CN205522359U - Injection molding machine synchronization system - Google Patents
Injection molding machine synchronization system Download PDFInfo
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- CN205522359U CN205522359U CN201620072464.8U CN201620072464U CN205522359U CN 205522359 U CN205522359 U CN 205522359U CN 201620072464 U CN201620072464 U CN 201620072464U CN 205522359 U CN205522359 U CN 205522359U
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Abstract
The utility model provides an injection molding machine synchronization system belongs to the hydraulic transmission technology field. It has been solved current injection molding machine structure and has made the problem that work efficiency is low. This injection molding machine synchronization system includes: the oil tank for storied oil liquid, the working cell has the work oil circuit that is used for carrying fluid, the main unit has mutual UNICOM and is used for carrying first oil circuit, the second oil circuit of fluid, and first oil circuit links to each other with the work oil circuit, and installs the first inserted valve that is used for controlling first oil circuit and work oil circuit break -make on first oil circuit, the auxiliary unit has the auxiliary oil cylinders way and the auxiliary oil cylinders way and work oil circuit UNICOM, work oil circuit, first oil circuit and auxiliary oil cylinders way three UNICOM that are used for carrying fluid. The utility model has the advantages of reasonable in design, can be in step and work efficiency high.
Description
Technical field
This utility model belongs to hydraulic transmission technology field, relates to a kind of injection machine and synchronizes system
System.
Background technology
Injection machine is generally by injecting systems, Clamping System, Hydraulic Power Transmission System, electric-controlled
System processed, lubricating system, heating and the composition such as cooling system, safety monitoring system.Close
The effect of modular system, in addition to ensureing mould open/close mould and ejecting product, closes at mould
After, it is also possible to the clamp force that supply mould is enough, to resist molten plastic entrance die cavity product
Raw cavity pressure, it is to avoid mould cracks and causes the underproof phenomenon of product to occur.
For ensureing the quality of injecting products, locking force of injection machine must be greater than cavity pressure,
The clamp force scope of same injection machine or same Hydraulic Power Transmission System is certain, it is impossible to full
Foot multiple operating pressure demand, according to high clamp force injection machine then production cost relatively
High.
Additionally, the folding mould of injection machine is a cyclic process, each cycle includes closing
The actions such as the reset of mould, Mode-locking oil cylinder, band-type brake, high-voltage lock mould, injection, pressure release, die sinking,
Existing injection machine mostly uses a Hydraulic Power Transmission System to carry out related work, is carrying out
In this cyclic process of folding mould, it is necessary to the most sequentially carry out each action, need to spend
The more time.
In sum, for solving the deficiency in existing injection machine structure, need design one
Reasonable in design, can synchronize and injection machine that work efficiency is high synchronizes system.
Summary of the invention
The purpose of this utility model is to there are the problems referred to above for existing technology, it is proposed that
A kind of reasonable in design, can synchronize and injection machine that work efficiency is high synchronizes system.
The purpose of this utility model can be realized by following technical proposal: a kind of injection machine
Synchronization system, including:
Fuel tank, is used for storing fluid；
Working cell, has the working oil path for delivering oil；
Master unit, have mutual UNICOM and for delivering oil the first oil circuit, second oil
Road, described first oil circuit is connected with working oil path, and be provided with on the first oil circuit for
Control the first inserted valve of the first oil circuit and working oil path break-make；
Auxiliary unit, has for the auxiliary oil way of delivering oil and auxiliary oil way and work
Oil circuit UNICOM, described working oil path, the first oil circuit and auxiliary oil way three UNICOM.
In above-mentioned a kind of injection machine synchronization system, the first inserted valve connects and has the
One solenoid directional control valve, described first solenoid directional control valve passes through the first shuttle valve and the first inserted valve
UNICOM.
In above-mentioned a kind of injection machine synchronization system, described auxiliary unit includes and fuel tank
The oil pump of UNICOM and for driving the motor of oil pump, described auxiliary oil way and oil pump UNICOM
And check valve is installed on auxiliary oil way.
In above-mentioned a kind of injection machine synchronization system, auxiliary oil way is also equipped with
The proportional pressure valve of fuel tank UNICOM, described check valve is between oil pump and proportional pressure valve.
In above-mentioned a kind of injection machine synchronization system, the first oil circuit is provided with sensing
Device, is provided with Pressure gauge on auxiliary oil way.
In above-mentioned a kind of injection machine synchronization system, described working cell includes some locks
Mould oil cylinder and threeth solenoid directional control valve the most some with Mode-locking oil cylinder, Mei Gesuo
Mould oil cylinder is all by auxiliary cylinder and the 3rd corresponding solenoid directional control valve UNICOM, described locked mode
Oil cylinder and working oil path UNICOM, and each 3rd solenoid directional control valve respectively with working oil path,
Fuel tank UNICOM.
In above-mentioned a kind of injection machine synchronization system, each Mode-locking oil cylinder is respectively provided with a lock
Corresponding Mode-locking oil cylinder is divided into oil suction chamber and oil-free by mould piston rod and locking piston bar
Chamber, each auxiliary cylinder is respectively provided with an auxiliary piston rod and auxiliary piston rod by corresponding auxiliary
Helping oil cylinder to be divided into rod chamber and rodless cavity, described auxiliary piston rod part stretches into correspondence
It is connected without oil pocket and with locking piston bar, described oil suction chamber and working oil path UNICOM, described
3rd solenoid directional control valve respectively with corresponding rod chamber, rodless cavity UNICOM.
In above-mentioned a kind of injection machine synchronization system, described working cell also includes and work
Make the second inserted valve of oil circuit UNICOM and the second inserted valve and each oil suction chamber UNICOM, second
Connecting on inserted valve and have the second solenoid directional control valve, described second solenoid directional control valve passes through second
Shuttle valve and the second inserted valve UNICOM.
In above-mentioned a kind of injection machine synchronization system, each oil suction chamber passes through the 3rd inserted valve
With fuel tank UNICOM, and connect on the 3rd inserted valve and have the first Solenoid ball valve, described first
Solenoid ball valve, the 3rd inserted valve and fuel tank three UNICOM.
In above-mentioned a kind of injection machine synchronization system, arrange between oil suction chamber and fuel tank
Have the second Solenoid ball valve, and the second Solenoid ball valve respectively with fuel tank, each oil suction chamber UNICOM.
A kind of injection machine synchronizes the oil circuit control method of system, specifically comprises the following steps that
Closing the first solenoid directional control valve makes the first inserted valve be in opening, closes the
Two solenoid directional control valves make the second inserted valve be in opening, open the 3rd electromagnetic switch
Valve side oil circuit, fluid successively through the first oil circuit, the first inserted valve, working oil path,
Two inserted valves enter oil suction chamber and promote locking piston bar to move inward, locking piston bar band
Dynamic auxiliary piston rod moves together, and the fluid in rodless cavity flows back to through the 3rd solenoid directional control valve
Fuel tank；
Opening the first solenoid directional control valve makes the first inserted valve be closed, and second inserts
Dress valve keeps constant, and the 3rd solenoid directional control valve returns to middle position, opens motor, oil pump, and one
Part fluid enters the second oil circuit, and another part fluid is successively through oil pump, check valve, auxiliary
Oil circuit, working oil path, the second inserted valve is helped to enter oil suction chamber and maintain locking piston bar
Invariant position；
First inserted valve, motor and oil pump keep constant, open the second solenoid directional control valve
Second inserted valve is closed, and the second Solenoid ball valve is closed, and opens
Opening the 3rd inserted valve, open the 3rd solenoid directional control valve opposite side oil circuit, fluid is successively through oil
Pump, check valve, auxiliary oil way, working oil path, the 3rd solenoid directional control valve enter rodless cavity
And promoting auxiliary piston rod to be displaced outwardly, auxiliary piston rod drives locking piston bar to move together
Dynamic, the fluid in rod chamber flows back to the oil in fuel tank and oil suction chamber through the 3rd solenoid directional control valve
Liquid flows back to fuel tank through the 3rd inserted valve；
First inserted valve, motor and oil pump keep constant, close the second solenoid directional control valve
Make the second inserted valve be in opening, open the 3rd solenoid directional control valve side oil circuit,
A part of fluid enters the second oil circuit, another part fluid successively through oil pump, check valve,
Auxiliary oil way, working oil path, the second inserted valve enter oil suction chamber and promote locking piston bar
Moving inward, the fluid in rodless cavity flows back to fuel tank through the 3rd solenoid directional control valve.
The step that each Mode-locking oil cylinder is carried out pressure release is also included between step 2 and step 3
Rapid:
First inserted valve is closed, and motor, oil pump are in opening, opens
Second Solenoid ball valve, the oil pressure in each oil suction chamber is through the second Solenoid ball valve pressure release.
Compared with prior art, this utility model is reasonable in design, uses master unit and auxiliary
The setting of unit co-controlling injection machine work, it is achieved high-voltage lock mould is Tong Bu with injection and closes
Mould bit synchronous purpose multiple with locking piston bar, decreases the regular hour, improves note
The work efficiency of molding machine；Additionally, high-voltage lock mould can also be improved by the setting of auxiliary unit
Time clamp force, it is to avoid mould cracks and causes the underproof phenomenon of product to occur.
Accompanying drawing explanation
Fig. 1 is the structural representation of this utility model one preferred embodiment.
In figure, 10, fuel tank；21, working oil path；22, Mode-locking oil cylinder；221, oil-feed
Chamber；222, without oil pocket；223, locking piston bar；23, auxiliary cylinder；231, there is bar
Chamber；232, rodless cavity；233, auxiliary piston rod；31, motor；32, oil pump；33、
Auxiliary oil way；34, check valve；35, proportional pressure valve；40, master unit；41,
One oil circuit；42, the second oil circuit；51, the first inserted valve；52, the second inserted valve；53、
3rd inserted valve；61, the first solenoid directional control valve；62, the second solenoid directional control valve；63、
3rd solenoid directional control valve；71, the first shuttle valve；72, the second shuttle valve；81, the first electromagnetism
Ball valve；82, the second Solenoid ball valve；91, sensor；92, Pressure gauge.
Detailed description of the invention
The following is specific embodiment of the utility model and combine accompanying drawing, to this utility model
Technical scheme be further described, but this utility model is not limited to these embodiments.
Include as it is shown in figure 1, this injection machine synchronizes system:
Fuel tank 10, is used for storing fluid；
Working cell, has the working oil path 21 for delivering oil；
Master unit 40, have mutual UNICOM and for delivering oil the first oil circuit 41,
Two oil circuits 42, the first oil circuit 41 is connected with working oil path 21, and at the first oil circuit 41
On the first inserted valve for controlling the first oil circuit 41 and working oil path 21 break-make is installed
51；
Auxiliary unit, has the auxiliary oil way 33 for delivering oil and auxiliary oil way 33
With working oil path 21 UNICOM, working oil path the 21, first oil circuit 41 and auxiliary oil way 33
Three UNICOM.
The folding mould of injection machine is a cyclic process, and each cycle includes matched moulds, lock
The actions such as mould oil cylinder 22 resets, band-type brake, high-voltage lock mould, injection, pressure release, die sinking, existing
Some injection machines mostly use a Hydraulic Power Transmission System to carry out related work, are opening
In this cyclic process of matched moulds, it is necessary to the most sequentially carry out each action, need to spend relatively
Many time.
Additionally, be the quality ensureing injecting products, locking force of injection machine must be greater than mould
Cavity pressure, the clamp force scope of same injection machine or same Hydraulic Power Transmission System is certain,
Cannot meet the demand of multiple operating pressure, the injection machine according to high clamp force then produces
Relatively costly.
To this end, this utility model devises a kind of injection machine synchronizes system, use master unit
40 with auxiliary unit with the use of, multiple for injection machine work are synchronized, it is right to save
The working time answered, hence it is evident that improve work efficiency.Additionally, using auxiliary unit as high pressure
Locked mode subsequent control system, it is possible to allow mould phenomenon (because injection force is more than when avoiding locked mode
Clamp force and cause mould to crack) occur, it is ensured that locked mode is firm, and product quality is high.
Wherein, master unit 40 arranges composition the first oil circuit 42 liang of road binders of the 41, second oil circuit
Road carries out fuel feeding, it is achieved the purpose worked asynchronously with auxiliary unit.And the first inserted valve 51
Setting be then the break-make in order to control the first oil circuit 41, and then control synchronous working enter
OK.
In the present embodiment, the concrete structure of master unit 40 does not elaborates, and can realize
On the premise of synchronous working, master unit 40 can use different oil circuit patterns.
Preferably, the first inserted valve 51 connects and has the first solenoid directional control valve 61, the
One solenoid directional control valve 61 is by the first shuttle valve 71 and the first inserted valve 51 UNICOM.This enforcement
In example, the first solenoid directional control valve 61 and fuel tank 10 UNICOM, by the first solenoid directional control valve
61 open and closes controlling the first inserted valve 51, the setting of the first shuttle valve 71 is then easy for
A part of fluid controls the open and close of the first inserted valve 51 as controlling oil.
Insert when control oil enters first through first solenoid directional control valve the 61, first shuttle valve 71
During dress valve 51 (the first solenoid directional control valve 61 is in opening), the first inserted valve
51 are closed；Otherwise, when the first solenoid directional control valve 61 cuts out, controlling oil cannot enter
Entering the first inserted valve 51, the control oil being initially positioned in the first inserted valve 51 is through the first electricity
Magnetic reversal valve 61 directly flows back to fuel tank 10, and now the first inserted valve 51 is opened.
It is further preferred that auxiliary unit include the oil pump 32 with fuel tank 10 UNICOM and
For driving the motor 31 of oil pump 32, auxiliary oil way 33 and oil pump 32 UNICOM and auxiliary
Help and check valve 34 is installed on oil circuit 33.
Motor 31 drives oil pump 32, and in fuel tank 10, pump is oily and enters via check valve 34
Auxiliary oil way 33 and then entrance working oil path 21.The setting of check valve 34 is then in order to anti-
Only fluid flows backward to oil pump 32, it is to avoid oil pump 32 is caused damage.
Preferably, auxiliary oil way 33 is also equipped with and the ratio pressure of fuel tank 10 UNICOM
Power valve 35, check valve 34 is between oil pump 32 and proportional pressure valve 35.
Proportional pressure valve 35 is arranged in oil circuit the effect with constant voltage, herein ratio pressure
Valve 35 is for ensureing the safety of auxiliary oil way 33, it is ensured that the oil pressure of injection machine related work
Stability, be further ensured that injection machine working stability, be molded effective.
Additionally, when being once molded after work completes, when oil pump 32 is in Light Condition, oil
Liquid can be with passing ratio pressure valve 35 oil return to fuel tank 10, it is ensured that oil pressure is stable.
Preferably, working cell include multiple Mode-locking oil cylinder 22 and with Mode-locking oil cylinder 22
The most multiple 3rd solenoid directional control valves 63, each Mode-locking oil cylinder 22 is all by auxiliary
Help oil cylinder 23 and the 3rd corresponding solenoid directional control valve 63 UNICOM, Mode-locking oil cylinder 22 and work
Oil circuit 21 UNICOM, and each 3rd solenoid directional control valve 63 respectively with working oil path 21, oil
Case 10 UNICOM.
In the present embodiment, working cell preferably employs auxiliary cylinder 23 and drives Mode-locking oil cylinder
The patterns of 22 work, but, for synchronization system, the no matter oil circuit of working cell
How changing, no matter working cell is common die sinking work or special crack die worker
Make, synchronize system the most applicable.
It is further preferred that each Mode-locking oil cylinder 22 is respectively provided with a locking piston bar 223
And corresponding Mode-locking oil cylinder 22 is divided into oil suction chamber 221 and oil-free by locking piston bar 223
Chamber 222, each auxiliary cylinder 23 is respectively provided with auxiliary piston rod 233 and an auxiliary piston rod
Corresponding auxiliary cylinder 23 is divided into rod chamber 231 and rodless cavity 232 by 233, auxiliary
Piston rod 233 part stretch into correspondence without oil pocket 222 connected with locking piston bar 223,
Oil suction chamber 221 and working oil path 21 UNICOM, the 3rd solenoid directional control valve 63 is respectively with corresponding
Rod chamber 231, rodless cavity 232 UNICOM.
Specifically, the lock of the auxiliary piston rod 233 of auxiliary cylinder 23 and Mode-locking oil cylinder 22
Mould piston rod 223 is connected, and fluid by passing through auxiliary when driving auxiliary cylinder 23 to work
Piston rod 233 directly drives Mode-locking oil cylinder 22 action together, drives Mode-locking oil cylinder at fluid
Also auxiliary cylinder 23 action can be directly driven by locking piston bar 223 during 22 action.
Wherein oil suction chamber 221, rod chamber 231 and rodless cavity 232 are in the course of the work
All there is fluid to flow, and do not have fluid to flow in the course of the work without oil pocket 222, only
Air is being compressed and is discharging.
3rd solenoid directional control valve 63 respectively with corresponding rod chamber 231, rodless cavity 232
Relieving constipation passes in and out rod chamber 231, rodless cavity 232 in fluid through the 3rd solenoid directional control valve 63,
The rod chamber 231 of the most each auxiliary cylinder 23, rodless cavity 232 are respectively connected with overflow valve,
And overflow valve and fuel tank 10 UNICOM, being disposed to of overflow valve prevents the 3rd electromagnetic switch
When valve 63 is damaged, fluid cannot flow back to the phenomenon generation of fuel tank 10, it can be ensured that auxiliary
Help the oil pressure relief of oil cylinder 23.
Preferably, working cell also includes and the second inserted valve of working oil path 21 UNICOM
52 and second inserted valve 52 and each oil suction chamber 221 UNICOM, the second inserted valve 52 connects
Be connected to the second solenoid directional control valve 62, the second solenoid directional control valve 62 by the second shuttle valve 72 with
Second inserted valve 52 UNICOM.
Herein, the second solenoid directional control valve 62 also with fuel tank 10 UNICOM, similarly, this reality
Execute the open and close being controlled the second inserted valve 52 in example by the second solenoid directional control valve 62, and
The setting of the second shuttle valve 72 is then easy for a part of fluid and inserts as controlling oil control second
The open and close of dress valve 52.
Insert when control oil enters second through second solenoid directional control valve the 62, second shuttle valve 72
During dress valve 52 (the second solenoid directional control valve 62 is in opening), the second inserted valve
52 are closed；When the second solenoid directional control valve 62 cuts out, control oil and cannot be introduced into second
Inserted valve 52, the control being initially positioned in the second inserted valve 52 oil is through the second electromagnetic switch
Valve 62 is returned directly to fuel tank 10, and now the second inserted valve 52 is opened.
First above-mentioned solenoid directional control valve the 61, second solenoid directional control valve 62 is two four
Electric change valve, the 3rd solenoid directional control valve 63 is then three-position four-way electromagnetic directional valve.
It is further preferred that each oil suction chamber 221 is by the 3rd inserted valve 53 and fuel tank 10
UNICOM, and connection has the first Solenoid ball valve 81, the first electromagnetism on the 3rd inserted valve 53
Ball valve the 81, the 3rd inserted valve 53 and fuel tank 10 three UNICOM.
The setting of the first Solenoid ball valve 81 is also for controlling the 3rd inserted valve 53
Open and close, when carrying out die sinking, the fluid in each oil suction chamber 221 is through the 3rd inserted valve 53
Flow back to fuel tank 10, while oil return, be also carried out certain pressure leak process.
Preferably, between oil suction chamber 221 and fuel tank 10, the second Solenoid ball valve it is provided with
82, and the second Solenoid ball valve 82 respectively with fuel tank 10, each oil suction chamber 221 UNICOM.
Owing to the discharge capacity of auxiliary cylinder 23 is smaller, when oil suction chamber 221 is in high pressure conditions
Time auxiliary cylinder 23 be difficult to promote locking piston bar 223 action, be therefore provided with second electricity
Magnetic ball valve 82, carries out pressure release to oil suction chamber 221 such that it is able to successfully carry out die sinking work
Make.
It is further preferred that be provided with sensor 91 on the first oil circuit 41, in auxiliary
Pressure gauge 92 is installed on oil circuit 33.
Being provided for of sensor 91 detects the oil pressure on the first oil circuit 41, carries out high pressure
During locked mode, what sensor 91 was detected is i.e. the internal pressure of master unit 40, works as biography
When the pressure that sensor 91 is detected reaches the pressure peak of master unit 40 self, open the
One solenoid directional control valve 61, cuts out the first inserted valve 51, and now master unit 40 gives injection work
Make to provide oil pressure.
The setting of Pressure gauge 92 then facilitates operator to observe on auxiliary oil way 33
Oil pressure.In order to reduce production cost, the motor 31 in auxiliary unit uses common electric machine
31, arranging of passing ratio pressure valve 35 carries out pressure regulation to auxiliary oil way 33, thus rises
To constant voltage effect.
This utility model additionally provides a kind of injection machine and synchronizes the oil circuit control method of system,
Specifically comprise the following steps that
The first step: close the first solenoid directional control valve 61 and first inserted valve 51 is in out
Open state, close the second solenoid directional control valve 62 and make the second inserted valve 52 be in unlatching shape
State, open the 3rd solenoid directional control valve 63 side oil circuit, fluid successively through the first oil circuit 41,
First inserted valve 51, working oil path the 21, second inserted valve 52 enter oil suction chamber 221 also
Promoting locking piston bar 223 to move inward, locking piston bar 223 drives auxiliary piston rod
233 move together, and the fluid in rodless cavity 232 flows back to oil through the 3rd solenoid directional control valve 63
Case 10；
Now injection machine is in the high-voltage lock mould first stage: fluid through the first oil circuit 41,
One inserted valve 51, working oil path 21 and the second inserted valve 52 enter oil suction chamber 221 and push away
Dynamic locking piston bar 223 moves inward and drives auxiliary piston rod 233 to move together, will
Fluid in rodless cavity 232 is let out through the 3rd solenoid directional control valve 63 and is back to fuel tank 10.
Second step: open the first solenoid directional control valve 61 and make the first inserted valve 51 be in pass
Closed state, the second inserted valve 52 keeps constant, and the 3rd solenoid directional control valve 63 returns to middle position,
Opening motor 31, oil pump 32, a part of fluid enters the second oil circuit 42, another part
Fluid successively through oil pump 32, check valve 34, auxiliary oil way 33, working oil path 21,
Two inserted valves 52 enter oil suction chamber 221 and maintain the invariant position of locking piston bar 223；
The pressure value detected when sensor 91 reaches the pressure spike within master unit 40
During value, open the first solenoid directional control valve 61 and make the first inserted valve 51 close, now, main
Unit 40 provides oil pressure to injection work through the second oil circuit 42.
Meanwhile, injection machine is in high-voltage lock mould second stage: fluid is through oil pump 32, unidirectional
Valve 34, auxiliary oil way 33, working oil path 21 and the second inserted valve 52 enter oil suction chamber
221 invariant positions maintaining locking piston bar 223, thus it is Tong Bu with injection to realize locked mode.
When External infusion pressure increases, Mode-locking oil cylinder 22 carries under the effect of auxiliary unit
Self oil pressure pressure high, to balance external and internal pressure, it is to avoid occurs allowing mould phenomenon, it is ensured that
The quality of product.It is noted that the pressure that auxiliary unit is provided that is more than master unit
40 pressure provided.
Also include each Mode-locking oil cylinder 22 is carried out pressure release between step 2 and step 3
Step: the first inserted valve 51 is closed, motor 31, oil pump 32 are in unlatching
State, opens the second Solenoid ball valve 82, and the oil pressure in each oil suction chamber 221 is through the second electromagnetism
Ball valve 82 pressure release.
On completion of an injection, the pressure in Mode-locking oil cylinder 22 is the highest, either carries out general
Open up mould or crack die worker makees, be required for first Mode-locking oil cylinder 22 being carried out pressure release.
First inserted valve 51 is closed, and motor 31, oil pump 32 are in unlatching shape
State, the oil pressure in each oil suction chamber 221 through the second Solenoid ball valve 82 pressure release to fuel tank 10；
3rd step: the first inserted valve 51, motor 31 and oil pump 32 keep constant, open
Opening the second solenoid directional control valve 62 makes the second inserted valve 52 be closed, the second electricity
Magnetic ball valve 82 is closed, and opens the 3rd inserted valve 53, opens the 3rd electromagnetism and changes
To valve 63 opposite side oil circuit, fluid is successively through oil pump 32, check valve 34, auxiliary oil way
33, working oil path the 21, the 3rd solenoid directional control valve 63 enters rodless cavity 232 and promotes auxiliary
Helping piston rod 233 to be displaced outwardly, auxiliary piston rod 233 drives locking piston bar 223 1
Rising mobile, the fluid in rod chamber 231 flows back to fuel tank 10 through the 3rd solenoid directional control valve 63
And the fluid in oil suction chamber 221 flows back to fuel tank 10 through the 3rd inserted valve 53；
After pressure release, injection machine proceeds by die sinking work, and fluid is through oil pump 32, unidirectional
Valve 34, auxiliary oil way 33, working oil path 21 and the 3rd solenoid directional control valve 63 reversely enter
Enter rodless cavity 232 promote locking piston bar 223 to be displaced outwardly and drive locking piston bar
223 move together, are let out through the 3rd inserted valve 53 by the fluid in oil suction chamber 221 and are back to oil
Fluid in case 10, and rod chamber 231 flows back to fuel tank 10 through the 3rd solenoid directional control valve 63.
Now, master unit 40 is in Light Condition, does not carry out related work.
4th step: the first inserted valve 51, motor 31 and oil pump 32 keep constant, closes
Closing the second solenoid directional control valve 62 makes the second inserted valve 52 be in opening, opens the
Three solenoid directional control valve 63 side oil circuits, a part of fluid enters the second oil circuit 42, another
Part fluid successively through oil pump 32, check valve 34, auxiliary oil way 33, working oil path 21,
Second inserted valve 52 enters oil suction chamber 221 and promotes locking piston bar 223 to move inward,
Fluid in rodless cavity 232 flows back to fuel tank 10 through the 3rd solenoid directional control valve 63.
Now, injection machine is in matched moulds state, and master unit 40 second oil circuit 42 gives matched moulds
Work provides oil pressure.Meanwhile, fluid through oil pump 32, check valve 34, auxiliary oil way 33,
Working oil path 21 and the second inserted valve 52 enter oil suction chamber 221 and promote locking piston bar
223 move inward and are let out back through the 3rd solenoid directional control valve 63 by the fluid in rodless cavity 232
To fuel tank 10, locking piston bar 223 work that resets completes, thus realizes matched moulds and reset
The synchronization of work.
This utility model oil piping system is reasonable in design, uses master unit 40 and auxiliary unit
Cooperating realizes the synchronous working of injection machine, and work efficiency is high；Simultaneously single by auxiliary
Unit arranges raising clamp force, it is ensured that product quality, is worth being widely used.
Specific embodiment described herein is only for example to this utility model spirit
Explanation.This utility model person of ordinary skill in the field can be to described concrete
Embodiment is made various amendment or supplements or use similar mode to substitute, but not
Spirit of the present utility model can be deviateed or surmount model defined in appended claims
Enclose.
Claims (10)
1. an injection machine synchronizes system, it is characterised in that including:
Fuel tank, is used for storing fluid；
Working cell, has the working oil path for delivering oil；
Master unit, have mutual UNICOM and for delivering oil the first oil circuit, second oil
Road, described first oil circuit is connected with working oil path, and be provided with on the first oil circuit for
Control the first inserted valve of the first oil circuit and working oil path break-make；
Auxiliary unit, has for the auxiliary oil way of delivering oil and auxiliary oil way and work
Oil circuit UNICOM, described working oil path, the first oil circuit and auxiliary oil way three UNICOM.
A kind of injection machine the most according to claim 1 synchronizes system, it is characterised in that
Connecting on the first inserted valve and have the first solenoid directional control valve, described first solenoid directional control valve leads to
Cross the first shuttle valve and the first inserted valve UNICOM.
A kind of injection machine the most according to claim 1 and 2 synchronizes system, its feature
Being, described auxiliary unit includes the oil pump with fuel tank UNICOM and for driving oil pump
Motor, described auxiliary oil way and oil pump UNICOM and check valve is installed on auxiliary oil way.
A kind of injection machine the most according to claim 3 synchronizes system, it is characterised in that
Auxiliary oil way is also equipped with and the proportional pressure valve of fuel tank UNICOM, described check valve position
Between oil pump and proportional pressure valve.
A kind of injection machine the most according to claim 4 synchronizes system, it is characterised in that
First oil circuit is provided with sensor, auxiliary oil way is provided with Pressure gauge.
A kind of injection machine the most according to claim 1 and 2 synchronizes system, its feature
Be, described working cell include some Mode-locking oil cylinders and with Mode-locking oil cylinder one_to_one corresponding
Some 3rd solenoid directional control valves, each Mode-locking oil cylinder all by auxiliary cylinder with corresponding
3rd solenoid directional control valve UNICOM, described Mode-locking oil cylinder and working oil path UNICOM, and each 3rd
Solenoid directional control valve respectively with working oil path, fuel tank UNICOM.
A kind of injection machine the most according to claim 6 synchronizes system, it is characterised in that
Described each Mode-locking oil cylinder is respectively provided with a locking piston bar and locking piston bar by corresponding lock
Mould oil cylinder is divided into oil suction chamber and without oil pocket, and each auxiliary cylinder is respectively provided with an auxiliary piston
Corresponding auxiliary cylinder is divided into rod chamber and rodless cavity by bar and auxiliary piston rod, described
Auxiliary piston rod part stretch into correspondence without oil pocket connected with locking piston bar, described in enter
Oil pocket and working oil path UNICOM, described 3rd solenoid directional control valve respectively with corresponding rod chamber,
Rodless cavity UNICOM.
A kind of injection machine the most according to claim 7 synchronizes system, it is characterised in that
Described working cell also includes the second inserted valve with working oil path UNICOM and the second inserted valve
With each oil suction chamber UNICOM, the second inserted valve connects and has the second solenoid directional control valve, described
Second solenoid directional control valve passes through the second shuttle valve and the second inserted valve UNICOM.
A kind of injection machine the most according to claim 7 synchronizes system, it is characterised in that
Each oil suction chamber is by the 3rd inserted valve and fuel tank UNICOM, and connects on the 3rd inserted valve and have
First Solenoid ball valve, described first Solenoid ball valve, the 3rd inserted valve and fuel tank three connection
Logical.
A kind of injection machine the most according to claim 7 synchronizes system, and its feature exists
In, between oil suction chamber and fuel tank, it is provided with the second Solenoid ball valve, and the second Solenoid ball valve
Respectively with fuel tank, each oil suction chamber UNICOM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620072464.8U CN205522359U (en) | 2016-01-25 | 2016-01-25 | Injection molding machine synchronization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620072464.8U CN205522359U (en) | 2016-01-25 | 2016-01-25 | Injection molding machine synchronization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205522359U true CN205522359U (en) | 2016-08-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201620072464.8U Active CN205522359U (en) | 2016-01-25 | 2016-01-25 | Injection molding machine synchronization system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538625A (en) * | 2016-01-25 | 2016-05-04 | 海天塑机集团有限公司 | Injection molding machine synchronizing system and oil way control method thereof |
| CN110757751A (en) * | 2019-09-29 | 2020-02-07 | 宁波力劲机械有限公司 | Oil circuit system of direct and fast clamping mechanism of two-plate injection molding machine for spring mold |
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2016
- 2016-01-25 CN CN201620072464.8U patent/CN205522359U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105538625A (en) * | 2016-01-25 | 2016-05-04 | 海天塑机集团有限公司 | Injection molding machine synchronizing system and oil way control method thereof |
| CN105538625B (en) * | 2016-01-25 | 2018-01-02 | 海天塑机集团有限公司 | A kind of injection machine synchronization system and its oil circuit control method |
| CN110757751A (en) * | 2019-09-29 | 2020-02-07 | 宁波力劲机械有限公司 | Oil circuit system of direct and fast clamping mechanism of two-plate injection molding machine for spring mold |
| CN110757751B (en) * | 2019-09-29 | 2021-11-30 | 宁波力劲机械有限公司 | Oil circuit system of direct and fast clamping mechanism of two-plate injection molding machine for spring mold |
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