CN104842520A - Injection mold fixed mold side inclined ejector inner core pulling mechanism - Google Patents
Injection mold fixed mold side inclined ejector inner core pulling mechanism Download PDFInfo
- Publication number
- CN104842520A CN104842520A CN201510215912.5A CN201510215912A CN104842520A CN 104842520 A CN104842520 A CN 104842520A CN 201510215912 A CN201510215912 A CN 201510215912A CN 104842520 A CN104842520 A CN 104842520A
- Authority
- CN
- China
- Prior art keywords
- cover half
- plate
- dynamic model
- push pedal
- mold side
- 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.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
- B29C45/401—Ejector pin constructions or mountings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
An injection mold fixed mold side inclined ejector inner core pulling mechanism comprises an upper compound plate and a lower compound plate. A fixed mold is arranged on the lower portion of the upper compound plate, a through hole is formed in the middle of the lower compound plate, support blocks are arranged on the lower compound plate, an upper ejector plate and a lower ejector plate are arranged between the support blocks, an injection machine ejector rod contacts with the lower ejector plate, straight ejector pins and movable mold side sliding seats are arranged on the upper ejector plate and the lower ejector plate, movable mold side sliders are arranged on the movable mold side sliding seats and connected with movable mold side inclined ejector pins, convex ribs are manufactured on the movable mold side inclined ejector pins, movable molds are arranged on the support blocks, plastic parts are arranged among the movable molds and the fixed mold, upper overhead hooks and lower vertical plates are manufactured on the plastic parts, and clamping holes are formed in the lower vertical plates and matched with the convex ribs of the movable mold side inclined ejector pins. The injection mold fixed mold side inclined ejector inner core pulling mechanism is characterized in that a push plate groove and an inclined guide hole are formed in the fixed mold, a push plate and a push plate fixing plate are arranged in the push plate groove, a spring is arranged between the push plate and the upper compound plate, supporting rods and fixed mold side sliding seats are arranged on the push plate and the push plate fixing plate, the lower ends of the supporting rods penetrate the fixed mold and contact with the upper ends of the movable molds, fixed mold side sliders are arranged on the fixed mold side sliding seats and connected with fixed mold side inclined ejector pins, and the fixed mold side inclined ejector pins penetrate the inclined guide hole and are matched with the upper overhead hooks of the plastic parts.
Description
Technical field
The present invention relates to injection mold, particularly relate to injection molding mould fixed die skew back top internal core-pulling mechanism.
Background technology
If working of plastics is all shaped with the structure of barb in cover half side and dynamic model side, upper normally in dynamic model side of prior art, lower ejector retainner plate arranges slide, slide arranges slide block, slide block connects oblique top pin, on passing through when mould die sinking, while lower ejector retainner plate drives oblique top pin to be ejected by working of plastics, oblique top pin extracts barb out to a Slideslip, and cover half side barb is owing to being subject to mould structure restriction, usually can only the bending amplitude of barb and the degree of depth be done little, again by the strong de-barb directly deviating from cover half side, therefore easily there is situations such as breaking in cover half side barb, cause product rejection, in addition due to the needs of product, can not the bending amplitude of cover half side barb and the degree of depth be done little, prior art then cannot be deviate from.
Summary of the invention
The object of the invention is the shortcoming existed to overcome prior art, provide a kind of barb being conducive to deviating from working of plastics dynamic model side and cover half side, structure is simple, and the demoulding is smooth, ensures the injection molding mould fixed die skew back top internal core-pulling mechanism of product quality.
The technical scheme of injection molding mould fixed die skew back top of the present invention internal core-pulling mechanism is: comprise compound plate and lower compound plate, in upper compound plate, centring ring is set, under upper compound plate, cover half is set, in cover half, gate bush is set, perforation is had in lower compound plate, lower compound plate arranges mould pin, lower compound plate between mould pin is arranged ejector retainner plate and lower ejector retainner plate, injector push rod contacts with lower ejector retainner plate through perforation, on, lower ejector retainner plate is arranged straight thimble and dynamic model sideslip seat, dynamic model sideslip seat arranges dynamic model side slide, dynamic model side slide connects dynamic model skew back thimble, dynamic model skew back thimble is shaped with convex tendon, mould pin arranges dynamic model, the working of plastics of injection mo(u)lding is had between dynamic model and cover half, working of plastics is shaped with barb and lower riser, lower riser has hole clipping, hole clipping matches with the convex tendon of dynamic model skew back thimble, it is characterized in that: in described cover half, be shaped with push pedal groove and oblique guide hole, push pedal and push pedal fixed head are set in push pedal groove, between push pedal and upper compound plate, spring is set, push pedal and push pedal fixed head arrange support bar and cover half sideslip seat, support bar lower end contacts with dynamic model upper end through cover half, cover half sideslip seat arranges cover half side slide, cover half side slide connects cover half skew back thimble, cover half skew back thimble matches with the upper barb of working of plastics through oblique guide hole.
The invention discloses a kind of injection molding mould fixed die skew back top internal core-pulling mechanism, when after working of plastics injection mo(u)lding, lower compound plate band dynamic model pin, dynamic model, upper ejector retainner plate, lower ejector retainner plate, dynamic model skew back thimble, straight thimble and working of plastics move backward, make mould die sinking, while fixed half and moving half is opened, spring promotes push pedal and push pedal fixed head downwards under restoring force effect, push pedal and push pedal fixed head are with active and inactive mold sideslip seat and support bar downwards, cover half sideslip seat is with active and inactive mold side slide and cover half skew back thimble downwards, cover half skew back thimble is moved down together with dynamic model with support bar, oblique guide hole due to cover half keeps motionless, therefore cover half skew back thimble is while moving down, slide to the inside along oblique guide hole, cover half skew back thimble is made first to deviate from the upper barb of working of plastics, when cover half side slide contacts with push pedal groove bottom, push pedal, push pedal fixed head, cover half side slide, cover half skew back thimble and support bar stop moving down, now mould continues die sinking, withstood by injection machine push rod, lower ejector retainner plate stops mobile, on, lower ejector retainner plate withstands straight thimble and dynamic model sideslip seat stops mobile, dynamic model skew back thimble on straight thimble and dynamic model sideslip seat withstands working of plastics and stops mobile, thus make working of plastics deviate from dynamic model, withstand while working of plastics deviates from dynamic model at dynamic model skew back thimble, dynamic model moves backward, dynamic model coordinates with dynamic model skew back thimble, dynamic model skew back thimble and dynamic model side slide are slided the hole clipping of working of plastics to the inside, now working of plastics is just under gravity to falling in collecting box, complete the demoulding.This programme injection molding mould fixed die skew back top internal core-pulling mechanism, by arranging push pedal and push pedal fixed head in cover half, between push pedal and upper compound plate, spring is set, in push pedal fixed head, support bar is set, withstand on the side of dynamic model by support bar, support bar is to push pedal, push pedal fixed head and cover half skew back thimble play a position-limiting action, when can ensure mould die sinking like this, cover half skew back thimble can move down together along with dynamic model, cover half skew back thimble can be made again to be only be attached on working of plastics, and can not extruding plastic part, ensure the quality of working of plastics, in addition when mould matched moulds, support bar can also play reset response to push pedal and push pedal fixed head, structure is simple, the demoulding is smooth.
Injection molding mould fixed die skew back top of the present invention internal core-pulling mechanism, arrange upper guide post between described upper compound plate and cover half, have guide hole in push pedal and push pedal fixed head, upper guide hole matches with upper guide post.There is upper guide post, push pedal and push pedal fixed head are led when moving up and down accurately.
Accompanying drawing explanation
Fig. 1 is injection molding mould fixed die skew back top internal core-pulling mechanism matched moulds status architecture schematic diagram;
Fig. 2 is that upper barb state structural representation deviate from by cover half skew back thimble;
Fig. 3 is injection molding mould fixed die skew back top internal core-pulling mechanism die opening state structural representation.
Detailed description of the invention
The present invention relates to a kind of injection molding mould fixed die skew back top internal core-pulling mechanism, as shown in Fig. 1-Fig. 3, comprise compound plate 1 and lower compound plate 2, centring ring 3 is set in upper compound plate, cover half 4 is set under upper compound plate, gate bush 5 is set in cover half, perforation 6 is had in lower compound plate 2, lower compound plate arranges mould pin 7, lower compound plate between mould pin is arranged ejector retainner plate 8 and lower ejector retainner plate 9, injector push rod 10 contacts with lower ejector retainner plate 9 through perforation 6, on, lower ejector retainner plate is arranged straight thimble 11 and dynamic model sideslip seat 12, dynamic model sideslip seat arranges dynamic model side slide 13, dynamic model side slide connects dynamic model skew back thimble 14, dynamic model skew back thimble is shaped with convex tendon 15, mould pin arranges dynamic model 16, the working of plastics 17 of injection mo(u)lding is had between dynamic model and cover half 4, working of plastics is shaped with barb 18 and lower riser 19, lower riser has hole clipping 20, hole clipping matches with the convex tendon 15 of dynamic model skew back thimble 14, it is characterized in that: in described cover half 4, be shaped with push pedal groove 21 and oblique guide hole 22, push pedal 23 and push pedal fixed head 24 are set in push pedal groove, spring 25 is set between push pedal and upper compound plate 1, push pedal and push pedal fixed head arrange support bar 26 and cover half sideslip seat 27, support bar lower end contacts with dynamic model 16 upper end through cover half 4, cover half sideslip seat arranges cover half side slide 28, cover half side slide connects cover half skew back thimble 29, cover half skew back thimble matches with the upper barb 18 of working of plastics 17 through oblique guide hole 22.When after working of plastics 17 injection mo(u)lding, lower compound plate 2 is with dynamic model pin 7, dynamic model 16, upper ejector retainner plate 8, lower ejector retainner plate 9, dynamic model skew back thimble 14, straight thimble 11 and working of plastics 17 move backward, make mould die sinking, while cover half 4 and dynamic model 16 are opened, spring 25 promotes push pedal 23 and push pedal fixed head 24 downwards under restoring force effect, push pedal and push pedal fixed head are with active and inactive mold sideslip seat 27 and support bar 26 downwards, cover half sideslip seat is with active and inactive mold side slide 28 and cover half skew back thimble 29 downwards, cover half skew back thimble is moved down together with dynamic model 16 with support bar 26, because the oblique guide hole 22 of cover half 4 keeps motionless, therefore cover half skew back thimble 29 is while moving down, slide to the inside along oblique guide hole 22, cover half skew back thimble is made first to deviate from the upper barb 18 of working of plastics 17, when cover half side slide 27 contacts with push pedal groove 21 bottom surface, push pedal 23, push pedal fixed head 24, cover half side slide 27, cover half skew back thimble 29 and support bar 26 stop moving down, now mould continues die sinking, withstood by injection machine push rod 10, lower ejector retainner plate 8, 9 stop moving, on, lower ejector retainner plate withstands straight thimble 11 and dynamic model sideslip seat 12 stops mobile, dynamic model skew back thimble 14 on straight thimble and dynamic model sideslip seat withstands working of plastics 17 and stops mobile, thus make working of plastics deviate from dynamic model 16, withstand while working of plastics deviates from dynamic model at dynamic model skew back thimble, dynamic model moves backward, dynamic model 16 coordinates with dynamic model skew back thimble 14, dynamic model skew back thimble and dynamic model side slide 13 are slided to the inside and deviates from the hole clipping 20 of working of plastics 17, now working of plastics is just under gravity to falling in collecting box, complete the demoulding.This programme injection molding mould fixed die skew back top internal core-pulling mechanism, by arranging push pedal 23 and push pedal fixed head 24 in cover half 4, spring 25 is set between push pedal and upper compound plate 1, support bar 26 is set in push pedal fixed head, withstood on the side of dynamic model 16 by support bar, support bar is to push pedal 23, push pedal fixed head 24 and cover half skew back thimble 29 play a position-limiting action, when can ensure mould die sinking like this, cover half skew back thimble 29 can move down together along with dynamic model 16, cover half skew back thimble can be made again to be only be attached on working of plastics 17, and can not extruding plastic part, ensure the quality of working of plastics, in addition when mould matched moulds, support bar 26 can also play reset response to push pedal 23 and push pedal fixed head 24, structure is simple, the demoulding is smooth.Arrange upper guide post 39 between described upper compound plate 1 and cover half 4, have guide hole 31 in push pedal 23 and push pedal fixed head 24, upper guide hole matches with upper guide post 30.There is upper guide post 30, push pedal 23 and push pedal fixed head 24 are led when moving up and down accurately.
Claims (2)
1. injection molding mould fixed die skew back top internal core-pulling mechanism, comprise compound plate (1) and lower compound plate (2), centring ring (3) is set in upper compound plate, cover half (4) is set under upper compound plate, gate bush (5) is set in cover half, perforation (6) is had in lower compound plate (2), lower compound plate is arranged mould pin (7), lower compound plate between mould pin is arranged ejector retainner plate (8) and lower ejector retainner plate (9), injector push rod (10) contacts with lower ejector retainner plate (9) through perforation (6), on, lower ejector retainner plate is arranged straight thimble (11) and dynamic model sideslip seat (12), dynamic model sideslip seat is arranged dynamic model side slide (13), dynamic model side slide connects dynamic model skew back thimble (14), dynamic model skew back thimble is shaped with convex tendon (15), mould pin arranges dynamic model (16), the working of plastics (17) of injection mo(u)lding is had between dynamic model and cover half (4), working of plastics is shaped with barb (18) and lower riser (19), lower riser has hole clipping (20), hole clipping matches with the convex tendon (15) of dynamic model skew back thimble (14), it is characterized in that: in described cover half (4), be shaped with push pedal groove (21) and oblique guide hole (22), push pedal (23) and push pedal fixed head (24) are set in push pedal groove, spring (25) is set between push pedal and upper compound plate (1), push pedal and push pedal fixed head arrange support bar (26) and cover half sideslip seat (27), support bar lower end contacts with dynamic model (16) upper end through cover half (4), cover half sideslip seat is arranged cover half side slide (28), cover half side slide connects cover half skew back thimble (29), cover half skew back thimble matches with the upper barb (18) of working of plastics (17) through oblique guide hole (22).
2. injection molding mould fixed die skew back top as claimed in claim 1 internal core-pulling mechanism, it is characterized in that: between described upper compound plate (1) and cover half (4), upper guide post (30) is set, have guide hole (31) in push pedal (23) and push pedal fixed head (24), upper guide hole matches with upper guide post (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215912.5A CN104842520B (en) | 2015-04-30 | 2015-04-30 | Injection molding mould fixed die skew back top internal core-pulling mechanism |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510215912.5A CN104842520B (en) | 2015-04-30 | 2015-04-30 | Injection molding mould fixed die skew back top internal core-pulling mechanism |
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| Publication Number | Publication Date |
|---|---|
| CN104842520A true CN104842520A (en) | 2015-08-19 |
| CN104842520B CN104842520B (en) | 2017-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510215912.5A Active CN104842520B (en) | 2015-04-30 | 2015-04-30 | Injection molding mould fixed die skew back top internal core-pulling mechanism |
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| CN (1) | CN104842520B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643883A (en) * | 2015-12-30 | 2016-06-08 | 优力精密塑胶（苏州工业园区）有限公司 | Front and back mold inclined top release mold and machining method thereof |
| CN108656463A (en) * | 2018-08-15 | 2018-10-16 | 奥克斯空调股份有限公司 | A kind of Zhi Ding mechanisms and injection mold |
| CN109080080A (en) * | 2018-08-06 | 2018-12-25 | 常州星宇车灯股份有限公司 | A kind of mold with thimble elder generation resetting-mechanism |
| CN109940836A (en) * | 2019-04-17 | 2019-06-28 | 珀尔曼机电(昆山)有限公司 | A kind of preceding mould back-off core-pulling mechanism |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203665861U (en) * | 2014-01-04 | 2014-06-25 | 新至升塑胶模具(深圳)有限公司 | Inclined ejection core-pulling device for injection mold |
| CN203779801U (en) * | 2014-02-24 | 2014-08-20 | 浙江凯华模具有限公司 | Fixed mold side core-pulling mechanism for injection mold |
| CN204701083U (en) * | 2015-04-30 | 2015-10-14 | 浙江凯华模具有限公司 | Injection molding mould fixed die skew back top internal core-pulling mechanism |
-
2015
- 2015-04-30 CN CN201510215912.5A patent/CN104842520B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203665861U (en) * | 2014-01-04 | 2014-06-25 | 新至升塑胶模具(深圳)有限公司 | Inclined ejection core-pulling device for injection mold |
| CN203779801U (en) * | 2014-02-24 | 2014-08-20 | 浙江凯华模具有限公司 | Fixed mold side core-pulling mechanism for injection mold |
| CN204701083U (en) * | 2015-04-30 | 2015-10-14 | 浙江凯华模具有限公司 | Injection molding mould fixed die skew back top internal core-pulling mechanism |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105643883A (en) * | 2015-12-30 | 2016-06-08 | 优力精密塑胶（苏州工业园区）有限公司 | Front and back mold inclined top release mold and machining method thereof |
| CN109080080A (en) * | 2018-08-06 | 2018-12-25 | 常州星宇车灯股份有限公司 | A kind of mold with thimble elder generation resetting-mechanism |
| CN108656463A (en) * | 2018-08-15 | 2018-10-16 | 奥克斯空调股份有限公司 | A kind of Zhi Ding mechanisms and injection mold |
| CN108656463B (en) * | 2018-08-15 | 2023-09-15 | 奥克斯空调股份有限公司 | Straight ejection mechanism and injection mold |
| CN109940836A (en) * | 2019-04-17 | 2019-06-28 | 珀尔曼机电(昆山)有限公司 | A kind of preceding mould back-off core-pulling mechanism |
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| Publication number | Publication date |
|---|---|
| CN104842520B (en) | 2017-04-05 |
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Denomination of invention: Inner core pulling mechanism of fixed mold side inclined top of injection mold Effective date of registration: 20220704 Granted publication date: 20170405 Pledgee: Agricultural Bank of China Limited Taizhou Economic Development Zone sub branch Pledgor: ZHEJIANG KAIHUA MOULDS Co.,Ltd. Registration number: Y2022330001226 |