JPH048331B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a parts sorting device for feeding parts in a predetermined posture to the next process.

[Prior art and its problems] This type of device consists of a pick-up rotary drum consisting of a pair of parallel discs and a parts transfer means, and a rubber-made part is transferred directly below the pick-up rotary drum. Among the nipple-shaped parts, a part in a standing position with the nipple upward is picked up by elastically sandwiching the nipple between the pair of parallel disks, and the part is picked up by the part transfer means. A parts sorting device is known in which parts are separated from a rotating drum and transferred to a predetermined location.

FIG. 9 shows one conventional example, and the rotary parts feeder is indicated as 1 as a whole (the details are the same as those applied to the embodiments of the present invention below, so they will not be described here). (omitted), the pickup rotary drum 2 is rotationally driven by a motor 3 in the direction shown by the arrow. The pick-up rotating drum 2 consists of a pair of parallel discs,
Parts being transported in the rotary parts feeder 1, such as rubber nipples, are used to elastically pinch and pick up parts in a predetermined position between the discs. The picked up nipple (not shown) is removed by a chute 4 consisting of a pair of bars. That is, as the pick-up rotary drum 2 rotates, both side edges of the nipple are received by the upper end of the chute 4 and removed.

A presser bar 5 extends upward along the center line of the chute 4, and the nipple is moved downward while maintaining a predetermined posture. , the chute 4 and the holding bar 5 are vibrated by the vibrator 7 in the direction shown by the arrow a. Reference numeral 6 denotes a support body fixed to a stationary part of the rotary parts feeder 1.

The nipple is smoothly transferred over the chute 4 due to the transfer force caused by the vibrations, but in order to further increase the transfer speed, a flocked carpet is attached to the surfaces of the chute 4 and the presser bar 5 that come into contact with the nipple. This reduces the frictional force with the rubber nipple and improves the transfer force due to vibration.
This is not very desirable because small particles tend to accumulate and are difficult to remove.

As described above, the nipple in a predetermined posture is supplied to the next process from the lower end of the chute 4, but the above-mentioned parts sorting device further has the following drawbacks.

That is, since the pick-up rotary drum 2 is driven by the motor 3, it can supply a large number of parts (nipples), but the chute 4 cannot discharge as many parts because it is transferred by vibration. As a result, the supply amount is limited by the transfer speed of the chute 4.

In addition, the pick-up rotating drum 2 and the chute 4
Because the nipple is tilted at the joint (separation point) with the nipple, it is very difficult to adjust the joint.

[Problem that the invention seeks to solve]

The present invention has been made in view of the above-mentioned problems, and an object of the present invention is to provide a parts sorting device that increases the supply amount of parts and eliminates the need for troublesome adjustment work.

[Means for solving problems]

The above object consists of a pick-up rotating drum consisting of a pair of parallel disks and a parts transfer means,
Among the rubber nipple-shaped parts transferred directly below the pick-up rotating drum, the part in a standing position with the nipple upward is elastically sandwiched between the pair of parallel discs. In the parts sorting device, the parts are picked up by the pick-up rotating drum, and the parts are removed from the pick-up rotating drum by the parts transfer means and transferred to a predetermined location. It consists of a component transfer drum installed at a separate location and a pair of wire-like belts wound between these drums, and the device is configured to cover both side edges of the base of the rubber nipple-shaped component picked up on the pick-up rotating drum. As the drum rotates, the part is received by the pair of belts at the top of the drum and removed from the drum, suspended by the belts at both side edges, and transferred to the parts transfer drum. This is achieved by a parts sorting device characterized in that the parts are dropped downward as the drum rotates.

[Effect]

The belt and the pick-up rotating drum are driven by a single motor, allowing for completely synchronized transport. Components are fed from the component transfer drum at high speed and in a predetermined posture.

Since all that is required is to wrap a pair of belts around the pick-up rotating drum and the parts transfer drum, there is no need for troublesome joint adjustment work.

〔Example〕

DESCRIPTION OF THE PREFERRED EMBODIMENTS A parts sorting device according to an embodiment of the present invention will be described below with reference to the drawings.

In the figure, the rotary parts feeder 1 itself is the same as that shown in FIG. 9, which shows a conventional example.

In a concave portion 12a of the ball 12, which has a shape similar to that of a general parts feeder ball, a turntable 21 is inclined so that the upper end portion of the turntable 21 is on the same level as the annular transfer path 12b. A drive shaft 22 of the turntable 21 slidably passes through the bottom of the ball 12, is supported by a bearing 24, and is rotationally driven by a motor 23.

The movable core 13 is integrally formed at the bottom of the ball 12, and faces the electromagnet 14 fixed on the base 16 with a slight space therebetween. ball 12
and the base 16 are coupled by a plurality of leaf springs 17 arranged at equal angular intervals and inclined. When alternating current is applied to the coil 15 wound around the electromagnet 14, a torsional vibration force is applied to the ball 12. The torsional vibration drive unit and the concave portion 12a of the ball 12 are covered with a cover 8, and the whole is supported on the floor by a vibration isolating rubber 19.

A component detection/removal device is disposed adjacent to the transfer path 12b. This includes a drum 27 having a gap 28, and a rotating shaft 30 of an electric motor 26 is fixed to a central hub portion 29. electric motor 26
is supported by the cover 8 by a frame 31.

In this embodiment, a rubber nipple m whose details are shown in FIGS. 5 and 6 is used as a part to be sorted and supplied.
is applied, but the predetermined posture is the transfer path 12
The patient is in a standing position with the nipple C facing upwards on the top of the screen. The size of the gap 28 between the drums 27 is slightly smaller than the diameter of the nipple portion C of the nipple m, as shown in FIG. Therefore, the nipple m in a predetermined posture is attached to the drum 2.
7, the nipple portion C is elastically sandwiched between the drums 27 and 28. Also, the bottom of the drum 27 is the transfer path 1.
The height is adjusted by the pedestal 31 so that the height is as shown in FIG. 6 in relation to the nipple m from the nipple m.

The outer shape of the drum 27 is almost the same as the drum 2 of the conventional example shown in FIG. The difference is that 33b is wrapped. Between = 28 and nipple part C of nipple M
They are the same in that they are elastically engaged.

According to the present invention, the component transfer drum 37 is disposed at a position apart from the drum 27 by a predetermined distance, and the belts 33a, 33b are disposed between the drums 27, 37.
is wound as shown in FIG. A guide drum 40 is further disposed between these drums 27, 37, and guides the belts 33a, 33b so that they enter the drum 27 at an appropriate angle.

As shown in FIGS. 3 and 4, the component transfer drum 37 includes a pair of discs 38a and 38b, and a rotating shaft 39 that integrally fixes them at a predetermined distance.
Belts 33a and 33b are wound around grooves on the outer peripheral edges of discs 38a and 38b. The rotating shaft 39 is rotatably supported by a pair of left and right supporting side wall plates 35a and 35b. The rotating shaft 40a of the guide drum 40 is also supported in the same manner. The support side wall plates 35a, 35b are fixed to the cover 8 by a support member 36.

As shown in FIG. 8, supporting side wall plates 35a, 35b
A belt support member 34 having an L-shaped cross section is provided on the inner surface of the
a, 34b are fixed, and this is the drum 2
It extends between 7 and 37. As shown in FIG. 8, the nipple m is connected to the flange R by belts 33a and 33b.
is supported and transferred toward the drum 37, but when it is separated from the pickup drum 27 to the belts 33a, 33b, a downward force is applied to the belts 33a, 33b, as shown by nipple m' in FIG. This may cause the belts 33a and 33b to bend. The belt support members 34a and 34b function to prevent this deflection. However, although the belts 33a and 33b have considerable rigidity,
This is not necessarily necessary if it is stretched with sufficient tension.

A parts ejection guide part 41 is integrally formed at the ends of the supporting side wall plates 35a and 35b, and the nipple m falling from the parts transfer drum 37 is guided downward along this guide part 41 while maintaining a predetermined posture. It is constructed so that it is guided by gravity.

Although the embodiment of the present invention is configured as described above,
Next, this effect will be explained.

