CN108843547B - Automatic adjusting metering pump adjusting mechanism and automatic adjusting metering pump - Google Patents
Automatic adjusting metering pump adjusting mechanism and automatic adjusting metering pump Download PDFInfo
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- CN108843547B CN108843547B CN201810611544.XA CN201810611544A CN108843547B CN 108843547 B CN108843547 B CN 108843547B CN 201810611544 A CN201810611544 A CN 201810611544A CN 108843547 B CN108843547 B CN 108843547B
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- pump
- connecting piece
- adjusting
- metering pump
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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
- 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
- F04B13/00—Pumps specially modified to deliver fixed or variable measured quantities
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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
- 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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The invention discloses an automatic adjusting metering pump adjusting mechanism and an automatic adjusting metering pump, which are used for the technical field of precise metering of control trace fluid and comprise a rotary driving part, a pump body and an automatic adjusting metering pump adjusting mechanism, wherein the automatic adjusting metering pump adjusting mechanism comprises a first base, a pump body connecting piece which is rotatably arranged on the first base and an adjusting mechanism which can drive the pump body connecting piece to rotate, the adjusting mechanism comprises a guide rail, a sliding block, a rack, an adjusting motor and a gear arranged at the output end of the adjusting motor, the adjusting motor can drive the sliding block to move along the guide rail through the meshing transmission of the gear and the rack, and the sliding block is connected with the pump body connecting piece through a torque transmission mechanism. The invention simplifies the adjusting method, realizes the digital intelligent adjustment of the flow of the metering pump, improves the accuracy of the liquid flow control and improves the production efficiency.
Description
Technical Field
The invention belongs to the technical field of precision metering for controlling micro-fluid, and particularly relates to an automatic regulating metering pump regulating mechanism and an automatic regulating metering pump.
Background
In the production process of products such as batteries, cosmetics, foods, electronic products, biological reagents and the like, the production processes of fluid subpackaging, fluid dispensing, spraying and the like need to use a precise metering pump for subpackaging the fluid;
at present, the mainstream metering pump mainly adjusts the flow manually, and has the disadvantages of complex adjusting method, low efficiency and low accuracy.
Disclosure of Invention
The invention aims to provide an automatic regulating metering pump regulating mechanism and an automatic regulating metering pump, which simplify a regulating method, realize digital intelligent regulation of the flow of the metering pump, improve the accuracy of liquid flow control and improve the production efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides an automatically regulated measuring pump adjustment mechanism, includes first base, rotatable pump body connecting piece of installing on first base and can drive pump body connecting piece pivoted adjustment mechanism, adjustment mechanism includes guide rail, slider, rack, accommodate motor and establishes the gear at the accommodate motor output, and accommodate motor passes through the transmission of gear and rack meshing can drive the slider along the guide rail motion, and the slider passes through torque transmission mechanism and is connected with pump body connecting piece.
The pump body connecting piece is rotatably arranged on the first base by adopting a pin shaft, and the adjusting mechanism is arranged on one side of the pump body connecting piece, which is far away from the pin shaft.
The torque transmission mechanism comprises a guide shaft seat arranged on the pump body connecting piece, a guide shaft arranged on the guide shaft seat and a rotating seat rotatably arranged on the sliding block, and a guide structure matched with the guide shaft is arranged on the rotating seat.
Further as an improvement of the technical scheme of the invention, the rotating seat is mounted on the sliding block through a rotating screw, and the guide structure comprises a linear bearing arranged on the rotating seat.
The pump body connecting piece is arranged on the first base, the guide rail comprises a linear guide rail arranged on the second base, the linear guide rail is arranged along the tangential direction of the pump body connecting piece, the rack is arranged on the sliding block along the direction of the linear guide rail, the adjusting motor is arranged on the second base, and the sensor capable of detecting the position of the sliding block is further included.
Further as an improvement of the technical scheme of the invention, an arc-shaped groove taking the pin shaft as a circle center is arranged on the pump body connecting piece, and a limiting pin matched with the arc-shaped groove is arranged on the first base.
The utility model provides an automatically regulated measuring pump, includes rotation driving part, the pump body and above-mentioned automatically regulated measuring pump adjustment mechanism, the pump body includes the cylinder body and establishes piston body and plunger rod in the cylinder body, is equipped with the plunger chamber in the piston body, and the plunger rod is installed in the plunger chamber, and the distal end of piston body is equipped with inlet and liquid outlet, and the distal end of plunger rod is equipped with the plunger breach, the cylinder body is installed on pump body connecting piece, rotation driving part's output passes through rotary joint and is connected with the near-end of plunger rod.
Further as an improvement of the technical scheme of the invention, the rotary joint comprises a coupler, a spherical bearing arranged on the coupler and a connecting pin shaft arranged at the near end of the plunger rod, and the connecting pin shaft is inserted into an inner hole of the spherical bearing.
As the improvement of the technical scheme of the invention, the first base comprises an L-shaped base, and the rotary driving part is arranged on the vertical surface of the L-shaped base.
As a further improvement of the technical solution of the present invention, the rotation driving part includes a main rotating electric machine.
The invention has the beneficial effects that: aiming at the working principle and the characteristics of the metering pump, namely the size of the liquid flow is related to the included angle of the piston body relative to the output end of the rotary driving part, the larger the included angle is, the larger the flow is, a special adjusting mechanism is arranged, the included angle is adjusted by adopting the matching of a gear and a rack, the included angle of the piston body relative to the output end of the rotary driving part can be flexibly changed through the adjusting mechanism, so that the manual adjustment is replaced, the adjusting method can be simplified, the digital intelligent adjustment of the flow of the metering pump is realized, the accuracy of the liquid flow control is improved, and the.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a structural isometric view of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
fig. 3 is a cross-sectional view taken at a-a in fig. 2.
Detailed Description
Referring to fig. 1 to 3, the detailed structure of the preferred embodiment of the present invention is shown. The structural features of the respective components of the present invention will be described in detail below.
The invention provides an adjusting mechanism for an automatic adjusting metering pump, which comprises a first base 1, a pump body connecting piece 2 which is rotatably arranged on the first base 1 and an adjusting mechanism which can drive the pump body connecting piece 2 to rotate, wherein the pump body connecting piece 2 can adopt structures such as a pump body connecting plate, a pump body connecting block and the like and is used for installing a pump body of the automatic adjusting metering pump, the adjusting mechanism comprises a guide rail 31, a slide block 32, a rack 33, an adjusting motor 34 and a gear 35 which is arranged at the output end of the adjusting motor 34, the adjusting motor 34 can drive the slide block 32 to move along the guide rail 31 through the meshing transmission of the gear 35 and the rack 33, the slide block 32 is connected with the pump body connecting piece 2 through a torque transmission mechanism, so that the sliding of the slide block 32 is converted into the rotation of the pump body connecting piece, finally, the regulation of the flow of the metering pump is realized.
Aiming at the working principle and the characteristics of the metering pump, namely the size of the liquid flow is related to the included angle of the piston body relative to the output end of the rotary driving part, the larger the included angle is, the larger the flow is, a special adjusting mechanism is arranged, the gear 35 and the rack 33 are matched for adjustment, the included angle of the piston body relative to the output end of the rotary driving part can be flexibly changed through the adjusting mechanism, so that manual adjustment is replaced, the adjusting method can be simplified, the digital intelligent adjustment of the flow of the metering pump is realized, the accuracy of the liquid flow control is improved, and the production efficiency is improved.
The pump body connecting piece 2 can be rotatably arranged on the first base 1 by adopting a rotating shaft, a bearing and other structures, preferably, the pump body connecting piece 2 is rotatably arranged on the first base 1 by adopting a pin shaft 21, and the adjusting mechanism is arranged on one side of the pump body connecting piece 2, which is far away from the pin shaft 21, so that the torque arm of the adjusting mechanism is increased, and the adjusting precision is improved.
The torque transmission mechanism is used for converting the sliding of the slider 32 into the rotation of the pump body connecting member 2, and can adopt the following design without limitation:
the torque transmission mechanism comprises a guide shaft seat 36 arranged on the pump body connecting piece 2, a guide shaft 37 arranged on the guide shaft seat 36 and a rotating seat 38 rotatably arranged on the sliding block 32, a guide structure matched with the guide shaft 37 is arranged on the rotating seat 38, or,
the torque transmission mechanism comprises a guide shaft seat 36 arranged on the slide block 32, a guide shaft 37 arranged on the guide shaft seat 36 and a rotating seat 38 rotatably arranged on the pump body connecting piece 2, and a guide structure matched with the guide shaft 37 is arranged on the rotating seat 38.
The rotary base 38 may be directly or indirectly mounted on the sliding block 32 by using a rotating shaft, a bearing, etc., and preferably, the rotary base 38 is mounted on the sliding block 32 by using a rotating screw 30, and the guide structure may be a guide hole, a guide groove, etc., and preferably, the guide structure includes a linear bearing 39 provided on the rotary base 38.
In the invention, the adjusting motor 34 can be arranged on the sliding block 32 to move along with the sliding block 32, and the rack 33 is static; or adopt adjusting motor 34 static, rack 33 to establish on slider 32 along with the structural style of slider 32 motion, promptly, still include second base 4, guide rail 31 is including establishing linear guide 31 on second base 4, linear guide 31 sets up along the tangential of pump body connecting piece 2, and rack 33 establishes on slider 32 along linear guide 31 direction, and adjusting motor 34 installs on second base 4, and in order to improve the regulation precision and restrict adjusting motor 34's rotation stroke, still include sensor 5 that can detect the slider 32 position.
In addition, the invention also provides mechanical stroke limit, an arc-shaped groove 22 which takes the pin shaft 21 as the center of a circle is arranged on the pump body connecting piece 2, and a limit pin 23 which is matched with the arc-shaped groove 22 is arranged on the first base 1.
An automatic adjustment metering pump comprises a rotary driving part 51, a pump body and the automatic adjustment metering pump adjusting mechanism, wherein the pump body comprises a cylinder body 52, a piston body 53 and a plunger rod 54, the piston body 53 and the plunger rod 54 are arranged in the cylinder body 52, a plunger cavity is arranged in the piston body 53, the plunger rod 54 is installed in the plunger cavity, a liquid inlet 55 and a liquid outlet 56 are arranged at the far end of the piston body 53, a plunger notch is arranged at the far end of the plunger rod 54, the cylinder body 52 is installed on a pump body connecting piece 2, and the output end of the rotary driving part 51 is connected with.
When the metering pump works, the piston body 53 forms an included angle with the output end of the rotary driving part 51, when the rotary driving part 51 drives the rotary joint to rotate, the rotary joint drives the ceramic plunger rod 54 to rotate and reciprocate in the piston body 53, the rotary motion is used for changing the direction of a plunger gap at the far end of the plunger rod 54, the reciprocating motion is used for feeding liquid and discharging liquid, and the liquid is sucked and discharged through the liquid inlet 55 and the liquid outlet 56.
Preferably, the first base 1 includes an L-shaped base, and the rotation driving part 51 is provided on a vertical surface of the L-shaped base. The rotation drive part 51 includes a main rotating electric machine. The rotary joint comprises a coupler 57, a spherical bearing 58 arranged on the coupler 57 and a connecting pin 59 arranged at the proximal end of the plunger rod 54, wherein the connecting pin 59 is inserted into an inner hole of the spherical bearing 58. The rotary joint is used for transmitting the output torque of the main rotary motor to the plunger rod 54, and simultaneously, an included angle is formed between the output shaft of the main rotary motor and the plunger rod 54, so that the main rotary motor is started, and due to the included angle, the plunger rod 54 makes reciprocating rotary motion in the piston body 53, and the suction and the discharge of liquid are realized.
