JPS6224883B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an assembly jig used when assembling lighting equipment on a conveyance line, and in particular, to provide an optimal jig for automatically supplying and assembling each component. It is something to do.

There are many different types of lighting equipment, but for example, a lighting equipment that uses two annular fluorescent lamps, which is often used in general homes, has two ballasts inside the bottomed cylindrical equipment body. Then, attach a switch block, which is a combination of two glow lamp sockets, a safety bulb socket, and a switch, to the board, electrically connect the ballast, switch block, and power line, and attach a reflector to the main body. Furthermore, the lamp holder is attached to the reflector, a glow lamp and a safety bulb are attached to each socket, a ring-shaped fluorescent lamp is attached to the lamp holder, and each is electrically connected.

Such lighting equipment usually requires a large number of workers because each part is supplied and assembled by hand by workers, and the workability is poor and inefficient.

Therefore, in order to improve the productivity of lighting equipment, it would be better to automate the supply and assembly of each part.
It was extremely difficult to position each part relative to each other during automatic feeding, and this was a barrier to automation.

This invention was made in view of the above-mentioned problems in automatic assembly of lighting equipment.
An assembly jig in which guide pins for positioning the ballast are fixed in an upright position in a predetermined arrangement relationship, and are designed to automatically position each component relative to each other, so that automatic assembly of lighting equipment is possible. The present invention provides an assembly jig that can be tightened.

DESCRIPTION OF THE PREFERRED EMBODIMENTS The structure of the present invention will be described below with reference to embodiments shown in the drawings.

A lighting fixture that can be assembled using the assembly jig of the present invention is, for example, a lighting fixture that uses two annular fluorescent lamps, and as shown in FIG. Assemble the switch block 3 (see Fig. 7) to which the two ballasts 2, 2, the two glow lamp sockets 3A, 3B, the safety ball socket 3B, the switch 3C, etc. are integrally attached, and furthermore, almost all the parts are installed. Bottom cylindrical reflector 4 and lamp holder 5
It has a structure that incorporates. And the instrument body 1
As shown in FIG. 2, a flange 6 is integrally formed on the periphery, appropriate places, for example, three places, are notched at equal intervals on the flange 6, and a reflector 4 and a lamp holder 5 are attached to each flange 6, 6, 6. For example, screw holes 7, 7, 7 and pin holes 8, 8, 8 for positioning during automatic assembly are formed, and the stabilizers 2, 2 are formed in the instrument body 1.
Positioning holes 9, 9 . . . and guide holes 10, 10 for guiding the switch block 3 are formed. Further, the entire surface of the instrument body 1 is painted, for example.

The assembly jig A is configured to match the shape of the lighting fixture. That is, in Figures 3 and 4, 12
For example, the plate is placed on a free flow conveyor (not shown) and can be temporarily stopped at any position, and is large enough to allow a lighting fixture to be placed thereon. 13 surrounds the instrument body 1 at a plurality of locations, for example, three locations on the plate 12, as indicated by dashed lines, and at a predetermined time, each flange 6,
6, 6 are arranged and fixed upright, and a positioning pin 14 is provided protrudingly on the upper end surface to fit into a positioning pin hole 8 formed in the flange 6,
An escape groove 16 for the mounting screw 15 of the lamp holder 5 is formed at the corner. This pillar 13, 13, 1
3 does not support the notch between the flanges 6, 6, 6 of the instrument main body 1, and is housed in the space surrounded by the supports 13, 13, 13, and determines the direction of the instrument main body 1. After attaching the stabilizers 2, 2 to the main body 1, when the instrument main body 1 is turned over, the flanges 6, 6, 6 are supported and positioned. 17 is the three pillars 1
It is accommodated in the space surrounded by 3, 13, 13,
In addition, it is a stepped guide pin that is fixed upright at four locations on the plate 12 corresponding to the positioning holes 9, 9, . 17a...... is attached so that it can be moved up and down. The small diameter pin portions 17a, 17a...
For example, the guide pins 17, 17... are held in a protruding state at all times by a spring (not shown) built into the upper part of the guide pins 17, 17, and when an external force is applied from above, the upper ends of the guide pins 17, 17...
...It is configured to descend until it goes inside. Then, the stabilizers 2, 2 and the instrument main body 1 are positioned by passing the small diameter pin portions 17a, 17a... into the mounting holes of the stabilizers 2, 2 and the positioning holes 9, 9... of the instrument main body 1. When the rivet is supplied from above, the small diameter pin portions 17a, 17a are lowered by a predetermined distance, and at the same time, the rivet is caulked. Also, guide pin 1
7, 17... are pillars 13, 13, 13 after reversal.
The height is set to form a slight gap between the device body 1 supported by the device body 1. Reference numeral 18 denotes a guide shaft that is fixed upright on the plate 12 in correspondence with the stem hole 10 of the instrument body 1, and is made of an insulating material, and is designed to support the stem hole 10 of the instrument body 1 supported by the pillars 13, 13, 13. It penetrates through and projects slightly above the flange 6 to guide and position the switch block 3 to be assembled into the instrument body 1. Reference numeral 19 denotes a through hole formed corresponding to the approximate center of the main body 1 of the instrument to be supported. This prevents the device body 1 from bending downward when installing the device. 2
Reference numeral 1 denotes an outlet provided at an appropriate position on the plate 12, into which a socket 22 of the lighting device is pushed when inspecting the quality of the completed lighting device. This outlet 21 is connected to a brush 23 provided at the end of the plate 12, and the brush 23 is connected to a power source at a predetermined position, and current is supplied to the outlet 21. 24, 24 are lamp sockets 25 led out from the switch block 3;
This holder holds the 25 leads 25', 25', respectively, and prevents the leads 25', 25' from shifting their positions during transportation. Reference numeral 26 denotes a grounding contact piece used when conducting a withstand voltage test of the lighting equipment 1, and its base is pivotally mounted in a notch 27 in the side of a suitable support 13, and In the inspection position, a spring 28 is stretched between the contact piece 26 and the support 13 so that the grounding contact piece 26 is always swung outward so as not to interfere with the assembly of the lighting equipment. Connect the contact piece 26 to a cylinder (not shown)
A withstand voltage test is carried out by pressing the rivet with a tool and swinging it so that it comes into contact with the head of the rivet that connects the device main body 1 and the ballast 2.

To assemble a lighting fixture using the assembly jig A having the above configuration, the plate 12 is transferred on a free flow conveyor, stopped at a predetermined position,
As shown in Figures 3 and 4, first, two ballasts 2 are placed on jig A with the terminals 2a facing downward, and the mounting holes at both ends of the ballasts 2 and 2 are connected with guide pins. Pin portions 17a, 1 of 17, 17, 17...
7a...... to position and support it, and then in the next position, supply the instrument body 1 with the flange 6 facing downward, and insert the notch of the flange 6 into the plate 1.
2, and insert the guide pins 17, 13, 13 in correspondence with the positioning holes 9, 9...
The stabilizers 2, 2 and the instrument main body 1 are positioned by fitting into the small diameter pin portions 17a, 17a of 17. After this, in the next position, a rivet is supplied from above to correspond to the pin portions 17a, 17a of the guide pins 17, 17, and the pin portions 17a, 17a are
While pressing down into the guide pin 17, the rivets are inserted into the positioning holes of the instrument body 1 and the mounting holes of the stabilizers 2, 2, respectively, and fixed by caulking. After the instrument main body 1 and the stabilizers 2, 2 are combined, the instrument main body 1 is turned over as shown in FIG.
6 and 6 are placed on the respective pillars 13, 13, 13, and the pin holes 8, 8, 8 are fitted into the positioning pins 14 of the pillars 13, 13, 13 for positioning and support. After this, in the next position, the support shaft 20 rises from below to support the central part of the instrument body 1, and the switch block 3 is supplied to the instrument body 1 from above, forming the guide shaft 18 into the switch block 3. Position it by inserting it into the through hole (not shown), bring the terminal of the switch block 3 into contact with each terminal 2a of the ballast 2, 2, and then temporarily connect the power line and the terminal of the switch block 3. do. Then, in the next position, flux is applied to the connecting portion of each terminal, and solder is supplied to connect each terminal. Then, at the next position, the reflector 4 is supplied, and the positioning pins 1 of each support column 13, 13, 13 are
4, 14, and 14 are inserted into mounting holes (not shown) formed in the flange of the reflector plate 4 for positioning and to match the instrument body 1. After this, in the next position, the mounting screw hole 7 of the instrument body 1,
Lamp holders 5, 5, 5 are supplied corresponding to 7, 7, and are screwed together with screws 15 to form the instrument body 1,
The reflecting plate 4 and the lamp holders 5, 5, 5 are coupled together. After this, the glow lamp and safety bulb are attached to the switch block 3 in the next position.
Furthermore, an annular fluorescent lamp is attached to the lamp holder 5, completing the assembly of the lighting fixture.

When the assembly of the lighting equipment is completed, the plate 12
is transferred to the inspection position, the brush 23 on the plate 12 is connected to the power source, the socket 22 of the power line of the lighting equipment is inserted into the outlet 21,
Operate the switch to test the lighting. After that,
A withstand voltage test is performed by bringing the grounding contact piece 26 into contact with the rivet head that connects the device body 1 and the ballast 2. Thereafter, the lighting equipment is taken out from jig A and if it is a good product, it is transported to the packaging process, and if it is a defective product, it is removed from the transport line.

Incidentally, when conducting a withstand voltage test, the grounding contact piece can be configured as shown in FIG. 6, for example. It is also possible to vertically move the grounding contact piece 26' vertically in the relief groove 16 of the support column 13 via a spring, and to bring them into contact when the screw 15 descends. Further, the number of guide pins can be increased or decreased as appropriate depending on the number of stabilizers (for example, one or three). Furthermore, the shape of the support can be changed as appropriate depending on the shape of the notch in the instrument body. For example, if the notch in the instrument body is U-shaped, the strut must be configured to fit into the notch.

As described above, according to the present invention, the relative positioning of the stabilizer and the instrument body can be performed using the guide pins provided on the plate, and the rivet fixation can be performed. In addition, the height of the guide pin is set to a height that creates a gap between the guide pin and the main body of the device supported by the pillar, so after installing the stabilizer, the main body of the device can be turned over and other components such as the switch block can be assembled. Attachment can be carried out on the same plate without any problems, and it is possible to automate the assembly of lighting equipment. Furthermore, by providing a power supply outlet and a ground contact piece on the plate for inspecting lighting equipment, the quality of the lighting equipment can be inspected simultaneously on the jig, greatly improving work efficiency.

[Brief explanation of the drawing]

FIG. 1 is a half-sectional view showing an example of a lighting fixture assembled using the jig of the present invention, FIG. 2 is a plan view showing the shape of the main body of the lighting fixture, and FIG. A plan view of the jig, Fig. 4 is a sectional view thereof, Fig. 5 is a sectional view showing one step during assembly, and Fig. 6 is a sectional view of the jig.
The figure is a sectional view of a main part showing another embodiment of the grounding contact piece, and FIG. 7 is a perspective view showing an example of a switch block. 1... Appliance body, 2... Ballast, 3... Switch block, 4... Reflector, 5... Lamp holder, 12... Plate, 13... Support, 14...
Positioning pin, 17... Guide pin, 18... Guide shaft, 19... Through hole.

Claims (1)

[Claims] 1. A plate placed on a conveyance line, a plurality of pillars that have positioning pins for the lighting equipment body on the upper end surface, are fixed upright on the plate in an appropriate arrangement, and are surrounded by each pillar. It consists of a guide pin that is fixed upright in the space in which it is placed, and has a small diameter pin part on the top surface for positioning and caulking the stabilizer that can be moved up and down. 1. A jig for assembling a lighting equipment, characterized in that the bottom of the lighting equipment body housed in the lighting equipment is higher than the upper end of the guide pin.