CN103991183B - Mold suitable for rotary demolding of workpiece having inclined thread structure - Google Patents
Mold suitable for rotary demolding of workpiece having inclined thread structure Download PDFInfo
- Publication number
- CN103991183B CN103991183B CN201410188131.7A CN201410188131A CN103991183B CN 103991183 B CN103991183 B CN 103991183B CN 201410188131 A CN201410188131 A CN 201410188131A CN 103991183 B CN103991183 B CN 103991183B
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- China
- Prior art keywords
- workpiece
- ejector sleeve
- mold
- cavity
- mould
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- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 229920003023 plastic Polymers 0.000 description 7
- 239000004033 plastic Substances 0.000 description 7
- 238000002347 injection Methods 0.000 description 4
- 239000007924 injection Substances 0.000 description 4
- 238000000465 moulding Methods 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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
- B29C45/40—Removing or ejecting moulded articles
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a mold for rotary demolding of a workpiece having an inclined thread structure. The mold includes a movable mold plate and a base; the middle, away from the base end, of the movable mold plate is provided with a mold cavity insert block, the mold cavity insert block is connected with a workpiece mold cavity, the middle part of the workpiece mold cavity is provided with a mold core, and the mold core simultaneously passes through the mold core insert block; the base end of the movable mold plate is provided with a push rod seat, the push rod seat is provided with two push rods, the two push rods are respectively distributed at two sides of the mold core, and the free ends of the push rods are connected with a push tube seat; the push tube seat is provided with more than two spiral push tubes, the spiral push tubes are evenly distributed at two sides of the mold core, and the free ends of the spiral push tubes are arranged on the outer surface of the mold cavity and are used for driving the mold cavity to rotate. The mold has the advantages that: aiming at the characteristics of the inclined thread structure, thread teeth are mutually driven to rotate so as to make the workpiece smoothly demolded, labor for pushing-out is economized, friction force is reduced, the workpiece is not damaged, and the demolding efficiency is high; and the design is simple, raw materials are saved, use is convenient, and the service efficiency and the service life are improved.
Description
Technical field
The present invention relates to injection mold field, particularly a kind of it is applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding.
Background technology
Injection mold is widely used in the processing of plasthetics, molding, but there is the workpiece of oblique helicitic texture in processing, as screw, nut, helical gear etc., because its tooth trace is helix, profile of tooth carries the helical angle of certain angle, after working of plastics injection moulding, conventional release mode cannot realize the working of plastics demoulding, while requiring ejecting mechanism to press stripping direction release, the die cavity of molding profile of tooth or plastic beveled wheel itself are rotated by the direction that profile of tooth tilts, and can reach the purpose of the smooth demoulding.Especially to plastics duplex helical gear, except needing to solve the problems, such as the rotation of profile of tooth die cavity or the rotation of gear working of plastics in addition it is also necessary to the demoulding solving to cause because two helical gear " pitch " is different is difficult during the demoulding.
The stripping means of such injection mold existing are mainly forced stripper mechanism, but the method is only applicable to working of plastics raw material and has that preferable toughness, gear helical angle be little and the occasion of profile of tooth thinner thickness.Because required release power is larger, for avoiding working of plastics deformation or releasing element bending, the sectional area releasing element (push rod or ejector sleeve) is larger than general mould.
Content of the invention
For solving the deficiencies in the prior art, it is an object of the invention to provide a kind of be applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding, efficiently the demoulding can be carried out to oblique helicitic texture.
In order to realize above-mentioned target, the present invention adopts the following technical scheme that：
A kind of it is applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding, it is characterized in that, including moving platen and base, described moving platen is provided with cavity block away from the middle part of base end, described cavity block is connected with workpiece cavity, it is provided with core, described core is also cross cavity block in the middle part of described workpiece cavity；Described moving platen base end is provided with ram seat, described ram seat is provided with 2 push rods, and 2 push rods are distributed in core both sides, described push rod free end is connected with ejector sleeve seat, described ejector sleeve seat is provided with more than 2 spiral ejector sleeves, and described spiral ejector sleeve is uniformly distributed in core both sides, and described spiral ejector sleeve free end is located at workpiece cavity outer surface, and the screw thread of spiral ejector sleeve is coincide with workpiece cavity screw thread, for driving workpiece cavity to rotate.
A kind of be applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding it is characterised in that the spiral ejector sleeve of described side is located at one side of workpiece cavity outer surface, the spiral ejector sleeve of opposite side is located at the another side of workpiece cavity outer surface.
A kind of be applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding it is characterised in that described spiral ejector sleeve quantity be 4.
A kind of it is applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding it is characterised in that helical tooth thickness on described spiral ejector sleeve is 0.5-1.5mm.
A kind of be applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding it is characterised in that described spiral ejector sleeve material be 304 rustless steels.
A kind of mould with oblique helicitic texture workpiece rotating stripping demoulding that is applied to it is characterised in that described core is provided with guide finger, for assisting workpiece rotating stripping demoulding.
The invention has benefit that：1. it is directed to the feature of oblique helicitic texture, be mutually rotated using thread so that the smooth demoulding of workpiece, release laborsaving, frictional force reduces, not defective work piece, demoulding efficiency is high；2. design simple, save raw material, easy to use, improve service efficiency and service life.
Brief description
Fig. 1 be the present invention be applied to the mould schematic diagram with oblique helicitic texture workpiece rotating stripping demoulding.
The implication of in figure reference：
1. moving platen, 2. core, 3. workpiece cavity, 4. workpiece, 5. cavity block, 6. spiral ejector sleeve, 7. guide finger, 8. push rod, 9. ejector sleeve seat, 10. ram seat, 11. bases.
Specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is made with specific introduction.
In conjunction with Fig. 1, the present invention is applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding, including moving platen 1 and base 11, described moving platen 1 is provided with cavity block 5 away from the middle part at base 11 end, described cavity block 5 is connected with workpiece cavity 3, for the injection mo(u)lding of workpiece 4, it is provided with core 2 in the middle part of described workpiece cavity 3, described core 2 is also cross cavity block 5；Described moving platen 1 base end is provided with ram seat 10，Described ram seat 10 is provided with 2 push rods 8，And 2 push rods 8 are distributed in the both sides of core 2，Described push rod 8 free end is connected with ejector sleeve seat 9，Described ejector sleeve seat 9 is provided with 4 spiral ejector sleeves 6，Helicla flute is opened up on described spiral ejector sleeve 6，Spiral ejector sleeve 6 is uniformly distributed in core 2 both sides，The spiral ejector sleeve 6 of described side is located at one side of workpiece cavity 3 outer surface，The spiral ejector sleeve 6 of opposite side is located at the another side of workpiece cavity 3 outer surface，Described spiral ejector sleeve 6 free end is located at workpiece cavity 3 outer surface，And the screw thread of spiral ejector sleeve 6 is coincide with workpiece cavity 3 screw thread，For driving the rotation of workpiece cavity 3，During use，Push rod makes spiral ejector sleeve 6 move out，Thus driving the rotation of workpiece cavity 3，And then take workpiece outside workpiece cavity 3 out of，The smoothly demoulding；Helical tooth thickness on described spiral ejector sleeve 6 is 1mm, on the one hand can preferably fit with screw thread on workpiece cavity 3, on the other hand reduces workpiece 4 shape, the change of size, the material of described spiral ejector sleeve 6 is 304 rustless steels；Described core 2 is provided with guide finger 7, for assisting workpiece rotating stripping demoulding.
The present invention is applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding, and in addition to said structure, its difference is, the quantity of described spiral ejector sleeve 6 is 2；Helical tooth thickness on described spiral ejector sleeve 6 is 0.5mm, on the one hand can preferably fit with screw thread on workpiece cavity 3, on the other hand reduces workpiece 4 shape, the change of size.
The present invention is applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding, in addition to said structure, its difference is, helical tooth thickness on described spiral ejector sleeve 6 is 1.5mm, on the one hand preferably can fit with screw thread on workpiece cavity 3, on the other hand reduce workpiece 4 shape, the change of size.
The present invention is applied to the construction featuress having the mould of oblique helicitic texture workpiece rotating stripping demoulding for the oblique screw thread of workpiece, mutually it is rotated so that the smooth demoulding of workpiece using thread, not only reduce the frictional force with mould during the workpiece demoulding, it is also convenient for simultaneously, fast, effortlessly workpiece ejected, substantially increase service efficiency and service life.The mould that being applied to of the present invention has oblique helicitic texture workpiece rotating stripping demoulding has put into production and has been tried out, respond well, is suitable for widely using.
The basic principles, principal features and advantages of the present invention have been shown and described above.It should be understood by those skilled in the art that, the invention is not limited in any way for above-described embodiment, all technical schemes being obtained by the way of equivalent or equivalent transformation, all falls within protection scope of the present invention.
Claims (6)
1. a kind of it is applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding, it is characterized in that, including moving platen and base, described moving platen is provided with cavity block away from the middle part of base end, described cavity block is connected with workpiece cavity, it is provided with core, described core is also cross cavity block in the middle part of described workpiece cavity；Described moving platen base end is provided with ram seat, described ram seat is provided with 2 push rods, and 2 push rods are distributed in core both sides, described push rod free end is connected with ejector sleeve seat, described ejector sleeve seat is provided with more than 2 spiral ejector sleeves, and described spiral ejector sleeve is uniformly distributed in core both sides, and described spiral ejector sleeve free end is located at workpiece cavity outer surface, and the screw thread of spiral ejector sleeve is coincide with workpiece cavity screw thread, for driving workpiece cavity to rotate.
2. according to claim 1 be applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding it is characterised in that the spiral ejector sleeve of described side is located at one side of workpiece cavity outer surface, the spiral ejector sleeve of opposite side is located at the another side of workpiece cavity outer surface.
3. according to claim 1 be applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding it is characterised in that described spiral ejector sleeve quantity be 4.
4. according to claim 1 it is applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding it is characterised in that helical tooth thickness on described spiral ejector sleeve is 0.5-1.5mm.
5. according to claim 1 be applied to the mould with oblique helicitic texture workpiece rotating stripping demoulding it is characterised in that described spiral ejector sleeve material be 304 rustless steels.
6. the mould with oblique helicitic texture workpiece rotating stripping demoulding that is applied to according to claim 1 is it is characterised in that described core is provided with guide finger, for assisting workpiece rotating stripping demoulding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410188131.7A CN103991183B (en) | 2014-05-06 | 2014-05-06 | Mold suitable for rotary demolding of workpiece having inclined thread structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410188131.7A CN103991183B (en) | 2014-05-06 | 2014-05-06 | Mold suitable for rotary demolding of workpiece having inclined thread structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103991183A CN103991183A (en) | 2014-08-20 |
| CN103991183B true CN103991183B (en) | 2017-02-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410188131.7A Active CN103991183B (en) | 2014-05-06 | 2014-05-06 | Mold suitable for rotary demolding of workpiece having inclined thread structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103991183B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000167887A (en) * | 1998-12-09 | 2000-06-20 | Shinsei:Kk | Molded product releasing mechanism for injection molding machine |
| CN103660189A (en) * | 2013-12-26 | 2014-03-26 | 深圳市海翔铭实业有限公司 | Demoulding structure for plastic helical gear injection molding |
| CN203844156U (en) * | 2014-05-06 | 2014-09-24 | 昆山市大久电子有限公司 | Mould suitable for rotating demoulding for workpiece with taper thread structure |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201405469Y (en) * | 2009-03-31 | 2010-02-17 | 汉达精密电子(昆山)有限公司 | Ejection mechanism for reverse hook |
| CN201863366U (en) * | 2010-11-12 | 2011-06-15 | 董林洁 | Plastic front-mold thread automatic demolding structure |
| CN102101350B (en) * | 2010-12-24 | 2013-06-26 | 宁波双林模具有限公司 | Precision mold for small-spiral-angle duplex gear |
-
2014
- 2014-05-06 CN CN201410188131.7A patent/CN103991183B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000167887A (en) * | 1998-12-09 | 2000-06-20 | Shinsei:Kk | Molded product releasing mechanism for injection molding machine |
| CN103660189A (en) * | 2013-12-26 | 2014-03-26 | 深圳市海翔铭实业有限公司 | Demoulding structure for plastic helical gear injection molding |
| CN203844156U (en) * | 2014-05-06 | 2014-09-24 | 昆山市大久电子有限公司 | Mould suitable for rotating demoulding for workpiece with taper thread structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103991183A (en) | 2014-08-20 |
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| Date | Code | Title | Description |
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| C06 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zheng Jianxiong Inventor before: Wang Feng |
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| COR | Change of bibliographic data | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20160831 Address after: Suzhou City, Jiangsu province 215316 high tech Zone in Kunshan City, North Okitomo Road No. 10 Applicant after: KUNSHAN YIBANGTAI AUTO PARTS MANUFACTURING CO., LTD. Address before: 215347 Kunshan, Jiangsu, new town, South Road, No. 525, No. Applicant before: City of Kunshan great Jiu Electronics Co., Ltd. |
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| C14 | Grant of patent or utility model | ||
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Inventor after: Wang Feng Inventor before: Zheng Jianxiong |
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Effective date of registration: 20171009 Address after: 215347 Kunshan, Jiangsu, new town, South Road, No. 525, No. Patentee after: City of Kunshan great Jiu Electronics Co., Ltd. Address before: Suzhou City, Jiangsu province 215316 high tech Zone in Kunshan City, North Okitomo Road No. 10 Patentee before: KUNSHAN YIBANGTAI AUTO PARTS MANUFACTURING CO., LTD. |
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Effective date of registration: 20180319 Address after: 518000 Guangdong Province, Shenzhen New District of Longhua City, Dalang street, Longsheng Gold Dragon Road community e-commerce incubator exhibition Tao Commercial Plaza E block 706 Patentee after: Shenzhen step Technology Transfer Center Co., Ltd. Address before: 215347 Kunshan, Jiangsu, new town, South Road, No. 525, No. Patentee before: City of Kunshan great Jiu Electronics Co., Ltd. |
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Effective date of registration: 20180615 Address after: 528300, No. 4, No. four road, Xinye Road, Beijiao Town, Shunde District, Foshan, Guangdong, China (201) Patentee after: Foshan Shunde Xinli Hang plastic products Co., Ltd. Address before: 518000 Guangdong Shenzhen Longhua New District big wave street Longsheng community Tenglong road gold rush e-commerce incubation base exhibition hall E commercial block 706 Patentee before: Shenzhen step Technology Transfer Center Co., Ltd. |
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