CN106734972A - A kind of hydraulic system being applied in hydraulic pressure automatic moulding machine - Google Patents
A kind of hydraulic system being applied in hydraulic pressure automatic moulding machine Download PDFInfo
- Publication number
- CN106734972A CN106734972A CN201710014538.1A CN201710014538A CN106734972A CN 106734972 A CN106734972 A CN 106734972A CN 201710014538 A CN201710014538 A CN 201710014538A CN 106734972 A CN106734972 A CN 106734972A
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- CN
- China
- Prior art keywords
- pumps
- valve
- check valve
- oil
- accumulator
- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C15/00—Moulding machines characterised by the compacting mechanism; Accessories therefor
- B22C15/02—Compacting by pressing devices only
- B22C15/08—Compacting by pressing devices only involving pneumatic or hydraulic mechanisms
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C19/00—Components or accessories for moulding machines
Abstract
A kind of hydraulic system being applied in hydraulic pressure automatic moulding machine, first motor is connected with a PQ pumps, first PQ pumps are connected to the first check valve by the first filter, and the first check valve is connected with proportional reversing valve, and a PQ pumps are provided with the proportional control valve with pressure sensor；It is connected with each other by oil pipe between proportional reversing valve and die cylinder；Second motor is connected with the 2nd PQ pumps, 2nd PQ pumps are connected to the second check valve by the second filter, and the second check valve is connected with accumulator, and accumulator is provided with unloading, accumulator is connected with the quick fuel outlet valve with principal pressure table, and quick fuel outlet valve is connected with proportional reversing valve；Pressure is acted on die cylinder by the proportional control valve that the first PQ pumps are carried via the first check valve and proportional reversing valve, die cylinder is rapidly completed mould assembling action.The characteristics of present invention has the qualification rate of the moulding speed that structure is novel, effectively improve moulding board, the Modeling precision for effectively improving board and finished product.
Description
Technical field
The invention belongs to machinery hydraulic system field, it is related to a kind of hydraulic system being applied in hydraulic pressure automatic moulding machine.
Background technology
At present, in actual application process can there are the personnel that moulding speed is slow, yields poorly, require in existing moulding machine
Formed precision during many, moulding is low, yield rate is low, board runs unstable, temperature rise problem.
The content of the invention
In order to solve the above problems, now using Nan'an Jie Jia hydraulic machineries Co., Ltd workshop as the art of this patent scheme
Enforcement place, the present invention provides a kind of hydraulic system being applied in hydraulic pressure automatic moulding machine, and it has structure novel, effectively
Improve the moulding speed of moulding board, reduction personnel Attended Operation, the Modeling precision for effectively improving board and finished product in ground
The characteristics of qualification rate.
In order to achieve the above object, the present invention takes following particular technique measure：One kind is applied to hydraulic pressure automatic moulding machine
In hydraulic system, it is by die cylinder, hydraulic oil container, PQ pumps, motor, check valve, water cooler, accumulator, quickly puts
Fuel tap, principal pressure table, pressure sensor, proportional reversing valve, oil path block composition, it is characterised in that
First motor is connected with a PQ pumps, and a PQ pumps are connected to the first check valve, the first check valve by the first filter
It is connected with proportional reversing valve by oil pipe, a PQ pumps are provided with the proportional control valve with pressure sensor；
It is connected with each other by oil pipe between proportional reversing valve and die cylinder；
Second motor is connected with the 2nd PQ pumps, and the 2nd PQ pumps are connected to the second check valve, the second check valve by the second filter
It is connected with accumulator by oil pipe, accumulator is provided with unloading, and accumulator is by oil pipe and the quick fuel outlet valve with principal pressure table
Connection, quick fuel outlet valve is connected by oil pipe with proportional reversing valve；
First PQ pumps, the oil inlet of the 2nd PQ pumps are respectively communicated to hydraulic oil container, and a PQ pumps, the oil-out of the 2nd PQ pumps connect
It is connected to the oil path block with hole position；
First PQ pumps, the variable mouth of the 2nd PQ pumps are connected to the porch of water cooler, and the exit of water cooler is connected with
Copper pipe returns hydraulic oil container；
Used as slippage pump, it is that accumulator supplements hydraulic oil by the second check valve that the second motor drives the 2nd PQ pumps to 2nd PQ pumps；
Pressure is acted on die cylinder by the proportional control valve that the first PQ pumps are carried via the first check valve and proportional reversing valve, is made
Die cylinder is rapidly completed mould assembling action；
Hydraulic oil in accumulator is released to die cylinder by quick fuel outlet valve readily through proportional reversing valve, is pushed away so as to reach
The speed velocity accuracy requirement of dynamic circuit connector mould oil cylinder rapid increase/decline；
Compaction force is realized being precisely controlled by PLC control pressures sensor.
The present invention controls the hydraulic system of hydraulic pressure automatic moulding machine using PLC.
Described PQ pumps are specially FOUNTAIN PUMP.
Described unloading can effectively prevent energy storage pressure too high.
Described proportional reversing valve is high-precision proportional reversing valve.
Described quick fuel outlet valve is the quick fuel outlet valve of big flow.
The present invention has advantages below：
1st, the lifting/lowering speed of die cylinder is greatly improved by the effect of accumulator and quick fuel outlet valve；
2nd, temperature rise can be reduced using PQ pumps, Stress control is more accurate, power of motor reduces；
3rd, the plus/minus speed of die cylinder and the purpose of positioning can well be realized using high-precision proportional reversing valve；
4th, the setting of pressure sensor can realize being precisely controlled for compaction force.
The beneficial effects of the present invention are it has the moulding speed that structure is novel, effectively improve moulding board, reduces
The characteristics of qualification rate of personnel's Attended Operation, the Modeling precision for effectively improving board and finished product.
The present invention is described in further detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 in the present invention to be connected with each other structural representation between each part.
In figure：The filters of 3- first, the PQ pumps of 4- the, the motors of 5- first, the PQ pumps of 6- the 2nd, the filters of 7- second, 8-
Two motors, 9- proportional control valves, the check valves of 10- second, 12- pressure sensors, the check valves of 13- first, the quick fuel outlet valves of 14-,
15- principal pressures table, 16- accumulators, 17- proportional reversing valves, 18- unloadings, 19- die cylinders,.
Specific embodiment
Applicant is using Nan'an Jie Jia hydraulic machineries Co., Ltd workshop as the specific of the art of this patent scheme
Enforcement place, there is provided specific examples below：
As shown in figure 1, a kind of hydraulic system being applied in hydraulic pressure automatic moulding machine, it be by die cylinder 19, hydraulic oil container,
PQ pumps, motor, check valve, water cooler, accumulator 16, quick fuel outlet valve 14, principal pressure table 15, pressure sensor 12, ratio
Reversal valve 17, oil path block is constituted, it is characterised in that
First motor 5 is connected with a PQ pumps 4, and a PQ pumps 4 are connected to the first check valve 13, first by the first filter 3
Check valve 13 is connected by oil pipe with proportional reversing valve 17, and a PQ pumps 4 are provided with the proportional control valve with pressure sensor 12
9；
It is connected with each other by oil pipe between proportional reversing valve 17 and die cylinder 19；
Second motor 8 is connected with the 2nd PQ pumps 6, and the 2nd PQ pumps 6 are connected to the second check valve 10, second by the second filter 7
Check valve 10 is connected by oil pipe with accumulator 16, and accumulator 16 is provided with unloading 18, and accumulator 16 is by oil pipe and with main pressure
The quick fuel outlet valve 14 of power table 15 is connected, and quick fuel outlet valve 14 is connected by oil pipe with proportional reversing valve 17；
First PQ pumps 4, the oil inlet of the 2nd PQ pumps 6 are respectively communicated to hydraulic oil container, a PQ pumps 4, the oil-out of the 2nd PQ pumps 6
It is respectively connected with the oil path block with hole position；
First PQ pumps 4, the variable mouth of the 2nd PQ pumps 6 are connected to the porch of water cooler, the exit connection of water cooler
There is copper pipe to return hydraulic oil container；
Used as slippage pump, the second motor 8 drives the 2nd PQ pumps 6 by the second check valve 10 for accumulator 16 is supplemented to 2nd PQ pumps 6
Hydraulic oil；
Pressure is acted on matched moulds by the proportional control valve 9 that the first PQ pumps 4 are carried via the first check valve 13 and proportional reversing valve 17
Oil cylinder 19, makes die cylinder 19 be rapidly completed mould assembling action；
Hydraulic oil in accumulator 16 is released to die cylinder 19 by quick fuel outlet valve 14 readily through proportional reversing valve 17, from
And reach the speed velocity accuracy requirement for promoting the rapid increase of die cylinder 19/decline；
Compaction force is realized being precisely controlled by PLC control pressures sensor 12.
Claims (1)
1. a kind of hydraulic system being applied in hydraulic pressure automatic moulding machine, it is by die cylinder（19）, hydraulic oil container, PQ pumps,
Motor, check valve, water cooler, accumulator（16）, quick fuel outlet valve（14）, principal pressure table（15）, pressure sensor（12）, ratio
Example reversal valve（17）, oil path block composition, it is characterised in that
First motor（5）With a PQ pumps（4）Connection, a PQ pumps（4）By the first filter（3）It is connected to the first check valve
（13）, the first check valve（13）By oil pipe and proportional reversing valve（17）Connection, a PQ pumps（4）It is provided with band pressure sensor
（12）Proportional control valve（9）；
Proportional reversing valve（17）With die cylinder（19）Between by oil pipe be connected with each other；
Second motor（8）With the 2nd PQ pumps（6）Connection, the 2nd PQ pumps（6）By the second filter（7）It is connected to the second check valve
（10）, the second check valve（10）By oil pipe and accumulator（16）Connection, accumulator（16）It is provided with unloading（18）, accumulator
（16）By oil pipe and band principal pressure table（15）Quick fuel outlet valve（14）Connection, quick fuel outlet valve（14）By oil pipe and ratio
Reversal valve（17）Connection；
First PQ pumps（4）, the 2nd PQ pumps（6）Oil inlet be respectively communicated to hydraulic oil container, a PQ pumps（4）, the 2nd PQ pumps（6）
Oil-out be respectively connected with the oil path block with hole position；
First PQ pumps（4）, the 2nd PQ pumps（6）Variable mouth be connected to the porch of water cooler, the exit of water cooler
It is connected with copper pipe and returns hydraulic oil container；
2nd PQ pumps（6）As slippage pump, the second motor（8）Drive the 2nd PQ pumps（6）By the second check valve（10）It is accumulation of energy
Device（16）Supplement hydraulic oil；
First PQ pumps（4）The proportional control valve for carrying（9）By pressure via the first check valve（13）And proportional reversing valve（17）Make
For die cylinder（19）, make die cylinder（19）It is rapidly completed mould assembling action；
Accumulator（16）In hydraulic oil by quick fuel outlet valve（14）Readily through proportional reversing valve（17）It is released to matched moulds oil
Cylinder（19）, so as to reach promotion die cylinder（19）The speed velocity accuracy requirement of rapid increase/decline；
Compaction force passes through PLC control pressure sensors（12）Realization is precisely controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014538.1A CN106734972A (en) | 2017-01-09 | 2017-01-09 | A kind of hydraulic system being applied in hydraulic pressure automatic moulding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710014538.1A CN106734972A (en) | 2017-01-09 | 2017-01-09 | A kind of hydraulic system being applied in hydraulic pressure automatic moulding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106734972A true CN106734972A (en) | 2017-05-31 |
Family
ID=58948420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710014538.1A Pending CN106734972A (en) | 2017-01-09 | 2017-01-09 | A kind of hydraulic system being applied in hydraulic pressure automatic moulding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106734972A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3606366A1 (en) * | 1986-02-27 | 1987-09-03 | Bosch Gmbh Robert | Hydraulic control device for an injection moulding machine |
| JP2004203686A (en) * | 2002-12-26 | 2004-07-22 | Nippon Electric Glass Co Ltd | Method and apparatus for press forming funnel glass for cathode-ray tube |
| CN2808533Y (en) * | 2005-08-12 | 2006-08-23 | 上海欣昶鑫企业发展有限公司 | Hydraulic press with instant voltage build-up function |
| CN101553330A (en) * | 2006-12-06 | 2009-10-07 | 新东工业株式会社 | Molding machine |
| CN202367164U (en) * | 2011-12-19 | 2012-08-08 | 致恒(天津)实业有限公司 | Hydraulic system for box closing and opening mechanism of molding machine |
| CN203651051U (en) * | 2013-11-19 | 2014-06-18 | 浙江大学 | Hydraulic control system of passive four-corner levelling hydraulic machine |
| WO2016051172A1 (en) * | 2014-09-30 | 2016-04-07 | Artemis Intelligent Power Limited | Industrial system with synthetically commutated variable displacement fluid working machine |
| CN205715005U (en) * | 2016-03-30 | 2016-11-23 | 博世力士乐（常州）有限公司 | Hydraulic system and include the equipment of this hydraulic system |
| CN205744634U (en) * | 2016-07-06 | 2016-11-30 | 宁波创基机械有限公司 | A kind of improve injection machine folding mould and the device of action of injection performance |
| CN206445183U (en) * | 2017-01-09 | 2017-08-29 | 南安市捷佳液压机械有限公司 | A kind of hydraulic system being applied in hydraulic pressure automatic moulding machine |
-
2017
- 2017-01-09 CN CN201710014538.1A patent/CN106734972A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3606366A1 (en) * | 1986-02-27 | 1987-09-03 | Bosch Gmbh Robert | Hydraulic control device for an injection moulding machine |
| JP2004203686A (en) * | 2002-12-26 | 2004-07-22 | Nippon Electric Glass Co Ltd | Method and apparatus for press forming funnel glass for cathode-ray tube |
| CN2808533Y (en) * | 2005-08-12 | 2006-08-23 | 上海欣昶鑫企业发展有限公司 | Hydraulic press with instant voltage build-up function |
| CN101553330A (en) * | 2006-12-06 | 2009-10-07 | 新东工业株式会社 | Molding machine |
| CN202367164U (en) * | 2011-12-19 | 2012-08-08 | 致恒(天津)实业有限公司 | Hydraulic system for box closing and opening mechanism of molding machine |
| CN203651051U (en) * | 2013-11-19 | 2014-06-18 | 浙江大学 | Hydraulic control system of passive four-corner levelling hydraulic machine |
| WO2016051172A1 (en) * | 2014-09-30 | 2016-04-07 | Artemis Intelligent Power Limited | Industrial system with synthetically commutated variable displacement fluid working machine |
| CN205715005U (en) * | 2016-03-30 | 2016-11-23 | 博世力士乐（常州）有限公司 | Hydraulic system and include the equipment of this hydraulic system |
| CN205744634U (en) * | 2016-07-06 | 2016-11-30 | 宁波创基机械有限公司 | A kind of improve injection machine folding mould and the device of action of injection performance |
| CN206445183U (en) * | 2017-01-09 | 2017-08-29 | 南安市捷佳液压机械有限公司 | A kind of hydraulic system being applied in hydraulic pressure automatic moulding machine |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |
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| RJ01 | Rejection of invention patent application after publication |