CN216626085U - High-temperature oxygen-free online cyclization equipment - Google Patents
High-temperature oxygen-free online cyclization equipment Download PDFInfo
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- CN216626085U CN216626085U CN202123456436.6U CN202123456436U CN216626085U CN 216626085 U CN216626085 U CN 216626085U CN 202123456436 U CN202123456436 U CN 202123456436U CN 216626085 U CN216626085 U CN 216626085U
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Abstract
The utility model relates to high-temperature oxygen-free online cyclization equipment, wherein a transverse conveying mechanism and a uniform temperature heating system are erected in an inner cavity of a box body, the conveying mechanism comprises a plurality of uniform temperature heat conduction plates which are arranged in parallel along a conveying direction, the conveying mechanism also comprises a plurality of compression rollers which are positioned above the uniform temperature heat conduction plates and matched with the adjacent uniform temperature heat conduction plates to flatten a material film, a pressure-stabilizing nitrogen cavity is formed in an electric heating plate in the uniform temperature heating system, a plurality of nitrogen outlet holes are formed in the bottom surface of the electric heating plate in an upper heating mechanism and the top surface of the electric heating plate in a lower heating mechanism, nitrogen inlet ports communicated with the pressure-stabilizing nitrogen cavity are formed in the side walls of two sides of the electric heating plate, and a circulation pipeline is arranged outside the box body; the nitrogen is introduced into the uniform temperature heat conduction plate, so that the material is effectively prevented from being oxidized due to high temperature, the expansion caused by heat and contraction caused by cold of the uniform temperature heat conduction plate can be reduced, the uniform temperature performance of heating is improved, and uniform temperature heating of various precise materials at different temperatures under different temperature conditions can be realized.
Description
Technical Field
The utility model relates to the technical field of mechanical structures, in particular to high-temperature oxygen-free online cyclization equipment.
Background
Under the protection of inert gas, in ordinary online high temperature equipment system to material even heating to more than 300 degrees, rely on air circulation heating, reach the heating purpose, but oxygen content in the air reaches more than 20%, most materials will take place chemical reaction with oxygen after the temperature reaches more than 250 degrees, produce the oxidation, the characteristic is destroyed, the outward appearance blackens, consequently, cause the product to scrap, if do not use air circulation heating, again can lead to the unable evenly distributed of each regional temperature in the equipment, the difference in temperature is very big, the product is heated unevenly, product quality is unstable, the yield is low.
In order to ensure that the electronic material can be uniformly heated to more than 300 ℃ and is not influenced by oxidation, high-temperature oxygen-free online cyclization equipment needs to be developed.
In view of the above-mentioned drawbacks, the present designer has made active research and innovation to create a high-temperature oxygen-free online cyclization apparatus with industrial utility value.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problems, an object of the present invention is to provide a method for effectively preventing the material from being oxidized due to high temperature by introducing nitrogen into a uniform temperature heat conduction plate, and simultaneously reducing the thermal expansion and contraction of the uniform temperature heat conduction plate and improving the uniform temperature performance of heating.
The utility model relates to high-temperature oxygen-free online cyclization equipment, which comprises a box body, wherein a transverse conveying mechanism and a plurality of groups of temperature equalizing heating systems are erected in an inner cavity of the box body, each temperature equalizing heating system comprises a lower heating mechanism positioned below the conveying mechanism and an upper heating mechanism positioned above the conveying mechanism, each conveying mechanism comprises a plurality of penetrating shafts which are arranged in parallel along the conveying direction, each conveying mechanism also comprises a plurality of pressing rollers which are positioned above the penetrating shafts and matched with the adjacent penetrating shafts to prevent curling and flattening a material film, each upper heating mechanism and each lower heating mechanism comprise a hollow electric heating plate, a pressure stabilizing nitrogen cavity is formed in each electric heating plate, a plurality of nitrogen outlet holes are formed in the bottom surface of each electric heating plate in the upper heating mechanism and the top surface of each electric heating plate in the lower heating mechanism, and nitrogen inlet holes communicated with the pressure stabilizing nitrogen cavities are formed in the side walls on the two sides of each electric heating plate, the box is equipped with outward and connects a plurality ofly the circulating line of air inlet, the box be equipped with outward with the nitrogen gas flowmeter that circulating line is linked together and with the oxygen gas detector that the box inner chamber is linked together, erect the electrothermal tube in the inner chamber of electric plate, the winding position outside the electrothermal tube is in the number of turns of the heater at electrothermal tube middle part is less than and is located the number of turns of the heater at electrothermal tube both ends.
As a further improvement of the utility model, the two end bearings of the penetrating shaft and the press roller are fixed on the side plates of the conveying mechanism.
As a further improvement of the utility model, the bottom of the box body is provided with an electric cabinet.
As a further improvement of the utility model, another group of temperature-equalizing heating systems which can be lifted and lowered and are positioned above the conveying mechanism is also erected in the box body.
As a further improvement of the utility model, the electric heating plate is a high-temperature resistant aluminum plate, and the aluminum plate is coated with a uniform-temperature and anti-sticking heat-conducting coating.
By the scheme, the utility model at least has the following advantages:
1. the design of the nitrogen circulating pipeline is that the nitrogen circulating pipeline for introducing nitrogen into the electric heating plate is additionally arranged on two sides of the equipment, and before heating, nitrogen is introduced into the box body to gradually reduce the oxygen and finally reach a zero-oxygen state, so that the material is prevented from reacting with the oxygen after being heated at high temperature;
2. the nitrogen flow design, the upper layer and the lower layer of the equipment and the nitrogen circulation pipeline are provided with independent flow meters for adjusting and monitoring the current flow and achieving accurate control;
3. the oxygen concentration detection is to detect the oxygen concentration in the current equipment through an oxygen detector, and the heating can be started when the concentration reaches below 0.3 percent, so as to monitor the current oxygen concentration in real time;
4. the heat conducting coating is coated outside the aluminum plate of the electric heating plate, so that the heat of the electric heating tube in the aluminum plate is firstly conducted to the heat conducting coating and then conducted to the surface of the material film through the heat conducting coating, and the temperature is more uniform;
5. and (3) introducing nitrogen into the electric heating plate: uniformly drilling small holes with the diameter of 2mm on the side surface of the electric heating plate, introducing nitrogen, taking away the heat of the electric heating plate by using the nitrogen, and uniformly blowing the nitrogen to the surface of the material film to achieve the purpose of uniform heating;
6. using a uniform temperature type electric heating tube: the common electric heating tube has larger heat dissipation area at two ends, the heat dissipation speed is faster than that in the middle, so the temperature in the middle is about 30 degrees higher than that at two ends in the view of heat distribution, and the temperature distribution is low at two ends and high in the middle. The high-temperature cyclization equipment requires that the temperature difference of each point is controlled within +/-1 ℃, so that a uniform-temperature electric heating tube is adopted, more heating wires are wound at two ends of the electric heating tube, and less heating wires are wound in the middle of the electric heating tube. The distribution ratio can be 35% on the left, 30% in the middle and 35% on the right.
The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical solutions of the present invention more clearly understood and to implement them in accordance with the contents of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.
FIG. 1 is a perspective view of the inner cavity of the high-temperature oxygen-free type online cyclization equipment box body in the utility model;
fig. 2 is a sectional view of a group of electric heating plates of fig. 1.
1 case body 2 through shaft
3 press roller 4 electric heating plate
5 circulation pipeline 6 nitrogen gas flowmeter
7 oxygen detector 8 electrothermal tube
9 heating wire 10 side plate
11 electrical cabinet 12 lifting mechanism
13 fill nitrogen gas mouth
Detailed Description
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Examples
The high-temperature oxygen-free online cyclization equipment shown in the figures 1 and 2 comprises a box body 1, a transverse conveying mechanism and a plurality of groups of uniform-temperature heating systems are erected in an inner cavity of the box body 1, each uniform-temperature heating system comprises a lower heating mechanism positioned below the conveying mechanism and an upper heating mechanism positioned above the conveying mechanism, each conveying mechanism comprises a plurality of penetrating shafts 2 which are arranged in parallel along the conveying direction, each conveying mechanism also comprises a plurality of press rollers 3 which are positioned above the penetrating shafts 2 and are matched with the adjacent penetrating shafts 2 to flatten a material film, each upper heating mechanism and each lower heating mechanism respectively comprises a hollow electric heating plate 4, a pressure-stabilizing nitrogen cavity is formed in each electric heating plate 4, a plurality of nitrogen outlet holes are formed in the bottom surface of each electric heating plate 4 in each upper heating mechanism and the top surface of each electric heating plate 4 in each lower heating mechanism, and the upper surface and the lower surface of the material film on the penetrating shafts 2 of each conveying mechanism can be uniformly heated, simultaneously, all set up the nitrogen inlet that is linked together with steady voltage nitrogen gas chamber on the lateral wall of electric plate 4 both sides, box 1 is equipped with the circulating line 5 of connecting a plurality of nitrogen inlets outward, can guarantee the supply of nitrogen gas in electric plate 4, box 1 is equipped with the nitrogen gas flowmeter 6 that is linked together with circulating line 5 outward and the oxygen detector 7 that is linked together with box 1 inner chamber, erect electrothermal tube 8 in the inner chamber of electric plate 4, the number of turns of the winding heater 9 that is located 8 middle parts of electrothermal tube that is located 8 of electrothermal tube that electrothermal tube 8 is outer is less than the number of turns of the heater 9 that is located 8 both ends of electrothermal tube.
In the present embodiment, both end bearings of the piercing shaft 2 and the press roller 3 are fixed to the side plate 10 of the conveying mechanism.
In the present embodiment, the bottom of the box 1 is provided with an electrical cabinet 11.
In this embodiment, another set of temperature equalization heating system is erected in the box 1, which is located above the conveying mechanism and can be lifted under the driving of the lifting mechanism 12.
In this embodiment, the electric heating plate 4 is a high temperature resistant aluminum plate coated with a uniform temperature and anti-sticking thermal conductive coating.
The principle of the utility model is as follows:
1. the design of the nitrogen circulation pipeline, install the nitrogen circulation pipeline to inject nitrogen into electric hot plate additionally on both sides of container body, before heating, inject nitrogen into electric hot plate 4 in the container body through charging the nitrogen port 13, make its oxygen reduce gradually, the state of zero oxygen finally, prevent the material from reacting with oxygen after the high temperature;
2. the nitrogen flow design, the upper layer and the lower layer of the equipment and the nitrogen circulation pipeline are provided with independent flow meters for adjusting and monitoring the current flow and achieving accurate control;
3. the oxygen concentration detection is to detect the oxygen concentration in the current equipment through an oxygen detector, and the heating can be started when the concentration reaches below 0.3 percent, so as to monitor the current oxygen concentration in real time;
4. the temperature equalizing and anti-sticking heat conduction coating is coated outside the aluminum plate of the electric heating plate, so that the heat of the electric heating tube in the aluminum plate is firstly conducted to the heat conduction coating, and then is conducted to the surface of the material film through the temperature equalizing and anti-sticking heat conduction coating in a hot air heating mode, so that the temperature is more uniform;
5. and (3) introducing nitrogen into the electric heating plate: uniformly drilling small holes with the diameter of 2mm on the side surface of the electric heating plate, introducing nitrogen, taking away the heat of the electric heating plate by using the nitrogen, and uniformly blowing the nitrogen to the surface of the material film to achieve the purpose of uniform heating;
6. using a uniform temperature type electric heating tube: the common electric heating tube has larger heat dissipation area at two ends, the heat dissipation speed is faster than that in the middle, so the temperature in the middle is about 30 degrees higher than that at two ends in the view of heat distribution, and the temperature distribution is low at two ends and high in the middle. The high-temperature cyclization equipment requires that the temperature difference of each point is controlled within +/-1 ℃, so that a uniform-temperature electric heating tube is adopted, more heating wires are wound at two ends of the electric heating tube, and less heating wires are wound in the middle of the electric heating tube. The distribution ratio can be 35% on the left, 30% in the middle and 35% on the right.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly referring to the number of technical features being grined. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection: either mechanically or electrically: the terms may be directly connected or indirectly connected through an intermediate member, or may be a communication between two elements.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (5)
1. The high-temperature oxygen-free online cyclization equipment is characterized in that: the device comprises a box body (1), wherein a transverse conveying mechanism and a plurality of groups of uniform temperature heating systems are erected in an inner cavity of the box body (1), each uniform temperature heating system comprises a lower heating mechanism positioned below the conveying mechanism and an upper heating mechanism positioned above the conveying mechanism, each conveying mechanism comprises a plurality of penetrating shafts (2) which are arranged in parallel along the conveying direction, each conveying mechanism further comprises a plurality of pressing rollers (3) which are positioned above the penetrating shafts (2) and are matched with the adjacent penetrating shafts (2) to prevent the material film from being curled and flattened, each upper heating mechanism and each lower heating mechanism comprises a hollow electric heating plate (4), a pressure stabilizing nitrogen cavity is formed in each electric heating plate (4), a plurality of nitrogen outlet holes are formed in the bottom surface of each electric heating plate (4) in each upper heating mechanism and the top surface of each electric heating plate (4) in each lower heating mechanism, all seted up on the lateral wall of electric hot plate (4) both sides with the nitrogen inlet that steady voltage nitrogen gas chamber is linked together, box (1) is equipped with outward and connects a plurality ofly circulating line (5) of nitrogen inlet, box (1) be equipped with outward with nitrogen gas flowmeter (6) that circulating line (5) are linked together and with oxygen gas detection appearance (7) that box (1) inner chamber is linked together, erect electrothermal tube (8) in the inner chamber of electric hot plate (4), the outer winding of electrothermal tube (8) is located the number of turns of heating wire (9) at electrothermal tube (8) middle part is less than and is located the number of turns of heating wire (9) at electrothermal tube (8) both ends.
2. The high temperature oxygen-free type on-line cyclization apparatus of claim 1 wherein: and bearings at two ends of the penetrating shaft (2) and the pressing roller (3) are fixed on a side plate (10) of the conveying mechanism.
3. The high temperature oxygen-free type on-line cyclization apparatus of claim 1 wherein: an electrical cabinet (11) is arranged at the bottom of the box body (1).
4. The high temperature oxygen-free type on-line cyclization apparatus of claim 1 wherein: and the other group of temperature equalizing heating systems which are positioned above the conveying mechanism and can be lifted is also erected in the box body (1).
5. The high temperature oxygen-free type on-line cyclization apparatus of claim 1 wherein: the electric heating plate (4) is a high-temperature-resistant aluminum plate, and a uniform-temperature and anti-sticking heat-conducting coating is coated on the outer surface of the aluminum plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456436.6U CN216626085U (en) | 2021-12-31 | 2021-12-31 | High-temperature oxygen-free online cyclization equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123456436.6U CN216626085U (en) | 2021-12-31 | 2021-12-31 | High-temperature oxygen-free online cyclization equipment |
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| Publication Number | Publication Date |
|---|---|
| CN216626085U true CN216626085U (en) | 2022-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123456436.6U Active CN216626085U (en) | 2021-12-31 | 2021-12-31 | High-temperature oxygen-free online cyclization equipment |
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- 2021-12-31 CN CN202123456436.6U patent/CN216626085U/en active Active
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