CN201296660Y - Graphite oven end favorable to accurate fastening motion - Google Patents
Graphite oven end favorable to accurate fastening motion Download PDFInfo
- Publication number
- CN201296660Y CN201296660Y CNU2008201553986U CN200820155398U CN201296660Y CN 201296660 Y CN201296660 Y CN 201296660Y CN U2008201553986 U CNU2008201553986 U CN U2008201553986U CN 200820155398 U CN200820155398 U CN 200820155398U CN 201296660 Y CN201296660 Y CN 201296660Y
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- mechanism module
- gas
- clamping mechanism
- carbon tube
- voltage source
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Abstract
The utility model relates to a graphite oven, in particular to a graphite-pipe holding fixture of a graphite oven end. The graphite oven end favorable to accurate fastening motion comprises a graphite-pipe clamp including a graphite-pipe clamping mechanism; the graphite-pipe clamping mechanism includes a fixed clamping mechanism module and a movable clamping mechanism module; and power supply interfaces are respectively arranged inside the fixed clamping mechanism module and the movable clamping mechanism module. The utility model is characterized in that the movable clamping mechanism module is connected with a gas drive set used for driving the movable clamping mechanism module to move and generating pressure to the movable clamping mechanism module; the gas drive set is connected with a constant-pressure gas source; and an electromagnetic valve for controlling the conduction of the constant-pressure gas source is arranged between the gas drive set and the constant-pressure gas source. The utility model has the characteristics of stable performance, long service life and convenient use.
Description
Technical field
The utility model relates to graphite furnace, relates in particular to the carbon tube gripping unit of graphite furnace head.
Background technology
Along with going deep into of atom aspect research, increase gradually the application scenario of graphite furnace, and range of application increases gradually.The quality of graphite furnace, life-span and the accessibility when using come into one's own day by day.
Influence the quality, life-span of graphite furnace and the parts of the accessibility when using mainly are the graphite furnace head parts of graphite furnace.The quality of graphite furnace head, life-span and the accessibility when using are mainly reflected in the aspect that cooperates when using with carbon tube.
Graphite furnace head is by a sleeve clamp, and carbon tube is played the effect fixing and that power for carbon tube that comprises.The quality of graphite furnace head, an importance is embodied on the performance of powering into carbon tube.If power supply performance is bad, bigger, can cause the power supply interface place to have high temperature with the power supply interface place resistance of graphite furnace head and carbon tube, influence test-results, less graphite furnace head life-span, even burn graphite furnace head.
In order to reduce power supply interface place resistance, should pass through the clamp carbon tube, but can have new problem after excessively clamping.Before the heating and be in carbon tube temperature in the heated condition and differ 10,000 even several ten thousand degrees centigrade.For the reason of expanding with heat and contract with cold, the length of carbon tube can differ one millimeter even several millimeters in the two states.The length that changes is very short, but is enough to make the carbon tube fracture.
So just there is clamp carbon tube dynamics problem accurately.Existing anchor clamps are manual regulation when clamping carbon tube fully, need veteran operator to regulate, and could control the dynamics of clamp carbon tube.That is to say that debugging is very inconvenient.And then had influence on popularizing of graphite furnace, had influence on scientific research for atomic scale.
The utility model content
The purpose of this utility model is to provide a kind of accurately graphite furnace head of clamping that helps, and has stable performance, long service life and characteristics easy to use.
The technical problem that the utility model solved can realize by the following technical solutions:
A kind of accurately graphite furnace head of clamping that helps, comprise the carbon tube anchor clamps, the carbon tube anchor clamps comprise the carbon tube clamp mechanism, described carbon tube clamp mechanism comprises that one fixes to clamp a mechanism module and a movable mechanism module that clamps, fix to clamp in mechanism module and the movable clamping mechanism module and be respectively equipped with power supply interface, it is characterized in that described movable clamping mechanism module connects driving activity clamping mechanism module and moves, and activity is clamped the actuating device of atmospheric pressure that mechanism module produces pressure;
Described actuating device of atmospheric pressure connects the constant voltage source of the gas, is provided with the magnetic valve of control constant voltage source of the gas conducting between actuating device of atmospheric pressure and constant voltage source of the gas.
The constant voltage source of the gas connects a Pneumatic controller.Set the atmospheric pressure value of constant voltage source of the gas output by Pneumatic controller.
At first set the atmospheric pressure of constant voltage source of the gas in the use.Carbon tube one end packed into fix to clamp mechanism module.Open magnetic valve then, constant voltage source of the gas driving activity clamps mechanism module and moves, and then props up carbon tube, again and then compress carbon tube, finally fixes to clamp mechanism module and the movable mechanism module that clamps clamps carbon tube with the ideal dynamics.
The atmospheric pressure value of constant voltage source of the gas is set by Pneumatic controller.Existing Pneumatic controller can point-device setting atmospheric pressure value, so as long as pre-set atmospheric pressure value just can obtain the dynamics of ideal clamping carbon tube.This atmospheric pressure value can be provided by producer.
Because the pressure of the clamping carbon tube that the utility model produces is accurate, so can not cause power supply interface place resistance excessive.Again because air pressure is constant, fix to clamp mechanism module and the movable constant pressure that clamps mechanism module to the carbon tube generation, so when carbon tube expands because of temperature variation or shrinks, movable clamping mechanism module is movable thereupon, thereby can not cause the carbon tube fracture, power supply interface place resistance can not change.So heating properties is stable, the prolongation in work-ing life.
In addition because when carbon tube expanded because of temperature variation or shrinks, activity clamped mechanism module activity thereupon, so can use bigger power to clamp with respect to the carbon tube clamp mechanism of original graphite furnace head.Can better reduce power supply interface place resistance like this, improve the temperature tolerance range, and reduce extra energy consumption.
Description of drawings
Fig. 1 is a kind of accurately one-piece construction synoptic diagram of the graphite furnace head of clamping that helps;
Fig. 2 is a kind of accurately cross-sectional view of the graphite furnace head of clamping that helps.
Embodiment
For technique means, creation characteristic that the utility model is realized, reach purpose with effect is easy to understand, below in conjunction with the further elaboration the utility model of concrete diagram.
With reference to Fig. 1, a kind of accurately graphite furnace head 1 of clamping that helps, comprise carbon tube clamp mechanism 11, carbon tube clamp mechanism 11 comprises that one fixes to clamp a mechanism module 111 and a movable mechanism module 112 that clamps, and fixes to clamp in mechanism module 111 and the movable clamping mechanism module 112 and is respectively equipped with power supply interface.
The movable mechanism module 112 connections one driving activity clamping mechanism module 112 that clamps moves, and activity is clamped the actuating device of atmospheric pressure 113 that mechanism module 112 produces pressure.Actuating device of atmospheric pressure 113 is connected the constant voltage source of the gas by inlet mouth 114 with air outlet 115.Be provided with magnetic valve in inlet mouth 114 or air outlet 115 and the pipeline that the constant voltage source of the gas is connected, by solenoid control constant voltage source of the gas conducting situation, and then the control activity clamps the pressure on the mechanism module 112.
The constant voltage source of the gas is provided with a Pneumatic controller.Set the atmospheric pressure value of constant voltage source of the gas output by Pneumatic controller.Can make the constant voltage source of the gas directly utilize the gas of graphite furnace generation in service as source of the gas.So further simplified apparatus reduces cost.
Referring to Fig. 1 and Fig. 2, at first set the atmospheric pressure of constant voltage source of the gas in the use.Carbon tube 2 one ends are packed into fix to clamp mechanism module 111.Open magnetic valve then, constant voltage source of the gas driving activity clamps mechanism module 112 and moves, and then props up carbon tube 2, again and then compress carbon tube 2, finally fixes to clamp mechanism module 111 and the movable mechanism module 112 that clamps clamps carbon tube 2 with the ideal dynamics.
The atmospheric pressure value of constant voltage source of the gas is set by Pneumatic controller.Existing Pneumatic controller can point-device setting atmospheric pressure value, so as long as pre-set atmospheric pressure value just can obtain the dynamics of ideal clamping carbon tube 2.This atmospheric pressure value can be provided by producer, also can set up on their own as required.
Because the pressure of the clamping carbon tube 2 that the utility model produces is accurate, so can not cause power supply interface place resistance excessive.Again because air pressure is constant, fix to clamp mechanism module 111 and the movable constant pressure that clamps 2 generations of 112 pairs of carbon tubes of mechanism module, so when carbon tube 2 expands because of temperature variation or shrinks, movable clamping mechanism module 112 is movable thereupon, thereby can not cause carbon tube 2 fractures, power supply interface place resistance can not change.So heating properties is stable, the prolongation in work-ing life.The utility model can also adapt to because life-time service causes carbon tube 2 to consume carbon tube 2 length variations that cause in addition.
In addition because when carbon tube 2 expanded because of temperature variation or shrinks, activity clamped mechanism module 112 activity thereupon, so can use bigger power to clamp with respect to the carbon tube clamp mechanism of original graphite furnace head.Can better reduce power supply interface place resistance like this, improve the temperature tolerance range, and reduce extra energy consumption.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification sheets just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (3)
1. one kind helps the accurately graphite furnace head of clamping, comprise the carbon tube anchor clamps, the carbon tube anchor clamps comprise the carbon tube clamp mechanism, described carbon tube clamp mechanism comprises that one fixes to clamp a mechanism module and a movable mechanism module that clamps, fix to clamp in mechanism module and the movable clamping mechanism module and be respectively equipped with power supply interface, it is characterized in that described movable clamping mechanism module connects driving activity clamping mechanism module and moves, and activity is clamped the actuating device of atmospheric pressure that mechanism module produces pressure;
Described actuating device of atmospheric pressure connects the constant voltage source of the gas, is provided with the magnetic valve of control constant voltage source of the gas conducting between actuating device of atmospheric pressure and constant voltage source of the gas.
2. a kind of accurately graphite furnace head of clamping that helps according to claim 1 is characterized in that described constant voltage source of the gas connects a Pneumatic controller, sets the atmospheric pressure value of constant voltage source of the gas output by Pneumatic controller.
3. a kind of accurately graphite furnace head of clamping that helps according to claim 1 and 2 is characterized in that described constant voltage source of the gas directly utilizes the gas of graphite furnace generation in service as source of the gas.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201553986U CN201296660Y (en) | 2008-11-14 | 2008-11-14 | Graphite oven end favorable to accurate fastening motion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201553986U CN201296660Y (en) | 2008-11-14 | 2008-11-14 | Graphite oven end favorable to accurate fastening motion |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201296660Y true CN201296660Y (en) | 2009-08-26 |
Family
ID=41042632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201553986U Expired - Lifetime CN201296660Y (en) | 2008-11-14 | 2008-11-14 | Graphite oven end favorable to accurate fastening motion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201296660Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734652B (en) * | 2008-11-14 | 2012-08-22 | 上海光谱仪器有限公司 | Pneumatic clamping graphite furnace head |
| CN107894397A (en) * | 2017-12-18 | 2018-04-10 | 上海仪电分析仪器有限公司 | Self-adapting type graphite furnace self-locking device |
-
2008
- 2008-11-14 CN CNU2008201553986U patent/CN201296660Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101734652B (en) * | 2008-11-14 | 2012-08-22 | 上海光谱仪器有限公司 | Pneumatic clamping graphite furnace head |
| CN107894397A (en) * | 2017-12-18 | 2018-04-10 | 上海仪电分析仪器有限公司 | Self-adapting type graphite furnace self-locking device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C53 | Correction of patent for invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Chen Jiangang Inventor before: Chen Jiangang Inventor before: Wang Xiaoqing |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: CHEN JIANGANG WANG XIAOQING TO: CHEN JIANGANG |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20090826 Effective date of abandoning: 20081114 |