JP3192201B2 - 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 set screw having a hexagonal hole which can be supplied to the next step or stored while the heads of the set screw having a hexagonal hole are arranged in an appropriate direction and stored. It relates to an automatic feeding device.

[0002]

2. Description of the Related Art Conventionally, there have been many kinds of automatic feeding devices for pan head screws and binding head screws having a head, which have been useful for assembling work and efficient storage. There are very few types of automatic feeding devices for screws, and even those few are expensive and large.

[0003]

SUMMARY OF THE INVENTION With regard to an automatic supply device for a hexagonal set screw, the hexagonal set screw is easily removed in a specific state by the automatic supply device, such as a small screw or a bind small screw. The structure for removing the head of the set screw with a hexagonal hole in a predetermined direction is complicated, so that not only is it expensive but also extremely large. There were drawbacks.

[0004]

Means for Solving the Problems Accordingly, the inventor of the present invention has conducted intensive studies to solve the above-mentioned problems, and as a result, the present invention
A plurality of take-out openings formed from an inlet, a feed port, and a communication portion are formed around a bottom body, and a hopper formed around the bottom body is inclined and rotatably provided. The sliding pin is provided so as to be slidable in the inlet, and the sliding pin is provided so as to be able to move up and down in the inlet with rotation of the hopper by a fixed cam provided below the bottom body. The hexagon socket head set screw can be dropped from the bottom body to the outside. Then, it can be taken out and supplied to the next step or stocked, 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 to 4, the configuration of the present invention mainly comprises a hopper A and an inversion index B. cage, the hopper a, housing part 1 and Sokotai a ₁ is provided so as to be positioned in the bottom portion of the housing portion 1, the housing portion 1, side wall 1a is formed in a cylindrical shape.

[0006] receiving part 1 and Sokotai A ₁ of the hopper A are both integrally formed, as shown in FIGS. 2 to 4,
The central portion of the housing portion 1 and the Sokotai A ₁ about the tilting spindle 2 which penetrates is fixed to rotate.

The hopper A rotates on a plane perpendicular to the axial direction of the inclined main shaft 2, and is specifically set at approximately 45 degrees. As shown in FIGS. The motor M rotates.

More specifically, as shown in FIGS. 3 and 4, the hopper A is rotated by a prime mover M via a spur gear mechanism Gs and a bevel gear mechanism Gb. A rotational force is transmitted to B by a spur gear mechanism Gs, and the hopper A is rotated via a bevel gear mechanism Gb together with the rotation of the reversal index B.

The housing 1 is covered with a lid 3. Specifically, as shown in FIGS. 2 and 3, an inner screw 3 is formed inside a camera 3 a constituting the lid 3. Is formed, and is screwed into a screw portion formed at the tip of the inclined main shaft 2 to fix the cover plate 3b of the cover 3 to the housing portion 1.

As shown in FIGS. 2 to 5 and the like, a plurality of setscrews H with hexagonal holes can pass through a bottom base 4 formed in a disc shape having an appropriate thickness in the bottom body A ₁ . dispensing opening a _2, a _2, and ... are formed, and each dispensing opening a _2, as shown in FIGS. 7 to 8 (a), (b) , inlet 5, the delivery port 6 and The communication part 7 is formed.

[0011] inlet 5 that make up the dispensing opening A ₂
Has a diameter slightly larger than the diameter of the hexagon socket set screw H, and is a diameter through which the hexagon socket set screw H can pass with a margin.

[0012] The inlet 5 has been formed toward the inside from the surface of the bottom base 4, as shown in FIGS. 2 to 5 and 7 and the like, of the housing part 1 on the bottom member A ₁ It is formed inside the cylindrical side wall 1a and very close to the side wall 1a.
Are formed so as to draw a circumferential shape.

The outlet 6 is formed from the lower surface of the bottom base 4 toward the inside as shown in FIGS. 2 to 5 and 7 and the like. 5, the center of the outlet 6 in the diameter direction and the center of the intake 5 in the diameter direction are different from each other, and are shifted from each other.

[0014] The outlet 6, a bottom member A ₁ in plan view, taken located outside with respect to the radial direction from the center position of the bottom base 4 than the inlet 5, a bottom member A ₁ planarly In the embodiment of FIG. 6 showing a state of being seen, it is located outside the cylindrical side wall 1a of the housing portion 1, and the above-mentioned plurality of intakes 5, 5,. , As well as multiple outlets 6,6
... also has a circular shape.

The inlet 5 and the outlet 6 are shown in FIG. 6 in which the bottom body A ₁ is viewed as an appropriate longitudinal plan view and FIG. 8B in which the outlet opening A ₂ is enlarged in plan view. as shown, there is in communication with bent toward the back side from the front side of the communication, dispensing opening a ₂ is a bottom base 4 by communicating unit 7, the communication unit 7, a bottom base 4 Are formed in the radial direction so as to be flush with each other, and have a passage width through which a hexagon socket set screw H can pass freely.

In some embodiments, the communicating portion 7 is bent so as to have a slightly arcuate shape between the inlet 5 and the outlet 6 as shown in FIGS. In the example, the hopper A is bent so as to protrude in the rotation direction (clockwise direction) of the hopper A.

The bottom body A ₁ of the take-out opening A ₂ of each of the intake 5,5, the ... position, as shown in FIGS. 2 to 4, etc., the slide pin 8, 8 one by one, ... Are provided slidably. Specifically, as shown in FIG. 7 and FIGS.
It is configured to slide as it passes.

More specifically, as shown in FIGS. 7 and 8, a sliding hole 9 through which the sliding pin 8 is slidable is formed in the bottom base 4, and the sliding hole 9 has a diametrical direction. The center is made to coincide with the diametric center of the inlet 5, and the sliding pin 8 sliding along the sliding hole 9 can slide along the diametric center line of the inlet 5. It has a configuration.

[0019] The shaft diameter of the slide pin 8 is intended are formed to the extent that allows loosely inserted into the hexagonal hole H ₁ of the hexagon socket set screws H, also the sliding range of the sliding pin 8 , FIG.
As shown in (a), the tip of the sliding pin 8 is in a range protruding from the lower end surface of the communication portion 7 to the surface of the bottom base 4 of the intake 5 or its vicinity.

[0020] That is, when the slide pin 8 is in the lowest position, as shown in FIG. 8 (a), a state in which the sliding pin 8 sinks below the communicating portion 7, the take-out the opening A ₂ Is in a state that does not exist.

A fixed cam 10 is provided below the bottom body A ₁ of the hopper A, as shown in FIGS.
The sliding pins 8, 8,... Are slid in the axial direction by the fixed cam 10. Examples of the fixed cam 10 include a push-up portion 10a and a pull-down portion 10b. 10a is located at a position higher than the pulling portion 10b, and the push-up portion 10a and the pulling portion 10b have two inclined portions 10a.
c and 10c to form a substantially circular ring when viewed two-dimensionally.

Specifically, when the fixed cam 10 is viewed in a plan view, the push-up portion 10a, the pull-down portion 10b, and the two inclined portions 10
Each of c and 10c is formed in a range of 90 degrees.

As another embodiment of the fixed cam 10, the circular plate is simply inclined, the highest point is the push-up portion 10a, the lowest portion is the pull-down portion 10b, and the push-up portion 10a is Between the lower portion 10b and the inclined portion 10c, 10
c.

As shown in FIG. 2 and FIG. 3, the lower end of the sliding pins 8, 8,... Moves and the fixed cam 10 protrudes to the surface of the bottom base 4 of the inlet 5 at the push-up portion 10a. ,
Further, it can sink from the bottom surface of the communication part 7 at the lower part 10b.

At the lower end of the sliding pin 8, a spherical leg 8a may be provided as shown in FIGS. 2 to 4 so that the sliding on the fixed cam 10 can be further improved. Further, in order to ensure the sliding operation of the sliding pins 8, 8,..., A coil spring c may be mounted between the leg piece 8a and the bottom base 4, as shown in FIG.

As shown in FIGS. 2 and 4, the inclined hopper A has a high portion and a low portion, and the hopper A rotates in a certain direction, and the bottom A ₁ There is rotated, the take-out opening a ₂ of the bottom body a ₁ is able to reciprocate between the low-income portion and the high place portion.

Furthermore, in the bottom body A _1, when it is assumed that rotates clockwise in the range shown in FIG. 9,
To the extent that the bottom body A ₁ is directed to the high place portion from the low-income portion, as shown in FIG. 2, the opening portion of the inlet 5 intake tip of the slide pin 8 by pushing part 10a of the fixed cam 10, i.e. the bottom base 4 It is configured to rise near the surface.

[0028] Then, the low-income side of the hopper A, a number of hexagon socket set screw H which is stored in the hopper A, H, ... one of enters from inlet 5 of the dispensing opening A _2, then as shown in FIG. 10 (a) (X-X sectional view taken along line of FIG. 9), if entered in the hexagon socket set screw H is a proper state (hexagonal hole H ₁ is facing down), the hexagonal to remain socket set screw H is inserted into the inlet 5 of the dispensing opening a _2.

[0029] In addition, when the hexagon socket set screw H is improper state (hexagonal hole H ₁ is upward state) has entered in,
Figure 10 (b) are shown as take-out opening A ₂ of preparative hexagon socket set screw H than the inlet 5 (X-X sectional view taken along line of FIG. 9) is pushed by the sliding pin 8, accommodated in the hopper A It is returned to the unit 1.

Further, as shown in FIG. 11, the dispensing opening A ₂ in the hopper A passes through the low-income portion from a high place portion, in the range toward the inverted index B point, pull down portion 10b of the fixed cam 10 At the location, each of the sliding pins 8, 8,... Descends, and as shown in FIG. 12 (a), the sliding pins 8, 8,. slide pin 8,8 in the opening a _2, a state in which no ... is sliding pin 8 which in addition to completing the drop to rise again.

Furthermore, FIG. 12 (a), while the dispensing opening A ₂ moves the section Y in FIG. 11, take-out opening A
And shows the movement of the hexagon socket set screw H of within _2, specifically, the slide pin 8 at the bottom thereof A ₁ of the high place portion depressed portion portion toward extraction within the opening portion A ₂ from When descending, FIG.
As shown by the solid line in FIG.
Is lowered to the bottom of the communication portion 7 of the extraction opening A ₂ , the sliding pin 8 sinks below the bottom of the communication portion 7, and the communication portion 7 of the extraction opening A ₂ moves from the inlet 5 to the outlet 6. Since it is inclined downward, the set screw H with a hexagonal hole, which has been locked at the tip of the slide pin 8, passes through the communication portion 7 and moves to the outlet 6 side.

Then, a set screw H with a hexagonal hole waits at six outlets of the take-out opening A ₂ , and FIG. 12B (FIG. 1).
As shown in FIG. 1 (ZZ cross-sectional view), at the reversal index B, it is moved to the receiving hole 12 of the reversal index B.

Further, even during this operation, the slide pin 8 of the take-out the opening A ₂ is increased, repeatedly lowered to that came in a proper state than the inlet 5 preparative hexagonal socket set screw H not This is to sort out those that have entered in an appropriate state.

The inversion index B is shown in FIGS.
As shown in equal, there is rotatably provided close to the bottom body A ₁ of the hopper A, the outer peripheral surface 11a of the disk body 11 having a thickness of appropriately plurality of receiving holes 12 , 1
Are formed at a predetermined interval.
The diameter of 2 is substantially the same as the diameter of the outlet 6.

Then, receiving hole 1 of inverted index B
2, 12, ... of the passing point and hopper A of the bottom body A ₁ of the delivery port 6, 6, ... are passing point, the same position at a certain point (including substantially the same), and as that example, FIG. 4 As shown in FIG. 6 to FIG. 6, the hopper A rotates clockwise,
When the outlet 6 reaches a substantially middle point between the low portion and the high portion of the bottom base 4, as shown in FIGS.
The rotation speeds of the hopper A and the reversing index B are determined so that the position of the hopper A coincides with that of the receiving hole 12.

FIGS. 10 and 12 (a) show that the set screw H with a hexagonal hole which has reached the 6 outlets does not drop from the outlet 6 until it moves to the 12 receiving holes of the reversal index B. as shown in), and equipped with holding plate a ₃ along the dispensing opening a ₂ points of the bottom body a _1, only receives hole 12 places the inverted index B, and can fall hexagon socket set screw H Has become.

Furthermore, the inner housing part 1 of the hopper A, the bottom body A ₁ surface shape, as shown in FIGS. 2, 5, etc., the protective plate A ₄ is mounted, specifically, shown in FIG. 5 like,
Provided so as to cover almost the inlet 5 of the dispensing opening A ₂ half portion of the bottom member A _1, suitably from or exit enters the hexagon socket set screw H is the inlet 5, or a plurality of hexagonal once .. Prevent the set screws with holes H, H,.

As shown in FIG. 7, the reversing index B rotates in a state where the set screw H having a hexagonal hole moved from the outlet 6 of the hopper A is inserted into the receiving hole 12 thereof. In order not to drop while moving the hexagon socket set screw H into the receiving hole 12 to a predetermined position,
A reversing guide 13 is provided along a predetermined range on the outer peripheral side surface 11 a of the disk body 11.

Further, as shown in FIG. 1, a stocker 14 is provided substantially immediately below the reversing index B. The stocker 14 receives the set screw H with a hexagonal hole in the receiving hole 12 immediately below and receives the set screw H with a hexagonal hole. The screw H is stored.

The lower end of the stocker 14 is provided with a supply index C, and a set screw H with a hexagonal hole is taken out one by one from the stocker 14, and the supply index C is rotated on a horizontal plane to set the set screw H with a hexagonal hole at a predetermined position. To the supply state.

As shown in FIG. 13, the supply index C has a plurality of U-shaped notches 15a, 15a, 15a, 15a, 15h, on which a hexagon socket set screw H can be arranged around a disk 15 rotatable on a horizontal plane. Are formed at predetermined intervals, and a base 16 on which the disk 15 is rotatably mounted.

As shown in FIG. 13, the base 16 has a groove 16a for taking out a set screw H with a hexagonal hole.

With regard to the operation of the supply index C, the set screw H with a hexagonal hole is inserted into the U-shaped notch 15a of the supply index C from the stocker 14 while rotating the disk 15.
Are inserted one by one, and when it reaches the extraction portion of the hexagon socket set screw H, that is, the location of the extraction groove 16a of the base 16,
As shown in FIG. 16, by inserting an Allen wrench L into the hexagonal hole H ₁ of the hexagon socket set screws H, then 14, as shown in FIG. 17, pulling the Allen wrench L in the tangential direction of the disk 15 The hexagon socket set screw H from the extraction groove 16a.
Can be pulled out.

When the hexagon socket set screw H is pulled out from the extraction groove 16a, as shown in FIGS.
The next U-shaped notch 15a reaches the location of the extraction groove 16a, and with the hexagon socket set screw H inserted therein, the extraction groove 16a is inserted.
It is designed to be able to wait at point a.

The supply index C is such that the depth adjustment guide 17 can be set at an appropriate position in the vertical direction from the bottom of the U-shaped notch 15a and the bottom of the takeout groove 16a. The mechanism corresponds to the height of the set screw H.

As an embodiment of the specific structure, the groove 16a for taking out the base 16 and the U-shaped notch 1
Depth adjustment guide 17 formed along the bottom of 5a
Are mounted so as to be movable and fixed in the vertical direction.

The depth adjusting guide 17 is provided with a positioning tool 18, and a positioning plate 19 is provided on the top surface of the base 16. As shown in FIG. A U-shaped notch having a depth equivalent to the axial dimension of the set screw H with a hexagonal hole by arranging the set screw H with a hexagonal hole up and down between the positioning tool 18 and the positioning screw 18. 15a and an extraction groove 16a.

[0048]

According to the first aspect of the present invention, a plurality of extraction openings A ₂ , which are formed by the inlet 5, the outlet 6, and the communicating portion 7, are provided.
A _2, ... inclined mounting hopper A which is formed around the Sokotai A ₁ a, and rotatably provided, a plurality of slide pins 8, 8 in the bottom member A _1, ... preparative the dispensing opening A ₂ inlet 5 slidably provided in, by a fixed cam 10 which is provided below portions of the bottom member a _1,
Liftably provided with the rotation of the hopper A by the slide pins 8, 8 ... the inlet within 5, take-out opening A ₂ of the inlet 5 into the hexagonal hole H ₁ with entered hexagonal hole from side set screw H only There by having a hexagon socket set screw automatic supply device comprising a possible fall from the bottom member a ₁ to the outside, first to a hexagon socket set screw H to the first can be taken to align the proper direction, the second The structure can be simplified, and the size and weight can be reduced.

To describe the above effect in detail, a plurality of extraction openings A ₂ , A ₂ ,... Are provided around the bottom body A ₁ of the hopper A, and the hopper A is installed in an inclined shape. in since so as to rotate, a large number of hexagon socket set screw H were placed in the hopper a, H, ... is to focus on low-income portion of the bottom member a ₁ point of hopper a.

[0050] Numerous hexagon socket set screw H were concentrated in the low plant of the hopper A, H, ... are dispensing opening A ₂ on the bottom member A ₁ in a state in which the hopper A is rotating, A _2, ... can be relatively easily entered with a high probability. Furthermore, slidable slide pin 8 to the retrieving the opening A ₂ is temporarily can stop the hexagon socket set screw H that have entered from the hopper A side of the dispensing opening A _2, appropriate direction The set screw H with a hexagonal hole that has not entered can be returned into the hopper A again by the sliding pin 8.

[0051] Then, for those hexagon socket set screw H is in the proper direction only, the dispensing opening A ₂ and the open shape in a state where the slide pin 8 is fully descends, setscrew H hex hole Can be sent out of the hopper A only in an appropriate direction.

[0052] In the present invention, to place the hopper A for sloping bottom member A plurality of dispensing opening A ₂ in _one place, A _2, ... and provided, the power of the motor or the like, or manual rotation It can be operated only, and its structure is
It is extremely simplified as compared with the conventional one, and has various advantages such as not only being less likely to fail but also being able to be provided at a small size and at a low price.

Next, in claim 2, a plurality of outlet openings A formed from the inlet 5, the outlet 6 and the communicating portion 7.
_2, A _2, ... inclined installation hopper A which is formed around the Sokotai A _1, and rotatably provided, a plurality of slide pins 8, 8 in the bottom member A _1, ... take-out openings A ₂ the inlet 5 slidably provided in a fixed cam 10 which is provided below portions of the bottom member a _1, the slide pins 8 and 8 with the rotation of the hopper a, ...
The preparative vertically movably provided at the entrance within 5, only the dispensing opening A ₂ of the inlet 5 into the hexagonal hole H ₁ with entered hexagonal hole from side set screw H is possible fall outside from the bottom body A _1, circle A plurality of receiving holes 12, 12,.
... inversion index B formed with, said hopper A receivable in rotatable become hexagon socket set screw automatic feeder the hexagon socket set screws H falling from dispensing opening A ₂ of at its receiving hole 12 By doing so, the set screw H with a hexagonal hole sent out from the hopper A can be efficiently transferred to the next step.

The above effect will be described in detail. The reversing index B is formed in a rotatable disk shape and has the receiving hole 12 formed in the outer peripheral side surface 11a. to match the passage portion of the opening portion a _2, and only the rotational speed of the hopper a and the inverted index rotational speed and the take-out opening a ₂ and the receiving hole 12 of the B is set to coincide at all times, from a hopper a The fed hexagonal socket set screw H can be inserted into the receiving hole 12 of the inverted index B almost automatically.

Furthermore, since the reversing index B is rotating, the set screw H with a hexagonal hole in the appropriate direction is turned in the axial direction of the set screw H with the hexagonal hole with the rotation of the reversing index B. when the proper direction of the socket set screw H hexagon socket H ₁ is set to be lower, hexagonal hole H ₁ is the upper at the inverted index B, it can be easily condition used in the next step, In addition, many hexagon socket set screws H can be supplied corresponding to the next step.

Next, in claim 3, a plurality of outlet openings A formed by the inlet 5, the outlet 6 and the communicating portion 7.
_2, A _2, ... inclined installation hopper A which is formed around the Sokotai A _1, and rotatably provided, a plurality of slide pins 8, 8 in the bottom member A _1, ... take-out openings A ₂ the inlet 5 slidably provided in a fixed cam 10 which is provided below portions of the bottom member a _1, the slide pins 8 and 8 with the rotation of the hopper a, ...
The preparative movable up and down at the entrance within 5 only inlet 5 of the dispensing opening A ₂ containing from hexagonal hole H ₁ side hexagon socket set screw H is possible fall outside from the bottom body A _1, U shaped notches 15a, 15a, provided ... rotatably the disc 15 formed circumferentially and hexagon and the hexagonal hole H ₁ upward in a U-shaped notch 15a hexagonal socket set screw H preparative entry side A set screw with a hexagonal hole provided with the hopper A, which is capable of accommodating the set screw with a hole H and with which the disk 15 is rotated at the same time as the set screw H with the hole is withdrawn from the take-out side. By using the supply device, a plurality of hexagon socket set screws H, H,... Taken out in an appropriate direction with the reversing index B or the like can be arranged in an orderly manner, and the hexagon socket set screws H can be efficiently used one by one. Take out One in which it is bet.

[Brief description of the drawings]

FIG. 1 is a schematic perspective view of the present invention.

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

FIG. 3 is a longitudinal sectional front view of the present invention.

FIG. 4 is a perspective view of a main part of the present invention.

FIG. 5 is a plan view showing the surface of the bottom body.

FIG. 6 is a vertical cross-sectional view showing an opening portion of the bottom body.

FIG. 7 is a perspective view of a main part of an extraction opening.

8A is a cross-sectional view of an extraction opening, and FIG. 8B is an enlarged vertical cross-sectional view of the extraction opening.

FIG. 9 is a vertical plan view of a bottom body.

10A is a cross-sectional view showing a state where a hexagon socket set screw is properly inserted into an extraction opening at a location XX in FIG. 9; FIG. 10B is a cross-sectional view showing a hexagon hole at a location XX in FIG. 9; Schematic diagram showing a state in which a set screw with a screw is pushed out by a sliding pin without properly entering the extraction opening

FIG. 11 is a vertical sectional plan view showing an operation state of a bottom body.

12A is a longitudinal sectional side view of an extraction opening showing a state of a hexagon socket set screw in a section Y of FIG. 11; FIG. 12B is a sectional view taken along the line ZZ of FIG.

FIG. 13 is a perspective view of a supply index.

14 and 15 are plan views of main parts of a supply index.

16 and 17 are cross-sectional views of main parts of the supply index.

FIG. 18 is a sectional view of a supply index.

[Explanation of symbols]

A: hopper A ₁ … bottom body A ₂ … take-out opening 8… sliding pin 10… fixed cam B… inverted index 11… disk body 11a… outer peripheral side 12… receiving hole C… supply index 15… disk 15 a… U shaped notch H ... set screw H ₁ ... hexagonal hole with hexagonal hole

Claims (3)

(57) [Claims] 1. An apparatus comprising an inlet, an outlet, and a communication part.
A hopper having a plurality of removal openings formed around the bottom is inclined and rotatably provided, and a plurality of sliding pins are provided on the bottom so as to be slidable at an intake of the removal opening. With the fixed cam provided in the lower part, the sliding pin is provided so as to be able to move up and down in the inlet with the rotation of the hopper, and only the hexagon socket set screw that has entered the inlet of the extraction opening from the hexagonal hole side is the bottom body. An automatic screw feeder with hexagonal holes, characterized in that it can be dropped to the outside. 2. An air inlet, an outlet, and a communication part.
A hopper having a plurality of extraction openings formed around the bottom body is installed at an angle and rotatably provided, and a plurality of sliding pins are provided on the bottom body so as to be slidable at an intake in the extraction opening, and With the fixed cam provided in the lower part, the sliding pin is provided so as to be able to move up and down in the inlet with the rotation of the hopper, and only the hexagon socket set screw that has entered the inlet of the extraction opening from the hexagonal hole side is the bottom body. A reversible index having a plurality of receiving holes formed on the outer peripheral side surface of the disk-shaped disc body, which is capable of being dropped to the outside, and a hexagon socket set screw which drops from the removal opening of the hopper at the receiving hole. An automatic screw feeder with a hexagonal hole, characterized in that it can rotate freely. 3. An air inlet, an outlet, and a communication portion.
A hopper having a plurality of extraction openings formed around the bottom body is installed at an angle and rotatably provided, and a plurality of sliding pins are provided on the bottom body so as to be slidable at an intake in the extraction opening, and With the fixed cam provided in the lower part, the sliding pin is provided so as to be able to move up and down in the inlet with the rotation of the hopper, and only the hexagon socket set screw that has entered the inlet of the extraction opening from the hexagonal hole side is the bottom body. A disk with a U-shaped notch formed in a circumferential shape is provided rotatably, and a hexagonal hole is set up on the U-shaped notch with the hexagonal hole upward from the intake side of the set screw with a hexagonal hole. An automatic feeder for a set screw with a hexagonal hole, comprising a supply index capable of accommodating a set screw and extracting a hexagonal hole set screw from a take-out side and simultaneously rotating the disk together with the hopper. .