JP2561204Y2 - Parts supply device - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION This invention relates to a work member for assembling a circular shaft part in combination with another part.
The present invention relates to a component supply device that continuously supplies components.

[0002]

2. Description of the Related Art For example, a cylindrical component such as a nail having a head at one end is combined with a tape at regular intervals,
In the case of forming a connecting nail, a component supply device that continuously conveys components to the tape is required.

FIG. 1 shows the structure of the above-mentioned component feeder, in which a parts feeder 1 for keeping the position of the parts constant, a rail part 2 arranged at the discharge part of the parts feeder 1 so as to be inclined downward at the end, and a rail part Work member 3 arranged at the end of 2 at the same inclination as rail 2 so as to rotate or slide.
A block 9 located between the rail 2 and the work member 3 for guiding components from the rail 2 to the work member 3;
A block 8 surrounding substantially half the circumference of the work member 3,
When a component is randomly input to the parts feeder 1, the component is supplied to the rail unit 2 in a fixed posture, and the component is held in a suspended state at the head by two opposing plate-like rail bodies 4, 5. While moving toward the terminal end, the part is continuously rotated by the rotation of the work member 3 into the concave groove 6 provided on the outer periphery of the work member 3 through the guide path 10 of the block 9 so as to hold the shaft of the part. Supply.

[0004] The components conveyed in the direction of rotation of the work member 3 are combined with a tape, for example, at a position opposite to the component supply, to form connecting nails.

In the above-described component supply device, it is necessary to reliably supply components to each groove 6 of the work member, and it is most important to transfer components from the rail portion 2 to the work member 3. Part. In addition, components supplied to the work member having different diameters within an allowable range can be used, but the timing of component transition with respect to a change in diameter is also an important point.

[0006] Conventionally, in a large-sized component supply device operated as a device in a factory, a nozzle for injecting compressed air toward the component is arranged near the end of the rail to compress the component located at the end of the rail. Forcibly supplying air into a concave groove of a work member by blowing air is performed.

[0007]

However, in a small-sized, for example, portable component supply apparatus, the use of a compressor requiring a large weight and a large volume is limited, and it is practically impossible to install a compressed air injection nozzle. It is.

In places and conditions where the compressor cannot be used, when parts conveyed by the rail portion are not supplied to the groove of the rotating or sliding work member in a timely manner, or when the parts are inclined, the parts are almost completely removed by weight. It is suspended vertically, descends the rail part, and is supplied to the concave groove of the work member first from the lower end side of the part,
A so-called "meshing" phenomenon occurs when a part of the part is accommodated in the work member and a part remains in the block. As a result, there arises a problem that the end of the block or a part of the gear-shaped work member is damaged, or parts are damaged.

Therefore, the problem of the present invention is that the supply of parts from the rail section to the work member can be reliably performed without using a compressor, and the parts can be supplied with good timing even if the diameter of the parts changes. An object of the present invention is to provide a component supply device capable of avoiding occurrence.

[0010]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a component passage for guiding a component from a rail portion to a work member in a block provided between the end of the rail portion and the work member. And a configuration in which the interval between the component passages is adjustable.

In the present invention, the component passage of the block is formed of two opposing elastic members, and the interval between the component passages can be adjusted by moving at least one of the elastic members.

[0012]

The part which has reached the inside of the part passage of the block from the end of the rail part abuts on the outer periphery of the work member and stops. When the concave part of the outer periphery faces the rail part by the rotation of the work member, the part becomes heavy. And is stored in the groove.

At this time, if the rotational speed of the work member is not in harmony with the timing at which the temporarily stopped part advances to the concave groove, for example, approximately half of the circular axis of the part advances to the concave groove, and the remainder passes through the gap and enters the part passage. The state that it remains remains. When the work member continues to rotate as it is, the parts are engaged with the concave groove and the block.

However, even in this state, since the component passages of the block are formed of opposing elastic members, the sandwiched circular axis is softly held by the elastic members, and furthermore, is recessed by the restoring force of the elastic members. It is pushed into the groove.

[0015] The component passage of the block is changed in interval according to the diameter of the component to finely adjust the supply timing of the component to the concave groove of the work member.

[0016]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings.

As shown in FIG. 1, the component supply device comprises a parts feeder 1, a rail portion 2, a work member 3, and blocks 8 and 9, and as shown in FIG. The cylindrical component A is held in a suspended state at the head by the plate-shaped rail bodies 4 and 5, and is moved by a downward inclination toward the end.

The work member 3 is circular and has a component A
The groove 6 and the protruding portion 7 in which the shaft portion is accommodated are formed in an alternately continuous gear shape, and the rail portion 2 has the same inclination angle as the rail portion 2.
And a rotation is provided as shown by an arrow in FIG.

A block 9 is arranged between the work member 3 and the end of the rail portion 2. The block 9 is an extension of the rail portion 2 and has a component passage 10 having an inclination angle equal to that of the rail 2. Is formed, and the component A reaching the end of the rail portion 2 passes through the component passage 10 of the block 9 and is held by the work member 3.

The block 8 located on the downstream side in the rotation direction of the work member 3 with respect to the rail member 2
, And also serves to hold the component A supplied into the concave groove 6 along the rotation direction of the work member 3 so as not to be separated.

In the block 9 located between the rail portion 2 and the work member 3, the surface facing the work member 3 is an arc-shaped surface along the outer periphery of the work member 3, and the arc-shaped surface and the rail portion 2
A groove 11 having a width approximately equal to the outer width of the rail portion 2 and being longer than the component A is formed downwardly from the upper surface between the surfaces facing the rail portion 2 in the same direction as the rail portion 2. A pair of elastic bodies 12 and 13 are mounted so as to oppose each other between opposing surfaces of the cut groove 11, and a component passage 10 is formed by the opposing surfaces of both elastic bodies 12 and 13.

The elastic member 12 located on the downstream side with respect to the rotation direction of the work member 3 is
4 and a mounting piece 15 overlapping the outer surface of the block 9
The mounting piece 15 is fixed to the block 9 by bolts 18 screwed into the block 9 from the long hole 16 via a pressing plate 17 by forming a long hole 16 in the lateral direction above and below the mounting piece 15. Have been.

As shown in FIG. 4, the elastic body 12 is
The elastic piece 14 is fixed to the block 9 so that a gap 19 is formed between the elastic piece 14 and the side face of the cut groove 11.

The elastic body 13 located on the upstream side in the rotation direction of the work member 3 includes an elastic piece 20 located in the cut groove 11,
The mounting piece 21 overlaps the outer surface of the block 9 and is formed in a plane L-shape.
The bolt 24 inserted through the holding plate 23 into the block 9
The elastic body 13 is fixed to the block 9 by being screwed into the screw hole 25.

An extension plate 26 provided at the rear end of the mounting piece 21
And an adjusting bolt 29 is screwed into a screw hole 28 provided on the side surface of the block 9, and a head 30 of the bolt 29 is fitted into the elongated hole 27.

When the bolt 29 is loosened, the elastic body 13 becomes movable along the elongated hole 22, and the adjusting bolt 29 moves in the retreating direction in parallel with the adjusting bolt 29 and is connected to the head 30 by the elongated hole 27. The bolt 29 and the elastic body 13 are
9 move together as a result.

The two elastic members 12 and 13 have a component passage 10 between the elastic pieces 14 and 20 facing each other in the cut groove 11, and the gap between the component passages 10 can be freely adjusted by operating an adjustment bolt 29. The elastic piece 20 of the elastic body 13
Has elasticity due to the gap 31 generated between the side wall of the cut groove 11.

The component supply device of the present invention has the above-described configuration, and the cylindrical component A is discharged from a supply source such as the parts feeder 1 by electromagnetic vibration or the like, and the rail inclined downward due to the weight of the component itself. It is conveyed via the section 2.

The part A conveyed from the end of the rail portion 2 into the part passage 10 of the block 9 is rotated when the work member 3 rotates in the direction of the arrow shown in FIG. Due to the weight of the part A, the part A advances into the groove 6 and is accommodated.

At this time, the part A once stopped is
When the rotation speed of the work member 3 does not match the timing of proceeding to Step 6, for example, approximately half of the circular axis of the part A is
Then, a state occurs in which the remainder remains in the component passage 10 of the block 9 via the gap. When the work member 3 continues to rotate as it is, the parts are engaged with the concave groove 6 and the end of the block 8 being interposed.

However, even in this state, the circular piece sandwiched by the component A is held soft by the elastic piece 14 of the elastic body 12 positioned in the direction of rotation of the work member 3, and the elastic piece 14 Due to the restoring force generated by the bending, the circular shaft is pushed into the concave groove 6, and the occurrence of inconvenience due to the engagement can be prevented.

The distance between the opposing surfaces of the rail portion 2 is set to the maximum diameter of a range that can be transported by the work member 3, and the component can be transported without any trouble even if the diameter of the component changes within the range. You.

However, in supplying components from the component passage of the block 9 to the concave groove 6 of the work member 3, the positional relationship between the posture of the component A held in the passage 10 and the concave portion 6 of the work member 3 is extremely important. If a small-diameter component is supplied while the component passage 10 is set at the maximum interval, the orientation of the component becomes unstable with respect to the rotation direction of the work member 3,
The transfer of the parts to the concave groove 6 is hindered.

Therefore, the interval between the component passages 10 of the block 9 is set so as to be adapted to the diameter of the component A by moving the elastic body 13 by freely rotating the adjusting bolt 29.

As described above, the interval between the component passages 10 is
When the diameter of the workpiece A is adjusted, the attitude of the component A held in the passage 10 and the concave groove 6 of the work member 3 coincide with each other. Can be supplied.

[0036]

As described above, according to the present invention, the component passage is provided in the block disposed between the end of the rail portion and the work member, and the interval between the component passages can be adjusted. Can be stabilized according to the diameter of the part, the posture of the part in the part passage can be stabilized, and the part can always be supplied stably to the work member even if the diameter of the part changes. it can.

Also, since the component passage is formed of an elastic body,
The engagement of the cylindrical component between the block and the work member can be released by the elastic body, and the inconvenience caused by the occurrence of the engagement can be eliminated.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the entire structure of a component supply device.

FIG. 2 is an enlarged plan view of a main part of the above.

FIG. 3 is a front view of a block in which a component passage is formed.

FIG. 4 is a cross-sectional plan view of the above.

FIG. 5 is an exploded perspective view of the above.

[Description of Signs] 1 Parts feeder 2 Rail part 3 Work member 9 Block 10 Parts passage 11 Cut groove 12, 13 Elastic body 14, 20 Elastic piece 15, 21 Mounting piece 27 Elongated hole 29 Adjusting bolt 30 Head

Claims (2)

(57) [Scope of request for utility model registration] 1. A rotary shaft having a groove for holding a shaft part of a component via a rail from a supply unit such as a parts feeder to a component having a head at one end, and rotating or sliding. In a component supply device for continuously supplying a moving work member, a component passage for guiding a component from the rail portion to the work member is formed in a block provided between an end of the rail portion and the work member. A component supply device characterized in that the interval is adjustable. 2. The component supply device according to claim 1, wherein the component passage of the block is formed of two opposing elastic members, and the interval between the component passages is adjusted by moving at least one of the elastic members.