CN203570559U - Automatic flow adjusting device of metering pump - Google Patents
Automatic flow adjusting device of metering pump Download PDFInfo
- Publication number
- CN203570559U CN203570559U CN201320798210.0U CN201320798210U CN203570559U CN 203570559 U CN203570559 U CN 203570559U CN 201320798210 U CN201320798210 U CN 201320798210U CN 203570559 U CN203570559 U CN 203570559U
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- CN
- China
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- gear
- shell
- stepper motor
- gear shaft
- metering pump
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- Expired - Fee Related
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Abstract
An automatic flow adjusting device of a metering pump relates to the automatic flow adjusting technology of the metering pump and aims to solve the problem that the adjusting precision of the traditional metering pump cannot be ensured. The automatic flow adjusting device of the metering pump comprises a direct current power supply, a step motor driver, a step motor, a first gear, a second gear, a gear shaft, an angular contact bearing, a slide key, a lead screw, a shell, a step motor speed regulation knob and a step motor forward and backward rotation control knob; the gear shaft, the slide key and the lead screw are all positioned in the shell of which the bottom is provided with a threaded through hole; the bottom of the lead screw is in threaded connection with the through hole in the bottom of the shell; one end of the gear shaft is sleeved in the top of the lead screw; the angular contact bearing is embedded and fixed in the upper surface of the shell; the main body of the gear shaft is in bearing connection with the angular contact bearing; the other end of the gear shaft extends out of the shell and is fixedly connected with the center of the second gear; the slide key is positioned in the gear shaft. The bottom of the slide key is connected with the top of the lead screw and the slide key performs vertical motion along with the lead screw. The automatic flow adjusting device of the metering pump is suitable for the automatic flow adjusting technology of the metering pump.
Description
Technical field
The utility model relates to metering pump flow automatic adjustment technology.
Background technique
Metering pump is a kind of reciprocating plunger pump with flowing medium conveying capacity, because its output flow and this adjustable parameter of plunger effective stroke length have more satisfactory linear relationship, therefore no matter be under dynamic or quiescent conditions, with regulating according to different process demand its flow per family in 0～100% scope.Metering pump effectively delivery temperature scope between-30～+ 1000 ℃, viscosity does not contain solid particle erosion and noncorrosive multiple fluid medium between 0.3～80CP, so need to carry in most of process control systems of flowing medium in oil, chemical industry, environmental protection and water treatment etc., especially for measuring accuracy, have relatively high expectations, dosage is reliable, the industrial process of successive fed sheet of a media, its application area is very extensive, is playing the part of very important effect.But the Flow-rate adjustment process of conventional metered dose pump depends on manual tune, and real-life a lot of environment does not allow workman directly to regulate, such as carrying toxic liquid process etc., artificial adjustment is simultaneously time-consuming but also effort not only, in addition its degree of regulation cannot guarantee, be difficult to meet the requirement that modernization large-scale production process flow process is controlled, be unfavorable for the raising of productivity.
Model utility content
The utility model is the problem that cannot guarantee in order to solve conventional metered dose pump degree of regulation, and then a kind of metering pump automatic flow rate adjusting device is provided.
A metering pump automatic flow rate adjusting device, it comprises DC electrical source 1, stepper motor driver 2, stepper motor 3, the first gear 4, the second gear 5, gear shaft 6, angular contact bearing 7, slide key 8, leading screw 9, shell 10, stepper motor speed governing knob 11 and stepper motor clockwise and anticlockwise control handle 12;
Gear shaft 6, slide key 8 and leading screw 9 are all arranged in shell 10, shell 10 bottoms are threaded through hole, the bottom of leading screw 9 is threaded with shell 10 bottom through-holes, and one end of gear shaft 6 is socketed in the top of leading screw 9, and angular contact bearing 7 is mounted in the upper surface of shell 10; The main body of gear shaft 6 is connected with angular contact bearing 7 bearings; The other end of gear shaft 6 stretches out shell 10 and is fixedly connected with the center of the second gear 5, slide key 8 is positioned at the inside of gear shaft 6, the bottom of slide key 8 is connected with the top of leading screw 9, slide key 8 is done vertical motion with leading screw 9, the first gear 4 and the second gear 5 engagements, the rotor of stepper motor 3 is fixed on the center of the first gear 4, and stepper motor driver 2 is for Driving Stepping Motor 3 work, and power supply 1 is for providing working power to motor driver 2;
Stepper motor speed governing knob 11 and stepper motor clockwise and anticlockwise control handle 12 are all arranged on the sidewall of shell 10, and the output switch of stepper motor speed governing knob 11 and stepper motor clockwise and anticlockwise control handle 12 is connected on respectively between stepper motor driver 2 and power supply 1.
In the utility model, by Driving Stepping Motor, via gear transmission, drive leading screw to rotate and move up and down and then change the effective travel of metering pump plunger; The utility model is simple in structure, and the stability of a system is good, improves on year-on-year basis 7%; Reliability is high, has improved on year-on-year basis 10%; Design debug is simple and convenient, the automatic degree of regulation of flow is high, has improved on year-on-year basis 15%.
Accompanying drawing explanation
Fig. 1 is overall structure figure of the present utility model.
Embodiment
Embodiment one: present embodiment is described below in conjunction with Fig. 1, a kind of metering pump automatic flow rate adjusting device described in present embodiment, a metering pump automatic flow rate adjusting device, it comprises DC electrical source 1, stepper motor driver 2, stepper motor 3, the first gear 4, the second gear 5, gear shaft 6, angular contact bearing 7, slide key 8, leading screw 9, shell 10, stepper motor speed governing knob 11 and stepper motor clockwise and anticlockwise control handle 12;
Gear shaft 6, slide key 8 and leading screw 9 are all arranged in shell 10, shell 10 bottoms are threaded through hole, the bottom of leading screw 9 is threaded with shell 10 bottom through-holes, and one end of gear shaft 6 is socketed in the top of leading screw 9, and angular contact bearing 7 is mounted in the upper surface of shell 10; The main body of gear shaft 6 is connected with angular contact bearing 7 bearings; The other end of gear shaft 6 stretches out shell 10 and is fixedly connected with the center of the second gear 5, slide key 8 is positioned at the inside of gear shaft 6, the bottom of slide key 8 is connected with the top of leading screw 9, slide key 8 is done vertical motion with leading screw 9, the first gear 4 and the second gear 5 engagements, the rotor of stepper motor 3 is fixed on the center of the first gear 4, and stepper motor driver 2 is for Driving Stepping Motor 3 work, and power supply 1 is for providing working power to motor driver 2;
Stepper motor speed governing knob 11 and stepper motor clockwise and anticlockwise control handle 12 are all arranged on the sidewall of shell 10, and the output switch of stepper motor speed governing knob 11 and stepper motor clockwise and anticlockwise control handle 12 is connected on respectively between stepper motor driver 2 and power supply 1.
Metering pump automatic flow rate adjusting device is connected 12V DC electrical source by stepper motor driver, the rotation of control step motor driver Driving Stepping Motor, through the first gear 4 and the second gear 5 transmissions, slow down, and driven gear axle 6 rotates, gear shaft 6 drives leading screw rotate and move up and down through slide key 8, rotatablely moving of stepper motor converts the adjusting of reciprocal plunger running length to the most at last, make screw mandrel drive metering pump N oblique crank Z to produce axial displacement, thereby the turning radius of change crank realize Flow-rate adjustment.Stepper motor speed governing knob 11 and stepper motor clockwise and anticlockwise control handle 12 can control step motor turn to and rotating speed, adopt typical gear transmission, can effectively realize moderating process, guarantee carrying out smoothly of whole flow self-regulating process.
Embodiment two: present embodiment is further qualified a kind of metering pump automatic flow rate adjusting device described in embodiment one, in present embodiment, the voltage of DC electrical source 1 is 12V.
Embodiment three: present embodiment is further qualified a kind of metering pump automatic flow rate adjusting device described in embodiment one, in present embodiment, the speed that stepper motor speed governing knob regulates described leading screw to move up and down regulates the flow of metering pump.
Claims (2)
1. a metering pump automatic flow rate adjusting device, it comprises DC electrical source (1), it is characterized in that: it also comprises stepper motor driver (2), stepper motor (3), the first gear (4), the second gear (5), gear shaft (6), angular contact bearing (7), slide key (8), leading screw (9), shell (10), stepper motor speed governing knob (11) and stepper motor clockwise and anticlockwise control handle (12);
Gear shaft (6), slide key (8) and leading screw (9) are all arranged in shell (10), shell (10) bottom is threaded through hole, the bottom of leading screw (9) is threaded with shell (10) bottom through-hole, one end of gear shaft (6) is socketed in the top of leading screw (9), and angular contact bearing (7) is mounted in the upper surface of shell (10), the main body of gear shaft (6) is connected with angular contact bearing (7) bearing, the other end of gear shaft (6) stretches out shell (10) and is fixedly connected with the center of the second gear (5), slide key (8) is arranged on the inside of gear shaft (6) in the mode sliding up and down, the bottom of slide key (8) is connected with the top of leading screw (9), slide key (8) moves in a circle with gear shaft (6), the first gear (4) and the second gear (5) engagement, the rotor of stepper motor (3) is fixed on the center of the first gear (4), stepper motor driver (2) is worked for Driving Stepping Motor (3), DC electrical source (1) is for providing working power to motor driver (2),
Stepper motor speed governing knob (11) and stepper motor clockwise and anticlockwise control handle (12) are all arranged on the sidewall of shell (10), and the output switch of stepper motor speed governing knob (11) and stepper motor clockwise and anticlockwise control handle (12) is connected on respectively between stepper motor driver (2) and power supply (1).
2. a kind of metering pump automatic flow rate adjusting device according to claim 1, is characterized in that: the voltage of DC electrical source (1) is 12V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798210.0U CN203570559U (en) | 2013-12-06 | 2013-12-06 | Automatic flow adjusting device of metering pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798210.0U CN203570559U (en) | 2013-12-06 | 2013-12-06 | Automatic flow adjusting device of metering pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203570559U true CN203570559U (en) | 2014-04-30 |
Family
ID=50538292
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320798210.0U Expired - Fee Related CN203570559U (en) | 2013-12-06 | 2013-12-06 | Automatic flow adjusting device of metering pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203570559U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287925A (en) * | 2018-12-06 | 2020-06-16 | 利普乐普股份有限公司 | Metering pump and metering system |
-
2013
- 2013-12-06 CN CN201320798210.0U patent/CN203570559U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111287925A (en) * | 2018-12-06 | 2020-06-16 | 利普乐普股份有限公司 | Metering pump and metering system |
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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 |
Granted publication date: 20140430 Termination date: 20141206 |
|
| EXPY | Termination of patent right or utility model |