JPH06156707A - Part supplying device - Google Patents

Abstract

PURPOSE:To carry parts one by one to a specific position securely without sucking them together and breaking them. CONSTITUTION:A parts supplying device consists of a parts feeder 10, a guide groove 11, a stopper 13 and a chuck 24. The guide groove 11 is provided linearly in the lateral direction and formed at a depth as same as the thickness of a parts P, and the groove surface thereof is inclined at an angle for falling a parts P in the case where the parts P are overlapped. The tip of the guide groove 11 is provided with a stopper 13 having the surface crossing the guide groove 11 to seal it. A position in this side of the guide groove 13 from the stopper 13 is set as a chuck position T, and the guide groove 11 is provided with a notch 11c at this chuck position T. A chuck 24, which goes forward and backward to/from this notch 11c, is supported by a holder 22 and arranged in the back surface of the guide groove 11. The parts P are sucked by the chuck 24 one by one, and the holder 22 is moved to carry the parts P from the chuck position T to a specific position.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a part supply device for transferring parts such as AT crystal blanks one by one to a predetermined position.

[0002]

2. Description of the Related Art Conventionally, as shown in FIG. 7, a part feeding apparatus of this type is provided with a horizontal guide groove 1 for linearly aligning the parts 2, and the guide groove 1 is provided at the tip thereof. In some cases, a stopper 3 for positioning the leading part 2 at the chuck position is provided, and a chuck 4 for sucking the part 2 is arranged above the chuck position.

Then, a part 2 is fed into the guide groove 1 by a part feeder (not shown), aligned and fed in order, and the leading part 2 is brought into contact with the stopper 3 to position it at the chuck position. Some of the parts 2 are adsorbed by the chuck 4 and reciprocated as shown by the arrow to carry them to a predetermined position.

[0004]

However, for example, as shown in FIG.
As shown in FIG. 5, when the part 2 is in the shape of a convex lens, the parts 2 fed from the back onto the leading part 2 can easily get on one after another. Then, since the chuck 4 sucks from the top, the leading part 2 and the next part 2 mounted on it are sucked together, or as shown in FIG. The chuck 4 is strongly pressed against the
There was a problem that the tool 2 was damaged.

SUMMARY OF THE INVENTION Therefore, an object of the present invention is to reliably carry the parts one by one to a predetermined position without adhering or damaging them together.

[0006]

For this reason, this part feeder is provided with a part P as shown in the following illustrated embodiment.
The part feeder 10 which feeds in and the part P sent by the part feeder 10 are linearly aligned and guided, and when the part P overlaps, the part P which overlaps A guide groove 11 that is inclined at an angle to drop, a stopper 13 that positions the leading part P in the guide groove 11 at a chuck position T, and a leading part P that is positioned at the chuck position T by the stopper 13 are provided. And a chuck 24 for adsorbing and carrying it to a predetermined position.

According to a second aspect of the present invention, a notch 11c is provided in the guide groove 11 at the chuck position T in the part supplying apparatus according to the first aspect, for example, as shown in the following illustrated embodiment. , The leading part through the notch 11c.
The chuck 24 is arranged on the back side of the guide groove 11 so as to adsorb the tool P.

According to a third aspect of the present invention, the leading part P positioned at the chuck position T in the part supplying apparatus according to the first aspect is, for example, as shown in the following illustrated embodiment. Is provided with suction means 15 for temporarily holding the chuck position T at the chuck position T.

[0009]

The part P is fed into the guide groove 11 by the part feeder 10 and linearly aligned and guided. When the part P overlaps, the part P is dropped. ,
The leading part P in the guide groove 11 is positioned at the chuck position T by the stopper 13, and the leading part P is sucked by the chuck 24 and carried to a predetermined position.

According to the second aspect, when the front part P positioned at the chuck position T is sucked by the chuck 24, it is carried out from the back side surface of the guide groove 11 through the notch 11c.

According to the third aspect, when the leading part P is positioned at the chuck position T by the stopper 13, the part P is temporarily held by the suction means 15.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a schematic configuration of a main part of a parts supply device according to an embodiment of the present invention.
Reference numeral 11 in the figure indicates a guide groove. The guide groove 11 is formed by linearly cutting the upper end of the raised plate portion 12 along the upper edge in the lateral direction, and the surface 11a inclined by 45 degrees or more with respect to the horizontal direction and this surface formed on the lower side. And the surface 11b of the stepped portion 12a orthogonal to. Then, the step from the surface of the step portion 12a is set to the thickness of the thin plate-like part P described later.

A stopper 13 having a surface orthogonal to the guide groove 11 for closing the guide groove 11 is provided at the tip of the guide groove 11. The position of the guide groove 11 in front of the stopper 13 is the chuck position T, and the surface 11a of the guide groove 11 is provided with a notch 11c cut out from the side edge on the opposite side of the surface 11b at the chuck position T. A suction port 11d is provided at a position near the notch 11c, and the suction pipe 14
Are connected from the back side of the guide groove 11 to form a part of the suction means 15. Further, on the front side of the guide groove 11, the chuck position T
An optical sensor 16 directed toward

By the way, a thick plate-shaped bracket 17 having one surface thereof directed toward the guide groove 11 is provided, and a bevel gear 18 having teeth having teeth only on a part of the outer periphery thereof is fixed to the surface of the bracket 17. On the other surface of the bracket 17, the rotary shaft 1 orthogonal to the other surface
9 is rotatably supported, and an arm 20 composed of arm portions 20a and 20b bent at a right angle to the rotary shaft 19 is fixed by one arm portion 20a. The arm part 20b
, A shaft 21 penetrating therethrough is rotatably provided, a rectangular plate-shaped chuck holder 22 is attached to one end thereof, and a bevel gear 23 capable of meshing with the tooth-missing bevel gear 18 is attached to the other end thereof. .

The chuck holder 22 is slidably provided with a nozzle-shaped chuck 24 which penetrates the chuck holder 22 in the thickness direction and has its tip end facing the notch 11c of the guide groove 11. A pipe 25 connected to a vacuum pump (not shown) is connected to the rear end of the chuck 24, and a flange 24a is provided on the rear end peripheral surface thereof. A coil spring 26 is mounted on the outer peripheral surface of the chuck 24 between the flange 24 a and the chuck holder 22 to urge the tip of the chuck 24 in a direction away from the guide groove 11.

On the rear side of the chuck 24, a rod-shaped actuator 27 which is operated by a hydraulic cylinder or a solenoid is provided. A roller 28 rotatably supported on the tip thereof is pressed against the flange 24a of the chuck 24 to stop the chuck 24 at a position where the tip thereof is in front of the notch 11c.

Then, a thin plate-like part P is fed from the part feeder 10 into the guide groove 11, and when the part P is disk-shaped in the guide groove 11, as shown in FIGS. Parts P
If is a convex lens, it is linearly aligned and guided as shown in FIG. When the leading part P hits the stopper 13 and is positioned at the chuck position T, the optical sensor 16 detects it and the suction pipe 14 of the suction means 15 is detected.
The leading part P is sucked by the suction port 11d via the and held at the chuck position T.

At this time, in the case where the part P is disc-shaped,
6 and when the part P has a convex lens shape, as shown in FIG. 6, when the next part P begins to overlap and further overlaps from this state, one of the guide grooves 11 Since the surface is inclined by 45 degrees or more and the other surface 11b has a width corresponding to the thickness of the part P, the part P that overlaps falls from the guide groove 11.

Next, the actuator 27 is actuated to push the chuck 24 against the biasing force of the coil spring 26 by the roller 28, and the leading edge of the chuck 24 holding the tip at the chuck position T through the notch 11c. -Press on the rear surface of the tool P. Then, after the part P is adsorbed by the vacuum through the pipe 25, the adsorption holding by the adsorbing means 15 is stopped.

Next, when the rotary shaft 19 is rotated in the normal direction (counterclockwise in the figure), the arm 20 rotates and the chuck 24, together with the chuck holder 22, crosses over the bracket 17 and extends from the position indicated by the solid line. Move to the predetermined position indicated by the chain line as shown by the arrow. At this time, the bevel gear 23 meshes with the toothless bevel gear 18 from the middle thereof, the shaft 21 rotates 1/4, and the chuck holder 22 changes its direction so that the tip of the chuck 24 faces downward. Then, the suction of the chuck 24 by the vacuum is stopped and the part P is separated from the chuck 24.

[0021]

According to the present invention, therefore, the parts are fed into the guide groove to be linearly aligned and guided, and when the parts are overlapped, the overlapped parts fall and the guide is provided. Since the top part of the groove is positioned at the chuck position by the stopper and sucked by the chuck, the parts are securely separated and sucked one by one without being sucked together or damaged. It can be brought into place.

According to the second aspect of the present invention, when the leading part positioned at the chuck position is sucked by the chuck, it is sucked through the notch from the back surface of the guide groove, so that the part is securely sucked. In addition, since the part can escape when the tip of the chuck is pressed against the part, it is possible to damage the part by applying excessive force to the part. To prevent.

According to the third aspect of the invention, when the front part positioned at the chuck position is sucked by the chuck, the part is temporarily held at the chuck position by the suction means. It can be surely adsorbed by the chuck.

[Brief description of drawings]

FIG. 1 is a perspective view showing a schematic configuration of a main part of a parts supply device according to an embodiment of the present invention.

FIG. 2 is a plan view of the parts aligned in the guide groove.

FIG. 3 is a side view in the case where the part has a disk shape having the same thickness.

FIG. 4 is a side view when the part has a convex lens shape.

FIG. 5 is a plan view in the vicinity of a chuck position showing a state where disk-shaped parts having the same thickness are partially overlapped.

FIG. 6 is a plan view in the vicinity of a chuck position showing a state where the convex lens parts are partially overlapped.

FIG. 7 is a perspective view showing the vicinity of a chuck position in a conventional part supply device.

FIG. 8 is an explanatory diagram showing a state where the parts are adsorbed and carried in a state where the parts are partially overlapped.

FIG. 9: One part with the parts completely overlapped
It is an explanatory view showing a state where a tool is damaged by a chuck.

[Explanation of symbols]

 10 part feeder 11 guide groove 11c notch 13 stopper 15 suction means 24 chuck P part T chuck position

Claims (3)

[Claims] 1. A part feeder for feeding parts and a part fed by the part feeder are linearly aligned and guided, and when the parts are overlapped, the parts are overlapped. −
A guide groove inclined at an angle at which the tool falls, and a stopper for positioning the leading part in the guide groove at the chuck position,
A part supply device, comprising a chuck for adsorbing the leading part positioned at the chuck position by the stopper and carrying it to a predetermined position. 2. The notch is provided in the guide groove at the chuck position, and the chuck is arranged on the back side of the guide groove so that the leading part can be adsorbed through the notch. Parts feeder. 3. The part supply device according to claim 1, further comprising a suction means for temporarily holding the leading part positioned at the chuck position at the chuck position.