JPH0554686B2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] This invention provides a structure in which a columnar or cylindrical element has at both ends,
This invention relates to a device for fitting a cap-shaped or ring-shaped terminal.

[Prior Art] For example, a cylindrical ceramic capacitor is made by fitting cap-shaped or ring-shaped terminals into both ends of a cylindrical element. In this type of electronic component, the length of the element is extremely small, only a few millimeters, so automatic fitting of the element and the terminal involves a difficult problem.

Conventionally, automatic fitting of the above-mentioned elements and terminals has been carried out using a device as shown in FIG. That is, the elements a, a, . . . are held in grooves 2, 2, .
Terminals b, b, . . . are supplied to both sides of the elements a, a, .

[Problem that the invention seeks to solve]

However, the conventional fitting device described above has the following problems. That is, cap-shaped terminals b, b...
For terminals with a bottom, such as
Since the center of gravity is relatively high, terminals b, b, etc. placed laterally are extremely unstable. Therefore, before the terminals b, b... are press-fitted by the press-fitting plungers 5, 6, the terminals b, b...
...easily falls over or tilts. In addition, terminals b, b...
are pushed into the press-fitting plungers 5, 6 in a restless state that has just been sent from the chute 3, 4. From these points, many troubles occur, such as the terminals b, b, etc. being fitted diagonally into the elements a, a, etc., or the positions of the terminals b, b, etc. being not aligned with each other, resulting in damage to the elements a, a,....

This invention was made in order to solve the above-mentioned problems in the conventional terminal fitting device.
It is an object of the present invention to provide a terminal fitting device in which elements b... are surely fitted into elements a, a... in the correct state.

[Means to solve the problem]

The structure of this invention will be described with reference to the reference numerals in FIGS. 1 to 9. Two horizontally rotating turntables 11 and 12 are arranged one above the other, and the circumferential direction of these turntables 11 and 12 is constant. At intervals of , the work storage sections 13, 13..., 14, 14...
is formed. These work storage parts 13, 1
A set of elements a, a above and below 3..., 14, 14...
... and terminals b, b... are stored vertically.

Work storage section 13 of the upper turntable 11,
Four types of workstations are arranged at locations where 13... pass through. That is, the same storage section 13,1
3. Terminal supply station 15 for supplying terminals b, b, . . . to terminals b, b, .
13... Elements a, a... and terminals b, b... housed in...
a press-fitting station 17 for press-fitting, and a transfer station 18.

On the other hand, four types of work stations are also arranged at locations through which the work storage sections 14, 14, . . . of the lower turntable 12 pass. That is, the transfer station 22, the terminal supply station 1 that supplies the terminals b, b... to the work storage sections 14, 14...
9. Element a stored in the same storage section 14, 14...
A press-fitting station 20 that press-fits a... and terminals b, b..., and press-fitted elements a, a... and terminals b, b...
This is a discharge station 21 that discharges the liquid to the outside of the turntable 12.

Further, a vertically rotating transfer wheel 26 is arranged between the transfer stationations 18 and 22 of the upper and lower turntables 11 and 12. Workpiece receiving sections 23, 23... accommodate elements a, a... and terminals b, b... at regular intervals on the circumferential surface of the transfer foil 26.
is provided. Then, in the transfer station 18, 22, the upper and lower work receiving sections 23,
23 are the upper and lower turntables 11 and 1, respectively.
The turntables 11 and 12 and the transfer wheel 26 are rotated synchronously so as to face the second workpiece storage sections 13 and 14.

[Effect]

The operation of this device is as follows: elements a, a... and terminals b, b...
To explain the order of conveyance, first, on the upper turntable 11, as shown in FIGS. 2 and 3,
Terminals b, b... and elements a, a are supplied from the terminal supply station 15 and the element supply station 16, respectively.
... is supplied to the workpiece storage sections 13, 13.... In these work storage parts 13, 13..., elements a, a
... and terminals b, b... are placed one above the other and stored vertically.

As the turntable 11 rotates, the elements a, a, . . . and the terminals b, b, .

The press-fitted elements a, a, . . . and terminals b, b, . . . are received by the work receiving portions 23, 23, . Subsequently, this transfer wheel 26 rotates, and the workpiece receiving parts 23, 23... are transferred to the lower turntable 1.
When reaching the second transfer station 22, the elements a, a, . . . and the terminals b, b, . . . are received in the work storage sections 14, 14, . At this time, the elements a, a, . . . are upside down compared to when they hit the turntable 11 above.

In the lower turntable 12, as shown in FIG. 7, the terminal supply station 19 supplies the other terminals b, b, . . . to the work storage sections 14, 14, . In the workpiece storage parts 14, 14..., elements a, a... into which one terminals b, b... are fitted, and the other terminals b, b... are vertically housed one above the other.

As the turntable 12 rotates, the elements a, a, . . . and the terminals b, b, .

The elements a, a, . . . with the terminals b, b, .

In this way, in both turntables 11 and 12, one set of terminals b, b...
3, 13..., 14, 14..., so that even cap-shaped terminals are stably held in a well-balanced manner, and will not tilt or fall due to unbalanced center of gravity. Moreover, the work storage section 1
Among 3, 13..., 14, 14..., elements a, a...
and terminals b, b... correspond to the upper and lower pairs,
Since it is then carried to the press-fitting stations 17 and 20 and press-fitted, it is securely fitted.

Embodiments Next, embodiments and preferred embodiments of the present invention will be described with reference to the drawings.

Disc-shaped turntables 11 and 12 are arranged one above the other, and are intermittently rotated in the same direction at the same speed and pitch by a common shaft 30. Incidentally, the pitches to be rotated correspond to the pitches of the work storage sections 13, 13, . . . , 14, 14, . . ., which will be described later.

These turntables 11 and 12 have a base 3
Upper guides 33 and 34 are placed on top of the guides 1 and 32, and are provided at a portion closer to the outer periphery. Further, the outer peripheral sides of the turntables 11 and 12 are surrounded by ring-shaped outer peripheral guides 42 and 43. Bases 31, 32, outer guide 4
2 and 43 and the upper guides 33 and 34 are all stationary and support the rotating turntables 11 and 12.

The turntables 11 and 12 are provided with work storage sections 13, 13, . . . , 14, 14, respectively, at regular intervals. Work storage section 1 shown
3, 13..., 14, 14... are arranged on the turntable 1 according to the size of terminals b, b... and elements a, a...
This is a vertical groove provided on the outer peripheral edge of the table 11 and the outer peripheral guides 42, 43 on the outer peripheral side of the table 11.
Closed by. Further, its lower end is closed with bases 31 and 32, and upper guides 33 and 3
Where there is a 4, the top end is also closed.

Due to the intermittent rotation of the upper turntable 11, the work storage sections 13, 13...
A terminal supply station 15, an element supply station 16, a press-fitting station 17, and a transfer station 18 are arranged in this order.

As shown in FIGS. 1 and 2, in the terminal supply station 15, the outer peripheral guide 42 is partially open, and the tip of the chute 35 for supplying the terminals b, b, etc. is arranged in this opening, and a turn As the table 11 rotates intermittently, the terminals b, b... are transferred one by one from the chute 35 to the workpiece storage sections 13, 13...
It is stored at the bottom of the. Note that for cap-shaped terminals b, b, etc., which have a bottom, it is preferable to store them with the bottom facing down in terms of stability.

As shown in FIGS. 1 and 3, in the element feeding station 16, the upper guide 33 is partially opened, and a chute 36 for feeding the elements a, a, etc. is placed above the stop position of the workpiece storage sections 13, 13,... is located. As a result, as the turntable 11 rotates intermittently, the workpiece storage section 13 is moved from the chute 36,
13... elements a, a... are dropped one by one.

The elements a, a... dropped from above are located above the terminals b, b... in the workpiece storage parts 13, 13..., but in the illustrated case, the elements a, a... are placed above the terminals b, b... The elements a, a... are stopped by partitions 37 extending into the terminals b, b... to prevent them from fitting into the terminals b, b....

As shown in FIGS. 1 and 4, the base 31 of the press-fitting station 17 is partially open, and the press-fitting plunger 39 is inserted therethrough. This press-fitting plunger 39 is raised and lowered by a lifting mechanism 40 in synchronization with the timing of the intermittent rotation of the turntable 11. In the case shown, turntable 1
When the cam 41 that rotates in synchronization with 1 and 12 is used and the work storage parts 13, 13... are stopped,
The press-fitting plunger 39 rises, and the terminals b, b... are fitted into the elements a, a.... It is preferable to perform press-fitting in several stages rather than all at once.

As shown in FIGS. 1 and 5, in the transfer station 18, a pit hole is provided in the base 31, and a vertically rotating transfer foil 26 is disposed below this hole, and a fixed hole is placed on the circumferential surface of the transfer foil 26. Work receiving sections 23, 23, . . . are provided at intervals of .
The work receiving parts 23, 23... are circular holes made to match the sizes of the elements a, a... and the terminals b, b..., and the elements a, a... into which the terminals b, b... are press-fitted are one They are arranged vertically one by one.

The transfer foil 26 is connected to the work storage section 13,1.
3..., 14, 14..., and is intermittently rotated in synchronization with the turntables 11, 12.
As a result, the work receiving sections 23, 23...
is always located below the workpiece storage sections 13, 13, .
4. Located above and facing them. Therefore,
As the turntable 11 rotates, the elements a, a, . Note that at this time, the workpiece storage sections 13, 13, . . .
By blowing compressed air into elements a,
a... can be reliably dropped into the work receiving sections 23, 23....

On the other hand, a transfer station 22, a terminal supply station 19, a press-fitting station 20, and an ejection station 21 are arranged at locations where the work storage sections 14, 14, . . . stop due to the intermittent rotation of the lower turntable 12.

As shown in FIGS. 1 and 6, the transfer station 22 is located below the transfer wheel 26 and at a position where the work receiving sections 23, 23, . . . stop. Therefore, here, the elements a, a... dropped from the upper turntable 11 into the workpiece receiving parts 23, 23... are dropped one by one into the workpiece storage parts 14, 14... of the lower turntable 12. It will be done. In addition, at this time, the work receiving parts 23, 23
By sending compressed air through the air holes 45, 45, . . . , the elements a, a, .

The terminal supply station 19 and press-fit station 20 are similar to the terminal supply station 15 and press-fit station 17 of the turntable 11 above. That is, as shown in FIGS. 1 and 7,
At the terminal supply station 19, terminals b,
b... are stored one by one in the lower part of the work storage sections 14, 14.... Further, as shown in FIGS. 1 and 8, in the press-fitting station 20, the press-fitting plunger 49 is inserted from the open part of the base 32, thereby connecting the terminals b, b... to the elements a, a... Press-fitted. In the illustrated embodiment, the lower press-fit plunger 49 is raised and lowered by the lifting mechanism 40 at the same time as the upper press-fit plunger 39.

In this way, the elements a, a... with the terminals b, b... fitted on both ends are ejected from the turntable 12 by the ejection station 21, as shown in FIG. and then sent to the next process. Note that 51 is an air hole for sending out compressed air to the elements a, a, . . . .

The embodiment described above based on the drawings is a specific example of the present invention, and each part can be replaced by other means as long as the requirements already stated are satisfied. For example, the upper and lower turntables 11 and 12 may not be rotated by the common shaft 30, but may be rotated by separate shafts, or their positions may be shifted. Turntable 11,1
When the rotation of 2 is relatively slow, it can also be rotated continuously. The point is that a pneumatic mechanism or the like can be used as the elevating mechanism 40 instead of a cam mechanism.

〔Effect of the invention〕

As explained above, according to the present invention, in the turntables 11, 12, the terminals b, b...
Workpiece storage sections 13, 13..., 14, 14...
Because it is stored vertically, even cap-shaped terminals can be stably held, and will not tilt or fall due to unbalanced center of gravity. Moreover, in the work storage sections 13, 13..., 14, 14..., the elements a,
A... and terminals b, b... correspond to each other, and in this state they are carried to the press-fitting stations 17, 20 and press-fitted, so that fitting is performed reliably.

This allows the terminals b, b, . . . to be fitted into the elements a, a, . . . correctly and reliably.

[Brief explanation of the drawing]

Fig. 1 is a partially vertical perspective view of a terminal fitting device showing an embodiment of the present invention, Figs. 2 to 9 are longitudinal sectional views showing each station of the device, and Fig. 10 is a terminal fitting device. FIG. 2 is a schematic explanatory diagram showing a conventional example of a fitting device. 11, 12... Turntable, 13, 14...
...Work storage section, 15, 19...Terminal supply station, 16...Element supply station, 17,
20...Press-in station, 18, 22...Transfer station, 21...Ejection station, 2
3... Work receiving section, 26... Transfer foil, a...
...Element, b...Terminal.

Claims (1)

[Claims] 1 In a device that fits terminals into both ends of an element,
Two horizontally rotating turntables 11 and 12
are arranged above and below, and these turntables 11,
Work storage sections 13, 13, . . . , 14, 14, .
Work storage section 13, 1 of upper turntable 11
A terminal supply station 1 that supplies the terminals b, b,... to the storage portions 13, 13... at a location where the terminals 3... pass through.
5. An element feeding station 16 that supplies the elements a, a... to the storage parts 13, 13,..., the storage part 13,
13... Elements a, a... and terminals b, b... housed in...
A press-fitting station 17 for press-fitting the turntable 1 and a transfer station 18 are arranged, and
The transfer station 22 and the workpiece storage section 1
Terminal supply station 19 for supplying terminals b, b... to 4, 14..., press-fitting station 20 for press-fitting terminals b, b... to elements a, a... housed in storage portions 14, 14..., and press-fitting finished A discharge station 21 is arranged to discharge the elements a, a... and the terminals b, b... to the outside of the turntable 12, and the transfer station 1 of the upper and lower turntables 11, 12 is disposed.
A transfer foil 26 that rotates vertically is arranged between 8 and 22, and work receiving sections 23, 23, . . ., which receive elements a, a, . . . and terminals b, b, . are provided, and in the transfer station 18, 22, upper and lower work receiving sections 23,
23 are the upper and lower turntables 11 and 1, respectively.
A terminal insertion device for an electronic component, characterized in that turntables 11 and 12 and a transfer foil 26 are rotated synchronously so as to face two work storage sections 13 and 14.