CN106762508B - A kind of milligram of grade Fluid meter - Google Patents
A kind of milligram of grade Fluid meter Download PDFInfo
- Publication number
- CN106762508B CN106762508B CN201611211904.4A CN201611211904A CN106762508B CN 106762508 B CN106762508 B CN 106762508B CN 201611211904 A CN201611211904 A CN 201611211904A CN 106762508 B CN106762508 B CN 106762508B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- ceramic
- milligram
- rotary
- lead screw
- 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.)
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Classifications
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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
- 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
Abstract
The invention discloses a kind of milligram of grade Fluid meters, including lead screw, ceramic bar, linear stepping motor and rotary valve base, it is to be fixedly connected between the top of the lead screw and the handwheel for being fixed with liquid tank, lead screw across sliding block is installed in the vertical stand of the metering pump right end, it is fixedly connected by soket head cap screw between the rotation axis 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 between the rotary valve base and pedestal by being provided with the outer-hexagonal bolts of catch, and rotary spool is mounted on the inside of rotary valve base.The present invention is provided with control device, can automatic gauge according to the set procedure, it is easy to operate, at the same this product have the characteristics that it is pollution-free to metering fluid medium, do not occur chemical reaction, ultramicron metering, it is accurate it is high, service life is long.
Description
Technical field
The present invention relates to Fluid meter technical fields, specially a kind of milligram of grade Fluid meter.
Background technology
The science and technology of the fast development of China's science and technology since with reform and opening-up, China obtains significant achievement, successfully grinds
Various gauges are had issued, wherein just have the Fluid meter of milligram grade, and the core component of milligram grade Fluid meter is meter
Amount pump, the metering pump of traditional milligram grade gauge mostly uses greatly metal pump, but the hardness of metal pump is low, wear-resisting and corrosion-resistant
Poor performance, and non-refractory, and it is be easy to cause the pollution for measuring liquid, frequent replacement is needed during production and application
Metal pump both increases production cost in this way, needs to waste a large amount of time due to replacing the pump housing, this reduces productions to imitate
Rate cannot meet the existing market demand.
Invention content
The purpose of the present invention is to provide a kind of milligram of grade Fluid meters, to solve mentioned above in the background art ask
Topic, possessed advantageous effect are；It is provided with control device, 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 service life is long.
The technical solution that the present invention uses to solve above-mentioned technical problem for：A kind of milligram of grade Fluid meter, including silk
Bar, ceramic bar, linear stepping motor and rotary valve base are fixed between the top and the handwheel for being fixed with liquid tank of the lead screw
Connection, and liquid tank and upper end the metering pump of stepper motor is installed between be tightly connected by conduit, the metering pump right end
Vertical stand on lead screw across sliding block is installed, and metering pump and upper surface be provided with touch screen and button control device it
Between be electrically connected by conducting wire, be fixedly connected by soket head cap screw between the rotation axis and rotary sleeve of the stepper motor,
And lead between the ceramic pump housing of the stepper motor mounted on the upper end of pedestal, the rotary sleeve and inside ceramic pump liner
It crosses rotary spool to be fixedly connected, and rotary sleeve is mounted on the left side of the ceramic pump housing, between the ceramic bar and shaft coupling passes through
Shaft coupling gland is fixedly connected, and shaft coupling and is fixed between the connecting rod of floating junction left end to fix by locking nut and is connected
It connects, is 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 pedestal by being provided with the outer-hexagonal bolts of catch, and rotary spool is mounted on the interior of rotary valve base
Portion.
It is further preferred that the metering pump and vertical stand are mounted on the upper end of pedestal.
It is further preferred that the touch screen is arranged in 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 connect 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, it is easy to operate, while this product uses ceramic pump, this pump housing to have to metering fluid medium without dirt
Chemical reaction, ultramicron metering do not occur for dye, the features such as accurate high, service life is long, can pass through and rotate handwheel and improve liquid tank
Height so that the inside of liquid tank generates certain pressure, facilitates the outflow of liquid, easy to operate, is provided with floating junction,
Adjustable eccentric, while present apparatus reasonable design measure accurately, are suitble to promote the use of.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of metering pump of the present invention；
Fig. 3 is the sectional view of metering pump of the present invention.
Drawing explanation：1, liquid tank, 2, handwheel, 3, conduit, 4, stepper motor, 5, sliding block, 6, metering pump, 7, vertical stand,
8, control device, 9, touch screen, 10, button, 11, bottom plate, 12, lead screw, 13, pedestal, 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 implementation mode
In conjunction with attached drawing 1-3, a kind of embodiment provided by the invention：A kind of milligram of grade Fluid meter, including lead screw 12, pottery
Porcelain bar 19, linear stepping motor 23 and rotary valve base 25 are solid between the top of lead screw 12 and the handwheel 2 for being fixed with liquid tank 1
Fixed connection, and liquid tank 1 and upper end the metering pump 6 of stepper motor 4 is installed between be tightly connected by conduit 3, metering pump 6 is right
Lead screw 12 across sliding block 5 is installed, and metering pump 6 and upper surface are provided with touch screen 9 and button 10 in the vertical stand 7 at end
It is electrically connected by conducting wire between control device 8, passes through soket head cap screw between the rotation axis and rotary sleeve 15 of stepper motor 4
14 are fixedly connected, and stepper motor 4 is mounted on the upper end of pedestal 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 mounted on the left side of the ceramic pump housing 26, ceramics
It is fixedly connected by shaft coupling gland 20 between bar 19 and shaft coupling 27, and shaft coupling 27 and is fixed on 22 left end of floating junction
It is fixedly connected by locking nut 21 between connecting rod, is led between the connecting rod and floating junction 22 of 23 left end of linear stepping motor
It crosses locking nut 21 to be fixedly connected, be fixed between rotary valve base 25 and pedestal 13 by being provided with the outer-hexagonal bolts 24 of catch 16
Connection, and rotary spool 17 is mounted on the inside of rotary valve base 25, metering pump 6 and vertical stand 7 are mounted on the upper end of bottom plate 11, touch
It touches screen 9 to be arranged in the left side of button 10, the left end of ceramic bar 19 passes through the ceramic pump housing 26 to connect with rotary spool 17, ceramic bar 19
Diameter be less than 3mm, ceramic bar 19 and the ceramic pump housing 26 it is even 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 controls within 1%.
Operation principle：In use, stepper motor 4 and linear stepping motor 23 are respectively turned on power supply, opened by button 10
Control device 8 issues instructions to linear stepping motor 23, linear stepping motor 23 by the program of 8 designed, designed of control device
Ceramic bar 19 is connect by shaft coupling 27 and floating junction 22, ceramic bar 19 is driven to move in a straight line, is moved in ceramic bar 19
While, the pump chamber of the ceramic pump housing 26 is interior to form a closed vacuum chamber, and fluid media (medium) is inhaled into ceramics by inlet 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 out finger
It enables, stepper motor 4 connects rotary spool 17 by rotary sleeve 15 and rotates a fixed angle, and rotary spool 17 is closed at this time
Inlet, fluid media (medium) are 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 mouth is opened.Then control device 8 sends out instruction, and 23 counter motion of linear stepping motor pushes ceramic bar 19 to be restored to initially
Position, the fluid media (medium) in the pump chamber of the ceramic pump housing 26 are discharged by liquid outlet.Ceramic bar 19 controls dress after reaching initial position
It sets 8 and sends out an instruction, stepper motor 4 goes back to initial position, completes one cycle.
Have been shown and described above the basic principle of the present invention, main feature and advantage, do not depart from spirit of that invention and
Under the premise of range, the present invention also has various changes and modifications, these changes and improvements both fall within claimed invention
Range.
Claims (5)
1. a kind of milligram of grade Fluid meter, including lead screw（12）, ceramic bar（19）, linear stepping motor（23）And rotary valve base
（25）, it is characterised in that：The lead screw（12）Top and 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）Metering pump（6）Between pass through conduit（3）It is tightly connected, the metering pump
（6）The vertical stand of right end（7）On be equipped with across sliding block（5）Lead screw（12）, and metering pump（6）Upper surface is provided with touch
Screen（9）And button（10）Control device（8）Between be electrically connected by conducting wire, the stepper motor（4）Rotation axis and rotation
Shaft set（15）Between pass through soket head cap screw（14）It is fixedly connected, and stepper motor（4）Mounted on pedestal（13）Upper end, institute
State rotary sleeve（15）With mounted on ceramic pump liner（18）The internal ceramic pump housing（26）Between pass through rotary spool（17）Gu
Fixed connection, and rotary sleeve（15）Mounted on the ceramic pump housing（26）Left side, the ceramic bar（19）With shaft coupling（27）Between
Pass through 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 pedestal（13）Between by being provided with catch（16）Outer-hexagonal
Screw（24）It is fixedly connected, and rotary spool（17）Mounted on rotary valve base（25）Inside.
2. a kind of milligram of grade Fluid meter according to claim 1, it is characterised in that：The metering pump（6）With it is vertical
Frame（7）Mounted on bottom plate（11）Upper end.
3. a kind of milligram of grade Fluid meter according to claim 1, it is characterised in that：The touch screen（9）Setting exists
Button（10）Left side.
4. a kind of milligram of grade Fluid meter according to claim 1, it is characterised in that：The ceramic bar（19）Left end
Across the ceramic pump housing（26）With rotary spool（17）Connection.
5. a kind of milligram of grade 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 CN106762508A (en) | 2017-05-31 |
| CN106762508B true 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) |
Family Cites Families (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 |
| CA2942102C (en) * | 2014-04-07 | 2021-08-10 | Becton, Dickinson And Company | Rotational metering pump for insulin patch |
| CN103967733B (en) * | 2014-04-24 | 2016-04-13 | 山东海燕医用材料制造有限公司 | A kind of delicate metering ceramic plunger topping-up 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 |
-
2016
- 2016-12-25 CN CN201611211904.4A patent/CN106762508B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106762508A (en) | 2017-05-31 |
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