CN107538695A - Plastic beveled wheel mould demolding structure and its method of work - Google Patents
Plastic beveled wheel mould demolding structure and its method of work Download PDFInfo
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- CN107538695A CN107538695A CN201710954858.5A CN201710954858A CN107538695A CN 107538695 A CN107538695 A CN 107538695A CN 201710954858 A CN201710954858 A CN 201710954858A CN 107538695 A CN107538695 A CN 107538695A
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- dynamic model
- fixed
- beveled wheel
- top cover
- core
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Abstract
The present invention relates to a kind of plastic beveled wheel mould demolding structure and its method of work, including the fixation core positioned at center, the outer top cover for being cased with rotating cooperation on fixed core, it is outer in top cover to be cased with sliding the dynamic model overcoat of rotatable engagement with it, the pattern front edge of board is fixed in the cover half fixed plate, guide shaft is equipped with master plate, guide shaft upper end is connected in the top cover after passing through the dynamic model overcoat；The guide groove for being provided with and being engaged with guide shaft is put outside the dynamic model, the rail groove being engaged with guide shaft is offered on master plate so that top cover is relatively fixed core when dynamic model overcoat and fixed core are moved rearwards and dynamic model overcoat is rotated and slid axially to eject the plastic beveled wheel in die cavity.The plastic beveled wheel mould demolding structure is reasonable in design, simple in construction, easy to use, realizes the smooth demoulding of plastic beveled wheel, avoids being destroyed, suitable for the plastic beveled wheel with king bolt lift angle, effectively increases product quality and economic benefit.
Description
Technical field
The present invention relates to a kind of plastic beveled wheel mould demolding structure and its method of work.
Background technology
Plastic beveled wheel after injection, it is necessary to there is athleticism rotated against to be stripped with die cavity, otherwise tooth
Form of gear tooth will be supported on ball bearing by heavy damage although the plastic helical gear larger to lead angle can use
Push rod be stripped, but product when easily producing useless, while in ejection, if setting top cover structure, the upper surface of top cover
Shallow slot must be processed, so as to which rotary motion is passed to plastic from top cover.
The content of the invention
In view of this, it is an object of the invention to provide a kind of plastic beveled wheel mould simple in construction, easy to use
Demolding structure and its method of work, the smooth demoulding of plastic beveled wheel is realized, avoids being destroyed.
The present invention is realized using following scheme：A kind of plastic beveled wheel mould demolding structure, including positioned at center
Fixed core, fix outside on core and be cased with rotating the top cover of cooperation, it is outer in top cover to be cased with sliding the dynamic of rotatable engagement with it
Mould overcoat, fixed core front end are provided with cover half fixed plate, and dynamic model overcoat front end is provided with connection insert, connects insert and fixation
Formed between core and reached to the helical gear die cavity of injection-moulded plastic, the top cover front end through dynamic model overcoat front end at die cavity；
Master plate is provided with the downside of dynamic model overcoat, the pattern front edge of board is fixed in the cover half fixed plate, is equipped with master plate
Guide shaft, guide shaft upper end are connected in the top cover after passing through the dynamic model overcoat；Put and be provided with and guide shaft phase outside the dynamic model
The guide groove of cooperation, when the rail groove being engaged with guide shaft is offered on master plate so that dynamic model overcoat and fixed core are moved rearwards
Top cover is relatively fixed core and dynamic model overcoat is rotated and slid axially to eject the plastic beveled wheel in die cavity.
Further, the fixed core is fixed on the moving platen at its rear, and the dynamic model overcoat also is secured to described
On moving platen, dynamic model overcoat front end is provided with the gland that connection insert is fixed on outside dynamic model and put, and gland is fixed by screw
Put in outside dynamic model；The needle bearing coordinated with rail groove is arranged with the guide shaft.
Further, sub-marine gate is left between the fixed core and cover half fixed plate, is opened up in cover half fixed plate
There is the charging aperture communicated with sub-marine gate；The fixed core center is equipped with push rod, and push rod rear end passes moving platen and covered
Provided with back-moving spring.
A kind of method of work of plastic beveled wheel mould demolding structure, it is molded using plastic beveled wheel as described above
Mold releasability structure, during die sinking, when connection mold insert separates with cover half fixed plate together with dynamic model overcoat and fixation core, in pattern
Under the guide groove collective effect put outside rail groove and dynamic model on plate, top cover produces rotation relative to fixed core and dynamic model overcoat
With slide axially, to eject the plastic beveled wheel in die cavity.
