CN106523318B - A kind of type bidirectional piston pump and its control method - Google Patents
A kind of type bidirectional piston pump and its control method Download PDFInfo
- Publication number
- CN106523318B CN106523318B CN201610933600.2A CN201610933600A CN106523318B CN 106523318 B CN106523318 B CN 106523318B CN 201610933600 A CN201610933600 A CN 201610933600A CN 106523318 B CN106523318 B CN 106523318B
- Authority
- CN
- China
- Prior art keywords
- driving mechanism
- metering pump
- pump
- control system
- unidirectional
- 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.)
- Active
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
-
- 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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
- F04B23/06—Combinations of two or more pumps the pumps being all of reciprocating positive-displacement type
-
- 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
-
- 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
- F04B53/14—Pistons, piston-rods or piston-rod connections
- F04B53/144—Adaptation of piston-rods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Abstract
The present invention is suitable for piston pump field, provide a kind of type bidirectional piston pump and its control method, piston pump includes control system, first unidirectional metering pump, second unidirectional metering pump, first driving mechanism and the second driving mechanism, the control system control first, the operating of second driving mechanism is static, described first, second unidirectional metering pump is respectively with first, the connection of second driving mechanism, each unidirectional metering pump all has hollow cavity, material sucking port and discharge port, and cavity is connected to material sucking port and discharge port, pneumatic ball valve is installed at material sucking port, discharge outlet is equipped with check valve；Each driving mechanism includes telescopic piston rod, and the end of the piston rod is threaded through in the cavity of unidirectional metering pump, and is moved back and forth along cavity, and the control system controls the first, second driving mechanism and drives two piston rod counter motions.The piston pump has two groups of one-way piston metering pumps, one group of charging, one group of discharging, alternate run, to realize the continuous discharge of piston pump.
Description
Technical field
The invention belongs to piston pump field more particularly to a kind of type bidirectional piston pump and its control methods.
Background technique
Piston pump is Reciprocating Metering Pump, and working principle determines after completing an impulse stroke, needs reversely to transport
Dynamic suction, there are the cycle in time of work, are unable to continuous work.
Piston pump currently on the market is one-way only operation mostly, is unable to continuous work, is wasted time.Small part bidirectional piston
Continuous work also may be implemented in pump, but has cutout phenomenon in continuous work, cannot achieve and at the uniform velocity discharges, and discharging speed controls not
Accurately.
Summary of the invention
The technical problems to be solved by the invention are to provide a kind of type bidirectional piston pump and its control method, it is intended to improve piston
The working efficiency of pump, while realizing the at the uniform velocity discharging of piston pump.
In order to solve the above technical problems, the invention is realized in this way, a kind of type bidirectional piston pump, including control system,
One unidirectional metering pump, the second unidirectional metering pump, the first driving mechanism and the second driving mechanism, first, second driving mechanism
It being electrically connected with the control system, the control system controls the operating or static of first, second driving mechanism, and described
One, the second unidirectional metering pump is connect with first, second driving mechanism respectively, and each unidirectional metering pump all has hollow cavity
And material sucking port and discharge port, and the cavity is connected to the material sucking port and discharge port, is equipped at the material sucking port pneumatic
Ball valve, the discharge outlet are equipped with check valve；Each driving mechanism includes telescopic piston rod, the end of the piston rod
It is threaded through in the cavity of the unidirectional metering pump, and is moved back and forth along the cavity, control system control is described first, the
Two driving mechanisms drive two piston rod counter motions.
Further, the driving mechanism further includes motor, screw rod and screw, and the screw can be rotatable around its axis, institute
The output end for stating screw and the motor is sequentially connected, and the screw rod is threaded through in the screw, and connects with the screw screw thread
It connects.
Further, the driving mechanism further includes screw fixing sleeve, rotating wheel and synchronizing wheel, and the screw is fixed on silk
On female fixing sleeve, the synchronizing wheel is mounted on the screw fixing sleeve, and is rotated synchronously with the screw, the rotating wheel peace
It is connect on the output end of the motor, and with the synchronizing wheel by toothed belt transmission.
Further, the driving mechanism further includes sliding block, and one end of the sliding block is connect with the screw rod, the other end
It is connect with the piston rod.
Further, the type bidirectional piston pump further includes pedestal, and the unidirectional metering pump and driving mechanism are arranged described
On pedestal, the driving mechanism further includes guide rail, and the guide rail is fixed on the base, and the sliding block is movably disposed at
On the guide rail, and it can be moved back and forth along the guide rail.
Further, the driving mechanism further includes the movement pole that guide plate and the cooperation motor limit the piston rod
The approach switch of point of accumulation and discharging zero point, the guide plate is fixed on the base, and is located at the side of the sliding block, institute
It states and offers guide groove on guide plate, the approach switch is fixed in the guide groove, and close to the sliding block.
Further, the piston pump further includes that two five-way electromagnetic valves and the cooperation driving mechanism limit the work
The limit of sports record point of stopper rod and the approach switch of discharging zero point, two five-way electromagnetic valves are connect with the pneumatic ball valve,
And control the opening and closing of the pneumatic ball valve.
Further, the control system is motion control card or PLC.
The present invention also provides a kind of control methods of type bidirectional piston pump, comprising the following steps:
Control system controls the operating of the first driving mechanism, and opens the pneumatic ball valve at the first unidirectional metering pump material sucking port,
First driving mechanism pulls piston rod, and the first unidirectional metering pump starts suction；
After the completion of suction, the motor reversal of the control system control suction, and pneumatic ball valve is closed, described first is unidirectional
Metering pump starts to discharge；Meanwhile the control system controls the operating of the second driving mechanism, and opens the gas of the second unidirectional metering pump
Dynamic ball valve, driving mechanism pull piston rod, and the second unidirectional metering pump starts suction；
After the completion of the first unidirectional metering pump discharging, the control system controls the second driving mechanism reversion, and
Pneumatic ball valve is closed, the second unidirectional metering pump starts to discharge；Meanwhile the control system controls first driving mechanism
Reversion, and the pneumatic ball valve at material sucking port is opened, the first unidirectional metering pump suction again, with this reciprocal operation.
Further, during the described first unidirectional metering pump discharging, the second unidirectional metering pump suction is completed, described
It is static that control system controls second driving mechanism, until after the completion of the described first unidirectional metering pump discharging, approach switch
Cooperate control system control driving mechanism operating, described second unidirectional metering pump starts to discharge；
During the second unidirectional metering pump discharging, the first unidirectional metering pump suction is completed, the control system
It is static to control first driving mechanism, until after the completion of the described second unidirectional metering pump discharging, approach switch cooperation control
System controls driving mechanism operating, and the first unidirectional metering pump starts to discharge.
Compared with prior art, the present invention beneficial effect is: a kind of type bidirectional piston pump of the invention, by two unidirectional meters
Amount pump and two driving mechanisms form two covering devices, and the driving mechanism of each covering device includes telescopic piston rod, the work
The end of stopper rod is threaded through in the cavity of the unidirectional metering pump, and is moved back and forth along the cavity, the control system control
Described two driving mechanisms drive two piston rod counter motions, so that when wherein set of device discharges, it is another set of
The reversed suction of the piston rod of device.When the discharging of the device of discharging, which finishes, starts reversed suction, the piston rod of another covering device is inhaled
Material is completed to start to discharge, and a set of a set of suction of discharging of two covering devices realizes the continuous discharge of type bidirectional piston pump, improves piston
The working efficiency of pump.In addition, control the operating of described two driving mechanisms by control system, adjust pump housing discharging stroke and
The fltting speed of piston rod enhances the adjusting to pump housing flow velocity, realizes the at the uniform velocity discharging of piston pump.
Detailed description of the invention
Fig. 1 is a kind of overall structure diagram of type bidirectional piston pump provided in an embodiment of the present invention.
Fig. 2 is the schematic diagram of the section structure of Fig. 1.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
It as depicted in figs. 1 and 2, is a kind of type bidirectional piston pump 100 provided in an embodiment of the present invention, including control system is (not
Diagram), pedestal 1, the first unidirectional metering pump 2, the second unidirectional metering pump 2 ', the first driving mechanism 3 and the second driving mechanism 3 '.The
One, the second driving mechanism 3,3 ' is electrically connected with the control system, and the control system controls the first, second driving mechanism 3,3 '
Operating or static.First, second unidirectional metering pump 2,2 ' connect one suit of composition with the first, second driving mechanism 3,3 ' respectively
It sets and is arranged on the pedestal 1.Control system in the embodiment of the present invention is motion control card or PLC (Programmable
Logic Controller, programmable logic controller (PLC)).
