CN203403135U - Thermal-treatment vacuum furnace - Google Patents
Thermal-treatment vacuum furnace Download PDFInfo
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- CN203403135U CN203403135U CN201320432084.7U CN201320432084U CN203403135U CN 203403135 U CN203403135 U CN 203403135U CN 201320432084 U CN201320432084 U CN 201320432084U CN 203403135 U CN203403135 U CN 203403135U
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- furnace shell
- fixed
- vertical rod
- thermal treatment
- vacuum oven
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Abstract
The utility model provides a thermal-treatment vacuum furnace, which belongs to the technical field of thermal treatment equipment and solves a problem that the thermal-treatment vacuum furnace in the prior art is large in occupied space, high in cost, and the like. The thermal-treatment vacuum furnace comprises a furnace frame, a lower furnace shell and an upper furnace shell sealed and covered above the lower furnace shell, wherein the furnace frame is provided with a vertical upright tube; the upper furnace shell is fixed on the upright tube; a vacuum pump is arranged on the upper furnace shell; a slide sleeve capable of sliding up and down on the upright tube is sleeved on the outer wall of the upright tube; the lower furnace shell is fixed on the slide sleeve; a motor is fixed on the upright tube; an output shaft of the motor is vertically downward; a lead screw is coaxially fixed on the motor output shaft; the lead screw is in threaded connection on the slide sleeve; the upright tube is sleeved with a spring below the slide sleeve; the upper end of the spring is resisted against the slide sleeve; the lower end of the spring is resisted against the furnace frame. The thermal-treatment vacuum furnace disclosed by the utility model has the advantages of being convenient to discharge, low in cost, small in occupied space, and the like.
Description
Technical field
The utility model belongs to equipment for Heating Processing technical field, relates to a kind of thermal treatment vacuum oven.
Background technology
Thermal treatment is that metallic substance is placed on to heating in certain medium, insulation, cooling, by changing material surface or inner metallurgical structure, controls a kind of metal fever complete processing of its performance.Vacuum heat treatment refers to metallic article in vacuum or first vacuumizes to lead to afterwards under inert gas conditions and heat, then the technology of quench cooled in oil or gas.Vacuum heat treatment almost can realize whole thermal treatment process; as quenching, annealing, tempering, carburizing, nitrogenize etc.; vacuum heat treatment and other prior heat treatment methods are compared simultaneously, have cleaning action, vacuum protection effect, save the advantages such as the energy, and therefore application is very extensive.In the time of vacuum heat treatment, have to use thermal treatment vacuum oven, thermal treatment vacuum oven is the equipment that workpiece is heat-treated under vacuum condition.
Current thermal treatment is all the mode adopting from top input and output material with vacuum oven: open bell, the material of need being heat-treated with suspender hangs in stove, after thermal treatment, material is hung out again.This input and output material mode, because bell is heavy, is opened and is not easy, and after thermal treatment completes, material be hung out to difficulty, has the problem of poor stability in the process of handling simultaneously.In order to address this problem, there is people just to propose a kind of novel large-scale vertical vacuum oven [Granted publication CN202755025U; Application number 201220362567.X], comprise grate, be arranged at body of heater, the vacuum pump for described body of heater is vacuumized on described grate, in the bottom of described body of heater, be provided with a circular hole, in the bottom of described body of heater, be provided with a hydraulic pressure charging/discharging device corresponding with circular hole.This thermal treatment with vacuum oven by a hydraulic pressure charging/discharging device is set at furnace bottom, the lift action by hydraulic ram by material in furnace bottom pushes body of heater or take out body of heater.Although this input and output material mode does not need suspender handling workpiece, a lifting difficult problem for workpiece and the problem of poor stability after thermal treatment have been solved, but, this large-scale vertical vacuum oven is because hydraulic pressure charging/discharging device is installed in bottom, therefore vacuum oven takes up room greatly, and the setting of hydraulic pressure charging/discharging device has simultaneously increased the cost of vacuum oven greatly.
Summary of the invention
The purpose of this utility model is to have the problems referred to above for existing technology, has proposed the thermal treatment vacuum oven that the convenient cost simultaneously of a kind of input and output material is low, take up room little.
The purpose of this utility model can realize by following technical proposal: a kind of thermal treatment vacuum oven, comprise grate, lower furnace shell and seal closure are located at the upper furnace shell of lower furnace shell top, described grate has a vertical vertical rod, described upper furnace shell is fixed in vertical rod, on described upper furnace shell, vacuum pump is installed, it is characterized in that, on described vertical rod outer wall, be arranged with a sliding sleeve that can slide up and down in vertical rod, described lower furnace shell is fixed on described sliding sleeve, in described vertical rod, be fixed with a motor, the output shaft of described motor straight down, on motor output shaft, be coaxially fixed with screw mandrel, described wire rod thread is connected on described sliding sleeve, in described vertical rod, be positioned at sliding sleeve below and be also arranged with spring, the upper end of described spring is resisted against on described sliding sleeve, the lower end abutment of spring is on described grate.
Vacuum pump is for being evacuated the furnace chamber of upper furnace shell and lower furnace shell composition.In needs take out body of heater, during workpiece, only need open motor, the screw mandrel on electric machine rotation drive motor output shaft rotates, and what make to be connected with wire rod thread slides over column down sliding, thereby drives lower furnace shell to move down, and realization is opened body of heater and taken out workpiece.Otherwise, by controlling electric machine rotation, can make lower furnace shell rising close body of heater.Spring has supporting role to lower furnace shell in lower furnace shell decline process, makes lower furnace shell decline process steady and smooth can assist again lower furnace shell to rise simultaneously, reduces motor, screw mandrel load.This thermal treatment is low with vacuum oven cost, it is little to take up room, and its input and output material mode is easy to operate, safe, fast simultaneously.
In above-mentioned thermal treatment, with in vacuum oven, described grate comprises horizontal platen, and the below of described horizontal platen is provided with roller, and described vertical rod is connected on described horizontal platen, and the lower end abutment of described spring is on described horizontal platen.The setting of roller makes this thermal treatment vacuum oven conveniently moving.
In above-mentioned thermal treatment, with in vacuum oven, in described vertical rod, level is fixed with a mounting plate, and described motor is fixed on described mounting plate, and the output shaft of described motor is straight down through described mounting plate.
In above-mentioned thermal treatment, with in vacuum oven, on described sliding sleeve outer wall, level is fixed with a lifter plate, vertically offers a threaded hole on described lifter plate, and described wire rod thread is located in described threaded hole.
In above-mentioned thermal treatment, with in vacuum oven, on described upper furnace shell, weather gage is also installed.Weather gage energy sensing body of heater internal pressure value, makes the convenient observation in time of operator body of heater internal pressure situation.
In above-mentioned thermal treatment, with in vacuum oven, described upper furnace shell and lower furnace shell are fixed together by clip, between described upper furnace shell and the junction surface of lower furnace shell, are also provided with sealing-ring.
Compared with prior art, this thermal treatment has the following advantages with vacuum oven:
1, this thermal treatment descends the lifting of furnace shell to realize opening and closing of body of heater with vacuum oven by drives such as motor, screw mandrels, and input and output material mode is easy to operate, therefore has the advantages such as easy to operate, cost is low, security is good.
2, this thermal treatment also has the advantages such as little, the conveniently moving of taking up room with vacuum oven.
Accompanying drawing explanation
Fig. 1 is the structural representation of vacuum oven for this thermal treatment.
Fig. 2 is the enlarged view at A place in Fig. 1.
In figure, 1, grate; 1a, vertical rod; 1b, horizontal platen; 2, lower furnace shell; 3, upper furnace shell; 4, vacuum pump; 5, sliding sleeve; 6, motor; 7, screw mandrel; 8, spring; 9, roller; 10, mounting plate; 11, lifter plate; 11a, threaded hole; 12, weather gage; 13, clip; 14, sealing-ring.
Embodiment
Be below specific embodiment of the utility model by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiment.
As described in Figure 1, vacuum oven for this thermal treatment, comprises that grate 1, lower furnace shell 2 and seal closure are located at the upper furnace shell 3 of lower furnace shell 2 tops, and grate 1 comprises horizontal platen 1b and be vertically connected in the vertical rod 1a on horizontal platen 1b, and the below of horizontal platen 1b is provided with roller 9.As described in Figure 2, upper furnace shell 3 and lower furnace shell 2 are fixed together by clip 13, between upper furnace shell 3 and the junction surface of lower furnace shell 2, are also provided with sealing-ring 14.Upper furnace shell 3 is fixed on vertical rod 1a, vacuum pump 4 and weather gage 12 are installed on upper furnace shell 3, on vertical rod 1a outer wall, be arranged with a sliding sleeve 5 that can slide up and down on vertical rod 1a, lower furnace shell 2 is fixed on sliding sleeve 5, on sliding sleeve 5 outer walls, level is fixed with a lifter plate 11, vertically offers a threaded hole 11a on lifter plate 11, and on vertical rod 1a, level is fixed with a mounting plate 10, on mounting plate 10, be fixed with a motor 6, the output shaft of motor 6 is straight down through mounting plate 10.On motor 6 output shafts, be coaxially fixed with screw mandrel 7, screw mandrel 7 screw threads are located in the threaded hole 11a on lifter plate 11.On vertical rod 1a, be positioned at sliding sleeve 5 belows and be also arranged with spring 8, the upper end of spring 8 is resisted against on sliding sleeve 5, and the lower end abutment of spring 8 is on horizontal platen 1b.
In the time of need to taking out the interior workpiece of body of heater, only need open motor 6, the screw mandrel 7 that motor 6 rotates on drive motor 6 output shafts rotates, and makes the sliding sleeve 5 being threaded with screw mandrel 7 at column down sliding, thereby furnace shell 2 under driving is realized and opened body of heater and take out workpiece.Otherwise, by controlling motor 6 rotations, make lower furnace shell 2 risings close body of heater.This thermal treatment with vacuum oven take up room little, cost is low, simultaneously its input and output material mode is easy to operate, safe, fast.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various modifications or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as grate 1, vertical rod 1a, horizontal platen 1b, lower furnace shell 2, upper furnace shell 3, vacuum pump 4, sliding sleeve 5, motor 6, screw mandrel 7, spring 8, roller 9, mounting plate 10, lifter plate 11, threaded hole 11a, weather gage 12, clip 13, sealing-ring 14 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (6)
1. a thermal treatment vacuum oven, comprise grate (1), lower furnace shell (2) and seal closure are located at the upper furnace shell (3) of lower furnace shell (2) top, described grate (1) has a vertical vertical rod (1a), described upper furnace shell (3) is fixed in vertical rod (1a), vacuum pump (4) is installed on described upper furnace shell (3), it is characterized in that, on described vertical rod (1a) outer wall, be arranged with a sliding sleeve (5) that can slide up and down in vertical rod (1a), described lower furnace shell (2) is fixed on described sliding sleeve (5), in described vertical rod (1a), be fixed with a motor (6), the output shaft of described motor (6) straight down, on motor (6) output shaft, be coaxially fixed with screw mandrel (7), described screw mandrel (7) is threaded on described sliding sleeve (5), in described vertical rod (1a), be positioned at sliding sleeve (5) below and be also arranged with spring (8), the upper end of described spring (8) is resisted against on described sliding sleeve (5), the lower end abutment of spring (8) is on described grate (1).
2. thermal treatment vacuum oven according to claim 1, it is characterized in that, described grate (1) comprises horizontal platen (1b), the below of described horizontal platen (1b) is provided with roller (9), it is upper that described vertical rod (1a) is connected in described horizontal platen (1b), and the lower end abutment of described spring (8) is on described horizontal platen (1b).
3. thermal treatment vacuum oven according to claim 1 and 2, it is characterized in that, the upper level of described vertical rod (1a) is fixed with a mounting plate (10), it is upper that described motor (6) is fixed on described mounting plate (10), and the output shaft of described motor (6) is straight down through described mounting plate (10).
4. thermal treatment vacuum oven according to claim 3, it is characterized in that, on described sliding sleeve (5) outer wall, level is fixed with a lifter plate (11), on described lifter plate (11), vertically offer a threaded hole (11a), described screw mandrel (7) screw thread is located in described threaded hole (11a).
5. thermal treatment vacuum oven according to claim 1, is characterized in that, weather gage (12) is also installed on described upper furnace shell (3).
6. thermal treatment vacuum oven according to claim 1, it is characterized in that, described upper furnace shell (3) and lower furnace shell (2) are fixed together by clip (13), between described upper furnace shell (3) and the junction surface of lower furnace shell (2), are also provided with sealing-ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320432084.7U CN203403135U (en) | 2013-07-11 | 2013-07-11 | Thermal-treatment vacuum furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320432084.7U CN203403135U (en) | 2013-07-11 | 2013-07-11 | Thermal-treatment vacuum furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203403135U true CN203403135U (en) | 2014-01-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320432084.7U Expired - Fee Related CN203403135U (en) | 2013-07-11 | 2013-07-11 | Thermal-treatment vacuum furnace |
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| CN (1) | CN203403135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900376A (en) * | 2014-04-15 | 2014-07-02 | 吴江市赛纳电子科技有限公司 | Manual vacuum furnace |
| CN107716924A (en) * | 2017-09-11 | 2018-02-23 | 重庆市九瑞粉末冶金有限责任公司 | A kind of copper alloy powder smelting vacuum drying oven |
-
2013
- 2013-07-11 CN CN201320432084.7U patent/CN203403135U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103900376A (en) * | 2014-04-15 | 2014-07-02 | 吴江市赛纳电子科技有限公司 | Manual vacuum furnace |
| CN103900376B (en) * | 2014-04-15 | 2015-11-18 | 吴江市赛纳电子科技有限公司 | A kind of manual vacuum stove |
| CN107716924A (en) * | 2017-09-11 | 2018-02-23 | 重庆市九瑞粉末冶金有限责任公司 | A kind of copper alloy powder smelting vacuum drying oven |
| CN107716924B (en) * | 2017-09-11 | 2023-08-29 | 圣航粉末冶金河北有限公司 | Vacuum furnace for smelting copper alloy powder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140122 Termination date: 20140711 |
|
| EXPY | Termination of patent right or utility model |