JPH10199773A - Sealing rubber positioning device for aluminum electrolytic capacitor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To raise the accuracy in positioning of a sealing rubber, by constituting this positioning device of a mechanism which performs the detection of the insertion hole by means of two pieces of detection sensors for positioning of sealing rubber, and the vertical shifting action of a positioning pin. SOLUTION: A rim idler 6 is rotated, and when detection sensors 13 and 14 detect the existence of the insertion hole 11 of sealing rubber 1 during the rotation of the sealing rubber 1, the rim idler 6 is stopped, and by the output signals of the detection sensors 13 and 14, a brake 4 is abutted against a retainer 2 to apply braking. Next, the rotation of a turn table 5 is stopped, and the brake 4 is broken off the retainer 2, and the retainer 2 is made free of rotation. Subsequently, the positioning body 15 shifts downward, and when it comes close to the sealing rubber 1, the retainer 2 is rotated so that the insertion hole 11 may follow the globular tip projection of the positioning pin 16, and the sealing rubber 1 is modified in the specified position, and the final positioning is performed. Then, the brake 4 is abutted again against the retainer 2, and the retainer 2 is fixed, and this action is repeated for each sealing rubber 1.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sealing rubber positioning device for an aluminum electrolytic capacitor used for an electronic device.

[0002]

2. Description of the Related Art As a technique related to a conventional sealing rubber positioning device for an aluminum electrolytic capacitor, a device for recognizing an insertion hole of a printed circuit board and inserting an electronic component is disclosed in, for example, JP-A-5-335794. .

A recognition means for recognizing an insertion hole for inserting an electronic component in a printed circuit board, and comparing NC data of the insertion hole obtained by processing image data by the recognition means with preset NC data. An electronic component mounting machine comprising: processing means for calculating the shift between the two; and means for correcting the position of the XY table on which the printed circuit board is installed based on the shift obtained by the processing means.
The processing means is provided with means for processing the image data according to the hole state recognized by recognizing various hole states of the printed circuit board, and appropriately processing the recognition result when there is a burr etc. in the insertion hole. Then, the electronic component is reliably inserted based on the visual recognition without being affected by the quality of the printed circuit board by performing the processing of the positional deviation correction.

[0004]

However, the above-described conventional apparatus requires an image recognizing means, an arithmetic processing means for processing image data, and a means for correcting a position, and is an expensive and complicated apparatus. There is a problem that.

An object of the present invention is to solve the conventional problems, to prevent the detection error of the insertion hole of the sealing rubber of the aluminum electrolytic capacitor, and to set the positioning of the insertion hole of the sealing rubber with a simple configuration. It is an object of the present invention to provide a sealing rubber positioning device for an aluminum electrolytic capacitor having excellent positioning accuracy.

[0006]

According to the present invention, there is provided a sealing rubber positioning device for an aluminum electrolytic capacitor according to the present invention, comprising: a holding portion which holds a sealing rubber and is rotatable around a center point of the sealing rubber; A transport unit that transports the holding unit with a turntable mounted at a predetermined pitch, a detection sensor that detects the insertion hole position of the lead wire provided in the sealing rubber, a rotation driving mechanism of the holding unit, and an output signal of the detection sensor. A positioning unit including a brake mechanism for braking rotation,
A positioning pin for setting a sealing rubber position with the insertion hole,
Since the detection sensor is configured to include a mechanism for adjusting the rotation and the XY directions, it is possible to obtain excellent positioning accuracy of the sealing rubber.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION
A transport unit composed of a turntable in which a holding unit that holds the sealing rubber at the lower end in the hole is rotatably arranged at a predetermined pitch, a detection sensor that detects a position of an insertion hole of a lead wire of the sealing rubber, and rotation of the holding unit. Sealing rubber positioning for an aluminum electrolytic capacitor, comprising a positioning part comprising a driving mechanism and a brake mechanism for braking the rotation of the holding part by an output signal of a detection sensor, and a positioning pin for inserting the insertion hole to set the sealing rubber position. The device has the function of setting an insertion hole for a sealing rubber at a predetermined position.

According to a second aspect of the present invention, there is provided an aluminum electrolytic capacitor according to the first aspect, wherein two detection sensors for detecting a position of an insertion hole of a lead wire attached to a mechanism for adjusting rotation and X and Y directions are provided. This is a sealing rubber positioning device, which has the function of matching the position detection with the positioning setting and improving the detection accuracy.

According to a third aspect of the present invention, there is provided the sealing rubber positioning device for an aluminum electrolytic capacitor according to the first or second aspect, wherein the rotary drive mechanism comprises a drive motor and a rim idler. In addition to the effects of the first and second aspects, the present invention has an effect of transmitting smooth rotation to the holding portion with a simple configuration.

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view of a main part showing a configuration of a sealing rubber positioning device for an aluminum electrolytic capacitor according to an embodiment of the present invention, FIG. 2 is a partial cross-sectional view taken along the line CC in FIG. 1, and FIG. 4 is a bottom view of FIG. 3, FIG. 5 is a partial cross-sectional view of FIG. 1 taken along the line EE, and FIGS. 6A and 6B are a plan view and a sectional view of a sealing rubber. is there.

In FIG. 1 to FIG. 6, reference numeral 1 denotes a sealing rubber, which has a disc shape or a cylindrical shape, and has two insertion holes 11 at predetermined pitches for inserting lead wires of an aluminum electrolytic capacitor.

Reference numeral 2 denotes a holding portion, which is formed of a cylindrical metal or ceramic material having a hole whose upper end is larger in outer diameter than the other portion and whose inner diameter is substantially the same as the outer diameter of the sealing rubber 1. A sealing rubber 1 is inserted and held at the lower end of the inside.

Reference numeral 3 denotes a rotating bearing such as a bearing, into which the cylindrical portion of the holding portion 2 is inserted and mounted.
The holding portions 2 are rotatably arranged at a predetermined pitch on the circumference of a turntable 5 made of a metal material, a ceramic material, or the like attached to one end of the reference numeral 0, and are fixed.

Reference numeral 4 denotes a mechanical or electromagnetic brake, which is mounted on the upper surface of the turntable 5 near the holder 2 so as to be swingable by a support shaft 9 and which comes into contact with the holder 2. Is made of an elastic material such as a rubber material, and abuts on the outer periphery of the upper end of the holding section 2 to brake the rotation of the holding section 2.

Reference numeral 6 denotes a disk-shaped rim idler whose contact portion for rotating or stopping the holding portion 2 by contacting the outer periphery of another upper end portion of the holding portion 2 is made of an elastic material such as rubber material. , And is rotationally driven by being coupled to a drive motor 8 such as a pulse motor or a servo motor.

Numerals 13 and 14 denote a pair of upper and lower detection sensors, each of which is of an optical type or the like. Sealing rubber 1
Is detected.

Reference numeral 15 denotes a positioning body, which is provided at its lower end with a positioning pin 16 having a distal end made of a spherical metal material or the like and having an outer diameter substantially the same as the inner diameter of the insertion hole 11. The final position of the sealing rubber 1 is set by inserting the positioning pin 16 into the opening.

Reference numeral 17 denotes a sensor bracket that can be adjusted in the rotational direction with the center of the sealing rubber 1 and the holder 2 as a center point. Reference numeral 18 denotes a sensor bracket, which rotatably holds the sensor bracket 17 and rotates the XY stage 1.
9, the XY stage 19 can be adjusted in the X and Y directions by operating the X direction knob 20 and the Y direction knob 21.

The rotating shaft 10 is connected to a driving mechanism (not shown) and rotates the turntable 5 intermittently or continuously so that the holding unit 2 is positioned at the detecting sensors 13 and 14, ie, the brake 4, the rim idler 6 and the driving motor 8 Is transported to a predetermined location of the positioning section.

A burr 12 shown in FIG. 6 is a portion protruding from the insertion hole 11 of the sealing rubber 1.

Next, the operation will be described. First, by moving the rim idler 6 and the drive motor 8 to the right in the direction of the arrow D (the drive mechanism is not shown), the outer periphery of the rim idler 6 is separated from the outer periphery of the upper end of the holding unit 2 and the support shaft 9 The brake 4 that swings with the fulcrum as a fulcrum is brought into contact with the outer periphery of the upper end portion of the holding portion 2 (the driving mechanism is not shown), and the holding portion 2 holding the sealing rubber 1 at the set position of the positioning portion is moved. Brakes and holds.

Next, by rotating the rotary shaft 10 (the drive mechanism is not shown), the turntable 5 is rotated in the direction of arrow A by a predetermined angle, for example, 45 degrees, to transfer the holder 2 and to position the holder 2. Under the sealing rubber 1
The brake 4 transfers a new rotatable new holding unit 2 which is not in contact with the outer periphery of the upper end.

Subsequently, the rotation of the turntable 5 is stopped, and the drive motor 8 moves to the left in the direction of arrow D to bring the outer periphery of the rim idler 6 into contact with the outer periphery of the upper end of the holding section 2.
Then, the drive motor 8 is driven to rotate, and the rim idler 6 is rotated clockwise or counterclockwise as indicated by an arrow B to rotate the holding portion 2, that is, the sealing rubber 1 (the state of FIG. 1).

Next, when the presence of the insertion hole 11 of the sealing rubber 1 is detected during the rotation of the sealing rubber 1 by one or both of the detection sensors 13 and 14, the drive motor 8 is stopped and the rim idler 6 is stopped. The rotation of the holding unit 2 is stopped by the rim idler 6 in contact with the
According to the output signals of the detection sensors 13 and 14, the brake 4 is brought into contact with the outer periphery of the upper end portion of the holding portion 2 to apply braking, thereby preventing overrun and the like.

Next, after the drive motor 8 is moved to the right in the direction of the arrow D again, the turntable 5 is rotated by 45 degrees in the direction of the arrow A by the rotation of the rotary shaft 10, and the position is first set by the positioning section. The held holding unit 2 is transferred to a position as seen in the direction of arrows EE in FIG. FIG. 5 shows the state.

First, the rotation of the turntable 5 is stopped,
By releasing the brake 4 from the outer periphery of the upper end of the holding part 2, the holding part 2 is made freely rotatable.

Subsequently, the positioning body 15 moves downward in the direction of the arrow F, is inserted into the holding section 2, and approaches the sealing rubber 1 held at the lower end in the hole of the holding section 2. Then, the holding unit 2 is rotated so that the insertion hole 11 of the sealing rubber 1 follows the spherical tip projection of the positioning pin 16, and the sealing rubber 1 is corrected to a predetermined position set by the positioning pin 16, and the final position is adjusted. The positioning is performed.

Then, the brake 4 is again brought into contact with the outer periphery of the upper end portion of the holding section 2 to apply braking and fix and hold the holding section 2. By repeating the above operation, the positioning of each sealing rubber 1 to the designated position is continuously performed.

It is necessary that the set positions of the two detection sensors 13 and 14 coincide with the set positions where the positioning pins 16 are smoothly inserted. As shown in FIGS. By manipulating the X-direction knob 20 attached to the XY stage 19, the XY stage 19
The XY stage 19 is moved and adjusted by moving the XY stage 19 in the direction of arrow J by operating the Y-direction knob 21, and the rotation of the sensor bracket 17 is adjusted by rotating the sensor bracket 17 in the direction of arrow H. And the position of the two detection sensors 13 and 14 is set.

Instead of the drive motor 8 and the rim idler 6, a combination of a drive motor and a gear made of a tooth-shaped metal or resin material sandwiching the holder 2, or a combination of the drive motor and a timing belt made of an elastic body is used. It may be.

[0031]

As described above, the sealing rubber positioning device for an aluminum electrolytic capacitor according to the present invention uses a mechanism for detecting an insertion hole by means of two detection sensors and for vertically moving a positioning pin for positioning the sealing rubber. There is an effect that the sealing rubber can be easily positioned with high accuracy without the influence of rubber burrs.

[Brief description of the drawings]

FIG. 1 is a plan view of a main part showing a configuration of a sealing rubber positioning device for an aluminum electrolytic capacitor according to an embodiment of the present invention.

FIG. 2 is a partial cross-sectional view taken along the line CC of FIG.

FIG. 3 is a partial sectional view taken along the line GG of FIG. 1;

FIG. 4 is a bottom view of FIG. 3;

FIG. 5 is a partial sectional view taken along the line EE of FIG. 1;

FIG. 6A is a plan view of the sealing rubber, and FIG.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Seal rubber 2 Holding part 3 Bearing 4 Brake 5 Turntable 6 Rim idler 8 Drive motor 9 Support shaft 10 Rotary shaft 11 Insertion hole 12 Burr 13 Detection sensor 14 Detection sensor 15 Positioning body 16 Positioning pin 17 Sensor bracket 18 Sensor bracket 19 XY Stage 20 X direction knob 21 Y direction knob

 ──────────────────────────────────────────────────続 き Continued on the front page (72) Inventor Shikuni Iida 1006 Kadoma, Kadoma City, Osaka Prefecture Matsushita Electric Industrial Co., Ltd.

Claims (3)

[Claims] 1. A transport section comprising a turntable having a holding section for holding a sealing rubber at a lower end in a hole rotatably arranged at a predetermined pitch, and a detection sensor for detecting a position of an insertion hole for a lead wire of the sealing rubber. An aluminum electrolytic device comprising: a positioning portion comprising a rotation driving mechanism for the holding portion and a brake mechanism for braking the rotation of the holding portion by an output signal of the detection sensor; and a positioning pin for inserting the insertion hole to set a sealing rubber position. Sealing rubber positioning device for capacitors. 2. A detection sensor for detecting a position of an insertion hole of a lead wire attached to a mechanism for adjusting rotation and X and Y directions.
2. The sealing rubber positioning device for an aluminum electrolytic capacitor according to claim 1, wherein the sealing rubber positioning device comprises: 3. The sealing rubber positioning device for an aluminum electrolytic capacitor according to claim 1, wherein the rotary drive mechanism comprises a drive motor and a rim idler.