JP2005350115A - Tray supplying device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To supply a tray supplying device for dropping and supplying trays vertically stacked one by one simply by intermittently rotating a rotary shaft disposed on both sides of the trays. <P>SOLUTION: This tray supplying device A for dropping and supplying a plurality of trays 11 vertically stacked one by one is provided with two rotary shafts 1 in parallel with a predetermined distance apart on both sides. The outer periphery in the shaft direction of the shafts 1 is formed with a notch 2 with an L-shaped cross section for the tip end 12a of flanges 12 on both sides of the tray 11 positioned bottommost to be caught and released by the rotation of the shafts 1. The shafts 1 are connected to a drive source for mutual synchronous and intermittent rotation toward inside. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a tray supply device that supplies a plurality of trays stacked one above the other individually downward.

2. Description of the Related Art Conventionally, as this type of tray supply device, a plurality of trays stacked one above the other is known in which claw members are arranged so that the flange tips on both sides of the tray positioned at the bottom of the tray are engaged and disengaged. .
nothing special

  However, the conventional tray supply device described above requires a mechanism for inserting the claw member between the flanges on both sides of the overlapped tray and then lowering the claw member so that the lower tray is dropped downward. Therefore, there is a problem that the entire structure becomes large and complicated. In addition, this also has a problem that the manufacturing cost becomes high.

  The present invention solves the problems of the conventional technique, and drops and supplies trays stacked one above the other individually by simply rotating the rotating shafts arranged on both sides of the tray. It is an object of the present invention to provide a tray supply device that can be used.

  In order to achieve the above object, a tray supply apparatus according to the present invention is a tray supply apparatus that drops a plurality of trays stacked one above the other one by one downward, with a predetermined interval on both sides. Two rotating shafts are arranged in parallel, and a notch is provided on the outer periphery in the axial direction of these rotating shafts so that the flange tips on both sides of the tray located at the bottom are engaged and disengaged by the rotation of the rotating shaft. The shafts are connected to a driving source so as to intermittently rotate inward in synchronization with each other.

  Furthermore, in order to achieve the object, the tray supply device according to the present invention is formed in a round bar shape as the rotating shaft, and a notch portion provided on the outer periphery in the axial direction is formed in a substantially L-shaped cross section. Features.

  Since the present invention is configured as described above, it is possible to move the pair of rotating shafts up and down by the action of the notches provided on the outer periphery in the axial direction of the rotating shaft only by intermittently rotating the pair of rotating shafts inward. Since a plurality of trays stacked on each other can be dropped and supplied one by one, the overall structure becomes small and simple.

  In addition, the manufacturing cost is low, and the supply speed is faster than the conventional product.

The best mode for carrying out a tray supply apparatus according to the present invention will be described below in detail with reference to the drawings.
FIG. 1 is a plan view of the above, FIG. 2 is a front view of the same, and FIGS. 3 to 5 are explanatory diagrams sequentially showing tray supply steps.

  The tray supply apparatus A has two round bar-shaped rotary shafts 1 arranged in parallel at predetermined intervals on both sides, and the axially outer circumferences of these rotary shafts 1 are arranged on both sides of the lowermost tray 11. The main structure is that the notch 2 having a substantially L-shaped cross section is provided so that the front end 12a of the flange 12 is engaged and disengaged by the rotation of the rotary shaft 1.

  The tray 11 is an elastic plastic rectangular container for storing and storing a plurality of foods such as gyoza, shumai, sandwich, sushi, and beetle. The side part 14 which spreads outside and the above-mentioned flange 12 which bent the upper end of the side part 14 outward in the substantially reverse U shape are prepared.

  The tray 11 is stored while maintaining a predetermined distance a between the bottom surface portion 13 and the flange 12 in a state where the tray 11 is vertically stacked in a hopper 3 disposed above the two rotating shafts 1 of the tray supply device A. Retained.

  That is, the two rotating shafts 1 are arranged at positions corresponding to the flanges 12 in the short direction of the tray 11, and when the notch portion 2 of the rotating shaft 1 is on the inner upper side shown in FIG. The front end 12 a of the flange 12 is abutted and locked to the horizontal portion 2 a of the notch 2. On the other hand, at this time, the upper corner portion 2c of the vertical portion 2b is disposed so as to face the lower side than the front end 12a of the flange 12 of the next tray 11.

  Further, below the rotating shaft 1, a conveyor 4 that receives the tray 11 dropped from above is disposed so as to be movable so as to intersect the axial direction of the rotating shaft 1.

  Further, on both sides of the conveyor 4, support members 5 that rotatably support both ends of the two rotary shafts 1 are disposed opposite to each other.

  A gear transmission mechanism 6 and a driving motor 7 are disposed at the ends of the rotary shafts 1 outside the support member 5 on one side, and two driving forces of the motor 7 are transmitted via the gear transmission mechanism 6. Are transmitted to the rotary shaft 1 and the rotary shafts 1 and 2 are intermittently rotated inward in synchronization with each other.

  If the trays 11 that are superposed by the action of the notches 2 of the two rotary shafts 1 can be dropped and supplied one by one, the two rotary shafts 1 are continuously connected to the inside by the driving force of the motor 7. May be intermittently rotated, or may be reciprocated at a predetermined angle.

Next, the operation of the present invention will be described with reference to the drawings shown in FIGS.
A switch (not shown) is turned on to drive the motor 7. The driving force of the motor 7 is transmitted to the rotary shaft 1 through the gear transmission mechanism 6, and the rotary shafts 1 provided on both sides are intermittently rotated inward as indicated by arrows.

  During the intermittent rotation of the rotary shaft 1, when the notch portion 2 is disposed facing the upper inside as shown in FIG. 3, the front end of the flange 12 in the short direction of the tray 11 positioned at the bottom on the upper surface of the horizontal portion 2a. 12a is brought into contact with and locked.

  When both the rotating shafts 1 further rotate inward, as shown in FIG. 4, as the horizontal portion 2a and the vertical portion 2b of the cutout portion 2 gradually move downward, the tip 12a of the flange 12 moves on the horizontal portion 2a. The tray 11 is pushed downward by the vertical portion 2b.

  Finally, as shown in FIG. 5, the lowermost tray 11 is completely separated from the tray 11 superimposed thereon and dropped and supplied onto the conveyor 4 disposed below.

  Next, when both the rotating shafts 1 are further rotated inward, the tray 11 is held while the circumferential portion of the rotating shaft 1 is in contact with the tip 12a of the flange 12 of the next tray 11, and again shown in FIG. When the notch portion 2 of the rotating shaft 1 is disposed opposite to the position, the front end 12a of the flange 12 of the tray 11 is in contact with and locked to the upper surface of the horizontal portion 2a. Thereafter, the same operation is repeatedly performed, and the trays 11 are successively dropped and supplied onto the lower conveyer 4.

It is a top view which shows the tray supply apparatus which concerns on this invention. It is a front view same as the above. It is explanatory drawing of the first process which shows the operation | movement same as the above. It is explanatory drawing of a next process. Furthermore, it is explanatory drawing which shows the next process.

Explanation of symbols

A Tray supply device 1 Rotating shaft 2 Notch 7 Motor 11 Tray 12 Flange 12a Tip of flange

Claims (2)

  A tray supply device that drops and feeds a plurality of trays stacked one above the other one by one downward, with two rotating shafts arranged in parallel at predetermined intervals on both sides. A notch is provided on the outer periphery in the axial direction so that the flange ends on both sides of the tray located at the bottom are engaged and disengaged by the rotation of the rotation shaft, and both rotation shafts are synchronized with the drive source so that they rotate intermittently inward. A tray feeder characterized by that. The tray supply device according to claim 1, wherein the rotating shaft is formed in a round bar shape, and a cutout portion provided on an outer periphery in the axial direction is formed in a substantially L-shaped cross section.

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