CN101633227B - Bicolor injection molding machine - Google Patents
Bicolor injection molding machine Download PDFInfo
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- CN101633227B CN101633227B CN2009101016260A CN200910101626A CN101633227B CN 101633227 B CN101633227 B CN 101633227B CN 2009101016260 A CN2009101016260 A CN 2009101016260A CN 200910101626 A CN200910101626 A CN 200910101626A CN 101633227 B CN101633227 B CN 101633227B
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Abstract
The invention relates to a bicolor injection molding machine which comprises a mould clamping mechanism and an injection device. A mould fixing device is arranged between a fixed mould plate and a moving mould plate, wherein the mould fixing device comprises a base and an oscillating platform supported on the base through a turntable bearing; the inner ring of the turntable bearing is fixed on the base, and the outer ring of the turntable bearing is fixed on the oscillating platform; a bull gear engaged with a pinion is fixed on the outer side of the outer ring of the turntable bearing; the pinion is connected with a driving source; a plurality of jacking oil cylinders are vertically positioned between the base and the oscillating platform; and the jacking oil cylinders are fixed on the base and positioned below the turntable bearing. A mechanical position-limit mechanism arranged between the base and the oscillating platform comprises a positioning pin roll and a positioning pin bush, wherein the positioning pin roll is fixed on the oscillating platform; the positioning pin roll is controlled by two positioning oil cylinders arranged in the direction of 180 degrees below the platform; the positioning pin roll is inserted in the positioning pin bush when the platform oscillates in place; the base driven by a driving mechanism moves at the mould moving direction; a moving mould is fixed on the platform; and a fixed mould is respectively fixed on the fixed mould plate and a moving mould plate.
Description
Technical field
The present invention relates to a kind of injection machine, but particularly a kind of has one and is arranged between solid plate and the moving platen and is located away from these two template moving linearlies and the double coloured plastic injection machine of the die fixture of doing suitable, counterclockwise 180 degree swings.
Background technology
Multicomponent injection moulding is the injection (mo(u)lding) machine with two or more injecting units, and with the material of different cultivars or different color and lusters, while or priority are injected and realized product molding in the mould.Can produce color separation goods with this method, or the composite article of multiple plastics, as to can be made into outer be the structural foamed plastic goods etc. of foaming structure for sclerderm, internal layer with multicolour.
Existing double coloured plastic injection machine mainly is divided into three major types: colour mixture injection machine, interlayer injection machine, clear double coloured plastic injection machine.Colour mixture injection machine utilization combining nozzle cooperates the plastics interflow of two groups of injecting units with machine issuing velocity, pressure, change of time again, and the goods of generation have colour mixture, color variation effect such as layer and decorative pattern gradually; The interlayer injection machine is that the utilization combining nozzle collaborates two retable material equally, makes raw material form core material and top layer material through particular design, the inside and outside layering double team of the goods of generation.
Existing clear double coloured plastic injection machine is divided into two kinds of rotating disc type and rotary shafts.Chinese patent document CN2657906Y has announced a kind of mould whirligig of clear double coloured plastic injection machine, designs for utilizing the clear double-colored goods of the convenient production of existing common injection machine.Its transmission mechanism that rotates by moving platen, rotating circular disk, driven rotary disk, detent mechanism that rotating circular disk locatees and the controlling organization of controlling its location are formed; Rotating circular disk is fixed on the moving platen by turning cylinder; Rotating circular disk marginal belt induction installation; Detent mechanism and transmission mechanism are arranged between moving platen and rotating circular disk, and control corresponding mechanism is arranged between induction installation, detent mechanism and transmission mechanism.
Chinese patent document CN2887568Y announces a kind of turning gear of clear double coloured plastic injection machine.It comprises moving platen; Described moving platen one side is auxiliary template fixedly; The center of moving platen and auxiliary template is provided with the turning cylinder of a band water channel, turning cylinder one end with eject hydraulic jack and be connected, and the branch water jacket of overcoat band cooling water channel: the branch water jacket is positioned on the turning cylinder and with water channel by semi-ring and links to each other; And be enclosed within and eject on the guide post; The turning cylinder other end is by adapter sleeve supporting and radial location, and adapter sleeve is supported by bearing, and bearing holder (housing, cover) is on the fixed cover that is fixed on the auxiliary template: described adapter sleeve is driven by the rotating mechanism that is fixed on the moving platen.
More than the die fixture of two kinds of clear double coloured plastic injection machines relatively be suitable for producing the double-colored goods of small-sized multimode cavity, have simple in structure, advantage such as cost is lower; But certain limitation is arranged, for the double-colored goods that area is big, depth is little of large-scale double-colored goods, particularly platypelloid type; Need the large-scale mould of two covers, the fixture of mould will be very big, and rotary inertia can strengthen with regard to corresponding; The clamp force of so corresponding injection machine is also very big; Cost will be very high, and the dynamic balance performance of die fixture also can straight line descends, and the reliability of quality of item and injection machine also can descend.In addition, very inconvenient for processing, production, the maintenance meeting of part.Therefore, existing double coloured plastic injection machine is difficult to production Large Flat flat pattern two color system article.
Summary of the invention
Technical problem to be solved by this invention is for the above-mentioned deficiency that overcomes prior art a kind of double coloured plastic injection machine to be provided, and its die fixture is convenient and reliable.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Double coloured plastic injection machine comprises clamping, injection device; Between the solid plate of clamping and moving platen, die fixture is set, described die fixture comprises a base and the oscillating platform on base, and described oscillating platform is supported on the base through turntable bearing; The inner ring of turntable bearing is fixed on the base, and the outer ring of turntable bearing is fixed on the oscillating platform, and the outside of outer ring is fixing and the bull gear of pinion; Pinion connects with drive source; Arrange several jacking oil cylinders in vertical direction between base and the oscillating platform, the jacking oil cylinder is fixed on the base, and below turntable bearing; Establish mechanical position limitation mechanism between base and oscillating platform; Mechanical position limitation mechanism comprises alignment pin and set pin sleeve, set pin sleeve) be fixed on the oscillating platform, alignment pin is by two positional cylinder controls that are located at platform below 180 degree directions; The platform swing is just inserted in the set pin sleeve when putting in place, and base is moved along the mould moving direction by drive mechanism; Two pairs of dynamic model partial fixings of double-color mold are on the platform of this die fixture, and the cover half part then is separately fixed on solid plate and the moving platen.
The power of above-mentioned driving base can be two parallel oil cylinders under base, also can be that one group of ball-screw adds servomotor.
Before platform need be swung and rotate, above-mentioned jacking oil cylinder was earlier with in the platform holder, and 180 degree are swung again; After platform puts in place, again platform is lowered, fitted in the big plane of platform and the big plane of base.
Through hole is set in the middle of above-mentioned base and the platform; Pipelines such as the required oil circuit of two cover dynamic model parts, water route, circuit directly insert through through hole, and therefore when platform was done suitable, counterclockwise 180 degree swings, pipeline was swung just passable as long as correspondingly make suitable, counterclockwise 180 degree; Pipelines such as oil circuit, water route, circuit have led in the dynamic model; Need not to come transition with other structure again, saved machine space, reduced the height of complete machine.
Above-mentioned clamping is made up of solid plate, moving platen, pull bar auxiliary support plate, pull bar etc.; Moving platen move through the rapid mould-moving hydraulic oil cylinder driving; The high-voltage lock mould of mould is then implemented through 4 Mode-locking oil cylinders in the solid plate, simultaneously the effect of pull bar double as locking piston.
The guiding mechanism that the base of described die fixture is done to move forward and backward at along continuous straight runs can be a line slideway, operates steadily, and precision is reliable; Also can be slip guide pillar or V-type groove guide rail, precision be low relatively, processed complex some, but cost is low.
Above-mentioned injection device has big young waiter in a wineshop or an inn's cover, and the injection device of big injection volume is arranged in the place ahead of solid plate, and is fixed on one's body the injector, and little injection device then is fixed on the moving platen through gusseted, adopts the injection device of general injection machine commonly used; The injection device of another set of relatively little injection volume is arranged in the back of moving platen, is fixed on the moving platen through a gusseted part.Little injection device and moving platen are fixed together, and the dynamic balance performance of moving platen is improved, and the machine operation is more steadily reliable.
Compared with prior art, the invention has the advantages that:
1, because the dynamic model of two molds partly is installed in the platform top; The cover half part then is installed on moving platen and the solid plate respectively; Can make full use of the clamp force of injection machine like this, lock two molds with the clamp force of a mold, two molds have superposeed on the matched moulds axis; Save clamp force, reached energy-conservation effect; Can also save the space.
2, the mechanical position limitation mechanism of die fixture is simple and reliable.
The present invention is specially adapted to produce the platypelloid type goods of oversized clear double-colored goods, particularly big shaping area.
Description of drawings
Fig. 1 is the front view of embodiment of the invention complete machine.
Fig. 2 is an embodiment of the invention die fixture motion sketch map.
Fig. 3 is an embodiment of the invention die fixture motion diagrammatic top view.
Fig. 4 is Fig. 3 A-A cutaway view, the die fixture cutaway view.
Fig. 5 is base and platform structure vertical view.
Fig. 6 is the A-A cutaway view of Fig. 5, base and deck roof holder structure cutaway view.
Fig. 7 is the B-B cutaway view of Fig. 5, base and platform position limiting structure cutaway view.
Fig. 8 base and platform transmission and location structure vertical view.
Fig. 9 is the A-A cutaway view of Fig. 8, base and platform drive mechanism cutaway view.
Figure 10 is the B-B cutaway view of Fig. 8, base and platform locating structure cutaway view.
Figure 11 is base and platform locating structure graphics.
Figure 12 is the injection device scheme of installation.
Figure 13 is the connected mode in the required oil circuit of dynamic model part, water route.
Figure 14 is the A-A cutaway view of Figure 13.
Mark is following among the figure:
1 pull bar, 2 moving platens, 3 cover half, 4 quick oil cylinder 5 dynamic models 6 cover half
7 solid plates, 8 Mode-locking oil cylinders 9 are penetrated platform header board 10 and are penetrated plate behind the platform
11 injection fuselages, 12 platform driving oil cylinder, 13 platforms, 14 bases, 15 matched moulds fuselages
Plate 19 was penetrated the platform header board after 16 gusseted, 17 pull bar gripper shoes 18 were penetrated platform
20 turntable bearings, 21 line slideways, 22 jacking oil cylinders, 23 jacking oil cylinder pistons
24 spacer pins, 25 spacing collars, 26 supplemental support, 27 CD-ROM drive motors, 28 driving pinions
29 radial bearings, 30 positional cylinders, 31 positional cylinder piston rods, 32 alignment pin
34 fens oil of 33 set pin sleeves, divide water piece 35 mold position circles 36 oil circuits, water route
37 bull gears, 201 turntable bearing outer rings, 202 turntable bearing inner rings
The specific embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Like Fig. 1,2, shown in 3, the dynamic model part 5 of two cover double-color molds is installed on the platform 13, and cover half part 3,6 is installed in respectively on moving platen 2 and the solid plate 7.When mould need be done the die sinking action, under the driving of quick oil cylinder 4, moving platen moved to pull bar gripper shoe 17 directions, and platform 13 also moves under the effect of driving oil cylinder 12 simultaneously, and last die sinking finishes.
Same principle, under the driving of quick oil cylinder 4 and platform driving oil cylinder 17, moving platen 2 also can move to solid plate 7 directions with platform 13, and after moving into place, the band-type brake structure action on the moving platen is connected as a single entity moving platen and pull bar 1.Next Mode-locking oil cylinder 8 actions drive moving platen, pull bar gripper shoe and platform and move to the solid plate direction more together, because the Mode-locking oil cylinder driving force is enough big, so reach the effect of high-voltage lock mould.
Locked mode action finishes, and two covers are installed in penetrating platform header board 9, penetrate plate 10 behind the platform, penetrate platform header board 18, penetrating that the injection device on the plate 19 begins to do action of injection behind the platform of solid plate and moving platen both sides respectively.Injection finishes, and under the effect before and after Mode-locking oil cylinder, quick oil cylinder, the platform driving oil cylinder difference, accomplishes the die sinking action of mould.
Combine Fig. 4, Fig. 5, Fig. 8 again, when first kind of plastics injection finishes.Connect down and will make platform 180 degree swings, that is to say that the dynamic model part 5 of two molds will be intercoursed.Under the effect of jacking oil cylinder 22, on deck roof, make the big plane of big plane of platform and base 14 break away from, and be issued to certain position earlier in the effect of spacing collar 25; Under gear structure 28 effects that CD-ROM drive motor 27 drives, make platform do 180 degree swings again; When the monitoring lower swing of electric eye puts in place; Simultaneously alignment pin 32 and set pin sleeve 33 near, again positional cylinder 30 effects down positional cylinder piston rod 31 stretch out alignment pin 32 insertion set pin sleeves 33; The free degree that platform is rotated limits, and reaches positioning action.Last jacking oil cylinder release, platform are sunk automatically and base is fitted.Two cover dynamic models partly exchange and finish.Next remake locked mode action and action of injection equally, accomplish the production of goods.
As a same reason, make platform remake the purpose that 180 degree swings reach the exchange dynamic model through same action, the direction that is swing is different, is respectively suitable, alternately execution counterclockwise.
Fig. 6 describes the structure and the mode of action of jacking oil cylinder 22 in detail.This oil cylinder is a single-acting cylinder, and under the effect of oil pressure, jacking oil cylinder piston 23 directly holds up turntable bearing 20 inner rings, and spacing collar 25 plays the effect of restriction jacking distance, and general travel settings is about 2mm; After oil pressure was laid down, platform 13 and top mould were because sink under the effect of own wt, until fitting with base 14 naturally.
Fig. 7 describes the connecting mode between turntable bearing 20 inner rings and the base 14 in detail, and centralized positioning is to lean on the concentricity of spacing collar 25 to guarantee that 6 spacer pins 24 play the effect of bearing 20 inner ring anti-rotations.
Fig. 9 has specified the gear-driven frame mode of platform.Bull gear is connected as a single entity with turntable bearing 20, and the outer ring of turntable bearing 20 and platform 13 are fixing, and inner ring connects with base 14.Pinion 28 is fixing through the mode and the CD-ROM drive motor 27 of key connecting, and motor 27 is fixed on below the base 14.Under the effect of oil pressure, hydraulic motor 27 driving pinions 28 drive bull gear again and make platform do 180 degree swings.
Figure 10,11 describes the mechanical positioning mode of platform in detail; When platform rotates; Alignment pin 32 is slided in the half slot of platform reverse side, when putting in place alignment pin 32 and set pin sleeve 33 near, again under the effect of positional cylinder 30; Positional cylinder piston rod 31 stretches out alignment pin 32 is stretched in the set pin sleeve 33, reaches the purpose of mechanical positioning.
Shown in Figure 12, a cover injection device and moving platen are fixed together, and connect through gusseted, on the pull bar gripper shoe, increase a supplemental support 26 again and share weight.
Figure 13, Figure 14 have specified the connected mode in dynamic model part required oil circuit, water route, oil circuit, water route 36 through the center of platform and base be connected to both sides branch oil, divide water piece 34, receive the inlet of corresponding mould again; Then accomplish through mold position circle 35 location of same dynamic model part.
Claims (1)
1. double coloured plastic injection machine comprises clamping, injection device; It is characterized in that: between the solid plate of clamping and moving platen, die fixture is set; Described die fixture comprises a base (14) and the oscillating platform (13) on base, and described oscillating platform is supported on the base through turntable bearing (20), and the inner ring of turntable bearing is fixed on the base; The outer ring of turntable bearing is fixed on the oscillating platform; And the fixing bull gear (37) that meshes with pinion (28) in the outside of outer ring, pinion connects with drive source, arranges several jacking oil cylinders (22) in vertical direction between base and the oscillating platform; The jacking oil cylinder is fixed on the base; And below turntable bearing, establishing mechanical position limitation mechanism between base and oscillating platform, mechanical position limitation mechanism comprises alignment pin (32) and set pin sleeve (33); Set pin sleeve (33) is fixed on the oscillating platform; Alignment pin (32) is by two positional cylinders (30) control that is located at platform below 180 degree directions, and the platform swing is just inserted in the set pin sleeve when putting in place, and base is moved along the mould moving direction by drive mechanism; Two secondary dynamic model parts (5) of double-color mold are fixed on the platform (13) of this die fixture, and cover half part (3,6) then is separately fixed on solid plate and the moving platen.
2. double coloured plastic injection machine according to claim 1; It is characterized in that: described clamping comprises solid plate, moving platen, pull bar gripper shoe; 4 pull bar one ends are fixed on the pull bar gripper shoe, and the other end is fixed on the solid plate, and solid plate is fixed on one's body the clapper die spotting press; The quick oil cylinder that moving platen is enclosed within on the pull bar, distribute through 2 diagonal angles moves and the guiding through 4 pull bars drives, and the shoes that floats is installed in the moving platen below.
3. double coloured plastic injection machine according to claim 1 and 2 is characterized in that: described oscillating platform is spacing by spacing collar.
4. double coloured plastic injection machine according to claim 1 and 2 is characterized in that: the base of described die fixture is established the guiding mechanism that the along continuous straight runs work moves forward and backward.
5. double coloured plastic injection machine according to claim 1 and 2 is characterized in that: through hole is set in the middle of described base and the platform.
6. double coloured plastic injection machine according to claim 1 and 2 is characterized in that: on the pull bar gripper shoe, install a supplemental support (26) additional.
7. double coloured plastic injection machine according to claim 1; It is characterized in that: described injection device has big young waiter in a wineshop or an inn's cover; Big injection device (9,10) is arranged in the place ahead of solid plate, and is fixed on the injection fuselage (11); Little injection device (18,19) then is fixed on the moving platen (2) through gusseted (16).
8. double coloured plastic injection machine according to claim 4 is characterized in that: described dynamic model part is located by the mold position circle (35) on the platform.
9. double coloured plastic injection machine according to claim 5 is characterized in that: described dynamic model part is located by the mold position circle (35) on the platform.
10. double coloured plastic injection machine according to claim 6 is characterized in that: described dynamic model part is located by the mold position circle (35) on the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101016260A CN101633227B (en) | 2009-08-15 | 2009-08-15 | Bicolor injection molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101016260A CN101633227B (en) | 2009-08-15 | 2009-08-15 | Bicolor injection molding machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101633227A CN101633227A (en) | 2010-01-27 |
| CN101633227B true CN101633227B (en) | 2012-10-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009101016260A Active CN101633227B (en) | 2009-08-15 | 2009-08-15 | Bicolor injection molding machine |
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| CN (1) | CN101633227B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103895177B (en) * | 2014-03-25 | 2017-02-08 | 昆山一邦泰汽车零部件制造有限公司 | Double-color mold plate capable of controlling thickness of product |
| CN104589591A (en) * | 2014-12-31 | 2015-05-06 | 苏州市博奥塑胶电子有限公司 | Injection molding mould for injection molding machine |
| CN109968617A (en) * | 2017-12-28 | 2019-07-05 | 海天塑机集团有限公司 | A kind of horizontal rotation clamping of injection molding machine |
| CN114161655B (en) * | 2022-01-25 | 2023-12-08 | 卓德邦科技（深圳）有限公司 | Rotary liquid silica gel full-encapsulation forming die |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2657906Y (en) * | 2003-11-18 | 2004-11-24 | 宁波海天集团股份有限公司 | Mould rotating device of unmixed and colour injection machine |
| CN2887568Y (en) * | 2006-03-17 | 2007-04-11 | 宁波海天集团股份有限公司 | Rotating shaft device of two color plastic injection machine |
-
2009
- 2009-08-15 CN CN2009101016260A patent/CN101633227B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2657906Y (en) * | 2003-11-18 | 2004-11-24 | 宁波海天集团股份有限公司 | Mould rotating device of unmixed and colour injection machine |
| CN2887568Y (en) * | 2006-03-17 | 2007-04-11 | 宁波海天集团股份有限公司 | Rotating shaft device of two color plastic injection machine |
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| Publication number | Publication date |
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| CN101633227A (en) | 2010-01-27 |
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Owner name: HAITIAN PLASTICS MACHINERY LTD. Free format text: FORMER OWNER: NINGBO HAITIAN POWER MACHINERY CO., LTD. Effective date: 20110527 |
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Effective date of registration: 20110527 Address after: 315821 No. 32 Jiangnan Middle Road, Beilun District, Zhejiang, Ningbo Applicant after: Haitian Plastics Machinery Ltd. Address before: 315821 No. 32 Jiangnan Middle Road, Beilun District, Zhejiang, Ningbo Applicant before: Ningbo Haitian Shili Machine Co., Ltd. |
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