JPS59201497A - Device for shifting part group containing pallet - Google Patents

Abstract

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

Description

[Detailed Description of the Invention] [Technical Field of the Invention] The present invention relates to a parts group storage unit 4, which transfers a storage unit or a ret containing a large number of parts in order to supply electronic components.
The present invention relates to a ret transfer device.

[Technical background of the invention and its problems]

For example, Japanese Unexamined Patent Application Publication No. 18399/1989 discloses a means for storing electronic components to be mounted on a printed circuit board in a component storage box and supplying the components one or more at a time from this component storage box to a supply section. It is being This is a system in which a plurality of cassettes for storing electronic components in a row are stacked on a cassette holder, and the electronic components in the cassettes are fed one by one from the bottom of the cassette holder. .

However, as described above, the method of sliding the electronic component by tilting the cassette requires the shape of the electronic component to be specified, and cannot be applied to all electronic components. Moreover,
It is necessary to replenish the cassette from the top of the cassette holder, which has the disadvantage that replenishing the cassette is difficult.

[Purpose of the invention]

This invention was made in view of the above-mentioned circumstances, and its purpose is to enable each storage pallet containing a large number of parts to be transferred to a pallet holder in a lined manner; For example, parts can be chucked one row at a time from the storage i4let and supplied to the parts supply section,
The present invention aims to provide a parts group storage pallet transfer device that can be applied to parts of any shape.

[Summary of the invention]

A storage pallet that stores a large number of parts is placed on a multi-stage rack shelf, and by raising and lowering the pallet shelf, the storage pallets are sequentially positioned at a transfer station.
A series of operations are automatically carried out to transfer parts from this transfer stage to a pallet holder at the same height, and then to chuck and supply parts, one row at a time, from the storage pallet on this pallet holder. [Embodiment of the Invention] The present invention will be described below based on an embodiment shown in the drawings. In the figure, reference numeral 1 denotes a support plate erected vertically, and an elevating plate 3 is supported on this support plate I via a pair of guide rails 2 so as to be movable up and down. Further, the support plate l is provided with a screw rod 5 whose upper and lower parts are rotatably supported by bearings 4, 4, and the lower end of this screw rod 5 is /'? It is directly connected to the loose motor 6. Furthermore, a nut 7 is fixed to the elevating plate 3 to be screwed into the middle part of the scree rod 5, and an elevating drive mechanism 8 is provided which raises and lowers the elevating plate 3 via the nut 7 by the rotation of the screw rod 5. It consists of Further, on one side of the elevating plate 3, a plurality of tiered shelves 10 are arranged at equal intervals via attachment pieces 9. And each of these pallet shelves 1
0...K is removably placed with storage compartments 12... in which a large number of parts iz... are housed in an aligned state. Further, a plate 13 is attached to one end of the elevating plate 3 in the vertical direction, and this plate 13 has through holes 14 corresponding to the positions of the above-mentioned ninelet shelves 10.
... has been drilled. Further, a position detector 15a is provided at the intermediate portion of the support plate l. The body 16 of the position detector 15a is formed with a groove 17 into which the plate 13 is inserted.A rung I8 is attached to one side of the groove 17, and a phototransistor 19 is attached to the other side. ing. Then, when the light from the lamp 18 enters the phototransistor I9 through the through hole 14, the noggles motor 6 is turned off, and when the light is blocked by the plate 13, the nogles motor 6 is turned on and the pallet shelf is turned on. IO can be set at the transfer station 2 (NIC is set. Note that 15b is the upper limit detector of the lifting plate 3), and 15c is the lower limit detector.

Furthermore, a pallet holder 21 having the same height as the transfer station 20 is provided next to the nodelet shelves 10 . This pallet holder 21 is the storage pallet 1
2) It has a rather wide area, and a positioning frame 22 with an opening on the pallet shelf IO side is provided on its upper surface. 1 more
A transfer mechanism 23 is provided at the rear of the 4-let pedestal 21, and a gutter-shaped component supply section 24 is provided at the front. The transfer mechanism 23 includes an air cylinder 25 installed parallel to the upper surface of the pallet holder 21, and the air cylinder 2
The first piston rod 26 is attached to the tip of the piston rod 26 of No. 5 via a mounting plate 26a. It is composed of second pressing members 27a and 27b. The first pressing member 27a slides the storage pallet 12 on the pallet shelf IO located at the transfer station 20 toward the pallet holder 21 as the piston rod 26 retracts, thereby transferring the storage pallet 12 thereon. As the piston rod 26 protrudes, the second pressing member 27b pushes the storage pallet 1 on the pallet holder 21.
2 is pushed back to the -let shelf IO.