Compared with prior art, the invention has the advantages that：Plastic beveled wheel mould demoulding knot of the present invention
Structure is reasonable in design, simple in construction, reliable and stable, easy to use, realizes the smooth demoulding of plastic beveled wheel, avoids by broken
It is bad, suitable for the plastic beveled wheel with king bolt lift angle, effectively increase product quality and economic benefit.
For the objects, technical solutions and advantages of the present invention are more clearly understood, specific embodiment and phase will be passed through below
Accompanying drawing is closed, the present invention is described in further detail.
Brief description of the drawings
Fig. 1 is structural section of the embodiment of the present invention；
Fig. 2 is A-A profiles in Fig. 1；
Fig. 3 is master plate expanded view in the embodiment of the present invention；
Fig. 4 is dynamic model overcoat expanded view in the embodiment of the present invention；
Label declaration in figure：1- fix core, 2- top covers, 3- dynamic models overcoat, 4- cover half fixed plate, 5- connections insert, 6- die cavities,
7- master plates, 8- guide shafts, 9- guide grooves, 10- rail grooves, 11- moving platens, 12- glands, 13- needle bearings, 14- push rods, 15- are multiple
Position spring.
Embodiment
As shown in Fig. 1 ~ 4, a kind of plastic beveled wheel mould demolding structure, including the fixation core 1 positioned at center, Gu
It is cased with rotating the top cover 2 of cooperation on sizing core 1 outside, is cased with sliding the dynamic model overcoat 3 of rotatable engagement with it outside in top cover 2,
The fixed front end of core 1 is provided with cover half fixed plate 4, and the front end of dynamic model overcoat 3 is provided with connection insert 5, connects insert 5 and fixed
Formed between core 1 and reach die cavity through the front end of dynamic model overcoat 3 to the helical gear die cavity 6 of injection-moulded plastic, the front end of top cover 2
Place；The downside of dynamic model overcoat 3 is provided with master plate 7, and the front end of master plate 7 is fixed in the cover half fixed plate 4, master plate 7
On be equipped with guide shaft 8, the upper end of guide shaft 8 is connected in the top cover 2 after passing through the dynamic model overcoat 3；Set on the dynamic model overcoat 3
The guide groove 9 being engaged with guide shaft 8 is equipped with, the rail groove 10 being engaged with guide shaft 8 is offered on master plate 7 so that dynamic model overcoat 3
Top cover 2 is relatively fixed core 1 when being moved rearwards with fixed core 1 and dynamic model overcoat 3 is rotated and slid axially to eject in die cavity 6
Plastic beveled wheel, under the guide groove collective effect outside the rail groove and dynamic model on master plate on set, in die sinking, top cover is not
Have and be moved rearwards with fixed core and dynamic model overcoat, and be to maintain its axial location, produced relative to fixed core and dynamic model overcoat
Life is rotationally and axially slided, to eject the plastic beveled wheel in die cavity；Pass through the angle design of guide groove and rail groove so that top cover
Rotated by the lead angle of plastic beveled wheel, top cover communicates rotational motion to plastic beveled wheel and helical gear is ejected into die cavity；
During mold closing, its direction of motion is in contrast.
In the present embodiment, the fixed core 1 is fixed on the moving platen 11 at its rear, and the dynamic model overcoat 3 is also solid
Due on the moving platen 11, the front end of dynamic model overcoat 3 is provided with the gland 12 that connection insert 5 is fixed on outside dynamic model and put, pressure
Lid 12 is fixed on outside dynamic model by screw to be put；The needle bearing 13 coordinated with rail groove is arranged with the guide shaft.
In the present embodiment, sub-marine gate, cover half fixed plate are left between the fixed core 1 and cover half fixed plate 4
On offer the charging aperture communicated with sub-marine gate；The fixed core center is equipped with push rod 14, and push rod rear end passes dynamic
Template is simultaneously arranged with back-moving spring 15；Plastic beveled wheel is by sub-marine gate injection molding, and during die sinking, cast gate is automatically cut off,
Mold open will eject cast gate after being contacted to push rod 14 with fixed injector block；When mould closes, push rod 14 is by spring
Set back under 15 effects, carry out the work of next stroke.
A kind of method of work of plastic beveled wheel mould demolding structure, it is molded using plastic beveled wheel as described above
Mold releasability structure, during die sinking, when connection mold insert separates with cover half fixed plate together with dynamic model overcoat and fixation core, in pattern
Under the guide groove collective effect put outside rail groove and dynamic model on plate, top cover produces rotation relative to fixed core and dynamic model overcoat
With slide axially, to eject the plastic beveled wheel in die cavity.
The object, technical solutions and advantages of the present invention are further described by above-listed preferred embodiment, are answered
Understand, the foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (4)
- A kind of 1. plastic beveled wheel mould demolding structure, it is characterised in that：Including the fixation core positioned at center, fixed It is cased with rotating the top cover of cooperation on core outside, is cased with sliding the dynamic model overcoat of rotatable engagement, fixed core with it outside in top cover Front end is provided with cover half fixed plate, and dynamic model overcoat front end is provided with connection insert, connects to be formed between insert and fixed core and uses With the helical gear die cavity of injection-moulded plastic, the top cover front end reaches at die cavity through dynamic model overcoat front end；Set on the downside of dynamic model overcoat Master plate is equipped with, the pattern front edge of board is fixed in the cover half fixed plate, and guide shaft is equipped with master plate, and guide shaft upper end is worn It is connected to after crossing the dynamic model overcoat in the top cover；The guide groove for being provided with and being engaged with guide shaft, pattern are put outside the dynamic model The rail groove being engaged with guide shaft is offered on plate so that top cover is relatively fixed type when dynamic model overcoat and fixed core are moved rearwards Core and dynamic model overcoat are rotated and slid axially to eject the plastic beveled wheel in die cavity.
- 2. plastic beveled wheel mould demolding structure according to claim 1, it is characterised in that：The fixed core is consolidated Due on the moving platen at its rear, the dynamic model overcoat also is secured on the moving platen, and dynamic model overcoat front end is provided with even Connect insert and be fixed on outside dynamic model the gland put, gland is fixed on outside dynamic model by screw to be put；Be arranged with the guide shaft with The needle bearing that rail groove coordinates.
- 3. plastic beveled wheel mould demolding structure according to claim 2, it is characterised in that：The fixed core with Sub-marine gate is left between cover half fixed plate, the charging aperture communicated with sub-marine gate is offered in cover half fixed plate；It is described Fixed core center is equipped with push rod, and push rod rear end passes moving platen and is arranged with back-moving spring.
- 4. a kind of method of work of plastic beveled wheel mould demolding structure, oblique using the plastics as described in claim 1 ~ 3 Gear forming mold releasability structure, it is characterised in that：During die sinking, connection mold insert with dynamic model overcoat and fixation core together with cover half When fixed plate separates, under the guide groove collective effect outside the rail groove and dynamic model on master plate on set, top cover is relative to fixed Core and dynamic model overcoat, which produce, rotationally and axially to be slided, to eject the plastic beveled wheel in die cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954858.5A CN107538695A (en) | 2017-10-14 | 2017-10-14 | Plastic beveled wheel mould demolding structure and its method of work |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710954858.5A CN107538695A (en) | 2017-10-14 | 2017-10-14 | Plastic beveled wheel mould demolding structure and its method of work |
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| Publication Number | Publication Date |
|---|---|
| CN107538695A true CN107538695A (en) | 2018-01-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710954858.5A Pending CN107538695A (en) | 2017-10-14 | 2017-10-14 | Plastic beveled wheel mould demolding structure and its method of work |
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| CN (1) | CN107538695A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524596A (en) * | 2021-07-07 | 2021-10-22 | 宁波双林模具有限公司 | High-precision large-helix-angle planetary helical gear demolding structure |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203818464U (en) * | 2014-04-29 | 2014-09-10 | 群达模具(深圳)有限公司 | Injection mold |
| CN207310436U (en) * | 2017-10-14 | 2018-05-04 | 福州大学 | Plastic beveled wheel molding mold release structure |
-
2017
- 2017-10-14 CN CN201710954858.5A patent/CN107538695A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203818464U (en) * | 2014-04-29 | 2014-09-10 | 群达模具(深圳)有限公司 | Injection mold |
| CN207310436U (en) * | 2017-10-14 | 2018-05-04 | 福州大学 | Plastic beveled wheel molding mold release structure |
Non-Patent Citations (1)
| Title |
|---|
| K.斯托克海特，荣逎珊，徐正宝: "《注射成型模具102例》", 31 October 1991, 中国轻工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113524596A (en) * | 2021-07-07 | 2021-10-22 | 宁波双林模具有限公司 | High-precision large-helix-angle planetary helical gear demolding structure |
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Application publication date: 20180105 |