CN106968995A - The die casting machine injection system started steadily - Google Patents
The die casting machine injection system started steadily Download PDFInfo
- Publication number
- CN106968995A CN106968995A CN201710280309.4A CN201710280309A CN106968995A CN 106968995 A CN106968995 A CN 106968995A CN 201710280309 A CN201710280309 A CN 201710280309A CN 106968995 A CN106968995 A CN 106968995A
- Authority
- CN
- China
- Prior art keywords
- oil
- injection
- oil cylinder
- extrusion
- rod chamber
- 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
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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members
- F15B11/205—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members the position of the actuator controlling the fluid flow to the subsequent actuator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D17/00—Pressure die casting or injection die casting, i.e. casting in which the metal is forced into a mould under high pressure
- B22D17/20—Accessories: Details
- B22D17/2015—Means for forcing the molten metal into the die
- B22D17/2023—Nozzles or shot sleeves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/85—Control during special operating conditions
- F15B2211/851—Control during special operating conditions during starting
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/80—Other types of control related to particular problems or conditions
- F15B2211/86—Control during or prevention of abnormal conditions
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Engineering & Computer Science (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The present invention relates to the die casting machine injection system started steadily, the sidepiece of the rod chamber oil-out of injection oil cylinder is provided with the piston rod pilot hole intersected with oil-out, the piston rod of extrusion oil cylinder may pass through piston rod pilot hole and stretch in the rod chamber oil-out of injection oil cylinder, pressure oil in-line is connected with the rodless cavity oil inlet of injection oil cylinder and the pressure oil oil inlet of extrusion oil cylinder control valve respectively, one actuator port of extrusion oil cylinder control valve connects the rodless cavity oil inlet of extrusion oil cylinder, another actuator port connects the rod chamber oil-out of extrusion oil cylinder, oil-out connects oil return box, the rod chamber oil-out of injection oil cylinder is connected with two injection oil return branch roads in parallel, the oil inlet connection oil return box of the check valve of one branch road, oil-out is connected to the rod chamber oil-out of injection oil cylinder, the oil inlet of the injection draining valve of another branch road is connected to the rod chamber oil-out of injection oil cylinder, oil-out connects oil return box.Back pressure is increased by the hydraulic oil of extrusion oil cylinder extrusion injection oil cylinder ante-chamber.
Description
Technical field
The present invention relates to a kind of die casting machine injection system started steadily.
Background technology
The operation principle of die casting is being pushed into the die cavity of mould by injection system high speed and high pressure by the aluminium liquid of liquid,
Then be cooled and shaped, but injection system when high speed promotes liquid aluminium liquid if slag inclusion air in aluminium liquid, it is empty
Gas can be pushed into mold cavity by a superhigh speed, and stomata will be produced in interiors of products by cooling down, and have a strong impact on product, so existing
Require that the air brought into injection is more few better (being preferably no) in die casting, if shaking larger in injection startup stage,
It is equivalent to, in stirring liquid aluminium liquid, the possibility of slag inclusion air in aluminium liquid will be greatly increased, so injection startup is steady right
The quality of die-cast product has vital effect.
The content of the invention
The purpose of the present invention be overcome the shortcomings of prior art exist there is provided a kind of die casting machine injection system started steadily
System.
The purpose of the present invention is achieved through the following technical solutions：
The die casting machine injection system started steadily, feature is：Include injection oil cylinder, extrusion oil cylinder, injection draining valve, extruding
Ram control valve and check valve, the sidepiece of the rod chamber oil-out of injection oil cylinder are provided with the piston rod intersected with oil-out and are oriented to
Extrusion oil cylinder is installed at hole, piston rod pilot hole position, and the piston rod of extrusion oil cylinder may pass through piston rod pilot hole and stretch to injection
In the rod chamber oil-out of oil cylinder, pressure oil in-line is controlled with the rodless cavity oil inlet and extrusion oil cylinder of injection oil cylinder respectively
The pressure oil oil inlet of valve is connected, and an actuator port of extrusion oil cylinder control valve connects the rodless cavity oil inlet of extrusion oil cylinder, squeezes
Another actuator port of compressing cylinder control valve connects the rod chamber oil-out of extrusion oil cylinder, and the oil-out of extrusion oil cylinder control valve connects
Oil return box is connected to, the rod chamber oil-out of injection oil cylinder is connected with two injection oil return branch roads in parallel, wherein a branch road is provided with
Check valve, the oil inlet of check valve is connected to oil return box, and the oil-out of check valve is connected to the rod chamber oil-out of injection oil cylinder,
Another branch road is provided with injection draining valve, and the oil inlet of injection draining valve is connected to the rod chamber oil-out of injection oil cylinder, injection
The oil-out of draining valve is connected to oil return box.
Further, the die casting machine injection system of above-mentioned steady startup, wherein, the piston rod pilot hole and injection oil
The rod chamber oil-out of cylinder intersects vertically.
Further, the die casting machine injection system of above-mentioned steady startup, wherein, the extrusion oil cylinder control valve is three
Four way solenoid valve.
The present invention has significant advantage and beneficial effect compared with prior art, embodies in the following areas：
Present invention design is unique, structure is novel, by extrusion oil cylinder come the hydraulic oil of extrusion injection oil cylinder ante-chamber, the increase back of the body
Pressure, it is ensured that injection startup stage does not shake, it is to avoid slag inclusion air in aluminium liquid, injection starts more steady, it is ensured that die-cast product
Quality, is a practical new design.
Brief description of the drawings
Fig. 1：The schematic diagram of present invention extruding working condition；
Fig. 2：The schematic diagram of return working condition of the present invention.
Embodiment
In order to which technical characteristic, purpose and effect to the present invention are more clearly understood from, now compare accompanying drawing and describe in detail
Specific embodiment.
As shown in Figure 1 and Figure 2, the die casting machine injection system started steadily, includes injection oil cylinder 1, extrusion oil cylinder 3, injection row
Fuel tap V1, extrusion oil cylinder control valve V2 and check valve V3, the rod chamber oil-out B of injection oil cylinder 1 sidepiece be provided with it is fuel-displaced
The rod chamber oil-out B of the intersecting piston rod pilot hole of mouth, piston rod pilot hole and injection oil cylinder is intersected vertically, and piston rod is oriented to
Extrusion oil cylinder 3 is installed in hole portion position, and what the piston rod 4 of extrusion oil cylinder 3 may pass through that piston rod pilot hole stretches to injection oil cylinder has bar
In chamber oil-out B, pressure oil in-line P respectively with the rodless cavity oil inlet A and extrusion oil cylinder control valve V2 of injection oil cylinder
Pressure oil oil inlet is connected, and extrusion oil cylinder control valve V2 is three position four-way electromagnetic valve, an extrusion oil cylinder control valve V2 working oil
The rodless cavity oil inlet C of mouth connection extrusion oil cylinder 3, extrusion oil cylinder control valve V2 another actuator port connection extrusion oil cylinder 3
Rod chamber oil-out D, extrusion oil cylinder control valve V2 oil-out are connected to oil return box T, and the rod chamber oil-out B of injection oil cylinder connects
Two injection oil return branch roads in parallel are connected to, wherein a branch road is provided with check valve V3, check valve V3 oil inlet is connected to oil return
Case T, check valve V3 oil-out are connected to the rod chamber oil-out B of injection oil cylinder, and another branch road is provided with injection draining valve V1,
Injection draining valve V1 oil inlet is connected to the rod chamber oil-out B of injection oil cylinder, and injection draining valve V1 oil-out is connected to
Oil return box T.Injection draining valve V1 uses flow control valve.
Piston is promoted when rodless cavity oil inlet A of the pressure oil from in-line P from injection oil cylinder enters the back cavity of injection oil cylinder 1
Before bar 2 travels forward, the piston rod 4 for controlling extrusion oil cylinder by extrusion oil cylinder control valve V2 travels forward, extrusion oil cylinder 3
Piston rod 4 enters the rod chamber oil-out B of injection oil cylinder, and the ante-chamber hydraulic oil of extrusion injection oil cylinder 1 is (because in injection oil return line
It is upper that check valve V3 is housed, it is ensured that when extrusion oil cylinder is extruded, oil will not flow to oil return box), making the ante-chamber of injection oil cylinder 1 has certain
Back-pressure, now starts injection action, and pressure oil enters the work for promoting injection oil cylinder from the rodless cavity oil inlet A of injection oil cylinder
Stopper rod 2 travels forward, because now injection oil cylinder ante-chamber has the squeezing action of extrusion oil cylinder piston rod 4, with certain back pressure
Pressure is present, and now cavity pressure can be raised moment after injection oil cylinder, tend to the perseverances such as front and rear cavity pressure, now injection draining valve V1 is same
When open make the ante-chamber oil extraction of injection oil cylinder, the piston rod 2 of injection oil cylinder is moved forward, due to open when injection oil cylinder before and after chamber
Pressure differential is smaller, thus it is steady when the piston rod 2 of injection oil cylinder starts forward, without jitter phenomenon, as shown in figure 1, injection is oily
When the piston rod 2 of cylinder is returned, extrusion oil cylinder control valve V2 commutations retract the piston rod 4 of extrusion oil cylinder, as shown in Figure 2.
By extrusion oil cylinder come the hydraulic oil of extrusion injection oil cylinder ante-chamber, increase back pressure, it is ensured that injection startup stage does not have
Shake, it is to avoid slag inclusion air in aluminium liquid, injection starts more steady, it is ensured that the quality of die-cast product.
It should be noted that：The preferred embodiment of the present invention is the foregoing is only, the power of the present invention is not limited to
Sharp scope；Simultaneously more than description, should can understand and implement for the special personage of correlative technology field, thus it is other without departing from
The equivalent change or modification completed under disclosed spirit, should be included in claim.
Claims (3)
1. the die casting machine injection system started steadily, it is characterised in that：Comprising injection oil cylinder, extrusion oil cylinder, injection draining valve, squeeze
Compressing cylinder control valve and check valve, the sidepiece of the rod chamber oil-out of injection oil cylinder are provided with the piston rod intersected with oil-out and led
Extrusion oil cylinder is installed at Xiang Kong, piston rod pilot hole position, and the piston rod of extrusion oil cylinder may pass through piston rod pilot hole and stretch to pressure
In the rod chamber oil-out for penetrating oil cylinder, pressure oil in-line rodless cavity oil inlet respectively with injection oil cylinder and extrusion oil cylinder control
The pressure oil oil inlet of valve processed is connected, and an actuator port of extrusion oil cylinder control valve connects the rodless cavity oil inlet of extrusion oil cylinder,
Another actuator port of extrusion oil cylinder control valve connects the rod chamber oil-out of extrusion oil cylinder, the oil-out of extrusion oil cylinder control valve
Oil return box is connected to, the rod chamber oil-out of injection oil cylinder is connected with two injection oil return branch roads in parallel, wherein a branch road is installed
There is a check valve, the oil inlet of check valve is connected to oil return box, the rod chamber that the oil-out of check valve is connected to injection oil cylinder is fuel-displaced
Mouthful, another branch road is provided with injection draining valve, and the oil inlet of injection draining valve is connected to the rod chamber oil-out of injection oil cylinder, pressure
The oil-out for penetrating draining valve is connected to oil return box.
2. the die casting machine injection system according to claim 1 started steadily, it is characterised in that：The piston rod pilot hole
Intersected vertically with the rod chamber oil-out of injection oil cylinder.
3. the die casting machine injection system according to claim 1 started steadily, it is characterised in that：The extrusion oil cylinder control
Valve is three position four-way electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710280309.4A CN106968995B (en) | 2017-04-26 | 2017-04-26 | The die casting machine injection system started steadily |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710280309.4A CN106968995B (en) | 2017-04-26 | 2017-04-26 | The die casting machine injection system started steadily |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106968995A true CN106968995A (en) | 2017-07-21 |
| CN106968995B CN106968995B (en) | 2018-02-16 |
Family
ID=59333846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710280309.4A Active CN106968995B (en) | 2017-04-26 | 2017-04-26 | The die casting machine injection system started steadily |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106968995B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594251A (en) * | 2020-11-24 | 2021-04-02 | 中国人民解放军96901部队24分队 | Synchronous telescopic multi-stage cylinder with auxiliary cylinder |
| CN113245527A (en) * | 2021-06-29 | 2021-08-13 | 广东伊之密精密机械股份有限公司 | Die sinking positioning electro-hydraulic control system and die casting machine |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011902A (en) * | 1973-10-08 | 1977-03-15 | Gebrueder Buehler Ag | Device for pressure casting |
| CN101239373A (en) * | 2008-03-04 | 2008-08-13 | 苏州意特机械有限公司 | Vertical pressure charging press-shoot system |
| CN202877515U (en) * | 2012-06-26 | 2013-04-17 | 苏州三基铸造装备股份有限公司 | Hydraulic squeezing system of squeeze casting machine |
| CN103381478A (en) * | 2013-06-26 | 2013-11-06 | 东莞市益格机电有限公司 | Injection system of die casting machine |
| JP5381161B2 (en) * | 2009-02-27 | 2014-01-08 | 宇部興産機械株式会社 | Die casting machine and die casting method |
| CN103752792A (en) * | 2014-01-26 | 2014-04-30 | 东莞市益格机电有限公司 | Energy-saving die casting machine |
| CN205437090U (en) * | 2016-01-04 | 2016-08-10 | 龙吉林 | Vertical die casting machine |
| CN206655850U (en) * | 2017-04-26 | 2017-11-21 | 苏州三基铸造装备股份有限公司 | The die casting machine injection system started steadily |
-
2017
- 2017-04-26 CN CN201710280309.4A patent/CN106968995B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4011902A (en) * | 1973-10-08 | 1977-03-15 | Gebrueder Buehler Ag | Device for pressure casting |
| CN101239373A (en) * | 2008-03-04 | 2008-08-13 | 苏州意特机械有限公司 | Vertical pressure charging press-shoot system |
| JP5381161B2 (en) * | 2009-02-27 | 2014-01-08 | 宇部興産機械株式会社 | Die casting machine and die casting method |
| CN202877515U (en) * | 2012-06-26 | 2013-04-17 | 苏州三基铸造装备股份有限公司 | Hydraulic squeezing system of squeeze casting machine |
| CN103381478A (en) * | 2013-06-26 | 2013-11-06 | 东莞市益格机电有限公司 | Injection system of die casting machine |
| CN103752792A (en) * | 2014-01-26 | 2014-04-30 | 东莞市益格机电有限公司 | Energy-saving die casting machine |
| CN205437090U (en) * | 2016-01-04 | 2016-08-10 | 龙吉林 | Vertical die casting machine |
| CN206655850U (en) * | 2017-04-26 | 2017-11-21 | 苏州三基铸造装备股份有限公司 | The die casting machine injection system started steadily |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112594251A (en) * | 2020-11-24 | 2021-04-02 | 中国人民解放军96901部队24分队 | Synchronous telescopic multi-stage cylinder with auxiliary cylinder |
| CN113245527A (en) * | 2021-06-29 | 2021-08-13 | 广东伊之密精密机械股份有限公司 | Die sinking positioning electro-hydraulic control system and die casting machine |
| CN113245527B (en) * | 2021-06-29 | 2021-11-02 | 广东伊之密精密机械股份有限公司 | Die sinking positioning electro-hydraulic control system and die casting machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106968995B (en) | 2018-02-16 |
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| GR01 | Patent grant |