JP3509884B2 - Hex Socket Set Screw Automatic Feeder - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a hexagon socket set screw automatic supply device capable of supplying or storing the hexagon socket set screw in the proper direction in the next step.

[0002]

2. Description of the Related Art Conventionally, there are various types of automatic feeders for pan head screws having a head, which are useful for assembling work and efficient storage. On the other hand, automatic feeders for hexagon socket set screws. As for the above, there are very few types, and even a few of them are expensive and large.

[0003]

Regarding the automatic feeder for the hexagon socket set screw, the hexagon socket set screw is easy to take out in a specific state by the automatic feeder such as a machine screw or a bind machine screw. Since it is not a thing, the structure for taking out the head of the hexagon socket set screw in the same direction as that of the hexagonal hole becomes complicated, which is not only expensive but also extremely large. was there.

[0004]

Therefore, as a result of earnest researches to solve the above problems, the present inventors
An automatic feeder that stores a large number of hexagon socket set screws and supplies them in a state where they are not aligned in the vertical direction. There is a hexagon socket set screw with a depth corresponding to the screw length for receiving the supplied hexagon socket set screw, which is arranged close to the hopper. A means for receiving and transferring a set screw with a hexagonal hole, which is radially provided on a rotating body and has a vertically movable sliding pin that can be inserted into the hexagonal hole, and a means for receiving and transferring the set screw with the hexagonal hole. To the sliding pin in cooperation with the means for removing the hexagon socket set screw supplied at the top of the side by raising the sliding pin and the means for receiving and transferring the hexagon socket set screw. Hexagon inserted With the hexagon socket set screw automatic supply device provided with means for holding the set screw and discharging it to the means for sending out, the structure can be made extremely simple, and all can be oriented in the proper direction. The hexagon socket set screw can be efficiently supplied to or stored in the next step, which solves the above problem.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. As shown in FIGS. 1 and 2, a hopper A is provided above the separation index B, and the separation index B is provided. A supply index D is provided below. An appropriate number of hexagon socket set screws S, S, ... Are put in the hopper A, and the hopper A
More delivery holes 1a, 1 provided in the separation index B
A hexagon socket set screw S is sent to each of a, ..., The separation index B is further rotated, and the hexagon socket set screw S is sent to the supply index D of the next process. The supply index D is also referred to as a delivery means D. The separation index B
As shown in FIGS. 1 and 3, a plurality of delivery holes 1a, 1a, ... Are formed in the rotating body 1, and a hexagon socket set screw S can be housed in the delivery hole 1a. Specifically, as shown in FIG. 3, the rotating body 1 is formed in a flat disc body, and further, a plurality of delivery holes 1a, 1a, ... Are provided on the outer peripheral side surface of the flat disc body. It is formed radially at a predetermined interval.

Further, as shown in FIGS. 1 to 3, the separation index B is provided with the same number of slide pins 2, 2, ... As the number of the transfer holes 1a, 1a ,. 2 is provided slidably in the delivery hole 1a. More specifically, as shown in FIG. 4, the delivery hole 1a is provided.
A sliding hole 1b is formed from the bottom portion toward the center of the rotating body 1, and the sliding pin 2 slides in the sliding hole 1b.

As shown in FIG. 1, each of the sliding pins 2 reciprocates in the delivery hole 1a with the rotation of the rotating body 1 by the cam C provided at the center of the rotating body 1. The sliding pin 2 has a tip 2 in the axial direction of the pin.
a can be loosely inserted into the hexagonal hole Sh of the hexagon socket set screw S housed in the delivery hole 1a. Said separation index B is also referred to as means B for transporting.

As shown in FIGS. 2 and 3, the other end of the sliding pin 2 forms a sliding contact portion 2b with the cam C, and the cam C causes the sliding contact portion 2b to perform a predetermined operation. By doing so, the sliding pin 2 moves in the delivery hole 1a. As a specific shape, as shown in FIGS. 3 and 4, the end portion of the sliding pin 2 is bent. As the sliding contact portion 2b, and the sliding contact portions 2b, 2b,
Are projected and are in contact with the cam groove C1 of the cam C attached to the rotor 1 so as to be driven.

Further, a spring 3 is provided between the delivery hole 1a and the tip portion 2a of the sliding pin 2 as shown in FIGS.
Is attached, and the tip portion 2a is always
The hexagon socket set screw S that is improperly inserted into the delivery hole 1a can be discharged from the delivery hole 1a because the delivery hole 1a is urged so as to be pressed in the opening direction of the delivery hole 1a. ing.

Here, the state where the hexagon socket set screw S properly enters the delivery hole 1a means that the hexagon hole Sh of the hexagon socket set screw S is for delivery as shown in FIG. 5 (a). Hole 1
This means that the tip 2a of the sliding pin 2 can be freely inserted into the hexagonal hole Sh of the hexagon socket set screw S. The state where the set screw S with a hole improperly enters the delivery hole 1a means that the hexagonal hole Sh faces the opening of the delivery hole 1a as shown in FIG. 5 (b). , The state in which the tip 2a of the sliding pin 2 cannot be freely inserted into the hexagonal hole Sh of the hexagon socket set screw S.

The cam C is of a fixed type, and as shown in FIGS. 1 and 2, as the rotating body 1 of the separation index B rotates, the sliding pin 2 inside the rotating body 1 is rotated.
2, ... Sliding pins 2,2 according to the cam groove C1 of the cam C
... is moved in a predetermined state, and it is particularly confirmed whether or not the hexagon socket set screw S that has entered the delivery hole 1a from the hopper A is properly inserted.

That is, as described above, at the location where the hexagon socket set screw S from the hopper A passes through the delivery location, the operation according to the cam C is performed, and the sliding pin 2 projects to the opening location of the delivery hole 1a. , When the hexagon socket set screw S is properly inserted, as shown in FIG.
Is loosely inserted into the hexagonal hole Sh of the hexagon socket set screw S, so that even if the tip 2a of the sliding pin 2 projects up to the opening of the delivery hole 1a, the hexagon socket set screw S is inserted into the delivery hole 1
Not released from a.

Further, the hexagon socket set screw S has a delivery hole 1
When it comes into the inside of a inappropriately, as shown in FIG. 5 (b), the sliding pin 2 is not loosely inserted into the hexagonal hole Sh, and the tip 2a of the sliding pin 2 is delivered. When the hexagon socket set screw S is projected to the opening of the hole 1a
It is pushed up from within a and is discharged to the outside. At this time, the hexagon socket set screw S discharged is returned to the hopper A again.

As shown in FIGS. 1 and 2, the rotating body 1 of the separation index B is rotated by the motor M via the spur gear mechanism Gs, and the rotation of the separation index B rotated from the hopper A. Delivery holes 1a, 1 of the body 1
The hexagon socket set screws S, S, ... Are to be inserted into a ,.

Further, at the position where the hexagon socket set screw S is fed from the separation index B to the next step, the cam C is also provided.
Causes the sliding pin 2 to protrude into the opening of the delivery hole 1a,
The hexagon socket set screw S is forcibly pushed out. In addition to the above, for example, at the delivery position of the hexagon socket set screw S between the separation index B and the hopper A, etc., as shown in FIG. As shown, in order to facilitate the insertion of the hexagon socket set screw S into the delivery hole 1a, the tip portion 2a of the sliding pin 2 is retracted.

As shown in FIG. 1, the separation index B is provided with a guide 4, and the delivery holes 1a, 1 are provided.
Hexagon socket set screw S, which has entered the appropriate state for a, ...
, S are prevented from falling off from the delivery holes 1a, 1a, ..., and the separation index B and the supply index D,
Alternatively, as shown in FIG. 6, a delivery through hole 4a is formed only at the delivery location of the hexagon socket set screw S with other delivery means, and the hexagon socket set screw S is used as the supply index D from the delivery through hole 4a. Can be sent.

As shown in FIG. 8, the supply index D of the feeding U-shaped portions 6a, 6a is formed in the outer peripheral portion at a predetermined interval.
A disc-shaped revolving unit 6 forming 6a, ... Is rotatably provided on a horizontal plane in a guide portion 7 having a circular periphery with a concave cross section, and the transport U-shaped portions 6a, 6a ,. The location and the passing location of the delivery holes 1a, 1a, ... Of the separation index B are aligned, and the hexagon socket set screws S, S, ... Inside the delivery holes 1a, 1a ,. 6a, ...
Can be supplied to.

Further, as shown in FIG. 6, a feed guide 5 is provided between the separation index B and the supply index D, and a hexagon socket set screw S can be inserted into the feed guide 5. A feed passage 5a is formed, and a hexagon socket set screw S is fed from the delivery hole 1a of the separation index B to the feed U-shaped portion 6 of the feed index D in the feed passage 5a.
It serves to transfer to a.

The transport U-shaped portion 6 of the supply index D
The number of a, 6a, ... Denotes the delivery hole 1 of the separation index B
The number of rotations per unit time is larger than that of the separation index B, so that the feed index D has a plurality of hexagons at a time. The structure is such that the set screws S with holes S, S, ... Do not collect.

As shown in FIGS. 7 and 8, the transport U-shaped portion 6a is formed as a U-shaped cutout on the outer peripheral side surface of the disc-shaped revolving structure 6 so as to be an outer opening. A feed groove 7a is formed at the outer peripheral portion of the guide portion 7, and the feed groove 7a coincides with the passage portion of the transport U-shaped portions 6a, 6a, ... Of the revolving unit 6. And the hexagon socket set screw S contained in the transport U-shaped portion 6a
It moves along the feed groove 7a while moving the character portion 6a.

The guide portion 7 is shown in FIG. 7 (indicated by a dotted line in the figure).
Further, as shown in FIG. 8, a take-out groove line 7b is formed, and the take-out groove line 7b is connected to the take-out groove line 7a and the take-out part 8 formed outside the guide part 7, and the revolving structure 6 The hexagon socket set screw S conveyed along the feed groove 7a by the conveying U-shaped portion 6a is conveyed to the take-out portion 8 via the take-out groove 7b.

An extrusion protrusion 6b is formed adjacent to the transport U-shaped portion 6a at a rear position as viewed from the traveling direction of the transport U-shaped portion 6a of the swing body 6 (the same direction as the swing direction of the swing body 6). When the set screw S with hexagonal hole in the carrying U-shaped portion 6a reaches the take-out groove 7b from the feed groove 7a, the set screw S with hexagonal hole is transferred into the U-shaped form as shown in FIG. Part 6a
Further, the hexagon socket set screw S starts to separate along the take-out groove 7b, and at the same time, the hexagon socket set screw S is pushed out to the take-out portion 8 by the push-out projection 6b.

An optical sensor L is attached to the take-out portion 8, and when the hexagon socket set screw S pushed out from the supply index D interrupts the optical path of the sensor, the motor M is stopped after a predetermined time.

During the predetermined time, the supply index D further rotates, the extrusion protrusion 6b goes too far, and the screw at the take-out portion is released from the state where the next screw is pressed, so that the screw is taken out without being caught. Can be done smoothly.

Adjustment guides E are provided at the eight pick-out portions, and as shown in FIG. 1, when the driver T is magnetized and the hexagon socket set screw S is manually taken out, and automatic screw tightening is performed. When taking out the hexagon socket set screw S by vacuum suction in a device or the like, in order to prevent the next hexagon socket set screw S from jumping out together, the next hexagon socket set screw S located at the rear is located. Is pressed from above.

As shown in FIGS. 9 and 10, the adjusting guide body E has a height adjusting portion 10 formed from one end of a presser guide portion 9 having a take-out elongated hole 9a formed at the center thereof. The adjustment guide body E is provided on the side of the case body H so that the adjustment guide body E can be moved and fixed in the vertical direction. The adjustment guide body E is fixed to the inner screw portion 13 formed at a predetermined position of the case body H. The outer screw portion 11a of the fixed photograph 11 having the outer screw portion 11a that can be screwed is passed through the adjustment through-hole 10a formed in the height adjusting portion 10, and the fixed screw 11 of the inner screw portion 13 is fixed. The outer screw portion 11a is fastened and fixed.

According to the height of the hexagon socket set screw S sent to the take-out section 8, the hexagon socket set screw S is taken out from the take-out section 8.
The height of the presser guide portion 9 is adjusted so that it can be moved inside, and the fixed photographing unit 11 is tightened to fix the adjustment guide body E.

Further, as shown in FIG. 2, the adjustment guide body E
A height adjusting base 12 on which the hexagon socket set screw S can be placed is provided below the height adjusting unit 10 at an appropriate interval, and the space between the height adjusting unit 10 and the height adjusting base 12 is provided. Is set to be equal to the distance between the presser guide portion 9 and the bottom of the take-out portion 8.

As shown in FIG. 9, a desired hexagon socket set screw S is placed on the height adjusting table 12, and the height adjusting unit is arranged so as to substantially abut on the top of the hexagon socket set screw S. 10
Adjust the guide body E with the fixed camera 11 by abutting the lower end of the
When is fixed, the vertical distance between the holding guide portion 9 and the take-out portion 8 is set to the height of the hexagon socket set screw S.

[0030]

According to the first aspect of the present invention, a large number of setscrews with hexagonal holes are housed and the setscrews with hexagonal holes S supplied from the hopper A which are supplied in a state where the vertical directions are not aligned are sent out. An automatic feeding device for vertically aligning and feeding the means, which is arranged close to the hopper A,
A receiving hole 1a having a depth corresponding to the screw length for receiving the supplied hexagon socket set screw, and a vertical movement capable of being inserted into the hexagon hole Sh of the hexagon socket set screw in the delivery hole 1a. Means B for receiving and transferring the hexagon socket set screws S radially provided on the rotating body for rotating the slide pin 2 and the hexagon hole Sh not inserted into the slide pin 2.
Means for eliminating the hexagon socket set screw supplied at the top on the opposite side by raising the sliding pin 2, and means B for receiving and transferring the hexagon socket set screw S.
And a means for holding the hexagon socket set screw inserted into the sliding pin 2 in cooperation with the discharge pin and discharging the hexagon socket set screw to the means for delivering. First, the set screws S, S, ... With hexagonal holes can be surely aligned in a certain direction so that they can be efficiently delivered to or stored in the next step, and secondly, the hexagons from the separation index B to the next step can be stored. The hole set screw S can be reliably supplied, and thirdly, various effects such as low cost and compactness can be obtained.

According to a second aspect of the present invention, the means for eliminating is supplied and stored at the top of the side opposite to the hexagonal hole Sh which is not inserted into the sliding pin 2 due to the vertical movement due to the sliding of the sliding pin 2. The hexagon socket set screw S is removed from the delivery hole 1a by raising the sliding pin 2, and the discharging means is arranged along the outer periphery of the rotating body 1 and stored in the delivery hole 1a. The hexagon socket set screw automatic feeding device according to claim 1, which is a guide 4 having an open portion for holding the set hexagon socket set screw S and discharging it to the means for sending out. Only by providing the guide 4 in the means B for transferring, the hexagon socket set screws S housed in the delivery holes 1a of the rotating body 1 can be reliably discharged one by one to the means for sending out.

That is, in the transfer means B, the hexagon socket set screws S, S, ... Entering the proper state in the delivery holes 1a, 1a, ... Are guided by the guide 4 to the delivery holes 1a, 1a. , And so on, the hexagon socket set screw S can be securely transferred one by one to the means for delivering the hexagon socket set screw S, and the work efficiency can be improved.

[0033]

[0034]

[Brief description of drawings]

FIG. 1 is a vertical sectional front view of the present invention.

FIG. 2 is a vertical side view of the present invention.

FIG. 3 is a perspective view of a rotating body and a cam.

FIG. 4 is a perspective view of a main part showing a configuration of a rotating body and a sliding pin.

5 (a) and 5 (b) are schematic diagrams showing the main operation of the present invention.

FIG. 6 is an enlarged sectional view of an essential part of the present invention.

FIG. 7 is a plan view of a supply index.

FIG. 8 is an exploded perspective view of a supply index.

FIG. 9 is a vertical sectional side view of the supply index and the adjustment guide body.

FIG. 10 is a cross-sectional view of a presser guide portion of an adjustment guide body.

[Explanation of symbols]

A ... Hopper B ... Separation index 1 ... Rotating body 1a ... Delivery hole 2 ... Sliding pin 2a ... Tip 4 ... Guide C ... Cam S ... Hexagon socket set screw Sh ... Hexagon socket

─────────────────────────────────────────────────── ─── Continuation of the front page (58) Fields surveyed (Int.Cl. ⁷ , DB name) B23Q 7/02 B65G 47 / 84,47 / 86 B65G 65 / 48,47 / 14

Claims (2)

(57) [Claims] 1. A hexagon socket set screw supplied from a hopper, which accommodates a large number of hexagon socket set screws and supplies them in a vertically unaligned state, is supplied in a vertically aligned manner to a means for sending out. An automatic feeding device which is arranged close to the hopper and has a depth corresponding to the screw length for receiving the supplied hexagon socket set screw and a hexagon in the delivery hole. A rotating pin that can be inserted into the hexagonal hole of the set screw with a hole
A number of radially arranged means for receiving and transferring the hexagon socket set screw, and a hexagon socket set screw supplied at the top opposite to the hexagon hole not inserted into the slide pin are provided on the slide pin. A means for removing by ascending and a means for holding and delivering the hexagon socket set screw inserted in the sliding pin in cooperation with the means for receiving and transferring the hexagon socket set screw. An automatic hexagon socket set screw feeder, characterized in that it comprises means for discharging. 2. The means for eliminating is a set screw with a hexagonal hole which is supplied and housed at the top of the hexagonal hole opposite to the hexagonal hole which is not fitted to the sliding pin by the vertical movement of the sliding pin. The sliding pin is lifted to be removed from the delivery hole, and the releasing means is arranged along the outer periphery of the rotating body to hold the hexagon socket set screw housed in the delivery hole, and The hexagon socket set screw automatic supply device according to claim 1, wherein the guide is a guide having an opening for discharging to a means for sending out.