A large number of nipples m are placed on a turntable 21 disposed in the center of the ball 12. For this purpose, a hopper may be provided above the turntable 21 to store the nipples m. Since the turntable 21 is rotating at high speed, the upper surface 21a of the turntable 21 is largely inclined with respect to the transfer path 12b as shown in FIG. Feed at a large feed rate. The nipple m is transferred by vibration on the transfer path 12b, but it is shown in a scattered manner in the figure. In reality, the nipples m exist at a higher density both on the turntable 21 and on the transfer path 12b.

The nipple m is transferred on the transfer path 12b in either a lying or standing position, and when the nipple m reaches directly below the drum 27 in the standing position as shown in FIGS. C is held between the drums 27 by being pushed into the inside 28. That is, the nipple portion C of the nipple m in the upright position is easily elastically pinched by the interaction between the transporting force due to the vibration of the nipple m and the force trying to press down the nipple m due to the rotation of the drum 27.

The nipple m held between the drums 27 is transferred upward as the drum 27 rotates as shown in FIG. After that, the belts 33a, 33
b, and is suspended by both side edges and transferred toward the transfer drum 37.

Since the distance between the disks 38a and 38b of the transfer drum 37 is sufficiently large, the nipple m is placed between the disks 38a and 38b.
With respect to belt 38b, belt 33a is in a free state,
33b into the drum 37.
Immediately after passing the top of 7, it separates from the belts 33a, 33b and falls down the guide part 41 in a predetermined posture (inverted from inside the rotary parts feeder 1).

The embodiments of the present invention have been described above, but of course the present invention is not limited thereto, and various modifications can be made based on the technical idea of the present invention.

For example, although the rotation speed of the motor 26 is not mentioned in the above embodiment, if this is made variable, the supply amount can be arbitrarily and easily adjusted.

Furthermore, in the above embodiment, the nipple m was explained as the part to be sorted, but if other means, such as suction means (by vacuum or magnet), are used as the means for picking up the parts of the drum 27 for picking up,
The present invention is also applicable to general parts.
In the embodiment, the spacer 28 serves as a pick-up means, that is, a component engaging means.

Furthermore, in the above embodiments, the rotary parts feeder 1 has been described as a means for transporting parts to be sorted, but the present invention is also applicable to a general spiral type vibrating parts feeder or a linear type vibrating parts feeder.

〔Effect of the invention〕

As described above, according to the parts sorting device of the present invention, the amount of parts supplied can be further improved than in the past. Even for rubber parts such as nipples, the transfer speed can be increased without using a flocked carpet, eliminating the troublesome problem of removing dust. Further, troublesome adjustment work is no longer necessary. It has various effects, such as being able to freely discharge horizontally or inclinedly, and easily discharging in an inverted position.

[Brief explanation of drawings]

FIG. 1 is a front view of parts of a parts sorting device according to an embodiment of the present invention, FIG. 2 is a side view of the same, FIG. 3 is a plan view of the same, FIG. FIG. 6 is an enlarged sectional view of the same main part, FIG. 7 is an enlarged plan view of the main part, and FIG. 8 is an enlarged side view of the main part.
The sectional view in the - line direction in the figure and FIG. 9 are side views of a conventional parts sorting device. In the figure, 27... Pick-up drum, 33a, 33b... Belt, 37... Parts transfer drum, R... Flange portion.

Claims (1)

[Claims] 1. A nipple-shaped rubber part that is made up of a rotating pick-up drum consisting of a pair of parallel discs and a parts transfer means, and that is in a standing position with the nipple facing upward, which is transferred directly below the rotating pick-up drum. The part is picked up by elastically sandwiching the nipple part between the pair of parallel discs, and the part is separated from the pick-up rotating drum by the part transfer means and transferred to a predetermined location. In the sorting device, the parts transfer means includes a parts transfer drum provided a predetermined distance away from the pick-up rotating drum;
It consists of a pair of wire-like belts wound between these drums, and the rubber nipple-shaped parts picked up on the pick-up rotating drum are rotated so that the two sides of the base of the rubber nipple-shaped parts are rotated, and the belts are wound around the top of the drum. The part is received by a pair of belts and removed from the drum, suspended by the belts at both side edges, transferred to the parts transfer drum, and dropped downward as the parts transfer drum rotates. A parts sorting device characterized by: