JP2003020115A - Small-part feeder - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small-part feeder, capable of preventing generation of any clogging in a receiving part, and feeding an appropriate amount of small parts at the time of feeding the small parts, in the feeder for the small parts, such as a water-proof rubber plug to be attached to a cut terminal of a covered wire. SOLUTION: In this small-part feeder 100, a method for feeding the small parts to the receiving part 24 provided at an upper part of the feeder 100 for the small parts is completed by a method for floating and circulating the small parts in a housing 21 of the device by air blasting, and supplying the small parts to the receiving part 24 for uniformly supplying the small parts. A brush 27 is disposed adjacent to the receiving part 24. Thus, the feeder 100 for the small parts can be provided which can feed an appropriate amount of the small parts to a conveyance part 23 without any clogging in the receiving part 24.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an apparatus for supplying thin parts used for transferring thin parts to a processing apparatus when assembling various equipment.

[0002]

2. Description of the Related Art In the assembly of various kinds of equipment, a thin-part supply device for transferring a small part to a processing device for mounting and processing it is used. For example, coated electric wires used in various electric devices are cut to an appropriate length, a waterproof rubber plug is inserted from the cut terminal, and then the coating of the portion to which the connection terminal is attached is peeled off. Then, the connection terminal and the like are attached to the core wire. This waterproof rubber plug is used for moisture proofing and insulating coating when crimping and fixing the terminal to the core wire with the coating portion peeled off. For this reason, the waterproof rubber stopper is placed on the transport section by the waterproof rubber stopper supply device and transferred to the terminal processing device. In the terminal processing device, after mounting a waterproof rubber stopper behind the portion where the connecting terminal is crimped and fixed from the cut end of the covered electric wire, the coating of the portion where the terminal of the covered electric wire is crimped and fixed is peeled off, and this peeled off. The connection terminal is crimped and fixed over the core wire and the waterproof rubber plug.

As shown in FIG. 9, a conventional waterproof rubber plug supply device transfers a waterproof rubber plug at a lower portion of a drum 41 to an upper portion, and a receiving portion 24 disposed in the middle of the drum 41, and then a conveying portion 23. The waterproof rubber stopper in the drum 41 is lifted by the rotation of the drum 41. Drum 4
1 is placed on two support rods 42, and the rotation of the support rods 42 causes the drum 41 to rotate. At this time, the waterproof rubber plugs are gathered together by the blades 43 provided in the drum 41, carried upward as the drum 41 rotates, and dropped to the receiving portion 24 to be supplied. According to this rotation method of the drum 41, the amount of waterproof rubber plugs collected by the wings 43 depends on the amount dropped from the receiving portion 24 and the like,
As the number of times is increased, a large amount is supplied to the receiving portion 24,
There is a problem that the amount of the waterproof rubber plug supplied to the receiving part is not constant, such as the amount of supply being small.

Further, the waterproof rubber stoppers collected in the receiving portion are placed on the conveying portion here, but since the receiving portion does not have a control mechanism for the supply amount of the waterproof rubber stoppers, the excessive amount of the waterproof rubber stoppers is often received. The parts may become clogged. in this way,
There is a demand for a thin-part supply device that can supply the waterproof rubber plug to the receiving portion at a constant amount, does not clog the receiving portion, and can smoothly mount the waterproof rubber plug on the conveying portion.

[0005]

In a device for supplying a thin part such as a waterproof rubber plug to be attached to a cutting end of a covered electric wire, when the thin part is supplied, the receiving part is not clogged and a proper amount of the thin part is supplied. An object of the present invention is to provide a thin-part supply device that can perform such a work.

[0006]

As a result of intensive studies, the inventor of the present application has found that in a thin-part feeder, a method for feeding a thin part to a receiving portion provided on the upper part of the thin-part feeder is blown. Thus, a method has been completed in which thin parts are uniformly circulated in the housing of the apparatus by supplying them to the receiving part. Further, by disposing the brush in the vicinity of the receiving part, the above problem is solved by providing a thin component supply device capable of supplying an appropriate amount to the transporting part without clogging the receiving part.

According to a first aspect of the present invention, there is provided a supply port for supplying a thin component at an upper portion thereof, a receiving portion for receiving the thin component supplied from the supply port, a transport unit for transporting the thin component, and A supply device for a thin part, characterized in that it has a blower port for transferring the thin part to the supply port, and the fine part is suspended and circulated by the air blown by the blower port to supply the thin part to the supply port. is there. It is possible to adjust and supply the supply amount of the thin parts to an appropriate amount by supplying the thin parts to the supply port for supplying the thin parts to the transporting unit by blowing the thin parts in a circulating manner by supplying air. Further, it is possible to easily deal with thin parts of any size by changing the amount of blown air or the position of blown air.

The invention according to claim 2 is characterized in that the supply amount of the fine parts supplied from the supply port to the conveying part can be adjusted by a brush arranged in the vicinity of the receiving part. It is a product supply device. By arranging and rotating a brush near the receiving part of the thin parts, the excessively supplied thin parts are shaken off by the brush, dropped to the lower part of the housing, and again circulated upward by blowing air. By doing so, it is possible to prevent the receiving part from being clogged with thin parts, and it is possible to adjust the supply amount.

According to a third aspect of the invention, there is provided the thin component supply apparatus according to the first or second aspect, wherein the thin component is a waterproof rubber plug. A waterproof rubber plug can be used as the thin part. Such an extremely small waterproof rubber plug can be easily circulated in the housing of the feeding device for thin parts by air flow and placed on the carrying section.

[0010]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings, but the present invention is not limited to the following embodiments as long as it is included in the gist thereof. The thin parts in the present invention refer to small parts made of rubber, wood, plastic or the like, in addition to the waterproof rubber stopper described in the following examples. The type of the component is not particularly limited as long as it is a fine component that can be floated and circulated in the housing by blowing air and can be handled in the supply device. The thin component feeding device of the present invention is a device for mounting and feeding such a thin component on another component, or for mounting it on a transport unit to transport it to a device for processing. Below, as a thin part, a thin part supply device for transferring a waterproof rubber plug used for moisture proofing and insulation coating to a terminal processing device when crimping and fixing a terminal to a core wire from which a covering part of a covered electric wire is peeled off. An example will be described.

As shown in FIG. 1, the feeder 100 for supplying thin parts of the present invention is shown in FIG. 1, in which a conveying section 23 projects from the middle of a housing 21 of the apparatus, and a brush motor 22 projects from the rear of the housing 21. It is set up. The height of the housing 21 of the thin-part supply device created here is about 32c.
m, the length is about 15 cm, and the width is about 17 cm. However, the device for supplying the thin parts is not limited to this size, and the thin parts are suspended and circulated by blowing air so that the thin parts are placed in the receiving portion. The size of the housing may be larger or smaller than the above size as long as it can be supplied. The housing 21 is made of a transparent acrylic plate and has a structure in which the supply state of the thin parts inside can be seen at a glance. In the present invention, the housing 21 is made of an acrylic plate, but the housing 21 is not limited to the acrylic plate and may be made of another synthetic resin or a metal plate. As a structure, it is preferable that there is a portion where the supply state of the thin parts in the housing can be easily observed.

As shown in FIG. 2, the apparatus for supplying thin parts of the present invention is provided with a blower motor 25 and a brush motor 22 outside the housing 21, as shown in FIG. In addition, the housing 21 includes a receiving portion 24 for a thin component.
A brush 27 and a transport unit 23 are provided. At the back of the front of the position of the blower motor 25, there is a blow-up port 26 for blowing up again the thin parts dropped from the receiving part 24 to the lower part of the housing 21 for floating circulation of the thin parts. Transport section 2
The thin parts arranged in 3 are conveyed and sent to the next processing device 31.

As shown in FIG. 3, a waterproof rubber plug 12 as a thin component used in this embodiment is obtained by cutting a covered electric wire into a desired length, and then cutting the covered electric wire 11 into the waterproof rubber plug 12 as shown in FIG. Is inserted, and the coated portion to which the connection terminal is attached is peeled off, and the terminal 14 is crimped and fixed between the core wire 13 exposed by the peeling and the waterproof rubber plug 12 inserted first.

When the waterproof rubber plug 12 is inserted into the thin-part supply device 100 shown in FIG. 4, the waterproof rubber plug 12 is blown from the bottom of the housing 21 to the rear by the blowing of the blowing motor 25 in front of the housing 21. It is blown upward through 26 and is supplied to a supply port 26 a provided in the upper part of the housing 21. The waterproof rubber plug 12 supplied to the supply port 26a is supplied to the receiving portion 24 provided at one end of the conveying portion 23. Excessively supplied waterproof rubber plug 12
The brush 27 is shaken off by the brush 27 disposed above the receiving portion 24, and an appropriate amount is placed on the conveying portion 23. The waterproof rubber stopper placed on the transport unit 23 is shaken off by the claws provided on the transport unit 23, and the waterproof rubber stopper that is turned upside down is recirculated and circulated again. Only the stopper is transported to the terminal processing device.

As shown in FIG. 5, the structure of the thin-part supply device 100 is shown in FIG. 5, in which the air blown from the blowing motor 25 passes through the blower port 25a and blows up the waterproof rubber plug 12 from the blow-up port 26. The waterproof rubber plug 12 is received from the supply port 26a while being circulated in the housing 21 in a floating manner.
Supply to. The excessively supplied waterproof rubber stopper is a brush 27
It is then sifted off, is returned from the recovery port 26b to the blow-up port 26, and has a structure of floating circulation again. As shown in FIG. 6, a blower port 25a for blowing air to the blow-up port 26 may be provided directly below the blow-up port 26 to circulate the waterproof rubber plug in a floating manner. By attaching a net to the blower opening 25a to prevent the small parts from falling down, and by providing the blower opening 25a directly below the blow-up opening 26, the blowing becomes more direct, and it is possible to handle relatively large thin parts. It is possible to

As shown in FIG. 7 when viewed from the other side of the thin component supply apparatus 100, the waterproof rubber plug blown up from the blow-up port 26 by the blower motor on the opposite side collects in the supply port 26a. Then, it is supplied from the supply port 26a to the receiving section 24 and placed on the transport section 23.
The brush 27 is attached to the upper part of the receiving part 24 because the receiving part 24 may be clogged when supplied excessively.
The brush motor provided on the back surface of the housing 21 rotates the brush 27, and the waterproof rubber plug 12 excessively supplied to the receiving portion 24 is wiped off below the housing 21 to prevent the receiving portion 24 from being clogged. It is like this.
The waterproof rubber plug 12 that was blown off below the housing 21
Is blown up again from the recovery port 26b by blowing air.
Is suspended and circulated and supplied to the supply port 26a.

A method for feeding the waterproof rubber plug 12 from below the thin-part feeding device 100 to the supply port 26a provided at the upper part of the thin-part feeding device 100 is described below. The waterproof rubber plug 12 can be uniformly supplied by floating and circulating it and supplying the waterproof rubber plug 12 to the supply port 26a as shown in FIG. Further, by providing the brush 27 in the receiving portion 24, the waterproof rubber plug 12 can be rotated by rotating the brush 27.
Even if the toner is excessively supplied to the receiving portion 24, the waterproof rubber plug 12 is not shaken off by the brush 27 and the receiving portion 24 is not clogged, and an appropriate amount can be supplied to the transporting portion 23. Although the brush 27 is made of synthetic resin, if it is too soft, the effect of brushing off the waterproof rubber plug 12 is weak, but if it is too hard, the waterproof rubber plug 12 is scratched, so the waterproof rubber plug 12 is not scratched and is effective. Hardness that can be removed is desirable.

[0018]

EFFECTS OF THE INVENTION The thin-part supply device of the present invention supplies the thin parts in a floating manner by supplying air to the supply port for supplying the thin parts, so that there is less contact between the thin parts, and It has the effect that it can be supplied uniformly without damaging. Further, by disposing a brush near the receiving portion of the thin component, it is possible to adjust the excessively supplied thin component to an appropriate amount, and it is possible to prevent the receiving portion from being blocked by the excessively supplied thin component. ing.

[Brief description of drawings]

FIG. 1 is a side view of a waterproof rubber stopper supply device.

FIG. 2 is a top view of a waterproof rubber stopper supply device.

FIG. 3 is a perspective view of a covered electric wire having a terminal attached thereto.

FIG. 4 is a side perspective view of a waterproof rubber stopper supply device.

FIG. 5 is a rear perspective view of the waterproof rubber stopper supply device.

FIG. 6 is a side view of the waterproof rubber stopper supply device.

FIG. 7 is a perspective view of a waterproof rubber stopper supply device.

FIG. 8 is a partial perspective view of a waterproof rubber stopper supply device.

FIG. 9 is a perspective view of a drum type waterproof rubber stopper supply device.

[Explanation of symbols]

100: Supply device for waterproof rubber stopper 11: Coated electric wire 12: Waterproof rubber stopper 13: Core wire 14: Terminal 21: Housing 22: Brush motor 23: Transport section 24: Receiver 25: Blower motor 26: Blow-up mouth 26a: Supply port 26b: Collection port 27: Brush 31: Processor 41: Drum 42: feather 43: Indicator rod

Claims (3)

[Claims] 1. A receiver having a supply port for supplying a thin component at an upper portion thereof, the receiving unit receiving the thin component supplied from the supply port, a transport unit for transporting the thin component, and transferring the thin component to the supply port. And a blower port for supplying the fine component to the supply port, in which the fine component is suspended and circulated by the blown air from the blower port. 2. An apparatus for supplying thin parts according to claim 1, wherein the supply amount of the thin parts supplied from the supply port to the conveying section can be adjusted by a brush arranged near the receiving section. 3. The thin component feeding apparatus according to claim 1, wherein the thin component is a waterproof rubber stopper.