CN103991183A - 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
- CN103991183A CN103991183A CN201410188131.7A CN201410188131A CN103991183A CN 103991183 A CN103991183 A CN 103991183A CN 201410188131 A CN201410188131 A CN 201410188131A CN 103991183 A CN103991183 A CN 103991183A
- Authority
- CN
- China
- Prior art keywords
- workpiece
- ejector sleeve
- mold
- cavity
- mould
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000000463 material Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 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
- 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
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 mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding.
Background technology
injection mold is widely used in processing, the moulding of plasthetics, yet the workpiece in processing with oblique helicitic texture, as screw, nut, helical gear etc., because its tooth trace is helix, profile of tooth is with the helical angle of certain angle, after working of plastics injection moulding, conventional release mode cannot realize the working of plastics demoulding, when requiring ejecting mechanism to press stripping direction release, the direction that the die cavity of moulding profile of tooth or plastic beveled wheel itself tilts by profile of tooth is rotated, and can reach the object of the smooth demoulding.Especially to plastics duplex helical gear, during the demoulding, except solving the problem of the rotation of profile of tooth die cavity or the rotation of gear working of plastics, also need to solve the demoulding difficulty causing because two helical gear " pitch " is different.
The stripping means of existing such injection mold is mainly forced stripper mechanism, but the method is only applicable to, working of plastics raw material have better toughness, gear helical angle is little and the occasion of profile of tooth thinner thickness.Because required release power is larger, crooked for avoiding working of plastics distortion or releasing element, release the general mould of sectional area ratio larger of element (push rod or ejector sleeve).
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide a kind of mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding, can to oblique helicitic texture, carry out the demoulding efficiently.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding, it is characterized in that, comprise 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, described workpiece cavity middle part is provided with core, and described core is simultaneously through cavity block; 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 2 above 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 die cavity outer surface, and the screw thread of spiral ejector sleeve and die cavity screw thread coincide, for driving die cavity rotation.
A mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding, is characterized in that, the spiral ejector sleeve of a described side is positioned at one side of workpiece cavity outer surface, and the spiral ejector sleeve of opposite side is positioned at the another side of workpiece cavity outer surface.
A mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding, is characterized in that, the quantity of described spiral ejector sleeve is 4.
A mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding, is characterized in that, the helical tooth thickness on described spiral ejector sleeve is 0.5-1.5mm.
A mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding, is characterized in that, the material of described spiral ejector sleeve is 304 stainless steels.
A mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding, is characterized in that, described core is provided with guide finger, for assisting workpiece rotating stripping demoulding.
Usefulness of the present invention is: 1. for the feature of oblique helicitic texture, thereby utilize the mutual driven rotary of thread to make the smooth demoulding of workpiece, release laborsavingly, frictional force reduces, defective work piece not, and demoulding efficiency is high; 2. simplicity of design, conservation, easy to use, improved service efficiency and service life.
Accompanying drawing explanation
Fig. 1 is the mould schematic diagram that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding of the present invention.
The implication of Reference numeral in figure:
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.
The specific embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to concrete introduction.
In conjunction with Fig. 1, the mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding of the present invention, comprise moving platen 1 and base 11, described moving platen 1 is provided with cavity block 5 away from the middle part of base 11 ends, described cavity block 5 is connected with workpiece cavity 3, for the injection mo(u)lding of workpiece 4, described workpiece cavity 3 middle parts are provided with core 2, and described core 2 is simultaneously through 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 ends are connected with ejector sleeve seat 9, described ejector sleeve seat 9 is provided with 4 spiral ejector sleeves 6, on described spiral ejector sleeve 6, offer helicla flute, spiral ejector sleeve 6 is uniformly distributed in core 2 both sides, the spiral ejector sleeve 6 of a described side is positioned at one side of workpiece cavity 3 outer surfaces, the spiral ejector sleeve 6 of opposite side is positioned at the another side of workpiece cavity 3 outer surfaces, described spiral ejector sleeve 6 free ends are located at workpiece cavity 3 outer surfaces, and the screw thread of spiral ejector sleeve 6 and workpiece cavity 3 screw threads coincide, for driving the rotation of workpiece cavity 3, during use, push rod makes spiral ejector sleeve 6 outwards move when workpiece is ejected, thereby drive the rotation of die cavity, and then workpiece is taken out of outside die cavity, the demoulding smoothly, helical tooth thickness on described spiral ejector sleeve 6 is 1mm, on the one hand can be better and on workpiece cavity 3 screw thread fit, reduce on the other hand the change of workpiece 4 shapes, size, the material of described spiral ejector sleeve 6 is 304 stainless steels, described core 2 is provided with guide finger 7, for assisting workpiece rotating stripping demoulding.
The mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding of the present invention, except 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 be better and on workpiece cavity 3 screw thread fit, reduce on the other hand the change of workpiece 4 shapes, size.
The mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding of the present invention, except said structure, its difference is, helical tooth thickness on described spiral ejector sleeve 6 is 1.5mm, on the one hand can be better and on workpiece cavity 3 screw thread fit, reduce on the other hand the change of workpiece 4 shapes, size.
Of the present inventionly be applicable to have the mould of oblique helicitic texture workpiece rotating stripping demoulding for the design feature of the oblique screw thread of workpiece, thereby utilize the mutual driven rotary of thread to make the smooth demoulding of workpiece, while not only reducing the workpiece demoulding and the frictional force of mould, also convenient, fast, labour-saving ejects workpiece simultaneously, has greatly improved service efficiency and service life.The mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding of the present invention has put into production and has tried out, respond well, is applicable to using widely.
More than show and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (6)
1. a mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding, it is characterized in that, comprise 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, described workpiece cavity middle part is provided with core, and described core is simultaneously through cavity block; 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 2 above 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 die cavity outer surface, and the screw thread of spiral ejector sleeve and die cavity screw thread coincide, for driving die cavity rotation.
2. the mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding according to claim 1, is characterized in that, the spiral ejector sleeve of a described side is positioned at one side of workpiece cavity outer surface, and the spiral ejector sleeve of opposite side is positioned at the another side of workpiece cavity outer surface.
3. the mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding according to claim 1, is characterized in that, the quantity of described spiral ejector sleeve is 4.
4. the mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding according to claim 1, is characterized in that, the helical tooth thickness on described spiral ejector sleeve is 0.5-1.5mm.
5. the mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding according to claim 1, is characterized in that, the material of described spiral ejector sleeve is 304 stainless steels.
6. the mould that is applicable to have oblique helicitic texture workpiece rotating stripping demoulding according to claim 1, is characterized 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 true CN103991183A (en) | 2014-08-20 |
| CN103991183B CN103991183B (en) | 2017-02-08 |
Family
ID=51305641
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 (6)
| 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 |
| 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 |
| CN102101350A (en) * | 2010-12-24 | 2011-06-22 | 宁波双林模具有限公司 | Precision mold for small-spiral-angle duplex gear |
| 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 |
-
2014
- 2014-05-06 CN CN201410188131.7A patent/CN103991183B/en active Active
Patent Citations (6)
| 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 |
| 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 |
| CN102101350A (en) * | 2010-12-24 | 2011-06-22 | 宁波双林模具有限公司 | Precision mold for small-spiral-angle duplex gear |
| 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 |
|---|---|
| CN103991183B (en) | 2017-02-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022021600A1 (en) | Fully automatic die opening and closing device | |
| CN103692628B (en) | A kind of Clamping Device of Injection Moulding Machine of link in rhomb form two-wire lead screw transmission | |
| CN203697401U (en) | Precision mold for internal thread component in gear-driven core-pulling form | |
| CN203844156U (en) | Mould suitable for rotating demoulding for workpiece with taper thread structure | |
| CN208148388U (en) | A kind of internal screw thread rotation depanning mold | |
| CN104149292A (en) | Injection mold for rapidly demolding thread product | |
| CN207310422U (en) | Produce the side core-pulling mould structure with Plastic Parts with Inner Thread | |
| CN204322245U (en) | Annular insulating brick processing mold device | |
| CN203994557U (en) | There is the injection mold of oblique whorl work piece high-efficiency rotating ejection device | |
| CN103991183B (en) | Mold suitable for rotary demolding of workpiece having inclined thread structure | |
| CN204019914U (en) | The injection mold of screw product fast demoulding | |
| CN203844157U (en) | Die suitable for demolding workpiece with inclined thread structure | |
| CN203994556U (en) | A kind of injection mold with oblique whorl work piece rotation ejection device | |
| CN203844158U (en) | Injection mold capable of enabling tooth profile cavity to rotate and demold | |
| CN104015316A (en) | Plastic injection mold with rotating ejection demolding function for oblique thread workpieces | |
| CN104002440A (en) | Tooth-shaped cavity rotation demolding injection mold | |
| CN103991184B (en) | A kind of mould being applicable to there is the oblique helicitic texture workpiece demoulding | |
| CN210705872U (en) | Injection mold for internal thread part | |
| CN204914455U (en) | Gear pair driven plastic mold demoulding mechanism | |
| CN203887104U (en) | Gear demolding mechanism | |
| CN103737866A (en) | Threaded demolding mechanism of injection molding mold | |
| CN206085519U (en) | Screw thread is automatic take off put prevent drawing mechanism | |
| CN108177311B (en) | Injection molding device for injection molding piece without rotation stopping structure and with different screw pitches and double internal threads | |
| CN204673994U (en) | A kind of extruder with disc type combined threaded rod device | |
| CN110948876A (en) | Quick-change type injection mold fixing assembly for 3D printing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| 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 |
|
| 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. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wang Feng Inventor before: Zheng Jianxiong |
|
| CB03 | Change of inventor or designer information | ||
| TR01 | Transfer of patent right |
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. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
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. |
|
| TR01 | Transfer of patent right |