The regulation principle of the invention is as follows:
1. starting an adjusting motor, and pushing a rack to linearly translate to a certain position on a guide rail by a gear;
2. under the action of the torque transmission mechanism, the pump body connecting piece 2 rotates around the rotating pin, so that the ceramic cylinder body generates corresponding angle change relative to the axis of the main rotating motor;
3. starting the main rotating motor, and enabling the ceramic rod to do reciprocating rotation motion in the ceramic cylinder body due to the fact that the ceramic cylinder body has a certain angle relative to the axis of the main rotating motor, so that liquid is sucked and discharged;
4. the liquid flow is in direct proportion to the angle of the ceramic cylinder body relative to the main rotating motor shaft, the larger the angle is, the larger the flow is, and when the angle is 0 degree, the flow is O, so that the flow of the liquid can be accurately controlled by adjusting the angle of the ceramic cylinder body by using the adjusting motor.
The invention is not limited to the above embodiments, and those skilled in the art can make equivalent modifications or substitutions without departing from the spirit of the invention, and such equivalent modifications or substitutions are included in the scope defined by the claims of the present application.
Claims (8)
1. The utility model provides an automatic adjust measuring pump adjustment mechanism which characterized in that: including first base, rotatable pump body connecting piece of installing on first base and can drive pump body connecting piece pivoted adjustment mechanism, adjustment mechanism includes the guide rail, the slider, the rack, accommodate the motor and establish the gear at the accommodate the motor output, accommodate the motor can drive the slider along the guide rail motion through gear and rack meshing transmission, the slider passes through torque transfer mechanism and is connected with pump body connecting piece, torque transfer mechanism is including establishing the direction axle bed on pump body connecting piece, establish the guiding axle on the direction axle bed and the rotatable seat of establishing on the slider, rotate and be equipped with on the seat with guiding axle complex guide structure, pump body connecting piece adopts the rotatable installation of round pin axle on first base, adjustment mechanism establishes the one side of keeping away from the round pin axle at pump body connecting piece.
2. The automatically adjusting metering pump adjustment mechanism of claim 1, wherein: the rotating seat is installed on the sliding block through a rotating screw, and the guide structure comprises a linear bearing arranged on the rotating seat.
3. The automatically adjusting metering pump adjustment mechanism of claim 1, wherein: still include the second base, the guide rail is including establishing the linear guide on the second base, linear guide sets up along the tangential of pump body connecting piece, and the rack is established on the slider along the linear guide direction, and adjusting motor installs on the second base, still includes the sensor that can detect the slider position.
4. The automatically adjusting metering pump adjustment mechanism of claim 1, wherein: the pump body connecting piece is provided with an arc-shaped groove which takes the pin shaft as the center of a circle, and the first base is provided with a limiting pin which is matched with the arc-shaped groove.
5. An automatically regulated measuring pump which characterized in that: the automatic adjusting metering pump adjusting mechanism comprises a rotary driving part, a pump body and the automatic adjusting metering pump adjusting mechanism as claimed in any one of claims 1 to 4, wherein the pump body comprises a cylinder body, a piston body and a plunger rod, the piston body and the plunger rod are arranged in the cylinder body, a plunger cavity is arranged in the piston body, the plunger rod is arranged in the plunger cavity, a liquid inlet and a liquid outlet are formed in the far end of the piston body, a plunger gap is formed in the far end of the plunger rod, the cylinder body is arranged on a connecting piece of the pump body.
6. The automatically adjusting metering pump of claim 5 wherein: the rotary joint comprises a coupler, a spherical bearing arranged on the coupler and a connecting pin shaft arranged at the near end of the plunger rod, and the connecting pin shaft is inserted into an inner hole of the spherical bearing.
7. The automatically adjusting metering pump of claim 5 wherein: the first base comprises an L-shaped base, and the rotary driving part is arranged on the vertical surface of the L-shaped base.
8. The self-adjusting metering pump of claim 7, wherein: the rotation drive means includes a main rotating electric machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611544.XA CN108843547B (en) | 2018-06-14 | 2018-06-14 | Automatic adjusting metering pump adjusting mechanism and automatic adjusting metering pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810611544.XA CN108843547B (en) | 2018-06-14 | 2018-06-14 | Automatic adjusting metering pump adjusting mechanism and automatic adjusting metering pump |
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| Publication Number | Publication Date |
|---|---|
| CN108843547A CN108843547A (en) | 2018-11-20 |
| CN108843547B true CN108843547B (en) | 2020-02-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810611544.XA Active CN108843547B (en) | 2018-06-14 | 2018-06-14 | Automatic adjusting metering pump adjusting mechanism and automatic adjusting metering pump |
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| CN (1) | CN108843547B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109555661A (en) * | 2019-01-16 | 2019-04-02 | 深圳市利华美科技有限公司 | A kind of flow adjustment precision topping-up pump |
| CN110005585B (en) * | 2019-04-15 | 2020-07-14 | 英诺维尔智能科技（苏州）有限公司 | Aseptic seal structure of syringe pump |
| CN114206503B (en) * | 2019-07-31 | 2023-07-07 | 流体计量有限公司 | Mechanism for electronically regulating flow in a fixed displacement pump |
| CN110425104A (en) * | 2019-08-08 | 2019-11-08 | 深圳市力德科技有限公司 | A kind of intelligence fluid injection pump machanism |
Citations (7)
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|---|---|---|---|---|
| CN2369005Y (en) * | 1998-10-08 | 2000-03-15 | 杨振海 | Automatic regulator for range of metering pump |
| CN201810509U (en) * | 2010-07-23 | 2011-04-27 | 黄轶 | Precise electric metering pump |
| KR20130001351A (en) * | 2011-06-27 | 2013-01-04 | 주식회사 선반도체 | A cylinder pump of inclination axis type |
| CN203488325U (en) * | 2013-10-24 | 2014-03-19 | 徐功 | Precise metering pump |
| CN205015745U (en) * | 2015-10-10 | 2016-02-03 | 杨晓林 | Add medicine flow closed loop control system based on measuring pump |
| CN106640579A (en) * | 2016-12-05 | 2017-05-10 | 广州飞升精密设备有限公司 | Precise adjustment metering pump |
| CN208441982U (en) * | 2018-06-14 | 2019-01-29 | 广州飞升精密设备有限公司 | A kind of automatic adjustment metering pump-regulating mechanism and automatic adjustment metering pump |
-
2018
- 2018-06-14 CN CN201810611544.XA patent/CN108843547B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2369005Y (en) * | 1998-10-08 | 2000-03-15 | 杨振海 | Automatic regulator for range of metering pump |
| CN201810509U (en) * | 2010-07-23 | 2011-04-27 | 黄轶 | Precise electric metering pump |
| KR20130001351A (en) * | 2011-06-27 | 2013-01-04 | 주식회사 선반도체 | A cylinder pump of inclination axis type |
| CN203488325U (en) * | 2013-10-24 | 2014-03-19 | 徐功 | Precise metering pump |
| CN205015745U (en) * | 2015-10-10 | 2016-02-03 | 杨晓林 | Add medicine flow closed loop control system based on measuring pump |
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| CN208441982U (en) * | 2018-06-14 | 2019-01-29 | 广州飞升精密设备有限公司 | A kind of automatic adjustment metering pump-regulating mechanism and automatic adjustment metering pump |
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| CN108843547A (en) | 2018-11-20 |
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