Further, a screw rod 28 is disposed on one side of the above-mentioned No.9let pedestal 21, that is, on the opposite side to the No.9let shelf 10... in a direction perpendicular to the transfer direction of the storage pallet 12.
One end of the motor is interlocked with a pulse motor 29. This screw rod 28 has a nut 30″r screwed thereto.
! A component supply mechanism 3 is provided via c. This component supply mechanism 3I is comprised of a suspension member 33 that is suspended by an elevating cylinder 32 so as to be movable up and down, and a chuck mechanism 34 provided on this suspension member 33. This chuck mechanism 34 has a plurality of chuck parts 36 on a pair of chuck pars 35 and 35.
One row of parts 11... can be chucked at the same time.

Next, the operation of the transfer device configured as described above will be explained. Parts 11 are placed in advance on each pallet shelf Z (7...
A storage pallet z2... in which... are arranged is placed.

In this state, when a drive signal is input to the smoke 6 of the elevating drive mechanism 8, the screw rod 5 rotates and the elevating plate 3 is raised via the nut 7. When the uppermost pallet shelf 10 reaches the transfer station 20, the position detector 15a faces the through hole 14 and inputs a stop signal to the pulse motor 6. Therefore, the top /? The storage pallet 12 placed on the pallet shelf is located at a transfer station 20. Next, when the air cylinder 25 of the transfer mechanism 23 is activated and the piston rod 26 is retracted,
First pressing member 27hI′i Storage on pallet shelf lo
The pallet 12 is pressed and slid onto the pallet holder 21. When the storage pallet 12 is transferred to the Alet pedestal 21, it is positioned at a predetermined position by the positioning frame 22. When the pulse motor 29 of the component supply mechanism 31 operates, the chuck mechanism 34 scans over the storage pallet 12 via the screw rod 28 and faces one end thereof. After the chuck mechanism 34 is positioned at a predetermined position, the lifting cylinder 32 is operated to lower the chuck mechanism 34. When the chuck mechanism 34 is then operated, the parts 1) in one row are simultaneously chucked by the chuck section 36. be done. After the chuck mechanism 34 rises again, when the screw rod 28 rotates, the chuck mechanism 34 moves forward and faces the component supply section 24 . Here, when the chuck mechanism 34 is lowered and then opened, the plurality of parts II... are simultaneously supplied to the parts supply section 34.

In this way, the storage nodelet 12 of the pallet pedestal 21 is
The parts 11, . Therefore, the storage armlet 12 which has become dry is pushed back onto the pallet shelf IO by the second pressing member 27b. When the empty storage pallet 12 is returned to the pallet shelf 10, the pulse motor 6 is reactivated, the elevating plate 3 is raised, and the next stage pallet shelf IO faces the transfer station 20 and performs the same action as described above. It will be repeated.

〔Effect of the invention〕

As explained above, according to the present invention, a storage pallet containing a large number of parts arranged in an array can be used as a storage pallet. Traps can be automatically transferred to the pallet cradle for each let, and
Parts can be chucked one row at a time from the storage/grette and supplied to the parts supply section, which has the effect of supplying them in an aligned state. Furthermore, the shape of the parts is not specified compared to a method that supplies parts by sliding, and this method has the advantage that it can be applied to the supply of all kinds of small parts.

[Brief explanation of the drawing]

The drawings show an embodiment of the present invention, in which Fig. 1 is a plan view of the entire device, Fig. 2 is a side view seen from the direction of the arrow ■ in Fig. 1, and Fig. 3 is a side view taken from the direction between the arrows in Fig. 1. The side view shown in FIG. 4 is an exploded perspective view of the position detection section. 8... Lifting drive mechanism, 10... Pallet shelf, 11.
...Parts, 12° storage pallet, 20...Transfer station, 21...iR pallet pedestal 23...Transfer mechanism, 24...Parts supply unit, 3...Parts supply mechanism , 34...Chuck mechanism. Applicant's agent Patent attorney Takehiko Suzue 1st Figure 1'XU 2nd Figure 3v! J

Claims (1)

[Claims] A storage pallet that stores a large number of parts in an arranged manner, a multi-tiered pallet shelf on which these storage pallets are placed one by one, and a pallet shelf that can be raised and lowered and stopped at a transfer station. A lift drive mechanism, a J-let cradle installed next to the pallet shelf and at the same height as the transfer station, and a J-let cradle provided on the transfer station to slide the storage pallet on the J-let shelf. a transfer mechanism that transfers the parts onto the pallet pedestal, and a transfer mechanism that is movably provided on the upper part of the pallet pedestal and chucks the parts in the storage container transferred onto the pallet pedestal and supplies them to the parts supply section. A parts group storage pallet transfer device characterized by comprising a parts supply mechanism.