JPH0630331B2 - High voltage capacitor manufacturing equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a pair of dielectrics in which a plurality of electrodes are arranged at a predetermined interval, and an electrode on one dielectric and a dielectric on the other The present invention relates to an apparatus for manufacturing a high-voltage capacitor, which is formed by overlapping and winding such that a part of electrodes on the body face each other.

(Prior Art) As a method of manufacturing the above-described high voltage capacitor, the present applicant first made a pair of electrodes intermittently contact the respective metal surfaces of a pair of metalized dielectrics to be transferred, The metal between the pair of electrodes is eliminated by energizing the metal surface through the pair of electrodes, and the pair of dielectrics are superposed and wound while forming electrodes on the dielectric of the pair of metallized dielectrics at predetermined intervals. The method of rotating, and as a manufacturing apparatus thereof, a pair of electrodes that are paired along each of the paths through which a pair of metallized dielectrics are transferred and that can be brought into contact with and separated from the metal surface of the metallized dielectrics, Proposals were made in which a power source was connected between the pair of electrodes.

According to the proposed method and device, the production efficiency of the high voltage capacitor can be significantly improved as compared with the conventional one.

(Problems to be Solved by the Invention) According to the above-described proposed method and apparatus, when a pair of electrodes are brought into contact with the metal surface of the metallized dielectric and the metal surface is energized to eliminate the metal, the metallized dielectric is It is necessary to reduce the body's transport speed. Therefore, there is a problem that the manufacturing time becomes longer as the number of electrodes increases.

An object of the present invention is to provide a high voltage capacitor manufacturing apparatus capable of solving such a problem and significantly improving the production efficiency.

(Means for Solving the Problems) In order to achieve the above-mentioned object, the invention of the present application is such that a pair of dielectrics in which a plurality of electrodes are arranged at a predetermined interval are provided on one dielectric. And a part of the electrode on the other dielectric are overlapped and wound so as to face each other, and at a predetermined interval along each transfer path of the pair of metallized dielectrics. A plurality of electrode length setting guide rotor sets that are arranged apart from each other, and between two adjacent guide rotor sets and at the same time on the metal surface of the metallized dielectric disposed outside the guide rotor set group. The guide rotor set comprises two pairs of contactable metal vanishing electrodes, and the guide rotor set sets two fixed guide rotors and a length of the metallized dielectric transferred between the two guide rotors. And a movable guide rotor for moving.

(Operation) A plurality of pairs of electrodes are simultaneously brought into contact with the respective metal surfaces of the pair of metallized dielectrics to be transferred, and the metal surfaces are energized via the pair of electrodes to remove the metal between the pair of electrodes. Since the plurality of electrodes are formed on the respective dielectrics of the pair of metallized dielectrics at predetermined intervals, the transfer of the metallized dielectrics is reduced only once, and the other speeds are increased. be able to.

The length of each of the plurality of electrodes arranged at a predetermined interval is set to a predetermined value by moving the movable guide rotor of the electrode length setting guide rotor set and setting the movable rotor to a predetermined position. Can be set to.

(Embodiment) An embodiment of the present invention will be described below with reference to the drawings.

FIG. 2 shows a developed side view of a laminated body of a dielectric and an electrode of a high voltage capacitor manufactured according to the present invention.

In the figure, 1 (1 ₁ , 1 ₂ ) is a dielectric of a paper or plastic film in which a plurality of electrodes 2 separated by a predetermined interval are adhered by vapor deposition of aluminum or the like.
On the positions of the start end and the end of each one ₁₁ of the above, a metal foil electrode 2A to which a lead wire 3 is fixed is placed at a predetermined distance from the electrode 2. Dielectric 1 ₁ and 1 ₂ is the dielectric 1 ₁ of electrode 2A and the electrode 2
Winding but superposed over the two dielectric 4,4 such that a portion between the electrode 2 of the dielectric 1 ₂ are opposed, further superposed dielectric 4 respectively above and below the laminate, the laminate By turning, a high voltage capacitor is created.

FIG. 1 shows an apparatus for manufacturing the above-mentioned high voltage capacitor.

In FIG. 1, reference numerals 5 ₁ 5 ₂ 5 ₃ 5 ₄ are rolls of the dielectric material 4, 6 ₁ 6 ₂ are rolls of the metallized dielectric material 7 which is the material of the dielectric material 1 ₁ 1 ₂ , and 8 is Roll of metal foil 9 made of aluminum or the like to be the electrode 2A, roll of dielectric 4
₁ 5 ₂ 5 ₃ 5 ₄ , a roll 6 ₁ 6 ₂ of metallized dielectric 7 and a roll 8 of metal foil 9 connect the dielectric 4, metallized dielectric 7 and metal foil 9 via a guide rotor 10. At the time of winding, they are arranged so that they can be stacked in the stacking order of the laminated body shown in FIG. _2, and between the roll 62 of the metallized dielectric 7 and the guide rotor 10 of the metallized dielectric 7. Is provided with a guide rotor 10A which is movable left and right in order to adjust the relative position with another metallized dielectric 7 when superposed.
A plurality of, for example, three electrode length setting guide rotor sets 11 ₁ , 11 ₂ , 11 ₃ are disposed between the roll 6 and the roll 6 _2.
2 and the guide rotor set 11 ₁ , between the guide rotor sets 11 ₁ and 11 ₂
, And between each of 11 ₂ and 11 ₃ , and the guide rotor 11 ₃
A pair of metal erasing electrodes 12 ₁ , 12 ₂ , 12 ₃ , 12 ₄ (4 pairs in total) are arranged between the guide rotor 10A and the guide rotor 10A. Also, the roll ₆₁ and the winding shaft of the metallized dielectric 7
For example, two electrode length setting guide rotor sets 14 ₁ and 14 ₂ are provided between the guide rotor 10 and the guide rotor 10 of the dielectric 4 and the guide rotor set 14 ₁ . A pair of metal erasing electrodes 15 ₁ , 15 ₂ and 15 ₃ (total 3 pairs) are arranged between the guide rotor set 14 ₁ and 14 ₂ and between the guide rotor set 14 ₂ and the roll 6 ₁ , respectively. It is set up.

The electrode length setting guide rotor set 11 ₁ , 11 ₂ , 11 ₃ , 14
₁ and 14 ₂ are two fixed guide rotors 16 ₁ and 16 pivotally supported by a fixed shaft, and a length of the metallized dielectric 7 that is transferred between the two fixed guide rotors 16 ₁ and 16. And a pair of metal erasing electrodes 12 ₁ , 12 ₂ , 12 ₃ , 12 ₄ , 15 ₁ , 15 ₂ , 15 _{3 each} having a predetermined interval (for example, 5 cm) and is provided so as to be able to come into contact with and separate from the metal surface of the metallized dielectric 7. The electrode is a delivery bobbin 18, a take-up bobbin 19, and a metal foil 20 wound from the delivery bobbin 18 to the take-up bobbin 19. And a guide rotor 21 that can move the metal foil 20 downward or upward in the drawing by a driving member (not shown).

The electrode 12 ₄ of the drive member is first operated by the output of the detector 22 ₁ detects a transport length of the metallized dielectric 7, metalized dielectric metal foil 20 of the pair lowers the guide rotor 21 After contacting the metal surface of the body 7 for a predetermined time, the electrodes 12 ₃ , 12
The drive members of ₂ , 12 ₁ are activated by the output of the detector 22 ₁ ,
The guide rotors 21 are simultaneously lowered to bring each pair of metal foils 20 into contact with the metal surface of the metallized dielectric 7, and a predetermined time after that, the driving members of the electrodes 12 ₄ , 12 ₃ and 12 ₂ are the detectors 22. operated by _{a single} output, the metallic foil 20 of each pair to raise the respective guide rotor 21 is detached from the metal surface of the metallized dielectric 7, then the predetermined time after the electrode 12 ₁ of the driving member detectors 22 _It operates by the output of ₁ and raises the guide rotor 21 to separate the pair of metal foils 20 from the metal surface of the metallized dielectric 7.

The electrode 15 ₁ of the drive member, the detector 22 is first operated by the _second output, the metal foil of the pair by raising the guide rotor 21 20
Are contacted with the metal surface of the metallized dielectric 7, and after a predetermined time, the driving members of the electrodes 15 ₂ and 15 ₃ are actuated by the output of the detector 22 ₂ to raise the guide rotor 21 to lift each pair of metal. Foil
20 is brought into contact with the metal surface of the metallized dielectric 7, and after a predetermined time, the driving members of the electrodes 15 ₁ and 15 ₂ are actuated by the output of the detector 22 ₂ to lower the guide rotor 21 to move each pair of pairs. the metal foil 20 is detached from the metal surface of the metallized dielectric 7, then the driving member of the electrode 15 ₃ after a predetermined time is operated by the output of the detector 22 _2, metal foil pair lowers the guide rotor 21 20
Was separated from the metal surface of the metallized dielectric 7.

A driving member for the electrodes 15 ₁ , 15 ₂ , 15 ₃ and the electrodes 12 ₁ , 12 ₂ ,
The actuation of the drive members 12 ₃ and 12 ₄ is performed at the same time.

If a direct current of 35 to 50 V (optimally about 40 V) is applied between the metal foils 20 and 20 of the pair of electrodes 12 _{1 to} 12 ₄ and 15 ₁ to 15 ₃ by a power source (not shown), the metallized dielectric 7 is generated by the energizing current. Of the metal disappears, and an insulation interval is formed on the metallized dielectric 7 depending on the energization time.

A known detector is used as the detector 22, and, for example, a disc having a hole in its peripheral edge that rotates in response to the traveling of the metallized dielectric 7 and the metal foil 9, and a light source that faces the disc. And a photoreceiver and a preset counter for counting the intermittent pulses of light from the photoreceiver.

In the figure, 23 is a cutter, and 24 is a welder for the lead wire 3.

Next, a method of manufacturing a high voltage capacitor using the apparatus of the above embodiment will be described.

As shown in the first drawing, the dielectric 4, the metallized dielectric 7 and the metal foil 9 are passed through the guide rotors 10 and 10A to rolls 5 ₁ to 5 ₄ ,
6 _1, 6 _2, and fixed to the winding shaft 13 is drawn out from the 8, to transfer the dielectric 4, the metallized dielectric 7 and the metal foil 9 on the take-up shaft 13 direction.

First, 1 on each metal surface of the two metallized dielectrics 7,
The metal of the metal surface to a predetermined erasure length by energizing predetermined by contacting the pair of electrodes 12 ₄ and 15 _1, respectively time. At a timing capable of placing a metal foil as the metal disappearance dielectric 1 ₁ electrode 2A on during this disappearance process, the metal foil 9 attached lead wire (not shown) in advance in the fuser 24 The cutter 23 cuts to a predetermined length. Then, while the two metallized dielectrics 7, 7 are transferred together with the dielectric 4 by the guide rotor 10, the electrodes 12 ₁ , 12 ₂ , 12 ₃ and the electrodes 15 ₂ , 15 ₃ are simultaneously metallized dielectrics 7, 7 respectively. It energized by contacting a plurality of electrodes 2 metallized dielectric 7,7 predetermined length of to create a dielectric 1 _1, 1 ₂ arranged at a predetermined interval. Thereafter, the metallized dielectric 7,7 wound superposed dielectric 4 in phase relationship part of the electrode is opposed, at the end, just like the starting end, on the dielectric 1 ₁ the metal is lost An electrode 2A formed by cutting the metal foil 9 with the lead wire fixed thereto is placed. Thus, the winding body of the high-voltage capacitor is obtained on the winding shaft 13.

When changing the length of the electrode 2, the guide rotor 17 of the electrode length setting guide rotor set 11 ₁ , 11 ₂ , 11 ₃ , 14 ₁ , 14 ₂ is located near or far from the guide rotor 16. Set to.

For example, in the case of a high-voltage capacitor with a capacitance of 1500 PF and a total thickness of the dielectric of 24 μm and the number of series electrodes is 10, the metal disappearance time of the metallized dielectric by the previously proposed method requires about 20 seconds. It took about 5 seconds according to the method and apparatus of the present invention.

Although the above-mentioned embodiment is applied to a high-voltage capacitor having seven electrodes in series, the metal erasing electrodes 12 ₁ to ₁ 1
2 ₄ , 15 ₁ to 15 ₃ and guide rotor set for electrode length setting 11 ₁
It can also be applied to high voltage capacitors having different numbers of electrodes in series by changing the number of ~ 11 ₃ , 14 ₁ and 14 ₂ .

(Effects of the Invention) As described above, according to the present invention, a high-voltage capacitor can be manufactured in a shorter time than the previously proposed apparatus for manufacturing a high-voltage capacitor, which has the effect of improving production efficiency. This has the effect that a high-voltage capacitor having electrodes of any length can be obtained with a simple configuration.

[Brief description of drawings]

FIG. 1 is a schematic diagram of an embodiment of the present invention, and FIG. 2 is a developed side view of a laminated body of a dielectric and an electrode of a high voltage capacitor manufactured by the manufacturing apparatus. 1 ₁ , 1 ₂ ...... Dielectric 2, 2A ...... Electrode 4 ...... Dielectric 7 …… Metallized dielectric 9 …… Metal foil 11 ₁ , 11 ₂ , 11 ₃ , 14 ₁ , 14 ₂ …… Electrode length Guide rotor for setting 12 ₁ , 12 ₂ , 12 ₃ , 12 ₄ , 15 ₁ , 15 ₂ , 15 ₃ ...... Metal erasing electrode

Claims (1)

[Claims] 1. A pair of dielectrics in which a plurality of electrodes are arranged at a predetermined interval are stacked so that an electrode on one dielectric and a part of the electrode on the other dielectric face each other. In a manufacturing apparatus for a high voltage capacitor which is wound together, a plurality of electrode length setting guide rotor sets arranged at predetermined intervals along respective transfer paths of a pair of metallized dielectrics and , A plurality of pairs of metal vanishing electrodes arranged between two adjacent guide rotor sets and outside the guide rotor set group and capable of simultaneously contacting the metal surface of the metallized dielectric, said guide rotor set For high pressure, characterized in that it consists of two fixed guide rotors and a movable guide rotor for setting the length of the metallized dielectric which is transported between the two guide rotors. Capacitor manufacturing equipment.