JPH05147632A - Tape applicator - Google Patents

Abstract

PURPOSE:To obtain an apparatus for sticking a tape-shaped body to the outside face of a cylindrical body such as discharge lamp. CONSTITUTION:One end of a discharge lamp 1 is supported by the head chuck 17 of a slider 15, a tape 24 is arranged in the side face on the other end side, the tape 24 is bonded through between positioning rollers 30, 31 on both sides of a valve and tape-sticking rollers 32, 33, and the final end of the tape is cut by a tape cutter 34. Also, a chuck head 20 is mounted rotatably and controlled in rotation by the signal of a sensor 29 arranged in the vicinity of the valve so that the tape is accurately stuck on the peripheral face.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a tape sticking device for sticking a tape-like object to the outer surface of a cylindrical object, and more particularly to an aluminum foil having reflectivity and conductivity along the bulb axis on the outer surface of a glass bulb. It is suitable for manufacturing a discharge lamp formed by attaching a tape-shaped object such as.

[0002]

2. Description of the Related Art A discharge lamp device to which a tape-shaped object of this kind is attached is, for example, a long fluorescent lamp.
In order to obtain discharge startability, a conductive aluminum foil is attached along the outer surface of the glass bulb along the axial direction, or the phosphor film inside the glass bulb is peeled off in the axial direction of the bulb to open the window. In order to effectively guide the lamp light from the aperture window that opens, a reflective aluminum foil is attached to both outer edges of the aperture window, or from a pair of aluminum foils along the axial direction of the valve outer surface. There is an outer wall electrode type rare gas discharge lamp in which a strip-shaped outer wall electrode is attached.

For example, FIG. 2 is a sectional view showing an example of the above-mentioned outer wall electrode type rare gas discharge lamp 1. In FIG. 2, 2 is a phosphor film 4 covering the entire surface while leaving an aperture window 3 on the inner surface. It is a thin tubular glass bulb that is attached, and both ends are sealed, and a rare gas of xenon gas of several tens of mm torr is enclosed in the bulb. Further, on the outer surface of the glass bulb 2, strip-shaped outer wall electrodes 5A, 5B made of a pair of aluminum foils are attached along both outer edges of the aperture window 3 to form the outer wall electrode type rare gas discharge lamp 1. ing. The outer wall electrode type rare gas discharge lamp 1 having such a configuration has the two outer wall electrodes 5A,
When a high-frequency high voltage of 1.5 KV, 30 KHZ, for example, is applied between 5B, a discharge is generated in the discharge space between the outer wall electrodes in the glass bulb 2 in the direction orthogonal to the bulb axis, and the aperture window 3 causes Causes the light to be emitted.

By the way, the outer wall electrode type rare gas discharge lamp 1 having such a structure has features that the structure is extremely simple and has a long life because there is no electrode in the glass bulb 2.
The outer wall electrodes 5A and 5B were made of aluminum foil, and the attaching work was difficult. For example, this aluminum foil sticking work
The enclosed discharge lamp 1 is placed on a desk or the like, and the tape-shaped aluminum foil is attached to the edge of the aperture window 3 of the discharge lamp 1 so that it can be used for many minutes. This is a work and requires a lot of man-hours, and the aluminum foil comes off the edge of the aperture window 3 and enters the window 3 so that the light cannot be effectively led out, or the aluminum foil is attached so as to be inclined with respect to the bulb axis. However, there is a problem in that the insulation between the electrodes is lowered and a creeping discharge is generated on the outer surface of the glass bulb 2.

[0005]

SUMMARY OF THE INVENTION Therefore, the present invention has been made in view of the above, and a foil-like object that is difficult to mount is easily and accurately attached to the outer surface of a cylindrical object such as a glass bulb of a discharge lamp. It is an object of the present invention to provide a tape sticking device that can be stuck.

[0006]

For this reason, the test of the present invention is carried out.
The tape sticking device has a tape-shaped object along a side surface of a cylindrical object, and the tape-shaped object is attached to the side surface of the cylindrical object by passing the cylindrical object between a pair of rollers. It was done. Furthermore, in order to specifically apply to the discharge lamp,
The following configuration is adopted. That is, a slider having a chuck for detachably supporting the outer circumference of one end of the glass bulb, and a slider disposed so as to be slidable in the axial direction of the glass bulb, and a glass bulb at a fixed position on the other end of the glass bulb. A tape supply means for drawing out the tape to be attached to one surface of the glass bulb, and the other surface of the glass bulb opposite to the side from which the tape is drawn out at a fixed position on the latter side of the tape leading-out position. Positioning roller which is disposed on the opposite side of the glass bulb and prevents the other end of the glass bulb from swinging to the other surface side, and the positioning roller is disposed on the opposite side and is led out from the tape supply means. Tape sticking roller that presses the tape to one side of the glass bulb,
A tape near the end of the tape to be adhered, which is disposed near the tape roller and is pressure-bonded onto the glass bulb.
The tape has a tape cutter that cuts the tape by abutting the cutting edge on the glass bulb.The discharge lamp automatically draws the tape to be attached to the side surface of the glass bulb and attaches it. The tape is cut. More specifically, a second tape sticking roll that presses the tape pasted by the tape sticking roller against the one side of the glass bulb again at a fixed position on the rear side of the tape cutter. Is provided to securely attach the tape to the outer surface of the glass bulb. Further, a chuck is provided at a fixed position on the rear side of the tape cutter so as to face the slider and detachably supports the outer circumference of the body of the glass bulb or the other end of the glass bulb so that it can slide in the axial direction of the glass bulb. A second slider is arranged to attach the tape over the entire length of the glass bulb of the discharge lamp. Further, the chuck is rotatably attached to the slider, and a position detection sensor for detecting the outer surface position of the glass bulb is provided on the movement path of the glass bulb, and the chuck is rotationally controlled by the detection value of the position detection sensor. The tape is attached along the outer edge of the aperture window of the discharge lamp. Furthermore, a configuration is adopted in which the rotation chuck is controlled to rotate by an external signal and the tape is attached to the outer surface of the glass bulb in an arbitrary trajectory shape.

[0007]

According to the above construction, the tape can be mechanically attached to the side surface of the cylindrical object without bothering the human hand. Further, the glass bulb of the discharge lamp is chucked at the outer periphery on one end side thereof so as to be slidable in the axial direction by the slider, and is moved to the other end side. At this time, the end portion of the tape to be stretched, which is led out from the tape supply means, is located on the one surface side of the other end side of the glass bulb. When the glass bulb moves, both sides of the glass bulb are in sliding contact with the positioning roller and the tape sticking roller, and the other end of the glass bulb, that is, the free end, is positioned and moved straight. At this time,
Since the tape is pressed by the tape sticking roller,
The tape is attached on one surface of the glass bulb, and the tape to be adhered is pulled along with the movement of the glass bulb, and the tape is automatically replenished and drawn out from the tape supply means. It will be pasted straight up. The tape to be adhered, which has been adhered for the required length, is cut with a tape cutter at the rear end side of the adhesive. Further, by providing the second tape sticking roller, the tape is more surely stuck. Further, by providing a second slider and shifting the chuck position of the glass bulb to the left or right, the tape can be attached over the entire length of the glass bulb. Further, if the chuck of the slider is rotatably attached and a position detection sensor is provided, the chuck can be rotationally controlled by the detection value of the position detection sensor, and the tape is provided at the outer edge of the aperture window of the discharge lamp. Can be attached along. Further, by controlling the rotation of the chuck by an external signal, the tape can be attached in various shapes.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing an outline of a tape sticking apparatus 10 according to the present invention, which shows the above-mentioned outer wall electrode type rare gas discharge lamp 1 for sticking a tape such as an aluminum foil over the entire length of the outer surface of a glass bulb. Suitable for manufacturing. The tape sticking device 10 has a pair of stages 11 and 12 whose orbits are oriented in the same direction on the left and right, and is driven by pulse cylinders 13 and 14 on the stages 11 and 12, respectively. The sliders 15 and 16 are mounted on the orbits of the stages 11 and 12 so as to be movable left and right. Although not shown, valve chucks 17 and 18, which are driven to open and close by an air-cylinder or the like, are attached to both sliders 15 and 16 so that their axes are aligned with each other, and the outer circumference of the glass bulb 2 of the discharge lamp 1 described above is attached. It is configured to be detachably supported.

The right-side bulb chuck 17 has three chuck claws 19 around its axis, and the glass bulb 2 of the discharge lamp 1 is provided.
The one end side of the chuck is firmly chucked from three sides, and the chuck head 20 is rotatably supported by the slider 15, and is rotatable about the axis by a stepping motor (not shown). Further, the left valve chuck 18 has two chuck claws 21 having a V-shaped cross section in front of and behind the valve shaft, and chucks the body of the glass bulb 2 of the discharge lamp 1 from both sides. The head 22 is fixed to the slider 16 as it is.

Reference numeral 23 is a tape supply means, and a tape base 25 on which the tape of the tape 24 to be adhered is placed, a tape guide 26, and a back tape 27 are wound. It is composed of a cradle 28 and the like. The tip of the tape 24 to be attached is arranged so as to come to a fixed position on the side surface of the locus of movement of the discharge lamp 1 between the left and right stages 11 and 12. Also, 2
Reference numeral 9 denotes a position detection sensor which is arranged on the left end side of the left stage 11 and above the left end of the glass bulb 2 of the discharge lamp 1. The position detection sensor 9 has an aperture of the phosphor film 4 applied inside the glass bulb 2 of the discharge lamp 1. -The boundary position of the tea window 3 is detected, and the detected value is sent to the control unit of the tape sticking device 10 (not shown),
Drive the stepping motor of the valve chuck 17,
The glass bulb 2 of the discharge lamp 1 is rotated in the bulb peripheral surface direction to correct and control the outer peripheral attachment position of the glass bulb 2 of the tape 24.

Numerals 30 and 31 are between the left and right stages 11 and 12, and the glass bulb 2 on the opposite side of the moving path of the glass bulb 2 of the discharge lamp 1 from the surface from which the above-mentioned tape 24 to be pulled out is drawn out. When the one end of the glass bulb 2 is chucked by the slider 15 and moves on the left stage 11, the free end of the glass bulb 2 is prevented from moving to the other side. And the first and second positioning rollers. These positioning rollers 30 and 31 cooperate with a tape tensioning roller which will be described later, and the discharge lamp 1 is chucked at the end of its glass bulb by the slider 15 to move the lamp right on the stage 11. When moving from one direction to the other, the left end of the glass bulb is straightly regulated without swinging, and is fed to the valve chuck 18 of the slider 16 of the stage 12 and held by the chuck claw 21. Acts like.

Numerals 32 and 33 are first and second tape tension rollers arranged on the opposite side of the first and second positioning rollers 30 and 31 via the glass bulb 2. -La, each mounted by a cylinder so that it can move back and forth. These tape tension rollers 32 and 33 are used for the glass bulb 2 of the discharge lamp 1 chucked on the stage 11.
Moves forward to the predetermined position, presses the tape 24 to be attached against the wall surface of the glass bulb 2 of the discharge lamp 1,
The tape 24 is attached to the wall surface of the glass bulb 2. Here, the first tape-rolling roller 32 at the front stage has a disk shape with a flat peripheral surface, and when the glass bulb 2 passes therethrough, the glass bulb wall surface is placed on the side of the first positioning roller 26. It is configured to be pressed with a predetermined pressure. Therefore, tape sticking roll
The la 32 rotates on one side wall surface of the glass bulb 2, and the movement of the glass bulb 2 is smoothed, and at the same time, the central portion of the tape 24 is pressed against the glass bulb 2 to be bonded. On the other hand, the second tape-rolling roller 33 in the latter stage has a circumferential surface formed in an arc shape, and when the glass bulb 2 passes therethrough, the tape 24 bonded at the central portion is Along the outer shape of the glass bulb 2, the entire width is pressed, and the tape 24 is pressed.
Has a function of a tape pressing roller for completely adhering to the outer wall of the glass bulb 2.

Reference numeral 34 denotes a tape cutter which is arranged near the first tape tension roller 32 and which is attached by a cylinder so as to be movable back and forth. The right slider 15 is attached to the stage 11.
, The glass bulb 2 of the discharge lamp 1 is replaced by the bulb chuck 22 of the left slider 16,
When the glass bulb 2 has moved to a predetermined position on the stage 12, it moves forward and its cutting edge 35 is applied to the vicinity of the non-adhesive portion of the pressure-adhered tape 24 on the glass bulb 2 near the end of pressing. To do. The discharge lamp 1 to which the tape 24 is attached and the tape pressing end is cut off is the second slider.
It is carried by 16 to a predetermined position on the left side of the stage 12, the chuck is released, and it is sent out from the apparatus.

[0014]

As described above, according to the present invention, since the tape is automatically attached to the side surface of the glass bulb,
It is labor-saving without relying on human labor, and because the tape position is detected by the position detection sensor and the position is regulated in the valve circumferential direction, the tape is displaced from the aperture window. It is attached to a desired position without being bent or tilted. The present invention is based on the above embodiment,
The tape sticking device was divided into the first and second stages, and the glass bulb was held by the left and right so that the tape could be attached over the entire length of the glass bulb regardless of the chuck position. This is not always necessary when it is attached to a part of the valve or when leaving both ends.
Further, an object other than the discharge lamp can be similarly used as long as it is a cylindrical object and a tape-shaped object is attached to the outer surface thereof.

[Brief description of drawings]

FIG. 1 is a perspective view of a tape sticking apparatus, which is an example of the tape sticking apparatus of the present invention.

FIG. 2 is a sectional view showing an example of a discharge lamp applied to the apparatus of FIG.

[Explanation of symbols]

 2 glass bulbs 15 and 16 sliders 17 and 18 chucks 23 tape supply means 24 tapes 29 position detection sensors 30 and 31 positioning rollers 32 and 33 tape attachment rollers 34 tape cutters 35 cutting edges

Claims (6)

[Claims] 1. A tape-shaped object is provided along a side surface of a cylindrical object, and the tape-shaped object is attached to the side surface of the cylindrical object by passing the cylindrical object between a pair of rollers. A tape sticking device characterized in that 2. A slider having a chuck for detachably supporting the outer periphery of one end of the glass bulb, and a slider disposed so as to be slidable in the axial direction of the glass bulb, and a fixed position on the other end of the glass bulb. A tape supply means for drawing out the tape to be attached to one side of the glass bulb, and a glass bulb opposite to the side from which the tape is drawn out at a fixed position downstream of the tape leading-out position. The positioning roller which is disposed on the other surface side of the glass bulb and which prevents the other end of the glass bulb from swinging to the other surface side, and the positioning roller is disposed on the opposite side and is led out from the tape supply means. A roller for sticking the tape to one side of the glass bulb, and a tape to be stuck which is arranged in the vicinity of the tape sticking roller and is pressure-bonded onto the glass bulb. The tape by touching it on the tape near the end of the tape. A tape sticking device having a tape cutter for cutting. 3. A tape which is arranged at a fixed position on the rear stage side of the tape cutter and which is attached by the tape attaching roller.
The second tape that pushes the upper part of the glass bulb against one side of the glass bulb again.
3. A roller for sticking the tape is provided.
The tape attachment device described. 4. A chuck, which is disposed at a fixed position on the rear side of the tape cutter so as to face the slider and detachably supports the body of the glass bulb and the outer circumference of the other end, and the chuck is provided in the axial direction of the glass bulb. 3. A tape sticking apparatus according to claim 2, further comprising a second slider slidably mounted on the tape. 5. A chuck is rotatably attached to a slider, and a position detection sensor for detecting the outer surface position of the glass bulb is provided on the movement locus of the glass bulb, and the chuck is rotated according to the detection value of the position detection sensor. The tape sticking device according to claim 2, wherein the tape sticking device is dynamically controlled. 6. The tape sticking device according to claim 2, wherein the chuck is rotatably attached to the slider, and the chuck is rotationally controlled by an external signal.