JPH0247098B2 - TORANSUYOBOBINTOHENOTANSHIUEKOMISOCHI - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an automatic implantation device for fixing pin terminals to a bobbin for a transformer.

[Conventional technology]

To attach a pin terminal to a bobbin for a small transformer, holes for pin terminals are formed in the bobbin when the bobbin is molded using synthetic resin, and the pin terminals are press-fitted into these holes. .

[Problem that the invention seeks to solve]

Conventionally, the above-mentioned pin terminals were implanted by manually driving them one by one, which resulted in extremely low work efficiency and high work costs. The problem is that it is difficult to arrange them.

This invention was made in order to solve the above-mentioned problems, and it is possible to automatically implant pin terminals into the bobbin by simply supplying the bobbin, and it is possible to make the implantation height of the terminals uniform. The purpose is to provide a terminal implantation device that can be used.

[Means for solving problems]

In order to solve the above problems, this invention
a bobbin support base that is movable up and down and supports a bobbin having a terminal implantation hole with the implantation hole facing upward;
A plate is arranged horizontally on the upper part of the support base, and is provided with a terminal holding through hole that is coaxial with the bobbin insertion hole supported at a fixed position on the support base, and a plate that can freely move back and forth is installed on the lower part of the plate. a bobbin pushing member that moves back and forth to push out the bobbin after the support base is lowered; a movable body that is arranged so as to be able to move forward and backward on the plate; The press member is arranged such that the terminal is held in the through hole in the lowered position and is pushed into the insertion hole of the bobbin, and the feeder is arranged above the plate and arranges the terminal in an upright position. , the lower end of the terminal guiding tube connected to the feeder is held by the movable body so as to face directly above the terminal holding through hole when the movable body is in the forward position.

[Effect]

Attach the bobbin to the front surface of the support base with the terminal insertion hole facing upward, start the feeder, align the pin terminals in series in the guide tube, and support the lower end of the lowest terminal on the plate.

When the support base rises and the movable body advances toward the through hole with the implant hole overlapping the bottom surface of the plate, the lowest terminal falls into the through hole, the lower end rests on the bobbin's implant hole, and the movable body retreats. The rear pressure member descends and press-fits and fixes the terminal held in the through hole into the implant hole.

When the pressure member rises, the bobbin descends together with the support base, the terminal fitted in the through hole is pulled out from the plate, the pushing member moves forward and pushes out the bobbin on the front of the support base, and the bobbin is ejected forward. do.

〔Example〕

Embodiments of the present invention will be described below with reference to the accompanying drawings.

First, as shown in FIGS. 6 and 7, a bobbin for a small transformer is constructed by combining a large-diameter rectangular cylinder 1a with a small-diameter rectangular cylinder 1b. 1a is formed by providing flanges on the outer circumferential surface of both ends, and providing a plurality of terminal implantation parts 4 having implantation holes 3 for the terminals 2 in the upper part of one end.

The small-diameter rectangular cylinder 1b has a flange that fits into the large-diameter rectangular cylinder 1a on the outer periphery of one end, and a flange with a larger diameter than this on the outer periphery of the other end. A plurality of terminal implantation portions 4 having implantation holes 3 for the terminals 2 are provided on the outer surface.

Next, the implantation device for implanting the pin terminals 2 into the double-sided cylindrical bodies 1a and 1b of the bobbin is shown in FIGS. 1 to 7.
As shown in the figure, a plate-shaped bobbin support 7 is arranged on the front of the front plate 6 of the machine base 5 so that it can be moved up and down by a cylinder 8. While supporting the lower surface of the terminal implantation part 4, the square tube body 1a,
1b, and insert the double square cylinder 1
A and b are arranged in parallel and supported in a fixed position.

A plate 13 is arranged horizontally at the top end of the horizontal table 12 provided on the machine stand 1, and the part of the plate 13 that protrudes above the support stand 7 is provided with the support stand 7.
Terminal holding through-holes 14 are drilled directly above the respective implant holes 3 of the bobbin rectangular cylinders 1a and 1b supported in fixed positions in the bobbin rectangular cylinders 1a and 1b, which are arranged coaxially with the respective implant holes 3.

This through-hole 14 holds the inserted terminal 2 vertically, and the plate 13 holds the terminal 2 vertically so that the upper end of the terminal 2 whose lower end abuts on the implantation hole 3 protrudes by a predetermined length, as shown in FIG. The thickness is set according to the size of the terminal 2, and the length of the terminal 2 protruding above the plate 13 becomes the implantation amount with respect to the implantation hole 3.

On the plate 13, a movable body 15 is connected to a cylinder 16 at a rear position of the through holes 14 arranged in a row.
is arranged to move forward and backward in the horizontal direction perpendicular to the support base 7, and furthermore, a pressure member 17 is placed directly above the group of through holes 14, and a terminal feeder 1 is placed above this pressure member.
8 is provided.

The pressure member 17 is a cylinder 1 fixed to the machine base 5.
9 is fixed to the piston rod 20, and when lowered, the terminal 2 held in the through hole 14 is pushed down and pushed into the implant hole 3 by the length of the terminal 2 protruding onto the plate 13.

The feeder 18 has a support 21 that stands up on the machine base 5.
A vibrator 22 is attached to the upper end, and a cylindrical portion 24 having a depth at which the terminal 2 stands is connected to the bottom surface of the container 23 to which vibration is applied by the vibrator 22, as shown in FIG. It is constructed by connecting the terminal guide tubes 25 in the same number as the through holes 14 to the bottom surface of the shaped part 24, and the terminals 2 randomly thrown into the container 23 fall into the cylindrical part 24 due to vibration and stand up. This cylindrical part 24
From there, they fall into each guide tube 25 one by one.

The lower end of each guide tube 25 is connected to the movable body 15, and when the movable body 15 is in the forward position as shown in FIG.
It is disposed so as to face coaxially directly above the corresponding through hole 14, and when the movable body 15 moves to the forward position,
When the lowest terminal 12 falls into the through hole 14 as shown in FIG. 8 and the movable body 15 retreats, the next terminal falls onto the plate 13.

In order to ensure that the terminal 2 falls into the through hole 14 as the movable body 15 moves forward, a groove 26 for guiding the lower end of the end 2 is formed on the upper surface of the plate 13.
It is set up so that it communicates with 4.

In addition, a bobbin push-out member 28 that is moved forward and backward by a cylinder 27 is arranged at the upper position of the support stand 7 that has been lowered behind the intermediate portion of the front plate 7, and when in the retracted position, it interferes with the elevation of the support stand 7. In addition, when moving forward, the rectangular cylinders 1a and 1b on the support stand 7 are pushed forward to take out the bobbin after terminals are implanted on the support stand 7. 29 and distributed on both sides.

The terminal implantation device of the present invention has the above-mentioned configuration, and the container 2 of the feeder 18 into which the terminal 2 is placed.
3 is vibrated by an exciter 22, and the bobbin rectangular cylinders 1a and 1b are attached to the front surface of the support base 7 in a lowered state as shown in FIG. Both square cylinders 1a, 1b
The front and rear, left and right, upper and lower positions of the support base 7 are accurately positioned with respect to the front surface of the support base 7.

At this time, the movable body 15 is retracted to the retracted position as shown in FIG. ing.

Next, the cylinder 8 expands and the support base 7 rises, and the upper surfaces of the terminal implantation portions 4 of the rectangular cylinders 1a and 1b come into pressure contact with the lower surface of the plate 13.

After this, the cylinder 16 is operated to extend, and the movable body 15
As the guide tubes 25 move forward, as shown in FIG. After this, the movable body 15 returns to the retracted position and the next terminal is lowered and rests on the plate 13.

When the movable body 15 retreats, the cylinder 19 is actuated to lower the pressure member 17, pushing down the terminal 2 held in the through hole 14 by the length of the terminal 2 projected onto the plate 13, as shown in FIG. The lower end of this terminal 2 is press-fitted into the implantation hole 3 and fixed.

When the pressure member 17 returns to the upward position, the support base 7 descends as shown in FIG.
The terminals 2 of a and 1b are pulled out from the through hole 14, and then the pushing member 28 is moved forward by the extension of the cylinder 27, and as shown by the dashed line in FIG.
By forcibly pushing the upper part of 1b, the bobbin with terminals implanted therein is dropped and discharged from the support stand 7 toward the chute 29 directly below.

When the removal of the bobbin is completed, the pushing member 28
The plant will retreat and prepare for the next planting.

In addition, although the example shows the case where terminals are implanted simultaneously in a pair of rectangular cylinders, for each rectangular cylinder,
The terminals may be implanted individually, and the terminal implantation portion in which the terminals are to be implanted can be freely selected.

〔effect〕

As described above, according to the present invention, with the above-described configuration, the pin terminal can be automatically implanted into the bobbin by simply supplying the bobbin to the support base, and the pin terminal implantation work is simplified. Efficiency is greatly improved and work costs can be reduced.

In addition, since the terminal is pushed in with a pressure member and implanted,
It becomes possible to equalize the implantation length of the terminals.

[Brief explanation of drawings]

FIG. 1 is a front sectional side view of the implantation device according to the present invention, FIG. 2 is a side view of the same, FIG. 3 is an enlarged vertical view of the main parts of the same, and FIG. 4 is an enlarged plan view of the plate portion of the same. , FIG. 5 is an enlarged sectional view of the feeder portion, and FIGS. 6 to 10 are process charts showing the order of terminal planting. 1 is a bobbin, 2 is a pin terminal, 3 is a planting hole, 7 is a support stand, 7, 16, 19, 27 is a cylinder, 13
is a plate, 14 is a through hole, 15 is a movable body, 17
1 is a pressure member, 18 is a feeder, and 25 is a terminal guide tube.

Claims (1)

[Claims] 1. A bobbin support stand that can be moved up and down to support a bobbin with a terminal installation hole so that the installation hole faces upward, and a bobbin that is horizontally arranged on the top of this support stand and supported at a fixed position on the support stand. a plate provided with a terminal holding through hole that is coaxial with the implantation hole of the plate, and a bobbin pushing member that is arranged at the bottom of the plate so as to be movable back and forth and moves back and forth to push out the bobbin after the support base is lowered. , a movable body disposed so as to be movable forward and backward on the plate, and a movable body disposed so as to be movable up and down directly above the terminal holding through hole of the plate, and the terminal held in the through hole in the lowered position is placed in the bobbin. It consists of a pressure member that is pushed into the insertion hole, and a feeder that is placed above the plate and arranges the terminals in an upright position. A device for implanting terminals into transformer bobbins, etc. held on a movable body so as to face directly above.