CN206999733U - High-accuracy hydraulic press system device - Google Patents
High-accuracy hydraulic press system device Download PDFInfo
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- CN206999733U CN206999733U CN201720734555.8U CN201720734555U CN206999733U CN 206999733 U CN206999733 U CN 206999733U CN 201720734555 U CN201720734555 U CN 201720734555U CN 206999733 U CN206999733 U CN 206999733U
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Abstract
A kind of high-accuracy hydraulic press system device, including fuel tank, master cylinder and fuel tank, system big flow oil pump connects fuel tank with the entrance point of system rill dispensing pump by pipeline, variable-frequency motor both ends control connection system big flow oil pump and system rill dispensing pump respectively, system big flow oil pump connects the oil inlet P of three position four-way electromagnetic valve with the oil-out of system rill dispensing pump by pipeline, the oil return inlet T connected tank of three position four-way electromagnetic valve, the actuator port A of three position four-way electromagnetic valve connects the rodless cavity body of master cylinder by pipeline, the actuator port B of three position four-way electromagnetic valve connects the rod chamber body of master cylinder by pipeline, the utility model uses the proportional velocity regulating valve and proportional pressure control valve of import, the pressure and flow of system can be accurately controlled；The utility model is using displacement transducer come the displacement of control slide block, and to meet positioning, determine range request, its control accuracy≤± 0.03mm, positioning can be stepless adjustable in total travel.
Description
Technical field：
It the utility model is related to hydraulic press field, and in particular to a kind of high-accuracy hydraulic press system device.
Background technology：
High precision hydraulic press is applied to the compacting that powder industry determines densimetry, automobile, motorcycle industry bearing, bearing pin press fitting
And high-precision level pressure, the preset strokes of various riveting process；And press fitting, detection station integration, existing hydraulic press control can be made
Low precision processed, it is impossible to be adapted to the harsh environments such as high temperature, the regulation to sliding block gait of march and pressure is all adjusted manually, to behaviour
Basic demand is higher, and stability is poor, inefficient.
Utility model content：
The purpose of this utility model be in order to overcome above-mentioned the shortcomings of the prior art in place of, and provide a kind of high-accuracy
Hydraulic system, control position is accurate, and easily operated, stability is good.
In order to solve the problems existing in background technology, the utility model adopts the following technical scheme that：A kind of high-accuracy liquid
Press system device, including fuel tank, system big flow oil pump, system rill dispensing pump, master cylinder and fuel tank, system big flow oil
Pump connects fuel tank with the entrance point of system rill dispensing pump by pipeline, and variable-frequency motor both ends control connection system big flow respectively
Oil pump and system rill dispensing pump, system big flow oil pump connect three four with the oil-out of system rill dispensing pump by pipeline
The oil inlet P of three-way electromagnetic valve, the oil return inlet T connected tank of three position four-way electromagnetic valve, the actuator port A of three position four-way electromagnetic valve pass through
Pipeline connects the rodless cavity body of master cylinder, and the actuator port B of three position four-way electromagnetic valve connects the rod chamber body of master cylinder by pipeline,
Two-position two-way solenoid valve, two-position two-way solenoid valve are also connected with pipeline between system rill dispensing pump and three position four-way electromagnetic valve
Oil inlet P fuel tank is connected by safety valve pipeline, on the pipeline between the rodless cavity body and three position four-way electromagnetic valve of master cylinder
Provided with the first hydraulic control one-way valve, the pipeline between the rod chamber body and three position four-way electromagnetic valve of master cylinder is provided with the second hydraulic control list
To valve, the oil-feed port of system rill dispensing pump connects the rodless cavity body of master cylinder by oil feed line, and the upper end of master cylinder is with
End sets a displacement transducer respectively, and the in-line of system rill dispensing pump is provided with the 3rd hydraulic control one-way valve, proportional overflow
Valve and proportional velocity regulating valve, set a hydraulic branch between the second hydraulic control one-way valve and master cylinder, the hydraulic branch includes the 4th
Hydraulic control one-way valve, one-way overflow valve and No. 1 two-position four-way solenoid valve, the actuator port A orders of No. 1 two-position four-way solenoid valve are to overflowing
Flow the oil-out of valve, the oil return inlet T connected tank of No. 1 two-position four-way check valve, the 3rd fluid apertures check valve and the 4th hydraulic control one-way valve
Control oil circuit be connected by No. 2 two-position four-way solenoid valves with oil feed line, the oil inlet and hydraulic pressure of system big flow oil pump 2
Direct-acting overflow valve is connected between loop.
The master cylinder includes cylinder body, piston and piston rod, piston connection piston rod, the upper end and cylinder body of piston it
Between formed rodless cavity body, between piston and cylinder body formed rod chamber body, piston rod stretch out cylinder body outer end one end be provided with position
Displacement sensor.
The utility model uses the proportional velocity regulating valve and proportional pressure control valve of import, can be accurately controlled the pressure and stream of system
Amount；It is furnished with displacement transducer on master cylinder, the power output of pressure head can reach according to any adjustment of change of Product Process parameter
After setting value, system enters pressurize.By the display instrument display data on fuselage, pressure precision≤± 3%, pressure is in nominal pressure
15%-100% between step-less adjustment；Displacement accuracy≤± 0.01mm.The utility model controls cunning using displacement transducer
The displacement of block, to meet positioning, determine range request, its control accuracy≤± 0.03mm, positioning can be stepless adjustable in total travel；This reality
Simple with new structure, low manufacture cost is easy to operate, service life length, high financial profit.
Brief description of the drawings：
Fig. 1 is hydraulic schematic diagram of the present utility model.
In figure：1. fuel tank, 2. system big flow oil pumps, 3. system rill dispensing pumps, 4. master cylinders, 5. Direct Action Type overflows
Valve, 6. variable-frequency motors, 7. three position four-way electromagnetic valves, 8. two-position two-way solenoid valves, 9. safety valves, 10. first hydraulic control one-way valves,
11. the second hydraulic control one-way valve, 12. displacement transducers, 13. the 3rd hydraulic control one-way valves, 14. proportional pressure control valves, 15. proportionality velocity modulations
Valve, 16. hydraulic circuits, 17. the 4th hydraulic control one-way valves, 18. one-way overflow valves, No. 19.1 two-position four-way solenoid valves, No. 20.2 two
Position four-way solenoid valve.
Embodiment：
Reference picture 1, a kind of high-accuracy hydraulic press system device, including fuel tank 1, system big flow oil pump 2, system low discharge
Oil pump 3, master cylinder 4 and fuel tank 1, system big flow oil pump 2 connect fuel tank with the entrance point of system rill dispensing pump 3 by pipeline
1, the both ends of variable-frequency motor 6 control connection system big flow oil pump 2 and system rill dispensing pump 3, the He of system big flow oil pump 2 respectively
The oil-out of system rill dispensing pump 3 connects the oil inlet P of three position four-way electromagnetic valve 7 by pipeline, three position four-way electromagnetic valve 7
Oil return inlet T connected tank 1, the actuator port A of three position four-way electromagnetic valve 7 connect the rodless cavity body of master cylinder 4,3-position 4-way by pipeline
The actuator port B of magnetic valve 7 connects the rod chamber body of master cylinder 4, system rill dispensing pump 3 and 3-position 4-way electromagnetism by pipeline
Two-position two-way solenoid valve 8 is also connected with pipeline between valve 7, the oil inlet P of two-position two-way solenoid valve 8 passes through the pipeline of safety valve 9
Fuel tank 1 is connected, the pipeline between the rodless cavity body and three position four-way electromagnetic valve 7 of master cylinder 4 is provided with the first hydraulic control one-way valve 10,
Pipeline between the rod chamber body and three position four-way electromagnetic valve 7 of master cylinder is provided with the second hydraulic control one-way valve 11, system low discharge
The oil-feed port of oil pump 3 connects the rodless cavity body of master cylinder 4 by oil feed line, and the top and bottom of master cylinder set one respectively
Displacement sensor 12, the in-line of system rill dispensing pump 3 are provided with the 3rd hydraulic control one-way valve 13, proportional pressure control valve 14 and ratio
Flow speed control valve 15, sets a hydraulic branch between the second hydraulic control one-way valve 11 and master cylinder 4, the hydraulic branch includes the 4th hydraulic control
The actuator port A orders of 19, No. 1 check valve 17, one-way overflow valve 18 and No. 1 two-position four-way solenoid valve two-position four-way solenoid valve 19
To the oil-out of overflow valve 18, the oil return inlet T connected tank 1 of No. 1 two-position four-way solenoid valve 19, the 3rd fluid apertures check valve 13 and the 4th
The control oil circuit of hydraulic control one-way valve 17 is connected by No. 2 two-position four-way solenoid valves 20 with oil feed line, system big flow oil pump 2
Oil inlet and hydraulic circuit 16 between be connected with direct-acting overflow valve 5.
The master cylinder 4 includes cylinder body, piston and piston rod, piston connection piston rod, the upper end of piston and cylinder body
Between formed rodless cavity body, between piston and cylinder body formed rod chamber body, piston rod stretch out cylinder body outer end one end be provided with
Displacement transducer 12.
In the course of work of the present embodiment：
F.F. process：Variable-frequency motor starts, system big flow oil pump 2 and the oil inlet fuel feeding of system rill dispensing pump 3, ratio
Overflow valve 14 and two-position four-way solenoid valve 7 are powered, and realize the quick fuel feeding of rodless cavity of master cylinder.
Work enters process：System big flow oil pump 2 and the oil inlet fuel feeding of system rill dispensing pump 3, No. 2 two-position four-way solenoid valves
20 are powered, and the second hydraulic control one-way valve 11 and the 3rd hydraulic control one-way valve 13 are opened, and proportional pressure control valve 14 and speed governing overflow valve 15 are powered
Oil-feed flow and flow rate is adjusted, the rodless cavity oil-feed of master cylinder, the hydraulic oil of the rod chamber of master cylinder is through the 4th hydraulic control one-way valve
17th, one-way overflow valve 18 and be powered after No. 1 oil return of two-position four-way solenoid valve 19.
Pressurize process：After the sender of displacement transducer 12, all electric signal dead electricity, all hydraulic control one-way valves realize pressurize, protect
Press 1 second time.
Pressure release process：Two-position two-way solenoid valve 8 and No. 2 two-position four-way solenoid valves 20 are powered, the He of the second hydraulic control one-way valve 11
3rd hydraulic control one-way valve 13 is opened, and realizes the pressure release of the rodless cavity and rod chamber of master cylinder.
Backhaul process：Two-position four-way solenoid valve 7 is powered and No. 2 two-position four-way solenoid valves 20 are powered, system big flow oil pump 2
Oil-feed is by two-position four-way solenoid valve 7, by the 4th hydraulic control one-way valve 17, flows to the rod chamber of master cylinder, master cylinder without bar
Threeth hydraulic control one-way valve 13 and first hydraulic control one-way valve 10 oil return of the hydraulic oil of chamber through unlatching, realize sliding block backhaul.
Claims (2)
1. a kind of high-accuracy hydraulic press system device, including fuel tank（1）, system big flow oil pump（2）, system rill dispensing pump
（3）, master cylinder（4）And fuel tank（1）, it is characterised in that：System big flow oil pump（2）With system rill dispensing pump（3）Import
End connects fuel tank by pipeline（1）, variable-frequency motor（6）Both ends control connection system big flow oil pump respectively（2）With system rill
Dispensing pump（3）, system big flow oil pump（2）With system rill dispensing pump（3）Oil-out pass through pipeline connect 3-position 4-way electricity
Magnet valve（7）Oil inlet P, three position four-way electromagnetic valve（7）Oil return inlet T connected tank（1）, three position four-way electromagnetic valve（7）Work
Hydraulic fluid port A connects master cylinder by pipeline（4）Rodless cavity body, three position four-way electromagnetic valve（7）Actuator port B pass through pipeline connection master
Oil cylinder（4）Rod chamber body, system rill dispensing pump（3）With three position four-way electromagnetic valve（7）Between pipeline on be also connected with two
Two-way electromagnetic valve（8）, two-position two-way solenoid valve（8）Oil inlet P pass through safety valve（9）Pipeline connects fuel tank（1）, master cylinder
Rodless cavity body and three position four-way electromagnetic valve（7）Between pipeline be provided with the first hydraulic control one-way valve（10）, the rod chamber of master cylinder
Body and three position four-way electromagnetic valve（7）Between pipeline be provided with the second hydraulic control one-way valve（11）, system rill dispensing pump（3）Confession
Hydraulic fluid port connects master cylinder by oil feed line（4）Rodless cavity body, the top and bottom of master cylinder set a displacement sensing respectively
Device（12）, system rill dispensing pump（3）In-line be provided with the 3rd hydraulic control one-way valve（13）, proportional pressure control valve（14）With than
Example flow speed control valve（15）, the second hydraulic control one-way valve（11）With master cylinder（4）Between a hydraulic branch is set, the hydraulic branch includes
4th hydraulic control one-way valve（17）, one-way overflow valve（18）With No. 1 two-position four-way solenoid valve（19）, No. 1 two-position four-way solenoid valve
（19）Actuator port A connect one-way overflow valve（18）Oil-out, No. 1 two-position four-way solenoid valve（19）Oil return inlet T connected tank
（1）, the 3rd fluid apertures check valve（13）With the 4th hydraulic control one-way valve（17）Control oil circuit pass through No. 2 two-position four-way solenoid valves（20）
It is connected with oil feed line, system big flow oil pump（2）Oil inlet and hydraulic circuit（16）Between be connected with Direct Action Type overflow
Valve（5）.
2. high-accuracy hydraulic press system device according to claim 1, it is characterised in that：The master cylinder（4）Including cylinder
Body, piston and piston rod, piston connection piston rod, form rodless cavity body, piston between the upper end of piston and cylinder body
Rod chamber body is formed between cylinder body, piston rod stretches out cylinder body outer end one end and is provided with displacement transducer（12）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734555.8U CN206999733U (en) | 2017-06-23 | 2017-06-23 | High-accuracy hydraulic press system device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720734555.8U CN206999733U (en) | 2017-06-23 | 2017-06-23 | High-accuracy hydraulic press system device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206999733U true CN206999733U (en) | 2018-02-13 |
Family
ID=61447743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720734555.8U Active CN206999733U (en) | 2017-06-23 | 2017-06-23 | High-accuracy hydraulic press system device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206999733U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386401A (en) * | 2018-04-17 | 2018-08-10 | 迪斯油压工业(昆山)有限公司 | Hydraulic press quick response system |
| CN110641661A (en) * | 2019-08-22 | 2020-01-03 | 武汉船用机械有限责任公司 | Rudder turning mechanism of underwater vehicle |
| CN113757201A (en) * | 2021-10-18 | 2021-12-07 | 山东泰丰智能控制股份有限公司 | Intelligent control hydraulic system |
-
2017
- 2017-06-23 CN CN201720734555.8U patent/CN206999733U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108386401A (en) * | 2018-04-17 | 2018-08-10 | 迪斯油压工业(昆山)有限公司 | Hydraulic press quick response system |
| CN108386401B (en) * | 2018-04-17 | 2023-11-28 | 迪斯油压工业(昆山)有限公司 | Quick response system of oil press |
| CN110641661A (en) * | 2019-08-22 | 2020-01-03 | 武汉船用机械有限责任公司 | Rudder turning mechanism of underwater vehicle |
| CN113757201A (en) * | 2021-10-18 | 2021-12-07 | 山东泰丰智能控制股份有限公司 | Intelligent control hydraulic system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: High precision hydraulic press system device Effective date of registration: 20220516 Granted publication date: 20180213 Pledgee: Shandong Zoucheng rural commercial bank Limited by Share Ltd. Pledgor: JINING LUWEI HYDRAULIC TECHNOLOGY CO.,LTD. Registration number: Y2022980005586 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230504 Granted publication date: 20180213 Pledgee: Shandong Zoucheng rural commercial bank Limited by Share Ltd. Pledgor: JINING LUWEI HYDRAULIC TECHNOLOGY CO.,LTD. Registration number: Y2022980005586 |