CN105904662A - Spring-hook composite triple parting pin-point gate injection mold - Google Patents
Spring-hook composite triple parting pin-point gate injection mold Download PDFInfo
- Publication number
- CN105904662A CN105904662A CN201610238982.7A CN201610238982A CN105904662A CN 105904662 A CN105904662 A CN 105904662A CN 201610238982 A CN201610238982 A CN 201610238982A CN 105904662 A CN105904662 A CN 105904662A
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- Prior art keywords
- plate
- fixed
- clamping plate
- die
- slide block
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- 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
-
- 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
-
- 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
- B29C45/38—Cutting-off equipment for sprues or ingates
-
- 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
Abstract
The invention discloses a spring-hook composite triple parting pin-point gate injection mold, which comprises a fixed clamping plate, a stripper plate, a fixed die plate, a locating ring, a limit rod, a fixed clamping plate, a backing plate, a moving die insert, heel blocks, a moving clamping plate, an ejector plate and an ejector retaining plate. The locating ring is installed on the fixed clamping plate. The upper end face of the fixed die plate is processed to obtain a counter bore, which is filled with a spring. The upper end of the limit rod is fixed on the stripper plate and passes through the spring, and the lower end extends into holes of the fixed die plate and the backing plate. The heel blocks are fixed on the moving clamping plate. The ejector plate and the ejector retaining plate are installed between the heel blocks. A top tube is installed on the ejector retaining plate and passes through the backing plate and the moving die insert to extend into a cavity. The product is characterized in that a pull rod is installed on the fixed clamping plate; a sliding block is installed on the fixed die plate; there is a groove at the center of the sliding block; the pull rod passes through the groove of the sliding block; and a hook is mounted on the backing plate and is used for hooking the sliding block in a die-locking state. The product has a simple structure, is low-cost, and is convenient to install, debug and maintain.
Description
Technical field
The invention belongs to Plastics Injection Molding Technology field, relate to the mould structure of a kind of novelty, three points of die drawing breakpoint gated injection moulds that a kind of snap clasp is compound.
Background technology
When working of plastics uses point type gated injection molding, owing to runner waste material is positioned at above die cavity and in inverted cone, working of plastics is positioned at die cavity, both are connected by cast gate waste material, cannot take out simultaneously, it is thus desirable to during die sinking automatic breaking cast gate waste material, separate smoothly between runner plate to be realized and cavity plate and between cavity plate with moving platen, it is simple to runner waste material and the taking-up respectively of working of plastics.The method used at present has: 1, utilize the precompressed elastic force of spring or the prefastening force of plug to realize, such mould structure is simple, low cost, but mold actions is unreliable, in mould, set spring or plug easily lost efficacy or ruptured, and caused mould main parts size to be damaged；2, utilizing fixed mold push plate to realize, this kind of mold actions is reliable, power transmission preferably, but mould structure is complicated, cost height, manufactures, install, debug, keep in repair and be inconvenient for.It is thus desirable to invent the new method repeatedly dividing die drawing breakpoint cast gate and injection molding to realize the injection mo(u)lding of similar products.
Summary of the invention
In order to overcome existing point of die drawing breakpoint gate method and the deficiency of mould structure, the present invention provides three points of die drawing breakpoint gated injection moulds that a kind of spring is compound with drag hook.
The technical solution adopted in the present invention is:
Three points of die drawing breakpoint gated injection moulds that a kind of snap clasp is compound, including cover half part and dynamic model part, described cover half part is by fixed clamping plate, stripper plate, solid plate forms, centring ring is installed on described fixed clamping plate, sprue bush is arranged on fixed clamping plate, and through stripper plate, sprue puller is arranged on fixed clamping plate, and through stripper plate, solid plate upper surface processes counterbore, spring is wherein installed, limit pull rod upper end is fixed on stripper plate, and through spring, lower end is stretched in the hole of solid plate and backing plate, described limit pull rod lower end is provided with the shoulder that diameter is bigger than the bore dia on solid plate；Dynamic model part is by backing plate, mould foot, moving clamping plate, liftout plate and push rod fixed plate composition, its middle mold foot is fixed on moving clamping plate, liftout plate and push rod fixed plate are installed between mould foot, push pipe is arranged in push rod fixed plate, and through backing plate and moving die insert, stretch in die cavity, backing plate is arranged on mould foot, it is characterized in that: pull bar is installed on fixed clamping plate, slide block is installed on solid plate, groove is had in the middle of slide block, pull bar is through the groove of slide block, described pull bar lower end is provided with reducing inclined-plane, drag hook is installed on backing plate, when matched moulds state, drag hook hooks slide block, contact with the groove of slide block on the reducing inclined-plane of die sinking back stay, slide block is moved right and drag hook departs from.
As preferably, the distance of pull bar straight section is more than the distance of limit pull rod shoulder upper surface to counterbore base, and the distance of pull bar straight section is than the distance of limit pull rod shoulder upper surface to counterbore base and stop screw nut lower surface and the little 5-8mm of distance sum of counterbore base.
nullThe invention discloses three points of die drawing breakpoint gated injection moulds that a kind of snap clasp is compound，When after working of plastics injection moulding，Mould is under the drive of injector moving platen，First die sinking at B，Moving clamping plate、Liftout plate、Push rod fixed plate、Mould foot、Backing plate and solid plate are opened simultaneously backward，Runner waste material is stayed on runner plate under the effect of sprue puller，Working of plastics is pulled off with cast gate waste material，After limit pull rod lower end circular bead surface contacts with the counterbore base in solid plate，Drag hook still hooks slide block，Solid plate is driven to continue rearward movement，Thus drive stripper plate rearward movement，Mould goes out separately from A，Runner waste material is deviate from from sprue puller，After slide block is pushed down on inclined-plane, pull bar lower end，Drag hook separates with slide block，The nut lower surface of stop screw contacts with the counterbore base on fixed clamping plate simultaneously，Stripper plate held by stop screw，Stripper plate holds solid plate by limit pull rod，Mould goes out separately from C，Working of plastics abjection die cavity，After die sinking to working of plastics has enough abjection spaces，The moving platen of injector no longer rearward movement，At this moment，Injector push rod pushes liftout plate and travels forward，Liftout plate drives push pipe to eject working of plastics.The method of three points of die drawing breakpoint cast gates that this programme snap clasp is compound and injection molding, by arranging spring between stripper plate and solid plate, drag hook and slide block are set outside mould, stop screw and limit pull rod are set simultaneously, it is achieved the automatic breaking of cast gate waste material and the abjection of runner waste material between fixed clamping plate and stripper plate and between stripper plate and solid plate.
The present invention has the advantages that compared with original technology:
1. three mould-spliting machine structures of the present invention use frame for movement, simple in construction, low cost, utilize injector die sinking action to realize three points of moulds and automatic breaking cast gate waste material, are greatly shortened the cycle.
2. three points of mode structures of the present invention are arranged on outside mould, process, assemble, debug and easy to maintenance.
Accompanying drawing explanation
Fig. 1 is the injection molding installation diagram one of the present invention；
Fig. 2 is the injection molding installation diagram two of the present invention；
Fig. 3 is the partial sectional view of the injection molding of the present invention；
Fig. 4 is the profile view of three points of mode structures of the present invention；
Fig. 5 is the state diagram of the inside limit pull rod after the injection molding of the present invention separates at B；
Fig. 6 is the state diagram that the injection molding of the present invention separates rear three points of mode structures at B；
Fig. 7 is the runner waste material after the injection molding of the present invention separates at B and working of plastics state diagram；
Fig. 8 is the state diagram of the inside stop screw after the injection molding of the present invention separates at A；
Fig. 9 is the runner waste material after the injection molding of the present invention separates at A and working of plastics state diagram；
Figure 10 is the state diagram that the injection molding of the present invention separates rear three points of mode structures at A；
Figure 11 is the state diagram after the injection molding of the present invention separates at C；
Figure 12 is the state diagram after the injection molding of the present invention ejects.
nullIn figure，1-moving clamping plate，2-liftout plate，3-push rod fixed plate，4-support column，5-backing plate，6-guide block one，7-guide block two，8-solid plate，9-stripper plate，10-fixed clamping plate，11-sprue puller，12-sprue bush，13-centring ring，14-mold insert one，15-cavity block，16-release link，17 moving die inserts，18-core one，19-spring one，20-guide pillar one，21-push pipe，22-retaining screw，Core in the middle of 23-，24-screw one，25-mold insert two，26-baroclinic block，27-wear-resistant block，28-side core，29-T type slide block，30-side slide，31-cushion block，32-insert，33-mould foot，34-screw two，35-limit pull rod，36-screw three，37-guide pin bushing one，38-guide pin bushing two，39-spring two，40-guide pin bushing three，41-guide pillar two，42-stop screw，43-drag hook，44-spring three，45-slide block，46-guide pad，47-spacer pin，48-pull bar.
Detailed description of the invention
Embodiment.nullThe present invention provides method and the injection molding of compound three points of die drawing breakpoint cast gates of a kind of snap clasp，See Fig. 1 to Figure 12，Including moving clamping plate 1、Liftout plate 2、Push rod fixed plate 3、Support column 4、Backing plate 5、Guide block 1、Guide block 27、Solid plate 8、Stripper plate 9、Fixed clamping plate 10、Sprue puller 11、Sprue bush 12、Centring ring 13、Mold insert 1、Cavity block 15、Release link 16、Moving die insert 17、Core 1、Spring 1、Guide pillar 1、Push pipe 21、Retaining screw 22、Middle core 23、Screw 1、Mold insert 2 25、Baroclinic block 26、Wear-resistant block 27、Side core 28、T-shaped slide block 29、Side slide 30、Cushion block 31、Insert 32、Mould foot 33、Screw 2 34、Limit pull rod 35、Screw 3 36、Guide pin bushing 1、Guide pin bushing 2 38、Spring 2 39、Guide pin bushing 3 40、Guide pillar 2 41、Stop screw 42、Drag hook 43、Spring 3 44、Slide block 45、Guide pad 46、Spacer pin 47、Pull bar 48.
Described moving clamping plate 1, mould foot 33 is connected with backing plate 5 screw 2 34.
Described push pipe 21 is fixed in push rod fixed plate 3, and push rod fixed plate 3 is connected with liftout plate 2 screw 3 36, and push pipe 21, push rod fixed plate 3 and liftout plate 2 form the ejecting mechanism of mould.
Described support column 4 is screwed on fixed clamping plate 10, plays a supporting role backing plate 5.
Described guide block 1 is fixed on backing plate 5, and guide block 27 is fixed on solid plate 8.
Described stripper plate 9 is connected with fixed clamping plate 10 stop screw 42.
Described sprue puller 11 is fixed on fixed clamping plate 10, plays the effect of pull-out cooling.
Described sprue bush 12 and centring ring 13 are screwed in cover half fixed plate.
Described mold insert 1 is arranged between solid plate 8 and cavity block 15, and cavity block 15 is screwed on solid plate 8.
Described release link 16 is fixed in push rod fixed plate 3, and spring 1 is arranged in release link 16, plays the effect that ejecting mechanism resets.
Described core 1 is arranged between moving die insert 17 and backing plate 5, together with moving die insert 17 is screwed with backing plate 5.
Described guide pillar one is fixed on moving clamping plate 1, play the guiding role ejecting mechanism.
Described retaining screw 22 is fixed in push rod fixed plate 3, plays the distance between regulation push rod fixed plate 3 and backing plate 5.
Described middle core 23 is fixed on moving clamping plate 1.
Described mold insert 2 25 is screwed on solid plate 8.
Described wear-resistant block 27, T-shaped slide block 29 is screwed on baroclinic block 26, and baroclinic block 26 screw 1 is fixed on fixed clamping plate 10.
Described side core 28 links together with screw with side slide 30.
Described cushion block 31 and insert 32 are screwed on backing plate 5.
Described limit pull rod 35 threaded upper ends is connected on stripper plate 9, and spring 2 39 is arranged on limit pull rod 35.
Guide pin bushing 1 takes interference fit to be arranged on backing plate 5, and guide pin bushing 2 38 uses interference fit to be arranged on solid plate 8, and guide pin bushing 3 40 interference fit is arranged on stripper plate 9, and guide pillar 2 41 is fixed on fixed clamping plate 10, has collectively constituted the guiding mechanism of mould.
Described drag hook 43 is screwed on backing plate 5, pull bar 48 is screwed on fixed clamping plate 10, guide pad 46 is screwed on solid plate 8, spacer pin 47 is arranged on guide pad 46, slide block 45 is arranged in guide pad 46, spring 3 44 is arranged between slide block 45 and guide pad 46, collectively constitutes a second parting mechanism of mould.
nullThe operating principle of mould and process: along with the die sinking campaign of injector，First die sinking at B，Moving clamping plate 1、Liftout plate 2、Push rod fixed plate 3、Mould foot 33、Backing plate 5 and solid plate 8 are opened simultaneously backward，Runner waste material is stayed on stripper plate 9 under the effect of sprue puller 11，Working of plastics is pulled off with cast gate waste material，After limit pull rod 35 lower end circular bead surface contacts with the counterbore base in solid plate 8，Drag hook 43 still hooks slide block 45，Solid plate 8 is driven to continue rearward movement，Thus drive stripper plate 9 rearward movement，Mould goes out separately from A，Runner waste material is deviate from from sprue puller 11，After slide block 45 is pushed down on inclined-plane, pull bar 48 lower end，Drag hook 43 separates with slide block 45，The nut lower surface of stop screw 42 contacts with the counterbore base on fixed clamping plate 10 simultaneously，Stripper plate 9 held by stop screw 42，Stripper plate 9 holds solid plate 8 by limit pull rod 35，Mould goes out separately from C，Working of plastics abjection die cavity，After die sinking to working of plastics has enough abjection spaces，The moving platen of injector no longer rearward movement，At this moment，Injector push rod pushes liftout plate 2 and travels forward，Liftout plate 2 drives push pipe 21 to eject working of plastics.The method of three points of die drawing breakpoint cast gates of this programme and injection molding, by arranging spring 39 between stripper plate 9 and solid plate 8, drag hook 43 and slide block 45 are set outside mould, stop screw 42 and limit pull rod 35 are set simultaneously, it is achieved the automatic breaking of cast gate waste material and the abjection of runner waste material between fixed clamping plate 10 and stripper plate 9 and between stripper plate 9 and solid plate 8.
The above is only presently preferred embodiments of the present invention, is not the restriction that the present invention makees other form.Any those skilled in the art are changed possibly also with above-mentioned technology contents or are modified as the Equivalent embodiments changed on an equal basis.In every case being without departing from technical solution of the present invention content, the technical spirit of the foundation present invention, to any simple modification made for any of the above embodiments, equivalent variations and remodeling, still falls within the protection domain of technical solution of the present invention.
Claims (2)
- null1. three points of die drawing breakpoint gated injection moulds that a snap clasp is compound，Including cover half part and dynamic model part，Described cover half part is by fixed clamping plate (10)、Stripper plate (9)、Solid plate (8) forms，Centring ring (13) is installed on described fixed clamping plate (10)，Sprue bush (12) is arranged on fixed clamping plate (10)，And through stripper plate (9)，Sprue puller (11) is arranged on fixed clamping plate (10)，And through stripper plate (9)，Solid plate (8) upper surface processes counterbore，Spring (39) is wherein installed，Limit pull rod (35) upper end is fixed on stripper plate (9)，And through spring (39)，Lower end is stretched in the hole of solid plate (8) and backing plate (5)，Described limit pull rod (35) lower end is provided with the shoulder that diameter is bigger than the bore dia on solid plate (8)；nullDynamic model part is by backing plate (5)、Mould foot (33)、Moving clamping plate (1)、Liftout plate (2) and push rod fixed plate (3) composition，Its middle mold foot (33) is fixed on moving clamping plate (1)，Liftout plate (2) and push rod fixed plate (3) are installed between mould foot (33)，Push pipe (21) is arranged in push rod fixed plate (3)，And through backing plate (5) and moving die insert (17)，Stretch in die cavity，Backing plate (5) is arranged on mould foot (33)，It is characterized in that: pull bar (48) is installed on fixed clamping plate (10)，Slide block (45) is installed on solid plate (8)，Groove is had in the middle of slide block (45)，Pull bar (48) is through the groove of slide block (45)，Described pull bar (48) lower end is provided with reducing inclined-plane，Drag hook (43) is installed on backing plate (5)，When matched moulds state，Drag hook (43) hooks slide block (45)，Groove on the reducing inclined-plane of die sinking back stay (48) with slide block (45) contacts，Slide block (45) is moved right and drag hook (43) departs from.
- 2. three points of die drawing breakpoint gated injection moulds that snap clasp as claimed in claim 1 is compound, it is characterized in that: the distance of pull bar (48) straight section is more than limit pull rod (35) shoulder upper surface to the distance of counterbore base, and the distance of pull bar (48) straight section is than the distance of limit pull rod (35) shoulder upper surface to counterbore base and stop screw (42) nut lower surface and the little 5-8mm of distance sum of counterbore base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238982.7A CN105904662A (en) | 2016-04-18 | 2016-04-18 | Spring-hook composite triple parting pin-point gate injection mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610238982.7A CN105904662A (en) | 2016-04-18 | 2016-04-18 | Spring-hook composite triple parting pin-point gate injection mold |
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| Publication Number | Publication Date |
|---|---|
| CN105904662A true CN105904662A (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610238982.7A Pending CN105904662A (en) | 2016-04-18 | 2016-04-18 | Spring-hook composite triple parting pin-point gate injection mold |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009581A (en) * | 2017-05-24 | 2017-08-04 | 苏州工业职业技术学院 | It is a kind of to realize the injection mold that spot pouring mouth waste material safely, conveniently comes off |
| CN107030982A (en) * | 2017-06-06 | 2017-08-11 | 杭州科技职业技术学院 | Injection mold with combined type supporting construction |
| CN109203389A (en) * | 2018-11-23 | 2019-01-15 | 常州大学 | Drag hook sliding block cover half demoulding mechanism |
| CN113021790A (en) * | 2021-03-08 | 2021-06-25 | 重庆持恒模具有限公司 | Cubic ejection mechanism of seat adjustment handle |
| CN115107244A (en) * | 2022-07-15 | 2022-09-27 | 志源塑胶制品(惠州)有限公司 | Be applied to injection moulding device of unmanned aerial vehicle paddle |
| CN115179503A (en) * | 2022-08-17 | 2022-10-14 | 珠海城市职业技术学院 | Fine water port mold for realizing balanced filling and automatic material removal |
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| CN101733869A (en) * | 2008-11-21 | 2010-06-16 | 汉达精密电子(昆山)有限公司 | Positioning die opening mechanism |
| CN203171965U (en) * | 2013-03-26 | 2013-09-04 | 广东科技学院 | Full-automatic progressive precision injection mold frame |
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2016
- 2016-04-18 CN CN201610238982.7A patent/CN105904662A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101733869A (en) * | 2008-11-21 | 2010-06-16 | 汉达精密电子(昆山)有限公司 | Positioning die opening mechanism |
| CN203171965U (en) * | 2013-03-26 | 2013-09-04 | 广东科技学院 | Full-automatic progressive precision injection mold frame |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107009581A (en) * | 2017-05-24 | 2017-08-04 | 苏州工业职业技术学院 | It is a kind of to realize the injection mold that spot pouring mouth waste material safely, conveniently comes off |
| CN107030982A (en) * | 2017-06-06 | 2017-08-11 | 杭州科技职业技术学院 | Injection mold with combined type supporting construction |
| CN109203389A (en) * | 2018-11-23 | 2019-01-15 | 常州大学 | Drag hook sliding block cover half demoulding mechanism |
| CN113021790A (en) * | 2021-03-08 | 2021-06-25 | 重庆持恒模具有限公司 | Cubic ejection mechanism of seat adjustment handle |
| CN115107244A (en) * | 2022-07-15 | 2022-09-27 | 志源塑胶制品(惠州)有限公司 | Be applied to injection moulding device of unmanned aerial vehicle paddle |
| CN115107244B (en) * | 2022-07-15 | 2023-05-09 | 志源塑胶制品(惠州)有限公司 | Be applied to injection molding equipment of unmanned aerial vehicle paddle |
| CN115179503A (en) * | 2022-08-17 | 2022-10-14 | 珠海城市职业技术学院 | Fine water port mold for realizing balanced filling and automatic material removal |
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