CN106762508A - A kind of milligram level Fluid meter - Google Patents
A kind of milligram level Fluid meter Download PDFInfo
- Publication number
- CN106762508A CN106762508A CN201611211904.4A CN201611211904A CN106762508A CN 106762508 A CN106762508 A CN 106762508A CN 201611211904 A CN201611211904 A CN 201611211904A CN 106762508 A CN106762508 A CN 106762508A
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- rotary
- ceramic
- fluid meter
- screw mandrel
- 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.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of milligram level Fluid meter, including screw mandrel, ceramic bar, linear stepping motor and rotary valve base, it is to be fixedly connected between the top of the screw mandrel and the handwheel for being fixed with liquid tank, screw mandrel through sliding block is installed in the vertical stand of the measuring pump right-hand member, it is fixedly connected by soket head cap screw between the rotary shaft of the stepper motor and rotary sleeve, it is fixedly connected by shaft coupling gland between the ceramic bar and shaft coupling, it is fixedly connected by locking nut between the connecting rod and floating junction of the linear stepping motor left end, it is fixedly connected by being provided with the outer-hexagonal bolts of catch between the rotary valve base and base, and rotary spool is arranged on the inside of rotary valve base.The present invention is provided with control device, can be easy to operate according to the program automatic gauge of setting, at the same this product have it is pollution-free to metering fluid medium, the features such as there is no chemical reaction, ultramicron metering, accurate high, long service life.
Description
Technical field
The present invention relates to Fluid meter technical field, specially a kind of milligram level Fluid meter.
Background technology
The fast development of China's science and technology since with reform and opening-up, the science and technology of China obtains significant achievement, successfully grinds
Various gauges are have issued, wherein just have the Fluid meter of milligram level, and the core component of milligram level Fluid meter is meter
Amount pump, the measuring pump of traditional milligram level gauge uses metal pump mostly, but the hardness of metal pump is low, wear-resisting and corrosion-resistant
Poor performance, and non-refractory, and the pollution of measurement liquid is easily caused, frequent replacing is needed during production and application
Metal pump, so both increased production cost, need to waste the substantial amounts of time due to changing the pump housing, this reduces production effect
Rate, can not meet the existing market demand.
The content of the invention
It is an object of the invention to provide a kind of milligram level Fluid meter, with asking for solving to propose in above-mentioned background technology
Topic, is had an advantageous effect in that；Control device is provided with, can be easy to operate according to the PLC program automatic gauge of setting, together
When this product using ceramic pump have it is pollution-free to metering fluid medium, do not occur chemical reaction, ultramicron metering, it is accurate high,
The features such as long service life.
The present invention for solve the technical scheme that uses of above-mentioned technical problem for：A kind of milligram level Fluid meter, including silk
Bar, ceramic bar, linear stepping motor and rotary valve base, are fixed between the top of the screw mandrel and the handwheel for being fixed with liquid tank
Connection, and be tightly connected by conduit between liquid tank and upper end are provided with the measuring pump of stepper motor, the measuring pump right-hand member
Vertical stand on screw mandrel through sliding block is installed, and measuring pump and upper surface be provided with touch-screen and button control device it
Between by wire be electrically connected with, be fixedly connected by soket head cap screw between the rotary shaft and rotary sleeve of the stepper motor,
And stepper motor is arranged on the upper end of base, lead between the rotary sleeve and the ceramic pump housing inside ceramic pump liner
Rotary spool is crossed to be fixedly connected, and rotary sleeve is arranged on the left side of the ceramic pump housing, passes through between the ceramic bar and shaft coupling
Shaft coupling gland is fixedly connected, and shaft coupling and is fixed between the connecting rod of floating junction left end to be fixed by locking nut and connects
Connect, be fixedly connected by locking nut between the connecting rod and floating junction of the linear stepping motor left end, the rotary valve
Seat is fixedly connected between base by being provided with the outer-hexagonal bolts of catch, and rotary spool is arranged on the interior of rotary valve base
Portion.
It is further preferred that the measuring pump and vertical stand are arranged on the upper end of base.
It is further preferred that the touch-screen is arranged on the left side of button.
It is further preferred that the left end of the ceramic bar passes through the ceramic pump housing to be connected with rotary spool.
It is further preferred that the diameter of the ceramic bar is less than 3mm.
Compared with prior art, the beneficial effects of the invention are as follows：The equipment is provided with control device, can be according to setting
PLC program automatic gauge, easy to operate, while this product uses ceramic pump, this pump housing has to metering fluid medium without dirt
The features such as contaminating, chemical reaction, ultramicron metering, accurate height, long service life do not occur, can be by rotating handwheel raising liquid tank
Height so that the inside of liquid tank produces certain pressure, facilitates the outflow of liquid, easy to operate, is provided with floating junction,
Adjustable eccentric, while the present apparatus is reasonable in design, measurement is accurate, is adapted to promote the use of.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is the structural representation of measuring pump of the present invention；
Fig. 3 is the profile of measuring pump of the present invention.
Drawing explanation：1st, liquid tank, 2, handwheel, 3, conduit, 4, stepper motor, 5, sliding block, 6, measuring pump, 7, vertical stand,
8th, control device, 9, touch-screen, 10, button, 11, base plate, 12, screw mandrel, 13, base, 14, soket head cap screw, 15, rotary shaft
Set, 16, catch, 17, rotary spool, 18, ceramic pump liner, 19, ceramic bar, 20, shaft coupling gland, 21, locking nut, 22,
Floating junction, 23, linear stepping motor, 24, outer-hexagonal bolts, 25, rotary valve base, 26, the ceramic pump housing, 27, shaft coupling.
Specific embodiment
With reference to a kind of embodiment that accompanying drawing 1-3, the present invention are provided：A kind of milligram level Fluid meter, including screw mandrel 12, pottery
Porcelain bar 19, linear stepping motor 23 and rotary valve base 25, are solid between the top of screw mandrel 12 and the handwheel 2 for being fixed with liquid tank 1
Fixed connection, and be tightly connected by conduit 3 between liquid tank 1 and upper end are provided with the measuring pump 6 of stepper motor 4, the right side of measuring pump 6
Screw mandrel 12 through sliding block 5 is installed in the vertical stand 7 at end, and measuring pump 6 and upper surface are provided with touch-screen 9 and button 10
It is electrically connected with by wire between control device 8, soket head cap screw is passed through between the rotary shaft and rotary sleeve 15 of stepper motor 4
14 are fixedly connected, and stepper motor 4 is installed in the upper end of base 13, rotary sleeve 15 and inside ceramic pump liner 18
It is fixedly connected by rotary spool 17 between the ceramic pump housing 26, and rotary sleeve 15 is arranged on the left side of the ceramic pump housing 26, ceramics
Be fixedly connected by shaft coupling gland 20 between bar 19 and shaft coupling 27, and shaft coupling 27 be fixed on the left end of floating junction 22
It is fixedly connected by locking nut 21 between connecting rod, is led between the connecting rod and floating junction 22 of the left end of linear stepping motor 23
Cross locking nut 21 to be fixedly connected, fixed by being provided with the outer-hexagonal bolts 24 of catch 16 between rotary valve base 25 and base 13
Connection, and rotary spool 17 is arranged on the inside of rotary valve base 25, measuring pump 6 and vertical stand 7 are arranged on the upper end of base plate 11, touch
The left side that screen 9 is arranged on button 10 is touched, the left end of ceramic bar 19 passes through the ceramic pump housing 26 to be connected with rotary spool 17, ceramic bar 19
Diameter be less than 3mm, ceramic bar 19 it is even with the ceramic pump housing 26 with precision within 2 μm, measures range is at 5 milligrams（Microlitre）~60
Milligram（Microlitre）.Servo-drive straight line and rotating operation, precision controlling is in every step 0.0127mm, servo-drive system and ceramic pump piston
Bar is directly connected to, gapless, and filling accuracy is controlled within 1%.
Operation principle：When using, stepper motor 4 and linear stepping motor 23 are respectively turned on power supply, are opened by button 10
Control device 8, by the program of the designed, designed of control device 8, issues instructions to linear stepping motor 23, linear stepping motor 23
Ceramic bar 19 is connect by shaft coupling 27 and floating junction 22, drives ceramic bar 19 to move along a straight line, moved in ceramic bar 19
While, a closed vacuum chamber is formed in the pump chamber of the ceramic pump housing 26, fluid media (medium) is inhaled into ceramics by feed tube
In the pump chamber of the pump housing 26.When ceramic bar 19 moves to setting position, control device 8 issues instructions to stepper motor 4 and sends finger
Order, stepper motor 4 connects rotary spool 17 and rotates a fixed angle by rotary sleeve 15, and now rotary spool 17 is closed
Inlet, fluid media (medium) is stored in the pump chamber of the ceramic pump housing 26, and rotary spool 17 goes out while turning to above-mentioned fixed angle
Liquid mouthful is opened.Then control device 8 sends instruction, and the counter motion of linear stepping motor 23 promotes ceramic bar 19 to return to initially
Position, the fluid media (medium) in the pump chamber of the ceramic pump housing 26 is discharged by liquid outlet.Ceramic bar 19 controls dress after reaching initial position
Put 8 and send an instruction, stepper motor 4 goes back to initial position, completes one cycle.
General principle of the invention, principal character and advantage has been shown and described above, do not depart from spirit of the invention and
On the premise of scope, the present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention
Scope.
Claims (5)
1. a kind of milligram level Fluid meter, including screw mandrel（12）, ceramic bar（19）, linear stepping motor（23）And rotary valve base
（25）, it is characterised in that：The screw mandrel（12）Top be fixed with liquid tank（1）Handwheel（2）Between to be fixedly connected, and
Liquid tank（1）Stepper motor is installed with upper end（4）Measuring pump（6）Between pass through conduit（3）It is tightly connected, the measuring pump
（6）The vertical stand of right-hand member（7）On be provided with through sliding block（5）Screw mandrel（12）, and measuring pump（6）Upper surface is provided with touch
Screen（9）And button（10）Control device（8）Between by wire be electrically connected with, the stepper motor（4）Rotary shaft with rotation
Rotating shaft set（15）Between pass through soket head cap screw（14）It is fixedly connected, and stepper motor（4）Installed in base（13）Upper end, institute
State rotary sleeve（15）With installed in ceramic pump liner（18）The internal ceramic pump housing（26）Between pass through rotary spool（17）Gu
Fixed connection, and rotary sleeve（15）Installed in the ceramic pump housing（26）Left side, the ceramic bar（19）With shaft coupling（27）Between
By shaft coupling gland（20）It is fixedly connected, and shaft coupling（27）Be fixed on floating junction（22）Lead between the connecting rod of left end
Cross locking nut（21）It is fixedly connected, the linear stepping motor（23）The connecting rod and floating junction of left end（22）Between pass through
Locking nut（21）It is fixedly connected, the rotary valve base（25）With base（13）Between by being provided with catch（16）Outer-hexagonal
Screw（24）It is fixedly connected, and rotary spool（17）Installed in rotary valve base（25）Inside.
2. a kind of milligram level Fluid meter according to claim 1, it is characterised in that：The measuring pump（6）With it is vertical
Frame（7）Installed in base plate（11）Upper end.
3. a kind of milligram level Fluid meter according to claim 1, it is characterised in that：The touch-screen（9）It is arranged on
Button（10）Left side.
4. a kind of milligram level Fluid meter according to claim 1, it is characterised in that：The ceramic bar（19）Left end
Through the ceramic pump housing（26）With rotary spool（17）Connection.
5. a kind of milligram level Fluid meter according to claim 1, it is characterised in that：The ceramic bar（19）Diameter
Less than 3mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211904.4A CN106762508B (en) | 2016-12-25 | 2016-12-25 | A kind of milligram of grade Fluid meter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611211904.4A CN106762508B (en) | 2016-12-25 | 2016-12-25 | A kind of milligram of grade Fluid meter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106762508A true CN106762508A (en) | 2017-05-31 |
| CN106762508B CN106762508B (en) | 2018-09-07 |
Family
ID=58919463
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611211904.4A Active CN106762508B (en) | 2016-12-25 | 2016-12-25 | A kind of milligram of grade Fluid meter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106762508B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557133A (en) * | 2013-11-15 | 2014-02-05 | 成都蓉药集团四川长威制药有限公司 | Micro liquid metering ceramic pump for drug production |
| CN103967733A (en) * | 2014-04-24 | 2014-08-06 | 山东海燕医用材料制造有限公司 | Precision metering ceramic plunger liquid charge pump |
| WO2015157174A1 (en) * | 2014-04-07 | 2015-10-15 | Becton, Dickinson And Company | Rotational metering pump for insulin patch |
| CN105257501A (en) * | 2015-11-03 | 2016-01-20 | 天津市能信科技有限公司 | Novel ceramic liquid charge pump |
| CN206309541U (en) * | 2016-12-25 | 2017-07-07 | 新乡市大昌精密陶瓷技术有限公司 | A kind of milligram level Fluid meter |
-
2016
- 2016-12-25 CN CN201611211904.4A patent/CN106762508B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103557133A (en) * | 2013-11-15 | 2014-02-05 | 成都蓉药集团四川长威制药有限公司 | Micro liquid metering ceramic pump for drug production |
| WO2015157174A1 (en) * | 2014-04-07 | 2015-10-15 | Becton, Dickinson And Company | Rotational metering pump for insulin patch |
| CN103967733A (en) * | 2014-04-24 | 2014-08-06 | 山东海燕医用材料制造有限公司 | Precision metering ceramic plunger liquid charge pump |
| CN105257501A (en) * | 2015-11-03 | 2016-01-20 | 天津市能信科技有限公司 | Novel ceramic liquid charge pump |
| CN206309541U (en) * | 2016-12-25 | 2017-07-07 | 新乡市大昌精密陶瓷技术有限公司 | A kind of milligram level Fluid meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762508B (en) | 2018-09-07 |
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