JPH0648512A - Part item storage stick and part item feeder - Google Patents

Abstract

PURPOSE:To provide a stick which stores part items and moves part items without being clogged with the parts. CONSTITUTION:This stick 8 is provided with slots 8c which extend in an axial direction formed at the side walls of a lengthwise cylindrical element 8a which stores part items 1a, 1b, and a cover which magnetically-attracts the open end of the cylindrical element 8a is provided. This part item feeder stacks and stores plural part items storage sticks 8 where openings 8c extending in an axial direction are formed at the side wall of the lengthwise cylindrical element 8a which stores the part items 1a, 1b with the openings 8c directed to one side, and is provided, at either of upper or lower ends with a stick storage element where through holes are drilled at a position corresponding to the opening part 8c of the stick and parts taking-out hole is drilled in the side wall adjacent to the through hole, and an exhaust means which exhausts empty sticks from the stick storage element.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a cylindrical component storage stick for storing electronic components and the like, and a component supply device for taking out components stored in the component storage stick.

[0002]

2. Description of the Related Art Electronic parts are subjected to electrical characteristic inspection and marking during the manufacturing process. In the above manufacturing process, individual parts are stored in a cylindrical part storage stick, and a large number of the sticks are accumulated and stored, and the sticks are moved between the steps to be continuously processed.

FIG. 8 shows an example of a conventional stick for housing electronic components. In the figure, reference numeral 1 denotes an electronic component, and a set of three leads 1b is led out from one side wall of the exterior resin 1a covering the electronic component main body. Reference numeral 2 denotes a stick for housing the electronic component 1, which is provided with bulging portions 2b, 2b projecting inwardly on a portion of the inner wall of the tubular body 2a having a rectangular cross section, the portion facing the side wall portion of the resin 1a from which the lead 1b is drawn out. ing. Reference numeral 3 denotes a rubber stopper that is inserted into both ends of the stick 2 to prevent the stored electronic component 1 from falling off.
Several to several tens are stored, both ends are closed with the stoppers 3 and 3 for storage and movement, and one stopper 3 is released to discharge and re-store the electronic component 1.

The cross-sectional shape of the stick 2 is set corresponding to the shape of the electronic component 1, and the material thereof is aluminum or resin.

FIG. 9 and FIG. 10 show an example of a component supply device for taking out an electronic component 1 stored in a stick 2 and supplying it to a predetermined work position. In the figure, reference numeral 4 denotes a cylindrical stick container for accommodating a large number of sticks 2 accommodating a large number of electronic components 1 in a state of being stacked in a tilted manner, and a take-out hole 4a at a portion facing the end of the stick 2 at the lowermost layer. Is open. 5a and 5b are the bottom stick 2 and the top stick 2 in the stick housing 4.
Are cut out portions that are arranged so as to oppose each other and hold and release the stick 2 by protruding and retreating into the stick housing body 4, and the lower cutout portion 5a supports the bottom portion of the stick 2.
Then, the upper cutout portion 5b clamps and releases the side wall of the stick 2. Further, the upper and lower cutout portions 5a and 5b alternately hold and release. Reference numeral 6 denotes a component conveying path connected to the take-out hole 4a, and 7 denotes a stick collecting chute that is arranged obliquely below the stick housing 4 and collects an empty stick 2.

In this device, the lower cutout portion 5a is projected inward, the upper cutout portion 5b is retracted, and the stick 2 containing a large number of electronic components 1 is removed from the stick 3 at one end thereof and the open end thereof is opened. The sticks are housed along the inner wall of the stick housing 4, and a large number of sticks 2, 2, ... Are housed in the same manner. The electronic parts 1, 1, ... In the bottom layer stick 2 are pushed out of the take-out holes 4a by their own weight and moved onto the parts conveying path 6, and are conveyed to a predetermined step by a conveying means (not shown) of the parts conveying path 6. It is sent at a fixed pitch. When the lowermost stick 2 is emptied, the upper cutout portion 5b holds the second stick 2 from the bottom, and the lower cutout portion 5b is held.
When a is released, the lowermost stick 2 falls and is collected by the collecting chute 7. And the lower cutout 5
When a is projected and the upper cutout 5b is released, the stick 2 descends in the stick housing 4 and is locked by the lower cutout 5a, and at the same time, the release end of the stick is located in the takeout hole 4a and the electronic component is conveyed by its own weight. Move to the street.

By repeating the above operation, electronic components are sequentially taken out.

[0008]

By the way, since the electronic component 1 in the stick 2 has an uneven center of gravity, when the electronic component 1 is tilted and taken out by its own weight, a rotational force is applied to the electronic component and the electronic component is caught and jammed in the stick 2. As a result, electronic parts may remain in the stick 2, making it impossible to take out the parts. There is also a problem that the stick 2 itself is caught in the stick housing 4 and further parts cannot be taken out.

Further, since the parts are discharged by their own weight, the force applied to each part is different between the first part and the last part in the stick 2, and the electronic parts on the rear side are placed in the stick. There is also a problem that it easily remains.

Therefore, the stick in the stick housing 4 is vibrated to prevent the electronic component 1 from being clogged. However, the electronic component may rub against each other in the stick to generate a foreign substance of a resin fragment. However, noise was generated, which was not preferable.

[0011]

The present invention has been proposed for the purpose of solving the above-mentioned problems, and is characterized in that an elongated hole extending in the axial direction is formed in a side wall of an elongated cylindrical body for accommodating components. And a component storage stick having a long cylindrical side wall for accommodating components, in which an opening extending in the axial direction is formed, and a large number of the component storage sticks are stacked with the opening facing toward one side and stored. At one end of the stick, a through hole is formed in a portion corresponding to the opening of the stick, and a side wall adjacent to the through hole is provided with a component take-out hole. A component supply device comprising: a component push-out body that moves along an insertion hole and presses a component to push it out from a component removal hole; and a discharge means that discharges an empty stick from a stick storage body. And Subjected to.

[0012]

According to the present invention, it is possible to insert the component push-out member for pushing the component from the outside into the elongated hole formed in the side wall of the stick.

[0013]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT An embodiment of the present invention will be described below with reference to FIG.
In the figure, 8 is a stick for storing the electronic component 1,
The lead 1 of the exterior resin 1a of the component housed in the tubular body 8a
A bulging portion 8b is protruded inward at a portion facing the portion where b is led out, and a long hole 8c having a long diameter is bored in the side wall of the cylindrical body 8a in the axial direction.

The component storage stick 8 can prevent the component 1 stored in the tubular body 8a from falling off by using a rubber stopper as in the conventional case.

The stick 8 can be taken out while the stick 8 is kept horizontal by inserting the parts pressing body through the elongated hole 8c and pressing the parts housed inside. At this time, the take-out speed of the component is determined by the moving speed of the component pressing body, and the moving posture is stable, so that the component does not get stuck on the way.

In this embodiment, the elongated hole 8c is formed on the side surface having the larger area, but it may be formed on the side wall having the smaller area.

2 and 3 show another embodiment of the component storage stick of the present invention. In the figure, the same reference numerals as those in FIG. In this embodiment, a long hole 8c is formed in the side wall of the tubular body 8a, and a lid 9 for closing the open end of the tubular body 8a is provided.

The lid 9 is provided with protrusions 9a and 9b at the top and bottom of the outer shape to be fitted to the stick 8, and the upper protrusion 9 is provided.
An oval through hole 9c is provided in a. Further, the lower projecting portion 9b is formed in a trapezoidal shape in which the end surface shape widens from the outside to the inside.

The end face of the cylindrical body 8a is formed with a cutout portion 8d and an engagement hole 8e so as to fit with the vertical projecting portions 9a and 9b of the lid body 9. Protrusion 8f adjacent to cutout 8d
A pin hole 8g for press-fitting and holding the pin 10 inserted in the projecting portion 9a is formed in the engaging hole 8e, and the engaging hole 8e is formed in a wedge-shaped cross section that becomes shallower from the outside toward the inside, and the lower portion of the lid 9 is formed. The protrusion 9b is engaged. Reference numerals 11a and 11b denote magnets embedded in both sides of the lid body 9 and in opposing portions of the tubular body 8a. Magnetic poles are applied so that the protruding portion 9b of the lid body 9 pushes inwardly of the notch 8e. Is determined, and the fixed position of the magnet is also determined. Opposing magnetic poles have the same polarity (N in the illustrated example)
It is convenient that the cover 9 is naturally released by the repulsive force of the magnet when the engagement between the cover 9 and the tubular body 8a is released.

Since this stick has the lid 9 and the tubular body 8a integrated, there is no risk of losing the lid 9, and opening and closing can be easily performed. Can be held securely.

FIGS. 4 and 5 show an apparatus for taking out and supplying the parts from the parts storage stick shown in FIG. In the figure, reference numeral 12 denotes a plurality of component storage sticks 8 and an elongated hole 8c.
Is a cylindrical stick container for horizontally accumulating and accommodating sideways, and an elongated hole 12a is formed in a side wall facing the elongated hole of the lowermost stick. In addition, the lower end of the surface opposite to the surface on which the elongated hole 12a is drilled is positioned above and the insertion passage 12
b is formed. Reference numeral 13 denotes an XY table, which is an X drive shaft 14a arranged in a direction orthogonal to the long axis of the stick 8 and guide shafts 14b and 14b.
The Y table 15 which moves by b is mounted. Reference numeral 15c indicates a step motor that rotates the Y drive shaft 15a. The X drive shaft 14a is also driven by a step motor, but is not shown. The Y table 15 is provided with a component pressing body 16 having a tip portion protruding and retracting into and from the stick 8 through the long holes 12a and 8c. 17,
17 is fixed to the X table 14 and the stick storage body 1
In the stick support that moves below 2, a taper portion 17c is formed between the wide portion 17a and the narrow portion 17b from the middle portion to the tip portion, and further from the narrow portion 17b to the position of the wide portion 17a shown in FIG. The component pressing body 16 is the stick 8
Move to a position where you can get inside.

The operation of this device will be described below. First, from the state shown in FIG. 5, the Y table 15 is moved to one end of the stick 8 on the side opposite to the part take-out hole, the X table 14 is operated to approach the stick storage body 12, and the part pressing body 16 is placed inside the stick 8. It is inserted and the X table 14 is stopped at this position. Then, the Y table 15 is fed at a constant pitch and the component pressing body 16 presses the component to take it out from the end of the stick. After taking out all the parts, the X table 14 is operated, the part pressing body 16 is pulled out from the stick 8 and the stick storing body 12, returned to the state of FIG. 5, and further, as shown in FIG. 6, a stick functioning as a stick discharging means. The support 17 is moved so that the narrow portion 17b is located below the stick storage body 12. As a result, the lowermost stick 8 has a taper portion 17c.
Slides down from the narrow portion 17b onto the insertion portion 1
2a can be inserted. At this time, a part of the second stick from the bottom is on the insertion part 12b, but it does not fall off from the stick housing 12. Next X table 1
When 4 is brought close to the stick storage body 12, the stick in the lowermost layer is pressed by the taper portion 17c and the insertion portion 12b.
Is pushed out of the stick storage body 12, and the taper portions 17c and 17a are sequentially moved and positioned below the stick storage body 12. Therefore, when the lowermost stick 8 is completely moved to the outside of the stick housing body 12, the second stick from the bottom drops onto the wide portion 17a to be in the state of FIG.

By repeating the above operation, the parts in the stick are sequentially taken out.

In this device, since the stick is kept horizontal and the parts are pushed out to be taken out, the parts are not clogged, the stick is not clogged in the stick storing body, and an auxiliary mechanism such as a vibration exciter is unnecessary. No noise is generated.

In this embodiment, the XY table is driven by the motor and the ball screw mechanism, but it can be replaced by a link mechanism, a cam mechanism or any other suitable mechanism.

FIG. 7 shows an essential part of a component supply device in which the stick shown in FIG. 2 is applied to the component supply device shown in FIG. In the figure, the same reference numerals as those in FIG. 2, FIG. 3, and FIG. In this device, a rotary shaft 18a of a motor 18 is arranged coaxially with a pin 10 of a stick 8 in a stick housing 12, an arm 19 is attached to the rotary shaft 18a, and a slide rail 20 is attached to a tip portion of the arm 19. , Is attached in parallel with the lid 9 of the stick 8 in the closed state. A cylinder 21 is fixed to the slide rail 20 and its movable rod 21a is fixed to the rail 20.
It is connected to the slide block 22 fitted to. The slide block 22 has a magnet 11 a embedded in the lid 9.
An electromagnet 23 acting as an opening / closing means is fixed so as to face the.

The operation of this device will be described below. In the state shown in FIG. 7, when the magnetic pole of the electromagnet 23 is set to have a magnetic polarity opposite to that of the magnet of the lid body 9, the lid body 9 and the electromagnet 23 are attracted to each other. Next, when the cylinder 21 is actuated, the electromagnet 23 moves upward, but since the pin 10 is inserted into the elongated hole 9c of the lid 9, the movement of the electromagnet 23 also lifts the lid 9 upward and the lower protrusion 9b. Is disengaged from the engaging hole 8e. After that, when the motor 18 is rotated by 45 degrees, the lid 9 is opened and the internal parts can be taken out. When the parts are removed,
The lid 9 is closed by performing the operation reverse to the above operation or stopping the operation of the electromagnet 23, and the stick storage body 12
Therefore, the stick 8 can be eliminated.

In this device, when the stick 8 is housed in the stick housing 12, it is possible to work with the lid 9 closed, so there is no risk of parts falling off the stick.

[0029]

As described above, according to the present invention, since the stick is kept horizontal and the parts are pushed out to be taken out, the parts are not clogged, the stick is not clogged in the stick housing, and the vibration is applied. There is no need for an accessory mechanism such as a machine,
No noise is generated.

[Brief description of drawings]

FIG. 1 is a partial sectional perspective view showing an embodiment of the present invention.

FIG. 2 is a perspective view of an essential part showing another embodiment of the present invention.

FIG. 3 is a side sectional view of an essential part of FIG.

FIG. 4 is a plan view showing a component supply device according to the present invention.

5 is a sectional view taken along line BB of FIG.

FIG. 6 is a sectional view for explaining the operation of the apparatus shown in FIG.

FIG. 7 is a side sectional view of a main part of a component supply device showing another embodiment of the present invention.

FIG. 8 is a partial cross-sectional perspective view showing an example of a conventional component storage stick.

FIG. 9 is a side sectional view of a conventional device for supplying components from a stick.

10 is a sectional view taken along line AA of FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Electronic component 8 Component storage stick 8a Cylindrical body 8c Long hole 9 Lid body 12 Stick storage body 12a Through hole 16 Component pressing body 17 Stick support body (Ejection means) 23 Electromagnet (Opening and closing means)

Claims (4)

[Claims] 1. A component storage stick characterized in that an elongated hole extending in the axial direction is formed in a side wall of a long cylindrical body for storing a component. 2. The component storage stick according to claim 1, wherein the open end of the tubular body is closed by a lid that magnetically attracts the tubular body. 3. A component storage stick having an opening extending in the axial direction formed on the side wall of a long tubular body for storing components, and a plurality of component storage sticks are stacked with the opening facing toward one side and stored. A stick storage body having a through hole at one end corresponding to the opening of the stick and a part take-out hole at a side wall adjacent to the through hole, and a protruding / retracting portion into the stick through the through hole. A component supply device comprising: a component pressing body that moves along a through hole to press a component to take out the component from a component extraction hole; and a discharging unit that discharges an empty stick from a stick container. 4. A component supply device characterized in that an opening / closing means for opening / closing a lid mounted on an open end of a tubular body is provided in the vicinity of a component taking-out hole of a stick storage body.