Each unidirectional metering pump configuration is identical, all has hollow cavity 21 and material sucking port 22 and discharge port 23, and described
Cavity 21 is connected to the material sucking port 22 and discharge port 23.Pneumatic ball valve 4, the discharge port 23 are installed at the material sucking port 22
Place is equipped with check valve 5.Each driving mechanism structure is identical, all includes telescopic piston rod 31, the end of the piston rod 31
It is threaded through in the cavity 21 of the unidirectional metering pump, and is moved back and forth along the cavity 21, the control system controls each driving
Mechanism drives two 31 counter motions of piston rod.When work, the piston rod 31 of set of device moves closer to corresponding unidirectional metering pump
Discharge port 23, for discharging；The piston rod counter motion of another covering device is used for suction.When the set of device for discharging goes out
After material, start reversed suction, another covering device suction finishes, starts to discharge, with this reciprocal operation, to realize described double
To the continuous discharge of piston pump 100.
Specifically, each driving mechanism further includes motor 32, screw rod 33, screw 34, rotating wheel 35, screw fixing sleeve 39 and same
Step wheel 40.The motor 32 and synchronizing wheel 40 are mounted on the side wall 11 of the pedestal 1, and the screw 34 can turn around its axis
It is dynamic.The screw 34 is fixed on screw fixing sleeve 39, and the synchronizing wheel 40 is mounted on the screw fixing sleeve 39, and with institute
State the synchronous rotation of screw 40.The rotating wheel 35 is mounted on the output end of the motor 32, and is passed through with the synchronizing wheel 40
Synchronous belt transmission connection (not shown).The rotating wheel 35 is driven to rotate by the output shaft of motor 32, the rotating wheel 35 is logical
Crossing synchronous belt drives the synchronizing wheel 40 to rotate.The screw 34 is rotated synchronously with the synchronizing wheel 40, and is driven and the silk
The screw rod 33 that mother 34 is threadedly coupled is moved back and forth along the axis direction of the screw rod 33.The reciprocating motion of the screw rod 33 drive with
The piston rod 31 that the screw rod 33 connects moves back and forth in cavity 21, to realize the suction and discharging of the unidirectional metering pump.
When screw rod 33 and piston rod 31 are directly connected in order to prevent, screw rod 33 may rotate, thus with piston
Bar 31 rotates and influences discharging precision, and sliding block 36 and guide rail 37 are equipped between the screw rod 33 and piston rod 31.The cunning
One end of block 36 is connect with the screw rod 33, and the other end is connect with the piston rod 31；The guide rail 37 is fixed on the bottom
On seat 1, the sliding block 36 is movably disposed on the guide rail 37, and can be moved back and forth along the guide rail 37.The screw rod
33 move back and forth in the axial direction thereof, and the sliding block 36 is driven to move back and forth on the guide rail 37, and then by described
Sliding block 36 drives the piston rod 31 to move back and forth in cavity 21, thus when moving the screw rod 33 along its axis direction not
It can rotate, and then guarantee the stability that the piston pump 100 discharges.
The driving mechanism 3 further include guide plate 38 and cooperate the motor limit the piston rod limit of sports record point and
The approach switch 50,60 for the zero point that discharges, the guide plate 38 are fixed on the pedestal 1, and are located at the one of the sliding block 36
Side.Guide groove 381 is offered on the guide plate 38, the approach switch 50 and approach switch 60 are fixed on the guiding
In slot 381, and close to the sliding block 36, to incude the running position of the sliding block 36, to control the piston rod 31
Carry out position.
The stroke length of the piston rod 31 is controlled by motor 32, and the both ends of 31 stroke length of piston rod are piston
The start of a run of bar 31 and stroke end, the start of a run and stroke end are the limit of sports record point of the piston rod 31.
When actual motion, piston rod 31 is promoted since start of a run, needs to promote the pressure ability in a small distance rear chamber 21
Check valve 5 is enough squeezed, the place that piston rod 31 actually starts discharging is known as the zero point that discharges, and the discharging zero point is located at start of a run
Between stroke end and close to the start of a run.The start of a run of the piston rod 31 and stroke end are respectively by proximity
Switch 50 and approach switch 60 limit, and when one of piston rod 31 runs to stroke end, are opened by the proximity
50 and the cooperation motor 32 of approach switch 60 are closed, another piston rod 31 is made to start to discharge.
Meanwhile because the suction process of piston rod 31 is faster than discharging process, when the work of the first unidirectional metering pump 2
When stopper rod 31 is discharging, the piston rod of the second unidirectional metering pump 2 ' has run to discharging zero point and has awaited orders.At this point, in the control
Under the control of system processed, the motor connecting with the second unidirectional metering pump 2 ' remains static, the work to the first unidirectional metering pump 2
After stopper rod 31 discharges, control system is cooperated to start the motor under stationary state by approach switch 60, described second is single
Start to discharge to metering pump 2 '.
The piston pump 100 further includes two five-way electromagnetic valves (not shown), two five-way electromagnetic valves and the gas
Dynamic ball valve 4 connects, and controls the opening and closing of the pneumatic ball valve 4.
When specific works, the unlatching of pneumatic ball valve 4 that two five-way electromagnetic valves control the first unidirectional metering pump 2 is first passed through, this
When pneumatic ball valve 4 be in communication with the outside, control system control motor 32, which operates, simultaneously pulls piston rod 31, then is formed in cavity 21 true
Sky, feed liquid are pressed into cavity 21 under external atmosphere pressure effect, realize suction.After the completion of suction, two five-way electromagnetic valve controls
It makes the pneumatic ball valve 4 to close, the control system control motor 32 inverts, and piston rod 31 is pushed forward at this time, pressure in cavity 21
It increases, check valve 5 is squeezed, and feed liquid at the uniform velocity flows out cavity from discharge port, at this point, the second unidirectional metering pump 2 ' starts suction.When
After the completion of first unidirectional metering pump 2 discharges, the piston rod 31 starts again at suction under the drive of motor 32, at this point, second
Unidirectional metering pump 2 ' starts to discharge, and with this reciprocal operation, realizes the continuous discharge of the piston pump 100.
The embodiment of the invention also provides a kind of control methods of type bidirectional piston pump 100, comprising the following steps:
First unidirectional 2 suction of metering pump: control system controls the operating of the first driving mechanism 3, and opens the first unidirectionally metering
The pneumatic ball valve 4 at 2 material sucking ports 22 is pumped, the first driving mechanism 3 pulls piston rod 31, and the first unidirectional metering pump 2 starts suction.
First unidirectional metering pump 2 discharges, the second unidirectional 2 ' suction of metering pump: after the completion of the first unidirectional 2 suction of metering pump, institute
The motor 32 for stating control system control suction inverts, and closes pneumatic ball valve 4, and the first unidirectional metering pump 2 starts to discharge.Meanwhile
The control system controls the operating of the first driving mechanism 3 ', and opens the pneumatic ball valve 4 of the second unidirectional metering pump 2 ', the second driving
Mechanism 3 ' pulls piston rod 31, and the second unidirectional metering pump 2 ' starts suction.The first unidirectional discharging of metering pump 2 process
In, the second unidirectional metering pump 2 ' is static, until after the completion of the described first unidirectional metering pump 2 discharges, approach switch cooperation
Control system controls the operating of the second driving mechanism 3 ', and the second unidirectional metering pump 2 ' starts to discharge.
Second unidirectional metering pump 2 ' discharges, the first unidirectional suction again of metering pump 2: the first unidirectional metering pump 2 discharges
After the completion, the control system controls the reversion of the second driving mechanism 3 ', and closes pneumatic ball valve 4, and the second unidirectional metering pump 2 ' is opened
Begin to discharge.Meanwhile the control system 3 controls the reversion of the first driving mechanism 3, and opens the pneumatic ball valve 4 at material sucking port, it is described
The first unidirectional suction again of metering pump 2.During the second unidirectional metering pump 2 ' discharges, the first unidirectional metering pump 2 is inhaled
Material is completed, and it is static that the control system controls the first driving mechanism 3, until after the completion of the described second unidirectional metering pump 2 ' discharges,
Approach switch cooperates control system control driving mechanism 3 to operate, and the first unidirectional metering pump 2 starts to discharge.
A kind of type bidirectional piston pump 100 of the invention forms two covering devices by two unidirectional metering pumps and two driving mechanisms,
The driving mechanism of each covering device includes telescopic piston rod 31, and the end of the piston rod 31 is threaded through the unidirectional metering
It in the cavity 21 of pump, and is moved back and forth along the cavity 21, the control system controls described two driving mechanisms and drives two
31 counter motion of piston rod, so that when wherein set of device discharges, the reversed suction of the piston rod of another covering device.When
When the device discharging of discharging finishes beginning reversed suction, the piston rod suction completion of another covering device starts to discharge, two covering devices
A set of a set of suction of discharging is realized the continuous discharge of type bidirectional piston pump 100, is improved the work of piston pump with this reciprocal operation
Make efficiency.In addition, controlling the operating of described two driving mechanisms by control system, pump housing charging stroke and piston rod are adjusted
31 fltting speed enhances the adjusting to pump housing flow velocity, realizes the at the uniform velocity discharging of piston pump 100.Two motors respectively drive
Two unidirectional metering pumps, two unidirectional metering pumps of compared to one motor driven, efficiently solve flow pulsation when commutation, mention
The high measuring accuracy of piston pump 100.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of type bidirectional piston pump, which is characterized in that including control system, the first unidirectional metering pump, the second unidirectional metering pump,
One driving mechanism and the second driving mechanism, first, second driving mechanism are electrically connected with the control system, the control system
System controls the operating or static of first, second driving mechanism, and the first, second unidirectional metering pump is respectively with described the
One, the second driving mechanism connects, and each unidirectional metering pump all has hollow cavity and material sucking port and discharge port, and the cavity
It is connected to the material sucking port and discharge port, pneumatic ball valve is installed at the material sucking port, the discharge outlet is equipped with check valve；
Each driving mechanism includes telescopic piston rod, and the end of the piston rod is threaded through in the cavity of the unidirectional metering pump,
And moved back and forth along the cavity, the control system controls first, second driving mechanism and drives two piston rods reversed
Movement；The stroke length of the piston rod is to live by respective driving mechanisms control, the both ends of the piston rod stroke length
The start of a run of stopper rod and stroke end, after the driving mechanism pushes the piston rod preset distance, the unidirectional metering pump
Discharge port start to discharge, the unidirectional metering pump is practical to be started the place of discharging and is known as the zero point that discharges, the discharging zero point position
Between start of a run and stroke end and close to the start of a run；The start of a run of the piston rod and stroke end by
Approach switch limits, and the approach switch is electrically connected with the control system, when the piston of one of them unidirectional metering pump
When bar runs to stroke end, cooperates control system to control each driving mechanism operating or stop by the approach switch, make
The piston rod of another unidirectional metering pump starts to discharge, and when one of them unidirectional metering pump is discharging, another is unidirectional
Metering pump has run to discharging zero point and has awaited orders.
2. a kind of type bidirectional piston pump as described in claim 1, which is characterized in that the driving mechanism further includes motor, screw rod
And screw, the screw can be rotatable around its axis, the output end of the screw and the motor is sequentially connected, and the screw rod is worn
It is threadedly coupled in the screw, and with the screw.
3. a kind of type bidirectional piston pump as claimed in claim 2, which is characterized in that the driving mechanism further includes that screw is fixed
Set, rotating wheel and synchronizing wheel, the screw are fixed on screw fixing sleeve, and the synchronizing wheel is mounted on the screw fixing sleeve
On, and rotated synchronously with the screw, the rotating wheel is mounted on the output end of the motor, and is passed through with the synchronizing wheel
Toothed belt transmission connection.
4. a kind of type bidirectional piston pump as claimed in claim 2, which is characterized in that the driving mechanism further includes sliding block, described
One end of sliding block is connect with the screw rod, and the other end is connect with the piston rod.
5. a kind of type bidirectional piston pump as claimed in claim 4, which is characterized in that the type bidirectional piston pump further includes pedestal, institute
State unidirectional metering pump and driving mechanism setting on the base, the driving mechanism further includes guide rail, and the guide rail is fixed on
On the pedestal, the sliding block is movably disposed on the guide rail, and can be moved back and forth along the guide rail.
6. a kind of type bidirectional piston pump as claimed in claim 5, which is characterized in that the driving mechanism further includes guide plate, institute
It is fixed on the base to state guide plate, and is located at the side of the sliding block, offers guide groove on the guide plate, it is described to connect
Nearly formula switch is fixed in the guide groove, and close to the sliding block.
7. a kind of type bidirectional piston pump as described in claim 1, which is characterized in that the piston pump further includes two five energization magnetic
Valve, two five-way electromagnetic valves are connect with the pneumatic ball valve, and control the opening and closing of the pneumatic ball valve.
8. a kind of type bidirectional piston pump as described in claim 1, which is characterized in that the control system be motion control card or
PLC。
9. a kind of control method of type bidirectional piston pump as claimed in any of claims 1 to 8 in one of claims, which is characterized in that including
Following steps:
Control system controls the operating of the first driving mechanism, and opens the pneumatic ball valve at the first unidirectional metering pump material sucking port, and first
Driving mechanism pulls piston rod, and the first unidirectional metering pump starts suction；
After the completion of suction, the motor reversal of the control system control suction, and pneumatic ball valve is closed, the described first unidirectional metering
Pump starts to discharge；Meanwhile the control system controls the operating of the second driving mechanism, and opens the Pneumatic ball of the second unidirectional metering pump
Valve, driving mechanism pull piston rod, and the second unidirectional metering pump starts suction；
After the completion of the first unidirectional metering pump discharging, the control system controls the second driving mechanism reversion, and closes
Pneumatic ball valve, the second unidirectional metering pump start to discharge；Meanwhile the control system control first driving mechanism is anti-
Turn, and opens the pneumatic ball valve at material sucking port, the first unidirectional metering pump suction again, with this reciprocal operation.
10. the control method of type bidirectional piston pump as claimed in claim 9, which is characterized in that the described first unidirectional metering pumps out
During material, the second unidirectional metering pump suction is completed, and the control system control second driving mechanism is static, until
After the completion of the first unidirectional metering pump discharging, approach switch cooperates control system control driving mechanism to operate, and described second
Unidirectional metering pump starts to discharge；
During the second unidirectional metering pump discharging, the first unidirectional metering pump suction is completed, the control system control
First driving mechanism is static, until approach switch cooperates control system after the completion of the described second unidirectional metering pump discharging
Driving mechanism operating is controlled, the first unidirectional metering pump starts to discharge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933600.2A CN106523318B (en) | 2016-10-31 | 2016-10-31 | A kind of type bidirectional piston pump and its control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610933600.2A CN106523318B (en) | 2016-10-31 | 2016-10-31 | A kind of type bidirectional piston pump and its control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106523318A CN106523318A (en) | 2017-03-22 |
| CN106523318B true CN106523318B (en) | 2019-04-02 |
Family
ID=58291882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610933600.2A Active CN106523318B (en) | 2016-10-31 | 2016-10-31 | A kind of type bidirectional piston pump and its control method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106523318B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108380444A (en) * | 2018-01-20 | 2018-08-10 | 深圳市艾邦机电设备有限公司 | A kind of adhesive injection device and glue-pouring method |
| CN108094482A (en) * | 2018-02-01 | 2018-06-01 | 福建安井食品股份有限公司 | A kind of fillings continuous conveying device |
| CN108361168A (en) * | 2018-02-05 | 2018-08-03 | 南京航空航天大学 | It is staggered the time based on dual piston the continuous and stable type metering pump of compensation policy |
| CN110905754A (en) * | 2019-09-02 | 2020-03-24 | 苏州悦奇宁流体自动化科技有限公司 | High-precision flow control system |
| CN112502931B (en) * | 2020-11-16 | 2024-05-03 | 四川宏华电气有限责任公司 | Ball screw type fracturing pump based on unidirectional motor drive |
| CN113757068A (en) * | 2021-01-07 | 2021-12-07 | 郝晓静 | Double-acting plunger type feeding pump |
| CN112960154A (en) * | 2021-03-16 | 2021-06-15 | 广州市智美机械设备有限公司 | Filling device |
| CN113357119A (en) * | 2021-07-19 | 2021-09-07 | 无锡易福高压清洗设备有限公司 | Single-cylinder crankshaft-free servo plunger pump and module thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0195618A2 (en) * | 1985-03-19 | 1986-09-24 | CooperVision Optics Limited | Metering pump |
| CN102320105A (en) * | 2011-08-24 | 2012-01-18 | 佘晓峰 | Modularized combined type all-electric rubber injection machine |
| CN102418682A (en) * | 2011-12-15 | 2012-04-18 | 广州正奇科技有限公司 | Double-cylinder metering plunger pump and metering method thereof |
| CN204247429U (en) * | 2014-11-25 | 2015-04-08 | 东莞市雄林新材料科技股份有限公司 | A kind of polyurethane spray coating device |
| CN206234069U (en) * | 2016-10-31 | 2017-06-09 | 深圳市世椿智能装备股份有限公司 | A kind of type bidirectional piston pump |
-
2016
- 2016-10-31 CN CN201610933600.2A patent/CN106523318B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0195618A2 (en) * | 1985-03-19 | 1986-09-24 | CooperVision Optics Limited | Metering pump |
| CN102320105A (en) * | 2011-08-24 | 2012-01-18 | 佘晓峰 | Modularized combined type all-electric rubber injection machine |
| CN102418682A (en) * | 2011-12-15 | 2012-04-18 | 广州正奇科技有限公司 | Double-cylinder metering plunger pump and metering method thereof |
| CN204247429U (en) * | 2014-11-25 | 2015-04-08 | 东莞市雄林新材料科技股份有限公司 | A kind of polyurethane spray coating device |
| CN206234069U (en) * | 2016-10-31 | 2017-06-09 | 深圳市世椿智能装备股份有限公司 | A kind of type bidirectional piston pump |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106523318A (en) | 2017-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106523318B (en) | A kind of type bidirectional piston pump and its control method | |
| CN206234069U (en) | A kind of type bidirectional piston pump | |
| EP2270334B1 (en) | Metering pump and its driving device | |
| US3301197A (en) | Pump | |
| CN209361512U (en) | Two-way continuous syringe pump | |
| WO2016095865A1 (en) | Color paste pump capable of both massive injection and micro injection | |
| CN102207066B (en) | Double-acting plunger pump | |
| US9873216B2 (en) | Actuator system for rotating valve pin | |
| CN102953965A (en) | High-voltage and constant-current pump using electronic cam technique to realize constant-current liquid conveying function | |
| CN109555661A (en) | A kind of flow adjustment precision topping-up pump | |
| CN103557148B (en) | A kind of by FREQUENCY CONTROL plunger pump method and plunger pump | |
| CN105986985B (en) | Constant current pump installation | |
| CN108361168A (en) | It is staggered the time based on dual piston the continuous and stable type metering pump of compensation policy | |
| CN103670999A (en) | Reciprocating plunger pump driven by plunger flow distribution double-acting linear motors | |
| CN107968184B (en) | Liquid injection pump for injecting liquid into battery | |
| CN209621537U (en) | A kind of flow adjustment precision topping-up pump | |
| CN203441696U (en) | Trace additive control system | |
| CN210317636U (en) | Nano-liter quantitative pump | |
| CN207393590U (en) | Piston type pneumatic source device | |
| CN210317637U (en) | High-precision flow control system | |
| CN209196062U (en) | Positive and negative rotation screw slide and its continuous oil pressure plunger pumping system | |
| CN110939551A (en) | Nano-liter quantitative pump | |
| CN202073760U (en) | Micro flow variable plunger pump with stepping motor | |
| CN105003411A (en) | Liquid chromatogram parallel high-pressure infusion pump | |
| CN113896160B (en) | Quantitative filling structure and quantitative filling device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |