KR20070063090A - The baking device for the fluorescent lamps - Google Patents

Abstract

A heating apparatus for fluorescent lamps is provided to perform a stable heating operation by conveying the fluorescent lamps according to a slope. A heating apparatus for fluorescent lamps includes a slope conveying unit(1), guiding units(13,15), a heating unit(7). The slope conveying unit, which is installed with a predetermined slope, conveys fluorescent lamps(L) from an upper position to a lower position along the slope. The guiding units, which are installed along the slope, guide the fluorescent lamps. The heating unit, which is installed at an upper portion of the slope conveying unit, heats the fluorescent lamps. A setting unit(5) vibrates the fluorescent lamps and sets the fluorescent lamps so as to maintain a conveying flow without a flowing error.

Description

The baking device for the fluorescent lamps

1 is a perspective view schematically showing a lamp firing apparatus according to a preferred embodiment of the present invention.

FIG. 2 is a side view of the lamp firing apparatus shown in FIG.

3 is a partial plan view of the lamp firing apparatus shown in FIG.

4 is a front view of the lamp firing apparatus shown in FIG.

FIG. 5 is a side view illustrating a state in which a lamp is inserted into and transported into a quartz tube according to another embodiment of the lamp transferring unit shown in FIG.

6 is a side view of a lamp firing apparatus according to another preferred embodiment of the present invention.

FIG. 7 is a cross-sectional view schematically illustrating a buffer unit of the lamp firing apparatus shown in FIG. 6 and a process in which heat is circulated.

* Description of the symbols for the main parts of the drawings *

 1: inclined conveying means 3: frame

5: setting means 7: heating means

9: supporting member 13,15: guide means

17: connecting bar 19: vibration member

The present invention relates to a firing apparatus for a lamp, and more particularly, to a firing apparatus for a lamp which does not require a separate driving unit by transferring the lamp in an inclined state and which can be easily sealed to prevent heat loss. .

In general, the manufacturing process of the fluorescent lamp (hereinafter referred to as a lamp) includes a process of applying a phosphor to the inside of the lamp, a process of firing the applied phosphor, a vacuum exhaust process of exhausting the internal gas of the fired lamp, and gas injection The process is then divided into sutures.

In addition, a phosphor coating device, a firing device, and an exhaust device are used for each process to perform each process of the lamp. In particular, the capillary lamp widely used as a light source for the backlight of the liquid crystal display panel can be manufactured through the above manufacturing process.

The capillary lamp is a capillary tube having an outer diameter of several mm, and includes a cold cathode lamp and an external electrode lamp.

In such a lamp, in the firing step, the lamp may be heated to a constant temperature and dried by passing a heating section in a horizontal state.

That is, a quartz tube is placed on a plurality of moving racks, and lamps are fired by rotating the quartz tubes after inserting the lamps into the quartz tubes, respectively.

Alternatively, the lamp is directly fixed to the rotary jig by O-ring without being inserted into the quartz tube, and then standing while firing while rotating.

However, this type of firing process requires a driving part such as a quartz tube or a moving rack in order to move the lamp to the firing section, so that it is difficult to seal, causing a lot of heat loss.

In addition, when the lamp is moved there is no separate guide means there is a problem that it is difficult to achieve a smooth firing when the lamp is moved in a zigzag shape.

And when firing 600 ?? The heat generated from the high temperature section is 400 It may be introduced into the cold section, in which case a problem may occur in the thermal stability of the lamp passing through the cold section.

Therefore, the present invention has been made to solve the above problems, the object according to a preferred embodiment of the present invention by applying a method for moving the lamp along the inclined surface does not require a separate drive unit, and also easy to seal The present invention provides a lamp firing apparatus capable of preventing heat loss.

Another object of the present invention is to provide a firing apparatus for a lamp so that smooth firing can be achieved by guiding in a predetermined direction during lamp transport by providing a guide means.

Still another object of the present invention is to provide a firing apparatus for a lamp so that efficient firing can be achieved by preventing the heat of a hot section from flowing into the cold section during firing.

Still another object of the present invention is to provide a sintering apparatus for a lamp which does not require a separate driving unit by transferring the lamp by an inclined transfer method in a state where the lamp is inserted into the quartz tube.

It is still another object of the present invention to provide a lamp firing apparatus capable of smoothly moving a lamp downward by applying a method of properly vibrating the lamp.

In order to achieve the above object, a firing apparatus for a lamp according to a preferred embodiment of the present invention is installed at a predetermined inclination inclination so that the lamp seated on the upper flows from the top to the bottom; Guide means for guiding the lamp by being disposed along the inclined transfer means; And heating means disposed on the inclined transfer means to heat the lamp.

The firing device of such a lamp has an advantage that it is possible to prevent heat loss because it is easy to seal because it does not need a separate drive unit by moving the lamp along the inclined surface.

Hereinafter, a firing apparatus of a lamp according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in detail.

1 is a perspective view schematically showing a lamp firing apparatus according to a preferred embodiment of the present invention, FIG. 2 is a side view of the lamp firing apparatus shown in FIG. 1, and FIG. 3 is a part of the lamp firing apparatus shown in FIG. Top view.

As shown in the drawing, the firing apparatus proposed by the present invention includes a ramp transfer means 1 having a plurality of rod shapes to transfer the lamp L in an inclined state, and a ramp that transfers along the slope transfer means 1. Setting means (5) for setting (L) by vibration, guide means (13, 15) for guiding the lamp (L) by being disposed along the inclined conveying means (1), and It is provided on the upper portion of the inclined transfer means (1) comprises a heating means (7) for sequentially supplying the heat of different temperatures to the lamp (L) for firing.

In the firing apparatus of the lamp having such a structure, the inclined transfer means 1 is arranged to be inclined to the frame (3), and the frame (3), the lamp (L) is seated on the upper surface to the lower It consists of a plurality of feed rollers 11 to slide.

The frame 3 is inclined because one side is formed high and the other side is formed relatively low. And, the upper part of the plurality of feed rollers 11 is disposed at the upper end of the frame 3, the lower part is disposed at the lower end, the feed roller 11 also has an inclined shape.

Therefore, the lamps L are moved by sliding downward along the inclined surface of the feed roller 11.

In addition, it is necessary to set the lamps L in order to smoothly move the plurality of lamps L moving in this way. That is, since the lamps L are moved by the method of rolling down by gravity, the lamps L are prevented from being stopped or caught by the guide means 13 and 15 provided at both sides in this process. It is necessary to vibrate (L) properly.

As shown in FIGS. 1 and 2, the setting means 5 includes a connecting bar 17 for integrally connecting a plurality of feed rollers 11 and a support shaft 21 for supporting the connecting bar 17. ) And a vibrating member 19 for vibrating the support shaft 21.

In the setting means having such a structure, the connecting bar 17 can be integrally fixed to the feed rollers 11 by connecting the bottom surfaces of the plurality of feed rollers 11 with each other. At this time, the connecting bar 17 is provided not only in the middle portion of the plurality of feed rollers 11 but also in the upper part or the lower part to fix the feed rollers 11 integrally.

In addition, the vibration member 19 generally includes a vibration device having a well-known structure. That is, it is a structure that generates a frequency of a constant frequency by driving a vibration source, such as a vibrator provided therein when the power supply.

The vibration wave generated by the vibration member 19 is transmitted to the plurality of feed rollers 11 through the support shaft 21.

Therefore, by appropriately vibrating the lamp (L) rolled down along the upper portion of the plurality of feed rollers 11 to prevent the lamp (L) from being caught by each other or by the guide means (13, 15) on both sides smoothly lower To move to.

On the other hand, as shown in Figures 1 and 4 on both sides of the inclined transfer means 1, the guide means (13, 15) is provided so that the lamp (L) can be transported downward in a straight line direction.

The guide means 13 and 15 are provided on both sides of the inclined transfer means 1 by being composed of a pair of guide plates 13 and 15, respectively.

Therefore, when a plurality of lamps (L) is transported to the bottom, both ends of the lamp (L) to be in contact with the side of the guide plate (13, 15) can be smoothly transferred along the straight direction.

In the above, the case in which the lamp is directly rotated on the feed roller of the inclined transfer means has been described. However, the present invention is not limited thereto, and may be transferred using a quartz tube.

That is, as shown in FIG. 5, the quartz tube T is disposed on the conveying roller 11, and the lamp L is inserted into the quartz tube T to be conveyed.

In this case, while the quartz tube T rolls down on the feed roller 11 in the inclined state, the lamp L inserted in the quartz tube T also rotates.

Therefore, the lamp L can be appropriately heated by the heating means described later in the state inserted into the quartz tube T.

In addition, since the lamp L is inserted into the quartz tube T, the lamp L may be moved along the inclined surface, thereby preventing damage to the lamp L that may occur during the transfer process.

On the other hand, the upper portion of the inclined transfer means 1 is provided with a heating means 7 for firing the lamp (L).

As shown in Fig. 1, Fig. 4 and Fig. 6, the heating means 7 is provided on the inclined transfer means 1, and the low temperature and high temperature temperature sections are arranged in sequence so that the lamp L is It will be properly baked. In addition, the heating means 7 is sealed to the outside by the blocking case (C), the blocking case (C) can prevent the heat is discharged to the outside by firing the inclined transfer means (1). .

In more detail, the heating means 7 includes a first heating part 52 for forming a low temperature section, a second heating part 56 for forming a high temperature section, a first heating part 52 and A buffer portion 54 disposed between the second heating portions 56 to prevent the heat of the second heating portions 56 from flowing into the first heating portions 52, and the heating portions 52; 56 and a blocking case C for blocking the leakage of heat by sealing the outside of the buffer unit 54.

In this heating means, the first heating portion 52 forms a low temperature section and maintains a temperature range of 350-450 °, preferably 400 °. Typically, the component of the phosphor is composed of a binder, a fluorescent substance, a solvent, a binder, and the like, and among these components, the first heating part 52 removes the binder, which is a polymer material.

The second heating part 56 forms a relatively high temperature section compared to the first heating part, and maintains the temperature of the lamp L by maintaining a temperature range of 550-650 °, preferably 600 °. Firing.

The lamp L passes through such a high temperature section to dissolve the binder in the phosphor component so that the phosphor binds to the inner wall of the glass.

In addition, the buffer unit 54 is disposed between the first heating unit 52 and the second heating unit 56, and maintains an appropriate temperature range, whereby hot air generated in the second heating unit 56 is generated. Is moved to the area of the first heating unit 52 to prevent the thermal shock from occurring.

In this case, the temperature range of the buffer unit 54 may maintain a temperature range of 350-550 ° between the temperature range of the second heating unit 56 and the temperature range of the first heating unit 52, and the second heating unit It satisfies that it is a temperature range which can prevent the heat of 56 from rising to the 1st heating part 52. FIG.

As shown in FIG. 7, at least one first and second through holes 66a and 66b are formed in upper and lower portions of the housing 65, respectively. By the first and second through holes 66a and 66b, the buffer unit 54 has a structure in communication with the inside of the blocking case C.

Therefore, the heat applied to the inclined transfer means 1 from the second heating portion 56 and used for the firing of the lamp L rises along the upper part of the inclined transfer means 1 which is inclined. Through the first through hole 66a and introduced into the buffer unit 54, the second through hole 66b is discharged to circulate.

At this time, since the air introduced into the buffer unit 54 may be burned by heat and become a heat source, continuous combustion is possible.

As a result, by arranging such a buffer unit 54, the hot heat generated in the second heating unit 56 is introduced into the buffer unit 54 by the upward airflow so as to be circulated inside the blocking case C. By preventing the movement to the heating unit 52 it can be prevented that the firing operation for the lamp (L) due to the thermal shock.

In the above, the temperature of each heating unit is limited to a predetermined temperature range, but the present invention is not limited thereto, and the temperature may be appropriately changed according to working conditions and environments.

In addition, although it demonstrated above to three heating parts, this invention is not limited to this, One and two heating parts, or four or more heating parts can also be arrange | positioned.

Meanwhile, since the first and second heating units 52 and 56 and the buffer unit 54 generate heat by applying independent heating methods, the first and second heating units 52 and 56 respectively have the same structure. Will be explained.

That is, as shown in FIGS. 1 and 4, the first heating unit 52 is connected to the housing 65 and a housing 65 in which an empty space is formed and a heater h is provided. A supply pipe 40 for discharging outside air, an injection pipe 41 connected to the supply pipe 40 to supply heated air to the lamp L, and a lamp L disposed on the other side of the injection pipe 41. It includes a discharge pipe 43 for discharging the air passing through).

Therefore, the inside of the housing 65 is heated to a predetermined temperature by the heater (h), the air supplied by the supply pipe 40 is introduced into the lamp (L) through the injection pipe 41 to the lamp (L) Fired.

Hereinafter, the operation of the lamp firing apparatus according to a preferred embodiment of the present invention with reference to the accompanying drawings will be described in more detail.

As shown in FIGS. 1 to 7, when the lamp L is fired using the lamp firing apparatus proposed by the present invention, first, the heating means 7 is driven to open in the space through which the lamp L will pass. It is supplied to maintain an appropriate heating atmosphere.

That is, air introduced into the housing 65 of each of the heating parts 52 and 56 and the buffer part 54 is heated to a predetermined temperature by the heater h provided therein.

As such, the hot air heated in each of the heating parts 52 and 56 and the buffer part 54 is injected into the injection pipes of the heating parts 52 and 56 and the buffer part 54 through the supply pipes 40, 60 and 62. 41 is injected into the area of the feed roller (11).

Therefore, the area of the feed roller 11 through which the lamp L passes will maintain the atmosphere above a predetermined temperature by the heat as described above.

In addition, the blocking case C seals the outside of the heating means 7 to prevent the heat from leaking outside, thereby increasing the thermal efficiency.

In more detail, the heat injected from the second heating part 56 to the inclined conveying means 1 rises along the upper part of the inclined conveying means 1, and the rising air flows through the first through hole ( Through the 66a) is introduced into the buffer portion 54 and discharged through the second through hole 66b to circulate.

As a result, the buffer section 54 forms a thermal buffer section between the second heating section 56 and the first heating section 52, thereby providing a gap between the first and second heating sections 52,56. The thermal shock can be prevented.

In this state, a plurality of lamps L seated on the feed roller 11 of the inclined conveying means 1 slide downward to enter the region of the heating means 7. At this time, the plurality of lamps (L) are continuously transported downward in a row on the transport roller (11).

In addition, the plurality of lamps L may be fired by heat in the process of passing through the heating units 52 and 56 and the buffer unit 54.

In addition, when the lamp L is inserted into the quartz tube T to be transported, the quartz tube T is rolled down along the feed roller 11, and at this time, the quartz tube T The lamp L inserted therein is also rotated and conveyed.

As described above, when the plurality of lamps L are transported downward, the lamps L may be transported along the straight direction by the guide means 13 and 15 provided on both sides of the inclined transport means 1.

And, such lamps (L) can be uniformly fired by moving smoothly downward by the setting means (5).

That is, when power is supplied to the vibrating member 19, a vibration source such as a vibrator provided therein is driven to generate vibration waves of a predetermined frequency. The vibration wave is transmitted to the support shaft 21 and to the connection bar 17 and the plurality of feed rollers 11.

Therefore, the plurality of feed rollers 11 vibrates at a predetermined frequency, and the lamps L mounted on the feed rollers 11 vibrate.

In this way, while the lamp L is vibrated and rolled downward by gravity, the lamp L is prevented from being caught by each other or by the guide means 13 and 15 on both sides, thereby being able to move smoothly.

As described above, the firing apparatus of the lamp according to the preferred embodiment of the present invention has the following advantages.

First, there is no need for a separate driving unit by applying a method of moving the lamp along the inclined surface, and has an advantage of preventing heat loss by providing a blocking case to facilitate sealing.

Second, there is an advantage that by providing a guide means can be smooth firing by guiding in a constant direction during lamp transfer.

Third, there is an advantage that the efficient firing can be achieved by providing a buffer section to prevent the heat of the hot section is introduced into the cold section during firing.

Fourth, it can be transported along the inclined surface in the state that the lamp is inserted into the inside of the quartz tube to prevent damage to the lamp that can occur during the transfer process.

Fifth, the lamp can be moved smoothly by moving downward in the vibrating state by the vibration method.

The present invention can be variously modified by those skilled in the art to which the present invention pertains without departing from the scope of the present invention as claimed in the claims, and is not limited to the specific preferred embodiments described above. .

Claims (10)

An inclined conveying means for allowing a lamp mounted on the upper portion to flow downward from an upper side by being installed at a predetermined inclined slope; Guide means for guiding the lamp by being disposed along the inclined transfer means; And And a heating means disposed above the inclined conveying means to heat the lamp. The firing apparatus according to claim 1, further comprising: setting means for resetting the lamp to vibrate to prevent the lamps from being caught by each other or to both guide means and to maintain the conveying flow thereof. The firing apparatus of claim 1, wherein the inclined conveying means is arranged to be inclined to the frame, and a plurality of feed rollers are mounted on the upper surface of the inclined conveying roller so as to slide downward. The firing apparatus of claim 2, wherein the setting means comprises a connection bar for integrally connecting the plurality of feed rollers, a support shaft for supporting the connection bar, and a vibration member for vibrating the support shaft. The firing apparatus of claim 1, wherein the guide means comprises a pair of guide plates, and the pair of guide plates are provided on both sides of the inclined conveying means, respectively, to guide the lamp in a predetermined direction. The lamp firing apparatus according to claim 1, wherein the heating means is divided into a plurality of temperature zones to sequentially supply and heat different temperatures of heat to a lamp passing through the temperature zone. The method of claim 1, wherein the heating means is disposed between the first heating portion for forming a low temperature section, the second heating portion for forming a high temperature section, the first heating portion and the second heating portion disposed between the second heating portion And a buffer portion for preventing heat from entering the first heating portion, the first and second heating portions, and a blocking case sealing the outside of the buffer portion. The method of claim 7, wherein the first and second through-holes are formed in the buffer portion, so that an upward airflow supplied from the second heating portion circulates through the first and second through-holes and the inside of the buffer case and the blocking case. Firing apparatus for lamps. The method of claim 7, wherein the first and second heating unit, the buffer unit is formed in the empty space therein the housing is provided with a heater, a supply pipe connected to the housing to discharge the outside air, and is connected to the supply pipe And a discharge pipe for supplying heated air to the lamp and a discharge pipe disposed on the other side of the injection pipe to discharge air passing through the lamp. The lamp firing apparatus according to claim 1, wherein the lamp can be transported while being inserted into the quartz tube.

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