CN211702442U - 300-DEG C500-DEG C high-temperature electric heating roller - Google Patents
300-DEG C500-DEG C high-temperature electric heating roller Download PDFInfo
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- CN211702442U CN211702442U CN202020375759.9U CN202020375759U CN211702442U CN 211702442 U CN211702442 U CN 211702442U CN 202020375759 U CN202020375759 U CN 202020375759U CN 211702442 U CN211702442 U CN 211702442U
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Abstract
The utility model belongs to the technical field of warming mill device technique and specifically relates to a 300 supplyes 500 ℃ high temperature electric heating roller. The high-temperature electric heating roller comprises a roller shaft, a flange and an outer roller body, wherein the outer roller body is supported on the roller shaft through the flange, an inner roller body is arranged on the inner side of the outer roller body, a heating cavity is formed among the outer roller body, the inner roller body and the flange, and a heating pipe and a low-melting-point nonferrous metal block are arranged in the heating cavity; a high melting point nonferrous metal ring is arranged between the connecting surface of the flange and the outer roller body. The utility model discloses a 300 increase with money 500 ℃ high temperature electric heating roller adopts the high-efficient heat conduction of the fluid that forms behind the low temperature non ferrous metal piece high temperature heating, and outer roller surface temperature can reach about 500 ℃, and heating temperature is stable, and the precision is high, and the security is strong, and the non ferrous metal liquid of low melting point is difficult for the seepage under the effect of electric heating pipe, first sheath, second sheath and high melting point non ferrous metal ring in the heating process.
Description
Technical Field
The utility model belongs to the technical field of warming mill device technique and specifically relates to a 300 supplyes 500 ℃ high temperature electric heating roller.
Background
With the breakthrough of the continuous carbon fiber prepreg production technology, the heating roller has attracted extensive attention as a core component of production equipment in the field. The heating rollers commonly seen in China are mainly divided into three categories: oil-heated rollers, steam-heated rollers, and electrically heated rollers. When the heating roller is used, the maximum heating temperature is generally below 150 ℃, and the manufacturing requirements of the product process in the high-temperature field are difficult to meet.
Chinese patent CN201813575U authorizes an electric heating high temperature roller of bulletin, adopt magnetic conductive material to make, the electric heating pipe by between bush and the roll body produces the heat, the heat heating low melting point metal block that electric heating pipe produced, the low melting point metal block that has melted becomes high temperature liquid and is the roll body inner wall, the roll body heats, the flow distribution plate prevents the roll body temperature inhomogeneous, prevent that the roll body intermediate temperature is high, the phenomenon that both ends temperature is low, this technical scheme has that the roll body temperature is high, the security is good, the advantage that heat exchange efficiency is high. However, the technical scheme still has at least the following defects when in use: (1) the low melting point metal block has a leakage risk when being heated at high temperature to become fluid; (2) the heating pipe is easy to deform during cold and hot alternation, which causes the whole deformation of the electric heating roller to change, and influences the precision and the service life of the electric heating roller.
Therefore, how to provide a 300-plus-500 ℃ high-temperature electric heating roller, the heating temperature can reach about 500 ℃, the sealing performance is good, the low-melting-point metal block is not easy to leak when being heated at high temperature to become fluid, the deformation amount when the heating pipe is heated alternately cold and hot is very small, the heating temperature is stable, the precision is high, and the safety is strong, which is a technical problem to be solved urgently by the technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a 300 supplyes 500 ℃ high temperature electric heating roller, overcome among the aforementioned prior art low melting point metal piece and exist when the high temperature heating becomes the fluid and leak risk, heating pipe cold and hot when in turn produce deformation easily etc. not enough.
The utility model provides a technical scheme that its technical problem adopted is:
A300-plus-500-DEG C high-temperature electric heating roller comprises a roller shaft, a flange and an outer roller body, wherein the outer roller body is supported on the roller shaft through the flange, an inner roller body is arranged on the inner side of the outer roller body, a sealed heating cavity is formed among the outer roller body, the inner roller body and the flange, and a heating pipe and a low-melting-point nonferrous metal block are arranged in the heating cavity; a high-melting-point nonferrous metal ring is arranged between the connecting surface of the flange and the outer roller body; when the heating device is used, the 300-plus-500-DEG C high-temperature electric heating roller rotates on equipment along the circumferential direction, the heating pipe heats, heat is transferred to the low-melting-point nonferrous metal block, after the heating temperature of the heating pipe reaches more than 200 ℃, the low-melting-point nonferrous metal block is melted to form liquid, the heating pipe is heated continuously, and under the rotating action of the electric heating roller, the fluid low-melting-point nonferrous metal is uniformly distributed in the heating cavity and transfers the heat to the outer roller body, so that the surface temperature of the outer roller body reaches about 500 ℃; in the whole heating process, the high-melting-point non-ferrous metal ring structure is stable, the characteristics of high melting point and high expansion coefficient of the high-melting-point non-ferrous metal ring structure promote the high-melting-point non-ferrous metal ring structure to form good sealing effect and heat conduction effect on the heating cavity, and further promote the temperature rise on the working surface of the outer roller body.
