JPH07328862A - Part feeder - Google Patents

Abstract

PURPOSE:To provide a part feeder by which parts can be speedily moved and arranged without generating static electricity in the parts to be supplied. CONSTITUTION:A part feeded is provided with a part feeder body 1 to successively supply a large number of parts placed in a part reservoir from a supply port 6 by arranging them while moving them, a box 2 to cover the part feeder body 1, a humidifier 3 arranged in the box 2, a humidity sensor 4 to detect relative humidity in the box 2 and a humidity controller 5 to maintain the relative humidity in the box 2 in a prescribed value or more by controlling the humidifier 3 according to the relative humidity detected by the humidity sensor 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a parts feeder for sequentially aligning and supplying parts to be used in various work lines.

[0002]

2. Description of the Related Art Conventionally, a parts feeder for moving a large number of parts mounted in a parts reservoir while frictionally contacting each other, aligning them, and sequentially supplying them from a supply port has been known as a vibrating bowl feeder, a vibrating rectilinear feeder, Various types of circulating linear parts feeders, drum feeders (barrel feeders), etc. have been developed. From these, the types of parts feeders that are suitable for the parts to be used are selected according to the size and shape of the parts. These parts feeders are widely used in a wide range of fields.

These various parts feeders have different structures, characteristics, and sizes and shapes of suitable parts, but the common point is that a large number of parts to be supplied are supplied to each other by vibrating means or conveying means, or mutually. It is to move and align the parts and the feeder while making contact friction.

[0004]

Previously, most of the parts handled by the above parts feeders were parts such as bolts, nuts, terminals, and connectors made of metal,
There was no problem that static electricity was generated when moving while contacting friction with each other, but recently,
As parts made of insulating materials such as ceramics and plastics are used, when the parts are moved and aligned while contacting and rubbing against each other, static electricity is generated due to friction between the parts And pull each other
There is a problem that they cannot move or align smoothly. Further, when an insulating belt or the like is used in the parts feeder, a similar problem occurs due to friction between the parts and the belt or the like.

An object of the present invention is to solve the above-mentioned problems and to provide a parts feeder capable of swiftly moving and arranging parts to be supplied without static electricity being generated throughout the four seasons.

[0006]

In order to solve the above-mentioned problems, the parts feeder of the present invention is a parts feeder main body in which a large number of parts mounted in a parts reservoir are aligned while being moved and sequentially supplied from a supply port. A box that covers the parts feeder body, a humidifier provided in the box, a humidity sensor that detects the relative humidity in the box, and the humidifier is controlled based on the relative humidity detected by the humidity sensor. A humidity controller for maintaining the relative humidity in the box at a predetermined value or higher.

[0007]

In the parts feeder of the present invention, the parts feeder main body is provided with a box for covering the parts feeder main body,
A humidity controller controls a humidifier provided in the box based on the relative humidity detected by a humidity sensor provided in the box to adjust the relative humidity in the box to a predetermined value or more.

When a part feeder is used to handle a part made of an insulating material such as ceramics or plastic, if the humidity in the box is adjusted to, for example, a relative humidity of 50% or more, more preferably 60% or more. Prevents generation of static electricity throughout the four seasons when components are moved and aligned while contacting friction with each other or contact friction between components and feeders And allows for rapid movement, alignment and supply of parts.

[0009]

Embodiment An embodiment of the parts feeder of the present invention will be described with reference to FIG. In this embodiment, the parts feeder main body 1
A box 2 covering the parts feeder main body 1, a humidifier 3 provided in the box 2, a humidity sensor 4 for detecting the relative humidity in the box 2, and a relative humidity detected by the humidity sensor 4. The humidity controller 5 controls the humidifier 3 based on the above, and maintains the relative humidity in the box at 60% or more. Reference numeral 6 is a supply port for the components to be supplied.

The parts feeder main body 1 moves and aligns a large number of parts mounted in a parts reservoir while contacting friction with each other by vibrating means and conveying means and sequentially supplying them from the supply port 6.

Conventionally, there are many types of parts feeders such as a vibrating bowl feeder, a vibrating linear feeder, a circulating linear part feeder, and a drum feeder (barrel feeder). Depending on the shape and size of the parts to be supplied, , It is possible to adopt a format with suitable characteristics. However, what is common to the above-mentioned types of parts feeders is that a large number of supplied parts are in contact with each other or between the parts and the feeder when they are moved and aligned.

In this embodiment, a large number of parts to be supplied are
When moving and aligning, the parts feeder main body 1 which contacts and frictions between parts is used.

The type of the humidifier 3 need not be particularly selected, but in this embodiment, the humidifier 3 using an ultrasonic vibration element was used. Using this, 1. Since the output control of ultrasonic vibration is the amount of vaporization of water as it is without any time lag, it is possible to perform quick humidification control with no time difference compared to steam generation by heating with temperature inertia.

2. Compared with steam generation by heating, there is no temperature rise in the box and there is no concern about excessive humidification due to temperature rise.

3. You can use a filter to humidify with clean steam.

4. It is small.

5. The water in the puddle can be humidified for a long time.

6. Withstands empty cooking.

7. The power consumption is as small as 1-2 W.

The features described above are obtained, and it is excellent as a humidifier for this purpose.

The relative humidity in the box 2 is detected by the humidity sensor 4, and the humidity controller 5 controls the output of the ultrasonic vibration of the humidifier 3 based on the detected relative humidity. Control the humidity above a specified value.

Generally, in a parts feeder in which a large number of supplied parts vibrate, move, and are aligned with each other, the parts feeders contact and rub against each other. Regardless of the problem of static electricity generation,
If the components of the parts are non-conductive ceramics or plastics, a large number of parts will be supplied depending on the season.
When vibrating, moving and aligning, static electricity is generated due to contact friction between the parts, electrostatic attraction force works between the parts, the parts that attracted each other cannot move and block the transport path, and the parts are supplied. The trouble that it becomes impossible occurs.

Various factors act on the above-mentioned difference in generation of static electricity, and there are various countermeasures against the respective factors. As a result of various examinations, the relative humidity of the atmosphere at the place where the parts feeder is used is controlled. It is the present embodiment that has reached the conclusion that is the simplest and the most effective, and embodied the one with the good examination result by the relative humidity control.

In the present embodiment, as a result of performing tests throughout the four seasons using parts made of non-conductive ceramics and plastics, it was found that in any type of parts feeder, 2. The effect of preventing the generation of static electricity is recognized in the contact movement of certain parts with a relative humidity of 50% or more. At a relative humidity of 60% or more, it is possible to always prevent static electricity from being generated due to contact movement of components, and to constantly and quickly contact components to align and supply components.

The following results were obtained.

In this embodiment, a part feeder is used in which a large number of parts to be supplied come into contact with each other when they are moved and aligned. However, the parts feeder does not come into contact with each other. However, when a conveyor belt made of an insulator is used, there is a problem of static electricity generation. Against this, static electricity generation can be similarly prevented.

[0027]

The parts feeder of the present invention controls the relative humidity in the box containing the parts feeder main body to a predetermined value or more, so that the parts made of non-conductive ceramics or plastics are electrostatically charged throughout the four seasons. The effect of being able to always move, align, and supply without any occurrence of

[Brief description of drawings]

FIG. 1 is a side view showing a configuration of an embodiment of a parts feeder of the present invention.

[Explanation of symbols]

 1 Parts feeder main body 2 Box 3 Humidifier 4 Humidity sensor 5 Humidity controller

Claims (1)

[Claims] 1. A parts feeder main body for feeding a large number of parts mounted in a parts reservoir while moving them and sequentially supplying them from a supply port, a box for covering the parts feeder main body, and a humidifier provided in the box. A humidity sensor for detecting the relative humidity in the box, and a humidity controller for controlling the humidifier based on the relative humidity detected by the humidity sensor and maintaining the relative humidity in the box at a predetermined value or more. A parts feeder characterized by this.