CN218321513U - Heating belt pull rod assembly for vacuum heat treatment furnace - Google Patents
Heating belt pull rod assembly for vacuum heat treatment furnace Download PDFInfo
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- CN218321513U CN218321513U CN202222443754.7U CN202222443754U CN218321513U CN 218321513 U CN218321513 U CN 218321513U CN 202222443754 U CN202222443754 U CN 202222443754U CN 218321513 U CN218321513 U CN 218321513U
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Abstract
The utility model discloses a heat band pull rod assembly for vacuum heat treatment furnace, including outer heat shield, the outer heat shield of second, heat shield in first, heat shield and heat band in the second, along the outer heat shield of second that the radial outside-in of outer heat shield has set gradually the tube-shape, heat shield in first and the second, equidistant between outer heat shield, the outer heat shield of second, heat shield in first and the second to be connected through a plurality of fastening device, the inboard interval of heat shield is provided with the heat band in the second. The utility model discloses a mode of spiro union is connected outer barrel of heat shield, first heat shield, second heat shield and third heat shield, can support simultaneously that they have the clearance each other, has improved thermal-insulated ability to the degree of difficulty of installation or dismantlement is low, consequently the equipment is simple.
Description
Technical Field
The utility model relates to a vacuum heat treatment furnace technical field especially relates to a heating band pull rod assembly for vacuum heat treatment furnace.
Background
The vacuum heat treatment furnace is a treatment furnace combining a vacuum technology and a heat treatment technology, and means that all or part of a heat treatment process is performed in a vacuum state. The vacuum heat treatment can realize almost all heat treatment processes, such as quenching, annealing, tempering, carburizing and nitriding, can realize gas quenching, oil quenching and the like in the quenching process, and can also carry out vacuum brazing, sintering, surface treatment and the like. The vacuum heat treatment furnace has high thermal efficiency, can realize rapid temperature rise and reduction, can realize no oxidation, no decarburization and no carburization, can remove phosphorus chips on the surface of a workpiece, and has the functions of degreasing, degassing and the like, thereby achieving the effect of bright surface purification. Generally, the processed workpiece is slowly heated in a furnace, the internal heat temperature difference is small, the thermal stress is small, the deformation is small, the product qualification rate is high, and the cost can be reduced; the degassing function is realized, so that the mechanical property of the workpiece is improved, the service life of the workpiece is prolonged, the working environment is good, the operation is safe, and no pollution or public nuisance exists; the processed workpiece has no hydrogen embrittlement risk, prevents the surface of the titanium material and the refractory metal shell from being hydrogen embrittlement, and has good stability and repeatability of the vacuum heat treatment process. The series of advantages make the vacuum heat treatment furnace more and more valued and popularized.
The heating belt is suitable for heating and insulating tanks, pipes, tanks and other containers of various industrial equipment, and mainly consists of an electric heating material, an insulating material and the like, wherein the electric heating material is a nickel-chromium alloy belt, and has the characteristics of quick heating, high heat efficiency, long service life and the like, and the insulating material is a multilayer alkali-free glass fiber and has good temperature resistance and reliable insulating property.
In the vacuum heat treatment furnace at the present stage, the heating belt pull rod assemblies of the furnace body are mostly connected in a welding or rivet riveting manner, as shown in the patent document with the publication number of CN212741461U, the difficulty of installation or disassembly is high, and the assembly is complicated.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a heating band pull rod assembly for vacuum heat treatment furnace just lies in solving above-mentioned problem, adopts the mode of spiro union to be connected the outer barrel of heat shield, first heat shield, second heat shield and third heat shield, can support simultaneously that they have the clearance each other, has improved thermal-insulated ability to the degree of difficulty of installation or dismantlement is low, consequently assembles simply.
The utility model discloses a following technical scheme realizes above-mentioned purpose:
the utility model provides a heat band pull rod assembly for vacuum heat treatment furnace, including outer heat shield, the heat shield outside the second, heat shield in the first, heat shield in the second, heat shield and heat band in the second, the outer heat shield of second of tube-shape has set gradually along outer heat shield's radial outside-in, heat shield in first interior heat shield and the second, outer heat shield, the outer heat shield of second, equidistant between heat shield in first interior heat shield and the second, and be connected through a plurality of fastening device, the inboard interval of heat shield in the second is provided with the heat band, each fastening device is connected with the molybdenum frame through the fastener, the molybdenum frame passes through the connecting piece and is connected with the heat band.
Preferably, fastening device mainly by first screw rod, first nut, first connecting block, separate disconnected piece and second connecting block and constitute, it is a plurality of to cut off the piece, and be located between first connecting block and the second connecting block, first connecting block, separate disconnected piece and second connecting block and pass through first screw rod and first nut fastening connection, outer heat shield is located between first connecting block and the disconnected piece, and laminate mutually, outer heat shield of second and first interior heat shield are located respectively between two adjacent disconnected pieces, and laminate mutually, the heat shield is located between disconnected piece and the second connecting block in the second, and laminate mutually, the fastener is connected with the second connecting block.
Preferably, the fastener mainly comprises a second screw rod, a second nut, a third nut and a gasket, the gasket is located on the inner side of the molybdenum frame, the second screw rods are multiple, one end of each second screw rod penetrates through the molybdenum frame and the gasket, the second nut and the third nut are respectively screwed on one end of each second screw rod penetrating through the molybdenum frame and the gasket and the rod body, and the other end of each second screw rod is screwed with the second connecting block.
Preferably, the second screw rod is screwed with a reinforcing nut close to the rod body at one end connected with the second connecting block.
Preferably, the connecting piece is a molybdenum button wire.
The utility model provides a technical scheme can include following beneficial effect:
arranging a first connecting block, a partition block and a second connecting block, simultaneously enabling an outer heat shield, a second outer heat shield, a first inner heat shield and a second inner heat shield to be attached to the first connecting block, the partition block and the second connecting block, then utilizing a first screw to penetrate through the first connecting block, the partition block, the second connecting block and the outer heat shield, the second outer heat shield, the first inner heat shield and the second inner heat shield, fastening the first screw and the second inner heat shield through first nuts screwed at two ends of the first screw, screwing a plurality of second screws and the second connecting block to be fixed on the second connecting block, then penetrating the second screw through a molybdenum frame and a gasket, and then fastening the molybdenum frame and the gasket through the second nut and a third nut, thereby connecting the second connecting block and the molybdenum frame, increasing the connection stability through the gasket, connecting a heating belt and the molybdenum frame through a connecting piece, and being low in difficulty in screwing installation or disassembly, so that the assembly is simple.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the tie rod assembly of the present invention.
The reference numerals are illustrated below:
1. a first screw; 2. a first nut; 3. a second screw; 4. a molybdenum frame; 5. a first connection block; 6. a blocking block; 7. a second connecting block; 8. reinforcing the nut; 9. a second nut; 10. a third nut; 11. a gasket; 12. an outer heat shield; 13. a second outer heat shield; 14. a first inner thermal insulation shield; 15. a second inner heat insulation screen; 16. heating the tape; 17. a connecting member.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the attached fig. 1, and are only for convenience of description of the present invention and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1-2, a heating belt tie rod assembly for a vacuum heat treatment furnace comprises an outer heat shield 12, a second outer heat shield 13, a first inner heat shield 14, a second inner heat shield 15 and a heating belt 16, wherein the outer heat shield 12, the first inner heat shield 14 and the second inner heat shield 15 are sequentially arranged in a cylindrical shape from outside to inside in a radial direction of the outer heat shield 12, the second outer heat shield 13, the first inner heat shield 14 and the second inner heat shield 15 are equally spaced and connected through a plurality of fastening mechanisms, the heating belt 16 is arranged at an inner side of the second inner heat shield 15, and specifically, the outer heat shield 12, the second outer heat shield 13, the first inner heat shield 14, the second inner heat shield 15 and the heating belt 16 have gaps with each other, so that the heat insulation capability is improved, each fastening mechanism is connected with a molybdenum frame 4 through a fastening member, and the molybdenum frame 4 is connected with the heating belt 16 through a connecting member 17.
In this embodiment, the outer heat shield 12 and the second outer heat shield 13 are made of 304 stainless steel material having high compactness, oxidation resistance, corrosion resistance and heat resistance because the ambient temperature during the operation is relatively low, and the first inner heat shield 14 and the second inner heat shield 15 are disposed inside the furnace body near the heating zone 16 and have high ambient temperature during the operation, so that the outer heat shield is made of high temperature resistant molybdenum material and the manufacturing cost of the vacuum heat treatment furnace is reduced.
Further, fastening device mainly by first screw rod 1, first nut 2, first connecting block 5, cut off piece 6 and second connecting block 7 and constitute, it is a plurality of to cut off piece 6, and be located between first connecting block 5 and the second connecting block 7, first connecting block 5, cut off piece 6 and second connecting block 7 through first screw rod 1 and 2 fastening connection of first nut, outer heat screen 12 is located between first connecting block 5 and the partition piece 6, and laminate mutually, heat screen 13 and first interior heat screen 14 are located adjacent two respectively and separate between piece 6 in the second, and laminate mutually, heat screen 15 is located between partition piece 6 and the second connecting block 7 in the second, and laminate mutually, the fastener is connected with second connecting block 7.
Specifically, the first connecting block 5, the partition block 6 and the second connecting block 7 are arranged, the outer heat shield 12, the second outer heat shield 13, the first inner heat shield 14 and the second inner heat shield 15 are attached to the first connecting block 5, the partition block 6 and the second connecting block 7, then the first screw 1 penetrates through the first connecting block 5, the partition block 6 and the second connecting block 7, the outer heat shield 12, the second outer heat shield 13, the first inner heat shield 14 and the second inner heat shield 15, the first nuts 2 screwed at two ends of the first screw 1 are used for fastening the first screws, the difficulty of screwing installation or dismounting is low, and therefore assembly is simple.
Furthermore, the fastener mainly comprises a second screw rod 3, a second nut 9, a third nut 10 and a gasket 11, the gasket 11 is located on the inner side of the molybdenum frame 4, the number of the second screw rods 3 is multiple, one end of each second screw rod 3 penetrates through the molybdenum frame 4 and the gasket 11, the second nut 9 and the third nut 10 are respectively screwed on one end of each second screw rod 3 penetrating through the molybdenum frame 4 and the gasket 11 and a rod body, and the other end of each second screw rod 3 is screwed with the second connecting block 7.
Specifically, thereby many second screw rods 3 and the spiro union of second connecting block 7 are fixed in on second connecting block 7, then pass molybdenum frame 4 and gasket 11 with second screw rod 3 again, fasten molybdenum frame 4 and gasket 11 through second nut 9 and third nut 10 after that to make second connecting block 7 be connected with molybdenum frame 4, can increase the firm of connecting through gasket 11, the difficulty of spiro union installation or dismantlement is low, consequently the equipment is simple.
Furthermore, a reinforcing nut 8 is screwed on the rod body of one end of the second screw rod 3, which is close to the second connecting block 7.
Specifically, the fastening of the reinforcing nut 8 can improve the stability of the connection between the second screw 3 and the second connecting block 7.
Further, the connecting member 17 is a molybdenum button wire.
Specifically, the molybdenum buckle wires penetrate through the molybdenum frame 4 to connect the heating belt 16 with the molybdenum frame 4, and the connection is simple and reliable.
In the structure, through first screw 1 with first connecting block 5, cut off piece 6 and the series connection of second connecting block 7, simultaneously with first connecting block 5 and cut off the outer heat screen 12 between the piece 6, cut off the piece 6 and cut off the second between the piece 6 outer heat screen 13 and the first interior heat screen 14 and the piece 6 and cut off the second between piece 6 and the second connecting block 15 through the fastening of first nut 2, be connected second connecting block 7 and molybdenum frame 4 through the fastener simultaneously, the rethread connecting piece 17 is connected heat band 16 and molybdenum frame 4, thereby reach thermal-insulated reliable, insulating reliable, fixed reliable effect.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The utility model provides a heat band pull rod assembly for vacuum heat treatment furnace, including outer heat shield (12), the outer heat shield of second (13), first interior heat shield (14), second interior heat shield (15) and heat band (16), radially outside-in along outer heat shield (12) has set gradually the outer heat shield of tube-shape (13), first interior heat shield (14) and second interior heat shield (15), outer heat shield (12), the outer heat shield of second (13), equidistant between first interior heat shield (14) and the second interior heat shield (15), and connect through a plurality of fastening device, heat band (16) are provided with to the inboard interval of heat shield (15) in the second, each fastening device is connected with molybdenum frame (4) through fastener, molybdenum frame (4) are connected with heat band (16) through connecting piece (17).
2. The heating belt tie assembly of claim 1, wherein: fastening device mainly comprises first screw rod (1), first nut (2), first connecting block (5), cut off piece (6) and second connecting block (7) and constitute, it is a plurality of to cut off piece (6), and be located between first connecting block (5) and second connecting block (7), first connecting block (5), cut off piece (6) and second connecting block (7) through first screw rod (1) and first nut (2) fastening connection, outer heat shield (12) are located between first connecting block (5) and cut off piece (6), and laminate mutually, outer heat shield of second (13) and first interior heat shield (14) are located between two adjacent cut off pieces (6) respectively, and laminate mutually, heat shield (15) are located between cut off piece (6) and second connecting block (7) in the second, and laminate mutually, the fastener is connected with second connecting block (7).
3. The heater band tie assembly of claim 1, wherein: the fastener mainly comprises second screw rod (3), second nut (9), third nut (10) and gasket (11), gasket (11) are located molybdenum frame (4) inboard, second screw rod (3) are a plurality of, and molybdenum frame (4) and gasket (11) are passed to second screw rod (3) one end, second screw rod (3) pass one end and the pole body of molybdenum frame (4) and gasket (11) spiro union respectively have second nut (9) and third nut (10), second screw rod (3) other end and second connecting block (7) spiro union.
4. The heater band tie assembly of claim 3, wherein: the second screw rod (3) is screwed with a reinforcing nut (8) close to the rod body connected with one end of the second connecting block (7).
5. The heating belt tie assembly of claim 1, wherein: the connecting piece (17) is a molybdenum buckle wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222443754.7U CN218321513U (en) | 2022-09-15 | 2022-09-15 | Heating belt pull rod assembly for vacuum heat treatment furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222443754.7U CN218321513U (en) | 2022-09-15 | 2022-09-15 | Heating belt pull rod assembly for vacuum heat treatment furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218321513U true CN218321513U (en) | 2023-01-17 |
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ID=84837387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222443754.7U Active CN218321513U (en) | 2022-09-15 | 2022-09-15 | Heating belt pull rod assembly for vacuum heat treatment furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218321513U (en) |
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2022
- 2022-09-15 CN CN202222443754.7U patent/CN218321513U/en active Active
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