Furthermore, an annular groove is formed in the outer wall of the flange or/and the inner wall of the outer roller body, the high-melting-point non-ferrous metal ring is arranged in the annular groove, and the arrangement mode of the annular groove is favorable for preventing the low-melting-point non-ferrous metal from leaking in the heating process of the 300-plus-500-DEG C high-temperature electric heating roller.
Furthermore, a mounting hole is formed in the flange, the heating pipe is installed into the heating cavity through the mounting hole of the flange, and the heating pipe is fixed and supported through the mounting hole.
Further, the outer wall of heating pipe is provided with first sheath, the spacer sleeve is equipped with the second sheath on the first sheath of heating pipe, and first sheath and second sheath all adopt high temperature resistant heat conduction material to make, the deflection when can effectively preventing the heating pipe cold and hot in turn to reduce the whole deflection of electrical heating roller, improve electrical heating roller accuracy of use and life-span.
Furthermore, the aperture of the mounting hole is smaller than the distance from the outer roller body to the inner roller body, the outer diameter of the first sheath of the heating pipe is matched with the aperture of the mounting hole, and the outer diameter of the second sheath is matched with the distance from the outer roller body to the inner roller body.
Furthermore, the heating pipe is a sectional temperature control type heating pipe, the sectional temperature control type heating pipe replaces a traditional single heating mode heating pipe, the temperature stability and uniformity of the roller surface are improved, heat is generated through high-efficiency conversion of clean electric energy, and heating energy is provided for the working surface of the roller body outside the electric heating roller.
Further, the low melting point nonferrous metal block has a melting point of less than 350 ℃.
Further, the melting point of the ring of the high melting point nonferrous metal is greater than 600 ℃.
The utility model has the advantages that: compared with the prior art, the utility model discloses a 300 supplyes 500 ℃ high temperature electric heating roller has following advantage: the high-efficiency heat conduction of fluid formed after the low-temperature non-ferrous metal block is heated at high temperature is adopted, the surface temperature of the outer roller body can reach about 500 ℃, the heating temperature is stable, the precision is high, the safety is high, and the non-ferrous metal liquid with the low melting point is not easy to leak under the action of the electric heating pipe, the first sheath, the second sheath and the high-melting-point non-ferrous metal ring in the heating process.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of area A of FIG. 1 according to the present invention;
wherein, 1 roller, 2 flanges, 3 outer roll bodies, 4 interior roll bodies, 5 heating pipes, 6 high melting point non-ferrous metal rings, 7 annular grooves, 8 mounting holes, 9 second sheaths, 10 low melting point non-ferrous metal blocks, 11 first sheaths.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.
In the embodiment shown in fig. 1 and 2, the 300-and 500-DEG C high-temperature electric heating roller comprises a roller shaft 1, a flange 2 and an outer roller body 3, wherein the outer roller body 3 is supported on the roller shaft 1 through the flange 2, an inner roller body 4 is arranged on the inner side of the outer roller body 3, a heating cavity is formed among the outer roller body 3, the inner roller body 4 and the flange 2, and a heating pipe 5 and a low-melting-point nonferrous metal block 10 are arranged in the heating cavity; a high-melting-point nonferrous metal ring 6 is arranged between the connecting surface of the flange 2 and the outer roller body 3; during the use, 300 supplyes 500 ℃ high temperature electricity warming mill and rotates along circumference on equipment, heating pipe 5 heats, the heat transfer is to low melting point non ferrous metal piece 10, after heating pipe 5 heating temperature reached more than 200 ℃, low melting point non ferrous metal piece 10 is melted and is formed liquid, heating pipe 5 continues to heat, under the rotation effect of electricity warming mill, fluid non ferrous metal evenly distributed, after the fluid non ferrous metal absorbs heat, heat transfer to outer roller body 3, make outer roller body 3 surface temperature reach about 500 ℃, in whole heating process, high melting point non ferrous metal ring 6 structure is firm, form good sealing function and heat conduction to the heating chamber, further promote the promotion of temperature on the outer roller body 3 working face.
In this embodiment, an annular groove 7 is formed in the outer wall of the flange 2 or/and the inner wall of the outer roller 3, the high melting point non-ferrous metal ring 6 is installed in the annular groove 7, and the annular groove 7 is arranged in a manner that is favorable for preventing the low melting point non-ferrous metal of the liquid from leaking in the heating process of the high temperature electric heating roller.
In this embodiment, the flange 2 is provided with a mounting hole 8, the heating pipe 5 is installed in the heating cavity through the mounting hole 8 of the flange 2, and the heating pipe 5 is fixed and supported through the mounting hole 8.
In this embodiment, the outer wall of heating pipe 5 is provided with first sheath 11, spacer sleeve is equipped with second sheath 9 on heating pipe 5, and first sheath 11 and second sheath 9 all adopt high temperature resistant heat conduction material to make, can effectively prevent the deflection when heating pipe 5 cold and hot is in turn to reduce the whole deflection of electric heating roller, improve electric heating roller use accuracy and life-span.
In this embodiment, the aperture of the mounting hole 8 is smaller than the distance between the outer roller body 3 and the inner roller body 4, the outer diameter of the first sheath 11 of the heating pipe 5 is matched with the aperture of the mounting hole 8, and the outer diameter of the second sheath 9 is matched with the distance between the outer roller body 3 and the inner roller body 4.
In this embodiment, heating pipe 5 is the segmentation accuse temperature formula heating pipe, and the segmentation accuse temperature formula heating pipe replaces the heating pipe of traditional single heating methods, has promoted roll surface temperature stability and homogeneity, produces the heat through clean high-efficient conversion of electric energy to the working face of the outer roll body 3 of electrical heating roller provides the heating energy.
In the embodiment, the outer roller body 3, the flange 2 and the inner roller body 4 are welded and fixed, and the workpiece has comprehensive mechanical properties through quenching and tempering, and has the characteristics of high heat-resistant strength, good thermal stability, low thermal expansion coefficient, no damage to defects and the like; the outer roller body 3 and the inner roller body 4 are made of high-quality alloy structural steel, and have the advantages of less impurities, high heat stability and heat strength, low thermal expansion coefficient, good heat conductivity and the like, the outer roller body 3 has comprehensive mechanical properties through quenching and tempering heat treatment, and the hardness, wear resistance and corrosion resistance of the working surface of the heating roller are further improved by adopting an NMIP advanced metal surface modification technology.
The working principle is as follows: the utility model discloses a 300 increase with sand 500 ℃ high temperature electricity warming mill, in using, 300 increase with sand 500 ℃ high temperature electricity warming mill is rotatory along circumference on equipment, heating pipe 5 heating, heat transfer to low melting point non ferrous metal piece 10, heating pipe 5 heating temperature reaches more than 200 ℃, low melting point non ferrous metal piece 10 is melted and is formed liquid, heating pipe 5 continues to heat, under the rotation of electricity warming mill, fluid non ferrous metal evenly distributed, with heat transfer to outer roller body 3 after the fluid non ferrous metal endotherm, make outer roller body 3 surface temperature reach about 500 ℃, in whole heating process, high melting point non ferrous metal ring 6 structure is firm, form good sealing action and heat conduction effect to the heating chamber, further promote the promotion of the temperature on the 3 working faces of outer roller body.
The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.
Claims (9)
1. A300-plus-500 ℃ high-temperature electric heating roller is characterized in that: the heating device comprises a roll shaft, a flange and an outer roll body, wherein the outer roll body is supported on the roll shaft through the flange, an inner roll body is arranged on the inner side of the outer roll body, a heating cavity is formed among the outer roll body, the inner roll body and the flange, and a heating pipe and a low-melting-point nonferrous metal block are arranged in the heating cavity; and a high-melting-point nonferrous metal ring is arranged between the connecting surface of the flange and the outer roller body.
2. The 300-500 ℃ high temperature electric heating roller as set forth in claim 1, which is characterized in that: an annular groove is formed in the outer wall of the flange or/and the inner wall of the outer roller body, and the high-melting-point non-ferrous metal ring is arranged in the annular groove.
3. The 300-500 ℃ high temperature electric heating roller as set forth in claim 1, which is characterized in that: the flange is provided with a mounting hole, the heating pipe is arranged in the heating cavity through the mounting hole of the flange, and the heating pipe is fixed and supported through the mounting hole.
4. The 300-500 ℃ high temperature electric heating roller as set forth in claim 1, which is characterized in that: the outer wall of the heating pipe is provided with a first sheath.
5. The 300-500 ℃ high temperature electric heating roller as set forth in claim 4, which comprises: and a second sheath is sleeved on the first sheath of the heating pipe at intervals.
6. The 300-500 ℃ high temperature electric heating roller as set forth in claim 3, which is characterized in that: the aperture of the mounting hole is smaller than the distance from the outer roller body to the inner roller body, the outer diameter of the first sheath of the heating pipe is matched with the aperture of the mounting hole, and the outer diameter of the second sheath is matched with the distance from the outer roller body to the inner roller body.
7. The 300-500 ℃ high temperature electric heating roller as set forth in claim 1, which is characterized in that: the heating pipe is a sectional temperature control type heating pipe.
8. The 300-500 ℃ high temperature electric heating roller as set forth in claim 1, which is characterized in that: the low melting point nonferrous metal block has a melting point of less than 350 ℃.
9. The 300-500 ℃ high temperature electric heating roller as set forth in claim 1, which is characterized in that: the melting point of the high melting point non-ferrous metal ring is greater than 600 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375759.9U CN211702442U (en) | 2020-03-23 | 2020-03-23 | 300-DEG C500-DEG C high-temperature electric heating roller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020375759.9U CN211702442U (en) | 2020-03-23 | 2020-03-23 | 300-DEG C500-DEG C high-temperature electric heating roller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211702442U true CN211702442U (en) | 2020-10-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020375759.9U Active CN211702442U (en) | 2020-03-23 | 2020-03-23 | 300-DEG C500-DEG C high-temperature electric heating roller |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211702442U (en) |
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2020
- 2020-03-23 CN CN202020375759.9U patent/CN211702442U/en active Active
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