CN210237703U - Uniform heating device of vacuum furnace - Google Patents
Uniform heating device of vacuum furnace Download PDFInfo
- Publication number
- CN210237703U CN210237703U CN201920892033.XU CN201920892033U CN210237703U CN 210237703 U CN210237703 U CN 210237703U CN 201920892033 U CN201920892033 U CN 201920892033U CN 210237703 U CN210237703 U CN 210237703U
- Authority
- CN
- China
- Prior art keywords
- column
- sleeve
- vacuum furnace
- heating device
- uniform heating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Furnace Details (AREA)
Abstract
The utility model belongs to the technical field of vacuum furnace heating mechanism, especially, a uniform heating device of vacuum furnace, to the inconvenient height of adjusting the work piece of current vacuum furnace heating mechanism, the workpiece surface is heated uneven problem, the scheme as follows now proposes, this heating device includes the sleeve, a heat preservation section of thick bamboo is installed to telescopic inboard, a plurality of armor heater strips and a plurality of protection gas nozzle are installed to the inboard of a heat preservation section of thick bamboo, a plurality of armor heater strips and a plurality of protection gas nozzle are crisscross to be set up, the inboard of a heat preservation section of thick bamboo is equipped with the supporting component that two symmetries set up, the supporting component includes the cover post of welding at a heat preservation section of thick bamboo inboard, the top of cover post is equipped with the mounting hole, movable. The utility model relates to a rationally, can adjust the height of ceramic strip at any time according to the thickness of work piece when using for the work piece homoenergetic of different thickness is close to the central point of a section of thick bamboo that keeps warm, makes workpiece surface be heated evenly, improves work piece processingquality.
Description
Technical Field
The utility model relates to a vacuum furnace heating mechanism technical field especially relates to a vacuum furnace's even heating device.
Background
The rise and rapid development of vacuum heating furnaces, on the one hand, stems from the need for the development of industrial technology and, on the other hand, because vacuum heat treatment has a series of outstanding advantages not comparable to other heat treatments: the surface of the processed workpiece is prevented from being oxidized and decarburized, and the reduction and rust removal effects are achieved, so that the surface grinding process is omitted, the consumption of raw materials is reduced, and the processing time is saved; the vacuum degassing function improves the surface purity of the material, improves the fatigue strength, plasticity and toughness of the material, improves the corrosion resistance and the like. For example, chinese patent application publication No. CN107267729A discloses a uniform heating and temperature control system for a multi-station vacuum furnace, which comprises a bell jar, and is characterized in that the top end of the inner wall of the bell jar is connected with a plurality of top heaters through first bolts, the center of each top heater is connected with a central heater through second bolts, the inner side of the side wall of the bell jar is connected with a plurality of first side wall heaters through third bolts, the side wall of the bottom of the bell jar is connected with a plurality of second side wall heaters through fourth bolts, the top heaters, the central heaters, the first side wall heaters and the second side wall heaters are respectively integrated with K-type thermocouples, the K-type thermocouples are connected with one end of a PID temperature controller through compensation wires, and the other end of the PID temperature controller is connected with the top heaters, the central heaters, the first side wall heaters and the. The design controls the temperature through the PID temperature controller, and the temperature control is accurate, so that higher temperature uniformity is achieved.
However, the conventional vacuum furnace heating mechanism is inconvenient to adjust the height of the workpiece, so that the surface of the workpiece is heated unevenly, cracks are easy to appear in the workpiece, and the quality of the workpiece is reduced.
Disclosure of Invention
The utility model aims at solving the defects that the height of the workpiece is inconvenient to adjust by the heating mechanism of the existing vacuum furnace and the surface of the workpiece is heated unevenly, and providing an even heating device of the vacuum furnace.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a uniform heating device of a vacuum furnace comprises a sleeve, wherein a heat-insulating cylinder is arranged on the inner side of the sleeve, a plurality of armored heating wires and a plurality of shielding gas nozzles are arranged on the inner side of the heat-insulating cylinder, the armored heating wires and the shielding gas nozzles are arranged in a staggered manner, two symmetrically arranged supporting assemblies are arranged on the inner side of the heat-insulating cylinder, each supporting assembly comprises a sleeve column welded on the inner side of the heat-insulating cylinder, a mounting hole is formed in the top end of each sleeve column, a sliding column is movably arranged in each mounting hole, the top end of each sliding column extends to the outer side of each sleeve column and is welded with a U-shaped bearing seat, and a ceramic strip is arranged on the inner;
the utility model discloses a sliding column, including traveller, rotation hole, and two mounting holes, support groove has all been seted up on the one side inner wall that two mounting holes are close to each other, and the one end of kelly extends to corresponding support inslot and with the bottom inner wall movable contact who supports the groove, and the other end welding of kelly has the screw rod, and the outside thread bush of screw rod is equipped with the reference column, and the one end of reference column extends to the outside of cover post and welds and have the knob.
Preferably, rectangular holes are formed in one side, away from each other, of each of the two sleeve columns, and the outer sides of the positioning columns are in movable contact with the inner walls of the corresponding rectangular holes, so that the positioning columns can freely lift.
Preferably, one end of the positioning column, which is located in the sleeve column, is matched with the outer side of the sliding column, a threaded groove is formed in one end of the positioning column, which is located in the sleeve column, and the screw rod is in threaded connection with the corresponding threaded groove, so that the positioning column is conveniently sleeved on the outer side of the screw rod.
Preferably, the same rotating shaft is welded on the inner walls of the two sides of the rotating hole, and the clamping rod is rotatably sleeved on the corresponding rotating shaft, so that the clamping rod is conveniently and rotatably arranged in the sliding column.
Preferably, the welding has a plurality of first otic placodes on the telescopic lateral wall, and the front side screw thread of first otic placode is fixed with the second otic placode, and the second otic placode welds mutually with the outside of a section of thick bamboo that keeps warm, conveniently installs a section of thick bamboo that keeps warm in the sleeve.
In the utility model, due to the screw rod, the positioning column and the knob, the knob is rotated to drive the positioning column to move towards the outer side of the sleeve column, the sliding column is kept still, the knob is pressed downwards, the screw rod is driven to rotate downwards through the knob, the screw rod drives one end of the clamping rod positioned in the supporting groove to tilt upwards and gradually separate from the supporting groove, and after the clamping rod is thoroughly separated from the supporting groove, the sliding column can be pulled to move upwards and downwards in the sleeve column, so that the height of the ceramic strip can be adjusted;
because the clamping rod, the supporting grooves and the rotating shaft are arranged, the two ceramic strips are adjusted to the height close to the center of the heat-insulating cylinder, the clamping rod slides into one of the supporting grooves again by pulling the knob upwards, the positioning column is driven to gradually move towards the inner side of the sleeve column by rotating the knob in the opposite direction until the positioning column is abutted against the outer side part of the sliding column, the clamping rod can be kept horizontal, the clamping rod can support the weight of the sliding column, a workpiece to be processed is placed on the two ceramic strips, the workpiece can be placed at the center part of the heat-insulating cylinder, and the armored heating wire can be electrified and heated after the sleeve is vacuumized, so that the workpiece is uniformly heated in the heat-insulating cylinder;
the utility model relates to a rationally, can adjust the height of ceramic strip at any time according to the thickness of work piece when using for the work piece homoenergetic of different thickness is close to the central point of a section of thick bamboo that keeps warm, makes workpiece surface be heated evenly, improves work piece processingquality.
Drawings
Fig. 1 is a schematic structural view of a uniform heating device of a vacuum furnace according to the present invention;
FIG. 2 is a schematic cross-sectional view of a support assembly of a uniform heating apparatus of a vacuum furnace according to the present invention;
fig. 3 is a schematic structural view of a portion a in fig. 2.
In the figure: the heat preservation device comprises a sleeve 1, a heat preservation cylinder 2, an armored heating wire 3, a protective gas nozzle 4, a sleeve column 5, a U-shaped bearing seat 6, a ceramic strip 7, a mounting hole 8, a sliding column 9, a rotating hole 10, a clamping rod 11, a supporting groove 12, a rectangular hole 13, a screw rod 14, a positioning column 15, a knob 16, a thread groove 17, a rotating shaft 18, a first lug plate 19 and a second lug plate 20.
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.
Referring to fig. 1-3, a uniform heating device of a vacuum furnace comprises a sleeve 1, a heat-insulating cylinder 2 is mounted on the inner side of the sleeve 1, a plurality of armored heating wires 3 and a plurality of shielding gas nozzles 4 are mounted on the inner side of the heat-insulating cylinder 2, the armored heating wires 3 and the shielding gas nozzles 4 are arranged in a staggered manner, two symmetrically arranged support assemblies are arranged on the inner side of the heat-insulating cylinder 2, each support assembly comprises a sleeve column 5 welded on the inner side of the heat-insulating cylinder 2, a mounting hole 8 is formed in the top end of each sleeve column 5, a sliding column 9 is movably mounted in each mounting hole 8, the top end of each sliding column 9 extends to the outer side of each sleeve column 5 and is welded with a U-shaped bearing seat 6, and a ceramic strip 7 is;
wherein, rotation hole 10 has been seted up to one side of traveller 9, rotate the rotation in hole 10 and install kelly 11, support groove 12 has all been seted up on the one side inner wall that two mounting holes 8 are close to each other, the one end of kelly 11 extend to corresponding support inslot 12 and with the bottom inner wall movable contact who supports groove 12, the other end welding of kelly 11 has screw rod 14, the outside thread bush of screw rod 14 is equipped with reference column 15, the one end of reference column 15 extends to the outside of cover post 5 and welds knob 16.
The utility model discloses in, rectangular hole 13 has all been seted up to one side that two cover posts 5 kept away from each other, the outside of reference column 15 and the inner wall movable contact of corresponding rectangular hole 13 for reference column 15 can freely go up and down.
The utility model discloses in, the one end that reference column 15 is located set post 5 cooperatees with the outside of traveller 9, and the one end that reference column 15 is located set post 5 has seted up thread groove 17, screw rod 14 and corresponding thread groove 17 threaded connection, and the convenience is established the outside at screw rod 14 with reference column 15 cover.
The utility model discloses in, the welding has same pivot 18 on the both sides inner wall of rotation hole 10, and the card pole 11 rotates the cover and establishes on corresponding pivot 18, and the convenience rotates card pole 11 and sets up in traveller 9.
The utility model discloses in, the welding has a plurality of first otic placodes 19 on the lateral wall of sleeve 1, and the front side screw thread of first otic placode 19 is fixed with second otic placode 20, and second otic placode 20 welds mutually with the outside of a section of thick bamboo 2 that keeps warm, and the convenience is installed a section of thick bamboo 2 that keeps warm in sleeve 1.
In the utility model, when in use, the commercial power is used for supplying power to the armored heating wire 3, the power supply circuit of the armored heating wire 3 is connected on the vacuum furnace control system, the protective gas nozzle 4 is used for spraying inert gas to protect the workpiece, the knob 16 is manually rotated or rotated by a wrench when the temperature is room temperature in the heat-insulating cylinder 2, the knob 16 drives the positioning column 15 to move towards the outer side of the sleeve column 5, then the sliding column 9 is kept still and the knob 16 is pressed downwards, the knob 16 drives the screw rod 14 to rotate downwards, the screw rod 14 drives one end of the clamping rod 11 positioned in the supporting groove 12 to upwarp and gradually separate from the supporting groove 12, after the clamping rod 11 is thoroughly separated from the supporting groove 12, the sliding column 9 can be pulled to move upwards and downwards in the sleeve column 5, the height of the ceramic strips 7 can be adjusted, the two ceramic strips 7 are adjusted to the height close to the center of the heat-insulating cylinder 2, then the knob 16 is pulled upwards, so that the clamping rod 11, then, the knob 16 is rotated in the opposite direction, so that the positioning column 15 gradually moves towards the inner side of the sleeve column 5 until the positioning column 15 abuts against the outer side part of the sliding column 9, at the moment, the clamping rod 11 can be kept horizontal, the clamping rod 11 can support the weight of the sliding column 9, at the moment, a workpiece to be processed is placed on the two ceramic strips 7, the workpiece can be placed at the central part of the heat-insulating cylinder 2, the armored heating wire 3 can be electrified and heated after the sleeve 1 is vacuumized, and the workpiece is uniformly heated in the heat-insulating cylinder 2.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The uniform heating device of the vacuum furnace comprises a sleeve (1), wherein a heat-insulating cylinder (2) is installed on the inner side of the sleeve (1), a plurality of armored heating wires (3) and a plurality of protective gas nozzles (4) are installed on the inner side of the heat-insulating cylinder (2), the armored heating wires (3) and the protective gas nozzles (4) are arranged in a staggered mode, the uniform heating device is characterized in that two symmetrically-arranged supporting assemblies are arranged on the inner side of the heat-insulating cylinder (2), each supporting assembly comprises a sleeve column (5) welded on the inner side of the heat-insulating cylinder (2), a mounting hole (8) is formed in the top end of each sleeve column (5), a sliding column (9) is movably mounted in each mounting hole (8), the top end of each sliding column (9) extends to the outer side of each sleeve column (5) and is welded with a U-shaped bearing seat (6), and a ceramic strip (7) is installed on the;
rotation hole (10) have been seted up to one side of traveller (9), rotation hole (10) internal rotation is installed kelly (11), support groove (12) have all been seted up on the one side inner wall that two mounting holes (8) are close to each other, the one end of kelly (11) extend to in corresponding support groove (12) and with the bottom inner wall movable contact who supports groove (12), the other end welding of kelly (11) has screw rod (14), the outside thread bush of screw rod (14) is equipped with reference column (15), the one end of reference column (15) extends to the outside of cover post (5) and welds knob (16).
2. The uniform heating device of the vacuum furnace as claimed in claim 1, wherein the two sleeve columns (5) are provided with rectangular holes (13) at the sides far away from each other, and the outer sides of the positioning columns (15) are in movable contact with the inner walls of the corresponding rectangular holes (13).
3. The uniform heating device of the vacuum furnace as claimed in claim 1, wherein one end of the positioning column (15) in the sleeve column (5) is matched with the outer side of the sliding column (9), one end of the positioning column (15) in the sleeve column (5) is provided with a threaded groove (17), and the screw (14) is in threaded connection with the corresponding threaded groove (17).
4. The uniform heating device of the vacuum furnace as claimed in claim 1, wherein the same rotating shaft (18) is welded on the inner wall of both sides of the rotating hole (10), and the clamping rod (11) is rotatably sleeved on the corresponding rotating shaft (18).
5. The uniform heating device of the vacuum furnace is characterized in that a plurality of first lug plates (19) are welded on the side wall of the sleeve (1), a second lug plate (20) is fixed on the front side of each first lug plate (19) in a threaded mode, and the second lug plates (20) are welded with the outer side of the heat preservation cylinder (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892033.XU CN210237703U (en) | 2019-06-13 | 2019-06-13 | Uniform heating device of vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920892033.XU CN210237703U (en) | 2019-06-13 | 2019-06-13 | Uniform heating device of vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210237703U true CN210237703U (en) | 2020-04-03 |
Family
ID=69985861
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920892033.XU Active CN210237703U (en) | 2019-06-13 | 2019-06-13 | Uniform heating device of vacuum furnace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210237703U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065867A (en) * | 2020-09-15 | 2020-12-11 | 温州职业技术学院 | Automatic assembling device for inner ring and outer ring of high-speed bearing |
| CN114669386A (en) * | 2022-03-07 | 2022-06-28 | 上海吴泾第二发电有限责任公司 | Automatic heating device for hot tightening of grinding roller of coal mill of power station boiler |
-
2019
- 2019-06-13 CN CN201920892033.XU patent/CN210237703U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112065867A (en) * | 2020-09-15 | 2020-12-11 | 温州职业技术学院 | Automatic assembling device for inner ring and outer ring of high-speed bearing |
| CN114669386A (en) * | 2022-03-07 | 2022-06-28 | 上海吴泾第二发电有限责任公司 | Automatic heating device for hot tightening of grinding roller of coal mill of power station boiler |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN210237703U (en) | Uniform heating device of vacuum furnace | |
| CN210560576U (en) | Wire drawing annealing electric furnace device | |
| CN110814883A (en) | Machining equipment for cast iron composite roller | |
| CN203782194U (en) | Flame type surface quenching equipment for rotary workpieces | |
| CN113621762B (en) | High-frequency quenching furnace | |
| CN216838070U (en) | Normalizing device for gear blank | |
| CN211999811U (en) | Drill rod induction heating drill rod high-frequency quenching device | |
| CN209238345U (en) | A kind of prewarming baking control device of the automatic spray painting production system of plastic coating | |
| CN208562464U (en) | A kind of horizontal continuous cold thermal shock furnace | |
| CN210886156U (en) | Processing and annealing device for corrosion-resistant enameled wire | |
| CN208815067U (en) | A kind of annealing furnace take-up reel | |
| CN219037591U (en) | Heating electric stove | |
| CN218507839U (en) | Electric heating furnace | |
| CN113621767A (en) | Intelligent heat treatment production line | |
| CN220393866U (en) | Hot galvanizing reaction tank | |
| CN218710688U (en) | Well type tempering furnace | |
| CN112588974A (en) | Aluminum alloy heating equipment and operation method | |
| CN220265779U (en) | Tempering furnace for steel ball machining | |
| CN220746075U (en) | Furnace bottom heating device of chemical vapor deposition furnace | |
| CN110815529B (en) | Steam curing pool for processing concrete wire pole | |
| CN217677667U (en) | Hot rolled steel heat treatment device | |
| CN220643212U (en) | Front crankshaft magnesium alloy heat treatment furnace | |
| CN212476815U (en) | Annealing device for processing steel wire rope of invisible protective net | |
| CN218973218U (en) | Heating furnace for valve handle heat treatment | |
| CN212133260U (en) | Heat recovery gas heating heat treatment furnace |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |