KR20100018384A - Apparatus for align fluorescent lamp, apparatus for seal-cutting fluorescent lamp, method of align fluorescent lamp and and method of seal-cutting fluorescent lamp - Google Patents

Abstract

PURPOSE: A fluorescent lamp alignment apparatus, a fluorescent lamp seal cutting apparatus, and a method thereof are provided to align the fluorescent lamp with a relatively simple formation, to reduce an investment cost, and to reduce the processing time. CONSTITUTION: A method of a fluorescent lamp alignment and a fluorescent lamp seal cutting comprises the steps of: arranging a gage block(410) in one side of the fluorescent lamp providing a standard surface for the arrangement of the fluorescent lamp; and arranging a slant roller(430) formed with a capability of rotation with an arrangement of an axis line in a slope to the axial line of the lamp to support fluorescent lamp to roll.

Description

Fluorescent Lamp Aligner, Fluorescent Lamp Sealing Device, Fluorescent Lamp Alignment Method and Fluorescent Lamp Sealing Method {Apparatus for align fluorescent lamp, apparatus for seal-cutting fluorescent lamp, method of align fluorescent lamp and and method of seal-cutting fluorescent lamp }

The present invention relates to a fluorescent lamp alignment device, a fluorescent lamp seal cutting device, a fluorescent lamp alignment method and a fluorescent lamp seal cutting method, and more particularly, a fluorescent lamp alignment device for removing unnecessary parts from the fluorescent lamp in the manufacturing process of the fluorescent lamp. The present invention relates to a fluorescent lamp seal cutting device, a fluorescent lamp alignment method, and a fluorescent lamp seal cutting method.

LCD devices, which are in the spotlight in flat panel display devices, include non-light emitting devices that do not emit light by themselves, and thus include a backlight device that provides a separate light source.

In such a backlight device, a fluorescent lamp having a diameter of several mm is used. Cold fluorescent lamps (CCFL) and external electrode fluorescent lamps (EEFL) are used for the fluorescent lamps.

The cold cathode fluorescent lamp comprises a long glass tube and two electrodes attached to both ends thereof, an anode and a cathode, and the two electrodes are connected by leads extending from the inside of the glass tube to the outside of the glass tube. The external electrode fluorescent lamp is a structure in which two electrodes are formed to seal both ends of the glass tube and surround both ends of the sealed glass tube from the outside. The external electrode forms an electric field in the glass tube to discharge gas.

The cold cathode fluorescent lamp and the external electrode fluorescent lamp (hereinafter referred to as 'fluorescent lamp') are coated with a fluorescent material on the inner wall, and the inner space of the glass tube is filled with a mixed gas such as mercury, argon and neon.

Meanwhile, the manufacturing process of the fluorescent lamp includes a sealing process, a seal-cutting process, and a glazing process. The sealing process is a process of filling gas into the glass tube and sealing one end of the glass tube. The seal cutting process is a process of inverting the fluorescent lamp after the sealing process, removing unnecessary portions from the fluorescent lamp of the finished product and sealing the other end of the glass tube while maintaining the sealing state of the glass tube. The glazing process is a process of forming a smooth curved surface by trimming the cut surface of the fluorescent lamp in the thread cutting process.

Among these, the thread cutting process is performed by applying heat to the cutting position to remove unnecessary portions of the fluorescent lamp, and cutting the cutting portion using a cutting wheel as necessary. At this time, the exact cutting position of the fluorescent lamp must be found and cut to increase the completeness of the finished product.

In order to find the correct cutting position of the fluorescent lamp, the fluorescent lamp needs to be aligned.

Accordingly, an object of the present invention is to provide a fluorescent lamp alignment device, a fluorescent lamp seal cutting device, a fluorescent lamp alignment method and a fluorescent lamp seal cutting method to facilitate alignment of the fluorescent lamp to accurately find the cutting position of the fluorescent lamp.

The fluorescent lamp alignment device is disposed on one side of the supported fluorescent lamp, and provided with a gauge block providing a reference plane for alignment of the fluorescent lamp, and rotatably provided so that an axis is inclined with respect to the axis of the fluorescent lamp. And an inclined roller for rolling the lamp.

The inclined roller may rotate to move the fluorescent lamp so that one end of the fluorescent lamp is in close contact with the reference plane.

On the other hand, the fluorescent lamp seal cutting device is a support portion for supporting the fluorescent lamp in the longitudinal direction, disposed on one side of the fluorescent lamp supported on the support portion, the gauge block for providing a reference plane for alignment of the fluorescent lamp, rotatable An axis line is arranged to be inclined with respect to the axis of the fluorescent lamp, and is disposed on the other side of the inclined roller supporting the fluorescent lamp and the fluorescent lamp supported by the support unit, and cutting the cutting position of the fluorescent lamp. It includes a cutting unit to be.

The support part may include a plurality of support rollers externally circulated in the lower portion of the fluorescent lamp.

The fluorescent lamp seal cutting device may further include a plurality of pressure rollers external to the upper portion of the fluorescent lamp, and an elevator for elevating the plurality of pressure rollers.

The plurality of support rollers are arranged in plural in the longitudinal direction of the fluorescent lamp, the plurality of pressure rollers are arranged in plural in a position corresponding to the position of the plurality of support rollers arranged in plural in the longitudinal direction of the fluorescent lamp. Can be.

The plurality of support rollers disposed in the longitudinal direction of the fluorescent lamp includes a plurality of first support rollers disposed on one side of the fluorescent lamp, and a plurality of second and third supports disposed such that the fluorescent lamps are spaced apart from each other on the other side. It may include a roller.

The cutting unit may include a burner disposed between the plurality of second and third support rollers to heat the cutting position.

The support unit further comprises a driving module for rotating a plurality of the support roller fluorescent lamp seal cutting device.

On the other hand, the fluorescent lamp alignment method is a fluorescent lamp loading step of loading and supporting the fluorescent lamp, the fluorescent lamp to move the fluorescent lamp in the longitudinal direction of the fluorescent lamp by rolling, one end of the fluorescent lamp in close contact with the reference plane of the gauge block The sorting step is included.

Meanwhile, the fluorescent lamp seal cutting method includes a fluorescent lamp loading step of loading and supporting a fluorescent lamp, and moving the fluorescent lamp in the longitudinal direction of the fluorescent lamp to move the fluorescent lamp so that one end of the fluorescent lamp is in close contact with the reference plane of the gauge block. Lamp alignment step, and cutting step of cutting the cutting position of the fluorescent lamp.

The fluorescent lamp loading step supports one side and the other side of the fluorescent lamp under the fluorescent lamp, and between the fluorescent lamp alignment step and the cutting step, one side and the other side of the fluorescent lamp are mounted on the fluorescent lamp. It may further comprise a fluorescent lamp pressurizing step of pressing from the top.

The cutting may rotate the fluorescent lamp and heat the cutting position of the fluorescent lamp to be rotated.

Fluorescent lamp alignment device, fluorescent lamp seal cutting device, fluorescent lamp alignment method and fluorescent lamp seal cutting method according to the present invention is easy to align the fluorescent lamp in a relatively simple configuration can reduce the installation investment cost, shorten the process time It can work.

Hereinafter, a fluorescent lamp seal cutting device according to the present embodiment will be described in detail with reference to the accompanying drawings. In the description of the present embodiment, the terms defined are defined in consideration of functions in the present invention, and should not be understood as meanings that limit the technical components of the present invention.

1 is an exploded perspective view showing a configuration of a fluorescent lamp seal cutting device according to the present embodiment, Figure 2 is a front view showing a fluorescent lamp seal cutting device according to the present embodiment. 1 and 2, the fluorescent lamp seal cutting device 100 includes a support part 200 supporting the fluorescent lamp L from the bottom. The support part 200 includes a support roller 210 external to the lower portion of the fluorescent lamp L to support the fluorescent lamp L, and a driving module 230 to rotate the support roller 210.

The support rollers 210 are provided in plural so that one pair of support rollers 210 supports one fluorescent lamp L. The support rollers 210 are arranged such that the axis line is parallel with the axis line of the fluorescent lamp. The plurality of support rollers 210 are spaced apart in the direction crossing the longitudinal direction of the fluorescent lamp (L). The plurality of support rollers 210 are disposed to be offset from each other, and the distance between the axes of the plurality of support rollers 210 is smaller than the outer diameter of the support roller 210. Therefore, the fluorescent lamps L are externally supported by a pair of support rollers 210 adjacent to each other, and a plurality of fluorescent lamps L may be supported together by the plurality of support rollers 210.

Here, the plurality of support rollers 210 are rotated by the driving module 230, and the fluorescent lamp L is rotated according to the rotation of the support rollers 210. Therefore, the plurality of support rollers 210 are provided to have the same outer diameter, it is preferable that the distance between the axes is installed to be spaced apart from each other uniformly so that the plurality of support rollers 210 are rotated at the same rotation rate.

The drive module 230 includes a power motor 231 providing power, a driving pulley 233 rotated by the power motor 231, and a driven pulley 235 rotated according to the rotation of the driving pulley 233. , A belt 237 for transmitting the rotational force of the driving pulley 233 to the driven pulley 235. The driven pulley 235 is provided in plurality and coupled to the rotation shafts of the plurality of support rollers 210, respectively. The belt 237 is provided as a timing belt to maintain a constant rotation rate in each of the plurality of support rollers 210, and the main pulley 233 and the driven pulley 235 are preferably provided as timing pulleys, respectively.

On the other hand, the fluorescent lamp seal cutting device 100 is provided with a pressing unit 300 for pressing the fluorescent lamp (L) from the top. The pressurizing part 300 includes a pressurizing roller 310 which is circumscribed on the upper portion of the fluorescent lamp L, and an elevator 330 which raises and lowers the pressurizing roller 310.

The pressure roller 310 is provided in plurality so that a pair of pressure rollers 310 press one fluorescent lamp L. The pressure roller 310 is arranged such that the axis line is parallel with the axis line of the fluorescent lamp (L).

As described above, the support roller 210 is rotated by the driving module 230, and the fluorescent lamp L, which is external to the pair of support rollers 210, is rotated together. Therefore, it is preferable that the pair of pressure rollers 310 circumscribed to the fluorescent lamp L be provided to rotate together with the fluorescent lamp L.

The elevator 330 may use any one of an actuator including a pneumatic cylinder, a hydraulic cylinder, and an electric cylinder. The elevator 330 raises the pressure roller 310 during loading and unloading of the fluorescent lamp L to facilitate loading and unloading of the fluorescent lamp L, and sealing of the fluorescent lamp L. When the process is performed, the plurality of pressure rollers 310 are lowered to provide a pressing force toward the fluorescent lamp L side.

3 is a plan view illustrating a fluorescent lamp seal cutting device according to the present embodiment. Referring to FIG. 3, the plurality of support rollers 210 are disposed to be spaced apart from each other at the other side of the plurality of first support rollers 211 disposed on one side of the fluorescent lamp L and the fluorescent lamp L. A plurality of second and third support rollers (213, 215) are included.

In addition, the plurality of pressure rollers 310 are arranged in a plurality of longitudinal direction of the fluorescent lamp (L), the plurality of pressure rollers 310 is a plurality of first, second, third support rollers (211, 213, 215) And a plurality of first, second, and third pressure rollers 311, 313, and 315 respectively disposed at positions corresponding to the first and second pressure rollers. A plurality of first, second, and third pressure rollers 311, 313, and 315 are provided in plural, respectively, at positions corresponding to the positions of the plurality of first, second, and third support rollers 211, 213, and 215. It is preferable to arrange each.

The plurality of first, second, and third support rollers 211, 213, and 215 support the fluorescent lamp L under the fluorescent lamp L. In this case, the plurality of first, second, and third pressure rollers 311, 313, and 315 may be formed of the fluorescent lamps L supported by the plurality of first, second, and third support rollers 211, 213, and 215. Pressing one side and the other side.

Therefore, the fluorescent lamp L is not struck by its own weight, and the fluorescent lamp L rotated according to the rotation of the pair of support rollers 210 may be rotated while maintaining concentricity over its entire length.

On the other hand, the fluorescent lamp seal cutting device 100 includes an alignment unit 400 for performing the alignment of the fluorescent lamp (L). The alignment unit 400 may include a gauge block 410 providing a reference plane 411, an inclined roller 430 closely contacting the fluorescent lamp L supported on the support unit 200 with the reference plane 411, and It includes a rotation motor 450 for rotating the inclined roller 430.

The gauge block 410 is disposed on one side of the fluorescent lamp L supported by the support 200. The reference plane 411 is one surface of the gauge block 410 facing the fluorescent lamp L supported by the support part 200. The reference plane 411 is perpendicular to the axis of the fluorescent lamp L, and the flatness is guaranteed.

The inclined roller 430 is disposed between the plurality of first supporting rollers 211 and the plurality of second supporting rollers 213, and the axis is inclined with respect to the axis of the fluorescent lamp L. The inclined roller 430 is in contact with the lower portion of the fluorescent lamp (L) supported by the support portion 200 is rotated in one direction of the fluorescent lamp (L). Therefore, the fluorescent lamp (L) is transferred to the gauge block 410 side according to the rotation of the inclined roller 430, one end is in close contact with the reference surface 411, the position relative to the reference surface 411 is aligned.

The gauge block 410 and the support part 200 may be employed in addition to the fluorescent lamp seal cutting device 100 and used in a device for manufacturing the fluorescent lamp L, for example, a fluorescent lamp firing device (not shown), and the like. Could be used.

On the other hand, the fluorescent lamp seal cutting device 100 includes a cutting portion 500 for removing the unnecessary portion of the fluorescent lamp. The cutting unit 500 may include a burner 510 disposed between the plurality of second support rollers 213 and the plurality of third support rollers 215, and a supply pipe 530 that supplies fuel to the burner 510. Include. The burner 510 is fixed at a position corresponding to the cutting position of the fluorescent lamp L, and heats the cutting position of the rotating fluorescent lamp L. At this time, the distance of the burner 510 from the reference surface 411 of the gauge block 410 becomes the total length of the finished fluorescent lamp (L).

Although not shown, the cutting unit 500 may include separating means for separating the unnecessary portion of the fluorescent lamp L from the fluorescent lamp L when the cutting position of the fluorescent lamp L is heated by the burner 510. have.

Hereinafter, the operation of the fluorescent lamp seal cutting device according to the present embodiment will be described in detail with reference to the accompanying drawings. Each element mentioned below should be understood with reference to the above description and drawings.

4 is a flowchart illustrating a fluorescent lamp seal cutting method according to the present embodiment. Referring to FIG. 4, in the state where the pressure roller 310 is raised, the fluorescent lamp L is loaded into the fluorescent lamp seal cutting device 100. The fluorescent lamp L is supported by the plurality of first, second and third support rollers 211, 213 and 215 and the inclined roller 430. That is, one side of the fluorescent lamp L is supported by the plurality of first support rollers 211, and the other side thereof is supported by the plurality of second and third support rollers 213 and 215. The inclined roller 430 supports the fluorescent lamp L between the plurality of first support rollers 211 and the plurality of second support rollers 213. At this time, the fluorescent lamp (L) is a state capable of moving in the longitudinal direction of the fluorescent lamp (L). (Step S11)

 The inclined roller 430 is rotated in one direction of the fluorescent lamp (L). As the inclined roller 430 is rotated in one direction of the fluorescent lamp L, one end of the fluorescent lamp L is in close contact with the reference surface 411 of the gauge block 410. When one end of the fluorescent lamp L is in close contact with the reference plane 411, the relative position of the fluorescent lamp L with respect to the reference plane 411 is aligned.

The fluorescent lamp seal cutting device 100 as described above is a sensing means for detecting the position of the fluorescent lamp (L), the adjusting means for adjusting the position of the fluorescent lamp (L) in accordance with the position of the fluorescent lamp (L) detected by the sensing means It is possible to align the position of the fluorescent lamp (L) even if it does not include a complicated component for the alignment of the fluorescent lamp (L), such as a control means for controlling the adjusting means. The fluorescent lamp seal cutting device 100 can reduce the initial installation cost, it is possible to shorten the time of the fluorescent lamp seal cutting process. (Step; S13)

Subsequently, the plurality of first, second, and third support rollers 211, 213, 215 and the inclined roller 430 support the fluorescent lamp L from the lower side. Second and third pressure rollers 311, 313, 315 are lowered to press the fluorescent lamp (L). (Step S15)

The driving module 230 rotates the plurality of first, second, and third support rollers 211, 213, and 215. As the plurality of first, second and third support rollers 211, 213 and 215 are rotated, the fluorescent lamp L is circumscribed to the plurality of first, second and third support rollers 211, 213 and 215. Is rotated together. At this time, as the fluorescent lamp L is rotated, the plurality of first, second and third pressure rollers 311, 313, and 315 are rotated together.

As described above, the fluorescent lamp seal cutting device 100 supports the fluorescent lamp L from the bottom by the plurality of first, second, and third support rollers 211, 213, 215 and the inclined roller 430. The fluorescent lamp L is rotated while being pressed from the top by the first, second, and third pressure rollers 311, 313, and 315.

Therefore, the fluorescent lamp L is rotated while maintaining its concentricity with respect to the entire length, without being centered by its own weight.

Subsequently, the burner 510 generates a spark and heats the cutting position of the fluorescent lamp L. In the fluorescent lamp L, the cutting position becomes more flexible, and unnecessary portions of the fluorescent lamp L are separated from the fluorescent lamp L by the separating means (not shown). (Step; S17)

Although described in detail with respect to the present embodiment, in the technical field to which the present invention belongs, those of ordinary skill in the art, without departing from the spirit and scope of the invention defined in the appended claims It can be carried out by transforming. Therefore, changes in the future embodiments of the present invention will not be able to escape the technology of the present invention.

1 is an exploded perspective view showing the configuration of a fluorescent lamp seal cutting device according to the present embodiment.

2 is a front view illustrating a fluorescent lamp seal cutting device according to the present embodiment.

3 is a plan view illustrating a fluorescent lamp seal cutting device according to the present embodiment.

4 is a flowchart illustrating a fluorescent lamp seal cutting method according to the present embodiment.

<Description of Signs of Major Parts of Drawings>

100: fluorescent lamp seal cutting device 200: support

300: pressurization portion 400: alignment portion

410: gauge block 430: inclined roller

500: cutting part

Claims (13)

In the fluorescent lamp alignment device for aligning the fluorescent lamp supported in the longitudinal direction, A gauge block disposed on one side of the fluorescent lamp being supported and providing a reference plane for alignment of the fluorescent lamp; And an inclination roller provided to be rotatable, the axis being inclined with respect to the axis of the fluorescent lamp, and comprising an inclined roller for rolling the fluorescent lamp. The fluorescent lamp alignment apparatus of claim 1, wherein the inclined roller is rotated to move the fluorescent lamp in a cloud so that one end of the fluorescent lamp is in close contact with the reference plane. A support for supporting the fluorescent lamp in the longitudinal direction, A gauge block disposed on one side of the fluorescent lamp supported by the support unit and providing a reference plane for alignment of the fluorescent lamp; An inclined roller provided to be rotatable, the axis being inclined with respect to the axis of the fluorescent lamp, and rolling roller supporting the fluorescent lamp; And a cutting unit disposed at the other side of the fluorescent lamp supported by the support unit and cutting a cutting position of the fluorescent lamp. The apparatus of claim 3, wherein the support part comprises a plurality of support rollers externally disposed below the fluorescent lamp. The method of claim 4, wherein A plurality of pressure rollers circumscribed on top of the fluorescent lamp; And a lifter for elevating a plurality of the pressure rollers. The method of claim 5, wherein the plurality of the support rollers are arranged in a plurality in the longitudinal direction of the fluorescent lamp, And a plurality of pressurizing rollers are disposed at a position corresponding to a position of the plurality of support rollers arranged in a plurality of longitudinal directions of the fluorescent lamp. The method of claim 6, wherein the plurality of the support rollers disposed in a plurality in the longitudinal direction of the fluorescent lamp A plurality of first support rollers disposed on one side of the fluorescent lamp; And a plurality of second and third support rollers arranged such that the fluorescent lamps are spaced apart from each other on the other side. The apparatus of claim 7, wherein the cutting unit comprises a burner disposed between the plurality of second and third support rollers to heat the cutting position. The fluorescent lamp seal cutting apparatus of claim 8, wherein the support unit further comprises a driving module for rotating the plurality of support rollers. In the fluorescent lamp alignment method for aligning the fluorescent lamp supported in the longitudinal direction, A fluorescent lamp loading step of loading and supporting a fluorescent lamp; And a fluorescent lamp alignment step of moving the fluorescent lamp in the longitudinal direction of the fluorescent lamp to bring the fluorescent lamp into close contact with the reference plane of the gauge block. A fluorescent lamp loading step of loading and supporting a fluorescent lamp; Aligning the fluorescent lamp in the longitudinal direction of the fluorescent lamp by moving the fluorescent lamp, one end of the fluorescent lamp in close contact with the reference surface of the gauge block; And a cutting step of cutting the cutting position of the fluorescent lamp. The method of claim 11, wherein The fluorescent lamp loading step supports one side and the other side of the fluorescent lamp in the lower portion of the fluorescent lamp, And a fluorescent lamp pressing step of pressing one side and the other side of the fluorescent lamp on the upper portion of the fluorescent lamp between the fluorescent lamp alignment step and the cutting step. The method of claim 12, wherein the cutting step Rotating the fluorescent lamp and heating the cut position of the fluorescent lamp to be rotated.

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