CN107364062A - A kind of EVA injectors hydraulic control system - Google Patents
A kind of EVA injectors hydraulic control system Download PDFInfo
- Publication number
- CN107364062A CN107364062A CN201710806882.4A CN201710806882A CN107364062A CN 107364062 A CN107364062 A CN 107364062A CN 201710806882 A CN201710806882 A CN 201710806882A CN 107364062 A CN107364062 A CN 107364062A
- Authority
- CN
- China
- Prior art keywords
- oil
- seat
- loop
- valve
- reversal valve
- 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.)
- Granted
Links
- 239000000463 material Substances 0.000 claims abstract description 37
- 238000002347 injection Methods 0.000 claims abstract description 23
- 239000007924 injection Substances 0.000 claims abstract description 23
- 239000002828 fuel tank Substances 0.000 claims abstract description 8
- 239000000446 fuel Substances 0.000 claims abstract description 4
- 239000007921 spray Substances 0.000 claims 1
- 230000007246 mechanism Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 4
- 239000006260 foam Substances 0.000 description 3
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007789 sealing Methods 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
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
Abstract
The present invention relates to a kind of EVA injectors hydraulic control system, the pan feeding injection loop realized the fuel tank of fuel feeding including being connected with motor and oil pump and be connected to parallel form on the fuel tank, open mold loop, resistance material loop and seat for the movement of material feeding rifle enter seat and retract road, open mold loop includes the choke valve coupled successively, open mold oil circuit and Pressure Increasing Oil-Line, Pressure Increasing Oil-Line includes two supercharging reversal valves, four pressurizing cylinders and two unloading valves, each supercharging reversal valve controls two pressurizing cylinders respectively, two oil outlet ends of each supercharging reversal valve are connected on two oil inlets of two pressurizing cylinders respectively, unloading valve is arranged on the pipeline coupled with pressurizing cylinder cylinder body one end oil inlet, hydraulic control one-way valve is mounted on the pipeline coupled with pressurizing cylinder cylinder body one end oil inlet and on the return line of unloading valve.The present invention is mainly used for reducing impact during open mold, improves the life-span of clasp mould mechanism.
Description
Technical field
The present invention relates to footwear former technical field, and in particular to a kind of EVA injectors hydraulic control system.
Background technology
At present, applied to footwear injection (mo(u)lding) machine due to its automaticity it is relatively low, production when it is less efficient,
Need to put into larger human resources, do not only exist larger production cost, be also unfavorable for enterprise managing.In the prior art, should
Equipment is upper in structure and application, larger not convenient property and defect be present, this is all urgently improved.
The applicant's earlier application day for announcing discloses for the Chinese patent CN205800009U on December 14th, 2016
A kind of EVA foam injection molding machines with vacuum (-tight) housing, including middle template, upper heating plate, lower heating plate；Also include on second
Mould, second time mould, material feeding rifle and blocking component, mould on described second, second time mould corresponding matching and be installed in heating plate with
Between lower heating plate；The blocking component is installed in middle template；Mould and die cavity, material feeding are formed during second time mould matched moulds on second
Runner and evacuation passageway, mould or second time mould surface on second are formed and are open described material feeding runner with evacuation passageway；
The material feeding rifle is by being opened in mould or the opening connection material feeding runner of second time mould surface on second and noting EVA material
Enter die cavity；The blocking component is used to block material feeding runner；The blocking component includes：Block oil cylinder and block head；Closure oil
Cylinder is provided with piston rod；Block head connects with piston rod, and is arranged in material feeding runner, and the external diameter of block head is more than or equal to material feeding stream
Road internal diameter；The closure cylinder action, its upper piston rod linkage block head closure or open material feeding runner, it is described closure oil cylinder with
Middle plastic sealing strip is provided with seal nipple.
Wherein, existing foam injection molding machine includes more than two mould stations, including two or more in each mould station
Working chamber, the technical scheme discloses the basic structure of single working chamber in EVA foam injection molding machines, the application be with
The improvement made based on this to its Automated condtrol.
The content of the invention
Therefore, in view of the above-mentioned problems, the present invention provides a kind of automated production, mitigation mould open/close impacts, raising uses
The EVA injector hydraulic control systems in life-span.
To reach above-mentioned purpose, the present invention is achieved by the following technical solutions：
A kind of EVA injectors hydraulic control system, including be connected with motor and oil pump realize fuel feeding fuel tank and with
Parallel form is connected to pan feeding injection loop on the fuel tank, open mold loop, resistance material loop and moved for material feeding rifle
Seat enter seat and retract road, the pan feeding injection loop includes pan feeding injection reversal valve, acted on injector pan feeding screw rod
Cylinder body one end oil inlet of oil motor and injection oil cylinder, oil motor and injection oil cylinder is connected in the pan feeding injection reversal valve
Two oil outlet ends；
The resistance material loop includes a resistance material reversal valve and resistance material oil cylinder, the both ends difference of the resistance material oil cylinder inner carrier
Couple in two oil outlet ends of the resistance material reversal valve；
The seat, which enters seat, to be retracted road and enters that seat moves back reversal valve, seat moves back oil cylinder and seat enters oil cylinder including seat, and the seat enters seat and moved back
Two oil outlet ends of reversal valve, which are connected in the seat and move back oil cylinder and seat, to be entered on the oil inlet of cylinder block one end；
The open mold loop includes choke valve, open mold oil circuit and the Pressure Increasing Oil-Line coupled successively, the open mold
Oil circuit includes an open mold reversal valve and folding mould oil cylinder, and the oil outlet end of open mold reversal valve is connected in folding mould oil cylinder respectively
Two oil inlet ends, hydraulic control one-way valve is installed on the oil circuit coupled with its piston rod output end；
The Pressure Increasing Oil-Line includes two supercharging reversal valves, four pressurizing cylinders and two unloading valves, each supercharging commutation
Valve controls two pressurizing cylinders respectively, and each two oil outlet ends for being pressurized reversal valve are connected in two oil-feeds of two pressurizing cylinders respectively
On mouth, unloading valve is arranged on the pipeline coupled with pressurizing cylinder cylinder body one end oil inlet, with one end oil-feed of pressurizing cylinder cylinder body
Hydraulic control one-way valve is mounted on the pipeline of mouth connection and on the return line of unloading valve.
Preferably, the open mold loop also includes a mode transfer oil circuit, the mode transfer oil circuit include a mode transfer reversal valve with
And it is connected in the mode transfer motor of the oil outlet end of mode transfer reversal valve two.
Preferably, a vacuum (-tight) housing loop is additionally provided with, the vacuum (-tight) housing loop includes a vacuum (-tight) housing reversal valve and two drivings
The vacuum (-tight) housing oil cylinder that vacuum (-tight) housing moves up and down, two oil outlet ends of the vacuum (-tight) housing reversal valve are connected in two vacuum (-tight) housing oil cylinders respectively
Two oil inlets on, hydraulic control one-way valve is installed on the pipeline that couples with vacuum (-tight) housing cylinder block one end oil inlet.
Preferably, the pan feeding injection loop, open mold loop, resistance material loop, seat enter that seat retracts road and vacuum (-tight) housing returns
Overflow valve is equipped with road.
By using preceding solution, the beneficial effects of the invention are as follows：The present invention is each using hydraulic control injector
Individual organisation operations, the purpose for reaching automated production by hydraulic system is realized, and the open mold loop of mould is improved,
The open mold speed of mould is improved, reduces the impact to mould open/close mold mechanism, ensures the normal operation reorganized and outfit, improves open mold
The service life of mechanism.
Brief description of the drawings
Fig. 1 is the draw bail schematic diagram of the embodiment of the present invention.
Embodiment
Embodiments of the present invention are described in detail below with reference to specific embodiment, and how skill is applied to the present invention whereby
Art means solve technical problem, and the implementation process for reaching technique effect can fully understand and implement according to this.
Embodiment
With reference to figure 1, the present embodiment is with six mould stations, exemplified by injector of each mould station with two working chambers, mould station
Number is not limited to six；A kind of EVA injectors hydraulic control system is present embodiments provided, including is connected with motor 11 and oil
Pump 12 realize the fuel tank 1 of fuel feeding and be connected in parallel form on the fuel tank 1 pan feeding injection loop 2, open mold loop
3rd, resistance material loop 4 and the seat for the movement of material feeding rifle enter seat and retract road 5, and the pan feeding injection loop 2 includes pan feeding injection
Reversal valve 21, the oil motor 22 acted on injector pan feeding screw rod and injection oil cylinder 23, oil motor 22 and injection oil cylinder
23 cylinder body one end oil inlet is connected in two oil outlet ends of pan feeding injection reversal valve 21, pan feeding when oil motor 22 operates,
Pan feeding is in place and pan feeding injection reversal valve 21 switches oil circuit after matched moulds, and driving is projected oil cylinder 23 and operated, shot material；
The resistance material loop 4 includes a resistance material reversal valve 41 and resistance material oil cylinder 42, the inner carrier of resistance material oil cylinder 42
Both ends couple respectively at two oil outlet ends of the resistance material reversal valve 41；
The seat, which enters seat, to be retracted road 5 and enters that seat moves back reversal valve 51, seat moves back oil cylinder 52 and seat enters oil cylinder 53, the seat including seat
Enter seat and move back two oil outlet ends of reversal valve 51 to be connected in the seat and move back oil cylinder 52 and seat to enter on the oil inlet of the cylinder body one end of oil cylinder 53, seat
Move back oil cylinder 52 and seat enters in the presence of oil cylinder 53 is present and moves back reversal valve 51 into seat, move material feeding rifle, plug into or away from mould
Sprue；
The open mold loop 3 includes choke valve 31, open mold oil circuit 32 and the Pressure Increasing Oil-Line 33 coupled successively, described
Open mold oil circuit 32 includes an open mold reversal valve 321 and folding mould oil cylinder 322, the oil outlet end point of open mold reversal valve 321
Two oil inlet ends of folding mould oil cylinder 322 are not connected in, and hydraulic control is installed on the oil circuit coupled with its piston rod one end oil inlet
Check valve 323, folding mould oil cylinder 322 pull a linkage for being used for open mold, engage mould upper and lower mould；
The Pressure Increasing Oil-Line 33 includes two supercharging reversal valves, 331, four pressurizing cylinders 332 and two unloading valves 333,
Each supercharging reversal valve 331 controls two pressurizing cylinders 332 respectively, and each two oil outlet ends for being pressurized reversal valve 331 are connected in two respectively
On two oil inlets of individual pressurizing cylinder 332, unloading valve 333 is arranged on what is coupled with the cylinder body one end oil inlet of pressurizing cylinder 332
On pipeline, it is respectively mounted on the pipeline that couples with the cylinder body one end oil inlet of pressurizing cylinder 332 and on the return line of unloading valve 333
There is hydraulic control one-way valve 334, because the stroke of pressurizing cylinder 332 is grown, mould open/close speed is slow, and the linkage of open mold is rushed
Hit very greatly, therefore set up unloading valve 333, while poor dress formula hydraulic control one-way valve 334 is set on the return line of unloading valve 333, prevent
Non-return oil causes it not open by pressure impact unloading valve 333；
In the present embodiment, the open mold loop 3 also includes a mode transfer oil circuit 34, and the mode transfer oil circuit 34 includes a mode transfer
Reversal valve 341 and the mode transfer motor 342 for being connected in described 341 liang of oil outlet ends of mode transfer reversal valve, can change according to die size
Injector structure is adjusted, it is adapted to the size of mould, the mode transfer motor 342 is gerotor motor.
The applicant carried the clamping of vulcanizing vacuum chamber on 09 27th, 2010 earlier applications one, and it discloses note
The basic mounting structure of vulcanizing vacuum chamber on machine clamping is penetrated, the present embodiment based on this, is provided for driving the structure
Hydraulic circuit, i.e. vacuum (-tight) housing loop 6, the vacuum (-tight) housing loop 6 includes a vacuum (-tight) housing reversal valve 61 and two driving vacuum (-tight) housings
The vacuum (-tight) housing oil cylinder 62 of up and down motion, two oil outlet ends of the vacuum (-tight) housing reversal valve 61 are connected in two vacuum (-tight) housing oil cylinders 62 respectively
Two oil inlets on, hydraulic control one-way valve 64 is installed on the pipeline that couples with the cylinder body one end oil inlet of vacuum (-tight) housing oil cylinder 62.
In the present embodiment, the pan feeding injection loop 2, open mold loop 3, resistance material loop 4, seat enter seat retract road 5 and
Overflow valve 13 is equipped with vacuum (-tight) housing loop 6.
In the present embodiment, each connection of circuit is all provided with cooler 14 on the return line on fuel tank 1, and it is fuel-displaced when oil enter
Oil filter 15 is then provided with before entering oil pump；And on the loop of many places set pressure gauge 16, can real-time monitored oil circuit pressure situation, protect
Demonstrate,prove equipment safety, stable operation.
Each fluid control component such as reversal valve, overflow valve used in the present embodiment be all as it is known to those skilled in the art that
Do not repeat herein.
The present invention uses each organisation operations of hydraulic control injector, realizes and reaches automated production by hydraulic system
Purpose, and the open mold loop of mould is improved, improves the open mold speed of mould, reduce to mould open/close mold mechanism
Impact, ensure the normal operation reorganized and outfit, improve the service life of clasp mould mechanism.
Although specifically showing and describing the present invention with reference to preferred embodiment, those skilled in the art should be bright
In vain, do not departing from the spirit and scope of the present invention that appended claims are limited, in the form and details can be right
The present invention makes a variety of changes, and is protection scope of the present invention.
Claims (4)
- A kind of 1. EVA injectors hydraulic control system, it is characterised in that：The oil of fuel feeding is realized including being connected with motor and oil pump Case and the pan feeding injection loop being connected to parallel form on the fuel tank, open mold loop, resistance material loop and for noting The seat of spray gun movement enters seat and retracts road, and the pan feeding injection loop includes pan feeding injection reversal valve, acts on injector pan feeding Cylinder body one end oil inlet of oil motor and injection oil cylinder on screw rod, oil motor and injection oil cylinder is connected in the pan feeding note Penetrate two oil outlet ends of reversal valve；The resistance material loop includes a resistance material reversal valve and resistance material oil cylinder, and the both ends of the resistance material oil cylinder inner carrier are respectively at institute State the two oil outlet ends connection of resistance material reversal valve；The seat enters seat and retracts that road including seat enters that seat moves back reversal valve, seat moves back oil cylinder and seat enters oil cylinder, the seat enter seat replace to Two oil outlet ends of valve, which are connected in the seat and move back oil cylinder and seat, to be entered on the oil inlet of cylinder block one end；The open mold loop includes choke valve, open mold oil circuit and the Pressure Increasing Oil-Line coupled successively, the open mold oil circuit Including an open mold reversal valve and folding mould oil cylinder, the oil outlet end of open mold reversal valve is connected in the two of folding mould oil cylinder respectively Oil inlet end, hydraulic control one-way valve is installed on the oil circuit coupled with its piston rod output end；The Pressure Increasing Oil-Line includes two supercharging reversal valves, four pressurizing cylinders and two unloading valves, each to be pressurized reversal valve point Not Kong Zhi two pressurizing cylinders, each two oil outlet ends for being pressurized reversal valve are connected in two oil inlets of two pressurizing cylinders respectively On, unloading valve is arranged on the pipeline coupled with pressurizing cylinder cylinder body one end oil inlet, with pressurizing cylinder cylinder body one end oil inlet Hydraulic control one-way valve is mounted on the pipeline of connection and on the return line of unloading valve.
- 2. EVA injectors hydraulic control system according to claim 1, it is characterised in that：Also wrap in the open mold loop A mode transfer oil circuit is included, the mode transfer oil circuit includes a mode transfer reversal valve and is connected in the tune of the oil outlet end of mode transfer reversal valve two Mould motor.
- 3. EVA injectors hydraulic control system according to claim 2, it is characterised in that：A vacuum (-tight) housing loop is additionally provided with, The vacuum (-tight) housing loop includes the vacuum (-tight) housing oil cylinder that a vacuum (-tight) housing reversal valve and two driving vacuum (-tight) housings move up and down, the vacuum Two oil outlet ends of cover reversal valve are connected on two oil inlets of two vacuum (-tight) housing oil cylinders respectively, with vacuum (-tight) housing cylinder block one end Hydraulic control one-way valve is installed on the pipeline of oil inlet connection.
- 4. the EVA injector hydraulic control systems according to claim 1 or 2 or 3, it is characterised in that：The pan feeding injection Loop, open mold loop, resistance material loop, seat, which enter seat, to be retracted and is equipped with overflow valve on road and vacuum (-tight) housing loop.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806882.4A CN107364062B (en) | 2017-09-08 | 2017-09-08 | EVA injection machine hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710806882.4A CN107364062B (en) | 2017-09-08 | 2017-09-08 | EVA injection machine hydraulic control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107364062A true CN107364062A (en) | 2017-11-21 |
| CN107364062B CN107364062B (en) | 2023-12-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710806882.4A Active CN107364062B (en) | 2017-09-08 | 2017-09-08 | EVA injection machine hydraulic control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107364062B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407104A (en) * | 2008-11-28 | 2009-04-15 | 常州市龙盛机械有限公司 | Mould unloading and ejecting hydraulic circuit of injection moulding machine |
| CN203176069U (en) * | 2013-03-26 | 2013-09-04 | 湖州机床厂有限公司 | Flexible unloading hydraulic system |
| CN205371147U (en) * | 2016-03-11 | 2016-07-06 | 合肥力恒液压系统有限公司 | From off -load formula hydro -cylinder |
| 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 |
| CN205969849U (en) * | 2016-07-06 | 2017-02-22 | 瑞安市兴中皮革机械有限公司 | Quick -witted hydraulic circuit of preformed servo injection of foaming |
| CN207432632U (en) * | 2017-09-08 | 2018-06-01 | 泉州市世创机械制造有限公司 | A kind of EVA injectors hydraulic control system |
-
2017
- 2017-09-08 CN CN201710806882.4A patent/CN107364062B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101407104A (en) * | 2008-11-28 | 2009-04-15 | 常州市龙盛机械有限公司 | Mould unloading and ejecting hydraulic circuit of injection moulding machine |
| CN203176069U (en) * | 2013-03-26 | 2013-09-04 | 湖州机床厂有限公司 | Flexible unloading hydraulic system |
| CN205371147U (en) * | 2016-03-11 | 2016-07-06 | 合肥力恒液压系统有限公司 | From off -load formula hydro -cylinder |
| 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 |
| CN205969849U (en) * | 2016-07-06 | 2017-02-22 | 瑞安市兴中皮革机械有限公司 | Quick -witted hydraulic circuit of preformed servo injection of foaming |
| CN207432632U (en) * | 2017-09-08 | 2018-06-01 | 泉州市世创机械制造有限公司 | A kind of EVA injectors hydraulic control system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107364062B (en) | 2023-12-29 |
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