CN207432632U - A kind of EVA injectors hydraulic control system - Google Patents
A kind of EVA injectors hydraulic control system Download PDFInfo
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- CN207432632U CN207432632U CN201721152077.6U CN201721152077U CN207432632U CN 207432632 U CN207432632 U CN 207432632U CN 201721152077 U CN201721152077 U CN 201721152077U CN 207432632 U CN207432632 U CN 207432632U
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- oil
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- Injection Moulding Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The utility model is related to a kind of EVA injectors hydraulic control systems, 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 circuit, resistance material circuit and for material feeding rifle movement seat retract road into seat, open mold circuit includes the throttle 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 in respectively on two oil inlets of two pressurizing cylinders, unloading valve is mounted 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 oil return line of unloading valve.The utility model is mainly used for reducing impact during open mold, improves the service life of clasp mould mechanism.
Description
Technical field
The utility model is related to footwear former technical fields, 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 degree of automation it is relatively low, production when it is less efficient,
It needs to put into larger human resources, does not only exist larger production cost, be also unfavorable for enterprise managing.In the prior art, should
Equipment is upper in structure and application, and there are larger inconveniences and defect, 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；It further includes on second
Mould, the second lower die, material feeding rifle and blocking component, second upper mold, the second lower die corresponding matching and be installed in heating plate with
Between lower heating plate；The blocking component is installed in middle template；Cavity, material feeding are formed when second upper mold is molded with the second lower die
Runner and evacuation passageway, the material feeding runner are formed and are open in the second upper mold or second time mould surface with evacuation passageway；
The material feeding rifle is by being opened in the opening connection material feeding runner of the second upper mold or second time mould surface and noting EVA material
Enter 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 equipped with piston rod；Block head connects with piston rod, and is arranged in material feeding runner, and the outer diameter of block head is more than or equal to material feeding stream
Road internal diameter；The closure cylinder action, upper piston rod linkage block head closure or open material feeding runner, it is described closure oil cylinder with
Middle plastic sealing strip is equipped 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, which 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 automation control.
Utility model content
Therefore, in view of the above-mentioned problems, the utility model provides a kind of automated production, mitigates mould open/close impact, improves
The EVA injector hydraulic control systems of service life.
In order to achieve the above objectives, the utility model is achieved through 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 circuit, resistance material circuit and is moved for material feeding rifle
Seat retract road into seat, the pan feeding injection loop includes pan feeding injection reversal valve, acts 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 circuit includes a resistance material reversal valve and resistance material oil cylinder, and the both ends of the resistance material oil cylinder inner carrier are distinguished
Couple in two oil outlet ends of the resistance material reversal valve；
The seat retracts road into seat includes seat into seat moves back reversal valve, seat moves back oil cylinder and seat is into oil cylinder, and the seat is moved back into seat
Two oil outlet ends of reversal valve are connected in the seat and move back oil cylinder and seat on the oil inlet of cylinder block one end；
The open mold circuit includes the throttle valve, open mold oil circuit and the Pressure Increasing Oil-Line that couple 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 terminal；
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 inlets of two pressurizing cylinders respectively
On mouth, unloading valve is mounted on the pipeline coupled with pressurizing cylinder cylinder body one end oil inlet, with one end oil inlet of pressurizing cylinder cylinder body
Hydraulic control one-way valve is mounted on the pipeline of mouth connection and on the oil return line of unloading valve.
Preferably, the open mold circuit further 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 two oil outlet end of mode transfer reversal valve.
Preferably, a vacuum (-tight) housing circuit is additionally provided with, the vacuum (-tight) housing circuit 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 circuit, resistance material circuit, seat retract road and vacuum (-tight) housing go back into seat
Road is equipped with overflow valve.
By using preceding solution, the beneficial effects of the utility model are：The utility model is noted using hydraulic control
Each organisation operations of machine are penetrated, realizes and automated production is achieved the purpose that by hydraulic system, and to the open mold circuit of mold
It is improved, improves the open mold speed of mold, reduce the impact to mould open/close mold mechanism, ensure the normal operation reorganized and outfit,
Improve the service life of clasp mould mechanism.
Description of the drawings
Fig. 1 is the coupling structure schematic diagram of the utility model embodiment.
Specific embodiment
The embodiment of the utility model is described in detail below with reference to specific embodiment, whereby to the utility model such as
What application technology means solves technical problem, and the realization 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 each mould station band is there are two the injector of working chamber, mould station
Number is not limited to six；A kind of EVA injectors hydraulic control system is present embodiments provided, including being connected with motor 11 and oil
The fuel tank 1 of 12 realization fuel feeding of pump and the pan feeding injection loop 2 being connected in parallel form on the fuel tank 1, open mold circuit
3rd, resistance material circuit 4 and the seat for the movement of material feeding rifle retract road 5 into seat, and the pan feeding injection loop 2 includes pan feeding injection
Reversal valve 21 acts on oil motor 22 on injector pan feeding screw rod and projects oil cylinder 23, oil motor 22 and projects 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 injection reversal valve 21 switches oil circuit to pan feeding in place and after molding, and driving is projected oil cylinder 23 and operated, progress shooting；
The resistance material circuit 4 includes a resistance material reversal valve 41 and resistance material oil cylinder 42,42 inner carrier of resistance material oil cylinder
Both ends couple respectively at two oil outlet ends of the resistance material reversal valve 41；
The seat retracts that reversal valve 51 is moved back in road 5 including seat into seat, seat moves back oil cylinder 52 and seat into oil cylinder 53, the seat into seat
Two oil outlet ends that reversal valve 51 is moved back into seat are connected in the seat and move back oil cylinder 52 and seat on the oil inlet of 53 cylinder body one end of oil cylinder, seat
It moves back under the action of oil cylinder 52 and seat be present into oil cylinder 53 and move back reversal valve 51 into seat, moves material feeding rifle, plug into or away from mold
Sprue；
The open mold circuit 3 includes the throttle valve 31, open mold oil circuit 32 and the Pressure Increasing Oil-Line 33 that couple 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 that oil inlet couples with its piston rod one end
Check valve 323, folding mould oil cylinder 322 pull a linkage for being used for open mold, engage mold 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 a pressurizing cylinder 332, unloading valve 333 is mounted on what is coupled with 332 cylinder body one end oil inlet of pressurizing cylinder
On pipeline, it is respectively mounted on the pipeline that couples with 332 cylinder body one end oil inlet of pressurizing cylinder and on the oil return line of unloading valve 333
There is hydraulic control one-way valve 334, since 332 stroke of pressurizing cylinder is long, mould open/close speed is slow, and the linkage of open mold is rushed
It hits very greatly, therefore adds unloading valve 333, while poor dress formula hydraulic control one-way valve 334 is set on the oil return line of unloading valve 333, prevent
Non-return oil causes it that can not open by pressure impact unloading valve 333；
In the present embodiment, the open mold circuit 3 further 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 made to be adapted to the size of mold, 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 notes
The basic mounting structure of vulcanizing vacuum chamber on machine clamping is penetrated, the present embodiment based on this, sets to drive the structure
Hydraulic circuit, i.e. vacuum (-tight) housing circuit 6, the vacuum (-tight) housing circuit 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 62 cylinder body one end oil inlet of vacuum (-tight) housing oil cylinder.
In the present embodiment, the pan feeding injection loop 2, open mold circuit 3, resistance material circuit 4, seat into seat retract road 5 and
Overflow valve 13 is equipped on vacuum (-tight) housing circuit 6.
In the present embodiment, each connection of circuit on the oil return line on fuel tank 1 all be equipped with cooler 14, and it is fuel-displaced when oil into
Oil filter 15 is then equipped with before entering oil pump；And on the circuit 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
It does not repeat herein.
The utility model uses each organisation operations of hydraulic control injector, realizes and reaches automation by hydraulic system
The purpose of production, and the open mold circuit of mold is improved, the open mold speed of mold is improved, is reduced to mould open/close mould
The impact of mechanism ensures the normal operation reorganized and outfit, and improves the service life of clasp mould mechanism.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (4)
1. a kind of 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 circuit, resistance material circuit and for noting
The seat of spray gun movement retracts road into seat, 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 circuit 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 retracts road into seat includes seat into seat moves back reversal valve, seat moves back oil cylinder and seat is into oil cylinder, the seat into seat replace to
Two oil outlet ends of valve are connected in the seat and move back oil cylinder and seat on the oil inlet of cylinder block one end；
The open mold circuit includes the throttle valve, open mold oil circuit and the Pressure Increasing Oil-Line that couple 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 is equipped with hydraulic control one-way valve on the oil circuit coupled with its piston rod output terminal；
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 mounted 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 oil return line of unloading valve.
2. EVA injectors hydraulic control system according to claim 1, it is characterised in that：It also wraps in the open mold circuit
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 two oil outlet end of mode transfer reversal valve
Mould motor.
3. EVA injectors hydraulic control system according to claim 2, it is characterised in that：A vacuum (-tight) housing circuit is additionally provided with,
The vacuum (-tight) housing circuit 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 in respectively on two oil inlets of two vacuum (-tight) housing oil cylinders, 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
Circuit, open mold circuit, resistance material circuit, seat are retracted into seat is equipped with overflow valve on road and vacuum (-tight) housing circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152077.6U CN207432632U (en) | 2017-09-08 | 2017-09-08 | A kind of EVA injectors hydraulic control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721152077.6U CN207432632U (en) | 2017-09-08 | 2017-09-08 | A kind of EVA injectors hydraulic control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207432632U true CN207432632U (en) | 2018-06-01 |
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ID=62301768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721152077.6U Active CN207432632U (en) | 2017-09-08 | 2017-09-08 | A kind of EVA injectors hydraulic control system |
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| Country | Link |
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| CN (1) | CN207432632U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364062A (en) * | 2017-09-08 | 2017-11-21 | 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 CN201721152077.6U patent/CN207432632U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107364062A (en) * | 2017-09-08 | 2017-11-21 | 泉州市世创机械制造有限公司 | A kind of EVA injectors hydraulic control system |
| CN107364062B (en) * | 2017-09-08 | 2023-12-29 | 泉州市世创机械制造有限公司 | EVA injection machine hydraulic control system |
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