JPS6019321Y2 - lighting tube sealing machine - Google Patents

Description

[Detailed Description of the Invention] This invention relates to a lighting tube sealing machine that has been improved to make it easier to attach the lighting tube mount to the mount piece.

The lighting tube goes through various manufacturing stages until it is completed as a single product, and one of the manufacturing steps is a machine that automatically covers and welds the bulb to the lighting tube mount. It is called a sealing machine.

More specifically, this lighting tube sealing machine involves inserting and holding an exhaust pipe, which is perpendicular to the mount, into the upper opening of a mount piece set upright on an index table, and then attaching a valve to the exhaust pipe. After the valve is fixedly held by a valve holder, the mount piece is rotated each time the valve holder is rotated, and the joint between the mount and the valve is welded with the flame of a gas burner.

In this case, since the conductor wire hangs down from the mount of the lighting tube at this manufacturing stage along with the exhaust pipe, this becomes an obstruction and makes it difficult to automatically insert it into the upper opening of the mount piece. Therefore, this work is done manually.

However, the upper opening part of this mount piece is
Since it is hot and there is not much difference between the outer diameter of the exhaust pipe and the inner diameter of the upper opening of the mount piece, it is recommended to wrap the conductor around the exhaust pipe and insert it. However, there is a problem in that this insertion work is often difficult.

The purpose of this invention is to perform the above-mentioned insertion work quickly and
We would like to provide a lighting tube sealing machine that can be used reliably.

One embodiment of the present invention will be described below in detail based on the drawings. Fig. 1 shows a lighting tube sealing machine. Reference numeral 1 indicates an index table thereof.

This index table 4 is intermittently rotated by a motor 2 via an intermittent drive mechanism 3, and a plurality of mount pieces 4 are erected on the top thereof at approximately equal intervals together with valve holding members 20, 20a. ing.

On the other hand, a base plate 6 is attached to a base 5 which is fixed to an arbitrary part of the aircraft body so as to be able to swing freely in a certain angle, and a cylinder 7 that operates in response to the intermittent movement of the mount piece 4 is mounted on this base plate 6. A sliding body 8 having a curved guide portion 8a at its tip is attached in the same direction as the sliding body 8.

This sliding body 8 is further loosely inserted into its protruding portion 8b, with a coil spring 9 fitted at the rear, a pointed head 10a, and a pressing body 10 connected to a piston rod 16. In the same direction as the body 10, the head 1
0a is sandwiched between the left and right guide pieces 11, each having a substantially doglegged planar shape. l
la is rotatably attached to the shaft.

This guide piece 11. The head 1 of the pressing body 10 is attached to the rear of the lla.
A roller 12.12a is pivoted in contact with 0a,
On the opposite side of this roller 12.12a, the tip of a leaf spring 13.13a fixed to the raised portion 8b abuts, and the guide piece 11. lla is energized in one direction.

The front portions of the guide pieces 11, 11a have a funnel portion 14 which is formed when the guide pieces 11, 11a are moved to the position indicated by the imaginary line as shown in FIGS. 2 and 4. Guide grooves 15, 15a are provided so that when the curved guide portion 8a moves to the position shown by the imaginary line and abuts against the mount piece 4, the center position of the guide grooves 15, 15a are located at the upper opening 4a of the curved guide portion 8a. It is set so that it overlaps with the center of

Therefore, when the index table 1 rotates and the mount piece 4 moves to the front of the guide device, the cylinder 7 is activated and moves the piston rod 16 forward.
First, the sliding body 8 has its curved guide portion 8a attached to the mount piece 4.
Move forward until you hit the guide piece 11, then stop. The portion of the lla provided with the guide groove 15.degree. 15a is inserted between the upper end of the mount piece 4 and the lower end of the valve holder 20.20a.

Thereafter, the piston rod 16 uses the remaining strobe to move only the pressing body 8 forward against the elastic force of the coil spring 9.

Then, the guide piece 11°11a does not move forward because the curved guide portion 8a is in contact with the mount piece 4.
The guide groove 15.1 rotates around its pivot position as a fulcrum against the pressing force of the leaf spring 13.13a and closes its tip.
5a forms a funnel portion 14 by overlapping from left and right.

This state is then maintained for a certain period of time.

Therefore, if the exhaust pipe 18 hanging from the mount 17 is inserted through the 84 part 14 during this time, the exhaust pipe 18
is inserted into the upper opening 4a of the mount piece 4 very smoothly without any difficulty.

At that time, without having to wrap the conductive wires 19 and 19a around the exhaust pipe 18 one by one, by simply aligning them, they are guided to the funnel part 14 and inserted into the upper opening 4a of the mount piece 4.
The exhaust pipe 18 and the exhaust pipe 18 are inserted into the interior.

Next, after a certain period of time has elapsed, before the mount piece 4 moves again, the cylinder 7 operates to retract the piston rod 16, so that the pressing body 8 is first retracted by the repulsive force of the coil spring 9.

Then the guide piece 11. lla opens its tip by the elastic force of the leaf springs 13, 13a and releases the funnel part 14 formed by the guide groove 15. Move to the next location with the mount 17 attached.

Thereafter, the above operations are repeated in response to the movement of the mount piece 4.

A valve is automatically placed over the mount 17, which is inserted and held in the upper opening 4a of the mount piece 4 and moved, by a guide device (not shown), and the valve holding member 20 is operated by a cam mechanism. .20
After fixing at point a, the mount piece 4 is rotated every time, and the joint portions of the two are welded together using a gas burner (not shown).

Since all of these devices are well known, illustration thereof is omitted.

As explained in detail above, this invention is equipped with a guide device that repeatedly moves forward and backward onto the mount piece that has moved to a certain position, and forms and releases the funnel part on the upper opening of the mount piece. By simply arranging the wires, the exhaust pipe can be easily inserted and held in the mount piece through this funnel, without having to wrap the conductor wires one by one. Since there is no need to touch it with your hands, it is possible to achieve the effect that the work efficiency and yield can be dramatically improved.

[BRIEF DESCRIPTION OF THE DRAWINGS] The drawings show an embodiment of the invention, with FIG. 1 being a side view thereof, FIG. 2 being a side view showing the operation of the guide device, and FIG.
FIG. 4 is a plan view of FIG. 2. 1... Index table, 4...
Mount piece, 5...base, da, end...sliding body, 8 coil spring, 1 6...substrate, 7...cylinder a...・
...Curved guide part, 9...Curve 0...Press body, 11, 11a...Guide piece, 14.Runnel/funnel part,...Guide groove, 16... ... Zeston rod. 15°15a...

Claims (1)

[Scope of utility model registration request] In a lighting tube sealing machine that covers and welds a bulb to the mount of a lighting tube, a guide device is provided so as to face the mount piece that inserts and holds the exhaust pipe perpendicularly from the mount of the lighting tube in the direction perpendicular to the mount piece. , the guide device is mounted on a base plate, a fluid cylinder mounted on the base board, a sliding body mounted on the base board and slid back and forth by the fluid cylinder, and a part pivotably mounted on the sliding body, An index table whose tips are closed by the piston rod of the cylinder, which are biased in the direction of opening each other, and which is composed of a pair of guide pieces each having a guide groove at the tips, and which has the mount piece erected. When the piston rod moves forward, the guide piece forms a funnel part on the mount piece, and then releases the funnel part and forces the cylinder to move in response to the movement of the piston rod. , lighting tube sealing machine.