CN201272735Y - Heating stove for glass tube - Google Patents
Heating stove for glass tube Download PDFInfo
- Publication number
- CN201272735Y CN201272735Y CNU2008201349950U CN200820134995U CN201272735Y CN 201272735 Y CN201272735 Y CN 201272735Y CN U2008201349950 U CNU2008201349950 U CN U2008201349950U CN 200820134995 U CN200820134995 U CN 200820134995U CN 201272735 Y CN201272735 Y CN 201272735Y
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- temperature
- furnace
- insulation layer
- thermal insulation
- process furnace
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Abstract
The utility model relates to a glass tube heating furnace, which comprises a furnace body casing, a heating body and a heat insulating layer, wherein the furnace body casing is a hollow casing, the heating body is arranged in the furnace body casing, and the insulating layer is arranged between the furnace body casing and the heating body. The glass tube heating furnace is characterized in that a separated space is arranged between the furnace body casing and the insulating layer to form a temperature-adjusting layer. The heat insulating surrounds the heating body, thereby enabling the center of the heating furnace to form a high temperature area generated by electric furnace heating wires to heat glass tubes placed in the high temperature area. The temperature-adjusting layer further can be separated into a plurality of temperature-adjusting areas, air through holes are arranged at the upper end and the lower end of the temperature-adjusting layer to balance the temperature of different positions. The heating furnace has the advantages of realizing easily, low casing, balanced temperature in the furnace and the like.
Description
Technical field
The utility model relates to the manufacturing machine device of power saving fluorescent lamps, the process furnace that in especially a kind of manufacturing installation glass lamp is heated.
Background technology
Our employed electricity-saving lamp is generally canals of stilling at present, in the manufacturing process of electricity-saving lamp, need carry out flexural deformation to Glass tubing, makes fluorescent tube become needed shape.Because glass is noncrystal, there is not the fixed fusing point, frangible at normal temperatures, can not bend, when temperature reaches 700 degree Celsius when above, glass can soften, so Glass tubing is carried out flexural deformation to be needed earlier glass heats to more than 700 degree Celsius.
In the production equipment of glass lamp, there is the existence of process furnace in the capital, the manual machinery device generally adopts the cylindric process furnace of horizontal positioned, lateral opening, entad arrange with many electric stove wires cylindric center, and electric stove wire is surrounded by the thermal insulation layer of asbestos material outward, makes to be formed centrally a high-temperature area in cylindric, but this process furnace can not folding, the continuous distribute heat of opening part causes the energy to waste in a large number, also causes operator's work under bad environment.Someone's a kind of new glass lamp automatic machining device that begins one's study at present, but attempt a kind of casing shape process furnace of folding, its electric stove wire can be horizontal positioned in casing, vertically arrange many, can heat many fluorescent tubes of the vertical direction in the casing like this, this process furnace can avoid heat to distribute.
These process furnace are wanted the heated glass fluorescent tube, originally all be a rectilinear long Glass tubing, so process furnace needs certain width, to hold the preceding Glass tubing of heating, under the bigger situation of width, the heat at process furnace horizontal direction different positions place distributes the degree difference, causes non-uniform temperature, glass lamp different positions softening degree after the heating is just different, in follow-up flexural deformation operation, the shape of glass lamp just is difficult to control like this, and product percent of pass will descend.So, glass lamp is processed, just must solve uneven temperature problem in the process furnace.
The utility model content
(1) technical problem that will solve
Technical problem to be solved in the utility model is an inside heating furnace uneven temperature problem in the fluorescent tube production equipment, thus a kind of process furnace that is provided with temperature-control coating is provided, to regulate the temperature at the horizontal different positions of different heating-furnace place.
(2) technical scheme
In order to solve this technical problem, the utility model is taked following scheme:
The utility model provides a kind of glass pipe heating furnace, comprise body of heater shell, heating element and thermal insulation layer, described body of heater shell is a hollow housing, described heating element is arranged in the body of heater shell, described thermal insulation layer is arranged between body of heater shell and the heating element, between described body of heater shell and the thermal insulation layer space that separates is arranged, form temperature-control coating.Thermal insulation layer is the encirclement shape to heating element, makes and is formed centrally a high-temperature zone that is produced by electric stove wire in the process furnace, is positioned over Glass tubing in the high-temperature zone with heating.Airiness in the temperature-control coating, the temperature difference that can dwindle process furnace different positions place to a certain extent.
Wherein, setting is connected in the partition of thermal insulation layer and housing in the described temperature-control coating, temperature-control coating is separated be plural separate space, forms the temperature adjustment district, and described temperature adjustment district has ventilating pit in two ends up and down, and switch-valve is installed at described ventilating pit place.Temperature-control coating is separated into a plurality of temperature adjustments district, can controls the Heating temperature at different positions place more accurately, make the Glass tubing more uniform temperature.
Wherein, described heating element is an electric stove wire, and described electric stove wire is many and is arranged in parallel or entad arranges around Glass tubing.But described body of heater shell is the closed hollow housing of folding.Described thermal insulation layer is the asbestos thermal insulation layer.
Wherein, described temperature adjustment is provided with temperature measuring gauge in the district, is connected with the signal wire of transmission temperature signal on the temperature measuring gauge, and the numerical control drive unit is installed on the described switch-valve.Temperature measuring equipment and drive unit can be realized temperature auto control, are the integral parts of automatic production device.
(3) beneficial effect
Process furnace of the present utility model, have be easy to realize, cost is low, characteristics such as temperature equalisation in the stove, particularly utilized in the cross-sectional direction of body of heater and offered the temperature that plurality of sections temperature adjustment district more helps regulating the different spaces section, can make the interior temperature of stove transfer to balance fast.
Description of drawings
Fig. 1: the structural front view of glass pipe heating furnace of the present utility model;
Fig. 2: the structure left side of glass pipe heating furnace of the present utility model is looked and is partly cutd open figure;
Fig. 3: the structure of glass pipe heating furnace of the present utility model is overlooked and is partly cutd open figure.
Among the figure, 1, the body of heater shell, 2, thermal insulation layer, 3, temperature-control coating, 4, ventilating pit, 5, burner hearth, 6, glass lamp.
Embodiment
Following examples are used to illustrate the utility model, but are not used for limiting protection domain of the present utility model.
As shown in Figure 1 and Figure 2, the fluorescent tube process furnace that a kind of fluorescent tube production equipment is used comprises body of heater shell 1, thermal insulation layer 2 and heating element; Described thermal insulation layer 2 is arranged at body of heater shell 1 near the inwall place; Described body of heater shell 1 inner chamber is to place the glass lamp 6 that is used for processing in the burner hearth 5; Be provided with temperature-control coating 3 between described body of heater shell 1 and the thermal insulation layer 2.Described thermal insulation layer can be the asbestos thermal insulation layer.Three partitions are set between described body of heater outer casing inner wall and the thermal insulation layer, make temperature-control coating form four independently temperature adjustment districts.
Preferably, described temperature adjustment district opens temperature adjustment ventilating pit 4 on the pairing body of heater shell in two ends up and down.Switch-valve can also be installed by described ventilating pit place.
Because the two ends of glass lamp horizontal direction in burner hearth and the temperature of interlude have the temperature difference, thus in the course of processing fluorescent tube inequality of being heated, make the downgrade of fluorescent tube, yield rate reduces.So we are provided with the temperature adjustment district and have just solved this problem between body of heater shell and thermal insulation layer, reduce the product quality problem that the temperature difference causes at temperature adjustment district attemperation, improve the qualification rate after glass lamp is processed.
Claims (8)
1, a kind of glass pipe heating furnace, comprise body of heater shell, heating element and thermal insulation layer, described body of heater shell is a hollow housing, described heating element is arranged in the body of heater shell, described thermal insulation layer is arranged between body of heater shell and the heating element, it is characterized in that: between described body of heater shell and the thermal insulation layer space that separates is arranged, form temperature-control coating.
2, process furnace as claimed in claim 1 is characterized in that: setting is connected in the partition of thermal insulation layer and housing in the described temperature-control coating, temperature-control coating is separated be plural separate space, forms the temperature adjustment district.
3, process furnace as claimed in claim 1 or 2 is characterized in that: but described body of heater shell is the closed hollow housing of folding.
4, process furnace as claimed in claim 1 or 2 is characterized in that: described heating element is an electric stove wire, and described electric stove wire is many and is arranged in parallel or entad arranges around Glass tubing.
5, process furnace as claimed in claim 2 is characterized in that: described temperature adjustment district has ventilating pit in two ends up and down.
6, process furnace as claimed in claim 5 is characterized in that: switch-valve is installed at described ventilating pit place.
7, process furnace as claimed in claim 1 is characterized in that: described thermal insulation layer is the asbestos thermal insulation layer.
8, process furnace as claimed in claim 6 is characterized in that: described temperature adjustment is provided with temperature measuring gauge in the district, is connected with the signal wire of transmission temperature signal on the temperature measuring gauge, and the numerical control drive unit is installed on the described switch-valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201349950U CN201272735Y (en) | 2008-09-10 | 2008-09-10 | Heating stove for glass tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201349950U CN201272735Y (en) | 2008-09-10 | 2008-09-10 | Heating stove for glass tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201272735Y true CN201272735Y (en) | 2009-07-15 |
Family
ID=40883083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201349950U Expired - Fee Related CN201272735Y (en) | 2008-09-10 | 2008-09-10 | Heating stove for glass tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201272735Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627393A (en) * | 2012-04-28 | 2012-08-08 | 张家港市云雾实业有限公司 | Perfume glass bottle heat preserving furnace |
-
2008
- 2008-09-10 CN CNU2008201349950U patent/CN201272735Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102627393A (en) * | 2012-04-28 | 2012-08-08 | 张家港市云雾实业有限公司 | Perfume glass bottle heat preserving furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090715 Termination date: 20110910 |