JP2523547B2 - Grooved pin direction identification device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for discriminating and separating the direction of grooved pins.

2. Description of the Related Art Conventional direction detection of a grooved pin has a structure as shown in FIG.

That is, the grooved pin 2 supplied to the main body 1 in the a direction
Was stopped by the stopper 3, the presence or absence of the groove was confirmed by the sensor 4, and in the case of the reverse direction, the rotation device 5 was rotated in the direction b, and then the stopper 3 was dropped in the direction of the withdrawal arrow c.

However, in such a structure, when the pin size and the groove size are reduced, the detection by the sensor 4 becomes unstable and the reliability is lowered. Further, since only one grooved pin can be inserted into the main body 1, a pin separating device is required upstream in the direction of arrow a.

Means for Solving the Problems In order to solve the above problems, a grooved pin direction determination device of the present invention is a slider having a hole for receiving a grooved pin having a groove on the outer periphery, and the slider having the hole It has a main body that slidably supports in a direction perpendicular to the axial direction, and a U-shaped groove that allows the outer diameter portion of the groove of the grooved pin to pass through and the outer peripheral portion of the grooved pin that does not pass through. , An inspection jig that is reciprocated in a direction perpendicular to the sliding direction of the slider via a spring, a sensor that detects the position of the inspection jig, and two positions that make the slider different from each other according to information from the sensor. And a slider drive device for moving the slider to a position where the grooved pin can be ejected from the hole of the slider at two moving positions of the slider. Then
In addition to the above structure, one hole is provided below the slider of the main body, the other hole is provided above the slider, and an air hole for pressure feeding by air pressure is provided in the main body.

Action Insert an inspection jig with a U-shaped groove having the same inner dimension as the groove outer diameter of the grooved pin into the position where the groove should be. If there is a groove, it will go to the end, and if there is no groove, it will stop halfway. The state of this inspection jig is confirmed by a sensor to make a determination. By appropriately setting the dimensions of the U-shaped groove and the tip taper, even a small groove can be detected.

Example Hereinafter, an example of the present invention will be described with reference to the accompanying drawings.

FIG. 1 shows a direction detecting section in the first embodiment.
FIG. 2 is a plan view of FIG.

In each drawing, 2 is a grooved pin, 6 is an inspection jig having a U-shaped groove, and 7 is a cylinder for operating the inspection jig 6.
Reference numeral 8 denotes a spring that floats the inspection jig 6 when it hits the grooved pin 2, and is mounted between the inspection jig 6 and the cylinder 7.

Then, the inspection jig 6 is operated by the cylinder 7 and hits the grooved pin 2. Check the state with the sensor 9 and the grooved pin 2
Determine the direction of. This makes it possible to detect small grooves.

FIG. 4 shows a separation part in the first embodiment,
The drawing is a sectional view taken along line XX in FIG.

In each figure, 10 is a slider having a hole 10a for holding the grooved pin 2 and slidable in the directions of arrows d and a. Reference numeral 11 connects and holds the direction detecting portion and the slider 10, and also supplies a supply hole 11a and a distribution hole 11b.
It is a main body having two pieces. Reference numerals 12 and 13 are cylinders for sliding the slider 10, and 14 is a spring for pushing back the slider 10. The slider 10 is usually a cylinder 12 and a spring.
The pin holding hole 10a is set by 14 so as to coincide with the supply hole 11a of the main body 11.

Then, in the above state, the inspection jig 6 is operated by the cylinder 7, and the sensor 9 determines the direction of the grooved pin 2. In the positive direction, the cylinder 12 moves in the d direction and the grooved pin 2 flows out in the f direction. Cylinder 13 for reverse direction
Moves in the e direction, and the grooved pin 2 flows out in the g direction.
As a result, the direction inspection and the distribution can be performed in the same device.

FIG. 5 shows a separating portion in the second embodiment of the present invention, and what is different from the constitution of FIG. 4 is the hole position and the number of holes of the main body 15. The main body 15 includes a supply hole 15a and a distribution hole 15
a, 15b and two air supply holes 15c. Distribution hole 15
One of b is on the same side as the supply hole, and the air supply hole smaller than the grooved pin is arranged on the distribution hole 15b side on the same straight line.

The operation of the separating unit composed of the main body 15 will be described.

When the grooved pin 2 determined by the direction inspecting unit is in the positive direction, the slider 10 moves in the d direction and flows in the f direction as in the first embodiment. In the opposite direction, slider 10 is e
Direction, the air is supplied from the h direction at that time, and is pumped in the i direction.

As a result, the grooved pin 2 can be returned to the supply device, and when the flows in the i direction and the f direction are connected by a Y-type pipe or the like, the i direction and the f direction are respectively formed in the grooved pin 2 with respect to the flow direction. Since the groove positions are the same, it is possible to obtain grooved pins having the same posture.

EFFECTS OF THE INVENTION As described above, according to the present invention, the presence or absence of a groove is detected depending on whether or not the U-shaped groove of the inspection jig can pass. Therefore, the reciprocating position of the inspection jig greatly differs depending on whether or not the groove exists. Therefore, the presence or absence of the groove can be detected and determined very clearly, and the inspection jig is composed of a plate-shaped member that passes through the groove. There is an effect that it can be coped with by reducing the thickness. Further, in the separating part, by returning the pin in the opposite direction to the supply direction by air pressure feeding, or by pressure feeding in a different direction depending on the posture,
The pin supply device can be continuously operated regardless of the result of the inspection, and the postures of the pins can be aligned without using a reversing device or the like, resulting in a simple configuration.

[Brief description of drawings]

FIG. 1 is a front view of a direction inspecting section in the first embodiment of the present invention, FIG. 2 is a plan view of FIG. 1, FIG. 3 is a front view of the entire first embodiment, and FIG. FIG. 3 is a sectional view taken along line XX of FIG. 3, and FIG. 5 is a sectional view of a separating portion according to the second embodiment of the present invention.
The figure is a sectional view of a conventional direction detecting device. 6 ... Detection jig, 7 ... Cylinder, 8 ... Spring, 9 ...
Sensor, 10 ... Slider, 11 ... Main body, 12,13 ... Cylinder, 14 ... Spring, 15 ... Main body.

Claims (2)

(57) [Claims] 1. A slider having a hole for receiving a grooved pin having a groove on its outer periphery, a main body for slidably supporting the slider in a direction perpendicular to the axial direction of the hole, and a groove of the grooved pin. An inspection jig that has an U-shaped groove of an inner dimension that allows the outer diameter portion to pass through and the outer peripheral portion of the grooved pin not to pass through, and that can reciprocate through a spring in a direction perpendicular to the sliding direction of the slider. A sensor for detecting the position of the inspection jig, and a slider driving device for moving the slider to two different positions according to the information from the sensor. A grooved pin direction discriminating device in which holes that can be discharged from the holes of the slider are provided in the main body. 2. A slider having a hole for receiving a grooved pin having a groove on the outer periphery, a main body for slidably supporting the slider in a direction perpendicular to the axial direction of the hole, and a groove of the grooved pin. An inspection jig which has an U-shaped groove of an inner size that allows the outer diameter portion to pass therethrough and does not allow the outer peripheral portion of the grooved pin to pass therethrough, and can reciprocate through a spring in a direction perpendicular to the sliding direction of the slider. A sensor for detecting the position of the inspection jig, and a slider driving device for moving the slider to two different positions according to the information from the sensor. Holes that can be discharged from the holes of the slider are respectively provided in the main body, one hole is provided below the slider of the main body, and the other hole is provided above the slider,
A grooved pin direction discriminating device in which an air hole to be fed by air pressure is provided in the main body.