CN2065543U - Injection moulding mahcine with two moving mould - Google Patents
Injection moulding mahcine with two moving mould Download PDFInfo
- Publication number
- CN2065543U CN2065543U CN 89215382 CN89215382U CN2065543U CN 2065543 U CN2065543 U CN 2065543U CN 89215382 CN89215382 CN 89215382 CN 89215382 U CN89215382 U CN 89215382U CN 2065543 U CN2065543 U CN 2065543U
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- injection
- oil cylinder
- pull bar
- template
- piston
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The utility model relates to an injection moulding machine with two moving moulds, which is composed of a mould matching system, an injection device, a hydraulic system and an electronic control system. Only two moving moulds are utilized to continuously complete technology operation processes such as mould matching (or mould unloading), integral move (or integral retreat), injection and other works under the actions of the same oil cylinder; thus, the actions do not need to be changed, the counterforce of injection force participates the mode locking, and the locking force is large. The utility model has the advantages of short whole machine length, small size, compact structure and low manufacture cost. The utility model is not only suitable for plunger type or screw type injection molding machines, but is also suitable for the manufacture of injection molding machines and precise injection machines with various special purposes.
Description
The present invention relates to a kind of novel injection (mo(u)lding) machine, it can be used for the injection moulding of processing plastic, rubber and plastic material.
Traditional injection (mo(u)lding) machine generally is made up of mold closing mechanism, injection device, hydraulic system, electric-control system, wherein mold closing mechanism and injection device mostly are independent separately, seldom connect, thereby do not get in touch between injection force and the mold clamping force, the reaction force of injection force can not participate in locked mode, in mold closing mechanism, no matter be mechanical hydraulic-pressure type or full hydraulic, they all need three or more template, wherein two major diameter oil cylinder locked modes that template is fixed full hydraulic need during manufacturing to process the major diameter oil cylinder with heavy duty machine tools.Pass in and out most existing a kind of four cylinder mold closing mechanisms, it is divided into four little cylinders to a major diameter oil cylinder and makes, easy to process, this device has only been used two templates, but wherein one fix, die cylinder is contained on the template, for want of support, make the crooked modification of pull bar inevitably and influence operate as normal, because closure pressing speed is slow, need add speedup oil cylinder or supercharging device if will gather way, hydraulic system is more complicated.U.S. Pat 4636167 discloses a kind of new injection (mo(u)lding) machine, the reaction force of the injection force of this machine participates in locked mode, make mold clamping force big, but because this machine needs twice action when matched moulds, increased non-cutting time, motion as flashboard also need have the device (as oil cylinder) that drives ram movement, because of nozzle can not shift out mould, mounting or dismounting plunger and cleaning cast gate inconvenience, can not satisfy the needs of general injection technique, because this machine is not installed spiro driving device, makes its application only limit to small-sized plunger type injector, so be restricted on using.
The objective of the invention is in order to overcome the shortcoming of existing injection (mo(u)lding) machine, provide a kind of and have only two moving platens, only need the dual dynamic model injection make-up machine of the high-speed and high-efficiency that just can finish by the action of oil cylinder one-time continuous from technological action processes such as matched moulds (or die sinking), whole moving (or whole moving back), injections, it is simple in structure, precision is high, mode transfer is convenient, volume is little, and cost easy to manufacture is low.
Dual dynamic model injection make-up machine of the present invention is made up of mold closing mechanism, injection device, hydraulic system and electric-control system, mold closing mechanism is made of template, pull bar, comprehensive oil cylinder, Mode-locking oil cylinder etc., two moving platens are installed on four (or two) parallel pull bar, first moving platen is fixedly mounted on the left end of pull bar and can moves on rack rail with pull bar, second moving platen is installed in the middle part of pull bar, can and can move on rack rail with respect to the pull bar motion.A pair of part mould respectively on described moving platen, the right-hand member of pull bar respectively with coaxial connection of piston of oil cylinder (comprehensive oil cylinder, Mode-locking oil cylinder).The comprehensive oil cylinder that two (or four) become axial symmetry to arrange is fixedly mounted on the retainer and can slides on injection seat, the left end of its piston can be connected with the pull bar right-hand member is coaxial, also can pass second moving platen with the secondary piston bar and fixedly connected with first moving platen.Comprehensive oil cylinder length is a bit larger tham or is equaled the template stroke and adds mould gate and nozzle move distance and injection stroke sum.The Mode-locking oil cylinder (with comprehensive oil cylinder staggered positions) that two (or four) become the diagonal angle axial symmetry to arrange is fixedly mounted on the right side of second template, two coaxial connections of pull bar right-hand member of the left end of its piston and other, the back piston bar of piston right-hand member can slide on injection seat.Comprehensive oil cylinder also can coaxially be connected on the same pull bar with Mode-locking oil cylinder, and the back piston bar of Mode-locking oil cylinder is connected with the piston of comprehensive oil cylinder.Injection device is made of nozzle, barrel, screw rod, injection seat and retainer, one cover nozzle, barrel, screw rod is at the injection (mo(u)lding) machine center and be packed on the injection seat, screw rod can rotate in barrel and slide, the drive unit of screw rod comprises power transmission shaft, bearing, oil motor (or motor, reduction box), it is fixedly mounted on the retainer, injection seat is between retainer and Mode-locking oil cylinder, have one to be to be fixed on the frame in retainer and the injection seat, another then can move on rack rail.
Feature of the present invention is to have only two templates in mold closing mechanism, and two templates can be moved; When comprehensive oil cylinder one end constantly advances hydraulic oil, its piston motion can drive pull bar and finish technological action processes such as matched moulds (or die sinking), whole moving (or whole moving back), injection continuously, does not need each action is changed.
Below in conjunction with accompanying drawing the present invention is described in further detail.
Fig. 1 is a structure chart of the present invention, mold closing mechanism is by template (1), (2), pull bar (3), (7), comprehensive oil cylinder (4), Mode-locking oil cylinder compositions such as (8), injection device is by nozzle (13), barrel (14), screw rod (15), injection seat (17), retainer compositions such as (18), have only two templates (1) in the mold closing mechanism, (2), template (1), template (2) all can go up motion at rack rail (22), two pull bar (3) that becomes the diagonal angle axial symmetry to arrange becomes the diagonal angle axial symmetry to arrange with two pull bars (7), they are parallel to each other, template (1) is fixedly mounted on pull bar (3) with nut (20), (7) left end also can be with pull bar (3), (7) along rack rail (22) to template (2) direction back and forth movement, template (2) is contained in pull bar (3) middle part, pull bar (7) right-hand member, it is pull bar (3) relatively, (7) motion also can be along rack rail (22) to nozzle (13) direction back and forth movement, a positioning key (23) is contained on the rack rail (22) on template (2) left side, and template (2) is located when retreating.Two comprehensive oil cylinders (4) that become the diagonal angle axial symmetry to arrange are fixedly mounted on retainer (18) and go up also and can slide in the fairlead (19) on the injection seat (17), its piston (5) one ends and pull bar (3) the coaxial connection of right-hand member, another termination back piston bar (6), the length of comprehensive oil cylinder (4) can be a bit larger tham or equal the template stroke and add mould gate and nozzle move distance and injection stroke sum.Two Mode-locking oil cylinders (8) that become the diagonal angle axial symmetry to arrange are fixedly mounted on the right side of template (2), left end of its piston (9) and pull bar (7) the coaxial connection of right-hand member, the back piston bar (10) of right-hand member can slide in the fairlead (24) on the injection seat (17).Injection seat (17) is positioned between Mode-locking oil cylinder (8) and the retainer (18), if retainer (18) is fixed on the frame, then injection seat (17) can be gone up motion at rack rail (22), otherwise, if injection seat (17) is fixed on the frame, then retainer (18) can be gone up motion at rack rail (22).Barrel (14) is in the center of injector and be packed in the injection seat (17) in the heart, nozzle (13) is installed in barrel (14) left end, screw rod (15) is inserted in the barrel (14) and can rotates in barrel (14) and slide, spiro driving device (16) is packed on the retainer (18), positive mold (11) is contained on the template (1), female mold (12) is contained on the template (), ejects oil cylinder (21) and is installed on the template (1).
Further narrate below in conjunction with 1～5 pair of technological action process of the present invention of accompanying drawing.
The matched moulds process: hydraulic oil enters the left end hydraulic fluid port of comprehensive oil cylinder (4), right-hand member hydraulic fluid port connecting to neutral position fuel tank, this moment Mode-locking oil cylinder (a 8) left side, the equal connecting to neutral of right-hand member hydraulic fluid port position fuel tank, the piston (5) that hydraulic oil promotes comprehensive oil cylinder (4) moves right, drive pull bar (3) and template (1) and do the matched moulds motion to the direction of template (2), the piston (9) of Mode-locking oil cylinder this moment (8) moves right simultaneously, when two moulds (11), when (12) contact is closed, Mode-locking oil cylinder (8) left end hydraulic fluid port improves hydraulic oil, under the hydraulic oil effect, piston (9) is applied to two templates (1) by pull bar (7) with clamp force, (2) on, make mould (11), (12) compress (as Fig. 2).
Whole move past journey be template to the motion of nozzle direction and make nozzle and die feeding cast gate hold out against process: be right after said process, comprehensive oil cylinder (4) left end hydraulic fluid port continues into hydraulic oil, piston (5) continues to move right, continue to move to nozzle (13) direction under pull bar (3) drives in two templates (1) of having locked, (2), make nozzle (13) hold out against the charging cast gate (as Fig. 3) of mould (12), nozzle this moment (13) is opened.
Injection process: be right after said process, comprehensive oil cylinder (4) left end hydraulic fluid port continues into hydraulic oil, piston (5) continues to move right, pull bar (3) drives template (1), (2) move right, compressing barrel (14) and injection seat (17) move right, because the spiro driving device (16) that screw rod (15) connects is fixed on the retainer (18) and can not moves right, so screw rod (15) in barrel (14) relatively to left movement, the material that fusion is good is oppressed to be injected into (as Fig. 4) in the die cavity with high-voltage high-speed, and the reaction force of injection force is participated in locked mode.
After pressurize, process for cooling finish, left end hydraulic fluid port reconfiguration zero-bit fuel tank with comprehensive oil cylinder (4), the right-hand member hydraulic fluid port improves hydraulic oil, the left and right end hydraulic fluid port of Mode-locking oil cylinder (8) connecting to neutral position fuel tank, then can finish above-mentionedly opposite wholely move back, technological action process such as die sinking.Like this, when comprehensive oil cylinder (4) one ends constantly advance hydraulic oil, the continuous motion of the piston (5) of comprehensive oil cylinder (4) can drive pull bar (3) and finish technological action processes such as matched moulds (or die sinking), whole moving (or whole moving back), injection continuously, does not need each action is changed.
Following table is the control table of hydraulic drive operation program.
| Code name among Fig. 5 | The technological action program | DT 1 | DT 2 | DT 3 | DT 4 | DT 5 | DT 6 | |
| A | Matched moulds | Slow speed | ＋ ＋ ＋ | （＋） | ||||
| B C D E F G H I | High-voltage lock mould is whole to be moved injection pressurize cooling and moulds in advance the whole mould of backing out and eject and return | ＋ | ＋ | ＋ ＋ ＋ ＋ （＋） （＋） （＋） | ＋ ＋ ＋ ＋ | ＋ | ＋ ＋ | |
Annotating (+) uses for selecting
Fig. 8 is an another embodiment of the present invention, and comprehensive oil cylinder (4) can coaxially be connected on same pull bar (3) or (7) with Mode-locking oil cylinder (8), and the back piston bar (10) of Mode-locking oil cylinder (8) is connected with the piston (5) of comprehensive oil cylinder (4).
Fig. 1 is a structure chart of the present invention (being in die opening state).
View when Fig. 2 is in the matched moulds state for the present invention.
Fig. 3 is the whole view that moves when finishing for the present invention is in.
View (retainer is fixed) when Fig. 4 finishes for the present invention is in injection.
Fig. 5 is hydraulic transmission principle figure of the present invention.
Fig. 6 is the A-A cutaway view.
View (injection seat is fixed) when Fig. 7 finishes for the present invention is in injection.
Fig. 8 is that oil cylinder of the present invention is contained in the view on the pull bar together.
The invention has the advantages that:
1, the technological actions such as matched moulds (or die sinking), whole moving (or whole moving back), injection are continuous, avoid the conversion of moving and the hydraulic shock of generation, easily are automated.
2, the reaction force of injection force participation clamp force is big, and clamp force is big.
3, have only two templates, shorten complete machine length and weight greatly, compact conformation, production cost reduces.
4, hydraulic circuit is simple, and valve member is few, for ease of maintenaince maintenance.
5, not only be applicable to notes plug formula and screw-type injection molding machine, also applicable to injector and the precise injection machine of making various specific uses.
Claims (4)
1, a kind of dual dynamic model injection make-up machine, comprise by template, pull bar, comprehensive oil cylinder, the mold closing mechanism that Mode-locking oil cylinder etc. constitute, by nozzle, barrel, screw rod, injection seat, the injection device that retainer etc. constitute, and hydraulic system and electric control system etc. are partly formed, it is characterized in that in mold closing mechanism, be installed in four (or two) and become the parallel pull bar (3) of diagonal angle axial symmetry, (7) have only two templates (1) on, (2), template (1) is fixed on pull bar (3), (7) left end also can be with pull bar (3), (7) along rack rail (22) to template (2) direction back and forth movement, template (2) is installed in pull bar (3), (7) middle part also can be along rack rail (22) to nozzle (13) direction back and forth movement; The comprehensive oil cylinder (4) that two (or four) become the diagonal angle axial symmetry to arrange is fixedly mounted on the retainer (18), and can go up at injection seat (17) and slide, the coaxial connection of right-hand member of the left end of its piston (5) and pull bar (3); The Mode-locking oil cylinder (8) that two (or four) become the diagonal angle axial symmetry to arrange is fixedly mounted on template (2) right side, its piston (9) left end and coaxial connection of pull bar (7), and the back piston bar (10) of right-hand member can be gone up at injection seat (17) and slide.When comprehensive oil cylinder (4) one ends constantly advance hydraulic oil, the motion of its piston (5) can drive pull bar (3) and finish matched moulds (or die sinking), whole moving (or whole moving back), injection technique course of action continuously.
2, injection (mo(u)lding) machine according to claim 1, the length that it is characterized in that comprehensive oil cylinder (4) be a bit larger tham or equal template (1), (2) stroke adds mould (12) cast gate and nozzle (13) move distance and injection stroke sum.
3, injection (mo(u)lding) machine according to claim 1, it is characterized in that injection seat (17) is positioned between Mode-locking oil cylinder (8) and the retainer (18), if retainer (18) is fixed on the frame, then injection seat (17) can be gone up motion at rack rail (22), if injection seat (17) is fixed on the frame, then retainer (18) can be gone up motion at rack rail (22).
4, injection (mo(u)lding) machine according to claim 1 is characterized in that comprehensive oil cylinder (4) and Mode-locking oil cylinder (8) can coaxially be connected on same pull bar (3) or (7), and back piston bar (10) right-hand member is connected with piston (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89215382 CN2065543U (en) | 1989-08-14 | 1989-08-14 | Injection moulding mahcine with two moving mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89215382 CN2065543U (en) | 1989-08-14 | 1989-08-14 | Injection moulding mahcine with two moving mould |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2065543U true CN2065543U (en) | 1990-11-14 |
Family
ID=4870988
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89215382 Expired - Lifetime CN2065543U (en) | 1989-08-14 | 1989-08-14 | Injection moulding mahcine with two moving mould |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2065543U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305656C (en) * | 2003-03-12 | 2007-03-21 | 发那科株式会社 | Mold closing mechanism of mold making machine |
| CN1330443C (en) * | 2004-07-23 | 2007-08-08 | 天津市天锻压力机有限公司 | System of hydraulic pressure controlling for fast ocking die of semisolid forming hydraulic pressure machine |
| CN104029332A (en) * | 2014-06-19 | 2014-09-10 | 广西职业技术学院 | Injection molding machine |
-
1989
- 1989-08-14 CN CN 89215382 patent/CN2065543U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1305656C (en) * | 2003-03-12 | 2007-03-21 | 发那科株式会社 | Mold closing mechanism of mold making machine |
| CN1330443C (en) * | 2004-07-23 | 2007-08-08 | 天津市天锻压力机有限公司 | System of hydraulic pressure controlling for fast ocking die of semisolid forming hydraulic pressure machine |
| CN104029332A (en) * | 2014-06-19 | 2014-09-10 | 广西职业技术学院 | Injection molding machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |