JPS6123046A - Plate-like article take-out device - Google Patents

Abstract

PURPOSE:To make it possible to completely separate plate-like articles from each other and to take out them one by one without they being damaged, by providing a pusher having a pushing member and a receiving and rotating device having a receiving member. CONSTITUTION:A pusher 21 has a pushing member 28 attached at the front end of a pair of arm members 27 fitted onto a shaft 26. The front end of this pushing member 28 always rides on the upper surface of a topmost plate-like articles 99 under its weight, and an engaging section is formed on the lower surface of the member 28, having a projected length smaller than the thickness of the plate- like articles 99. Accordingly, the engaging section 3 is engaged with the trailing edge end 98 of the topmost plate-like article 99. Further, a receiving and rotating device 50 has a receiving member 53 with its upper piece 57 being set on the upper surface of the plate-like article 90 while its lower piece 60 is set to be opposed to the leading edge end 97 of the plate-like articles 99 below the second one. Further, when the topmost plate-like article 99 is pushed out by the pushing member 28 of the pusher 21, the leading edge end 97 thereof is inserted into a receiving section 58. Accordingly, the topmost plate-like article 99 alone may be surely taken out without being damaged.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application This invention relates to a take-out device for plate-like articles that separates and takes out horizontally stacked plate-like articles having a rectangular planar shape one by one. It is particularly suitable for taking out stacked semi-finished or completed printed circuit boards.

Conventionally, in order to take out printed circuit boards one by one from stacked printed circuit boards, it is possible to vacuum them with a suction cup and take them out from the top. It is being done.

Problems to be Solved by the Invention When trying to vacuum-suction printed circuit boards, there are cases where the surface has holes or contains moisture and cannot be suctioned, and when the board is suctioned and lifted, the next one is lifted at the same time. Therefore, it is difficult to completely separate each piece and take it out reliably. In addition, when extruding from the bottom end, there is a problem in that a large weight is applied from above, making it easy to damage.

Also, the printed circuit board is often slightly curved in parts, so if you try to push out one piece at a time starting from the top one, you may have to push two pieces at the same time, or force only the top surface of the top one. Pressing may cause damage.

The present invention solves these problems and provides a device for taking out plate-shaped articles that can completely separate and reliably take out stacked plate-shaped articles such as printed circuit boards one by one without damaging them one by one. It is something to do.

Means for Solving the Problems This invention has a lifting means for raising horizontally stacked plate-like articles so that a predetermined portion of the upper surface always reaches a predetermined height. This is a device for taking out plate-shaped articles one by one, and the plate-shaped article can be placed near the rear edge of the plate-shaped article that has come to the upper end, and the plate can be placed a little further back from the tip. The plate-shaped article has an engaging part that protrudes downward by a length smaller than the thickness of the plate-shaped article, and is designed to be able to advance and retreat at least slightly in the front and rear directions, so that the engaging part engages with the rear edge of the plate-shaped article when moving forward. An extrusion device having an extrusion member adapted to extrude the extrusion device, and an upper piece placed on the upper surface near the front edge of the upper end plate-shaped article before the extrusion member of the extrusion device extrudes the plate-shaped article. and disposed downward from this upper piece through an insertion part with an interval slightly larger than the thickness of the plate-shaped article and smaller than twice the thickness, and whose length is shorter than that of the upper piece and whose tip is not more than the second from the top end. and a receiving and rotating device including a receiving member having a lower piece opposite to the front edge of the plate-like article so that the plate-like article can be rotated by a predetermined angle when the plate-like article is inserted into the insertion section. The present invention provides a device for taking out plate-shaped articles, which is characterized by:

EXAMPLE An example of the present invention will be described below with reference to the drawings.

In one embodiment of the invention shown in the figure, 10 is a frame. Reference numeral 11 indicates a lifting means, which is constructed as follows. That is, 12 is a table lifter that receives, supports, and lifts the stacked printed circuit boards 99. 13 is an electric motor. Reference numeral 15 designates a pair of upright screws driven by this electric motor, into which female screw members 16 provided on the table lifter 12 are screwed together. 17 is a detection device for regulating the upper end position of the stacked printed circuit boards 99, and a light source 18 that sends light in the horizontal direction.
It has a photoconductive element 20 that detects light from this light source. When the photoconductive element 2o is detecting light from the light source 18, the electric motor 13 drives the screw 15 to move the table lifter 12 upward, and the photoconductive element 20 no longer detects the light from the light source 18. The electric motor 13 is stopped. Therefore, the position of the upper surface of a predetermined portion of the upper end printed circuit board 99 is kept constant.

Reference numeral 21 indicates an extrusion device, which is constructed as described below. That is, 22 is a guide part provided on both sides of the frame 10, and 23 is a pair of guide parts that extend horizontally in the front-rear direction so that they can be fixed at any position by means not shown, passing through each guide part. Extending mounting rods, reference numeral 25 are bearing devices added to the tips of each pair of mounting rods 23 on both sides, and reference numeral 26 is a shaft extending in the lateral direction (27) whose both ends are rotatably supported by the bearing devices, respectively. is fixed to this shaft and extends downward 1
The pair of arm members 28 is an extrusion member rotatably connected to the distal end of the arm member by a pin 30.

The tip of this extrusion member is arranged so that it is always placed on the upper surface of the plate-shaped article 99 at the upper end by its own weight, and a step is provided below on the lower surface slightly away from the tip, shorter than the thickness of the plate-shaped article 99. A protruding engaging portion 31 is formed. 3
Reference numeral 3 designates a spline shaft whose front end is supported by one bearing device 25 and whose rear end is rotatably supported by the guide portion 22 so as to be able to move forward and backward, and when this shaft is rotated, a bevel gear 35° 3 is formed.
6, the shaft 26 can be rotated.

37 is an electric motor with a reduction gear. Reference numeral 41 designates an output shaft of this electric motor, to which a cam 42 is attached, and a lever 43 contacts this cam to perform reciprocating rotational movement. This lever is adapted to raise and lower a connecting rod 45 that extends in the vertical direction and is movable.9, the spline shaft 33 can be reciprocated and rotated via a lever 46 that moves the connecting rod up and down. ing. Therefore, spline shaft 3
3 makes a reciprocating rotational movement, the shaft 26 makes a reciprocating rotational movement, so that the pushing member 28 moves back and forth.

When the extrusion member 28 is in a retracted state, the engaging portion 31 is retracted from the rear end edge 98 of the plate-like article 99, and when it moves forward from this state, the engaging portion 31 is at the upper end of the rear end edge of the plate-like article 99. 9
8 to advance this plate-shaped article a predetermined length.

Reference numeral 50 denotes a receiving and rotating device, which is configured as described below. That is, 51 is a shaft rotatably supported at both ends with respect to the frame 10, 52 is two mounting members attached to this shaft, and 53 is connected to each mounting member by a pin 54, and the upper end The position and the lower end position are respectively set by a stopper 55.
．． This is a receiving member that is restricted by 56 and can be rotated slightly.

This receiving member has an upper piece 57 extending slightly longer toward the rear and a width slightly wider than the thickness of the plate-shaped article 99.
The lower piece 60 is shorter than the upper piece 57 through the insertion part 58 with an inlet part spacing narrower than twice the thickness of 9. The upper piece 57 is placed on the upper surface of the upper plate-like article 99 from above, and the end of the lower piece 6o is the front end of the second or lower plate-like article 99 from the top. Rim 97
They are arranged so as to be close to and facing each other. But part 5
8. 63 is the output shaft 41
A cam attached to the cam, 6514 - A lever 67 is connected so that it can be raised and lowered by the movement of this 17 bar. A rack 68 is attached to the upper part of this bar member and meshes with a pinion 70 attached to the shaft 51, so that reciprocating rotational motion is transmitted to the shaft 51. When the front edge 97 of the plate-shaped article 99 is inserted into the insertion portion 58 of the receiving member 53, it rotates by 180 degrees so that the plate-shaped article 99 is received by the conveyor 72. After moving forward slightly, it rotates 180 degrees in the opposite direction and returns to its initial state.

Therefore, the conveyor 72 can sequentially deliver the plate-shaped articles 99 one by one.

In the embodiment described above, it is possible to make various changes. There may be three or more extruding members 28 and receiving portions 53, or only one may be provided if their widths are sufficiently wide. Further, the receiving member 53 is arranged so that the distance between the receiving members 53 becomes narrower toward the back of the insertion portion 58 and the plate-shaped article 99 is inserted into the receiving member 53 .
It may also be possible to hold it firmly. Alternatively, the plate-shaped article 99 inserted into the insertion portion 58 of the receiving member 53 may be firmly held by another clamping member, rotated, and then released. Also, the angle at which the receiving rotation device 50 rotates is 18
Instead of 0 degrees, various predetermined angles such as 90 degrees may be used.
The means for receiving and transporting the nine plate-shaped articles from this state may be various.

Effects of the Invention Since the present invention is provided with the extrusion device 21 having the extrusion member 28 as described above and the receiving rotation device 50 having the receiving member 53, the extrusion member 21 is attached to the rear edge of only the upper end plate-shaped article 99. 98 must be reliably pushed out and the receiving member 5
3 is the front edge 9 of only the extruded upper end plate-shaped article 99.
7 into the insertion part 58 and rotate to insert the next plate-shaped article 9.
9 can be completely separated and only the plate-shaped article 99 at the upper end can be taken out, and this plate-shaped article 99 is not damaged.

[Brief explanation of drawings]

Fig. 1 is a side view showing an embodiment of the present invention with a part removed, Fig. 2 is a plan view thereof, Fig. 3 is a front view with a part omitted, and Fig. 4 is a perspective view showing the main parts. It is a diagram. 10 is a frame, 11 is a lifting means, 12 is a table lifter, 18 is a light source, 20 is a photoconductive element, 21 is an extrusion device, 28 is an extrusion member, 31 is an engaging portion, 50 is a receiving rotation device, and 53 is a receiving device. Components, 57 are shown in Figure 2, Figure 3, Figure 1+, and S.

Claims (1)

[Claims] A plate-shaped article having a lifting means for raising horizontally stacked plate-shaped articles so that a predetermined portion of the upper surface is always at a predetermined height, and taking out the plate-shaped articles at the upper end one by one in a stopped state. An article retrieval device, which is capable of being placed on top of the plate-like article near the rear end edge that has come to the upper end, and is placed slightly backward from the tip and downwardly by a length smaller than the thickness of the plate-like article. An extrusion device having an extrusion member that has a protruding engagement part and is configured to move forward and backward at least slightly in the front-rear direction, so that the engagement part engages with the rear end edge of a plate-shaped article and extrudes it when moving forward. and an upper piece that is placed on the upper surface near the front edge of the upper end of the plate-shaped article before the extrusion member of this extrusion device extrudes the plate-shaped article, and a thickness of the plate-shaped article from this upper piece. A lower piece facing the front edge of a plate-shaped article, which is arranged downward through insertion parts that are slightly larger and spaced smaller than twice its thickness, and whose length is shorter than that of the upper piece and whose tip is no more than the second from the top. 1. A device for taking out a plate-shaped article, comprising: a receiving member having a receiving member having a receiving member, and a receiving and rotating device configured to rotate the plate-shaped article by a predetermined angle when the plate-shaped article is inserted into an insertion section.