CN203098175U - Metering pump with novel stepping motor control structure - Google Patents
Metering pump with novel stepping motor control structure Download PDFInfo
- Publication number
- CN203098175U CN203098175U CN 201220557847 CN201220557847U CN203098175U CN 203098175 U CN203098175 U CN 203098175U CN 201220557847 CN201220557847 CN 201220557847 CN 201220557847 U CN201220557847 U CN 201220557847U CN 203098175 U CN203098175 U CN 203098175U
- Authority
- CN
- China
- Prior art keywords
- stepper motor
- pump housing
- piston column
- fixed tray
- stepping motor
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model belongs to the technical field of isotope split charging and particularly relates to a metering pump with a novel stepping motor control structure, which comprises a piston column, a pump body, a stepping motor, a guiding column, a piston column fixing disc, a pump body fixing disc, a pump body pressing disc, a stepping motor fixing disc and limit switches, wherein the piston column and the stepping motor are jointly and fixedly arranged on the piston column fixing disc, the pump body is arranged on the pump body fixing disc, the pump body pressing disc is arranged above the pump body, the stepping motor is arranged on the stepping motor fixing disc, the piston column fixing disc, the pump body fixing disc and the stepping motor fixing disc are respectively connected with the guiding column, and supporting legs are arranged below the pump body fixing disc. The metering pump has the advantages that the structure is safe, the operation is simple, a piston has better tightness, and the stepping motor is capable of giving full play to the functions of the stepping motor.
Description
Technical field
The utility model belongs to isotope packing technical field, relates in particular to a kind of metering pump with novel stepper motor control structure.
Background technique
It is to be used for the liquid isotope is measured the device that branch installs to releaser inside on request that the liquid isotope divides assembling system, because isotope has radioactivity, human body can not directly contact, therefore need design one cover divide assembling system by the software control automatic subpackaging in releaser.
The model utility content
Technical problem to be solved in the utility model provides in a kind of jar that various required liquid is sucked and are expressed into setting mixes, thereby the parenteral solution branch that mixes the most at last installs to the metering pump with novel stepper motor control structure of finishing the branch process of assembling in the releaser.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of metering pump with novel stepper motor control structure, described metering pump comprises piston column, the pump housing, stepper motor, directional post, the piston column fixed tray, pump housing fixed tray, pump housing platen, stepper motor fixed tray and limit switch, described piston column and stepper motor are fixed on the described piston column fixed tray jointly, the described pump housing is arranged on the described pump housing fixed tray, the top of the described pump housing is provided with described pump housing platen, described stepper motor is arranged on the described stepper motor fixed tray, described piston column fixed tray, pump housing fixed tray is connected with described directional post respectively with the stepper motor fixed tray, and described pump housing fixed tray below is equipped with leg.
As the further optimization of technique scheme, described piston column fixed tray is provided with mobile guide pin bushing.
As the further optimization of technique scheme, the lower end surface of the upper-end surface of described pump housing platen and stepper motor fixed tray is provided with limit switch.
As the further optimization of technique scheme, described pump housing below is provided with liquid outlet.
As the further optimization of technique scheme, on the described directional post stop collar is housed.
Further optimization as technique scheme is provided with seal ring between the described piston column and the pump housing.
Pitch according to pump housing internal diameter and stepper motor leading screw can be determined the amount that extracts liquid accurately by software.Metering pump moves up and down by the positive and negative direction rotation drive piston column of stepper motor, when piston column moves up, required liquid is pumped in the pump housing, when piston column moves down liquid is expressed in the jar of setting and mixes, the liquid that mixes the most at last by the program of setting injects releaser.
Consider in the utility model that related isotope has stronger corrosivity, so the pump housing and piston column all select for use 304 stainless steel materials to make.Consider in order to get information about the position of the inner liquid level of the pump housing,, upwards move down the amount that just can know that piston column extracts or pushed liquid along with piston column so the liquid level groove is engraved on the piston column.
The O type circle of installing in order to seal on the piston column in the utility model is the fluorine rubber material, and purpose is to prevent by the isotope liquid corrosion.
A kind of beneficial effect with metering pump of novel stepper motor control structure of the utility model mainly shows as: structural safety, simple to operate, and piston has better seal, and stepper motor can be given full play to its effect.
Description of drawings
Fig. 1 is a kind of perspective view with metering pump of novel stepper motor control structure of the utility model.
Fig. 2 is a kind of cross-sectional view with metering pump of novel stepper motor control structure of the utility model.
Embodiment
Below in conjunction with drawings and Examples the utility model embodiment is described:
Shown in Fig. 1-2, as a kind of preferred forms with metering pump of novel stepper motor control structure of the utility model, it comprises pump housing fixed tray 1, and the pump housing 2 is housed on pump housing fixed tray 1,
The below of the pump housing 2 is provided with liquid outlet 15.
Piston column 4 is fixed on the below of piston column fixed tray 6, connects with screw between the two, and the feed screw nut of stepper motor 8 is installed in the top of piston fixed tray 6, connects with screw between the two.
Piston column fixed tray 6 is provided with guide sleeve 9, prevents that piston column fixed tray 6 from rotating with the leading screw of stepper motor 8, and plays the effect of protection directional post.
Another limit switch 12 is installed in pump housing platen 3 tops, and when going downwards to limit position when piston column 4 and piston column fixed tray 6 under the drive at stepper motor, limit switch 12 effects make stepper motor stop action.
Because the isotope liquid of packing has more intense corrosivity, so the pump housing 2 and piston column 4 select for use 304 stainless steel materials to make, " O " type circle 5 on the piston column 4 is also selected corrosion resistant fluorine rubber material for use.
In order relatively to get information about the extraction amount of liquid in the pump housing 2, on piston column 4, be carved with the liquid level groove, can clearly know the amount that has liquid in the pump housing 2 by groove.
Pitch according to pump housing internal diameter and stepper motor leading screw can be determined the amount that extracts liquid accurately by software.Metering pump moves up and down by the positive and negative direction rotation drive piston column of stepper motor, when piston column moves up, required liquid is pumped in the pump housing, when piston column moves down liquid is expressed in the jar of setting and mixes, the liquid that mixes the most at last by the program of setting injects releaser.
Consider in the utility model that related isotope has stronger corrosivity, so the pump housing and piston column all select for use 304 stainless steel materials to make.Consider in order to get information about the position of the inner liquid level of the pump housing,, upwards move down the amount that just can know that piston column extracts or pushed liquid along with piston column so the liquid level groove is engraved on the piston column.
" O " type circle of installing in order to seal on the piston column in the utility model is the fluorine rubber material, and purpose is to prevent by the isotope liquid corrosion.
Present embodiment is when specific operation:
When stepper motor turns round, drive piston by leading screw and move up and down, realize the injection or the extraction of raw material, the pitch of advancing according to the internal diameter and the stepper motor leading screw of the pump housing can accurately calculate the volume that injects or extract liquid then.To Stepping Motor Control is to control by the software far-end, simultaneously is marked with scale at the metering pump piston, by video monitoring can be clear and intuitive the whole operation process of observing.
Whole extraction injection process is: when at first advancing the driven by motor piston stroking upward, corresponding solenoid valve is opened on the connecting pipeline, after extracting required liquid, closed electromagnetic valve, open the solenoid valve on the required injection flow direction pipeline then, stepper motor drives descent of piston, and liquid is squeezed in corresponding jar, finishes once to inject and extracts action.Suppress bad motor when deviating from the pump housing when preventing that piston from moving up and being moved down into pump housing bottom surface, upper and lower at the piston fixed tray respectively is equipped with limit switch, stop collar also has been installed has simultaneously been prevented that movable part from colliding limit switch and causing the spacing malfunctioning mechanical failure that causes.
In conjunction with the accompanying drawings the utility model preferred implementation has been done detailed description above, but the utility model is not limited to above-mentioned mode of execution, in the ken that those of ordinary skills possessed, can also under the prerequisite that does not break away from the utility model aim, make various variations.
Do not break away from design of the present utility model and scope and can make many other changes and remodeling.Should be appreciated that the utility model is not limited to specific mode of execution, scope of the present utility model is defined by the following claims.
Claims (6)
1. metering pump with novel stepper motor control structure, it is characterized in that, described metering pump comprises piston column, the pump housing, stepper motor, directional post, the piston column fixed tray, pump housing fixed tray, pump housing platen, stepper motor fixed tray and limit switch, described piston column and stepper motor are fixed on the described piston column fixed tray jointly, the described pump housing is arranged on the described pump housing fixed tray, the top of the described pump housing is provided with described pump housing platen, described stepper motor is arranged on the described stepper motor fixed tray, described piston column fixed tray, pump housing fixed tray is connected with described directional post respectively with the stepper motor fixed tray, and described pump housing fixed tray below is equipped with leg.
2. a kind of metering pump with novel stepper motor control structure according to claim 1 is characterized in that described piston column fixed tray is provided with mobile guide pin bushing.
3. a kind of metering pump with novel stepper motor control structure according to claim 1 is characterized in that the lower end surface of the upper-end surface of described pump housing platen and stepper motor fixed tray is provided with limit switch.
4. a kind of metering pump with novel stepper motor control structure according to claim 1 is characterized in that, described pump housing below is provided with liquid outlet.
5. a kind of metering pump with novel stepper motor control structure according to claim 1 is characterized in that, on the described directional post stop collar is housed.
6. a kind of metering pump with novel stepper motor control structure according to claim 1 is characterized in that, is provided with seal ring between the described piston column and the pump housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557847 CN203098175U (en) | 2012-10-29 | 2012-10-29 | Metering pump with novel stepping motor control structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220557847 CN203098175U (en) | 2012-10-29 | 2012-10-29 | Metering pump with novel stepping motor control structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203098175U true CN203098175U (en) | 2013-07-31 |
Family
ID=48849582
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220557847 Expired - Fee Related CN203098175U (en) | 2012-10-29 | 2012-10-29 | Metering pump with novel stepping motor control structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203098175U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074705A (en) * | 2014-06-26 | 2014-10-01 | 成都西屋科技发展有限公司 | Electric metering plunger pump |
| CN104826542A (en) * | 2015-04-23 | 2015-08-12 | 山东省科学院海洋仪器仪表研究所 | Reagent continuous quantitative injection device |
| CN105986984A (en) * | 2015-03-18 | 2016-10-05 | 唐世杰 | Fluid supply device |
| CN112032013A (en) * | 2020-08-21 | 2020-12-04 | 深圳飞子科技发展有限公司 | Fluid pump capable of controlling fluid feeding amount and automatic cooker |
| CN116480555A (en) * | 2023-05-09 | 2023-07-25 | 江苏齐力特环境技术有限公司 | Two-stage compression refrigeration cycle compressor |
-
2012
- 2012-10-29 CN CN 201220557847 patent/CN203098175U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104074705A (en) * | 2014-06-26 | 2014-10-01 | 成都西屋科技发展有限公司 | Electric metering plunger pump |
| CN105986984A (en) * | 2015-03-18 | 2016-10-05 | 唐世杰 | Fluid supply device |
| CN104826542A (en) * | 2015-04-23 | 2015-08-12 | 山东省科学院海洋仪器仪表研究所 | Reagent continuous quantitative injection device |
| CN112032013A (en) * | 2020-08-21 | 2020-12-04 | 深圳飞子科技发展有限公司 | Fluid pump capable of controlling fluid feeding amount and automatic cooker |
| CN116480555A (en) * | 2023-05-09 | 2023-07-25 | 江苏齐力特环境技术有限公司 | Two-stage compression refrigeration cycle compressor |
| CN116480555B (en) * | 2023-05-09 | 2024-02-06 | 江苏齐力特环境技术有限公司 | Two-stage compression refrigeration cycle compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203098175U (en) | Metering pump with novel stepping motor control structure | |
| CN203524474U (en) | Vertical type capsule brewing device used for coffee machine | |
| CN209690071U (en) | A kind of valve production detection water test unit | |
| CN106269341A (en) | Electric rotary machine end cap baster | |
| CN106345638B (en) | Automatic-lifting type electric motor end cap oil-adding mechanism | |
| CN202164673U (en) | Platform-controlled water draining device | |
| CN202112913U (en) | Capsule ejection apparatus of capsule coffee machine | |
| CN209136223U (en) | A kind of coffee machine | |
| CN103057750A (en) | No-leakage material filling head and material filling method thereof | |
| CN105172445A (en) | Automatic ink grinding machine | |
| CN206774356U (en) | A kind of support for being used to support transformer | |
| CN202719175U (en) | Non-touch type switch ball valve of large-flow high-pressure controller | |
| CN104973557B (en) | A kind of fluid lifts device that can be counted automatically | |
| CN103381057A (en) | Vertical capsule brewing device for coffee machine | |
| CN206420833U (en) | A kind of straight tower gas chromatograph automatic sampler | |
| CN202923922U (en) | No-leakage material filling head | |
| CN203373813U (en) | Automatic water supplying device of water tank | |
| CN106256444B (en) | Electric motor end cap oiling station | |
| CN106269340A (en) | The automatic oiling of the red steel disc of electric motor end cap assembles equipment | |
| CN205779535U (en) | Intelligence fluid filling pump | |
| CN208237454U (en) | Automatic butter grease quantitative charging machine | |
| CN208535537U (en) | The refueling device of swing mechanism of stacker-reclaimer | |
| CN203165796U (en) | Dehumidifier switch structure and dehumidifier | |
| CN206390772U (en) | A kind of coffee machine with the control device for automatically opening up and closing leak-proof valve | |
| CN217054536U (en) | Automatic water storage device for brine pond |
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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130731 Termination date: 20171029 |