CN109779988A - Novel hydraulic system - Google Patents
Novel hydraulic system Download PDFInfo
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- CN109779988A CN109779988A CN201910073083.XA CN201910073083A CN109779988A CN 109779988 A CN109779988 A CN 109779988A CN 201910073083 A CN201910073083 A CN 201910073083A CN 109779988 A CN109779988 A CN 109779988A
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- bus
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- solenoid directional
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- 230000008676 import Effects 0.000 claims abstract description 65
- 238000000465 moulding Methods 0.000 claims abstract description 16
- 238000009415 formwork Methods 0.000 claims abstract description 13
- 210000004262 dental pulp cavity Anatomy 0.000 claims description 4
- 230000009471 action Effects 0.000 claims description 2
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007788 liquid Substances 0.000 claims 1
- 229920003023 plastic Polymers 0.000 abstract description 6
- 239000004033 plastic Substances 0.000 abstract description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000000071 blow moulding Methods 0.000 description 3
- 238000001816 cooling Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007664 blowing Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Fluid-Pressure Circuits (AREA)
Abstract
The invention discloses a kind of novel hydraulic systems, including providing the first oil pump of pressure to the first bus and the second bus, providing the second oil pump and Oil pump electrical machinery of pressure to the first bus and third bus, first import of molding is connected with the first hydraulic control one-way valve, the second import is connected with the first electro-hydraulic reversing valve, first hydraulic control one-way valve is connected with stacked unidirectional throttle valve, another outlet of stacked unidirectional throttle valve is connected by other pipe with the second import of molding；Two outlets of the second solenoid directional control valve of import of stacked unidirectional throttle valve are connected, and the import of the second solenoid directional control valve is connected with the first bus and the second bus；The import of first electro-hydraulic reversing valve is connected with the first bus and third bus.2 pressure are provided to system simultaneously from duplex pump or single pump plus accumulator, and 2 pressure are not interfere with each other, a pressure is acted for shifting formwork, another is pressurized as mode locking, and just mode locking is pressurized immediately after molding, and plastics is avoided to cool down in a mold.
Description
Technical field
The present invention relates to plastics blow moulding field more particularly to a kind of novel hydraulic system, it is mainly used in continuous squeeze
Out in formula blow molding machine.
Background technique
Existing hydraulic system after molding generally on shifting formwork frame, is then pressurized mode locking air blowing, by molding again under shifting formwork frame
Longer to pressurization mode locking break time, temperature decline will result in product notch at mold notch and thickens plastics in a mold,
Product is caused to beat overlap difficulty automatically, the phenomenon that flash can be generated, or even overlap can not be destroyed.
Summary of the invention
To overcome disadvantages mentioned above, the purpose of the present invention is to provide a kind of novel hydraulic systems, after being molded on shifting formwork frame,
Just carry out pressurization mode locking immediately, avoid the cooling of plastics in a mold, this make blow-molded article beat overlap be easy, product is in mould
Has incision site smooth and beautiful appearance.
In order to reach the goals above, the technical solution adopted by the present invention is that: a kind of novel hydraulic system, including linkage use
The first oil pump, the second oil pump and Oil pump electrical machinery, first oil pump by the first proportioning valve give the first bus and the second bus
Pressure is provided, second oil pump provides pressure to the first bus and third bus by the second proportioning valve；
First import of molding is connected by pipeline with the outlet of the first hydraulic control one-way valve, the second import passes through pipeline and the
The one outlet of one electro-hydraulic reversing valve is connected, another outlet of the first electro-hydraulic reversing valve passes through pipeline and the first hydraulic control one-way valve
Import be connected, the import of first hydraulic control one-way valve also passes through one outlet phase of the pipeline with stacked unidirectional throttle valve
Even, another outlet of stacked unidirectional throttle valve is connected by other pipe with the second import of molding；The superposing type unidirectionally saves
The import of stream valve is connected by pipeline with two outlets of the second solenoid directional control valve, and the import of second solenoid directional control valve passes through pipe
Road is connected with the first bus and the second bus respectively；The import of first electro-hydraulic reversing valve by pipeline respectively with the first bus and
Third bus is connected.
Pressure in second bus and third bus is mutually indepedent, using the second solenoid directional control valve, the first electro-hydraulic reversing valve
Molding is supplied, quickly molding is supplied.
Furthermore, it is understood that also having the first solenoid directional control valve of control blow needle cylinder opening and closing；First solenoid directional control valve
Two imports are connected with the first bus and the second bus respectively by pipeline, and two outlets pass through pipeline and blow needle cylinder respectively
First import, the second import are connected, and are provided with tubular type one-way throttle valve on above-mentioned two root canal road.
Furthermore, it is understood that also having the second electro-hydraulic reversing valve of control shifting formwork movement；The two of second electro-hydraulic reversing valve
A import is connected by pipeline with the first bus and the second bus, and two outlets pass through two imports of pipeline and shifting formwork respectively
It is connected.
Furthermore, it is understood that also having the third solenoid directional control valve of control submodule cylinder action；The third solenoid directional control valve
Two imports be connected by pipeline with the first bus and third bus, outlet passes through the two of pipeline and submodule oil cylinder respectively
A import is connected, and is provided with stacking type hydraulic control check valve on a root canal road wherein.
Furthermore, it is understood that the 4th solenoid directional control valve also with the movement of control platform elevator；4th electromagnetic switch
Two imports of valve are connected by pipeline with the first bus and the second bus, and two outlets of the 4th solenoid directional control valve pass through
Pipeline is connected with two imports of balcony lift.
Furthermore, it is understood that also having the 5th solenoid directional control valve of control new line cylinder movement；5th solenoid directional control valve
Two imports be connected by pipeline with the first bus and the second bus, the one outlet of the 5th solenoid directional control valve passes through
Pipeline is connected with the first import of new line cylinder, and there are two tubular type one-way throttles placed side by side for setting on the pipeline
Valve.
Preferably, second bus, be provided with pressure gauge in third bus.Facilitate the pressure of Field Force's observation thereon
Force value.
Compared with prior art, this hydraulic system provides 2 pressures to system simultaneously from duplex pump or single pump plus accumulator
Power, and 2 pressure are not interfere with each other, a pressure are acted for shifting formwork, another is as mode locking pressurization, just mode locking immediately after molding
Pressurization, avoids plastics from cooling down in a mold.
Detailed description of the invention
Fig. 1 is the electrical structure diagram of the embodiment of the present invention.
Fig. 2 is the electric diagram of blow needle cylinder in the embodiment of the present invention, molding.
Fig. 3 is the electric diagram of shifting formwork, submodule oil cylinder in the embodiment of the present invention.
Fig. 4 is the electric diagram of balcony lift, new line cylinder in the embodiment of the present invention.
Specific embodiment
The preferred embodiments of the present invention will be described in detail with reference to the accompanying drawing, so that advantages and features of the invention energy
It is easier to be readily appreciated by one skilled in the art, so as to make a clearer definition of the protection scope of the present invention.
Embodiment
Referring to shown in attached FIG. 1 to FIG. 4, one of the present embodiment novel hydraulic system, for controlling blow molding machine
Left blow needle cylinder 22, left open mold 21, move to left mould 20, balcony lift 19, new line cylinder 18, Zuo Zimo oil cylinder 17, right blow needle
Cylinder 16, right open mold 15 move to right mould 14 and right submodule oil cylinder 11.
The novel hydraulic system includes providing the first oil pump 1, the second oil pump 2 and the Oil pump electrical machinery 3 of power, the first oil pump
1 maximum pressure is 14MPa, and the maximum pressure of the second oil pump 2 is 6MPa.First oil pump 1, the linkage of the second oil pump 2 use, and by
Oil pump electrical machinery 3 is additionally provided power.
The novel hydraulic system includes three-bus, respectively the first bus 6, the second bus 7, third bus 8.
The output end of first oil pump 1 is connected by pipeline with the import of the first proportioning valve 4 (V1), and is arranged on the pipeline
There is the first check valve, avoids return-air.The outlet of first proportioning valve 4 (V1) is connected by pipeline with the first bus 6；It is unidirectional first
Pipeline between valve and the first proportioning valve 4 (V1) is connected with the second bus 7.
The output end of second oil pump 2 is first connected with one end of second one-way valve, and the other end of second one-way valve passes through pipeline
It is connected respectively with the import of third bus 8, the second proportioning valve 5 (V2), the outlet of the second proportioning valve 5 (V2) passes through pipeline and first
Bus 6 is connected.It is provided with pressure gauge in second bus 7, third bus 8, facilitates the pressure value observed in the bus.
Left blow needle cylinder 22, right blow needle cylinder 16 in the present embodiment is identical as the gas supply connection type of bus, therefore unified progress
Description, and be blow needle cylinder by left blow needle cylinder 22, right 16 Uniform Name of blow needle cylinder.Left open mold 21, right open mold 15 and gas supply are total
The connection type of line is identical, is molding by left open mold 21,15 Uniform Name of right open mold so being uniformly described.It moves to left
Mould 20, to move to right mould 14 identical as the gas supply connection type of bus, therefore is uniformly described, therefore will move to left mould 20, and move to right mould 14 and unite
One is named as shifting formwork.Left submodule oil cylinder 17, right submodule oil cylinder 11 are identical as the gas supply connection type of bus, so uniformly being retouched
It states, is submodule oil cylinder by left submodule oil cylinder 17, right 11 Uniform Name of submodule oil cylinder.
First import of blow needle cylinder is connected by pipeline with the first tubular type one-way throttle valve 27 (V4), the second import passes through pipe
Road is connected by road with the second tubular type one-way throttle valve 28 (V4), and the first tubular type one-way throttle valve 27 (V4), the second tubular type are unidirectional
The other end of throttle valve 28 (V4) is connected with the outlet of the first solenoid directional control valve 26 (V3), the first solenoid directional control valve 26 (V3)
Two imports pass through pipeline respectively and are connected with the first bus 6, the second bus 7.By controlling the first solenoid directional control valve 26 (V3)
To realize the switching motion of blow needle cylinder.
Two imports of the second solenoid directional control valve 25 (V3) pass through pipeline respectively and are connected with the first bus 6, the second bus 7
Logical, two imports of the first electro-hydraulic reversing valve 13 (V8) pass through pipeline respectively and are connected with the first bus 6, third bus 8.Second electricity
Two outlets of magnetic reversal valve 25 (V3) are connected by pipeline with the import of stacked unidirectional throttle valve 24 (V6), and superposing type is unidirectional
The one outlet of throttle valve 24 (V6) is connected with the import of the first hydraulic control one-way valve 23 (V7).First import of molding passes through pipeline
It is connected with the outlet of the first hydraulic control one-way valve 23 (V7), one that the second import passes through pipeline and the first electro-hydraulic reversing valve 13 (V8)
Outlet is connected, and other pipe is provided on the pipeline, another outlet of the other pipe and stacked unidirectional throttle valve 24 (V6)
It is connected.
Two imports of shifting formwork pass through pipeline respectively and are connected with two outlets of the second electro-hydraulic reversing valve 12 (V8), and second is electro-hydraulic
Two imports of reversal valve 12 (V8) are connected by pipeline with the first bus 6, the second bus 7.
First import of submodule oil cylinder is connected by pipeline with an outlet of third solenoid directional control valve 9 (V5), third electromagnetism
Another outlet of reversal valve 9 (V5) is connected by pipeline with the import of stacking type hydraulic control check valve 10 (V10), stacking type hydraulic control list
Second import of outlet and submodule oil cylinder to valve 10 (V10) is connect by pipeline.Two imports of third solenoid directional control valve 9 (V5)
It is connected by pipeline with the first bus 6, the second bus 7.
Two imports of balcony lift 19 pass through pipeline respectively and are connected with two outlets of the 4th solenoid directional control valve 29 (V3),
Two imports of the 4th solenoid directional control valve 29 (V3) are connected with the first bus 6, the second bus 7 respectively by pipeline.
First import of new line cylinder 18 is connected by pipeline with the one outlet of the 5th solenoid directional control valve 30 (V9), and
There are two tubular type one-way throttle valves (V4) placed side by side for setting on the pipeline.Two imports of the 5th solenoid directional control valve 30 (V9) are logical
Piping is connected with the first bus 6, the second bus 7 respectively.
Label V1, V2: proportioning valve in the present embodiment；V3, V5, V9: solenoid directional control valve；V4: tubular type one-way throttle valve；
V6: stacked unidirectional throttle valve；V7: hydraulic control one-way valve；V8: electro-hydraulic reversing valve；V10: stacking type hydraulic control check valve.
In the present embodiment, by duplex pump (the first oil pump, the second oil pump are used in combination) or single pump plus accumulator (the second oil pump
It is applied in combination with Oil pump electrical machinery) 2 pressure are provided to system simultaneously, 2 pressure are not interfere with each other by three-bus, a pressure
Power is acted for shifting formwork (14,20), another is pressurized as mode locking (15,21), and just mode locking is pressurized immediately after molding, avoids plastics
It cools down in a mold.
The technical concepts and features of embodiment of above only to illustrate the invention, its object is to allow be familiar with technique
People understands the contents of the present invention and is implemented, and it is not intended to limit the scope of the present invention, all spiritual according to the present invention
The equivalent change or modification that essence is done, should be covered by the scope of protection of the present invention.
Claims (7)
1. a kind of novel hydraulic system, it is characterised in that: including the first oil pump (1), the second oil pump (2) and the oil pump used that link
Motor (3), first oil pump (1) provide pressure, institute to the first bus (6) and the second bus (7) by the first proportioning valve (4)
It states the second oil pump (2) and provides pressure to the first bus (6) and third bus (8) by the second proportioning valve (5)；
First import of molding is connected by pipeline with the outlet of the first hydraulic control one-way valve (23), the second import passes through pipeline and the
The one outlet of one electro-hydraulic reversing valve (13) is connected, another outlet of the first electro-hydraulic reversing valve (13) passes through pipeline and the first liquid
The import for controlling check valve (23) is connected, and the import of first hydraulic control one-way valve (23) also passes through pipeline and superposing type one-way throttle
The one outlet of valve (24) is connected, the second import that another outlet of stacked unidirectional throttle valve (24) passes through other pipe and molding
It is connected；The import of the stacked unidirectional throttle valve (24) is connected by pipeline with two outlets of the second solenoid directional control valve (25),
The import of second solenoid directional control valve (25) is connected with the first bus (6) and the second bus (7) respectively by pipeline；First
The import of electro-hydraulic reversing valve (13) is connected with the first bus (6) and third bus (8) respectively by pipeline.
2. novel hydraulic system according to claim 1, it is characterised in that: also have the first electricity of control blow needle cylinder opening and closing
Magnetic reversal valve (26)；Two imports of first solenoid directional control valve (26) by pipeline respectively with the first bus (6) and second
Bus (7) is connected, and two outlets are connected by pipeline with the first import of blow needle cylinder, the second import respectively, and above-mentioned two
Tubular type one-way throttle valve is provided on root canal road.
3. novel hydraulic system according to claim 1, it is characterised in that: second also with control shifting formwork movement is electro-hydraulic
Reversal valve (12)；Two imports of second electro-hydraulic reversing valve (12) pass through pipeline and the first bus (6) and the second bus (7)
It is connected, two outlets are connected by pipeline with two imports of shifting formwork respectively.
4. novel hydraulic system according to claim 1, it is characterised in that: also have the third of control submodule cylinder action
Solenoid directional control valve (9)；Two imports of the third solenoid directional control valve (9) pass through pipeline and the first bus (6) and third bus
(8) it is connected, outlet is connected by pipeline with two imports of submodule oil cylinder respectively, and is arranged on a root canal road wherein
There are stacking type hydraulic control check valve (10).
5. novel hydraulic system according to claim 1, it is characterised in that: also have control platform elevator (19) movement
The 4th solenoid directional control valve (29)；Two imports of the 4th solenoid directional control valve (29) by pipeline and the first bus (6) and
Second bus (7) is connected, and two outlets of the 4th solenoid directional control valve (29) pass through pipeline and the two of balcony lift (19)
A import is connected.
6. novel hydraulic system according to claim 1, it is characterised in that: also have control new line cylinder (18) movement
5th solenoid directional control valve (30)；Two imports of the 5th solenoid directional control valve (30) pass through pipeline and the first bus (6) and the
Two lines bus (7) is connected, and the one outlet of the 5th solenoid directional control valve (30) passes through pipeline and the first of new line cylinder (18)
Import is connected, and there are two tubular type one-way throttle valves placed side by side for setting on the pipeline.
7. novel hydraulic system according to claim 1, it is characterised in that: second bus (7), third bus (8)
On be provided with pressure gauge.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073083.XA CN109779988A (en) | 2019-01-25 | 2019-01-25 | Novel hydraulic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910073083.XA CN109779988A (en) | 2019-01-25 | 2019-01-25 | Novel hydraulic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109779988A true CN109779988A (en) | 2019-05-21 |
Family
ID=66502578
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910073083.XA Pending CN109779988A (en) | 2019-01-25 | 2019-01-25 | Novel hydraulic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109779988A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1343321A (en) * | 1970-04-25 | 1974-01-10 | Rheinmetall Gmbh | Mould opening and closing |
| CN1147446A (en) * | 1995-07-18 | 1997-04-16 | 株式会社青木固研究所 | Air working method and system for various drive units of stretch-blow molding machine |
| CN101380807A (en) * | 2008-09-11 | 2009-03-11 | 昌盛达机械(浙江)有限公司 | Multi-linkage pump energy-saving dynamic system of hollow molding machine |
| CN101564893A (en) * | 2009-05-25 | 2009-10-28 | 江苏佳成机械有限公司 | Hydraulic drive unit for high-speed continuous hollow blow molding machine |
| CN102582065A (en) * | 2012-01-05 | 2012-07-18 | 四川省资阳市雅之江塑业有限公司 | Hydraulic control system of blow molding machine |
| CN104476741A (en) * | 2014-12-11 | 2015-04-01 | 佛山市宝捷精密机械有限公司 | Oil hydraulic circuit for synchronously controlling mould locking oil cylinder and mould transferring oil cylinder of injection molding machine |
-
2019
- 2019-01-25 CN CN201910073083.XA patent/CN109779988A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1343321A (en) * | 1970-04-25 | 1974-01-10 | Rheinmetall Gmbh | Mould opening and closing |
| CN1147446A (en) * | 1995-07-18 | 1997-04-16 | 株式会社青木固研究所 | Air working method and system for various drive units of stretch-blow molding machine |
| CN101380807A (en) * | 2008-09-11 | 2009-03-11 | 昌盛达机械(浙江)有限公司 | Multi-linkage pump energy-saving dynamic system of hollow molding machine |
| CN101564893A (en) * | 2009-05-25 | 2009-10-28 | 江苏佳成机械有限公司 | Hydraulic drive unit for high-speed continuous hollow blow molding machine |
| CN102582065A (en) * | 2012-01-05 | 2012-07-18 | 四川省资阳市雅之江塑业有限公司 | Hydraulic control system of blow molding machine |
| CN104476741A (en) * | 2014-12-11 | 2015-04-01 | 佛山市宝捷精密机械有限公司 | Oil hydraulic circuit for synchronously controlling mould locking oil cylinder and mould transferring oil cylinder of injection molding machine |
Non-Patent Citations (1)
| Title |
|---|
| 胡世超: "液压与气动技术", 31 August 2011, 上海科学技术出版社, pages: 31 - 32 * |
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