CN103434085A - Automatic side gate pull-apart mechanism for two-plate plastic injection mould - Google Patents
Automatic side gate pull-apart mechanism for two-plate plastic injection mould Download PDFInfo
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- CN103434085A CN103434085A CN2013103595118A CN201310359511A CN103434085A CN 103434085 A CN103434085 A CN 103434085A CN 2013103595118 A CN2013103595118 A CN 2013103595118A CN 201310359511 A CN201310359511 A CN 201310359511A CN 103434085 A CN103434085 A CN 103434085A
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- waste material
- mould
- push rod
- plate
- ejector retainner
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Abstract
The invention discloses an automatic side gate pull-apart mechanism for a two-plate plastic injection mould. The automatic side gate pull-apart mechanism comprises mould cavities and a lower web plate, wherein gate bushings and positioning rings are mounted in the mould cavities; main gates in the gate bushings are connected with flow distribution channels; the flow distribution channels are connected with side gates; waste materials are arranged in the main gates, the flow distribution channels and the side gates; mould legs are mounted on the lower web plate; lower ejector plates and upper ejector plates are arranged between the mould legs; product ejection rods and a waste material ejection rod are mounted between the upper ejector plates and the lower ejector plates; through holes are formed in the lower web plate; injection machine top rods penetrate the through holes to be in contact with the lower ejector plates; support plates are mounted on the mould legs; mould cores are mounted on the support plates; forming plastic parts are arranged between the mould cores and the mould cavities. The automatic side gate pull-apart mechanism is characterized in that lower fixed-pitch grooves are formed in the lower ejector plates; upper fixed-pitch grooves are formed in the upper ejector plates; a large waste material ejection rod end and a lower fixed-pitch pin are arranged on the waste material ejection rod; the large waste material ejection rod end is contacted with the upper fixed-pitch groove; the lower fixed-pitch pin is contacted with the lower fixed-pitch groove; side concave holes are formed in the mould cores; oblique convex columns are arranged under the waste materials; the oblique convex columns are matched with the side concave holes.
Description
Technical field
The present invention relates to injection mold, particularly relate to double-plate injection mold automatic breaking side gate mechanism.
Background technology
For the double-plate injection mold, use the sub marine gate can automatic break gate, if use side gate, prior art be after the mould die sinking by push rod by waste material and working of plastics ejection device simultaneously, its waste material and working of plastics all can connect together, then by the workman, waste material is cut, the shortcoming of its existence is: labor strength is large, and production efficiency is low.
Summary of the invention
The objective of the invention is the shortcoming existed in order to overcome prior art, a kind of working of plastics and waste material automatic breaking of making after the mould die sinking is provided, by working of plastics and waste material while ejection device, reduce labor strength, the double-plate injection mold automatic breaking side gate mechanism enhanced productivity again.
The technical scheme of double-plate injection mold automatic breaking side gate of the present invention mechanism is: comprise die cavity and lower compound plate, be equipped with gate bush and centring ring in die cavity, main cast gate in gate bush connects runner, runner connects side gate, main cast gate, it in runner and side gate, is waste material, the mould pin is installed on lower compound plate, lower ejector retainner plate and upper ejector retainner plate are set between the mould pin, on, product push rod and waste material push rod are installed between lower ejector retainner plate, have perforation in lower compound plate, the injector push rod contacts with lower ejector retainner plate through perforation, on the mould pin, gripper shoe is installed, core is installed on gripper shoe, the working of plastics that moulding is arranged between core and die cavity, it is characterized in that: have lower spacing groove in described lower ejector retainner plate, have the spacing groove in upper ejector retainner plate, be provided with the large end of waste material push rod and lower spacing pin on the waste material push rod, the large end of waste material push rod contacts with upper spacing groove, lower spacing pin contacts with lower spacing groove, be shaped with the side recess on described core, be shaped with oblique projection under waste material, tiltedly projection and side recess match.
The invention discloses a kind of double-plate injection mold automatic breaking side gate mechanism, after the working of plastics injection mo(u)lding, lower compound plate band dynamic model pin moves backward, the moving upper ejector retainner plate of mould tape, lower ejector retainner plate, gripper shoe and core move backward, instantly ejector retainner plate moves to while contacting with the injector push rod backward, the injector push rod withstands lower ejector retainner plate and upper ejector retainner plate stops mobile, on, lower ejector retainner plate withstands the product push rod and stops mobile, the product push rod withstands working of plastics and stops mobile, and lower compound plate continuation drive core moves backward, make working of plastics slightly deviate from core, meanwhile, due to upper, in lower ejector retainner plate, have, lower spacing groove, core can continue to drive the waste material push rod and waste material moves backward, and working of plastics stops moving, waste material moves backward, make working of plastics and waste material automatically be pulled off at the sizing material of side gate position injection moulding, when the lower spacing pin of waste material push rod contacts with the lower spacing groove of lower ejector retainner plate, lower ejector retainner plate withstands the waste material push rod and stops mobile, the waste material push rod withstands waste material and stops mobile, thereby by the waste material ejection device, simultaneously, push rod also ejects working of plastics the disengaging core.This programme double-plate injection mold automatic breaking side gate mechanism, employing is upper, in lower ejector retainner plate, have, lower spacing groove (i.e. one section vacant stroke), be provided with the large end of waste material push rod and lower spacing pin at the waste material push rod, after making the mould die sinking, first working of plastics is ejected slightly, sizing material between working of plastics and waste material is pulled off automatically (because the sizing material of side gate position is thinner, easily be pulled off), ejection device together again, without manually cutting waste material, increase work efficiency, reduce labor strength, and be shaped with the side recess on core, be shaped with oblique projection under waste material, hook the side recess by oblique projection, improve the adhesive force between waste material and core, avoid working of plastics when slightly ejecting, waste material is together pulled out.
The accompanying drawing explanation
Fig. 1 is double-plate injection mold automatic breaking side gate mechanism matched moulds status architecture schematic diagram;
Fig. 2 is double-plate injection mold automatic breaking side gate mechanism die opening state structural representation;
Fig. 3 is that working of plastics and waste material are broken the status architecture schematic diagram;
Fig. 4 is double-plate injection mold automatic breaking side gate mechanism demoulding status architecture schematic diagram.
The specific embodiment
The present invention relates to a kind of double-plate injection mold automatic breaking side gate mechanism, as shown in Fig. 1-Fig. 4, comprise die cavity 1 and lower compound plate 2, be equipped with gate bush 5 and centring ring 6 in die cavity, main cast gate 4 in gate bush 5 connects runner 41, runner 41 connects side gate 3, main cast gate, it in runner and side gate, is waste material 17, mould pin 7 is installed on lower compound plate, lower ejector retainner plate 8 and upper ejector retainner plate 9 are set between the mould pin, on, product push rod 10 and waste material push rod 11 are installed between lower ejector retainner plate, have perforation 12 in lower compound plate 2, injector push rod 13 contacts with lower ejector retainner plate 9 through perforation, gripper shoe 14 is installed on mould pin 7, core 15 is installed on gripper shoe, the working of plastics 16 that moulding is arranged between core and die cavity 1, it is characterized in that: in described lower ejector retainner plate 8, have lower spacing groove 18, have spacing groove 19 in upper ejector retainner plate 9, be provided with the large end 20 of waste material push rod and lower spacing pin 21 on waste material push rod 11, the large end of waste material push rod contacts with upper spacing groove, lower spacing pin contacts with lower spacing groove, be shaped with side recess 22 on described core 15, be shaped with oblique projection 23 for 17 times at waste material, tiltedly projection and side recess match.After working of plastics 16 injection mo(u)ldings, lower compound plate 2 band dynamic model pin 7 move backward, the moving upper ejector retainner plate 9 of mould tape, lower ejector retainner plate 8, gripper shoe 14 and core 15 move backward, instantly ejector retainner plate 8 moves to while contacting with injector push rod 13 backward, the injector push rod withstands lower ejector retainner plate 8 and upper ejector retainner plate 9 stops mobile, on, lower ejector retainner plate withstands product push rod 10 and stops mobile, the product push rod withstands working of plastics 16 and stops mobile, and lower compound plate 2 continuation drive cores 15 move backward, make working of plastics 16 slightly deviate from core 15, meanwhile, due to upper, lower ejector retainner plate 9, in 8, have, lower spacing groove 19, 18, core can continue to drive waste material push rod 11 and waste material 17 moves backward, and working of plastics 16 stops moving, waste material moves backward, make working of plastics and waste material automatically be pulled off at the sizing material of side gate 3 position injection mouldings, when the lower spacing pin 21 of waste material push rod 11 contacts with the lower spacing groove 18 of lower ejector retainner plate 8, lower ejector retainner plate 8 withstands waste material push rod 11 and stops mobile, the waste material push rod withstands waste material 17 and stops mobile, thereby by the waste material ejection device, simultaneously, push rod 10 also ejects working of plastics and breaks away from core 15.This programme double-plate injection mold automatic breaking side gate mechanism, employing is upper, lower ejector retainner plate 9, in 8, have, lower spacing groove 19, 18(i.e. one section vacant stroke), be provided with the large end 20 of waste material push rod and lower spacing pin 21 at waste material push rod 11, after making the mould die sinking, first working of plastics 16 is ejected slightly, sizing material between working of plastics and waste material 17 is pulled off automatically (because the sizing material of side gate 3 positions is thinner, easily be pulled off), ejection device together, without manually cutting waste material, increase work efficiency, reduce labor strength, and be shaped with side recess 22 on core 15, waste material is shaped with oblique projection 23 for 17 times, hook the side recess by oblique projection, improve the adhesive force between waste material and core, avoid working of plastics 16 when slightly ejecting, waste material 17 is together pulled out.
Claims (1)
1. double-plate injection mold automatic breaking side gate mechanism, comprise die cavity (1) and lower compound plate (2), be equipped with gate bush (5) and centring ring (6) in die cavity, main cast gate (4) in gate bush (5) connects runner (41), runner (41) connects side gate (3), main cast gate, it in runner and side gate, is waste material (17), mould pin (7) is installed on lower compound plate, lower ejector retainner plate (8) and upper ejector retainner plate (9) are set between the mould pin, on, product push rod (10) and waste material push rod (11) are installed between lower ejector retainner plate, have perforation (12) in lower compound plate (2), injector push rod (13) contacts with lower ejector retainner plate (9) through perforation, in the upper gripper shoe (14) of installing of mould pin (7), core (15) is installed on gripper shoe, the working of plastics (16) that moulding is arranged between core and die cavity (1), it is characterized in that: have lower spacing groove (18) in described lower ejector retainner plate (8), have spacing groove (19) in upper ejector retainner plate (9), be provided with the large end of waste material push rod (20) and lower spacing pin (21) on waste material push rod (11), the large end of waste material push rod contacts with upper spacing groove, lower spacing pin contacts with lower spacing groove, be shaped with side recess (22) on described core (15), be shaped with oblique projection (23) under waste material (17), tiltedly projection and side recess match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103595118A CN103434085A (en) | 2013-08-19 | 2013-08-19 | Automatic side gate pull-apart mechanism for two-plate plastic injection mould |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103595118A CN103434085A (en) | 2013-08-19 | 2013-08-19 | Automatic side gate pull-apart mechanism for two-plate plastic injection mould |
Publications (1)
| Publication Number | Publication Date |
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| CN103434085A true CN103434085A (en) | 2013-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103595118A Pending CN103434085A (en) | 2013-08-19 | 2013-08-19 | Automatic side gate pull-apart mechanism for two-plate plastic injection mould |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346011A (en) * | 2015-10-29 | 2016-02-24 | 芜湖市万华塑料制品有限公司 | Injection mold for double pieces of insulation framework |
| CN105415605A (en) * | 2015-11-27 | 2016-03-23 | 成都工业学院 | Two-level push-out mechanism and use method thereof |
| CN105965803A (en) * | 2016-07-01 | 2016-09-28 | 天津银宝山新科技有限公司 | Side gate breaking structure |
| JP2022109786A (en) * | 2021-01-15 | 2022-07-28 | 本田技研工業株式会社 | Injection molding device and method for ejecting molded product obtained by the injection molding device |
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| CN201693739U (en) * | 2010-05-05 | 2011-01-05 | 新东江塑胶(深圳)有限公司 | Nozzle cutting device in mold |
| CN201881517U (en) * | 2010-11-05 | 2011-06-29 | 富港电子（东莞）有限公司 | Injection mold |
| CN201998361U (en) * | 2010-12-30 | 2011-10-05 | 慈溪新通达模具有限公司 | Ejection delayed structure of plastic mould |
| CN202162970U (en) * | 2011-07-27 | 2012-03-14 | 联钢精密科技(苏州)有限公司 | Injection mold |
| CN203472061U (en) * | 2013-08-19 | 2014-03-12 | 台州市凯华塑业有限公司 | Automatic-snap side gate mechanism of two-plate injection mold |
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2013
- 2013-08-19 CN CN2013103595118A patent/CN103434085A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201693739U (en) * | 2010-05-05 | 2011-01-05 | 新东江塑胶(深圳)有限公司 | Nozzle cutting device in mold |
| CN201881517U (en) * | 2010-11-05 | 2011-06-29 | 富港电子（东莞）有限公司 | Injection mold |
| CN201998361U (en) * | 2010-12-30 | 2011-10-05 | 慈溪新通达模具有限公司 | Ejection delayed structure of plastic mould |
| CN202162970U (en) * | 2011-07-27 | 2012-03-14 | 联钢精密科技(苏州)有限公司 | Injection mold |
| CN203472061U (en) * | 2013-08-19 | 2014-03-12 | 台州市凯华塑业有限公司 | Automatic-snap side gate mechanism of two-plate injection mold |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105346011A (en) * | 2015-10-29 | 2016-02-24 | 芜湖市万华塑料制品有限公司 | Injection mold for double pieces of insulation framework |
| CN105346011B (en) * | 2015-10-29 | 2018-05-18 | 佛山市顺德区晟启精密科技有限公司 | The injection mold of insulation framework double-piece |
| CN105415605A (en) * | 2015-11-27 | 2016-03-23 | 成都工业学院 | Two-level push-out mechanism and use method thereof |
| CN105965803A (en) * | 2016-07-01 | 2016-09-28 | 天津银宝山新科技有限公司 | Side gate breaking structure |
| CN105965803B (en) * | 2016-07-01 | 2018-03-27 | 天津银宝山新科技有限公司 | A kind of side gate is disconnected to pour structure |
| JP2022109786A (en) * | 2021-01-15 | 2022-07-28 | 本田技研工業株式会社 | Injection molding device and method for ejecting molded product obtained by the injection molding device |
| JP7145246B2 (en) | 2021-01-15 | 2022-09-30 | 本田技研工業株式会社 | Injection molding apparatus and method for ejecting molded product obtained by said injection molding apparatus |
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Application publication date: 20131211 |