CN106640579B - A kind of accurate adjusting metering pump - Google Patents
A kind of accurate adjusting metering pump Download PDFInfo
- Publication number
- CN106640579B CN106640579B CN201611104856.9A CN201611104856A CN106640579B CN 106640579 B CN106640579 B CN 106640579B CN 201611104856 A CN201611104856 A CN 201611104856A CN 106640579 B CN106640579 B CN 106640579B
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- CN
- China
- Prior art keywords
- plunger rod
- connecting plate
- plunger
- plate
- metering pump
- 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
-
- 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
-
- 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
- F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
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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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses a kind of accurate adjusting metering pumps, for controlling the precise measurement technique field of micro fluid, including support member, if rotary driving part on the supporting member, the pump housing and angle adjusting mechanism, the pump housing includes cylinder body, it is located at the in vivo piston body of cylinder and plunger rod, plunger cavity is equipped in piston body, plunger rod is mounted in plunger cavity, the distal end of piston body is equipped with inlet and liquid outlet, the distal end of plunger rod is equipped with plunger notch, angle adjusting mechanism includes setting hinged ear on the supporting member, the hinged seat being mounted in by axis pin in hinged ear and the precise regulation mechanism that hinged seat can be driven to be rotated around axis pin, cylinder body is mounted on hinged seat, the output terminal of rotary driving part is connected by rotary joint at axis pin with the near-end of plunger rod.By precise regulation mechanism flexibly changing piston body compared with the angle of rotary driving part, instead of adjusting manually, adjusting method can be simplified, improve the accuracy of fluid flow control, improve production efficiency.
Description
Technical field
The present invention is for controlling the precise measurement technique field of micro fluid, more particularly to a kind of accurate adjusting metering
Pump.
Background technology
In the process of producing product such as battery, cosmetics, food, electronic product, biological reagent, the packing of fluid, point liquid,
The production procedures such as dispensing, spraying need to dispense fluid using accurate metering pump；
The metering pump of mainstream to adjust based on flow manually at present, and adjusting method is complicated, inefficiency, and accuracy is low.
The content of the invention
To solve the above problems, the present invention provides a kind of accurate adjusting metering pump, adjusting method can be simplified, improve liquid
The accuracy of flow control improves production efficiency.
The technical solution adopted by the present invention to solve the technical problems is：A kind of accurate adjusting metering pump, including support portion
The part and rotary driving part being located in the support member, the pump housing and angle adjusting mechanism, the pump housing include cylinder body with
And the in vivo piston body of cylinder and plunger rod are located at, plunger cavity is equipped in piston body, plunger rod is mounted in plunger cavity, piston body
Distal end is equipped with inlet and liquid outlet, and the distal end of plunger rod is equipped with plunger notch, and the angle adjusting mechanism includes being located at support
Hinged ear, the hinged seat being mounted in by axis pin in hinged ear and the essence that the hinged seat can be driven to be rotated around axis pin on component
True adjusting mechanism, the cylinder body are mounted on hinged seat, and the output terminal of the rotary driving part is by rotary joint in axis pin
Place is connected with the near-end of plunger rod.
The improvement of technical solution of the present invention is further used as, the support member includes bottom plate and is vertically mounted on bottom plate
Installing plate, the hinged ear includes being located at two pieces of support plates on front side of installing plate, opens up what is be opposite to each other in two pieces of support plates
Pin shaft hole, the hinged seat include the first connecting plate that two pieces of swivel plates are fixedly connected with by two pieces of swivel plates, two pieces of swivel plates
It is correspondingly arranged with support plate and is hinged by axis pin with corresponding support plate, the cylinder body is fixedly mounted on the first connecting plate.
The improvement of technical solution of the present invention is further used as, the rotary driving part includes being located at the master on rear side of installing plate
Electric rotating machine, the installing plate are equipped with the through hole passed through for the output shaft of main electric rotating machine, and the output shaft of main electric rotating machine is worn
Installing plate is crossed after the rotary joint that connection plunger rod is equipped between two support plates.
The improvement of technical solution of the present invention is further used as, the rotary joint includes shaft coupling, is located on shaft coupling
First spherical bearing and the connection axis pin for being located at plunger rod near-end, the connection axis pin inject the endoporus of the first spherical bearing
In.
The improvement of technical solution of the present invention is further used as, the top of two pieces of swivel plates is equipped with the second connecting plate, the essence
True adjusting mechanism includes setting linear drives component on a mounting board, the 3rd connection for being located at the linear drives element outputs
Plate, the second spherical bearing being located on the 3rd connecting plate and on second connecting plate and through described second
First guiding axis of spherical bearing endoporus.
The improvement of technical solution of the present invention is further used as, two first guiding axis are arranged side by side on the second connecting plate,
The top of two first guiding axis is fixedly connected in the top of the 3rd connecting plate by gag lever post.
The improvement of technical solution of the present invention is further used as, the linear drives component includes being located at straight on rear side of installing plate
Line motor, the output terminal of linear motor are extended in front of installing plate and are fixedly connected with the 3rd connecting plate.
The improvement of technical solution of the present invention is further used as, the both ends of the 3rd connecting plate are equipped with pilot hole, the peace
Loading board is equipped with parallel with the driving direction of linear motor and penetrates the second guiding axis in the pilot hole.
Beneficial effects of the present invention：The size of the operation principle and feature, i.e. fluid flow of metering pump is directed in the present invention
Related compared with the angle of the output terminal of rotary driving part with piston body, angle angle is bigger, and flow is bigger, sets special
Precise regulation mechanism, by precise regulation mechanism flexibly changing piston body compared with the folder of the output terminal of rotary driving part
Angle so as to replace adjusting manually, can simplify adjusting method, improve the accuracy of fluid flow control, improve production efficiency.
Description of the drawings
The invention will be further described below in conjunction with the accompanying drawings：
Fig. 1 is schematic structural view of the invention；
Fig. 2 is rear structure schematic diagram of the present invention；
Fig. 3 is structural side view of the present invention；
Fig. 4 is structural front view of the present invention；
Fig. 5 is sectional view at A-A in Fig. 4；
Fig. 6 is sectional view at B-B in Fig. 5.
Specific embodiment
Referring to figs. 1 to Fig. 6, that show the concrete structures of the preferred embodiments of the invention.It will be detailed below this
Invent the design feature of each element, and during if there is being described to direction (upper and lower, left and right, before and after), it is with shown in FIG. 1
Structure is that reference describes, but the actual use direction of the present invention is not limited thereto.
The present invention provides a kind of accurate adjusting metering pumps, including support member 1 and are located in the support member 1
Rotary driving part, the pump housing and angle adjusting mechanism, the pump housing include cylinder body 21 and the piston body 22 being located in cylinder body 21
With plunger rod 23, plunger rod 23 is preferably ceramics pole stopper rod, plunger cavity is equipped in piston body 22, plunger rod 23 is mounted on plunger cavity
Interior, plunger rod 23 is bonded with the cavity wall matching of plunger cavity, and the distal end of piston body 22 is equipped with inlet 24 and liquid outlet 25, plunger rod
23 distal end is equipped with plunger notch 26, and the angle adjusting mechanism includes the hinged ear being located in support member 1, by axis pin 31
Hinged seat in hinged ear and the precise regulation mechanism that the hinged seat can be driven to be rotated around axis pin 31, the cylinder body 21
On hinged seat, the output terminal of the rotary driving part by rotary joint at axis pin 31 with the near-end of plunger rod 23
Connection.
When measuring pump work, piston body 22 is angled therebetween compared with the output terminal of rotary driving part, rotary driving part
When part driving rotary joint rotates, rotary joint drives ceramics pole stopper rod to be rotated and moved back and forth in piston body 22,
Rotary motion is used for changing the direction of 23 distal end plunger notch 26 of plunger rod, moves back and forth and is then used for feed liquor and goes out liquid, liquid
Pass through inlet 24 and 25 inspiration of liquid outlet and discharge.The operation principle and feature of metering pump, i.e. liquid flow are directed in the present invention
The size of amount is related compared with the angle of the output terminal of rotary driving part with piston body 22, and angle angle is bigger, and flow is bigger,
When angle is 0 degree, flow O sets special precise regulation mechanism, passes through precise regulation mechanism flexibly changing piston body 22
Compared with the angle of the output terminal of rotary driving part, so as to replace adjusting manually, adjusting method can be simplified, improve liquid flow
The accuracy of control is measured, improves production efficiency.
The above-mentioned specific operation principle of metering pump is as follows：
1. when plunger rod 23 is in preceding stop（Distally）When position, the plunger notch 26 of plunger rod 23 avoids inlet
24 and liquid outlet 25, inlet 24 and liquid outlet 25 all closed by plunger rod 23, sucking will start.
2. with rear shifting, the rotation of plunger rod 23, plunger notch 26 turns to inlet 24, and inlet 24 is opened, and goes out liquid
Mouth 25 is then closed by plunger rod 23, which is suction condition.
3. stop after plunger rod 23 continues to move to（Near-end）Position, the plunger notch 26 of plunger rod 23 avoid inlet
24 and liquid outlet 25, inlet 24 and liquid outlet 25 be turned off, discharge will start：
4. with the Forward of plunger rod 23, rotation, liquid outlet 25 is opened（That is liquid outlet 25 is against plunger notch 26）, into
Liquid mouth 24 is then closed, which is discharge state.
Wherein, the support member 1 includes bottom plate 11 and the installing plate 12 being vertically mounted on bottom plate 11,12 He of installing plate
Floor 13 is equipped between bottom plate 11, installing plate 12 has former and later two mounting surfaces, and the hinged ear is located at peace including the first from left right side
Two pieces of support plates 32 of the front side of loading board 12 form the space for accommodating rotary joint, two pieces of support plates 32 between two pieces of support plates 32
On open up the pin shaft hole being opposite to each other, the hinged seat includes that two pieces of swivel plates 33 are fixedly connected with by two pieces of swivel plates 33
One connecting plate 34, two pieces of swivel plates 33 and support plate 32 are correspondingly arranged and, institute hinged with corresponding support plate 32 by axis pin 31
Cylinder body 21 is stated to be fixedly mounted on the first connecting plate 34.The rotary driving part includes being located at the main rotation of 12 rear side of installing plate
Motor 4, the installing plate 12 are equipped with the through hole passed through for the output shaft of main electric rotating machine 4, and the output shaft of main electric rotating machine 4 is worn
Installing plate 12 is crossed after the rotary joint that connection plunger rod 23 is equipped between two support plates 32.
The rotary joint includes shaft coupling 51, the first spherical bearing 52 being located on shaft coupling 51 and is located at plunger rod
The connection axis pin 53 of 23 near-ends, the connection axis pin 53 are injected in the endoporus of the first spherical bearing 52, and rotary joint is used for main rotation
Transmission of the output torque of rotating motor 4 to plunger rod 23, while the output shaft of main electric rotating machine 4 and plunger rod 23 is made to be mutually folder
Angle starts main electric rotating machine 4, due to the presence of the angle so that plunger rod 23 makees crankmotion in piston body 22, real
The sucking and discharge of existing liquid.
The top of two pieces of swivel plates 33 is equipped with the second connecting plate 61, and the precise regulation mechanism includes being located on installing plate 12
Linear drives component, be located at the 3rd connecting plate 62 of the linear drives element outputs, be located at the 3rd connecting plate 62
On the second spherical bearing 63 and on second connecting plate 61 and through 63 endoporus of the second spherical bearing
First guiding axis 64.Two first guiding axis 64, the top of two first guiding axis 64 are arranged side by side on the second connecting plate 61
It is fixedly connected in the top of the 3rd connecting plate 62 by gag lever post 65, gag lever post 65 is used to fix the first guiding axis 64, same to time limit
The extreme position of the 3rd connecting plate 62 of position.Link motion pair is formed after said structure combination so that the first connecting plate 34 is around axis pin
31 central axes rotate, so that relatively main 4 axis of electric rotating machine of piston body 22 generates corresponding angle change.
In order to realize the purpose accurately adjusted, the linear drives component includes the linear motor for being located at 12 rear side of installing plate
66, the output terminal of linear motor 66 extends 12 front of installing plate and is fixedly connected with the 3rd connecting plate 62.Described 3rd connects
The both ends of fishplate bar 62 are equipped with pilot hole, and the installing plate 12 is equipped with parallel with the driving direction of linear motor 66 and penetrates described
The second guiding axis 67 in pilot hole.The angular deviation of piston body 22 is accurately controlled using linear motor 66, simplifies metering pump
Adjusting method realizes that the digital intelligent of fluid flow size is adjusted.
Certainly, the invention is not limited to the above embodiment, and those skilled in the art are without prejudice to originally
Equivalent variations or replacement can be also made on the premise of spirit, these equivalent modifications or replacement are all contained in the application right
It is required that in limited range.
Claims (7)
1. a kind of accurate adjusting metering pump, it is characterised in that：Including support member and the rotation being located in the support member
Driving part, the pump housing and angle adjusting mechanism, the pump housing includes cylinder body and is located at the in vivo piston body of cylinder and plunger rod, living
Plunger cavity is equipped in cock body, plunger rod is mounted in plunger cavity, and the distal end of piston body is equipped with inlet and liquid outlet, plunger rod
Distal end is equipped with plunger notch, the angle adjusting mechanism includes setting hinged ear on the supporting member, by axis pin mounted in hinged
Hinged seat on ear and the precise regulation mechanism that the hinged seat can be driven to be rotated around axis pin, the cylinder body are mounted on hinged seat
On, the output terminal of the rotary driving part is connected by rotary joint at axis pin with the near-end of plunger rod, the support portion
Part includes bottom plate and the installing plate being vertically mounted on bottom plate, and floor is equipped between installing plate and bottom plate, and the hinged ear includes
Two pieces of support plates being located on front side of installing plate, the pin shaft hole being opposite to each other is opened up in two pieces of support plates, and the hinged seat includes two
The first connecting plate that block swivel plate is fixedly connected with by two pieces of swivel plates, two pieces of swivel plates and support plate are correspondingly arranged and pass through pin
Axis is hinged with corresponding support plate, and the cylinder body is fixedly mounted on the first connecting plate.
2. accurate adjusting metering pump according to claim 1, it is characterised in that：The rotary driving part includes being located at peace
Main electric rotating machine on rear side of loading board, the installing plate are equipped with the through hole passed through for the output shaft of main electric rotating machine, main electric rotating
The output shaft of machine is through installing plate after the rotary joint that connection plunger rod is equipped between two support plates.
3. accurate adjusting metering pump according to claim 2, it is characterised in that：The rotary joint includes shaft coupling, sets
The first spherical bearing on shaft coupling and the connection axis pin for being located at plunger rod near-end, the connection axis pin inject the first spherical surface
In the endoporus of bearing.
4. accurate adjusting metering pump according to claim 1, it is characterised in that：The top of two pieces of swivel plates is equipped with second and connects
Fishplate bar, the precise regulation mechanism include setting linear drives component on a mounting board, are located at the linear drives component output
3rd connecting plate at end, the second spherical bearing for being located on the 3rd connecting plate and on second connecting plate simultaneously
Through the first guiding axis of the second spherical bearing endoporus.
5. accurate adjusting metering pump according to claim 4, it is characterised in that：Two are arranged side by side on the second connecting plate
First guiding axis, the top of two first guiding axis are fixedly connected in the top of the 3rd connecting plate by gag lever post.
6. accurate adjusting metering pump according to claim 4, it is characterised in that：The linear drives component includes being located at peace
Linear motor on rear side of loading board, the output terminal of linear motor are extended in front of installing plate and are fixedly connected with the 3rd connecting plate.
7. accurate adjusting metering pump according to claim 6, it is characterised in that：The both ends of 3rd connecting plate are equipped with and lead
Xiang Kong, the installing plate are equipped with parallel with the driving direction of linear motor and penetrate the second guiding axis in the pilot hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104856.9A CN106640579B (en) | 2016-12-05 | 2016-12-05 | A kind of accurate adjusting metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611104856.9A CN106640579B (en) | 2016-12-05 | 2016-12-05 | A kind of accurate adjusting metering pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106640579A CN106640579A (en) | 2017-05-10 |
| CN106640579B true CN106640579B (en) | 2018-05-29 |
Family
ID=58818711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611104856.9A Active CN106640579B (en) | 2016-12-05 | 2016-12-05 | A kind of accurate adjusting metering pump |
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| Country | Link |
|---|---|
| CN (1) | CN106640579B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108843547B (en) * | 2018-06-14 | 2020-02-21 | 广州飞升精密设备有限公司 | Automatic adjusting metering pump adjusting mechanism and automatic adjusting metering pump |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132001Y (en) * | 1992-05-07 | 1993-05-05 | 沈太福 | Adjustable flowmetering pump |
| CN201273254Y (en) * | 2008-01-06 | 2009-07-15 | 杨晓勇 | Accurately adjustable fluid feed pump |
| CN201810509U (en) * | 2010-07-23 | 2011-04-27 | 黄轶 | Precise electric metering pump |
| CN103161707A (en) * | 2011-12-19 | 2013-06-19 | 袁平 | Pneumatic plunger metering pump |
| 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 |
| CN206280203U (en) * | 2016-12-05 | 2017-06-27 | 广州飞升精密设备有限公司 | A kind of accurate adjustment measuring pump |
-
2016
- 2016-12-05 CN CN201611104856.9A patent/CN106640579B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2132001Y (en) * | 1992-05-07 | 1993-05-05 | 沈太福 | Adjustable flowmetering pump |
| CN201273254Y (en) * | 2008-01-06 | 2009-07-15 | 杨晓勇 | Accurately adjustable fluid feed pump |
| CN201810509U (en) * | 2010-07-23 | 2011-04-27 | 黄轶 | Precise electric metering pump |
| CN103161707A (en) * | 2011-12-19 | 2013-06-19 | 袁平 | Pneumatic plunger metering pump |
| 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 |
| CN206280203U (en) * | 2016-12-05 | 2017-06-27 | 广州飞升精密设备有限公司 | A kind of accurate adjustment measuring pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106640579A (en) | 2017-05-10 |
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