CN105422518B - Die casting machine fast shot loop hydraulic system - Google Patents
Die casting machine fast shot loop hydraulic system Download PDFInfo
- Publication number
- CN105422518B CN105422518B CN201510943918.4A CN201510943918A CN105422518B CN 105422518 B CN105422518 B CN 105422518B CN 201510943918 A CN201510943918 A CN 201510943918A CN 105422518 B CN105422518 B CN 105422518B
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- China
- Prior art keywords
- valve
- fast shot
- mouths
- die casting
- casting machine
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- 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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- 238000004512 die casting Methods 0.000 title claims abstract description 31
- 238000002347 injection Methods 0.000 claims abstract description 22
- 239000007924 injection Substances 0.000 claims abstract description 22
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 12
- 229910052757 nitrogen Inorganic materials 0.000 claims description 6
- 238000004146 energy storage Methods 0.000 description 8
- 230000005611 electricity Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
- F15B1/02—Installations or systems with accumulators
- F15B1/04—Accumulators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
Abstract
A kind of die casting machine fast shot loop hydraulic system, including injection oil cylinder, and it is separate, and the first order fast shot loop and second level fast shot loop being connected in parallel with each other, and the two ends that first order fast shot loop and second level fast shot loop connect connect injection oil cylinder back cavity respectively.The first order fast shot loop of the present invention uses independent accumulator with second level fast shot loop, mutual when working is not disturbed, the pressure loss reduction of first order fast shot, save the energy, first order fast shot does not consume the pressure oil of second level fast shot accumulator, ensure that the pressure of second level fast shot accumulator does not reduce, and then advantageously ensures that the speed requirement of second level fast shot.It has it is simple and reasonable, the characteristics of save the energy, advantageously ensure that second level fast shot speed requirement.
Description
Technical field
The invention belongs to Die-casting Machines apparatus field, more particularly to a kind of die casting machine fast shot loop hydraulic system.
Background technology
The injection performance of die casting machine is one of major influence factors of quality of die casting quality, with to quality of die casting
It is required that more and more higher, and then the requirement also more and more higher, and when quality of die casting is paid close attention to of the injection performance to die casting machine,
The requirement energy-saving to die casting machine also more and more higher.Existing die casting machine fast shot loop is that single loop, the i.e. first order are pressed soon
It is emitted back towards road and shares an accumulator with second level fast shot loop, first order fast shot loop is interior for promoting molten metal to be filled to
Cast gate, relatively low to rate request, the resistance to be overcome is small, only needs less energy storage pressure, and second level injection speed is used
It is very high to rate request in molten metal is filled into die cavity through ingate, to overcome larger resistance, need higher energy storage pressure,
So accumulator needs higher energy storage pressure, because pressure needed for first order fast shot is smaller, and the energy storage pressure of accumulator compared with
Height, causes the first order fast shot pressure loss excessive, causes the waste of energy, the energy lost makes fluid generate heat, and because of storage
Energy device has partial pressure oil to be used for first order fast shot, and making the pressure oil pressure of accumulator reduces, and is unfavorable for ensureing that the second level is fast
The speed requirement of injection.Therefore, it is necessary to be further improved.
The content of the invention
The purpose of the present invention aim to provide it is a kind of it is simple and reasonable, save the energy, advantageously ensure that second level fast shot
The die casting machine fast shot loop hydraulic system of speed requirement, to overcome weak point of the prior art.
A kind of die casting machine fast shot loop hydraulic system designed by this purpose, including injection oil cylinder, it is characterised in that：Also
Including separate first order fast shot loop and second level fast shot loop, and first order fast shot loop and the second level are fast
The two ends in injection loop connect injection oil cylinder back cavity respectively.
The first order fast shot loop includes two-way plug-in valve a；Two-way plug-in valve a A mouths and die casting machine working connection and
Electromagnetic direction valve a P mouths connection, two-way plug-in valve a control chamber is connected with electromagnetic direction valve a A mouths, two-way plug-in valve a B
B mouth, check valve a and injection oil cylinder back cavity of the mouth successively with check valve b, flow valve a are connected.
Accumulator a is provided between the B mouths of the check valve b and flow valve a, accumulator a storage nitrogen side is provided with
Pressure sensor a.
The flow valve a is proportional flow control valve or the manual regulation flow valve with cutoff function.
The second level fast shot loop includes two-way plug-in valve b；Two-way plug-in valve b A mouths and die casting machine working connection and
Electromagnetic direction valve b P mouths connection, two-way plug-in valve b control chamber is connected with electromagnetic direction valve b A mouths, two-way plug-in valve b B
B mouth, check valve c and injection oil cylinder back cavity of the mouth successively with the 4th check valve, flow valve b are connected.
Accumulator b is provided between the B mouths of 4th check valve and flow valve b, accumulator b storage nitrogen side is set
There is pressure sensor b.
The flow valve b is proportional flow control valve or the manual regulation flow valve with cutoff function.
The first order fast shot loop is connected in parallel with each other with second level fast shot loop.
The first order fast shot loop of the present invention uses independent accumulator, mutual when working with second level fast shot loop
Do not disturb, the pressure loss reduction of first order fast shot saves the energy, first order fast shot does not consume second level fast shot energy storage
The pressure oil of device, it is ensured that the pressure of second level fast shot accumulator is not reduced, and then advantageously ensures that second level fast shot
Speed requirement.It has it is simple and reasonable, the characteristics of save the energy, advantageously ensure that second level fast shot speed requirement.
Brief description of the drawings
Fig. 1 is the oil circuit figure of one embodiment of the invention.
Fig. 2 is the workflow diagram of one embodiment of the invention.
Embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
Referring to Fig. 1, this die casting machine fast shot loop hydraulic system, including injection oil cylinder and separate, and each other simultaneously
Join the first order fast shot loop 15 and second level fast shot loop 16 of connection；First order fast shot loop 15 and the second level are pressed soon
It is emitted back towards the two ends that road 16 connects and connects injection oil cylinder back cavity 17 respectively.First order fast shot loop 15 and second level fast shot loop
16 are connected by parallel way, it is ensured that mutual when working is not disturbed.First order fast shot loop 15 does not consume accumulator b 10 pressure
Power oil, it is ensured that accumulator b 10 pressure is not reduced, saves the energy, and and then advantageously ensure that second level fast shot loop 16
Speed requirement.
Specifically, first order fast shot loop 15 includes two-way plug-in valve a 7；Two-way plug-in valve a 7 A mouths respectively with
Die casting machine working connection and electromagnetic direction valve a 6 P mouths connection, two-way plug-in valve a 7 control chamber and electromagnetic direction valve a 6 A
Mouthful connection, two-way plug-in valve a 7 B mouths successively with after check valve b 5, flow valve a 1 B mouths, check valve a 4 and injection oil cylinder
Chamber 17 is connected.
Accumulator a 3 is provided between check valve b 5 and flow valve a 1 B mouths, the storage nitrogen of accumulator a 3 side is set
It is equipped with pressure sensor a 2.
Flow valve a 1 is proportional flow control valve or the manual regulation flow valve with cutoff function.
Second level fast shot loop 16 also includes two-way plug-in valve b 14；Two-way plug-in valve b 14 A mouths and die casting owner
Oil circuit and electromagnetic direction valve b 13 P mouths connection, two-way plug-in valve b 14 control chamber connect with electromagnetic direction valve b 13 A mouths
Connect, two-way plug-in valve b 14 B mouths successively with after the 4th check valve 12, proportional flow control valve b 8, check valve c 11 and injection oil cylinder
Chamber 17 is connected.
Accumulator b 10, the storage nitrogen one of accumulator b 10 are provided between 4th check valve 12 and flow valve b 8 B mouths
Side is provided with pressure sensor b 9.
Flow valve b 8 is proportional flow control valve or is the manual regulation flow valve with cutoff function.
Operation principle：
After the completion of die-casting machine die-locking, start energy storage：Electromagnetic direction valve a 6 and electromagnetic direction valve b 13 are obtained respectively during energy storage
Electricity；System pressure oil passes sequentially through two-way plug-in valve a 7, check valve b 5 and enters accumulator a 3, Ling Yilu all the way into two-way
Accumulator b10 is entered by two-way plug-in valve b 14, the 4th check valve 12；Pressure sensor a 2 and pressure sensor b 9 distinguish
Accumulator a 3 and accumulator b 10 pressure are detected, and sends detection data to die casting machine control system, as accumulator a 3
When the setting pressure of control system is respectively reached with accumulator b 10 pressure, electromagnetic direction valve a 6, electromagnetic direction valve b 13 lose
Electricity, energy storage terminates.
Then shot piston performs slow shot action, when the first order that shot piston reaches the setting of die casting machine control system is fast
During injection starting position, flow valve a 1 is opened, and accumulator a 3 pressure oil passes sequentially through flow valve a 1 and check valve a 4, most
Enter injection oil cylinder back cavity 17 afterwards, and promote shot piston to travel forward, realize first order fast shot.
When shot piston reaches the second level fast shot position of die casting machine control system setting, flow valve b 8 is opened, storage
Energy device b 10 pressure oil passes sequentially through flow valve a 8 and check valve c 11, finally enters injection oil cylinder back cavity 17, and promote pressure
Piston advances forward is penetrated, second level fast shot is realized.
The above-mentioned preferred scheme for the present invention, has been shown and described general principle, principal character and the present invention of the present invention
Advantage.Those skilled in the art should be recognized that the present invention is not limited to the above embodiments, above-described embodiment and specification
Described in merely illustrate the principles of the invention, without departing from the spirit and scope of the present invention, the present invention also has each
Changes and improvements are planted, these changes and improvements all fall within the protetion scope of the claimed invention.The claimed scope of the invention by
Appended claims and its equivalent are defined.
Claims (6)
1. a kind of die casting machine fast shot loop hydraulic system, including injection oil cylinder, in addition to separate first order fast shot
Loop (15) and second level fast shot loop (16), and first order fast shot loop (15) and second level fast shot loop (16)
Two ends connect injection oil cylinder back cavity (17) respectively；
It is characterized in that：The first order fast shot loop (15) includes two-way plug-in valve a (7)；Two-way plug-in valve a (7) A mouths
It is connected with die casting machine working connection and electromagnetic direction valve a (6) P mouths, two-way plug-in valve a (7) control chamber and electromagnetic direction valve a
(6) A mouths connection, two-way plug-in valve a (7) B mouths successively with check valve b (5), flow valve a (1) B mouths, check valve a (4) and
Injection oil cylinder back cavity (17) is connected；
The second level fast shot loop (16) includes two-way plug-in valve b (14)；Two-way plug-in valve b (14) A mouths and die casting machine
Working connection and electromagnetic direction valve b (13) P mouths connection, two-way plug-in valve b (14) control chamber and electromagnetic direction valve b (13) A
Mouthful connection, two-way plug-in valve b (14) B mouths successively with the 4th check valve (12), flow valve b (8) B mouths, check valve c (11) and
Injection oil cylinder back cavity (17) is connected.
2. die casting machine fast shot loop hydraulic system according to claim 1, it is characterised in that：The check valve b (5) and stream
Accumulator a (3) is provided between amount valve a (1) B mouths, accumulator a (3) storage nitrogen side is provided with pressure sensor a (2).
3. die casting machine fast shot loop hydraulic system according to claim 2, it is characterised in that：The flow valve a (1) be than
Example flow valve or the manual regulation flow valve with cutoff function.
4. die casting machine fast shot loop hydraulic system according to claim 1, it is characterised in that：4th check valve (12)
Accumulator b (10) is provided between flow valve b (8) B mouths, accumulator b (10) storage nitrogen side is provided with pressure sensing
Device b (9).
5. die casting machine fast shot loop hydraulic system according to claim 4, it is characterised in that：The flow valve b (8) be than
Example flow valve or the manual regulation flow valve with cutoff function.
6. according to any one of the claim 1-5 die casting machine fast shot loop hydraulic systems, it is characterised in that：The first order
Fast shot loop (15) is connected in parallel with each other with second level fast shot loop (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510943918.4A CN105422518B (en) | 2015-12-16 | 2015-12-16 | Die casting machine fast shot loop hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510943918.4A CN105422518B (en) | 2015-12-16 | 2015-12-16 | Die casting machine fast shot loop hydraulic system |
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| Publication Number | Publication Date |
|---|---|
| CN105422518A CN105422518A (en) | 2016-03-23 |
| CN105422518B true CN105422518B (en) | 2017-08-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510943918.4A Active CN105422518B (en) | 2015-12-16 | 2015-12-16 | Die casting machine fast shot loop hydraulic system |
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| Country | Link |
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| CN (1) | CN105422518B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105736492B (en) * | 2016-04-14 | 2018-01-26 | 刘湖南 | A kind of hydraulic jack and its oil piping system |
| CN112032114A (en) * | 2020-09-07 | 2020-12-04 | 宁波力劲科技有限公司 | Closed-loop real-time control system and control method for pressurization pressure of die casting machine |
| CN112524101B (en) * | 2020-11-20 | 2022-02-08 | 深圳领威科技有限公司 | Auxiliary energy storage device |
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|---|---|---|---|---|
| JP2003112248A (en) * | 2001-10-04 | 2003-04-15 | Ube Techno Enji Kk | Injection method for die-casting machine |
| CN101080292A (en) * | 2004-10-15 | 2007-11-28 | 博世力士乐股份有限公司 | Hydraulically actuated casting unit |
| JP2009107010A (en) * | 2007-11-01 | 2009-05-21 | Ube Machinery Corporation Ltd | Injection apparatus in die casting machine and control method thereof |
| CN101664797A (en) * | 2008-09-02 | 2010-03-10 | 广州震高机械有限公司 | Material injection device of die casting machine |
| CN202028755U (en) * | 2011-01-29 | 2011-11-09 | 马保庆 | Supercharging cylinder oil-way plate of a die casting machine |
| CN204284051U (en) * | 2014-10-10 | 2015-04-22 | 无锡市沐勒机械科技有限公司 | A kind of pilot valve for die casting machine |
| CN104948512A (en) * | 2015-07-07 | 2015-09-30 | 佛山联升压铸科技有限公司 | Efficient pressure buildup device for die casting machine |
| CN104948511A (en) * | 2015-06-24 | 2015-09-30 | 佛山联升压铸科技有限公司 | Die-casting machine supercharging loop hydraulic system |
| CN205243978U (en) * | 2015-12-16 | 2016-05-18 | 佛山联升压铸科技有限公司 | Return circuit hydraulic system is penetrated to fast pressure of die casting machine |
-
2015
- 2015-12-16 CN CN201510943918.4A patent/CN105422518B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003112248A (en) * | 2001-10-04 | 2003-04-15 | Ube Techno Enji Kk | Injection method for die-casting machine |
| CN101080292A (en) * | 2004-10-15 | 2007-11-28 | 博世力士乐股份有限公司 | Hydraulically actuated casting unit |
| JP2009107010A (en) * | 2007-11-01 | 2009-05-21 | Ube Machinery Corporation Ltd | Injection apparatus in die casting machine and control method thereof |
| CN101664797A (en) * | 2008-09-02 | 2010-03-10 | 广州震高机械有限公司 | Material injection device of die casting machine |
| CN202028755U (en) * | 2011-01-29 | 2011-11-09 | 马保庆 | Supercharging cylinder oil-way plate of a die casting machine |
| CN204284051U (en) * | 2014-10-10 | 2015-04-22 | 无锡市沐勒机械科技有限公司 | A kind of pilot valve for die casting machine |
| CN104948511A (en) * | 2015-06-24 | 2015-09-30 | 佛山联升压铸科技有限公司 | Die-casting machine supercharging loop hydraulic system |
| CN104948512A (en) * | 2015-07-07 | 2015-09-30 | 佛山联升压铸科技有限公司 | Efficient pressure buildup device for die casting machine |
| CN205243978U (en) * | 2015-12-16 | 2016-05-18 | 佛山联升压铸科技有限公司 | Return circuit hydraulic system is penetrated to fast pressure of die casting machine |
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| Publication number | Publication date |
|---|---|
| CN105422518A (en) | 2016-03-23 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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 invention: Hydraulic system with fast injection loops of die casting machine Effective date of registration: 20180713 Granted publication date: 20170804 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: FOSHAN LIANSHENG DIE CASTING TECHNOLOGY Co.,Ltd. Registration number: 2018440000201 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210723 Granted publication date: 20170804 Pledgee: Shunde Guangdong rural commercial bank Limited by Share Ltd. Daliang branch Pledgor: FOSHAN LIANSHENG DIE CASTING TECHNOLOGY Co.,Ltd. Registration number: 2018440000201 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210816 Address after: No.6, Wusha section, Shunfan Road, Wusha community, Daliang Street office, Shunde District, Foshan City, Guangdong Province Patentee after: LANSON PRECISION MACHINERY Co.,Ltd. Address before: 528300 No. 1, No. 6, Wusha section of Shunfan highway, Wusha community neighborhood committee, Daliang sub district office, Shunde District, Foshan City, Guangdong Province Patentee before: FOSHAN LIANSHENG DIE CASTING TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.6, Wusha section, Shunfan Road, Wusha community, Daliang Street office, Shunde District, Foshan City, Guangdong Province Patentee after: Guangdong Liansheng Precision Intelligent Equipment Technology Co.,Ltd. Address before: No.6, Wusha section, Shunfan Road, Wusha community, Daliang Street office, Shunde District, Foshan City, Guangdong Province Patentee before: LANSON PRECISION MACHINERY CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |