CN106122156A - Differential injection module on injection machine - Google Patents
Differential injection module on injection machine Download PDFInfo
- Publication number
- CN106122156A CN106122156A CN201610667591.7A CN201610667591A CN106122156A CN 106122156 A CN106122156 A CN 106122156A CN 201610667591 A CN201610667591 A CN 201610667591A CN 106122156 A CN106122156 A CN 106122156A
- Authority
- CN
- China
- Prior art keywords
- oil
- control valve
- injection
- chamber
- die body
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material
-
- 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
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/76—Measuring, controlling or regulating
- B29C45/82—Hydraulic or pneumatic circuits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
- F15B13/044—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by electrically-controlled means, e.g. solenoids, torque-motors
- F15B2013/0448—Actuation by solenoid and permanent magnet
Abstract
nullA kind of differential injection module on injection machine，Including die body，The oil-in being connected with fuel tank it is provided with on die body、Oil-out、The oily inlet port being connected with the propelling chamber of injection cylinder and the oily refluxing opening being connected with the chamber that gets loose of injection cylinder，Injection control valve，Check valve and flow control valve，Injection control valve、Check valve is connected with control circuit by wire respectively with flow control valve，Oil-in、Oil-out、Oil inlet port is connected with injection control valve by pipeline respectively with oil refluxing opening，Check valve is arranged on the pipeline that oil refluxing opening connects with injection control valve，Flow control valve is arranged on the pipeline that oil-in connects with injection control valve，The spool that can move left and right it is provided with in described injection control valve，When spool to the left/move right after，Described oil-in is connected with oil inlet port，When spool to the right/move left after，Described oil-in is connected with oil refluxing opening.It is an advantage of the current invention that: oil circuit Flow-rate adjustment is convenient, injection cylinder advances stable, promotion efficiency height.
Description
Technical field
The present invention relates to a kind of injection machine manufacture technology field, a kind of differential injection mould on injection machine
Block.
Background technology
Entitled " the double-rod double differential injection of a kind of two board injection machines of existing a kind of Patent No. CN201120546009.4
Mechanism " Chinese utility model patent disclose the double-rod double differential injection mechanism of a kind of two board injection machines, relate to injection machine.Should
Utility model solves the problem that restriction injection mechanism of injection machine maximizes.This utility model is noted by double-rod injection device and double differential
Injection device forms, described double-rod injection device, including: injection mechanism lathe bed, injection mechanism guiderail base, double differential injection dress
Put, storage device；Described double differential injection device, equipped with two double differential injection composite oil cylinders, is arranged in parallel.This utility model
For two board injection machines, can allow limited fluid flow to realize the requirement of fast injection, under the same conditions, this utility model
Injection speed can double.But, the oil of this injection mechanism from injecting cavity oil-feed plug-in mounting mouth enter injecting cavity time pressure relatively
Greatly, being susceptible to the situation that pressure is excessive, affect using effect, therefore the structure of this injection mechanism also needs to improve further.
Summary of the invention
The technical problem to be solved is to provide a kind of oil circuit Flow-rate adjustment for above-mentioned prior art present situation
Convenient, injection cylinder advances differential injection module stable, that promotion efficiency is high.
The present invention solves the technical scheme that above-mentioned technical problem used: this differential injection module, and including die body, it is special
Levy and be: be provided with the oil-in that is connected with fuel tank on described die body, the chamber that advances of oil-out and injection cylinder is connected
Oil inlet port and the oily refluxing opening being connected with the chamber that gets loose of injection cylinder, injection control valve, check valve and flow-control
Valve, described injection control valve, check valve be connected with control circuit by wire respectively with flow control valve, described oil-in,
Oil-out, oil inlet port are connected with injection control valve by pipeline respectively with oil refluxing opening, and described check valve is arranged on oil and returns
On the pipeline that head piece connects with injection control valve, described flow control valve is arranged on the pipeline that oil-in connects with injection control valve
On, be provided with the spool that can move left and right in described injection control valve, when spool to the left/move right after, described oil-in with oil
Inlet port is connected, when spool to the right/move left after, described oil-in with oil refluxing opening be connected.
As improvement, described die body is preferably solid die body, is provided with oil-feed tube chamber, flowline in described solid die body
Chamber, oil enter tube chamber, oil return pipe chamber, and described oil-feed tube chamber is provided with flow branch tube chamber, described flow branch tube chamber with
Flow-control mouth on die body is connected, and described flow-control mouth is connected with flow control valve.
Improving further, described flow-control mouth is preferably arranged on the end face of solid die body, described flow control valve
The communication nipple of bottom is planted and is fixed in flow-control mouth.
Improving further, described flow control valve is preferably fixed by the end face of screw with solid die body, described stream
Being provided with on the valve body of control valve can be through the connecting hole of screw, and described solid die body end face is arranged with connecting hole correspondence position
There is fixing hole.
As improvement, described oil-in is preferably connected with the first import of injection control valve by oil-feed tube chamber, institute
State oil-out to be connected by the first outlet of fuel-displaced tube chamber and injection control valve, described oil inlet port by oil enter tube chamber and
Second outlet of injection control valve is connected, the described oil refluxing opening the second import phase by oil return pipe chamber with injection control valve
Connection.
Improving further, described injection control valve is preferably arranged on the end face of solid die body, described solid die body
It is provided with the first opening being connected with the first import on end face, exports, with first, the second opening being connected, with the second outlet
The 3rd opening being connected, the 4th opening being connected with the second import.
Improving further, the bottom of described injection control valve is preferably provided with fixing projection, described solid die body end face
Fixing projection corresponding position is provided with jack, and described fixing projection grafting is fixed in corresponding jack.
As improvement, described oil return pipe chamber is preferably provided with first point of chamber, described oil-feed tube chamber is provided with
Two points of chambeies, described second point of chamber is provided with the 3rd point of chamber, and described 3rd point of chamber is connected by check valve and first point of chamber.
As improvement, described die body can be fixed on the fixing frame plate of injection cylinder sidepiece with shirking.
Compared with prior art, it is an advantage of the current invention that: flow control valve can accurately regulate the intraluminal oil of oil-feed and lead to
Excess, the flow monitoring of flow control valve is highly sensitive, and flow-control is effective, when injection cylinder is pushed ahead, utilizes oil cylinder
Pressure at both sides difference Differential Control fltting speed, owing to fltting speed is only determined by the flow velocity being passed through oil, after therefore controlling flow
The mobile accuracy of injection cylinder can be effectively improved, make injection cylinder meet tightened up injection movement requirement；On oil return pipe chamber
Being provided with check valve, a small amount of oil is passed through injection control valve from the 4th opening and returns to fuel tank through the second opening from oil-out, greatly
Partially due to the pressure differential of oil enters second point of chamber from check valve thus is again introduced into oil-feed tube chamber, it is circulated flowing, pushes away
Dynamic piston is continuously advanced, thus reaches to control oil cylinder and realize the purpose of closing movement, and locking effect is good, instead of traditional locks moulding oil
Differential injection control valve in road and big orifice injection control valve, decrease oil return while realizing equal locked mode function
Amount, efficiency is the highest；After injection control valve spool displacement, the first opening and the 4th opening in communication, oil enters also from oil-in
From oil refluxing opening and lead to the retrogressing chamber of piston, it is achieved oil cylinder mould moves, oil circuit unlocks simple to operate；Injection control valve,
Check valve and flow control valve use circuit to control, and are quick on the draw, and toggle speed is fast；Die body is solid die body, connects each and opens
The tube chamber of mouth is arranged on solid die body, and simple in construction is processed very convenient.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of the embodiment of the present invention；
Fig. 2 is the STRUCTURE DECOMPOSITION figure of Fig. 1；
Fig. 3 is the enlarged drawing of I part in Fig. 2.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
As shown in Figure 1 to Figure 3, the differential injection module of the present embodiment, including die body 1, described die body 1 is provided with and oil
Oil-in p, the oil-out t that case is connected and injection cylinder 2 advance oily inlet port f that chamber is connected and with injection cylinder 2
The oily refluxing opening c that is connected of the chamber that gets loose, injection control valve, check valve 4 and flow control valve 3, described injection control valve, list
It is connected with control circuit by wire respectively with flow control valve 3 to valve 4, described oil-in p, oil-out t, oil inlet port f
Being connected with injection control valve by pipeline respectively with oil refluxing opening c, described check valve 4 is arranged on oil refluxing opening c and injection control
On the pipeline of valve processed connection, described flow control valve 3 is arranged on the pipeline that oil-in p connects with injection control valve 3, described note
Be provided with the spool that can move left and right in penetrating control valve, when spool to the left/move right after, described oil-in p and oil inlet port f phase
Connection, when spool to the right/move left after, described oil-in p is connected with oily refluxing opening c.Described die body 1 is solid die body, institute
It is provided with oil-feed tube chamber, fuel-displaced tube chamber, oil entrance tube chamber, oil return pipe chamber in stating solid die body, described oil-feed tube chamber is arranged
Have flow branch tube chamber, described flow branch tube chamber to be connected with the flow-control mouth m on die body, described flow-control mouth m with
Flow control valve 3 is connected.Described flow-control mouth m is arranged on the end face of solid die body, bottom described flow control valve 3
Communication nipple 31 is planted and is fixed in flow-control mouth m.Described flow control valve 3 is solid mutually with the end face of solid die body by screw
Fixed, the valve body of described flow control valve 3 is provided with can be through the connecting hole 32 of screw, described solid die body end face and connecting hole
32 correspondence positions are provided with fixing hole 11.Described oil-in p is connected with the first import of injection control valve by oil-feed tube chamber,
Described oil-out t is connected with the first outlet of injection control valve by fuel-displaced tube chamber, and described oil inlet port f enters pipe by oil
Chamber is connected with the second outlet of injection control valve, and described oil refluxing opening c is by oil return pipe chamber and the second of injection control valve
Import is connected.Described injection control valve is arranged on the end face of solid die body, the end face of described solid die body is provided with
The first opening a that first import is connected, exports, with first, the second opening b being connected, and exports, with second, the 3rd be connected
Opening e, the 4th opening d being connected with the second import.The bottom of described injection control valve is provided with fixing projection, described solid
Die body end face and fixing projection corresponding position are provided with jack 12, and described fixing projection grafting is fixed in corresponding jack 12.
It is provided with first point of chamber on described oil return pipe chamber, described oil-feed tube chamber is provided with second point of chamber, described second point of chamber sets
Being equipped with the 3rd point of chamber, described 3rd point of chamber is connected with first point of chamber by check valve 4.Described die body 1 can be fixed on shirking
On the fixing frame plate 21 of injection cylinder 2 sidepiece.
Operation principle: flow control valve mainly includes valve body, band position sensor, proportion electro-magnet, valve seat, spool and tune
Pressing spring.When the signal of telecommunication inputs, electric magnet produces corresponding electromagnetic force, is added on pressure spring and spool by spring base,
And to spring precommpression.This pre compressed magnitude determines oil pressure relief.And decrement direct ratio input electrical signal, so oil pressure relief is also
It is proportional to input electrical signal, it is achieved the ratio of pressure is controlled.Spring base physical location is by differential transformer displacement transducer
Detection, actual value is fed back to input and compares with input value, when occurring that error is just by electric controller generation signal in addition
Correct.Oil enters, from oil-in, the oily flow that solid die body, flow-control valve unit monitoring the signal according to input control to pass through,
Injection control valve spool displacement, makes the first opening and the 3rd opening in communication, and oil enters into pushing away of injection cylinder from oil inlet port
Entering in chamber, promote injection rod to travel forward, the oil got loose in chamber flows back into oil refluxing opening from injection cylinder, due to oil return pipe chamber
On be provided with check valve, a small amount of oil is passed through injection control valve from the 4th opening and returns to fuel tank through the second opening from oil-out,
Major part thus is again introduced into oil-feed tube chamber from check valve second point of chamber of entrance due to the pressure differential of oil, is circulated flowing,
Promotion injection rod is continuously advanced.After the displacement again of injection control valve spool, the first opening and the 4th opening in communication, oil is from oil-feed
Mouthful enter and from oil refluxing opening and lead to and get loose chamber, promote injection rod adverse movement, advance the oil in chamber to flow back to oil from oil cylinder
Inlet port, enters injection control valve from the 3rd opening, and is back to fuel tank through the second opening from oil-out, complete following of oil circuit
Ring.
Claims (9)
1. the differential injection module on injection machine, including die body (1), it is characterised in that: described die body (1) is upper to be arranged
There is the oily inlet port (f) advancing chamber to be connected of the oil-in (p) being connected with fuel tank, oil-out (t) and injection cylinder (2)
And the oily refluxing opening (c) being connected with the chamber that gets loose of injection cylinder (2), injection control valve, check valve (4) and flow-control
Valve (3), described injection control valve, check valve (4) be connected with control circuit by wire respectively with flow control valve (3), institute
State oil-in (p), oil-out (t), oil inlet port (f) and oily refluxing opening (c) to be connected with injection control valve by pipeline respectively,
Described check valve (4) is arranged on the pipeline that oil refluxing opening (c) connects with injection control valve, and described flow control valve (3) is arranged
On the pipeline that oil-in (p) connects with injection control valve (3), in described injection control valve, it is provided with the valve that can move left and right
Core, when spool to the left/move right after, described oil-in (p) with oil inlet port (f) be connected, when spool to the right/move left after,
Described oil-in (p) is connected with oil refluxing opening (c).
Differential injection module the most according to claim 1, it is characterised in that: described die body (1) is solid die body, described reality
It is provided with oil-feed tube chamber, fuel-displaced tube chamber, oil entrance tube chamber, oil return pipe chamber in heart die body, described oil-feed tube chamber is provided with stream
Amount branch tube chamber, described flow branch tube chamber is connected with flow-control mouth (m) on die body, described flow-control mouth (m) and
Flow control valve (3) is connected.
Differential injection module the most according to claim 2, it is characterised in that: described flow-control mouth (m) is arranged on solid
On the end face of die body, the communication nipple (31) of described flow control valve (3) bottom is planted and is fixed in flow-control mouth (m).
Differential injection module the most according to claim 3, it is characterised in that: described flow control valve (3) by screw with
The end face of solid die body fixes, and the valve body of described flow control valve (3) is provided with can be through the connecting hole (32) of screw, institute
State solid die body end face and connecting hole (32) correspondence position is provided with fixing hole (11).
5. according to described differential injection module arbitrary in claim 2 to 4, it is characterised in that: described oil-in (p) pass through into
Oil pipe chamber is connected with the first import of injection control valve, described oil-out (t) by fuel-displaced tube chamber and injection control valve the
One outlet is connected, and described oil inlet port (f) enters tube chamber by oil and be connected with the second outlet of injection control valve, described oil
Refluxing opening (c) is connected with the second import of injection control valve by oil return pipe chamber.
Differential injection module the most according to claim 5, it is characterised in that: described injection control valve is arranged on solid die body
End face on, the end face of described solid die body is provided with the first opening (a) being connected with the first import, with first outlet phase
Second opening (b) of connection, exports the 3rd opening (e) being connected, the 4th opening being connected with the second import with second
(d)。
Differential injection module the most according to claim 6, it is characterised in that: the bottom of described injection control valve is provided with solid
Determining projection, described solid die body end face and fixing projection corresponding position are provided with jack (12), and described fixing projection grafting is solid
It is scheduled in corresponding jack (12).
8. according to described differential injection module arbitrary in claim 2 to 4, it is characterised in that: set on described oil return pipe chamber
It is equipped with first point of chamber, described oil-feed tube chamber is provided with second point of chamber, described second point of chamber be provided with the 3rd point of chamber, described
Three points of chambeies are connected with first point of chamber by check valve (4).
9. according to described differential injection module arbitrary in Claims 1-4, it is characterised in that: described die body (1) can shirk ground
It is fixed on the fixing frame plate (21) of injection cylinder (2) sidepiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610667591.7A CN106122156B (en) | 2016-08-08 | 2016-08-08 | Differential injection module on injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610667591.7A CN106122156B (en) | 2016-08-08 | 2016-08-08 | Differential injection module on injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106122156A true CN106122156A (en) | 2016-11-16 |
| CN106122156B CN106122156B (en) | 2018-08-10 |
Family
ID=57258938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610667591.7A Active CN106122156B (en) | 2016-08-08 | 2016-08-08 | Differential injection module on injection molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106122156B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513971A (en) * | 1993-08-06 | 1996-05-07 | Nissei Plastic Industrial Co., Ltd. | Hydraulic control circuit for an injection molding machine |
| JPH0999463A (en) * | 1995-10-03 | 1997-04-15 | Niigata Eng Co Ltd | Control of injection molding machine |
| CN203267137U (en) * | 2013-05-20 | 2013-11-06 | 博创机械股份有限公司 | Differential motion injection oil path for single cylinder injection table |
| CN203371756U (en) * | 2013-07-10 | 2014-01-01 | 宁波海雄塑料机械有限公司 | Hydraulic control system of rotary table of clear double-colored injection molding machine |
| CN203510661U (en) * | 2013-09-12 | 2014-04-02 | 佛山市南海思必拓塑机有限公司 | Mold-locking differential oil line of injection molding machine |
| CN104029366A (en) * | 2014-06-12 | 2014-09-10 | 浙江大学 | Energy-saving hydraulic control device of hydraulic injection molding machine |
| CN204054564U (en) * | 2014-08-27 | 2014-12-31 | 山东胜岳精密机械有限公司 | The anti-die sinking percussion mechanism of fluid pressure type injection machine |
| CN204431683U (en) * | 2014-12-31 | 2015-07-01 | 东华机械有限公司 | A kind of injection machine servo oil circuit control structure |
| CN105728694A (en) * | 2016-04-27 | 2016-07-06 | 中山市德工机械科技有限公司 | Quick die opening device of die-casting machine |
| CN205937283U (en) * | 2016-08-08 | 2017-02-08 | 浙江台意德塑机制造有限公司 | A differential notes injection die piece for on injection molding machine |
-
2016
- 2016-08-08 CN CN201610667591.7A patent/CN106122156B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5513971A (en) * | 1993-08-06 | 1996-05-07 | Nissei Plastic Industrial Co., Ltd. | Hydraulic control circuit for an injection molding machine |
| JPH0999463A (en) * | 1995-10-03 | 1997-04-15 | Niigata Eng Co Ltd | Control of injection molding machine |
| CN203267137U (en) * | 2013-05-20 | 2013-11-06 | 博创机械股份有限公司 | Differential motion injection oil path for single cylinder injection table |
| CN203371756U (en) * | 2013-07-10 | 2014-01-01 | 宁波海雄塑料机械有限公司 | Hydraulic control system of rotary table of clear double-colored injection molding machine |
| CN203510661U (en) * | 2013-09-12 | 2014-04-02 | 佛山市南海思必拓塑机有限公司 | Mold-locking differential oil line of injection molding machine |
| CN104029366A (en) * | 2014-06-12 | 2014-09-10 | 浙江大学 | Energy-saving hydraulic control device of hydraulic injection molding machine |
| CN204054564U (en) * | 2014-08-27 | 2014-12-31 | 山东胜岳精密机械有限公司 | The anti-die sinking percussion mechanism of fluid pressure type injection machine |
| CN204431683U (en) * | 2014-12-31 | 2015-07-01 | 东华机械有限公司 | A kind of injection machine servo oil circuit control structure |
| CN105728694A (en) * | 2016-04-27 | 2016-07-06 | 中山市德工机械科技有限公司 | Quick die opening device of die-casting machine |
| CN205937283U (en) * | 2016-08-08 | 2017-02-08 | 浙江台意德塑机制造有限公司 | A differential notes injection die piece for on injection molding machine |
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|---|---|
| CN106122156B (en) | 2018-08-10 |
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