CN207867318U - A kind of filter press pressurizer - Google Patents
A kind of filter press pressurizer Download PDFInfo
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- CN207867318U CN207867318U CN201820219372.7U CN201820219372U CN207867318U CN 207867318 U CN207867318 U CN 207867318U CN 201820219372 U CN201820219372 U CN 201820219372U CN 207867318 U CN207867318 U CN 207867318U
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- plc controller
- filter press
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- switch
- pressure
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Abstract
The utility model discloses a kind of filter press pressurizers, including PLC controller and pressurize circuit, pressurize circuit includes first contactor switch KM12, compresses button SB1, the first relay coil KA11, the first relay switch KA12, first contactor coil KM11, the second relay coil KA21, the second relay switch KA22 and pressure switch K1.The utility model setting pressure switch is connect with PLC controller, when pressure switch detection oil pressure is less than minimum setting value, first relay coil and the second relay coil obtain electric, so that the conducting of operation of oil pump, compaction solenoid valve is to increase the hydraulic pressure of hydraulic oil pump, when the oil pressure that pressure switch detects hydraulic oil pump reaches maximum set value, first relay coil and the second relay coil dead electricity, oil pump is set to be stopped, compaction solenoid valve is closed, ensure the hydraulic coupling of hydraulic oil pump in setting range, is conducive to improve the precision of control, reduces production cost.
Description
Technical field
The utility model is related to filter press technologies, more particularly, to a kind of filter press pressurizer.
Background technology
Press filtration part is waited in application, needing persistently to give by filter press with constant pressure, then hydraulic cylinder in filter press
It is general to stop oil pump power supply after giving setting pressure, and there may be interior leakage and leakages in the oil circuit of hydraulic cylinder, easily lead
It causes the hydraulic coupling of hydraulic cylinder constantly to reduce, easily leads to not giving and wait for press filtration part with continued for constant pressure.Currently, passing through more
Pressure gauge detects the hydraulic pressure in hydraulic cylinder in real time, and observes the hydraulic pressure of its detection in real time by manpower, when its interior hydraulic pressure is less than
When setting value, then oil pump is restarted with fuel feeding again, and the fuel cut-off again after the reading of pressure gauge reaches setting value, to ensure
The stability for the hydraulic coupling that hydraulic cylinder provides, but manual control precision is low, easily leads to and cannot be satisfied hydraulic demand, and increase
Human cost expenditure, is not conducive to the reduction of production costs.
Utility model content
The purpose of the utility model is to overcome above-mentioned technical deficiencies, propose a kind of filter press pressurizer, solve existing
Low, the of high cost technical problem of manual control precision in technology.
To reach above-mentioned technical purpose, the technical solution of the utility model provides a kind of filter press pressurizer, including PLC
Controller and pressurize circuit, the pressurize circuit include with the concatenated first contactor switch KM12 of the Oil pump electrical machinery of filter press,
The compression button SB1 that is connect with the I0.1 pins of the PLC controller, connect with the Q0.0 pins of the PLC controller
One relay coil KA11, the first relay switch KA12 being series between firewire and zero curve and first contactor coil
KM11, the second relay coil KA21 being connect with the Q0.1 pins of the PLC controller, the compaction solenoid valve line with filter press
Pressure circle KA10 concatenated second relay switch KA22 and connect respectively with I0.4 the and I0.5 pins of the PLC controller
Switch K1.
Compared with prior art, the utility model setting pressure switch is connect with PLC controller, when pressure switch detects liquid
When the oil pressure of pressure oil pump is less than minimum setting value, PLC controller controls the first relay coil and the second relay coil obtain it is electric,
So that operation of oil pump, compaction solenoid valve are connected to increase the hydraulic pressure of hydraulic oil pump, and when the oil of pressure switch detection hydraulic oil pump
When pressure reaches maximum set value, PLC controller controls the first relay coil and the second relay coil dead electricity, and oil pump is made to stop
Work, compaction solenoid valve are closed, and the hydraulic coupling to ensure hydraulic oil pump is conducive to the essence for improving control in setting range
Degree reduces production cost.
Description of the drawings
Fig. 1 is the connection block diagram of the filter press pressurizer of the utility model；
Fig. 2 is the pressurize circuit of the utility model and the circuit connection diagram of PLC controller；
Fig. 3 is the pressurize circuit of the utility model and the circuit connection diagram of Oil pump electrical machinery.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain
The utility model is not used to limit the utility model.
~3 are please referred to Fig.1, the utility model provides a kind of filter press pressurizer, including PLC controller 11, pressurize
Circuit 12 and display unit 13, the pressurize circuit 12 include being switched with the concatenated first contactors of the Oil pump electrical machinery M of filter press
KM12, the stop button SB0 being connect with the I0.0 pins of the PLC controller 11, the I0.1 pins with the PLC controller 11
The compression button SB1 of connection, it the first relay coil KA11 being connect with the Q0.0 pins of the PLC controller 11, is series at
The first relay switch KA12 and first contactor coil KM11 between firewire and zero curve, with the PLC controller 11
The second relay coil KA21, concatenated second relays of compaction solenoid valve coil KA10 with filter press of Q0.1 pins connection
Switch KA22, the pressure switch K1 being connect respectively with I0.4 the and I0.5 pins of the PLC controller 11, it is controlled with the PLC
The release button SB2 of the I0.2 pins connection of device 11, the third relay line being connect with the Q0.3 pins of the PLC controller 11
Enclose KA31 and with the concatenated third relay switch KA32 of release electromagnetic valve coil KA20 of filter press, with the PLC controller
11 Q0.3 pins connection run indicator L1, compression indicator light L2 and institute are connect with the Q0.4 pins of the PLC controller 11
The Q0.5 pins connection for stating PLC controller 11, which unclamps indicator light L3, connect pressurize with the Q0.6 pins of the PLC controller 11 refers to
Show lamp L4 and one for control filter press hydraulic cylinder piston end motion stroke travel switch K2, movable end with it is described
The I0.3 pins of PLC controller 11 connect.
As shown in Figures 1 to 3, when specific setting, first contactor switch KM12 be series at three phase mains and Oil pump electrical machinery M it
Between, it is used for the switch of control oil pump motor M, and then the keying of control oil pump input hydraulic pressure oil into hydraulic cylinder；Pressure is opened
The oil pressure in hydraulic cylinder can be detected in real time by closing K1, when the oil pressure of its detection is less than minimum setting value, with PLC controller 11
I0.4 pins conducting, PLC controller 11 obtain conducting compression electric signal, and control the first relay coil KA11 and second
Relay coil KA21 obtains electric, then the first relay switch KA12 is closed, and first contactor coil KM11 obtains electric, first contactor
Switch KM12 is closed, Oil pump electrical machinery M work, while the second relay switch KA22 is closed, the compaction solenoid valve coil of filter press
KA10 obtains electric, and compaction solenoid valve conducting, oil pump is by hydraulic oil input hydraulic cylinder, and hydraulic pressure in-cylinder pressure increases, travel switch K2
The pressure of detection increases, and when the oil pressure of its detection reaches maximum set value, is connected with the I0.5 pins of PLC controller 11,
PLC controller 11 obtains the electric signal in place of conducting, and controls the first relay coil KA11 and the second relay coil KA21
Dead electricity, then the first relay switch KA12 and the second relay switch KA22 disconnections, first contactor coil KM11 dead electricity, first
Contactless contactor KM12 is disconnected, and Oil pump electrical machinery M is stopped, and the compaction solenoid valve of filter press is closed, and hydraulic cylinder is in pressurize
State；And when the oil pressure of pressure switch K1 detections is again less than minimum setting value, the cycle above process is repeated, to ensure
Oil pressure in hydraulic cylinder avoids the pressure that it is generated excessive or too small between maximum set value and minimum setting value；Stroke
Switch K2 is used to control the hydraulic cylinder piston end motion stroke of filter press, avoids the piston rod movement of hydraulic cylinder from being formed excessive
Or it is too small and hydraulic system is caused to be damaged, wherein when pressing release button SB2, the control of PLC controller 11 first after
Electric apparatus coil KA11 and third relay coil KA31 obtains electric, then the first relay switch KA12 is closed, first contactor coil
KM11 obtains electric, and third relay switch KA32 is closed, and Oil pump electrical machinery M work and unclamps electromagnetic valve coil KA10 and obtains and electric make release
Solenoid valve conduction, Oil pump electrical machinery M drive the hydraulic oil reflux in hydraulic cylinder, the contraction of the piston rod of hydraulic cylinder to work as hydraulic pressure
When the minimum of the piston rod movement of oil cylinder to travel switch K2 limit, PLC controller 11 obtains the minimum limit of travel switch K2
Signal simultaneously controls the first relay coil KA11 and third relay coil KA31 dead electricity, Oil pump electrical machinery M and is stopped and unclamps
Solenoid valve dead electricity is closed.Wherein, when the first relay coil of the present embodiment KA11 obtains electric, run indicator L1 obtains electric, shows oil
Pump motor M is working, and when the second relay coil KA21 obtains electric, then compressing indicator light L2 shines, to show Oil pump electrical machinery M works
Make and hydraulic cylinder is driven to compress, when third relay coil KA31 obtains electric, unclamps indicator light L3 and obtain electroluminescence, to indicate oil
Pump motor M works and hydraulic cylinder is driven to unclamp, and the hydraulic pressure for working as pressure switch K1 detections is located at maximum set value and minimum is set
When between definite value, then pressurize indicator light L4 obtains electroluminescence, to indicate that hydraulic cylinder is in packing state.
Filter press pressurizer described in the present embodiment further includes the display list of an oil pressure for showing pressure switch detection
Member 13 may also set up a pressure gauge and detect hydraulic pressure in hydraulic cylinder in real time, and shown by display unit 13, convenient for behaviour
Make personnel and observes the rate of its hydraulic pressure variation in real time to understand the leakproofness of hydraulic system.
The model siemens PLC of controller described in the present embodiment, display unit 13 can be used prestige synthetic fibre and lead to touch screen；
The two-port valve of two routines can be respectively adopted to realize point of two cylinder bodies of hydraulic cylinder in compaction solenoid valve and release solenoid valve
Other oil inlet, can also be used two-position five-way valve realize hydraulic cylinder two cylinder bodies respectively into fuel-displaced, be that this field is normal
Rule mode, is not described in detail.
Specific embodiment of the present utility model described above does not constitute the restriction to scope of protection of the utility model.
The various other corresponding changes and deformation that any technical concept according to the present utility model is made, should be included in this practicality
In novel scope of the claims.
Claims (6)
1. a kind of filter press pressurizer, which is characterized in that including PLC controller and pressurize circuit, the pressurize circuit includes
With the Oil pump electrical machinery of filter press concatenated first contactor switch KM12, the pressure that is connect with the I0.1 pins of the PLC controller
Tight button SB1, the first relay coil KA11 being connect with the Q0.0 pins of the PLC controller, firewire and zero curve are series at
Between the first relay switch KA12 and first contactor coil KM11, connect with the Q0.1 pins of the PLC controller
Second relay coil KA21, the concatenated second relay switch KA22 of compaction solenoid valve coil KA10 and difference with filter press
The pressure switch K1 being connect with I0.4 the and I0.5 pins of the PLC controller.
2. filter press pressurizer according to claim 1, which is characterized in that the pressurize circuit further include with it is described
The release button SB2 of the I0.2 pins connection of PLC controller, the third relay being connect with the Q0.3 pins of the PLC controller
Device coil KA31 and concatenated third relay switch KA32 of release electromagnetic valve coil KA20 with filter press.
3. filter press pressurizer according to claim 2, which is characterized in that the pressurize circuit further includes one for controlling
The travel switch K2 of the hydraulic cylinder piston end motion stroke of filter press processed, movable end and the I0.3 of the PLC controller draw
Foot connects.
4. filter press pressurizer according to claim 3, which is characterized in that the pressurize circuit further include with it is described
The Q0.3 pins connection run indicator L1 of PLC controller, compression indicator light is connect with the Q0.4 pins of the PLC controller
L2, it is connect with the Q0.5 pins of the PLC controller and unclamps indicator light L3 and connect guarantor with the Q0.6 pins of the PLC controller
Press indicator light L4.
5. filter press pressurizer according to claim 1, which is characterized in that the filter press pressurizer further includes one
Display unit for the oil pressure for showing pressure switch detection.
6. filter press pressurizer according to claim 1, which is characterized in that the model Siemens of the controller
S7-200。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820219372.7U CN207867318U (en) | 2018-02-06 | 2018-02-06 | A kind of filter press pressurizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820219372.7U CN207867318U (en) | 2018-02-06 | 2018-02-06 | A kind of filter press pressurizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207867318U true CN207867318U (en) | 2018-09-14 |
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ID=63458052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820219372.7U Active CN207867318U (en) | 2018-02-06 | 2018-02-06 | A kind of filter press pressurizer |
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| Country | Link |
|---|---|
| CN (1) | CN207867318U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907097A (en) * | 2019-12-18 | 2020-03-24 | 福建水口发电集团有限公司 | Axial-flow Kaplan turbine discharge cone pressure test device and control method |
| CN111779308A (en) * | 2020-07-10 | 2020-10-16 | 华北科技学院 | Constant-pressure grouting device and intelligent constant-pressure grouting method for accurately controlling grouting pressure |
-
2018
- 2018-02-06 CN CN201820219372.7U patent/CN207867318U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907097A (en) * | 2019-12-18 | 2020-03-24 | 福建水口发电集团有限公司 | Axial-flow Kaplan turbine discharge cone pressure test device and control method |
| CN110907097B (en) * | 2019-12-18 | 2021-08-31 | 福建水口发电集团有限公司 | Axial-flow Kaplan turbine discharge cone pressure test device and control method |
| CN111779308A (en) * | 2020-07-10 | 2020-10-16 | 华北科技学院 | Constant-pressure grouting device and intelligent constant-pressure grouting method for accurately controlling grouting pressure |
| CN111779308B (en) * | 2020-07-10 | 2022-01-04 | 华北科技学院 | Constant-pressure grouting device and intelligent constant-pressure grouting method for accurately controlling grouting pressure |
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