JPH04152510A - Automatic winder for electrolytic capacitor - Google Patents

Abstract

PURPOSE:To obtain a device capable of winding up at high speed employing a spirally lap-wound separator tape by constituting this device of two specific separator tape means, a positive foil tape supply means, a negative foil tape supply means, a tape insertion rollers, a winding means, and an automatic control means. CONSTITUTION:This winder is constituted of the following: two separator tape supply means consisting of a hook shaft 11 for a spirally lap-wound separator tape material 10, a truss mechanism that reciprocates the hook shaft 11 to fix a winding position of the separator tape in a constant line according as winding proceeds, and a guide roller and tension roller 12; a positive foil tape supply means consisting of a hook shaft 21 for a positive foil tape 20, a guide roller and tension roller 22, tabbing instrument 23, and a cutting instrument 24; a similar negative foil tape supply means; a winding means consisting of a tape insertion roller 30, three core shafts 51-53, a control mechanism, and a separator cutting instrument 54; and an automatic control means that automatically controls actions of the respective means by interlinking them.

Description

DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to an automatic winding device for electrolytic capacitor elements. In particular, the present invention relates to an automatic winding device for small and medium-sized aluminum foil electrolytic capacitor elements. Specifically, the present invention relates to an automatic winding device for a small aluminum foil electrolytic capacitor element dedicated to one terminal.

(Prior Art) Conventionally, in this type of automatic winding device for electrolytic capacitor elements, tab attachment and winding were performed in separate processes, which was a bottleneck in high-speed production and high precision.

(Problems to be Solved by the Invention) The purpose of the present invention is to provide separator tape supply materials that
In order to reduce the need for material replacement and improve winding work efficiency,
To provide an automatic winding device for an electrolytic capacitor element, which employs a separator tape material wound in layers in a spiral shape, solves various problems caused by the material, and is capable of winding at high speed.

(Means for solving the problem) As a result of intensive research to achieve this purpose, the inventor of the present application has
We came up with the idea of integrating the two processes of tab attaching and winding. (2) a hanging scroll for the anode foil tape; a drum pulse mechanism for reciprocating the hanging scroll according to the progress of the separator tape; a guide roller and a tension roller for feeding the tape, a tabbing device for tabbing the tape so that the tabbed points are within the same cycle when the tape is wound, and a tabbing device for tabbing the tape at an appropriate length. (3) A hanging scroll for the cathode foil tape, a guide roller and a tension roller for feeding the tape, and a tabbed portion when the tape is wound. (4) Separator tape, cathode foil; (4) a separator tape, a cathode foil; (5) a tape insertion roller that sequentially laminates and winds the tape, separator tape, and anode foil tape to form a laminated tape; The three winding shafts are positioned and rotated 1200 degrees in a certain direction, winding the laminated tape at the first position, stopping at the second position, and unwinding at the third position, and winding at the first position. (6) a winding means comprising a control mechanism that performs S-shaped control on the rotational speed of the core shaft; and a separator cutting device that cuts the separator tape between a first position and a second position of the core shaft; Automatic control means that automatically controls the operation of the separator tape supply means, the operation of the anode foil tape supply means, the operation of the cathode foil tape supply means, the opening/closing of the tape insertion roller, and the operation of the winding means. We have now invented an automatic winding device for electrolytic capacitor elements according to the present invention.

Next, the automatic winding device for electrolytic capacitor elements of the present invention (
The automatic winding device (hereinafter referred to as "automatic winding device") will be specifically explained with reference to FIGS. 1, 2, and 3.

As described above, the automatic winding device of the present invention is composed of two separator tape supply means, an anode foil tape supply means, a cathode foil tape supply means, a tape insertion roller, a winding means, and an automatic control means. .

The separator tape supply means is means for feeding and supplying the separator tape from the hanging shaft 11 of the separator tape material 10 to the tape insertion roller 30 via the guide roller and the tension roller 12.

Since the separator tape material 10 is wound in a spiral manner, as shown in FIG. 3, the direction in which the tape is unwound is a-*l)-e C-*l)-e
If the tape moves to point a and the direction of point a or point C is directly connected to the winding position line, the tape material will be distorted or twisted, and the winding accuracy will deteriorate. Therefore, in the present invention, by combining this with a traverse mechanism and reciprocating the hanging shaft 11 in the direction of the arrow as the winding progresses, the unwinding direction of the tape is maintained in the direction b. Always match the winding position line L.

The anode foil tape supply means supplies the anode foil tape 20 to the hanging scroll 21.
This means feeds and supplies the tape from the tape through the guide roller and tension roller 22 to the tape insertion roller 30. Further, the cathode foil tape supply means is a means for feeding and supplying the cathode foil tape 40 from the hanging scroll 41 to the tape insertion roller 30 via the guide roller and the tension roller 42.

The feeding means for the anode foil tape and the cathode foil tape are provided with tabbing devices 23 and 43, respectively, for tabbing so that the tabbed tabs are in the same cycle when the tape is wound. Further, the supply means for the anode foil tape and the cathode foil tape include cutting instruments 24 and 4, respectively.
4 is provided, and after a predetermined length is fed into the tape insertion roller 30, the tape is cut.

In the feeding means for the anode foil tape and the cathode foil tape, the respective guide rollers 22 and 42 in a position before reaching the cutting means 24 and 44 close and rotate;
The anode foil tape and the cathode foil tape are sent to a tape insertion roller 30 which is rotating and transporting the separator tape.

The tape insertion roller 30 consists of two rollers,
When this is closed, the separator tape, cathode foil tape, separator tape, and anode foil tape are laminated and wound in this order, and the laminated tapes are sent to the winding means.

The winding means includes a rotor 50 as shown in detail in FIG.
The first
It consists of three winding shafts that wind the laminated tape at a position 51, stop the winding at a second position 52, and unwind the laminated tape at a third position 53. A separator cutting instrument 54 that cuts the separator tape between positions 52 and a control mechanism that performs S-shaped control on the rotational speed of the core shaft at the first position 51 are provided.

The laminated tape sent from the tape insertion roller 30 is wound around the core shaft at the first position 51.

In the properly wound stage, the cutting instruments 24 and 44
is activated, and the anode foil tape and the cathode foil tape are cut.

The core axis of the laminated tape wound at the first position 51 is 120°
Turn and move to the second position 52. At this stage,
Separator tape cutting instrument 54 is activated to cut the separator. The cut end of the separator is held by a roller 55 attached to a cutting tool 54.

At the second position 52, the laminated tape wound around the core shaft (hereinafter referred to as a laminated tape roll) is attached to the sealing tape 56.
The winding is stopped.

It further turns by 120° and moves to the third position 53, where the laminated tape is pulled out and dropped onto the chute 57.

As described above, the roller 5 at the first position 51 of the core shaft
Winding the separator tape held at 5 and the wound anode foil tape and cathode foil tape to form a laminated tape roll, and wrapping the previous laminated tape roll with seal tape at the second position 52. Stopping and unwinding of the previous step at the third position 53 are performed simultaneously, and the operations are performed in a continuous cycle.

The winding means of the apparatus of the present invention is provided with a control mechanism that performs S-shaped control on the rotational speed of the winding shaft at the first position 51. When winding is performed by rotating the core shaft at high speed in the conventional method, the rotation changes drastically at the acceleration point and the deceleration point, causing winding disturbances at those points. The control mechanism is for preventing such winding disorder.

The automatic control means actuate the separator tape supply means;
The operation of the anode foil tape supply means and the cathode foil tape supply means, the opening and closing of the tape insertion roller, and the operation of the winding means are automatically controlled in coordination.

(Effects) The automatic winding device for electrolytic capacitor elements of the present invention, configured as described above, can integrate the tab attachment and winding processes, and can handle small aluminum N electrolytic capacitor elements dedicated to one terminal. This made mass production possible at high speed and with high precision.

[Brief explanation of the drawing]

FIG. 1 is a schematic explanatory diagram of an automatic winding device for electrolytic capacitor elements according to the present invention. FIG. 2 is a schematic explanatory diagram of the winding means and its surrounding mechanisms in the automatic winding device of the present invention. FIG. 3 is a schematic explanatory diagram of a traverse mechanism for feeding out separator tape material. In the figure: lO Separator Tape Material I Separator Tape Material Hanging Guide Roller and Tensidin Roller Anode Foil Tape Anode Foil Tape Hanging Guide Roller and Tension Roller Tabbing Instrument Cutting Instrument Tape Insertion Roller Cathode Foil Tape Cathode Foil Tape Hanging Guide Roller and Tension Roller Tab attaching device Cutting device Winder roller Winding shaft in the first position Winding shaft in the second position Winding shaft in the third position Separator Cutting device Separator Seal tape for winding retention roller attached to the cutting device 7 shoes ter separator tape

Claims (1)

[Scope of Claims] An automatic winding device for an electrolytic capacitor element that forms a wound product by laminating a separator tape, an anode foil tape, a separator tape, and a cathode foil tape, comprising: (1) a separator tape wound spirally in layers; From a material hanging scroll, a traverse mechanism for reciprocating the hanging scroll as the winding progresses in order to fix the winding position of the separator tape on a fixed line, and a guide roller and tension roller for feeding the separator tape. (2) a hanging scroll for the anode foil tape, a guide roller and a tension roller for feeding the tape, so that when the tape is wound, the tabbed points are in the same cycle; (3) a hanging scroll for the cathode foil tape; and (3) a hanging scroll for the cathode foil tape, for feeding the tape. guide rollers and tension rollers,
an anode comprising a tabbing device for tabbing the tape so that the tabbed points are within the same cycle when the tape is wound; and a cutting device for cutting the tape at the appropriate length; foil tape supply means, (4) a tape insertion roller that laminates separator tape, cathode foil tape, separator tape, and anode foil tape in this order to form a rolled-up laminated tape; (5) a circular tape on the same circumference of the rotor; They are located at intervals of 120° to each other with respect to the center, rotate 120° in a fixed direction, wind the laminated tape at the first position, stop the tape at the second position, and unwind it at the third position. three winding shafts, a control mechanism that performs S-shaped control on the rotational speed of the winding shafts at a first position, and a separator that cuts the separator tape between the first and second positions of the winding shafts. (6) operation of the separator tape supply means, operation of the anode foil tape supply means and operation of the cathode foil tape supply means, opening and closing of the tape insertion roller and operation of the winding means; An automatic winding device for electrolytic capacitor elements, which is composed of automatic control means that cooperate and automatically control.