CN103419331B - Core pulling injection mold for manufacturing multi-inclined-hole products - Google Patents
Core pulling injection mold for manufacturing multi-inclined-hole products Download PDFInfo
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- CN103419331B CN103419331B CN201310310471.8A CN201310310471A CN103419331B CN 103419331 B CN103419331 B CN 103419331B CN 201310310471 A CN201310310471 A CN 201310310471A CN 103419331 B CN103419331 B CN 103419331B
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Abstract
The invention relates to a core pulling injection mold for manufacturing multi-inclined-hole products, and mainly solves the problems about complex structure and cumber in operation during use of the existing injection mold, especially the difficulty in machining small workpieces and multi-inclined-hole workpieces. A plurality of inclined-penetration lower core pulling slideways (72) are arranged in a lower mold cavity (7); a lower core pulling elastic rod (5) is matched with the interior of each lower core pulling slideway (72) in a sliding way; a lower pulling needle (52) is arranged at the top end of each lower core pulling elastic rod (5) and stretches into a cavity (10), and the other end of each lower core pulling elastic rod (5) is in top press fit with a lower plate (4); lower elastic resetting parts (51) driving the lower core pulling elastic rods (5) to be far away from the cavity (10) are arranged between the lower core pulling elastic rods (5) and the lower mold cavity (7). The core pulling injection mold is simple in structure and convenient to operate, and can well realize multi-core-pulling operation and large-angle core pulling operation.
Description
Technical field
The present invention relates to a kind of injection mould, refer in particular to a kind of loose-core injection mould for the production of effusion wall product.
Background technology
Plastic mould is that existing product manufactures the conventional mould in field, and its usual structure has two template dies, three template dies, I-shaped mould and straight body mould.In the production of injecting products, many times relate to this step of loosing core, and the mode of loosing core varies, wherein have one to be inclined hole and loose core.On existing market, the inclined hole of product is constantly diversified, when multi-faceted inclined-hole part, to loose core mode according to single inclined hole classification, then need to configure a set of core-pulling device to each inclined hole, whole mould structure can be caused huge, when especially processing small size workpiece, be difficult to meet structure needs; To loose core mode according to multistation, angle of being loosed core and structure limit simultaneously, then easily loose core not in place, reset not cause on earth and damages, the defects such as the very difficult control of production precision.
Summary of the invention
In order to overcome deficiency in background technology and defect, the invention provides a kind of loose-core injection mould for the production of effusion wall product, mainly solve existing injection mould and there is complex structure, complex operation in use, especially process the problem of small size workpiece and effusion wall workpiece difficulty.
Technical scheme of the present invention is: a kind of loose-core injection mould for the production of effusion wall product, comprise and be superimposed with upper plate successively from top to bottom, upper match plate, lower match plate and lower plate, core rod is provided with in described upper match plate and lower match plate, described core rod comprises the upper cores be fixed in lower match plate and the lower die be fixed in lower match plate, described upper cores coordinates with lower die and forms die cavity, described die cavity is connected with injection molding tube, be provided with in described lower die under several tilt to run through and loose core slideway, loose core under described in slideway and be sliding combined with down elastic rod of loosing core, elastic rod top of loosing core under described is provided with lower drawn needle and stretches into die cavity, the other end and the press-fit of lower plate top, loose core under described to be provided with between elastic rod and lower die and order about its lower elastic reset part away from die cavity.
Be provided with in described upper cores tilt to run through some on to loose core slideway, loose core on described in slideway and be sliding combined with elastic rod of loosing core, elastic rod top of loosing core on described is provided with drawn needle and stretches into die cavity, the other end and the press-fit of upper plate top, loose core on described to be provided with between elastic rod and upper cores and order about its upper elastic reset part away from die cavity.
Described lower plate is connected with king-rod of loosing core, described in king-rod of loosing core run through lower match plate and lower die stretches into die cavity.
Be provided with in described lower plate with described under the top that elastic rod one end matches of loosing core press storage tank.
Described lower die is fitted with the die cap be connected with lower plate, loose core under described elastic rod and the clamping of die cap phase.
Described die cap side is provided with inclined plane, described in corresponding lower plate one end of elastic rod of loosing core be provided with the bulge loop with inclined plane clamping.
Be connected by the first elastic component between described upper plate with upper match plate.
Be connected by the second elastic component between described lower plate with lower match plate.
Described upper plate is provided with the tilted block with elastic rod top press-fit of above loosing core, the inclined plane of described tilted block (12) with described on loose core that elastic rod is vertical to be arranged.
Slideway of loosing core under described is provided with five groups, and circumference is uniformly distributed in lower die.
Beneficial effect of the present invention: owing to taking such scheme, loose-core injection mould for the production of effusion wall product of the present invention, when preparing injection moulding, first by upper match plate and lower match plate matched moulds, then upper plate and lower plate carry out secondary mould closing again, by the matched moulds jacking force of upper and lower plates, core_pulling pole is pushed die cavity simultaneously, by injection molding tube, the rubber of melting or plastics are injected die cavity, complete injection moulding process; After injection moulding completes, first will be located at upper plate and the lower plate parting of both sides, depart from the multiple core_pulling poles with its conflict, and make core_pulling pole obtain activity space surplus, the elastic reset part action in core_pulling pole, and make core_pulling pole depart from die cavity, complete the process of loosing core; Then, by upper match plate and lower match plate parting, take out the product after loosing core, complete product preparation process.Adopt upper and lower plates to push up pressure to many core_pulling poles makes it enter mould operation simultaneously, it is secondary that each core_pulling pole is equipped with the effect of independently loosing core, well to small size and the injection moulding of effusion wall work pieces process, structure can be had simple, easy to operate, well realize loosing core and wide angle core-pulling operation more.
Accompanying drawing explanation
Fig. 1 is the structural representation of the embodiment of the present invention.
Fig. 2 is partial schematic sectional view in Fig. 1.
Fig. 3 is the partial enlarged drawing at A place in Fig. 2.
Fig. 4 is the partial enlarged drawing at B place in Fig. 2.
Fig. 5 is STRUCTURE DECOMPOSITION schematic diagram in Fig. 1.
Fig. 6 is the STRUCTURE DECOMPOSITION schematic diagram of core rod in Fig. 1.
Fig. 7 is the structural representation of counterdie in Fig. 1.
In figure, 1-upper plate, the upper match plate of 2-, match plate under 3-, 31-second elastic component, 4-lower plate, 41-top pressure storage tank, elastic rod of loosing core under 5-, elastic reset part under 51-, drawn needle under 52-, 53-bulge loop, 6-is loosed core king-rod, die under 7-, 71-die cap, 711-inclined plane, slideway of loosing core under 72-, 8-upper cores, 81-to be loosed core slideway, elastic rod that 9-is loosed core, the upper elastic reset part of 91-, the upper drawn needle of 92-, 10-die cavity, 11-injection molding tube, 12-tilted block, 13-first elastic component.
Detailed description of the invention
For accompanying drawing, embodiments of the invention are described further below:
Shown in figure, should for the production of the loose-core injection mould of effusion wall product, mainly for the production of auto parts machinery and loudspeaker accessory, comprise and be superimposed with upper plate 1 successively from top to bottom, upper match plate 2, lower match plate 3 and lower plate 4, core rod is provided with in described upper match plate 2 and lower match plate 3, described core rod comprises the upper cores 8 be fixed in lower match plate 3 and the lower die 7 be fixed in lower match plate 3, described upper cores 8 coordinates with lower die 7 and forms die cavity 10, described die cavity 10 is connected with injection molding tube 11, be provided with in described lower die 7 under several tilt to run through and loose core slideway 72, loose core under described in slideway 72 and be sliding combined with down elastic rod 5 of loosing core, elastic rod 5 top of loosing core under described is provided with lower drawn needle 52 and stretches into die cavity 10, the other end and lower plate 4 push up press-fit, loose core under described to be provided with between elastic rod 5 and lower die 7 and order about its lower elastic reset part 51 away from die cavity 10.When preparing injection moulding, first by upper match plate and lower match plate matched moulds, then upper plate and lower plate carry out secondary mould closing again, by the matched moulds jacking force of upper and lower plates, core_pulling pole are pushed die cavity simultaneously, by injection molding tube, the rubber of melting or plastics are injected die cavity, complete injection moulding process; After injection moulding completes, first will be located at upper plate and the lower plate parting of both sides, depart from the multiple core_pulling poles with its conflict, and make core_pulling pole obtain activity space surplus, the elastic reset part action in core_pulling pole, and make core_pulling pole depart from die cavity, complete the process of loosing core; Then, by upper match plate and lower match plate parting, take out the product after loosing core, complete product preparation process.Adopt upper and lower plates to push up pressure to many core_pulling poles makes it enter mould operation simultaneously, it is secondary that each core_pulling pole is equipped with the effect of independently loosing core, well to small size and the injection moulding of effusion wall work pieces process, can there is simple, easy to operate, the good realization of structure and loose core and wide angle core-pulling operation more.
Be provided with in described upper cores 8 tilt to run through some on to loose core slideway 81, loose core on described in slideway 81 and be sliding combined with elastic rod 9 of loosing core, elastic rod 9 top of loosing core on described is provided with drawn needle 92 and stretches into die cavity 10, the other end and upper plate 1 push up press-fit, loose core to be provided with between elastic rod 9 and upper cores 8 to order about its upper elastic reset part 91 away from die cavity 10 on described.Track of loosing core on described can arrange one or more groups according to product needed, is provided with one group as track of loosing core on preferably described.On this, core_pulling pole and lower core_pulling pole complete operation of loosing core simultaneously, make loose core angle and mode diversification, improve product applicability.
Described lower plate 4 is connected with king-rod 6 of loosing core, described in king-rod 6 of loosing core run through lower match plate 3 and lower die 7 stretches into die cavity 10.While upper and lower plates completes parting, also drive king-rod of loosing core to depart from die cavity, complete mesopore and to loose core operation, easy to operate.
Be provided with in described lower plate 4 with described under the top that elastic rod 5 one end matches of loosing core press storage tank 41.When matched moulds and parting, the elastic rod one end that makes down to loose core press in storage tank with top and is pushed up press-fit, effectively prevents down elastic rod play of loosing core, raising operational stability.
Described lower die 7 is fitted with the die cap 71 be connected with lower plate 4, loose core under described elastic rod 5 and the clamping of die cap 71 phase.When parting is loosed core, match with the lower elastic reset part elastic rod that simultaneously makes down to loose core of die cap departs from die cavity, effectively prevents lower elastic reset part elastic failure and causes loosing core unsuccessfully, improving loose core stability and efficiency of loosing core.
Described die cap 71 side is provided with inclined plane 711, described in corresponding lower plate 4 one end of elastic rod of loosing core be provided with the bulge loop 53 with inclined plane 711 clamping.Adopt inclined-plane freely to coordinate, can not only unidirectional under the loose core pushing tow of elastic rod make it depart from die cavity, and avoid down loosing core elastic rod and die cap stuck.
Be connected by the first elastic component 13 between described upper plate 1 with upper match plate 2.Described first elastic component can be the elastic components such as common spring, elastic webbing and elasticity clamp, during parting, by the elastic force effect of spring, makes to leave between upper plate and upper match plate certain interval, the activity surplus of loosing core of elastic rod that guarantee is loosed core.
Be connected by the second elastic component 31 between described lower plate 4 with lower match plate 3.Described second elastic component can be the elastic components such as common spring, elastic webbing and elasticity clamp, during parting, by the elastic force effect of spring, makes to leave between lower plate and lower match plate certain interval, the activity surplus of loosing core of elastic rod of loosing core under guarantee.
Described upper plate 1 is provided with the tilted block 12 pushing up press-fit with elastic rod 9 of above loosing core, the inclined plane 711 of described tilted block 12 with described on loose core that elastic rod 9 is vertical to be arranged.Described inclination can load in upper plate for Split plugging soon, also can be wholely set with upper plate.Not only give to loose core unidirectional spacing when spring looses core operation of elastic rod, and when matched moulds, to the vertical top pressure effect of elastic rod of above loosing core, improve matched moulds stability.
Described core rod can be provided with one or more groups, is provided with two groups as preferred described core rod, and arrangement is located at match plate 2 with in lower match plate 3, makes this mould can process two products simultaneously, enhances productivity.
Slideway 72 of loosing core under described can be provided with one or more groups, and be provided with five groups as track of loosing core under preferably described, circumference is uniformly distributed in lower die 7.Track of loosing core under according to product needed can adopt the distribution of helical form circumference, also can adopt radial distribution, adopt circumferential even distribution pattern, improve Product processing convenience and stability.
Embodiment should not be considered as the restriction to invention, but any improvement done based on spirit of the present invention, all should within protection scope of the present invention.
Claims (9)
1. the loose-core injection mould for the production of effusion wall product, comprise and be superimposed with upper plate (1) from top to bottom successively, upper match plate (2), lower match plate (3) and lower plate (4), core rod is provided with in described upper match plate (2) and lower match plate (3), described core rod comprises the upper cores (8) be fixed in match plate and the lower die (7) be fixed in lower match plate (3), described upper cores (8) coordinates with lower die (7) and forms die cavity (10), described die cavity (10) is connected with injection molding tube (11), it is characterized in that: be provided with in described lower die (7) under several tilt to run through and loose core slideway (72), loose core under described in slideway (72) and be sliding combined with down elastic rod of loosing core (5), elastic rod (5) top of loosing core under described is provided with lower drawn needle (52) and stretches into die cavity (10), the other end and lower plate (4) push up press-fit, loose core under described to be provided with between elastic rod (5) and lower die (7) and order about its lower elastic reset part (51) away from die cavity (10), described lower die (7) is fitted with the die cap (71) be connected with lower plate (4), to loose core under described elastic rod (5) and die cap (71) phase clamping, when parting is loosed core, match with the lower elastic reset part elastic rod that simultaneously makes down to loose core of die cap departs from die cavity.
2. according to the loose-core injection mould for the production of effusion wall product described in claim 1, it is characterized in that: be provided with in described upper cores (8) tilt to run through some on to loose core slideway (81), loose core on described in slideway (81) and be sliding combined with elastic rod of loosing core (9), elastic rod (9) top of loosing core on described is provided with drawn needle (92) and stretches into die cavity (10), the other end and upper plate (1) push up press-fit, be provided with and order about its upper elastic reset part (91) away from die cavity (10) on described between elastic rod of loosing core (9) and upper cores (8).
3. according to the loose-core injection mould for the production of effusion wall product described in claim 1, it is characterized in that: described lower plate (4) is connected with king-rod of loosing core (6), described in king-rod (6) of loosing core run through lower match plate (3) and lower die (7) stretches into die cavity (10).
4., according to the loose-core injection mould for the production of effusion wall product described in claim 1, it is characterized in that: be provided with in described lower plate (4) with described under the top that elastic rod (5) one end matches of loosing core press storage tank (41).
5. according to the loose-core injection mould for the production of effusion wall product described in claim 1, it is characterized in that: described die cap (71) side is provided with inclined plane (711), described in corresponding lower plate (4) one end of elastic rod of loosing core be provided with the bulge loop (53) with inclined plane (711) clamping.
6. the loose-core injection mould for the production of effusion wall product according to any one of claim 1-4, is characterized in that: be connected by the first elastic component (13) between described upper plate (1) with upper match plate (2).
7. the loose-core injection mould for the production of effusion wall product according to any one of claim 1-4, is characterized in that: be connected by the second elastic component (31) between described lower plate (4) with lower match plate (3).
8. the loose-core injection mould for the production of effusion wall product according to any one of claim 2, it is characterized in that: described upper plate (1) is provided with the tilted block (12) pushing up press-fit with elastic rod of above loosing core (9), the inclined plane (711) of described tilted block (12) with described on loose core that elastic rod (9) is vertical to be arranged.
9. the loose-core injection mould for the production of effusion wall product according to any one of claim 1-4, is characterized in that: slideway (72) of loosing core under described is provided with five groups, and circumference is uniformly distributed in lower die (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310310471.8A CN103419331B (en) | 2013-07-23 | 2013-07-23 | Core pulling injection mold for manufacturing multi-inclined-hole products |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310310471.8A CN103419331B (en) | 2013-07-23 | 2013-07-23 | Core pulling injection mold for manufacturing multi-inclined-hole products |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103419331A CN103419331A (en) | 2013-12-04 |
| CN103419331B true CN103419331B (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310310471.8A Expired - Fee Related CN103419331B (en) | 2013-07-23 | 2013-07-23 | Core pulling injection mold for manufacturing multi-inclined-hole products |
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| CN (1) | CN103419331B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105881834A (en) * | 2014-12-29 | 2016-08-24 | 宁波东昊汽车部件有限公司 | Porous oblique core drawing mechanism for injection mold |
| CN107127935B (en) * | 2017-06-14 | 2019-03-22 | 嘉兴学院 | A multi-directional hole forming device |
| CN108312445B (en) * | 2018-05-04 | 2024-02-27 | 思柏精密科技股份有限公司 | Injection mold at bottom of oilcan kettle |
| CN109262991B (en) * | 2018-12-06 | 2019-10-11 | 燕山大学 | A multi-directional core-pulling injection mold for spherical skeleton parts |
| CN109604556A (en) * | 2018-12-11 | 2019-04-12 | 东莞市铭旺模具有限公司 | Core-pulling injection mold |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947823A (en) * | 2010-09-13 | 2011-01-19 | 凡嘉科技（无锡）有限公司 | Spring contact core-loosing structure of mould for product with inclined hole on side |
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2013
- 2013-07-23 CN CN201310310471.8A patent/CN103419331B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101947823A (en) * | 2010-09-13 | 2011-01-19 | 凡嘉科技（无锡）有限公司 | Spring contact core-loosing structure of mould for product with inclined hole on side |
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| CN103419331A (en) | 2013-12-04 |
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Address after: Yongjia oubeizhen Wenzhou County of Zhejiang province 325105 city and three villages Applicant after: ZHEJIANG QUNZHEN TECHNOLOGY Co.,Ltd. Address before: Yongjia oubeizhen Wenzhou County of Zhejiang province 325000 city and three villages Applicant before: ZHEJIANG JINTE MOLD Co.,Ltd. |
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Free format text: CORRECT: APPLICANT; FROM: ZHEJIANG JINTE MOLD CO.,LTD. TO: ZHEJIANG QUNZHEN TECHNOLOGY CO., LTD. |
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