CN208268134U - A kind of hydraulic system applied in the small foaming machine of wall board type EVA - Google Patents
A kind of hydraulic system applied in the small foaming machine of wall board type EVA Download PDFInfo
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- CN208268134U CN208268134U CN201820533403.6U CN201820533403U CN208268134U CN 208268134 U CN208268134 U CN 208268134U CN 201820533403 U CN201820533403 U CN 201820533403U CN 208268134 U CN208268134 U CN 208268134U
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- oil
- valve
- check valve
- oil circuit
- hydraulic fluid
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Abstract
A kind of hydraulic system applied in the small foaming machine of wall board type EVA, servo motor starts and pair vane pump is driven to run, solenoid directional control valve one is switched to left position, pressure oil successively passes through check valve one by P1 oil circuit, check valve three, solenoid directional control valve one enters rapid increase auxiliary cylinders one and rapid increase auxiliary cylinders two, the plunger of rapid increase auxiliary cylinders one and rapid increase auxiliary cylinders two at this time can rapid increase, prefill valve can be held at this time by automatic suction, a large amount of oil liquid enter in master cylinder from fuel tank through prefill valve, when master cylinder plunger and walking beam rise to extreme position and oil liquid pressure reaches target value, prefill valve can be automatically closed, oil liquid pressure continues to rise when reaching pressure set by pressure switch one, it is switched to P2 oil circuit.The utility model has the characteristics that level of integrated system is high, is effectively reduced that energy consumption, work efficiency is high, prevents the effect of vibration interference obvious, practical.
Description
Technical field
The utility model relates to a kind of hydraulic systems applied in the small foaming machine of wall board type EVA.
Background technique
Currently, the small foaming machine of wall board type EVA can exist in actual application, energy consumption is high, vibration interference influence is big, work
Make inefficient problem.
Summary of the invention
To solve the above-mentioned problems, the utility model provides a kind of hydraulic pressure system applied in the small foaming machine of wall board type EVA
System, the utility model have the effect of level of integrated system height, are effectively reduced that energy consumption, work efficiency is high, prevents vibration interference bright
Aobvious, practical feature.
In order to achieve the above object, the utility model takes following particular technique measure: it is small that one kind being applied to wall board type EVA
Hydraulic system in foaming machine, it is by servo motor, filter, pair vane pump, pressure switch, check valve, electromagnetism tune
Pressure valve, pressure gauge cock, pressure gauge, solenoid directional control valve, electromagnetic check valve, prefill valve, rapid increase auxiliary cylinders, master cylinder, oil
Road block composition, which is characterized in that
Servo motor connects and pair vane pump is driven to run, and pair vane pump is equipped with filter, pair vane pump
First hydraulic fluid port is connect by oil circuit with the oil inlet of check valve one, and the second hydraulic fluid port of pair vane pump passes through oil circuit and check valve two
Oil inlet connection；
The oil outlet of check valve one is connect by P1 oil circuit with the oil inlet of check valve three, and the oil outlet of check valve three passes through
Oil circuit is connect with the oil inlet of solenoid directional control valve one, the first hydraulic fluid port of solenoid directional control valve one by two-way oil circuit respectively with quickly on
Rise auxiliary cylinders one, rapid increase auxiliary cylinders two connect；
The oil outlet of check valve two is connect by P2 oil circuit with the oil inlet of solenoid directional control valve two, and the of solenoid directional control valve two
One hydraulic fluid port is connect by oil circuit with the oil inlet of check valve four, and the oil outlet of check valve four is by oil circuit connection to master cylinder, together
When, the oil outlet of prefill valve is connect also through oil circuit with master cylinder；
First oil inlet of prefill valve is connected to fuel tank, and the second oil inlet of prefill valve passes through oil circuit and solenoid directional control valve one
The connection of the second hydraulic fluid port, the third hydraulic fluid port of solenoid directional control valve one by oil circuit respectively with the second hydraulic fluid port, the electricity of solenoid directional control valve two
First hydraulic fluid port of magnetic check (non-return) valve is connected to；
Connection oil circuit between check valve four and master cylinder is connected to the second hydraulic fluid port of electromagnetic check valve；
Check valve three, solenoid directional control valve one, solenoid directional control valve two, check valve four, electromagnetic check valve, prefill valve pass through oil circuit
Block combines to form oil liquid reversing mechanism, and oil path block is equipped with pressure gauge cock three and pressure gauge three；
P1 oil circuit is connected to the first hydraulic fluid port of electromagnetic voltage adjusting valve one, and the second hydraulic fluid port of electromagnetic voltage adjusting valve one passes through oil communication
To fuel tank, P1 oil circuit and electromagnetic voltage adjusting valve one pass through stagnation pressure oil path block the first oil liquid pressure regulating device of composition, the first oil liquid pressure regulator
Structure is equipped with pressure gauge cock one, pressure gauge one and pressure switch one；
P2 oil circuit is connected to the first hydraulic fluid port of electromagnetic voltage adjusting valve two, and the second hydraulic fluid port of electromagnetic voltage adjusting valve two passes through oil communication
To fuel tank, P2 oil circuit and electromagnetic voltage adjusting valve two pass through stagnation pressure oil path block the second oil liquid pressure regulating device of composition, the second oil liquid pressure regulator
Structure is equipped with pressure gauge cock two, pressure gauge two and pressure switch two；
When the plunger of rapid increase auxiliary cylinders one, rapid increase auxiliary cylinders two and master cylinder does not extend out, servo motor
Start and pair vane pump is driven to run, since P2 oil circuit is not at this time due to loading, so oil liquid can be returned directly to fuel tank, electricity
Magnetic reversal valve one is switched to left position, pressure oil by P1 oil circuit successively pass through check valve one, check valve three, solenoid directional control valve one into
Enter rapid increase auxiliary cylinders one and rapid increase auxiliary cylinders two, the plunger of rapid increase auxiliary cylinders one and rapid increase auxiliary cylinders two
At this time can rapid increase, prefill valve can hold at this time by automatic suction, and a large amount of oil liquid enter in master cylinder from fuel tank through prefill valve, work as master
Prefill valve can be automatically closed when Cylinder Plunger and walking beam rise to extreme position and oil liquid pressure reaches target value, oil liquid
Pressure continues to rise when reaching pressure set by pressure switch one, is switched to P2 oil circuit, at this point, solenoid directional control valve two is opened
And after being transferred to compression motion, one off-load of electromagnetic voltage adjusting valve, solenoid directional control valve one is switched to middle position, rapid increase auxiliary cylinders one and fast
Speed rises two pressure release of auxiliary cylinders and stops, and the rapid increase of master cylinder plunger and walking beam is completed；
Pressure oil successively passes through check valve two, solenoid directional control valve two, check valve four by P2 oil circuit and enters in master cylinder in fact
It now pressurizes, when pressure reaches the setting pressure of pressure switch two, pressurization stops, two off-load of electromagnetic voltage adjusting valve, in master cylinder
Pressure is sealed using the conical surface of prefill valve, electromagnetic check valve, check valve four, carries out pressure maintaining by oil liquid and rack elasticity；
After pressure maintaining, electromagnetic check valve energization pressure release, while solenoid directional control valve one switches to right position, rapid increase auxiliary
Oil liquid in cylinder one and rapid increase auxiliary cylinders two returns to fuel tank, when pressure moment drops to target value in master cylinder, P1 oil circuit
In pressure oil can open prefill valve, the oil liquid in main sliding cylinder is quickly returning to fuel tank, master cylinder plunger and walking beam through prefill valve
Fast downlink to bottom after stop, terminate one action circulation.
The model of the oil path block specifically: A2-14155.
The model of the stagnation pressure oil path block specifically: A3-10913.
The utility model has the advantages that following four is big:
1, the utility model uses servo motor, and servo motor can differentiate that driving turns according to the erect-position quantity that machine uses
Speed, with reach improve efficiency, energy-efficient purpose, while hydraulic oil temperature can also be prevented excessively high；
2, two rapid increase auxiliary cylinders are used in the utility model, to realize the purpose of rapid increase movement, not only
It improves work efficiency, and flow needed for pair vane pump can be reduced, be finally reached energy-efficient purpose；
3, the utility model adjusts separately the pressure of rapid increase and pressurization by two independent electromagnetic voltage adjusting valves, and two
A independent electromagnetic voltage adjusting valve can just be opened when needing to act, to achieve the purpose that reduce energy consumption；
4, in the rapid increase circuit of the utility model, due to being provided with check valve three, so check valve three can be effective
Master cylinder plunger vibrates because of caused by moment decline and occurs when ground prevents rapid increase from turning pressurization.
The beneficial effects of the utility model are that it has, and level of integrated system is high, is effectively reduced energy consumption, working efficiency
Height prevents the feature that the effect of vibration interference is obvious, practical.
The utility model is further explained with reference to the accompanying drawings and examples.
Detailed description of the invention
Fig. 1 is the utility model entire combination attachment structure schematic diagram.
In figure: 1- servo motor, 2- filter, 3- pair vane pump, 4- pressure switch one, 5- check valve one, 6- are mono-
To valve two, 7- pressure switch two, 8- electromagnetic voltage adjusting valve one, 9- electromagnetic voltage adjusting valve two, 10- pressure gauge cock one, 11- pressure gauge
One, 12- pressure gauge cock two, 13- pressure gauge two, 14- check valve three, 15- solenoid directional control valve one, 16- solenoid directional control valve two,
17- check valve four, 18- electromagnetic check valve, 19- prefill valve, 20- pressure gauge cock three, 21- pressure gauge three, 221- rapid increase
Auxiliary cylinders one, 222- rapid increase auxiliary cylinders two, 23- master cylinder.
Specific embodiment
As shown in Figure 1, a kind of hydraulic system applied in the small foaming machine of wall board type EVA, it is by servo motor 1, mistake
Filter 2, pair vane pump 3, pressure switch, check valve, electromagnetic voltage adjusting valve, pressure gauge cock, pressure gauge, solenoid directional control valve,
Electromagnetic check valve 18, prefill valve 19, rapid increase auxiliary cylinders, master cylinder 23, oil path block composition, which is characterized in that
Servo motor 1 connects and pair vane pump 3 is driven to run, and pair vane pump 3 is equipped with filter 2, duplex blade
First hydraulic fluid port of pump 3 connect by oil circuit with the oil inlet of check valve 1, the second hydraulic fluid port of pair vane pump 3 pass through oil circuit and
The oil inlet of check valve 26 connects；
The oil outlet of check valve 1 is connect by P1 oil circuit with the oil inlet of check valve 3 14, check valve 3 14 it is fuel-displaced
Mouth is connect by oil circuit with the oil inlet of solenoid directional control valve 1, and the first hydraulic fluid port of solenoid directional control valve 1 passes through two-way oil circuit point
It is not connect with rapid increase auxiliary cylinders 1, rapid increase auxiliary cylinders 2 222；
The oil outlet of check valve 26 is connect by P2 oil circuit with the oil inlet of solenoid directional control valve 2 16, solenoid directional control valve two
16 the first hydraulic fluid port is connect by oil circuit with the oil inlet of check valve 4 17, and the oil outlet of check valve 4 17 passes through oil circuit connection extremely
Master cylinder 23, meanwhile, the oil outlet of prefill valve 19 is connect also through oil circuit with master cylinder 23；
First oil inlet of prefill valve 19 is connected to fuel tank, and the second oil inlet of prefill valve 19 passes through oil circuit and electromagnetic switch
Second hydraulic fluid port of valve 1 is connected to, the third hydraulic fluid port of solenoid directional control valve 1 by oil circuit respectively with solenoid directional control valve 2 16 the
The first hydraulic fluid port connection of two hydraulic fluid ports, electromagnetic check valve 18；
Connection oil circuit between check valve 4 17 and master cylinder 23 is connected to the second hydraulic fluid port of electromagnetic check valve 18；
Check valve 3 14, solenoid directional control valve 1, solenoid directional control valve 2 16, check valve 4 17, electromagnetic check valve 18, filling liquid
Valve 19 combines to form oil liquid reversing mechanism by oil path block, and oil path block is equipped with pressure gauge cock 3 20 and pressure gauge 3 21；
P1 oil circuit is connected to the first hydraulic fluid port of electromagnetic voltage adjusting valve 1, and the second hydraulic fluid port of electromagnetic voltage adjusting valve 1 is connected by oil circuit
It passes to fuel tank, P1 oil circuit and electromagnetic voltage adjusting valve 1 and first oil liquid pressure regulating device, the first oil liquid pressure regulation is formed by stagnation pressure oil path block
Mechanism is equipped with pressure gauge cock 1, pressure gauge 1 and pressure switch 1；
P2 oil circuit is connected to the first hydraulic fluid port of electromagnetic voltage adjusting valve 29, and the second hydraulic fluid port of electromagnetic voltage adjusting valve 29 is connected by oil circuit
It passes to fuel tank, P2 oil circuit and electromagnetic voltage adjusting valve 29 and second oil liquid pressure regulating device, the second oil liquid pressure regulation is formed by stagnation pressure oil path block
Mechanism is equipped with pressure gauge cock 2 12, pressure gauge 2 13 and pressure switch 27；
When the plunger of rapid increase auxiliary cylinders 1, rapid increase auxiliary cylinders 2 222 and master cylinder 23 does not extend out,
Servo motor 1 starts and pair vane pump 3 is driven to run, since P2 oil circuit is not at this time due to loading, so oil liquid can be direct
Fuel tank is returned to, solenoid directional control valve 1 is switched to left position, and pressure oil successively passes through check valve 1, check valve three by P1 oil circuit
14, solenoid directional control valve 1 enters rapid increase auxiliary cylinders 1 and rapid increase auxiliary cylinders 2 222, rapid increase auxiliary cylinders
1 and rapid increase auxiliary cylinders 2 222 plunger at this time can rapid increase, prefill valve 19 can hold at this time by automatic suction, largely
Oil liquid enters in master cylinder 23 from fuel tank through prefill valve 19, when 23 plunger of master cylinder and walking beam rise to extreme position and
Prefill valve 19 can be automatically closed when oil liquid pressure reaches target value, and oil liquid pressure, which continues to rise, to be reached set by pressure switch 1
When fixed pressure, it is switched to P2 oil circuit, at this point, after solenoid directional control valve 2 16 is opened and is transferred to compression motion, electromagnetic voltage adjusting valve 1
Off-load, solenoid directional control valve 1 are switched to middle position, and rapid increase auxiliary cylinders 1 and 2 222 pressure release of rapid increase auxiliary cylinders stop
Only, the rapid increase of 23 plunger of master cylinder and walking beam is completed；
Pressure oil successively passes through check valve 26, solenoid directional control valve 2 16, check valve 4 17 by P2 oil circuit and enters master cylinder
Pressurization is realized in 23, pressurizes and stops when pressure reaches the setting pressure of pressure switch 27, and 29 off-load of electromagnetic voltage adjusting valve is main
Pressure in oil cylinder 23 is sealed using the conical surface, electromagnetic check valve 18, check valve 4 17 of prefill valve 19, by oil liquid and machine
Frame elasticity carries out pressure maintaining；
After pressure maintaining, 18 energization pressure release of electromagnetic check valve, while solenoid directional control valve 1 switches to right position, rapid increase
Oil liquid in auxiliary cylinders 1 and rapid increase auxiliary cylinders 2 222 returns to fuel tank, when pressure moment drops to target in master cylinder 23
When value, the pressure oil in P1 oil circuit can open prefill valve 19, and the oil liquid in main sliding cylinder is quickly returning to fuel tank, main oil through prefill valve 19
Stop after the fast downlink to bottom of 23 plunger of cylinder and walking beam, terminates one action circulation.
Claims (1)
1. a kind of hydraulic system applied in the small foaming machine of wall board type EVA, it is by servo motor (1), filter (2), double
Connection vane pump (3), pressure switch, check valve, electromagnetic voltage adjusting valve, pressure gauge cock, pressure gauge, solenoid directional control valve, electromagnetism stop
Inverse valve (18), prefill valve (19), rapid increase auxiliary cylinders, master cylinder (23), oil path block composition, which is characterized in that
Servo motor (1) connects and pair vane pump (3) is driven to run, and pair vane pump (3) is equipped with filter (2), duplex
First hydraulic fluid port of vane pump (3) is connect by oil circuit with the oil inlet of check valve one (5), the second hydraulic fluid port of pair vane pump (3)
It is connect by oil circuit with the oil inlet of check valve two (6)；
The oil outlet of check valve one (5) is connect by P1 oil circuit with the oil inlet of check valve three (14), and check valve three (14) goes out
Hydraulic fluid port is connect by oil circuit with the oil inlet of solenoid directional control valve one (15), and the first hydraulic fluid port of solenoid directional control valve one (15) passes through two-way
Oil circuit is connect with rapid increase auxiliary cylinders one (221), rapid increase auxiliary cylinders two (222) respectively；
The oil outlet of check valve two (6) is connect by P2 oil circuit with the oil inlet of solenoid directional control valve two (16), solenoid directional control valve two
(16) the first hydraulic fluid port is connect by oil circuit with the oil inlet of check valve four (17), and the oil outlet of check valve four (17) passes through oil circuit
It is connected to master cylinder (23), meanwhile, the oil outlet of prefill valve (19) is connect also through oil circuit with master cylinder (23)；
First oil inlet of prefill valve (19) is connected to fuel tank, and the second oil inlet of prefill valve (19) passes through oil circuit and electromagnetic switch
Second hydraulic fluid port of valve one (15) is connected to, the third hydraulic fluid port of solenoid directional control valve one (15) by oil circuit respectively with solenoid directional control valve two
(16) the first hydraulic fluid port connection of the second hydraulic fluid port, electromagnetic check valve (18)；
Connection oil circuit between check valve four (17) and master cylinder (23) is connected to the second hydraulic fluid port of electromagnetic check valve (18)；
Check valve three (14), solenoid directional control valve one (15), solenoid directional control valve two (16), check valve four (17), electromagnetic check valve
(18), prefill valve (19) combines to form oil liquid reversing mechanism by oil path block, oil path block be equipped with pressure gauge cock three (20) and
Pressure gauge three (21)；
P1 oil circuit is connected to the first hydraulic fluid port of electromagnetic voltage adjusting valve one (8), and the second hydraulic fluid port of electromagnetic voltage adjusting valve one (8) is connected by oil circuit
It passes to fuel tank, P1 oil circuit and electromagnetic voltage adjusting valve one (8) and the first oil liquid pressure regulating device, the first oil liquid tune is formed by stagnation pressure oil path block
Press mechanism is equipped with pressure gauge cock one (10), pressure gauge one (11) and pressure switch one (4)；
P2 oil circuit is connected to the first hydraulic fluid port of electromagnetic voltage adjusting valve two (9), and the second hydraulic fluid port of electromagnetic voltage adjusting valve two (9) is connected by oil circuit
It passes to fuel tank, P2 oil circuit and electromagnetic voltage adjusting valve two (9) and the second oil liquid pressure regulating device, the second oil liquid tune is formed by stagnation pressure oil path block
Press mechanism is equipped with pressure gauge cock two (12), pressure gauge two (13) and pressure switch two (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533403.6U CN208268134U (en) | 2018-04-14 | 2018-04-14 | A kind of hydraulic system applied in the small foaming machine of wall board type EVA |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820533403.6U CN208268134U (en) | 2018-04-14 | 2018-04-14 | A kind of hydraulic system applied in the small foaming machine of wall board type EVA |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208268134U true CN208268134U (en) | 2018-12-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820533403.6U Withdrawn - After Issue CN208268134U (en) | 2018-04-14 | 2018-04-14 | A kind of hydraulic system applied in the small foaming machine of wall board type EVA |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208268134U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591145A (en) * | 2018-04-14 | 2018-09-28 | 晋江市火炬油压机械有限公司 | A kind of hydraulic system applied in the small foaming machines of wall board type EVA |
-
2018
- 2018-04-14 CN CN201820533403.6U patent/CN208268134U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108591145A (en) * | 2018-04-14 | 2018-09-28 | 晋江市火炬油压机械有限公司 | A kind of hydraulic system applied in the small foaming machines of wall board type EVA |
| CN108591145B (en) * | 2018-04-14 | 2023-07-11 | 晋江市火炬油压机械有限公司 | Hydraulic system applied to wallboard EVA small foaming machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181221 Effective date of abandoning: 20230711 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181221 Effective date of abandoning: 20230711 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |