CN102773969B - Pushing-out and rotating structure of double-colored injection mould - Google Patents
Pushing-out and rotating structure of double-colored injection mould Download PDFInfo
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- CN102773969B CN102773969B CN201210290513.1A CN201210290513A CN102773969B CN 102773969 B CN102773969 B CN 102773969B CN 201210290513 A CN201210290513 A CN 201210290513A CN 102773969 B CN102773969 B CN 102773969B
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- push rod
- pushing
- rotating shaft
- gripper shoe
- dynamic model
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Abstract
The invention provides a pushing-out and rotating structure of a double-colored injection mould. The pushing-out and rotating structure comprises a fixed model cavity plate, a movable template, a movable die supporting plate, a movable die bottom plate, a movable core body and a pushing-out mechanism, wherein the pushing-out mechanism is provided with an ejection rod, a first pushing-out assembly and two second pushing-out assemblies; a rotating shaft is arranged in central holes of the movable template and the movable die supporting plate; one end of the rotating shaft is fixedly connected with the movable core body, and the other end of the rotating shaft is fixedly provided with a connecting piece; the connecting piece is movably connected with the ejection rod; the movable core body is provided with two symmetrical piece pushing cavities, and the two second pushing-out assemblies are respectively arranged in the two piece pushing cavities; the first pushing-out assembly comprises a first push rod, and the front end of the first push rod abuts against the second pushing-out assembly on the same side with the first push rod; a pushing-out control mechanism is connected between the movable die supporting plate and the first pushing-out assembly; and a cavity of the movable die supporting plate is internally provided with a transmission mechanism for driving the rotating shaft to rotate. The pushing-out and rotating structure of the double-colored injection mould has a simple structure and reliable performance.
Description
Technical field
The present invention relates to release and the rotational structure of double color injection mould.
Background technology
In two clear injection moulding moulds, there is the whirligig that adopts rotary shaft.The utility model of China Patent No. ZL 03272743.7 (Granted publication CN 2647550Y) discloses a kind of shaft double-color forming machine, what adopt is exactly the whirligig of rotary shaft, utilize a rotatable central rotating shaft to drive a male model to change between two shaping positions, die on male model can be changed because of male model position, corresponding with two die cavitys on master mold at different time, so that the double-colored products formed of moulding.This rotating shaft unit can be subject to the driving revolution of a rotation controling mechanism, also can be subject to the control transverse shift of a traversing controlling organization, and rotating shaft unit can not interfered when carrying out the actions such as traversing and revolution to each other mutually.China Patent No. ZL200810059289.9(Granted publication CN100584570C) patent of invention has disclosed the structure of driven mold rotation in a kind of multi-color injection molding machine, comprises moving platen, rotating shaft, and rotating shaft activity is through moving platen; In rotating shaft, along its axially spaced-apart, offer a plurality of guiding straight troughs, between two adjacent guiding straight troughs, by a helicla flute, be communicated with, each spiral fluted hand of spiral is consistent; Moving platen rear portion be relatively fixed with quantity identical with guiding straight trough, can be in each leads straight trough and helicla flute a plurality of guide fingers of slippage relatively; Front portion in each straight trough that leads has and corresponding guide finger can be controlled to the retaining wall in corresponding helicla flute from this guiding straight trough.When rotating shaft axial advancement, at each alignment pin and each, lead under straight trough, each helicla flute mating reaction, can make the relative moving platen Rotate 180 of rotating shaft, and then drive core or dial rotation 180, after rotating shaft, move, by each alignment pin, in each guiding straight trough mating reaction, after rotating shaft steadily, do not moved and can rotate, final realization changes die cavity object.
In injection (mo(u)lding) machine, generally all have plastic and running gate system from die cavity or ejecting mechanism that core takes off.
Shaft double-color forming machine in above-mentioned ZL03272743.7. patent, its rotating shaft is rotated and traversingly by two controlling organizations, is controlled respectively.If adopt the die rotary mechanism of said structure, then be provided with ejecting mechanism, complete machine structure is more complicated.Traversing and the revolution of the rotating shaft in above-mentioned ZL200810059289.9 patent is to rely on guiding straight trough, helicla flute in rotating shaft to coordinate, the traversing of rotating shaft and revolution are carried out in order, although omitted the mechanism of a set of rotating shaft rotation, but the structure of rotating shaft is more complicated, processing request is very high, and ejecting mechanism need to be set.
Summary of the invention
The object of the invention is to propose a kind of and ejecting mechanism in conjunction with release and the rotational structure of, bicolor injection mould simple in structure.
For achieving the above object, the present invention takes following technical scheme: release and the rotational structure of the double color injection mould that the present invention proposes, comprise the cover half cavity plate setting gradually, moving platen, dynamic model gripper shoe, moving clamping plate and the active type core body in moving platen chamber, comprise in addition ejecting mechanism and die rotary mechanism, described ejecting mechanism has push rod, first releases assembly and two second release assemblies, described die rotary mechanism comprise one with push rod in the rotating shaft in same center line and the chamber in dynamic model gripper shoe for driving the transmission mechanism of rotating shaft rotation, rotating shaft is through the centre bore of moving platen and dynamic model gripper shoe, one end of rotating shaft is fixedly connected with active type core body, the other end is a connection piece fixedly, connector and push rod are dynamically connected, on active type core body, there are two symmetrical push piece chambeies, releasing assembly for two second is separately positioned in two push piece chambeies, first releases assembly comprises and is arranged between dynamic model gripper shoe and moving clamping plate and pine is enclosed within the first fixed head and the first backing plate on push rod, on the first fixed head, be fixed with relatively wherein first push rod in a push piece chamber, the first push rod is by the push-rod hole of dynamic model gripper shoe and moving platen, its front end is against in releasing on the trailing flank of assembly with second of its homonymy, dynamic model gripper shoe and first is released between assembly and is connected with release controlling organization, releasing controlling organization is included in the elastic slide block that can slide laterally between the first fixed head and the first backing plate and is fixed on the control lever in dynamic model gripper shoe, the wedge shape head of control lever inserts in the control hole of elastic slide block, the medial extremity of elastic slide block can insert in the space between rotating shaft and push rod and be pressed on the end face of push rod.
The position that the inwall of described control hole contacts with the wedge shape head of control lever is the lozenges matching.
In the chute that the end face groove of described elastic slide block in the bottom surface of the first fixed head groove and the first backing plate forms, the outside in chute and in elastic slide block is provided with sliding block spring.
Between dynamic model gripper shoe and moving clamping plate, be provided with at least two the first guide pillars, the first fixed head and the first backing plate move along the first guide pillar, and on the first guide pillar, cover has the first back-moving spring.
Described second releases assembly comprises the second fixed head, the second backing plate and is fixed on the second push rod on the second fixed head, and the second push rod is by the push-rod hole on active type core body, the extended push-rod hole of its front end.
On active type core body, be fixed with at least two the second guide pillars, the second fixed head and the second backing plate move along the second guide pillar, and on the second guide pillar, cover has the second back-moving spring.
The present invention combines ejecting mechanism and die rotary mechanism, utilizes and releases the reach action that controlling organization is controlled release assembly, and described the present invention is simple in structure, utilizes mechanical release controlling organization to control and releases and rotation program, dependable performance.Above-mentioned ejecting mechanism, die rotary mechanism and release controlling organization are all arranged on mould inside, thus the double-color mold of application said structure can the forming machine for any routine in.
Accompanying drawing explanation
Fig. 1 is topology view of the present invention.
The specific embodiment
Embodiment 1
The release of a kind of double color injection mould shown in the drawings and rotational structure, comprise the cover half cavity plate 1, moving platen 3, dynamic model gripper shoe 4, moving clamping plate 7 and the active type core body 2 in moving platen 3 chambeies that set gradually, comprise in addition ejecting mechanism and die rotary mechanism.On described dynamic model gripper shoe 4 and moving clamping plate 7, be respectively provided with centre bore, between moving platen 3 and dynamic model gripper shoe 4, by screw, connected.Active type core body 2 is connected by screw and is formed by moving core mainboard 2-1 and moving core backing plate 2-2, and two push piece chamber 2-2-1 of symmetrical rotating shaft 10 are set on moving core backing plate 2-2.Described ejecting mechanism has push rod 9, first and releases assembly 6 and two second release assemblies 5,5.Releasing assembly 5 for two second is separately positioned in two push piece chamber 2-2-1.Corresponding two push piece chamber 2-2-1, have two die cavity positions in cover half cavity plate 1, have two core positions on moving core mainboard 2-1.
Described die rotary mechanism comprise one with push rod 9 in the rotating shaft 10 in same center line and the chamber in dynamic model gripper shoe 4 for driving the transmission mechanism 12 of rotating shaft 10 rotations.One end of rotating shaft 10 is fixedly connected with active type core body 2, the other end of rotating shaft 10 is a connection piece 11 fixedly, and connector 11 and push rod 9 are dynamically connected, and the stage casing of connector 11 exposes, make to there is certain distance between the rear end face of rotating shaft 10 and the front end face of push rod 9, form space.Connector 11 adopts bolt, and in the chamber of bolt head in push rod 9 and for being dynamically connected, bolt tail is screwed in rotating shaft 10.In the chamber of push rod 9, be provided with push rod spring 13.
Described first releases assembly 6 comprises the first fixed head 6-1, the first backing plate 6-2, the first push rod 6-3 and four the first guide pillar 6-4.The first push rod 6-3 can be 1, can be also equally distributed several.Dynamic model gripper shoe 4 and moving clamping plate 7 are enclosed within on push rod 9 by centre bore pine, wherein described the first push rod 6-3 of a push piece chamber 2-2-1 is fixed on the first fixed head 6-1 relatively, on the first fixed head 6-1 and the first backing plate 6-2, be equipped with guide pillar hole, in each guide pillar hole of the first fixed head 6-1 and guide pillar hole corresponding to the first backing plate 6-2, be provided with friction tight guide pin bushing 6-6, the rear portion of the first guide pillar 6-4 is threaded on moving clamping plate 7 through guide pin bushing 6-6, the first guide pillar 6-4 and guide pin bushing 6-6 are for being dynamically connected, the first fixed head 6-1 and the first backing plate 6-2 slide along the first guide pillar 6-4, the upper cover of the first guide pillar 6-4 has the first back-moving spring 6-5.Above-mentioned the first push rod 6-3 stretches out by the push-rod hole of dynamic model gripper shoe 4 and moving platen 3, and its front end is against in releasing on the trailing flank of assembly 5 with second of its homonymy.
Described second releases assembly 5 comprises the second fixed head 5-1, the second backing plate 5-2, the second push rod 5-3 and four the second guide pillar 5-4, the second push rod 5-3 can be 1, also can be equally distributed several, the second push rod 5-3 is fixed on the second fixed head 5-1, the second push rod 5-3 is by the push-rod hole on active type core body 2, the extended push-rod hole of its front end.On the second fixed head 5-1 and the second backing plate 5-2, be equipped with at least two guide pillar holes, described the second guide pillar 5-4 is through guide pillar hole and guide pillar hole corresponding to the second backing plate 5-2 of the second fixed head 5-1, the second guide pillar 5-4 adopts bolt, bolt head is moving to be engaged in the guide pillar hole of the second backing plate 5-2, tailing screw flight is connected on moving core mainboard 2-1, the second fixed head 5-1 and the second backing plate 5-2 slide along the second guide pillar 5-4, and the upper cover of the second guide pillar 5-4 has the second back-moving spring 5-5.
Dynamic model gripper shoe 4 and first is released between assembly 6 and is connected with and releases controlling organization 8, releases controlling organization 8 and comprises elastic slide block 8-1, control lever 8-2 and sliding block spring 8-3.In the chute that the end face groove of the bottom surface groove of elastic slide block 8-1 in the first fixed head 6-1 and the first backing plate 6-2 forms, elastic slide block 8-1 can be slided laterally between the first fixed head 6-1 and the first backing plate 6-2.Control lever 8-2 is fixed in dynamic model gripper shoe 4, and the wedge shape head of control lever 8-2 inserts in the control hole 8-1-1 of elastic slide block 8-1, and the position that the inwall of control hole 8-1-1 contacts with the wedge shape head of control lever 8-2 is the lozenges 8-1-2 matching.Described sliding block spring 8-3 is in chute and be positioned at the outside of elastic slide block 8-1, and the medial extremity of elastic slide block 8-1 can insert in the space between rotating shaft 10 and push rod 9 and be pressed on the end face of push rod 9.
Driving the transmission mechanism 12 of rotating shaft rotation is rack and pinion drive mechanism, comprise key be connected to gear 12-1 in rotating shaft 10 and with the tooth bar 12-2 of gear 12-1 engagement and the oil cylinder that promotes tooth bar 12-2 motion, in the chamber of dynamic model gripper shoe 4, be provided with the back shaft 12-4 being connected between moving platen 3 and dynamic model gripper shoe 4, back shaft 12-4 is provided with the some bearing 12-3 as roller, and tooth bar 12-2 slides on bearing 12-3.
When the present invention applies, facing to the first push rod 6-3 in two die cavity positions in cover half cavity plate 1 is the second look injection position 1-1.Die sinking after the second look has been injected, cover half cavity plate 1 and moving core mainboard 2-1 depart from, push rod 9 moves forward, because connector 11 and push rod 9 are dynamically connected, connector 11 and push rod 9 are made relative sliding, distance between rotating shaft 10 end face relative with push rod 9 is shortened gradually, now rotating shaft 10 is motionless, push rod 9 promotes the first fixed head 6-1 of the first release assembly 6 by elastic slide block 8-1, and then drive the first push rod 6-3 to move forward, the first push rod 6-3 promotes forward the second fixed head 5-1 of the second release assembly 5, and then promotion the second push rod 5-3 moves forward, the second push rod 5-3 ejects plastic finished product, in the process moving forward at above-mentioned push rod 9, on the one hand under the wedge shape head of control lever 8-2 and the lozenges 8-1-2 acting in conjunction of elastic slide block control hole 8-1-1, elastic slide block 8-1 slides laterally, sliding block spring 8-3 is compressed, when the wedge shape head of control lever 8-2 enters in the control hole 8-1-1 of elastic slide block 8-1 completely, elastic slide block 8-1 disengaging contacts with push rod 9, the first push rod 6-3 and the second push rod 5-3 halt, and now plastic has been ejected, under the effect of the first return spring 6-5, the first fixed head 6-1, the first backing plate 6-2 and the first push rod 6-3 reset, while the second fixed head 5-1, the second backing plate 5-2 and the second push rod 5-3 reset under the second return spring 5-5 effect.On the other hand, rotating shaft 10 starts to move forward under push rod 9 promotes, promote active type core body 2 and release assembly 5 reaches with two second, to suitable distance, the oil cylinder of transmission mechanism 12 is started working, and by tooth bar 12-2 driven gear, 8-1 rotates, make rotating shaft 10 rotations, thereby realize 180 degree rotations of active type core body, exchange two core positions, the core that completes the first look injection is turned on the second colour pattern core position 1-1.Oil cylinder quits work, and push rod 9 drives rotating shaft 10 to retreat to original position, and elastic slide block 8-1 is under sliding block spring 8-3 effect, and its medial extremity can insert in the space between rotating shaft 10 and push rod 9 again and be pressed on the end face of push rod 9, again injection.
Claims (6)
1. the release of a double color injection mould and rotational structure, comprise the cover half cavity plate (1) setting gradually, moving platen (3), dynamic model gripper shoe (4), moving clamping plate (7) and the active type core body (2) in moving platen (3) chamber, comprise in addition ejecting mechanism and die rotary mechanism, it is characterized in that: described ejecting mechanism has push rod (9), first releases assembly (6) and two second release assemblies (5, 5), described die rotary mechanism comprise one with push rod (9) in the rotating shaft (10) in same center line and the chamber in dynamic model gripper shoe (4) for driving the transmission mechanism (12) of rotating shaft (10) rotation, rotating shaft (10) is through the centre bore of moving platen (3) and dynamic model gripper shoe (4), one end of rotating shaft (10) is fixedly connected with active type core body (2), the other end is a connection piece (11) fixedly, connector (11) and push rod (9) are dynamically connected, on active type core body (2), there are symmetrical two push piece chambeies (2-2-1), releasing assembly (5) for two second is separately positioned in two push piece chambeies (2-2-1), first releases assembly (6) comprises and is arranged between dynamic model gripper shoe (4) and moving clamping plate (7) and pine is enclosed within the first fixed head (6-1) and the first backing plate (6-2) on push rod (9), on the first fixed head (6-1), be fixed with relatively wherein first push rod (6-3) in a push piece chamber (2-2-1), the first push rod (6-3) is by the push-rod hole of dynamic model gripper shoe (4) and moving platen (3), its front end is against in releasing on the trailing flank of assembly (5) with second of its homonymy, dynamic model gripper shoe (4) and first is released between assembly (6) and is connected with and releases controlling organization (8), releasing controlling organization (8) is included between the first fixed head (6-1) and the first backing plate (6-2) and the elastic slide block (8-1) that can slide laterally and be fixed on the control lever (8-2) in dynamic model gripper shoe (4), the wedge shape head of control lever (8-2) inserts in the control hole (8-1-1) of elastic slide block (8-1), the medial extremity of elastic slide block (8-1) can insert in the space between rotating shaft (10) and push rod (9) and be pressed on the end face of push rod (9).
2. the release of double color injection mould according to claim 1 and rotational structure, is characterized in that: the position that the inwall of described control hole (8-1-1) contacts with the wedge shape head of control lever (8-2) is the lozenges (8-1-2) matching.
3. the release of double color injection mould according to claim 1 and rotational structure, it is characterized in that: in the chute that the end face groove of the bottom surface groove of described elastic slide block (8-1) in the first fixed head (6-1) and the first backing plate (6-2) forms, the outside in chute and in elastic slide block (8-1) is provided with sliding block spring (8-3).
4. the release of double color injection mould according to claim 1 and rotational structure, it is characterized in that: between dynamic model gripper shoe (4) and moving clamping plate (7), be provided with at least two the first guide pillars (6-4), the first fixed head (6-1) and the first backing plate (6-2) are mobile along the first guide pillar (6-4), and the upper cover of the first guide pillar (6-4) has the first back-moving spring (6-5).
5. the release of double color injection mould according to claim 1 and rotational structure, it is characterized in that: described second releases assembly (5) comprises the second fixed head (5-1), the second backing plate (5-2) and be fixed on the second push rod (5-3) on the second fixed head (5-1), the second push rod (5-3) is by the push-rod hole on active type core body (2), the extended push-rod hole of its front end.
6. the release of double color injection mould according to claim 5 and rotational structure, it is characterized in that: on active type core body (2), be fixed with at least two the second guide pillars (5-4), the second fixed head (5-1) and the second backing plate (5-2) are mobile along the second guide pillar (5-4), and the upper cover of the second guide pillar (5-4) has the second back-moving spring (5-5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210290513.1A CN102773969B (en) | 2012-08-15 | 2012-08-15 | Pushing-out and rotating structure of double-colored injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210290513.1A CN102773969B (en) | 2012-08-15 | 2012-08-15 | Pushing-out and rotating structure of double-colored injection mould |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102773969A CN102773969A (en) | 2012-11-14 |
| CN102773969B true CN102773969B (en) | 2014-07-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210290513.1A Expired - Fee Related CN102773969B (en) | 2012-08-15 | 2012-08-15 | Pushing-out and rotating structure of double-colored injection mould |
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| CN (1) | CN102773969B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103264474B (en) * | 2013-06-06 | 2015-10-21 | 宁波莱力机械有限公司 | A kind of Dual-color rubber injection machine |
| CN104626470B (en) * | 2015-02-11 | 2017-08-15 | 宁波双林模具有限公司 | A kind of double color mould of interior rotating core |
| CN105584001B (en) * | 2015-12-22 | 2018-02-06 | 上海戈冉泊精模科技有限公司 | A kind of injection mould of bicolor plastic cement product |
| CN106166825A (en) * | 2016-08-29 | 2016-11-30 | 武汉燎原模塑有限公司 | A kind of automotive bumper mold Double-ejection bar linkage structure |
| CN106584785B (en) * | 2016-12-30 | 2018-11-09 | 杨正军 | A kind of double-colored clip injection mold of positive and negative |
| CN111633911B (en) * | 2020-06-08 | 2021-02-26 | 东莞顶钧塑胶模具有限公司 | Double-colored product injection mold convenient to drawing of patterns |
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|---|---|---|---|---|
| JP2006082308A (en) * | 2004-09-15 | 2006-03-30 | Takao Kikai Kk | Injection molding machine |
| JP2006334843A (en) * | 2005-05-31 | 2006-12-14 | Takao Kikai Kk | Injection molding machine |
| CN101214718A (en) * | 2008-01-16 | 2008-07-09 | 俞建亮 | Structure for driving mold rotation in dual-color or multi-color injection molding machine |
| CN202318811U (en) * | 2011-09-16 | 2012-07-11 | 东莞劲胜精密组件股份有限公司 | Mould structure with secondary ejection |
-
2012
- 2012-08-15 CN CN201210290513.1A patent/CN102773969B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006082308A (en) * | 2004-09-15 | 2006-03-30 | Takao Kikai Kk | Injection molding machine |
| JP2006334843A (en) * | 2005-05-31 | 2006-12-14 | Takao Kikai Kk | Injection molding machine |
| CN101214718A (en) * | 2008-01-16 | 2008-07-09 | 俞建亮 | Structure for driving mold rotation in dual-color or multi-color injection molding machine |
| CN202318811U (en) * | 2011-09-16 | 2012-07-11 | 东莞劲胜精密组件股份有限公司 | Mould structure with secondary ejection |
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| CN102773969A (en) | 2012-11-14 |
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Effective date of registration: 20151229 Address after: 213000 No. 9 Yulan Road, bell tower, Jiangsu, Changzhou Patentee after: Changzhou crown Auto Trim System Co., Ltd. Address before: 213011 No. 299 South Tongjiang Road, Tianning District, Jiangsu, Changzhou Patentee before: Changzhou Polytechnic College |
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