CN105269769A - Double-power injection mold of multi-direction oblique and curved pin core pulling structure - Google Patents
Double-power injection mold of multi-direction oblique and curved pin core pulling structure Download PDFInfo
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- CN105269769A CN105269769A CN201510793635.6A CN201510793635A CN105269769A CN 105269769 A CN105269769 A CN 105269769A CN 201510793635 A CN201510793635 A CN 201510793635A CN 105269769 A CN105269769 A CN 105269769A
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- Prior art keywords
- plate
- core
- slide block
- fixed
- curved pin
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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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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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
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
- B29C45/332—Mountings or guides therefor; Drives therefor
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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
-
- 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
- B29C45/44—Removing or ejecting moulded articles for undercut articles
- B29C45/4435—Removing or ejecting moulded articles for undercut articles using inclined, tiltable or flexible undercut forming elements driven by the ejector means
-
- 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
- B29C2045/338—Mould parts with combined axial and transversal movements
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a double-power injection mold of a multi-direction oblique and curved pin core pulling structure. The double-power injection mold comprises a fixed mold bottom plate, a first oblique and curved pin, springs, first sliding blocks, a second oblique and curved pin, a second sliding block, a core fixing plate, an ejector rod, supporting blocks, a movable mold bottom plate, an ejecting plate, an ejector rod fixing plate, a demolding plate, a cavity plate, a fixed mold plate, a core, a fixed mold cushion plate and a cavity plate insert. During mold opening, the first oblique and curved pin is fixed to the fixed mold part side and does not move, the first sliding blocks drive a lateral forming core to move along with the movable mold part, the first sliding blocks move in a T-shaped groove in the oblique direction through the first oblique and curved pin and the springs, and the lateral external core pulling is finished. Finally, the ejecting plate of the mold is ejected through the ejector rod of an injection machine, and the ejecting plate drives an ejecting mechanism to eject a workpiece. The double-power injection mold is simple in structure and low in cost. Rapid core pulling is achieved through the mold opening action of the injection machine, the injection period is greatly shortened, the labor intensity is lowered, and the production efficiency is improved.
Description
Technical field
The invention belongs to Plastics Injection Molding Technology field, relate to a kind of injection molding, be specifically related to a kind of multi-direction have simultaneously side convex/recessed/mould of the plastic products injection moulding in hole.
Technical background
Along with family expenses small household electrical appliance function gets more and more, the structure of supporting working of plastics also becomes increasingly complex, especially the lateral layout of plastic go out increasing convex/recessed/structure such as hole, these structures often need to design core-pulling mechanism on mould.Usually realize side direction convex/recessed/mode of loosing core in hole has Angle Pin core-pulling mechanism, utilize the characteristic of the plastic material good springiness of product to use forced demoulding, be ejected together with product after utilizing loose plug shaping, oil cylinder or cylinder are loosed core.But when initial Core-pulling force is larger, it is inadequate that Angle Pin core-pulling mechanism exists rigidity, yielding grade is not enough; Forced stripper mechanism often causes product break and scrap; Loose plug causes labour intensity large, production efficiency etc.; Oil cylinder or cylinder are loosed core increase die cost, especially seem when core pulling distance is not very large and waste one's talent on a petty job.Therefore for the injection moulding of this series products, need to develop new mould structure to realize on above basis.
Summary of the invention
In view of the above, the object of the present invention is to provide a kind of injection molding with the double dynamical multidirectional pulled core structure of oblique curved pin, for solve space length between recessed on the upside of plastic product/male structure less and initial taking out force is larger time demoulding difficult problem, facilitate the demoulding of forming part.
Adopt technical scheme be: a kind of injection molding with the double dynamical multidirectional pulled core structure of oblique curved pin, is characterized in that: comprise fixed clamping plate, the first oblique curved pin, spring, the first slide block, the second oblique curved pin, the second slide block, core fixing plate, push rod), back-up block, moving clamping plate, liftout plate, push rod fixed head, stripper plate, cavity plate, solid plate, core, cover half backing plate, cavity plate insert, guide pillar, briquetting, T-slot briquetting, back-moving spring, locating piece and guide pin bushing;
Described solid plate, cover half backing plate and cavity plate insert utilize screw to be fixed together, and then utilize stop screw to link together with fixed clamping plate, define the cover half part of injection molding;
Described top board is assemblied in core fixing plate, and core passes top board and is fixed together with core fixing plate, together with back-up block, moving clamping plate are screwed with core fixing plate, forms the dynamic model part of injection molding;
Described guide pillar is fixed on described solid plate, and described guide pin bushing is fixed on described core fixing plate, and described locating piece is screwed on core fixing plate, the guide-localization mechanism of described guide pillar, guide pin bushing and locating piece composition mould;
Described liftout plate and push rod fixed head interior angle screw is fixed, push rod is fixed on liftout plate and between push rod fixed head, the other end of push rod and stripper plate link together and form the ejecting mechanism of injection molding;
Described first oblique curved pin, the second oblique curved pin upper end are all fixed on fixed clamping plate, lower end is inserted in corresponding first slide block and the second slide block respectively, first slide block and the second slide block utilize that the T-slot of bottom and the corresponding T-slot in described cavity plate are dynamic to be coordinated, and the side direction moulding section on the first slide block and the second slide block forms corresponding forming recess jointly to described core;
Described briquetting is screwed on solid plate, pushes down cavity plate insert, and described T-slot briquetting is screwed on solid plate, and form T-slot, described back-moving spring is arranged on push rod.
As preferably, between the first described slide block and cavity plate insert, spring is housed, the first slide block is provided with spacing retaining screw, the stroke of restriction slide block side core-pulling, the accurate contraposition of Angle Pin and slanting guide pillar hole when being convenient to matched moulds, thus makes slide block parking position accuracy.
The present invention has the following advantages and good effect compared with original technology:
1. core-pulling mechanism of the present invention adopts bending strength and the larger oblique curved pin of gradient and spring mechanism, and structure is simple, cost is low, utilizes injector die sinking action to realize loosing core fast, greatly shortens injection cycle.
2. overcome and adopt Angle Pin pulled core structure bending resistance poor, the shortcoming that angle is little.
3. avoid employing forced stripper mechanism, destroy product, ensure that the quality of product.
4. avoid adopting loose plug structure, reduce labour intensity, improve production efficiency.
Accompanying drawing explanation
Fig. 1: the sectional view being the embodiment of the present invention;
Fig. 2: be that the injection molding of the embodiment of the present invention is loosed core magnified partial view;
Fig. 3: be that the cover half part 3D of the embodiment of the present invention schemes;
Fig. 4: be that the dynamic model part 3D of the embodiment of the present invention schemes.
Detailed description of the invention
Understand for the ease of those of ordinary skill in the art and implement the present invention, below in conjunction with drawings and Examples, the present invention is described in further detail, should be appreciated that exemplifying embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
Ask for an interview Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of injection molding with the double dynamical multidirectional pulled core structure of oblique curved pin provided by the invention, comprises the oblique curved pin 2 of fixed clamping plate 1, first, oblique curved pin 5, second slide block 6 of spring 3, first slide block 4, second, core fixing plate 7, push rod 8, back-up block 9, moving clamping plate 10, liftout plate 11, push rod fixed head 12, stripper plate 13, cavity plate 14, solid plate 15, core 16, cover half backing plate 17, cavity plate insert 18, guide pillar 19, briquetting 20, T-slot briquetting 21, back-moving spring 22, locating piece 23 and guide pin bushing 24; Solid plate 15, cover half backing plate 17 and cavity plate insert 18 utilize screw to be fixed together, and then utilize stop screw to link together with fixed clamping plate 1, define the cover half part of injection molding; Top board 13 is assemblied in core fixing plate 7, and core 16 passes top board 13 and is fixed together with core fixing plate 7, together with back-up block 9, moving clamping plate 10 are screwed with core fixing plate 7, forms the dynamic model part of injection molding; Guide pillar 19 is fixed on solid plate 15, and guide pin bushing 24 is fixed on core fixing plate 7, and locating piece 23 is screwed on core fixing plate 7, and guide pillar 19, guide pin bushing 24 and locating piece 23 form the guide-localization mechanism of mould; Liftout plate 11 and push rod fixed head 12 interior angle screw are fixed, push rod 8 is fixed between liftout plate 11 and push rod fixed head 12, and the other end of push rod 8 and stripper plate 13 link together and form the ejecting mechanism of injection molding; First oblique curved pin 5 upper end of oblique curved pin 2, second is all fixed on fixed clamping plate 1, lower end is inserted in corresponding first slide block 4 and the second slide block 6 respectively, first slide block 4 and the second slide block 6 utilize that the T-slot of bottom and the corresponding T-slot in cavity plate 14 are dynamic to be coordinated, and the side direction moulding section on the first slide block 4 and the second slide block 6 forms corresponding forming recess jointly to core 16; Briquetting 20 is screwed on solid plate 15, pushes down cavity plate insert 18, and T-slot briquetting 21 is screwed on solid plate 15, and form T-slot, back-moving spring 22 is arranged on push rod 8.
Between first slide block 4 of the present embodiment and cavity plate insert 18, spring 3 is housed, the first slide block 4 is provided with spacing retaining screw, the stroke of restriction slide block side core-pulling, the accurate contraposition of Angle Pin and slanting guide pillar hole when being convenient to matched moulds, thus makes slide block parking position accuracy.
The double dynamical of the present embodiment is the Core-pulling force that after die sinking, the first oblique curved pin 2 and spring 3 provide respectively, and product structure has side direction recessed/convex in multiple directions to multidirectional referring to, needs to have loosed core the demoulding.
The present invention utilizes the die sinking of mould and ejects action, realize side direction on product recessed/convex/the shaping and demoulding of pore structure.During die sinking, it is motionless that oblique curved pin is fixed on cover half part side, first slide block 4 drives side direction forming core to move along with dynamic model part, under the effect of the first oblique curved pin 2 and spring 3, first slide block 4 moves in T-slot along oblique, complete outside side direction and loose core, push the liftout plate 11 of mould finally by push rod 8, liftout plate 11 drives ejecting mechanism to eject product.
The present embodiment is after injection completes, mould is opened under the effect of injector, dynamic model part retreats, mould is from parting between solid plate 15 and cavity plate 14, first slide block 4 is along with the retrogressing of dynamic model part, first oblique curved pin 2 is fixed on fixed clamping plate 1 motionless, therefore, first slide block 4 produces side direction componental movement under the effect of spring 3 and the first oblique curved pin 2, thus completes side core-pulling, after being separated by a distance, the liftout plate 11 of injector push rod 8 moving mold, ejecting mechanism is driven to eject product, and then matched moulds, complete shot forming process.
Although this description more employs the terms such as the oblique curved pin 2 of fixed clamping plate 1, first, oblique curved pin 5, second slide block 6 of spring 3, first slide block 4, second, core fixing plate 7, push rod 8, back-up block 9, moving clamping plate 10, liftout plate 11, push rod fixed head 12, stripper plate 13, cavity plate 14, solid plate 15, core 16, cover half backing plate 17, cavity plate insert 18, guide pillar 19, briquetting 20, T-slot briquetting 21, back-moving spring 22, locating piece 23 and guide pin bushing 24, do not get rid of the possibility using other terms.Use these terms to be only used to describe essence of the present invention more easily, the restriction that they are construed to any one additional is all contrary with spirit of the present invention.
Should be understood that, the part that this description does not elaborate all belongs to prior art.
Should be understood that; the above-mentioned description for preferred embodiment is comparatively detailed; therefore the restriction to scope of patent protection of the present invention can not be thought; those of ordinary skill in the art is under enlightenment of the present invention; do not departing under the ambit that the claims in the present invention protect; can also make and replacing or distortion, all fall within protection scope of the present invention, request protection domain of the present invention should be as the criterion with claims.
Claims (2)
1. one kind has the injection molding of the double dynamical multidirectional pulled core structure of oblique curved pin, it is characterized in that: comprise fixed clamping plate (1), first oblique curved pin (2), spring (3), first slide block (4), second oblique curved pin (5), second slide block (6), core fixing plate (7), push rod (8), back-up block (9), moving clamping plate (10), liftout plate (11), push rod fixed head (12), stripper plate (13), cavity plate (14), solid plate (15), core (16), cover half backing plate (17), cavity plate insert (18), guide pillar (19), briquetting (20), T-slot briquetting (21), back-moving spring (22), locating piece (23) and guide pin bushing (24),
Described solid plate (15), cover half backing plate (17) and cavity plate insert (18) utilize screw to be fixed together, and then utilize stop screw to link together with fixed clamping plate (1), define the cover half part of injection molding;
Described top board (13) is assemblied in core fixing plate (7), core (16) is through top board (13) and be fixed together with core fixing plate (7), together with back-up block (9), moving clamping plate (10) are screwed with core fixing plate (7), form the dynamic model part of injection molding;
Described guide pillar (19) is fixed on described solid plate (15), described guide pin bushing (24) is fixed on described core fixing plate (7), described locating piece (23) is screwed on core fixing plate (7), the guide-localization mechanism of described guide pillar (19), guide pin bushing (24) and locating piece (23) composition mould;
Described liftout plate (11) and push rod fixed head (12) interior angle screw are fixed, push rod (8) is fixed between liftout plate (11) and push rod fixed head (12), and the other end of push rod (8) and stripper plate (13) link together and form the ejecting mechanism of injection molding;
Described first oblique curved pin (2), the second oblique curved pin (5) upper end are all fixed on fixed clamping plate (1), lower end is inserted in corresponding first slide block (4) and the second slide block (6) respectively, first slide block (4) and the second slide block (6) utilize that the T-slot of bottom and the corresponding T-slot in described cavity plate (14) are dynamic to be coordinated, and the side direction moulding section on the first slide block (4) and the second slide block (6) and described core (16) form corresponding forming recess jointly;
Described briquetting (20) is screwed on solid plate (15), push down cavity plate insert (18), described T-slot briquetting (21) is screwed on solid plate (15), and form T-slot, described back-moving spring (22) is arranged on push rod (8).
2. the injection molding with the double dynamical multidirectional pulled core structure of oblique curved pin according to claim 1, it is characterized in that: between described the first slide block (4) and cavity plate insert (18), spring (3) is housed, first slide block (4) is provided with spacing retaining screw, the stroke of restriction slide block side core-pulling, the accurate contraposition of Angle Pin and slanting guide pillar hole when being convenient to matched moulds, thus make slide block parking position accuracy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510793635.6A CN105269769B (en) | 2015-11-18 | 2015-11-18 | A kind of injection molding with the double dynamical oblique curved multidirectional pulled core structure of pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510793635.6A CN105269769B (en) | 2015-11-18 | 2015-11-18 | A kind of injection molding with the double dynamical oblique curved multidirectional pulled core structure of pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105269769A true CN105269769A (en) | 2016-01-27 |
| CN105269769B CN105269769B (en) | 2018-02-09 |
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| CN201510793635.6A Active CN105269769B (en) | 2015-11-18 | 2015-11-18 | A kind of injection molding with the double dynamical oblique curved multidirectional pulled core structure of pin |
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| CN (1) | CN105269769B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079301A (en) * | 2016-08-15 | 2016-11-09 | 思柏精密模具注塑（无锡）有限公司 | The precision die of camera battery shell |
| CN106182640A (en) * | 2016-09-18 | 2016-12-07 | 福州大学 | Varied angle curved pin core-pulling die and method of work thereof for abnormity tapering goods |
| CN106626262A (en) * | 2017-02-27 | 2017-05-10 | 沙洲职业工学院 | Mold for packing box of in-ear monitor |
| CN107988837A (en) * | 2016-10-26 | 2018-05-04 | 南京造币有限公司 | A kind of watermark mould fast-positioning device and method |
| CN111070576A (en) * | 2019-12-27 | 2020-04-28 | 宁波奥克斯电气股份有限公司 | Bidirectional core-pulling mechanism based on combination of sliding block and bent pin |
| CN111605144A (en) * | 2020-06-02 | 2020-09-01 | 付欢欢 | Novel thread side core-pulling injection mold |
| CN113275571A (en) * | 2021-05-06 | 2021-08-20 | 深圳市聚鑫金属粉末冶金有限公司 | Manufacturing die of MIM workpiece and workpiece processing method |
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| CN103737857A (en) * | 2013-12-11 | 2014-04-23 | 思柏精密模具注塑（无锡）有限公司 | Composite core pulling type precision mold |
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| CN103737857A (en) * | 2013-12-11 | 2014-04-23 | 思柏精密模具注塑（无锡）有限公司 | Composite core pulling type precision mold |
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| 霍晗等: "《注射模具设计及应用实例》", 31 July 2011 * |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106079301A (en) * | 2016-08-15 | 2016-11-09 | 思柏精密模具注塑（无锡）有限公司 | The precision die of camera battery shell |
| CN106182640A (en) * | 2016-09-18 | 2016-12-07 | 福州大学 | Varied angle curved pin core-pulling die and method of work thereof for abnormity tapering goods |
| CN107988837A (en) * | 2016-10-26 | 2018-05-04 | 南京造币有限公司 | A kind of watermark mould fast-positioning device and method |
| CN107988837B (en) * | 2016-10-26 | 2019-07-16 | 南京造币有限公司 | A kind of watermark mould fast-positioning device and method |
| CN106626262A (en) * | 2017-02-27 | 2017-05-10 | 沙洲职业工学院 | Mold for packing box of in-ear monitor |
| CN111070576A (en) * | 2019-12-27 | 2020-04-28 | 宁波奥克斯电气股份有限公司 | Bidirectional core-pulling mechanism based on combination of sliding block and bent pin |
| CN111605144A (en) * | 2020-06-02 | 2020-09-01 | 付欢欢 | Novel thread side core-pulling injection mold |
| CN113275571A (en) * | 2021-05-06 | 2021-08-20 | 深圳市聚鑫金属粉末冶金有限公司 | Manufacturing die of MIM workpiece and workpiece processing method |
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| Publication number | Publication date |
|---|---|
| CN105269769B (en) | 2018-02-09 |
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Inventor after: Qian Yingping Inventor after: Jiao Yang Inventor after: Huang Juhua Inventor after: Zhou Xizhi Inventor after: Cheng Chaowen Inventor after: Yi Guofeng Inventor after: Gong Xuedan Inventor after: Yi Ju Inventor before: Qian Yingping Inventor before: Huang Juhua Inventor before: Zhou Xizhi Inventor before: Cheng Chaowen Inventor before: Yi Guofeng Inventor before: Gong Xuedan Inventor before: Yi Ju |
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Effective date of registration: 20230526 Address after: 437100 No. 88 Tongjiang Avenue, Xian'an District, Xianning City, Hubei Province Patentee after: XIANNING HONGSHENG MOULD TECHNOLOGY Co.,Ltd. Address before: 430068 1, Lijia 1 village, Nanhu, Wuchang District, Wuhan, Hubei Patentee before: HUBEI University OF TECHNOLOGY |
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