CN219474251U - Muffle furnace for heat treatment processing of seamless steel tube - Google Patents
Muffle furnace for heat treatment processing of seamless steel tube Download PDFInfo
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- CN219474251U CN219474251U CN202320444634.0U CN202320444634U CN219474251U CN 219474251 U CN219474251 U CN 219474251U CN 202320444634 U CN202320444634 U CN 202320444634U CN 219474251 U CN219474251 U CN 219474251U
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- seamless steel
- heat treatment
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- 238000010438 heat treatment Methods 0.000 title claims abstract description 56
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 24
- 239000010959 steel Substances 0.000 title claims abstract description 24
- 230000017525 heat dissipation Effects 0.000 claims description 15
- 230000001681 protective effect Effects 0.000 claims description 13
- 238000001816 cooling Methods 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 9
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 239000004020 conductor Substances 0.000 description 10
- 238000012423 maintenance Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The utility model relates to a muffle furnace for heat treatment processing of a seamless steel tube, which comprises a furnace body, wherein a conductive wire is arranged outside the furnace body, a heating element is arranged inside the furnace body, a conductive rod is arranged between the conductive wire and the heating element, an insulating sleeve is sleeved outside the furnace body by the conductive rod, fixing devices are arranged on two sides of the inside of the furnace body by the insulating sleeve, a radiating hole is arranged at the top of the furnace body, a radiating pipe is arranged at the top of the radiating pipe, an exhaust fan is arranged at the top of the radiating pipe, a baffle plate is arranged in the radiating pipe in a sliding manner, a push-pull device is arranged on one side of the baffle plate, the conductive wire and the heating element are respectively arranged on the inner side and the outer side of the furnace body through the insulating sleeve and the conductive rod, the convenience of installation and overhaul of the conductive wire and the heating element is improved, the service lives of the conductive wire and the heating element can be prolonged by preventing the conductive wire from being baked at high temperature, and hot air is firstly radiated out after the heat treatment of the seamless steel tube is arranged, and the occurrence of a human-hurting event is prevented when the furnace body is opened.
Description
Technical Field
The utility model relates to the technical field of muffle furnaces, in particular to a muffle furnace for heat treatment processing of a seamless steel tube.
Background
In the muffle furnace for carrying out heat treatment processing of seamless steel pipes, a heating element positioned in the muffle furnace is in a high-temperature environment for a long time, is easy to fail and needs to be replaced irregularly, and because a wire is directly connected with the heating element, the whole wire needs to be moved when the heating element is replaced, but because the length of the wire is longer and the weight of the wire is heavier, the whole wire is moved, so that the heating element is inconvenient to replace. And, in order to keep the temperature in the muffle, the junction of heating element and wire needs to be sealed in the muffle, leads to the wire to be in the inside high temperature of muffle for a long time with the part that heating element is connected, but the wire can't bear high temperature, takes place to damage easily, can take place to expand after the air heating of muffle inner chamber simultaneously, gushes out to the place ahead of muffle through the opening of furnace body, consequently directly opens the furnace body, and the heat in the furnace is very easy through air burn operating personnel.
Disclosure of Invention
(one) solving the technical problems
Aiming at the problems in the prior art, the utility model provides a muffle furnace for heat treatment processing of a seamless steel tube, which aims to solve the technical problems in the background art.
(II) technical scheme
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a muffle furnace for seamless steel pipe heat treatment processing, includes the furnace body, the furnace body outside is equipped with the conductor wire, the inside heating element that is equipped with of furnace body, be equipped with the conductor bar between conductor wire and the heating element, the conductor bar runs through the furnace body, just the conductor bar is equipped with insulating sleeve in furnace body outside cover, insulating sleeve is provided with fixing device in the inside both sides of furnace body, the furnace body top is equipped with the louvre, the louvre top is equipped with the cooling tube, the cooling tube top is equipped with the air discharge fan, the intraductal slip of cooling is equipped with the baffle, baffle one side is equipped with push-pull device, through insulating sleeve and conductor bar, sets up conductor wire and heating element respectively in the inside and outside both sides of furnace body, has improved the convenience of conductor wire and heating element installation and maintenance, avoids the conductor wire to receive the high temperature and toast can prolong the life of conductor wire and heating element, through setting up louvre, cooling tube and air discharge fan, at the back of seamless steel pipe heat treatment, when preventing to open the furnace body at first, the emergence of people accident is wounded to the steam.
Preferably, one end of the conducting wire is provided with a first connecting portion, two sides of the first connecting portion are provided with first nuts, one end of the heating element is provided with a second connecting portion, two sides of the second connecting portion are provided with second nuts, the first connecting portion, the second nuts and the second connecting portion are connected with the conducting rod through threads, and the conducting rod, the conducting wire, the conducting rod and the heating element are convenient to install and detach through the first nuts, the first connecting portion, the second nuts and the second connecting portion.
In a further preferred embodiment, the fixing device includes a clamping block and a clamping groove, the clamping block and the clamping groove are arranged on the insulating sleeve and are respectively arranged on the inner side and the outer side of the furnace body, a clamping plate is arranged in the clamping groove, a clamping bolt is arranged on the clamping plate, and the position of the insulating sleeve on the furnace body is limited by arranging the clamping block, the clamping plate and the clamping bolt, so that the insulating sleeve is prevented from moving.
In a further preferred embodiment, the push-pull device comprises a push-pull rod, the push-pull rod is fixedly arranged at one end of the baffle, a fixed block is arranged above the furnace body, the baffle penetrates through the fixed block, a push-pull spring is sleeved on the push-pull rod, one end of the push-pull spring is fixedly connected with the fixed block, the other end of the push-pull spring is fixedly connected with the push-pull rod, the baffle is convenient to pull to move by arranging the push-pull rod, and the baffle can continuously and stably buckled above the heat dissipation hole by arranging the push-pull spring, so that the heating work of the furnace body is prevented from being influenced.
In a further preferred mode, the furnace body is provided with a fixed pipe, the fixed pipe is provided with a through hole, the push-pull rod is arranged in the through hole in a sliding mode, a stop block is arranged in the fixed pipe in a sliding mode, a lifting ring is arranged on the stop block, a limiting block is fixedly arranged on the push-pull rod, an inclined face is arranged on the limiting block, and the position of the baffle plate can be further limited when heat is dissipated through the radiating pipe through the fixed pipe, so that the use convenience of the furnace body is improved.
In a further preferred mode, the furnace body is internally provided with a support, a protective net is arranged on the support, mounting plates are arranged on the support and the protective net, mounting bolts are arranged on the mounting plates, seamless steel pipes are convenient to place by arranging the support and the protective net, and the support and the protective net are convenient to install and detach by arranging the mounting plates and the mounting bolts.
In a further preferred aspect, a rubber pad is arranged at the bottom of the bracket, and the rubber pad is arranged to prevent the bracket angle from damaging the inside of the furnace body.
(III) beneficial effects
Compared with the prior art, the muffle furnace for heat treatment processing of the seamless steel tube has the following beneficial effects:
1. according to the utility model, the insulating sleeve and the conducting rod are used for respectively arranging the conducting wire and the heating element on the inner side and the outer side of the furnace body, and the first nut, the first connecting part, the second nut and the second connecting part are arranged, so that the convenience in installation and maintenance of the conducting wire and the heating element is improved, and the position of the insulating sleeve on the furnace body is limited by arranging the clamping block, the clamping plate and the clamping bolt, so that the insulating sleeve is prevented from moving.
2. According to the utility model, the push-pull rod is arranged, so that the baffle plate is convenient to pull to move, the push-pull spring is arranged, the baffle plate can be continuously and stably buckled above the radiating holes, the heating work of the furnace body is prevented from being influenced, and the radiating holes, the radiating pipes and the exhaust fan are arranged, so that after the seamless steel pipe is subjected to heat treatment, hot air is firstly radiated, and the occurrence of a personal injury event caused by the hot air when the furnace body is opened is prevented.
3. According to the utility model, the seamless steel pipe is convenient to place by arranging the support and the protective screen, the support and the protective screen are convenient to install and detach by arranging the mounting plate and the mounting bolts, and the support angle is prevented from damaging the inside of the furnace body by arranging the rubber pad.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a muffle furnace for heat treatment processing of a seamless steel tube;
FIG. 2 is a schematic diagram of the mating structure of the conductive wire, conductive rod, insulating sleeve, heating element and fixture of the present utility model;
FIG. 3 is a schematic view of the overall structure of the insulating sleeve according to the present utility model;
FIG. 4 is a schematic cross-sectional view of a push-pull device according to the present utility model;
fig. 5 is a schematic diagram of a matching structure of a bracket, a protective net and a rubber pad in the utility model.
In the figure: 1. a furnace body; 2. a conductive wire; 3. a heating element; 4. a conductive rod; 5. an insulating sleeve; 6. a heat radiation hole; 7. a heat radiating pipe; 8. an exhaust fan; 9. a baffle; 10. a first connection portion; 11. a first nut; 12. a second connecting portion; 13. a second nut; 14. a clamping block; 15. a clamping groove; 16. a clamping plate; 17. clamping bolts; 18. a push-pull rod; 19. a fixed block; 20. a push-pull spring; 21. a fixed tube; 22. a through hole; 23. a stop block; 24. a pull ring is lifted; 25. a limiting block; 26. an inclined surface; 27. a bracket; 28. a protective net; 29. a mounting plate; 30. installing a bolt; 31. and a rubber pad.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1:
referring to fig. 1-5, a muffle furnace for heat treatment of seamless steel pipes comprises a furnace body 1, wherein a conductive wire 2 is arranged outside the furnace body 1, a heating element 3 is arranged inside the furnace body 1, a conductive rod 4 is arranged between the conductive wire 2 and the heating element 3, the conductive rod 4 penetrates through the furnace body 1, an insulating sleeve 5 is sleeved outside the furnace body 1, fixing devices are arranged on two sides of the inside of the furnace body 1 by the insulating sleeve 5, a heat dissipation hole 6 is arranged at the top of the furnace body 1, a heat dissipation pipe 7 is arranged at the top of the heat dissipation hole 6, an exhaust fan 8 is arranged at the top of the heat dissipation pipe 7, a baffle 9 is arranged in the heat dissipation pipe 7 in a sliding manner, a push-pull device is arranged on one side of the baffle 9, a first connecting part 10 is arranged at one end of the conductive wire 2, a first nut 11 is arranged on two sides of the first connecting part 10, a second connecting part 12 is arranged at one end of the heating element 3, a second nut 13 is arranged on two sides of the second connecting part 12, the first nut 11, the first connecting part 10, the second nut 13 and the second connecting part 12 are connected with the conductive rod 4 through threads, the fixing device comprises a clamping block 14 and a clamping groove 15, the clamping block 14 and the clamping groove 15 are arranged on the insulating sleeve 5 and are respectively arranged on the inner side and the outer side of the furnace body 1, a clamping plate 16 is arranged in the clamping groove 15, a clamping bolt 17 is arranged on the clamping plate 16, the insulating sleeve 5 is sleeved on the conductive rod 4 and the insulating sleeve 5 and the conductive rod 4 penetrate through the furnace body 1 during installation, the clamping plate 16 is arranged on the clamping groove 15 of the insulating sleeve 5 and is installed through the clamping bolt 17, the insulating sleeve 5 and the conductive rod 4 are installed in a matched mode with the clamping block 14, the conductive wire 2 is installed on the conductive rod 4 through the first connecting part 10 and the first nut 11, the heating element 3 is installed on the conductive rod 4 through the second connecting part 12 and the second nut 13, normal energizing operation is performed while facilitating installation and maintenance of the conductive wire 2 and the heating element 3.
Referring to fig. 4, in this embodiment, the push-pull device includes a push-pull rod 18, the push-pull rod 18 is fixedly disposed at one end of a baffle plate 9, a fixed block 19 is disposed above a furnace body 1, the baffle plate 9 penetrates through the fixed block 19, a push-pull spring 20 is sleeved on the push-pull rod 18, one end of the push-pull spring 20 is fixedly connected with the fixed block 19, the other end of the push-pull spring is fixedly connected with the push-pull rod 18, a fixed tube 21 is disposed on the furnace body 1, a through hole 22 is disposed on the fixed tube 21, the push-pull rod 18 is slidably disposed in the through hole 22, a stop block 23 is slidably disposed in the fixed tube 21, a lifting ring 24 is disposed on the stop block 23, a stop block 25 is fixedly disposed on the push-pull rod 18, an inclined surface 26 is disposed on the stop block 25, when the heating element 3 heats the interior of the furnace body 1, when the furnace body 1 needs to be opened, the push-pull rod 18 is pulled first to stretch the push-pull spring 20 and drive the baffle plate 9 to open the heat dissipation hole 6 and the tube 7, and open the exhaust fan 8 to rapidly dissipate heat, when the push-pull rod 18 is pulled, the stop block 25 moves in the through hole 22, the inclined surface 26 is pushed by the inclined surface 26 to move up the stop block 25, and the stop block 23 is completely slides up the stop block 23, and the stop block 23 is completely moves down, and the stop block 23 is pushed down by the stop block 23, and the heat is completely, when the stop block 23 is pushed down by the heat release plate is completely, and the heat release plate is completely and pulled by the heat by the stop block 23, and the heat.
Referring to fig. 5, in this embodiment, a support 27 is provided inside the furnace body 1, a protection net 28 is provided on the support 27, mounting plates 29 are provided on the support 27 and the protection net 28, mounting bolts 30 are provided on the mounting plates 29, rubber pads 31 are provided at the bottom of the support 27, the support 27 and the protection net 28 are placed inside the furnace body 1 by aligning the mounting plates 29 of the support 27 and the protection net 28 and connecting the support 27 and the protection net 28 through the mounting bolts 30, seamless steel pipes are placed on the protection net 28, and the corners of the support 27 are prevented from being damaged inside the furnace body 1 by arranging the rubber pads 31.
Example 2:
on the basis of embodiment 1, during installation, the insulating sleeve 5 is sleeved on the conducting rod 4, the insulating sleeve 5 and the conducting rod 4 penetrate through the furnace body 1, the clamping groove 15 of the insulating sleeve 5 is provided with the clamping plate 16, the insulating sleeve 5 and the conducting rod 4 are installed in cooperation with the clamping block 14, the conducting wire 2 is installed on the conducting rod 4 through the first connecting part 10 and the first nut 11, the heating element 3 is installed on the conducting rod 4 through the second connecting part 12 and the second nut 13, normal electrifying work is carried out, meanwhile, the installation and maintenance of the conducting wire 2 and the heating element 3 are convenient, the installation plate 29 of the bracket 27 and the protective screen 28 are aligned, the installation bolt 30 is used for connection, the bracket 27 and the protective screen 28 are placed in the furnace body 1, the seamless steel tube is placed on the protective screen 28, and the rubber pad 31 is arranged, so that the angle of the bracket 27 is prevented from damaging the inside the furnace body 1.
Example 3:
on the basis of embodiment 2, when the furnace body 1 needs to be opened, the push-pull rod 18 is pulled first, the push-pull rod 18 stretches the push-pull spring 20 and drives the baffle plate 9 to open the heat dissipation holes 6 and the heat dissipation pipes 7 for heat dissipation, and the exhaust fan 8 is opened for rapid heat dissipation, when the push-pull rod 18 is pulled, the limiting block 25 moves in the through hole 22, the limiting block 23 is extruded by the inclined surface 26 to move upwards, when the limiting block 25 completely passes through the limiting block 23, the limiting block 23 falls onto the push-pull plate and is clamped with the limiting block 25, the position of the push-pull rod 18 is limited, when the heat dissipation is completed, the pull ring 24 is pulled upwards to pull the limiting block 23, and the push-pull rod 18 resets under the elastic force of the push-pull spring 20 to continuously block the heat dissipation holes 6 and the heat dissipation pipes 7.
In all the above mentioned solutions, in which the connection between two components can be chosen according to the actual situation, a welded, bolt-and-nut-fitted connection, a bolt-or-screw connection or other known connection means, which are not described in detail herein, where reference is made to a written fixed connection, the preferred consideration is welding, although embodiments of the utility model have been shown and described, it will be understood by those skilled in the art that numerous variations, modifications, substitutions and alterations can be made to these embodiments without departing from the principle and spirit of the utility model, the scope of which is defined by the appended claims and their equivalents.
Claims (7)
1. The muffle furnace for heat treatment processing of the seamless steel tube comprises a furnace body (1), and is characterized in that: the utility model discloses a furnace body, including furnace body (1), heat dissipation hole (6), furnace body (1) inside heating element (3) that is equipped with, be equipped with conducting rod (4) between conducting rod (2) and heating element (3), conducting rod (4) run through furnace body (1), just conducting rod (4) are equipped with insulating cover (5) in furnace body (1) outside cover, insulating cover (5) are provided with fixing device in furnace body (1) inside both sides, furnace body (1) top is equipped with louvre (6), louvre (6) top is equipped with cooling tube (7), cooling tube (7) top is equipped with air discharge fan (8), the slip is equipped with baffle (9) in cooling tube (7), baffle (9) one side is equipped with push-pull device.
2. The muffle furnace for heat treatment processing of seamless steel pipes according to claim 1, wherein: one end of the conducting wire (2) is provided with a first connecting portion (10), two sides of the first connecting portion (10) are provided with first nuts (11), one end of the heating element (3) is provided with a second connecting portion (12), two sides of the second connecting portion (12) are provided with second nuts (13), and the first nuts (11), the first connecting portion (10), the second nuts (13), the second connecting portion (12) and the conducting rod (4) are connected through threads.
3. The muffle furnace for heat treatment processing of seamless steel pipes according to claim 1, wherein: the fixing device comprises a clamping block (14) and a clamping groove (15), wherein the clamping block (14) and the clamping groove (15) are arranged on the insulating sleeve (5) and are respectively arranged on the inner side and the outer side of the furnace body (1), a clamping plate (16) is arranged in the clamping groove (15), and a clamping bolt (17) is arranged on the clamping plate (16).
4. The muffle furnace for heat treatment processing of seamless steel pipes according to claim 1, wherein: the push-pull device comprises a push-pull rod (18), the push-pull rod (18) is fixedly arranged at one end of the baffle plate (9), a fixed block (19) is arranged above the furnace body (1), the baffle plate (9) penetrates through the fixed block (19), a push-pull spring (20) is sleeved on the push-pull rod (18), one end of the push-pull spring (20) is fixedly connected with the fixed block (19), and the other end of the push-pull spring is fixedly connected with the push-pull rod (18).
5. The muffle furnace for heat treatment processing of seamless steel pipes as claimed in claim 4, wherein: be equipped with fixed pipe (21) on furnace body (1), be equipped with through-hole (22) on fixed pipe (21), push-and-pull rod (18) slip sets up in through-hole (22), it is equipped with dog (23) to slide in fixed pipe (21), be equipped with on dog (23) and carry pull ring (24), fixed stopper (25) that are equipped with on push-and-pull rod (18), be equipped with inclined plane (26) on stopper (25).
6. The muffle furnace for heat treatment processing of seamless steel pipes according to claim 1, wherein: the furnace body (1) is internally provided with a support (27), a protective net (28) is arranged on the support (27), mounting plates (29) are arranged on the support (27) and the protective net (28), and mounting bolts (30) are arranged on the mounting plates (29).
7. The muffle furnace for heat treatment processing of seamless steel pipes as claimed in claim 6, wherein: a rubber pad (31) is arranged at the bottom of the bracket (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320444634.0U CN219474251U (en) | 2023-03-10 | 2023-03-10 | Muffle furnace for heat treatment processing of seamless steel tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320444634.0U CN219474251U (en) | 2023-03-10 | 2023-03-10 | Muffle furnace for heat treatment processing of seamless steel tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219474251U true CN219474251U (en) | 2023-08-04 |
Family
ID=87438615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320444634.0U Active CN219474251U (en) | 2023-03-10 | 2023-03-10 | Muffle furnace for heat treatment processing of seamless steel tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219474251U (en) |
-
2023
- 2023-03-10 CN CN202320444634.0U patent/CN219474251U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A muffle furnace for seamless steel pipe heat treatment processing Granted publication date: 20230804 Pledgee: Bank of China Limited by Share Ltd. Cangzhou branch Pledgor: Zhonghui Steel Pipe Manufacturing Co.,Ltd. Registration number: Y2024980005875 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |