CN104669569B - A kind of 5 machine twisting mold mechanism hydraulic systems - Google Patents
A kind of 5 machine twisting mold mechanism hydraulic systems Download PDFInfo
- Publication number
- CN104669569B CN104669569B CN201510064075.0A CN201510064075A CN104669569B CN 104669569 B CN104669569 B CN 104669569B CN 201510064075 A CN201510064075 A CN 201510064075A CN 104669569 B CN104669569 B CN 104669569B
- Authority
- CN
- China
- Prior art keywords
- hydraulic fluid
- fluid port
- oil pump
- servo
- oil
- 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.)
- Expired - Fee Related
Links
- 239000012530 fluid Substances 0.000 claims abstract description 81
- 238000004146 energy storage Methods 0.000 claims abstract description 21
- 238000006073 displacement reaction Methods 0.000 claims abstract description 12
- 230000001737 promoting effect Effects 0.000 claims abstract description 4
- 239000002828 fuel tank Substances 0.000 claims description 4
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 230000001133 acceleration Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/64—Mould opening, closing or clamping devices
- B29C45/67—Mould opening, closing or clamping devices hydraulic
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Fluid-Pressure Circuits (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a kind of 5 machine twisting mold mechanism hydraulic systems; clamping and the servo-cylinder for promoting clamping are included, displacement transducer, controller, servo valve, the first meter out device, energy-storage system and Oil pump electrical machinery system is also included.In hydraulic system of the invention, pressure is carried out to each hydraulic fluid port of servo valve by the data that displacement transducer and Stress control node are gathered for controller and flow is adjusted, the servo-cylinder speed of service and pressure are but that can be achieved by previously given track simultaneously, therefore the system to the pressure of oil pump and flow open loop without making final adjustment, oil pump need to provide the compression energy for meeting accumulator requirement, relatively low to oil pump requirement.The present invention can be widely applied to mechanical field as a kind of 5 machine twisting mold mechanism hydraulic systems.
Description
Technical field
The present invention relates to mechanical field, especially a kind of 5 machine twisting mold mechanism hydraulic systems.
Background technology
Known injection Clamping System includes all-hydraulic vertical compression machine and mechanical reaming type clamping, traditional mechanical reaming type clamping
It is commonly called as mechanical hydraulic-pressure type and provides hydraulic energy to die cylinder using hydraulic power, drives oil cylinder, oil cylinder reciprocating movement progress template
The quick matched moulds and high-voltage lock mould of mold-locked are acted.
It is by moving platen, front template, rear pattern plate composition with existing Clamping System for Injection Molding Machine example.Vertical compression machine
Die cylinder is directly installed on rear pattern plate, promotes the mould half module on moving platen to be fitted with front template mold half module or divided
Open, generally when two-half die during matched moulds will be combined, controller sends instruction deceleration oil pump fluid and subtracts liter, is easy to drop
Stream, reduces and mould is impacted, and safeguards die life, and also a kind of principle is that the previously given ideal speed curve of moving platen is deposited
In PLC, accelerated, maximum accelerates to be reduced to zero up to being decelerated to acceleration, using the closed loop of pump, makes die cylinder
Flow and pressure are controlled in advance.
Presently the most advanced method is that pre-set dynamic model is specified into ideal velocity, acceleration, deceleration setting
It is good（Had determined that during design）, then be analyzed and contrasted with the curve that another controller is caught on oil cylinder, measure and store phase
To the kinematic variables value of preferable moving platen, and constantly oil mass and Stress control in revision oil cylinder running, so as to realize mould
Analog quantity is controlled.
The content of the invention
In order to solve the above-mentioned technical problem, the purpose of the present invention is：A kind of pressure and flow without to oil pump is provided to open
5 machine twisting mold mechanism hydraulic systems of final adjustment are made in gyration.
The technical solution adopted in the present invention is：A kind of 5 machine twisting mold mechanism hydraulic systems, include clamping
With the servo-cylinder for promoting clamping, rod chamber area and rodless cavity area are divided into inside the servo-cylinder, also included
Displacement transducer, controller, servo valve, the first meter out device, energy-storage system and Oil pump electrical machinery system；The displacement sensing
Device is arranged on servo-cylinder, and the rod chamber area is provided with rod chamber area hydraulic fluid port and first pressure sensor, the rodless cavity
Area is provided with rodless cavity area hydraulic fluid port and second pressure sensor, the energy-storage system by servo valve respectively with rod chamber area hydraulic fluid port
Connected with rodless cavity area hydraulic fluid port, the energy-storage system and Oil pump electrical machinery system connectivity, the Oil pump electrical machinery system passes through servo valve
Connected with rod chamber area hydraulic fluid port and rodless cavity area hydraulic fluid port respectively, the controller is sensed with displacement transducer, first pressure respectively
The connection of device, second pressure sensor, servo valve and energy-storage system.
Further, rod chamber area hydraulic fluid port is connected with the first hydraulic fluid port of servo valve, rodless cavity area hydraulic fluid port and servo
The second hydraulic fluid port connection of valve, rod chamber area hydraulic fluid port is connected by the first meter out device with the 3rd hydraulic fluid port of servo valve,
4th hydraulic fluid port of the servo valve and the 6th hydraulic fluid port are connected with energy-storage system, and the energy-storage system goes out with Oil pump electrical machinery system
Hydraulic fluid port is connected, and the oil-out of the 4th hydraulic fluid port of the servo valve also with Oil pump electrical machinery system connect, and the 5th of the servo valve is oily
Mouth is connected with the oil return opening of Oil pump electrical machinery system.
Further, the energy-storage system includes relay, accumulator and logical valve, and the controller is connected by relay
Accumulator is connect, the accumulator is connected with the oil-out of the 4th hydraulic fluid port, the 6th hydraulic fluid port and Oil pump electrical machinery system respectively by logical valve
It is logical.
Further, the Oil pump electrical machinery system includes oil pump, fuel tank, check valve and is provided with the second meter out device
Oil return pipe, the oil pump connected with logical valve with the 4th hydraulic fluid port respectively by check valve, and the oil return pipe and the 6th hydraulic fluid port connect
It is logical.
The beneficial effects of the invention are as follows：In hydraulic system of the invention, controller passes through displacement transducer and Stress control
The data of node collection carry out pressure and flow adjustment to each hydraulic fluid port of servo valve, while the servo-cylinder speed of service and pressure
But it is that can be achieved by previously given track, therefore the system to the pressure of oil pump and flow open loop without making
Final adjustment, oil pump need to provide the compression energy for meeting accumulator requirement, relatively low to oil pump requirement.
Brief description of the drawings
Fig. 1 is the system structure diagram of present system.
Specific embodiment
Specific embodiment of the invention is described further below in conjunction with the accompanying drawings：
A kind of reference picture 1,5 machine twisting mold mechanism hydraulic systems, includes clamping 19 and for promoting clapper die spotting press
The servo-cylinder 1 of structure 19, is divided into rod chamber area A and rodless cavity area B, FA rod chamber annulus area, FB inside the servo-cylinder 1
It is rodless cavity area, also includes displacement transducer 2, controller 8, servo valve 7, the first meter out device 10, energy-storage system
With Oil pump electrical machinery system；Institute's displacement sensors 2 are arranged on servo-cylinder 1, and the rod chamber area A is provided with rod chamber area oil
Mouth 4 and first pressure sensor 6, the rodless cavity area B are provided with rodless cavity area hydraulic fluid port 3 and second pressure sensor 5, the storage
Energy system is connected with rod chamber area hydraulic fluid port 4 and rodless cavity area hydraulic fluid port 3 respectively by servo valve 7, and the energy-storage system is electric with oil pump
Machine system connectivity, the Oil pump electrical machinery system is connected with rod chamber area hydraulic fluid port 4 and rodless cavity area hydraulic fluid port 3 respectively by servo valve 7,
The controller 8 respectively with displacement transducer 2, first pressure sensor 5, second pressure sensor 6, servo valve 7 and accumulation of energy
System is connected.
Reference picture 1, is further used as preferred embodiment, the first hydraulic fluid port of rod chamber area hydraulic fluid port 4 and servo valve 7
A hydraulic fluid ports are connected, and rodless cavity area hydraulic fluid port 3 is connected with the second hydraulic fluid port B hydraulic fluid ports of servo valve 7, and rod chamber area hydraulic fluid port 4 passes through
First meter out device 10 is connected with the 3rd hydraulic fluid port B1 hydraulic fluid ports of servo valve 7, the 4th hydraulic fluid port P hydraulic fluid ports of the servo valve 7 and
6th hydraulic fluid port P1 hydraulic fluid ports are connected with energy-storage system, and the energy-storage system is connected with the oil-out of Oil pump electrical machinery system, described to watch
Oil-out of the 4th hydraulic fluid port P hydraulic fluid ports of valve 7 also with Oil pump electrical machinery system is taken to connect, the 5th hydraulic fluid port T hydraulic fluid ports of the servo valve 7 with
The oil return opening connection of Oil pump electrical machinery system.
Reference picture 1, is further used as preferred embodiment, and the energy-storage system includes relay 13, accumulator 12
With logical valve 17, the controller 8 by relay 13 connect accumulator 12, the accumulator 12 by logical valve 17 respectively with
4th hydraulic fluid port P hydraulic fluid ports, the 6th hydraulic fluid port P1 hydraulic fluid ports are connected with the oil-out of Oil pump electrical machinery system.
Reference picture 1, is further used as preferred embodiment, the Oil pump electrical machinery system include oil pump 14, fuel tank 15,
Check valve 11 and the oil return pipe 18 for being provided with the second meter out device 23, the oil pump 14 pass through check valve 11 and oil pipeline
16 connect with logical valve 17 with the 4th hydraulic fluid port P hydraulic fluid ports respectively, and the oil-out of check valve 11 is the oil-out of Oil pump electrical machinery system,
The oil return pipe 18 is connected with the 5th hydraulic fluid port T hydraulic fluid ports, and the oil inlet of the oil return pipe 18 is the oil inlet of Oil pump electrical machinery system.
Structure of the present invention makes controller 8 by obtaining the data of sensor and multichannel Stress control node, and then control is watched
Take valve 7 each hydraulic fluid port to be adjusted pressure and flow, while the servo-cylinder speed of service and pressure are but by previously given
Track be achieved, its typical course of work is as follows：
（1）Start-up course：In matched moulds request instruction condition maturity, controller 8 sends five-point type machine twisting mold mechanism 19
Instruction, servo valve 7 flows into the fluid of accumulator 12 through oil inlet 3 in servo-cylinder 1, and full of rodless cavity B, promotes piston 22
Reach, fluid flows into fuel tank 15 through hydraulic fluid port 4 through T mouthfuls on servo valve and oil return pipe 18 in rod chamber A, and piston rod 21 drives five-point type
The mould half module 20 installed on machine twisting mold mechanism 19 is moved, and realizes smoothing startup in the case where inactive state is loaded.
（2）Speed-raising process：Servo valve 7 requires that the hydraulic fluid port A pressure of servo valve 7 increases with five-point type machine twisting mold mechanism 19
Height, the oil pressure of hydraulic fluid port 3 also accordingly increases into servo-cylinder 1, and piston 22 receives PBSupercharging reach, with the hydraulic fluid port A of servo valve 7
Flow increases, the flow velocity V of rodless cavity BBRapid lifting, B mouthfuls of another hydraulic fluid port is influenceed by 7 banked direction control valves openings of sizes, and restriction is complete
Portion opens, through T mouthfuls of oil return flow velocity VTAccelerate, servo-cylinder 1 enters the speed-raising stage.
Similarly, the control that present system can also be by controller 8 to servo valve 7, drive Oil pump electrical machinery system and
Energy-storage system carries out different mode control to clamping.
Above is preferable implementation of the invention is illustrated, but the invention is not limited to the implementation
Example, those of ordinary skill in the art can also make a variety of equivalents or replace on the premise of without prejudice to spirit of the invention
Change, these equivalent deformations or replacement are all contained in the application claim limited range.
Claims (3)
1. a kind of 5 machine twisting mold mechanism hydraulic systems, include clamping and the servo oil for promoting clamping
Cylinder, is divided into rod chamber area and rodless cavity area inside the servo-cylinder, it is characterised in that：Also include displacement transducer, control
Device, servo valve, the first meter out device, energy-storage system and Oil pump electrical machinery system；Institute's displacement sensors are arranged at servo oil
On cylinder, the rod chamber area is provided with rod chamber area hydraulic fluid port and first pressure sensor, and the rodless cavity area is provided with rodless cavity
Area's hydraulic fluid port and second pressure sensor, the energy-storage system by servo valve respectively with rod chamber area hydraulic fluid port and rodless cavity area hydraulic fluid port
Connection, the energy-storage system and Oil pump electrical machinery system connectivity, the Oil pump electrical machinery system by servo valve respectively with rod chamber area
Hydraulic fluid port is connected with rodless cavity area hydraulic fluid port, and the controller is sensed with displacement transducer, first pressure sensor, second pressure respectively
The connection of device, servo valve and energy-storage system；Rod chamber area hydraulic fluid port is connected with the first hydraulic fluid port of servo valve, the rodless cavity area
Hydraulic fluid port is connected with the second hydraulic fluid port of servo valve, and rod chamber area hydraulic fluid port is by the first meter out device and the 3rd of servo valve
Hydraulic fluid port is connected, and the 4th hydraulic fluid port of the servo valve and the 6th hydraulic fluid port are connected with energy-storage system, and the energy-storage system is electric with oil pump
The oil-out connection of machine system, the oil-out of the 4th hydraulic fluid port of the servo valve also with Oil pump electrical machinery system is connected, the servo
5th hydraulic fluid port of valve is connected with the oil return opening of Oil pump electrical machinery system.
2. a kind of 5 machines twisting mold mechanism hydraulic system according to claim 1, it is characterised in that：The energy-storage system
Relay, accumulator and logical valve are included, the controller connects accumulator by relay, and the accumulator passes through logic
Oil-out of the valve respectively with the 4th hydraulic fluid port, the 6th hydraulic fluid port and Oil pump electrical machinery system is connected.
3. a kind of 5 machines twisting mold mechanism hydraulic system according to claim 2, it is characterised in that：The Oil pump electrical machinery
System includes oil pump, fuel tank, check valve and passes through check valve with the oil return pipe of the second meter out device, the oil pump is provided with
Connected with logical valve with the 4th hydraulic fluid port respectively, the oil return pipe is connected with the 6th hydraulic fluid port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510064075.0A CN104669569B (en) | 2015-02-06 | 2015-02-06 | A kind of 5 machine twisting mold mechanism hydraulic systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510064075.0A CN104669569B (en) | 2015-02-06 | 2015-02-06 | A kind of 5 machine twisting mold mechanism hydraulic systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104669569A CN104669569A (en) | 2015-06-03 |
| CN104669569B true CN104669569B (en) | 2017-06-30 |
Family
ID=53305407
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510064075.0A Expired - Fee Related CN104669569B (en) | 2015-02-06 | 2015-02-06 | A kind of 5 machine twisting mold mechanism hydraulic systems |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104669569B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106217793B (en) * | 2016-08-02 | 2018-03-27 | 广州一道注塑机械股份有限公司 | A kind of new five gallon bottle bottle embryo clamping |
| CN110422792A (en) * | 2019-08-07 | 2019-11-08 | 宁波念初机械工业有限公司 | A kind of lower part material jacking mechanism of hydraulic driving servo control |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6289259B1 (en) * | 1998-10-16 | 2001-09-11 | Husky Injection Molding Systems Ltd. | Intelligent hydraulic manifold used in an injection molding machine |
| CN2925841Y (en) * | 2005-05-31 | 2007-07-25 | 佛山伊之密精密机械有限公司 | Oil-pressure servo controller of injection molding machine |
| JP4986132B2 (en) * | 2007-02-13 | 2012-07-25 | 三菱重工プラスチックテクノロジー株式会社 | Control method of hydraulic circuit of injection compression molding machine |
| CN101870160B (en) * | 2010-03-30 | 2013-05-29 | 浙江大学 | Pump-valve compound control hydraulic system for injection molding machine and control method thereof |
| CN103042667A (en) * | 2011-10-17 | 2013-04-17 | 博创机械股份有限公司 | High-speed mould opening-closing hydraulic loop system |
-
2015
- 2015-02-06 CN CN201510064075.0A patent/CN104669569B/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN104669569A (en) | 2015-06-03 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 510663 Guangdong, China Hi tech Industrial Development Zone, Guangzhou, No. 19 Shenzhou Road, building on the third floor of the third floor Applicant after: UNIQUE INJECTION MOLDING SYSTEM CO.,LTD. Address before: 510530, Guangzhou, Guangdong Province, Luogang District, No. 23, Po Road, 1 Applicant before: Guangzhou Unique Injection Molding Systems Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170630 |