CN2353509Y - Injection moulding machine with double compound cylinders for plastic-injection and control oil-path - Google Patents
Injection moulding machine with double compound cylinders for plastic-injection and control oil-path Download PDFInfo
- Publication number
- CN2353509Y CN2353509Y CN 98202170 CN98202170U CN2353509Y CN 2353509 Y CN2353509 Y CN 2353509Y CN 98202170 CN98202170 CN 98202170 CN 98202170 U CN98202170 U CN 98202170U CN 2353509 Y CN2353509 Y CN 2353509Y
- Authority
- CN
- China
- Prior art keywords
- injection
- oil
- cylinder
- supercharging
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Abstract
The utility model relates to an injection moulding machine with double compound cylinders for plastic injection and a control oil path, which is composed of an unlocking mould part 6 and a plastic injection part 8, wherein the plastic injection part 8 is composed of a standard oil cylinder 9, a movable seat 10, a plastic injection mouth 11 and a machine frame 12, and one side of the standard oil cylinder 9, which is near to the plastic injection mouth 11, is additionally provided with a supercharging oil cylinder 13 and a control loop. The utility model adopts a unique control oil path matched with the injection moulding machine. Therefore, a user can achieve three kinds of plastic injection pressure and speed of supercharging, standard and low pressure high speed conveniently. Moreover, the stepless pressure regulation of an electro-hydraulic proportional valve greatly broadens the regulating range of plastic injection parameters. As a result, the adaptability of processing plastic parts can be greatly enhanced.
Description
The utility model relates to a kind of injection machine, particularly a kind of injection machine with two composite cylinder injections and control oil circuit.
Usually the injection of injection machine partly is a double hydraulic cylinder, can only regulate the injection pressure parameter by the change of oil pressure, its adjustable range is limited, adaptability is little, has only the conversion type once exceed, and uses big machine or little machined instead, like this to the equipment configuration of plastic cement factory, utilization rate of equipment and installations, product delivery date, production cost all is disadvantageous.
As shown in Figure 1, the start-stop of an oil cylinder can realize with a three-position four-way valve that with commutation two oil cylinders that separate are controlled with two three-position four-way valves.And two oil cylinders that connect together, realize any selection of large-scale three kinds of duties,, other each chambeies all are communicated with oil sump except a chamber or two chambeies of two oil cylinders will have pressure oil to enter, could move, this is not that two three-position four-way valves can be accomplished just.
The purpose of this utility model is can only regulate the injection pressure parameter by the change of oil pressure at present injection machine, adjustable range is little, utilization rate of equipment and installations is hanged down this problem, a kind of have supercharging, standard, the quick three kinds of injection pressure of low pressure and injection speed are provided, injection parameter adjustable range is big, can save the injector of two composite cylinder injections of having of subscriber equipment fund input and control oil circuit.
The technical solution of the utility model is:
The injection machine of a kind of pair of composite cylinder injection and control oil circuit, mould part 6 and injection part 8 are formed by unblanking, injection part 8 is made up of standard oil cylinder 9, sliding seat 10, injection mouth 11 and frame 12, sets up pressurizing cylinder 13 and control loop at standard oil cylinder 9 by a side of injection mouth 11; Pressurizing cylinder is by supercharging injection flange 1,5, and supercharging injection piston 2, supercharging injection piston rod 3, supercharging injection cylinder barrel 4, supercharging injection piston rod nut 7 constitute; The control oil circuit is made of pressurized cylinder operating valve 14, blanking oil motor 15, pressurized cylinder reversal valve 16, injection oil cylinder operating valve 17, blanking oil motor operating valve 18, back pressure oil pressure gauge 19, counterbalance valve 20, oil sump 21, oil cooler 22 and oil sump 23; Supercharging injection forward flange 5 and supercharging injection rear flange 1 are socketed in supercharging injection cylinder barrel 4 two ends respectively, and supercharging injection piston rod 3 passes in the middle of the right side lid of supercharging injection forward flange 5 and standard oil cylinder 9, and supercharging injection piston 2 is socketed on the supercharging injection piston rod 3.Pressurizing cylinder 13 is fixed together by the right side lid of long bolt 24 with standard oil cylinder 9.Supercharging injection piston rod 3 and injection piston rod are by supercharging injection piston rod nut 7, injection piston and the affixed one of several high-strength bolt.
14 1 oil circuits of pressurized cylinder operating valve in the control oil circuit link to each other with pressurizing cylinder 13 left chambeies, and an oil circuit links to each other with pressurized cylinder reversal valve 16, and pressurized cylinder reversal valve 16 links to each other with pressurizing cylinder 13 right chambeies.Pressurized cylinder reversal valve 16 also links to each other with pressure oil and pressurizing cylinder 13 left chambeies respectively.Pressurized cylinder reversal valve 16 also links to each other with oil sump.17 1 oil circuits of injection oil cylinder operating valve link to each other with standard oil cylinder 9 left chambeies, and an oil circuit is communicated with pressure oil.Pressurizing cylinder 13 left chambeies link to each other with oil sump 23 through pressurized cylinder operating valve 14, pressurized cylinder reversal valve 16.The chamber, the left and right sides of standard oil cylinder 9 communicates by injection oil cylinder operating valve 17.Blanking oil motor operating valve 18 one tunnel links to each other with pressure oil, and one the tunnel links to each other with blanking oil motor 15.Oil sump 21 is arrived through blanking oil motor operating valve 18, counterbalance valve 20 in pressurizing cylinder 13 left chambeies.
Pressurizing cylinder 13 of the present utility model and standard oil cylinder 9 are on same axis, and its two piston rods 3 are assembled into an integral body, and the injection right side that 4～10 long bolts of pressurizing cylinder 13 usefulness are fixed on standard oil cylinder 9 covers.Pressurizing cylinder 13 is a changeable individual components.Standard oil cylinder 9 has only the work of left chamber, and right chamber and return line normal open by pressurizing cylinder 13 1 sides use four fuel taps to realize following five kinds of actions.
During the standard injection, valve 14, b position, valve 17, b position, pressure oil enters injection oil cylinder 9 left chambeies through valve 17, promotes piston and moves right.Pressurizing cylinder 13 left chamber fluid are communicated with pressurizing cylinder 13 right chambeies through valve 14,16.
During the supercharging injection, valve 16, b position, valve 17, b position, pressure oil enters standard injection oil cylinder 9 left chambeies through valve 17, and pressure oil enters pressurizing cylinder 13 left chambeies through valve 16, and two cylinders are worked simultaneously, pressurizing cylinder 13 right chamber fluid can make injection pressure improve 70% through valve 16 oil return ponds.
The quick injection of low pressure, valve 16, b position, pressure fuel tap 16 enters pressurizing cylinder 13 left chambeies, and other each chambeies all are communicated with oil sump.Injection pressure is reduced to 70%, and injection speed improves about 1 times.
When falling the rope, valve 16, a position, pressure oil enters pressurizing cylinder 13 right chambeies through valve 16, drive injection screw to left movement, retreat, pressurizing cylinder 13 left chamber fluid are through valve 14,16 oil return ponds 23, standard oil cylinder 9 left and right chambeies are communicated with through valve 17.
During blanking, valve 18, b position, pressure oil promotes oil motor 15 rotations through valve 18, drives the injection screw rotation, and the sizing material right side is pushed away, to injection mouth reaction force injection screw is retreated left, pressurizing cylinder 13 left chamber fluid to counterbalance valve 20, must reach certain pressure through valve 18, and counterbalance valve 20 is opened and could be moved, obtain accurate and sensitive blanking back pressure effect, avoid air to enter in the plastic rubber material.
The utility model adopts the unique control oil circuit to cooperate with it, make the user obtain supercharging, standard, the quick three kinds of injection pressure of low pressure and injection speed easily, its pressure ratio is 1.7: 1: 0.7, add the stepless voltage regulation of electro-hydraulic proportional valve, greatly widened the adjustable range of injection parameter, the adaptability of processing plastic part greatly strengthens, and the operator can both be tackled various products handyly, and processing other type can't product processed.Use a three-position four-way valve, two two-position four-way solenoid valves are realized three kinds of duties of two serial oil cylinders dexterously, its design exquisite, and oil circuit is simple and reliable, unique really.
Be elaborated below in conjunction with drawings and Examples:
Fig. 1: general injection machine injection loop;
Fig. 2: structure of the present utility model and oil circuit figure;
Fig. 3: machine outline drawing of the present utility model;
Fig. 4: injection moulding circular chart of the present utility model.
According to Fig. 2-4: the injection machine of a kind of pair of composite cylinder injection and control oil circuit, mould part 6 and injection part 8 are formed by unblanking, injection part 8 is made up of standard oil cylinder 9, sliding seat 10, injection mouth 11 and frame 12, sets up pressurizing cylinder 13 and control loop at standard oil cylinder 9 by a side of injection mouth 11; Pressurizing cylinder is by supercharging injection flange 1,5, and supercharging injection piston 2, supercharging injection piston rod 3, supercharging injection cylinder barrel 4, supercharging injection piston rod nut 7 constitute; The control oil circuit is made of pressurized cylinder operating valve 14, blanking oil motor 15, pressurized cylinder reversal valve 16, injection oil cylinder operating valve 17, blanking oil motor operating valve 18, back pressure oil pressure gauge 19, counterbalance valve 20, oil sump 21, oil cooler 22 and oil sump 23; Supercharging injection piston rod 2 passes in the middle of the right side lid of supercharging injection forward flange 5 and standard oil cylinder 9, and supercharging injection piston 2 is socketed on the supercharging injection piston rod 3.
Pressurizing cylinder 13 of the present utility model and standard oil cylinder 9 are on same axis, and its two piston rods 3 are assembled into an integral body, and the injection right side that 4～10 long bolts of pressurizing cylinder 13 usefulness are fixed on standard oil cylinder 9 covers.Pressurizing cylinder 13 is a changeable individual components.Standard oil cylinder 9 has only the work of left chamber, and right chamber and return line normal open by pressurizing cylinder 13 1 sides use four fuel taps to realize following five kinds of actions.
During the standard injection, valve 14, b position, valve 17, b position, pressure oil enters standard oil cylinder 9 left chambeies through valve 17, promotes piston and moves right.Pressurizing cylinder 13 left chamber fluid are communicated with pressurised oil 13 right chambeies through valve 14,16.
During the supercharging injection, valve 16, b position, valve 17, b position, pressure oil enters standard injection oil cylinder 9 left chambeies through valve 17, and pressure oil enters pressurizing cylinder 13 left chambeies through valve 16, and two cylinders are worked simultaneously, pressurizing cylinder 13 right chamber fluid can make injection pressure improve 70% through valve 16 oil return ponds.
The quick injection of low pressure, valve 16, b position, pressure fuel tap 16 enters pressurizing cylinder 13 left chambeies, and other each chambeies all are communicated with oil sump.Injection pressure is reduced to 70%, and injection speed improves about 1.
When falling the rope, valve 16, a position, pressure oil enters pressurised oil 13 right chambeies through valve 16, drive injection screw to left movement, retreat, pressurizing cylinder 13 left chamber fluid are through valve 14,16 oil return ponds 23, standard oil cylinder 9 left and right chambeies are communicated with through valve 17.
During blanking, valve 18, b position, pressure oil promotes oil motor 15 rotations through valve 18, drives the injection screw rotation, pushes sizing material to the injection mouth, reaction force retreats injection screw left, pressurizing cylinder 13 left chamber fluid to counterbalance valve 20, must reach certain pressure through valve 18, and counterbalance valve 20 is opened and could be moved, obtain accurate and sensitive blanking back pressure effect, avoid air to enter in the plastic rubber material.
Claims (2)
1, the injection machine of a kind of pair of composite cylinder injection and control oil circuit, mould part (6) and injection part (8) is formed by unblanking, injection part (8) is made up of standard oil cylinder (9), sliding seat (10), injection mouth (11) and frame (12), it is characterized in that setting up pressurizing cylinder (13) and control loop at standard oil cylinder (9) by a side of injection mouth (11); Pressurizing cylinder is lived by supercharging injection flange (1) (5), supercharging injection piston (2), supercharging injection and is matched bar (3), supercharging injection cylinder barrel (4), supercharging injection piston rod nut (7) formation; The control oil circuit is made of pressurized cylinder operating valve (14), blanking oil motor (15), pressurized cylinder reversal valve (16), injection oil cylinder operating valve (17), blanking oil motor operating valve (18), back pressure oil pressure gauge (19), counterbalance valve (20), oil sump (21), oil cooler (22) and oil sump (23); Supercharging injection forward flange (5) and supercharging injection flange (1) are socketed in supercharging injection cylinder barrel (4) two ends respectively, supercharging injection piston rod (3) passes in the middle of the left side lid of supercharging injection forward flange (5) and standard oil cylinder (9), supercharging injection piston (2) is socketed on the supercharging injection piston rod (3), and pressurizing cylinder (13) is fixed together by the right side lid of long bolt (24) with standard oil cylinder (9); Supercharging injection piston rod (3) and injection piston rod are by supercharging injection piston rod nut (7), injection piston and several high-strength bolt is affixed is integral; (14) oil circuits of pressurized cylinder operating valve in the control oil circuit link to each other with the left chamber of pressurizing cylinder (13), and an oil circuit links to each other with pressurized cylinder reversal valve (16), and pressurized cylinder reversal valve (16) links to each other with the right chamber of pressurizing cylinder (13); Pressurized cylinder reversal valve (16) also links to each other with pressure oil and the left chamber of pressurizing cylinder (13) respectively; Pressurized cylinder reversal valve (16) also links to each other with oil sump; (17) oil circuits of injection oil cylinder operating valve link to each other with the left chamber of standard oil cylinder (9), and an oil circuit is communicated with pressure oil; The left chamber of pressurizing cylinder (13) links to each other with oil sump (23) through pressurized cylinder operating valve (14), pressurized cylinder reversal valve (16); The chamber, the left and right sides of standard oil cylinder (9) is communicated with by injection oil cylinder operating valve (17); Blanking oil motor operating valve (18) one tunnel links to each other with pressure oil, and one the tunnel links to each other with blanking oil motor (15); Oil sump (21) is arrived through blanking oil motor operating valve (18), counterbalance valve (20) in the left chamber of pressurizing cylinder (13).
2, the injection machine of a kind of pair of composite cylinder injection according to claim 1 and control oil circuit is characterized in that described is that long bolt (24) is 4～10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98202170 CN2353509Y (en) | 1998-03-13 | 1998-03-13 | Injection moulding machine with double compound cylinders for plastic-injection and control oil-path |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98202170 CN2353509Y (en) | 1998-03-13 | 1998-03-13 | Injection moulding machine with double compound cylinders for plastic-injection and control oil-path |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2353509Y true CN2353509Y (en) | 1999-12-15 |
Family
ID=33959274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98202170 Expired - Fee Related CN2353509Y (en) | 1998-03-13 | 1998-03-13 | Injection moulding machine with double compound cylinders for plastic-injection and control oil-path |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2353509Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029366A (en) * | 2014-06-12 | 2014-09-10 | 浙江大学 | Energy-saving hydraulic control device of hydraulic injection molding machine |
| CN104859119A (en) * | 2015-05-14 | 2015-08-26 | 大连理工大学 | High-pressure injection module for ordinary hydraulic injection molding machines |
| WO2017114442A1 (en) * | 2015-12-29 | 2017-07-06 | 博创智能装备股份有限公司 | Brake control oil circuit |
| CN112936777A (en) * | 2021-01-27 | 2021-06-11 | 彭胜勇 | Injection mold driving equipment of injection molding machine |
-
1998
- 1998-03-13 CN CN 98202170 patent/CN2353509Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104029366A (en) * | 2014-06-12 | 2014-09-10 | 浙江大学 | Energy-saving hydraulic control device of hydraulic injection molding machine |
| CN104859119A (en) * | 2015-05-14 | 2015-08-26 | 大连理工大学 | High-pressure injection module for ordinary hydraulic injection molding machines |
| WO2017114442A1 (en) * | 2015-12-29 | 2017-07-06 | 博创智能装备股份有限公司 | Brake control oil circuit |
| CN112936777A (en) * | 2021-01-27 | 2021-06-11 | 彭胜勇 | Injection mold driving equipment of injection molding machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1286600C (en) | Method and drive system for control/regulation of linear pressure/cast movement | |
| CN1081528C (en) | Die clamp for injection moulding machine | |
| CN101239373B (en) | Vertical pressure charging press-shoot system | |
| CN1817611A (en) | Injection machine system with electromechanical liquid composite control | |
| CN102639881B (en) | Kinematic control in a hydraulic system | |
| CN2353509Y (en) | Injection moulding machine with double compound cylinders for plastic-injection and control oil-path | |
| EP0740992B1 (en) | Plastic injection moulding machine with rotational and linear drive | |
| CN1435290A (en) | Method and device for controlling sliding table of friction welding machine | |
| CN201168774Y (en) | Vertical supercharging injection system | |
| CN1721162A (en) | Drive method for production machine | |
| EP0058926B1 (en) | Mould closing means | |
| CN1730999A (en) | Quantitative grease filling machine for sealed low noise bearing | |
| CN1039753A (en) | Dual dynamic model injection make-up machine | |
| CN200951632Y (en) | Sliding-block mechanism of punching pressing machine | |
| CN217107625U (en) | Injection molding machine oil return backpressure governing system | |
| CN2474763Y (en) | Crane hydraulic device | |
| CN100473514C (en) | Multifunctional plastic jetting-molding machine | |
| AT524891B1 (en) | Hydraulic drive device for a shaping machine | |
| CN2357900Y (en) | Turn-table injection machine hydraulic equipment | |
| CN1236697A (en) | Tiebar structure for injection molding machine | |
| CN2442815Y (en) | Single-head hydraulic deep-blank rolling shaper | |
| CN2818870Y (en) | Hydraulic system | |
| CN113110301A (en) | Servo control complete equipment | |
| CN2460239Y (en) | Non-mould multi-point forming device for plate | |
| CN2052458U (en) | Energy saving hydraulic pressure installation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |