction, and the picker section 2
6 is moved backward, and when it reaches a predetermined retreat position, the limit switch 238 is turned on and the motor 229 is stopped, the picker section 26 is stopped at that position, and the motor 223 is driven in reverse to rotate the turntable 202.
is reversed 180 degrees, and the motor 204 provided on the upper side of the support column 201 is further reversed to lower the turntable 201. When the turntable 201 reaches a predetermined lowermost position where the printer is to be transferred from the cart 4, the motor 204 stops. , completes the warehousing work for one printer and enters a standby state.

The printer transferred to a predetermined shelf 12 of the movable shelf 1 is subjected to an energization test for a predetermined period of time on this shelf. Note that when leaving the warehouse, the operations described in detail above are performed in the reverse order. Even in this case, the power supply to the printer will not be interrupted.

As described in detail above, the automatic storage/unloading system according to the present invention includes a power supply terminal for supplying power to stored items, and a first terminal electrically connected to the power supply terminal and provided at different positions. a pallet having a second power receiving terminal; and a power feeding terminal configured in multiple stages and rows, capable of rotating a required row of shelves to a warehousing or unloading position, and electrically connected to the first power receiving terminal. A movable shelf, which is arranged at the warehousing or warehousing position and is movable up and down, a means for horizontally moving stored items for warehousing or warehousing, and electrically connected to the second power receiving terminal. and a transfer machine equipped with a power supply terminal to connect at least one of the power supply terminal of the movable shelf or the power supply terminal of the transfer machine to the first or second power receiving terminal when entering or leaving the warehouse. This feature makes it possible to conduct continuous energization tests on a large number of specimens even in a narrow space, and in particular, the power supply will not be interrupted even during transfer, making it easier to program the specimens. can also be entered before transferring to the shelf, greatly improving work efficiency during loading and unloading, and eliminating the need for extra space for operations within the shelf, increasing space utilization efficiency, etc. The present invention has excellent effects.

[Brief explanation of the drawing]

Fig. 1 is a schematic diagram of the device of the present invention, Fig. 2 is an external view of the movable shelf, Fig. 3 is a schematic front view of the movable shelf row, and Fig. 4 is a schematic diagram of the device of the present invention.
The figure is a partially cutaway schematic side view, FIG. 5 is a cross-sectional view taken along the - line in FIG. 3, and FIG. 6 is a - line in FIG. 3.
7 is a schematic front view of the transfer device, FIG. 8 is a side view thereof, FIG. 9 is a partially broken enlarged plan view thereof, FIG. 10 is a plan view of the picker section, and FIG. The figure is a right side view, FIG. 12 is a left side view of FIG. 10, and FIG. 13 is a plan view of the pallet. 1...Moving shelf, 2...Transfer machine, 4...Dolly, 8
... Palette, 11 ... Shelf row, 12 ... Shelf tier, 1
4... Guide rail, 15... Conveyor, 16...
...Conductive rail, 17...Current collector, 25...Carrier, 26...Picker part, 28...Chuck part, 30...Power supply part, 85...Engagement hole, 86...
Outlet, 89... Power receiving unit, 115... Roller conveyor, 117, 127... Current collecting unit, 129
...Plate spring, 201 ... Support, 202 ... Turntable, 204 ... Motor, 211 ... Lifting frame, 214 ... Counterweight, 219,
220...terminal box, 223...motor, 2
24...Slip ring, 225...Screw rod, 22
6...Guide shaft, 229...Motor, 237,2
38,239...Limit switch, 241,2
42...Arm, 244...Switch Dotsugu, 2
45,246...Limit switch, 247...
Tension spring, 264... Motor, 269, 271...
...Link element, 275,276...Limit switch, 281,281...Connection element, 291...Motor, 301...Plug.

Claims (1)

[Claims] 1. A device comprising a power supply terminal for supplying power to stored items to be placed, and first and second power receiving terminals electrically connected to the power supply terminal and provided at different positions. a pallet; a movable shelf configured in multiple stages and in multiple rows, capable of rotating a required shelf row to a warehousing or retrieval position, and provided with a power supply terminal electrically connected to the first power receiving terminal; The moving unit is disposed at a storage exit position and includes a turntable that can be raised and lowered, a means for horizontally moving stored items for loading or unloading, and a power supply terminal electrically connected to the second power reception terminal. and a loading device, and at least one of the power supply terminal of the movable shelf or the power supply terminal of the transfer machine is connected to the first or second power receiving terminal when entering or leaving the warehouse. Automatic loading/unloading device.