CN102357951A - Precision mold for cosmetic internal screw thread member - Google Patents
Precision mold for cosmetic internal screw thread member Download PDFInfo
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- CN102357951A CN102357951A CN 201110229991 CN201110229991A CN102357951A CN 102357951 A CN102357951 A CN 102357951A CN 201110229991 CN201110229991 CN 201110229991 CN 201110229991 A CN201110229991 A CN 201110229991A CN 102357951 A CN102357951 A CN 102357951A
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Abstract
The invention relates to a precision mold for a cosmetic internal screw thread member, which belongs to the technical field of plastic molds. The precision mold comprises two great parts, i.e., a front mold and a rear mold; grooves arranged at adjacent surfaces of a front mold fixing plate and a stripper plate in the part of the front mold form a row of fixing grooves, core loosing means are connected with the fixing grooves through a rolling bearing, a power gear is arranged in the fixing grooves, the power gear is externally connected with a motor and internally connected with transmission gears of every core loosing means, the transmission gears are in fixed connection with a rotation shaft which is led out downwards, a fixed block is provided at the joint of the rotation shaft and the stripper plate, the body of the rotation shaft is provided with a core returning rod, the lower end of the core returning rod is connected with a core through fixing pins, and the core returning rod is slidably connected with a fixing sleeve; the mold orifice of a front core insert and the mold orifice of a rear core insert closely penetrate each other. According to the invention, de-threading is realized by loosing a core with gears; precision of the mold reaches 0.01 mm, precision of a product reaches 0.05 mm, and the advantages like high production efficiency are achieved.
Description
Technical field
The invention belongs to the plastic moulds technology field, relate to the loose core precision die of inner threaded member of form of a kind of gear drive, particularly a kind of precision die of cosmetics inner threaded member.
Background technology
The cosmetics inner threaded member is in the cosmetics use, promotes cosmetics and stretches out the outer a kind of transmission device of packing pen, and be the critical component in the cosmetics member; Uniform and smooth and the stable molding degree of its internal thread is directly determining the result of use of cosmetics, particularly some cosmetics of super quality, and each member of cosmetics is all required exquisiteness; Because of component quality cause influence production marketing and product orientation never are allowed to; Therefore, the mould of producing is required very high, and the screw thread technology of taking off of prior art have two kinds a kind of be the manual product of back-outing; Production efficiency can not get improving, and quality also is difficult to guarantee; Also having a kind of is exactly that tooth bar is loosed core, owing to be difficult to accurate control, ratio of precision is lower so tooth bar is loosed core.
Summary of the invention
To the problem that exists in the prior art, content of the present invention is to provide a kind of precision die of cosmetics inner threaded member of the gear-driven form of loosing core.
Technical solution of the present invention is: it comprises front mould and back mould two large divisions; The front mould part comprises front mould fixed head, stripper plate, A plate, preceding die from top to bottom successively, and back mould part comprises back die, B plate, mould pin, back mould fixed head from top to bottom successively; The groove that front mould fixed head and stripper plate adjacent surface are provided with is formed row's holddown groove, and core-pulling device comprises rolling bearing, power gear, travelling gear, turning cylinder, core return bar 23, fixed cover, fixing pin, and core; Core-pulling device is connected with holddown groove through rolling bearing, and power gear is located in the holddown groove, the external motor of power gear; Be connected with the travelling gear of each core-pulling device in the power gear, travelling gear is fixedly connected with turning cylinder, and turning cylinder is derived downwards; Turning cylinder is connected the exit with stripper plate and is provided with fixed block; On the turning cylinder axle body below the fixed block, be provided with core return bar, core return bar 23 axially and turning cylinder is spacing is slidingly connected, and radially is fixedly connected with turning cylinder; Core return bar lower end is connected with core through fixing pin, and core return bar and fixed cover are slidingly connected; The A plate is provided with guide groove and is connected with fixed cover, and preceding die is fixedly connected with the A plate through bolt, and the die orifice of preceding die is inserted with the die orifice of back die and worn.
Preferably: be provided with eight cover core-pulling devices in the described holddown groove; Core-pulling device is connected with holddown groove through eight pairs of rolling bearings respectively; Power gear is connected with the travelling gear of eight cover core-pulling devices simultaneously, and power gear is overall gear rod or the synchronous gear stick that is interrupted.
The same end of front mould fixed head, stripper plate and A plate is connected through guide pillar, and the front mould fixed head is fixedly connected with guide pillar with stripper plate, and the A plate is connected with the guide pillar slide-and-guide through guide pin bushing;
The other end of front mould fixed head, stripper plate and A plate is connected through caging bolt is spacing; Front mould fixed head and stripper plate and caging bolt are spacing to be slidingly connected, and the A plate is fixedly connected with caging bolt, is provided with spring between stripper plate and the A plate; Spring housing is on caging bolt, and the A plate is provided with spring base;
The below of A plate is connected with Angle Pin, and Angle Pin is packed into, and the cushion block through the Angle Pin upper end is fixedly connected in the A plate, and Angle Pin is slidingly connected with the take-up housing of back mould part;
Back mould partly comprises the thimble panel, Ejector Retainer Plate, anti-module, take-up housing, slide block mold insert, push pedal guide pillar, ejector guide pillar; Take-up housing and B plate are slidingly connected; Take-up housing is provided with anti-module, and take-up housing is connected with the slide block mold insert, and the slide block mold insert is slidingly connected with the back die.
The present invention provides a kind of novel core-pulling mechanism that is connected to deviate from screw thread by the revolution driven gear; Loose core through gear and to realize taking off screw thread, it is high to have the product precision, and mould and die accuracy reaches 0.01mm; The product precision reaches 0.05mm; The production efficiency advantages of higher, thus overcome manually turn round screw efficiency low with the tooth bar low defective of precision of loosing core, shortened the production cycle greatly and improved the product precision.
Description of drawings
Fig. 1 is the embodiment of the invention 1 a matched moulds view.
Fig. 2 is the embodiment of the invention 1 die sinking for the first time rear thread fuse view of loosing core.
Fig. 3 is that the embodiment of the invention 1 die sinking for the second time and product eject view.
Fig. 4 is that the embodiment of the invention 1 is taken off the helicitic texture sketch map automatically.
Fig. 5 is the embodiment of the invention 1 process sketch map of loosing core.
Fig. 6 is that the embodiment of the invention 1 product advances glue ranking structural representation.
Among the figure: front mould fixed head 1, stripper plate 2, A plate 3, B plate 4, mould leg 5, back mould fixed head 6, thimble panel 7; Ejector Retainer Plate 8, limited block 9, Angle Pin 10, anti-module 11, spring 12, guide pin bushing 13, guide pillar 14; Take-up housing 15, preceding die 16, back die 17, slide block mold insert 18, push pedal guide pillar 19, ejector guide pillar 20; Caging bolt 21, turning cylinder 22, core return bar 23, fixed cover 24, core fixing pin 25, core 26.
The specific embodiment
The present invention can further describe the present invention through following embodiment through practical implementation in the technology of explaining in the summary of the invention, yet scope of the present invention is not limited to following embodiment.
Embodiment 1:
It comprises front mould and back mould two large divisions, and the front mould part comprises front mould fixed head 1, stripper plate 2, A plate 3, preceding die 16 from top to bottom successively, and back mould part comprises back die 17, B plate 4, mould pin 5, back mould fixed head 6 from top to bottom successively; Front mould fixed head 1 is formed row's holddown groove with the groove that stripper plate 2 adjacent surfaces are provided with, and core-pulling device comprises rolling bearing, power gear, travelling gear, turning cylinder 22, core return bar 23, fixed cover 24, fixing pin 25 and core 26; Core-pulling device is connected with holddown groove through rolling bearing, and power gear is located in the holddown groove, the external motor of power gear; Be connected with the travelling gear of each core-pulling device in the power gear, travelling gear is fixedly connected with turning cylinder 22, and turning cylinder 22 is derived downwards; Turning cylinder 22 is connected the exit with stripper plate 2 and is provided with fixed block; On 22 axle bodies of the turning cylinder below the fixed block, be provided with core return bar 23, core return bar 23 axial and turning cylinder 22 spacing being slidingly connected radially are fixedly connected with turning cylinder 22; Core return bar 23 lower ends are connected with core 26 through fixing pin 25, and core return bar 23 is slidingly connected with fixed cover 24; A plate 3 is provided with guide groove and is connected with fixed cover 24, and preceding die 16 is fixedly connected with A plate 3 through bolt, and the die orifice of preceding die 16 is inserted with the die orifice of back die 17 and worn.
Be provided with eight cover core-pulling devices in the described holddown groove, core-pulling device is connected with holddown groove through eight pairs of rolling bearings respectively, and power gear is connected with the travelling gear of eight cover core-pulling devices simultaneously, and power gear is overall gear rod or the synchronous gear stick that is interrupted.
The same end of front mould fixed head 1, stripper plate 2 and A plate 3 is connected through guide pillar 14, and front mould fixed head 1 is fixedly connected with guide pillar 14 with stripper plate 2, and A plate 3 is connected with guide pillar 14 slide-and-guides through guide pin bushing 13; The front mould part is come slide-and-guide through guide pillar 14;
The other end of front mould fixed head 1, stripper plate 2 and A plate 3 is through 21 spacing connections of caging bolt; Front mould fixed head 1 and stripper plate 2 and caging bolt 21 spacing being slidingly connected; A plate 3 is fixedly connected with caging bolt 21; Be provided with spring 12 between stripper plate 2 and the A plate 3, spring 12 is enclosed within on the caging bolt 21, and A plate 3 is provided with spring base;
The below of A plate 3 is connected with Angle Pin 10, and Angle Pin 10 is packed into, and the cushion blocks through Angle Pin 10 upper ends are fixedly connected in the A plate 3, and Angle Pin 10 is slidingly connected with the take-up housing 15 of back mould part.
Back mould partly comprises thimble panel 7, Ejector Retainer Plate 8, anti-module 11, take-up housing 15, slide block mold insert 18, push pedal guide pillar 19, ejector guide pillar 20; Take-up housing 15 is slidingly connected with B plate 4; Take-up housing 15 is provided with anti-module 11, and take-up housing 15 is connected with slide block mold insert 18, and slide block mold insert 18 is slidingly connected with back die 17.
With reference to accompanying drawing: mould is fixed on the injection machine, and injection machine is divided into standing part and movable part, and mould front mould when the matched moulds state is fixed on the injection machine standing part; The movable part injection molding process that back mould is fixed on injection machine is: stripper plate 2 is opened earlier with A plate 3, opens distance and is 30mm, and then motor begins the rotation driven gear rotation; Power gear drives turning cylinder 22 through travelling gear, and drives core 26 rotations, product debentition through core return bar 23; Force core 26 to withdraw from, thereby produce thrust backward, core return bar 23 upwards slides; Thereby force core 26 to rotate simultaneously displacement backward and deviate from product, the primary process of die sinking that Here it is; Because bolt draw bar makes mould die sinking for the first time that certain distance arranged; Next in the process that the injection machine movable part is constantly opened; A plate 3 is opened with B plate 4, deviates from the product back-off thereby force take-up housing 15 to slide outward under the effect of Angle Pin 10 again, and the push rod of injection machine promotes end needle plate 8 through the hole on the base plate 9 and upwards also follows mobile with other ejecting mechanism; Ejecting mechanism can eject product; Injection machine is the thrust by screw rod, and injection moulding is the process of a circulation, and each cycle mainly comprises: quantifying feed-fusion plastification-exert pressure is injected-is filled mould and cools off-open the mould pickup.Take out behind the plastic again mold closing again, carry out next one and circulate.
Claims (4)
1. the precision die of a cosmetics inner threaded member; It comprises front mould and back mould two large divisions; The front mould part comprises front mould fixed head (1), stripper plate (2), A plate (3), preceding die (16) from top to bottom successively, and back mould part comprises back die (17), B plate (4), mould pin (5), back mould fixed head (6) from top to bottom successively; It is characterized in that: the groove that front mould fixed head (1) and stripper plate (2) adjacent surface are provided with is formed row's holddown groove, and core-pulling device comprises rolling bearing, power gear; Travelling gear; Turning cylinder (22), core return bar (23), fixed cover (24); Fixing pin (25), and core (26); Core-pulling device is connected with holddown groove through rolling bearing; Power gear is located in the holddown groove, and the external motor of power gear is connected with the travelling gear of each core-pulling device in the power gear; Travelling gear is fixedly connected with turning cylinder (22); Turning cylinder (22) is derived downwards, and turning cylinder (22) is connected the exit with stripper plate (2) and is provided with fixed block, on the turning cylinder below the fixed block (22) axle body, is provided with core return bar (23); Axial and spacing being slidingly connected of turning cylinder (22) of core return bar (23); Radially be fixedly connected with turning cylinder (22), core return bar (23) lower end is connected with core (26) through fixing pin (25), and core return bar (23) is slidingly connected with fixed cover (24); A plate (3) is provided with guide groove and is connected with fixed cover (24), and preceding die (16) is fixedly connected with A plate (3) through bolt, and the die orifice of preceding die (16) is inserted with the die orifice of back die (17) and worn.
2. the precision die of a kind of cosmetics inner threaded member according to claim 1; It is characterized in that: be provided with eight cover core-pulling devices in the described holddown groove; Core-pulling device is connected with holddown groove through eight pairs of rolling bearings respectively; Power gear is connected with the travelling gear of eight cover core-pulling devices simultaneously, and power gear is overall gear rod or the synchronous gear stick that is interrupted.
3. the precision die of a kind of cosmetics inner threaded member according to claim 1 and 2; It is characterized in that: the same end of front mould fixed head (1), stripper plate (2) and A plate (3) is connected through guide pillar (14); Front mould fixed head (1) is fixedly connected with guide pillar (14) with stripper plate (2), and A plate (3) is connected with guide pillar (14) slide-and-guide through guide pin bushing (13);
The other end of front mould fixed head (1), stripper plate (2) and A plate (3) is through spacing connection of caging bolt (21); Front mould fixed head (1) and stripper plate (2) and spacing being slidingly connected of caging bolt (21); A plate (3) is fixedly connected with caging bolt (21); Be provided with spring (12) between stripper plate (2) and the A plate (3), spring (12) is enclosed within on the caging bolt (21), and A plate (3) is provided with spring base;
The below of A plate (3) is connected with Angle Pin (10), and Angle Pin (10) is packed into, and the cushion block through Angle Pin (10) upper end is fixedly connected in the A plate (3), and Angle Pin (10) is slidingly connected with the take-up housing (15) of back mould part.
4. the precision die of a kind of cosmetics inner threaded member according to claim 1 and 2 is characterized in that: the back mould partly comprises thimble panel (7), Ejector Retainer Plate (8); Anti-module (11), take-up housing (15), slide block mold insert (18); Push pedal guide pillar (19), ejector guide pillar (20); Take-up housing (15) is slidingly connected with B plate (4); Take-up housing (15) is provided with anti-module (11), and take-up housing (15) is connected with slide block mold insert (18), and slide block mold insert (18) is slidingly connected with back die (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102299917A CN102357951B (en) | 2011-08-11 | 2011-08-11 | Precision mold for cosmetic internal screw thread member |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102299917A CN102357951B (en) | 2011-08-11 | 2011-08-11 | Precision mold for cosmetic internal screw thread member |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102357951A true CN102357951A (en) | 2012-02-22 |
| CN102357951B CN102357951B (en) | 2012-06-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102299917A Active CN102357951B (en) | 2011-08-11 | 2011-08-11 | Precision mold for cosmetic internal screw thread member |
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| Country | Link |
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| CN (1) | CN102357951B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580819A (en) * | 2012-02-27 | 2012-07-18 | 南京凯盛国际工程有限公司 | Novel vertical milling limiting device |
| CN103568159A (en) * | 2013-10-09 | 2014-02-12 | 昆山腾宇鑫金属制品有限公司 | Ignition switch base mould with fixed inclined guide posts |
| CN103753767A (en) * | 2014-01-24 | 2014-04-30 | 上海工程技术大学 | Mould stripping and closing structure for core-pulling injection mould inside deep cavity of small-size plastic part |
| CN104416696A (en) * | 2013-09-02 | 2015-03-18 | 苏州星诺奇传动科技有限公司 | Molded insert positioning mechanism and mould with same |
| CN110587926A (en) * | 2019-10-11 | 2019-12-20 | 南通宏致汽车电子科技有限公司 | Mold for preparing sealing part of sealing plug |
| CN110712329A (en) * | 2019-09-25 | 2020-01-21 | 厦门华盛弘精密模具有限公司 | Mold device and mold opening method thereof |
| CN111204014A (en) * | 2019-12-30 | 2020-05-29 | 马斯特科技(武汉)有限公司 | Injection molding part mold with internal threads and demolding method thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201410715Y (en) * | 2009-06-18 | 2010-02-24 | 厦门新鸿洲精密科技有限公司 | De-threading mechanism of precise plastic inner-threaded products |
-
2011
- 2011-08-11 CN CN2011102299917A patent/CN102357951B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201410715Y (en) * | 2009-06-18 | 2010-02-24 | 厦门新鸿洲精密科技有限公司 | De-threading mechanism of precise plastic inner-threaded products |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102580819A (en) * | 2012-02-27 | 2012-07-18 | 南京凯盛国际工程有限公司 | Novel vertical milling limiting device |
| CN102580819B (en) * | 2012-02-27 | 2015-01-07 | 南京凯盛国际工程有限公司 | Novel vertical milling limiting device |
| CN104416696A (en) * | 2013-09-02 | 2015-03-18 | 苏州星诺奇传动科技有限公司 | Molded insert positioning mechanism and mould with same |
| CN104416696B (en) * | 2013-09-02 | 2017-02-08 | 苏州星诺奇科技股份有限公司 | Molded insert positioning mechanism and mould with same |
| CN103568159A (en) * | 2013-10-09 | 2014-02-12 | 昆山腾宇鑫金属制品有限公司 | Ignition switch base mould with fixed inclined guide posts |
| CN103753767A (en) * | 2014-01-24 | 2014-04-30 | 上海工程技术大学 | Mould stripping and closing structure for core-pulling injection mould inside deep cavity of small-size plastic part |
| CN103753767B (en) * | 2014-01-24 | 2016-10-05 | 上海工程技术大学 | A kind of demoulding mould-matching structure of small plastic parts deep chamber internal loose core injection mold |
| CN110712329A (en) * | 2019-09-25 | 2020-01-21 | 厦门华盛弘精密模具有限公司 | Mold device and mold opening method thereof |
| CN110712329B (en) * | 2019-09-25 | 2024-02-27 | 厦门华盛弘精密模具有限公司 | Mold device and mold opening method thereof |
| CN110587926A (en) * | 2019-10-11 | 2019-12-20 | 南通宏致汽车电子科技有限公司 | Mold for preparing sealing part of sealing plug |
| CN111204014A (en) * | 2019-12-30 | 2020-05-29 | 马斯特科技(武汉)有限公司 | Injection molding part mold with internal threads and demolding method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102357951B (en) | 2012-06-13 |
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Address after: 214028 No.3, Xinrong Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: SIPO Precision Technology Co., Ltd Address before: B national high tech Development Zone Wuxi city Jiangsu province 214028 No. B4-C (New Road) Patentee before: SZEPAK PRECISION (WUXI) Co.,Ltd. |