CN106003491A - Mold core for manufacturing bulge structures on inner wall of cylindrical cavity and implementation method thereof - Google Patents
Mold core for manufacturing bulge structures on inner wall of cylindrical cavity and implementation method thereof Download PDFInfo
- Publication number
- CN106003491A CN106003491A CN201610437335.9A CN201610437335A CN106003491A CN 106003491 A CN106003491 A CN 106003491A CN 201610437335 A CN201610437335 A CN 201610437335A CN 106003491 A CN106003491 A CN 106003491A
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- China
- Prior art keywords
- core
- bulge
- star
- cylindrical cavity
- chopped
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Classifications
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- 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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/76—Cores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Revetment (AREA)
Abstract
The invention discloses a mold core for manufacturing bulge structures on the inner wall of a cylindrical cavity. The mold core comprises a primary separation mold core and a secondary separation mold core, wherein the primary separation mold core is a hollow cylinder structure; concave structures which are distributed in a star shape are arranged at one end of the cylinder; an inner circular hole is formed in the center of the concave structures which are distributed in a star shape; the secondary separation mold core is a solid shaft structure; and the bulge structures which are distributed in a star shape are arranged at one end of the solid shaft. According to the mold core, the high-difficulty casting forming of the bulge structures on the inner wall of the cylindrical cavity is achieved through a simple structure, a lot of cost is reduced, the operation is convenient, lots of manpower and material resources are saved, the structure is stable, the implementation is reliable, the mold core can be produced and manufactured on a large scale, and the working efficiency is improved.
Description
Technical field
The present invention relates to injection mold field, be specifically related to a kind of cylindrical cavity inwall projection that manufactures and tie
The core of structure and its implementation.
Background technology
In terms of Injection Mold Design, when needs shaped cylinder cavity wall bulge-structure, at present
Widely used method has a following two: forced stripper mechanism or oblique top, although they can rise
To certain effect, but different shortcoming is individually present.Forced stripper mechanism needs have certain
Elastic material could be implemented, and precision is the highest；Oblique top to cavity body structure less time be difficult to fit
With.Therefore both approaches all can not direct forming cylindrical cavity inwall bulge-structure.
Summary of the invention
It is an object of the invention to the shortcoming overcoming prior art with not enough, it is provided that a kind of operation side
Just, simple in construction, enforcement manufacture the core of cylindrical cavity inwall bulge-structure reliably.
Another object of the present invention is to provide a kind of cylindrical cavity inwall bulge-structure core that manufactures
Implementation method.
The purpose of the present invention is achieved through the following technical solutions:
A kind of core manufacturing cylindrical cavity inwall bulge-structure, including chopped-off head separation core and secondary
Separating core, described chopped-off head separation core is hollow circular cylinder structure, and cylindrical member at one end is provided with star
Shape distributed depressions structure, described star distributed depressions structure centre is provided with interior circular hole；Described secondary
Separating core is entity axle construction, and described entity axle one end is provided with star distribution bulge-structure；
The described secondary entity axle separating core can be through the interior circular hole of described chopped-off head separation core
Entering in its hollow circular cylinder, the described secondary entity axle separating core can separate at described chopped-off head
The interior circular hole of core rotates freely；It is embedding that the described secondary star separating core is distributed bulge-structure
In the star distributed depressions structure of the chopped-off head separation core entering correspondence；Described secondary separate core and
Forming assembly after the combination of chopped-off head separation core, described assembly presents cylindrical structure, and institute
State star distribution bulge-structure and star distributed depressions structure match after on described assembly surface
Form groove.
Preferably, the star distributed depressions structure of described chopped-off head separation core is that cross star distribution is recessed
Fall into structure；The described secondary star distribution bulge-structure separating core is cross star distribution projection knot
Structure.
Preferably, the star distributed depressions structure of described chopped-off head separation core is that the distribution of rice word star is recessed
Fall into structure；The described secondary star distribution bulge-structure separating core is rice word star distribution projection knot
Structure.
Preferably, institute after described star distribution bulge-structure and star distributed depressions structure match
The groove wedge shaped body structure formed.
Preferably, institute after described star distribution bulge-structure and star distributed depressions structure match
The groove formed is square or rectangular structure.
Preferably, institute after described star distribution bulge-structure and star distributed depressions structure match
The groove formed is semi-circular structure.
Preferably, the diameter of the described secondary star distribution bulge-structure separating core less than or
Diameter equal to chopped-off head separation core cylindrical structure.
A kind of by the implementation method of above-mentioned manufacture cylindrical cavity inwall bulge-structure core, including following
Step:
(1) secondary separates the entity axle of core enter through the interior circular hole of described chopped-off head separation core
Entering in its hollow circular cylinder, the secondary star distribution bulge-structure separating core embeds corresponding head
In the star distributed depressions structure of level divergence type core, form assembly；
(2) by the cylindrical cavity casting containing described assembly；
(3) after the molding of cylindrical cavity inwall bulge-structure, first by chopped-off head separation core from cylinder
Cavity pulls out, then secondary is separated core and rotate to an angle, make secondary separation on core
Star distribution bulge-structure stagger with cylindrical cavity inwall bulge-structure, the secondary separation of then pull-out
Core, last cylindrical cavity inwall bulge-structure completion of processing, the core demoulding completes.
The operation principle of the present invention:
During work, secondary is separated the entity axle inner circle through described chopped-off head separation core of core
Hole enters in its hollow circular cylinder, and the secondary star distribution bulge-structure separating core embeds correspondence
Chopped-off head separation core star distributed depressions structure in, formed assembly；Will be containing assembly
Cylindrical cavity casting；After cylindrical cavity inwall bulge-structure molding, first chopped-off head is divided
Release core pulls out from cylindrical cavity, then secondary is separated core and rotates to an angle, and makes secondary
Star distribution bulge-structure on level divergence type core staggers, then with cylindrical cavity inwall bulge-structure
Pull-out secondary separates core, and last cylindrical cavity inwall bulge-structure completion of processing, the core demoulding is complete
Become.
The present invention compared with prior art has a following beneficial effect:
(1) present invention realizes the casting of highly difficult cylindrical cavity inwall bulge-structure with simple structure
Cause shape, save great amount of cost；
(2) present invention is easy to operate, saves a large amount of manpower and materials；
(3) present configuration is stable, implements reliable, can be used for producing manufacture in enormous quantities, improves
Work efficiency.
Accompanying drawing explanation
Fig. 1 is the structural representation of chopped-off head separation core of the present invention；
Fig. 2 is the structural representation of star distributed depressions structure of the present invention；
Fig. 3 is the structural representation of secondary separation core of the present invention；
Fig. 4 is the structural representation after chopped-off head separation core of the present invention and secondary separation core combination；
Fig. 5 is the secondary postrotational structural representation of separation core of the present invention；
Fig. 6 is the structural representation of cylindrical cavity inwall bulge-structure of the present invention.
In figure, reference is: 1, chopped-off head separation core；101, star distributed depressions structure；
102, interior circular hole；2, secondary separation core；201, star distribution bulge-structure；301, circle
Post cavity wall bulge-structure.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but the present invention
Embodiment be not limited to this.
Embodiment 1
As shown in figures 1 to 6, a kind of core manufacturing cylindrical cavity inwall bulge-structure, divides including chopped-off head
Release core 1 and secondary separation core 2, described chopped-off head separation core 1 is hollow circular cylinder structure,
Cylindrical member at one end is provided with star distributed depressions structure 101, described star distributed depressions structure 101
Center is provided with interior circular hole 102；The described secondary core 2 that separates is entity axle construction, described entity
Axle one end is provided with star distribution bulge-structure 201；The described secondary entity axle separating core 2 can
Enter in its hollow circular cylinder with the interior circular hole 102 through described chopped-off head separation core 1, described
The secondary entity axle separating core 2 can in the interior circular hole 102 of described chopped-off head separation core 1 certainly
By rotating；The described secondary star distribution bulge-structure 201 separating core 2 embeds the head of correspondence
In the star distributed depressions structure 101 of level divergence type core 1；The described secondary star separating core 2
The diameter of shape distribution bulge-structure 201 is equal to or less than chopped-off head separation core 1 cylindrical structure
Diameter, enable the secondary core that separates successfully to pull out in cylindrical cavity；Described fraction
Release core 2 forms assembly separate core 1 combination with chopped-off head after, and described assembly presents cylinder
Body structure, and described star distribution bulge-structure 201 and star distributed depressions structure 101 match
Form groove, described star distribution bulge-structure 201 and star on described assembly surface after conjunction
The groove wedge shaped body structure that distributed depressions structure 101 is formed after matching.Described chopped-off head divides
The star distributed depressions structure 101 of release core 1 is cross star distributed depressions structure, described secondary
The star distribution bulge-structure 201 separating core 2 is distributed bulge-structure for cross star.
During work, secondary is separated the entity axle of core 2 through described chopped-off head separation core 1
Interior circular hole 102 enters in its hollow circular cylinder, the secondary star distribution projection knot separating core 2
In the star distributed depressions structure 101 of the chopped-off head separation core 1 that structure 201 embeds correspondence, formed
Assembly；By the cylindrical cavity casting containing assembly；Cylindrical cavity inwall bulge-structure 301
After molding, first chopped-off head separation core 1 is pulled out from cylindrical cavity, then by secondary fraction
Release core 2 rotates to an angle, and makes the secondary star separated on core 2 distribution bulge-structure 201
Staggering with cylindrical cavity inwall bulge-structure 301, then pull-out secondary separates core 2, finally justifies
Post cavity wall bulge-structure 301 completion of processing, the core demoulding completes.
The present invention realizes being cast as of highly difficult cylindrical cavity inwall bulge-structure with simple structure
Shape, saves great amount of cost；Easy to operate, save a large amount of manpower and materials；Stability Analysis of Structures,
Implement reliable, can be used for producing manufacture in enormous quantities, improve work efficiency.
Embodiment 2
Present embodiment in addition to following characteristics with embodiment 1:
The star distributed depressions structure 101 of described chopped-off head separation core 1 is rice word star distributed depressions
Structure；The described secondary star distribution bulge-structure 201 separating core 2 is that the distribution of rice word star is convex
Play structure.Described star distribution bulge-structure 201 and star distributed depressions structure 101 match
Rear formed groove is square or rectangular structure.
Embodiment 3
Present embodiment in addition to following characteristics with embodiment 1:
Described star distribution bulge-structure 201 and star distributed depressions structure 101 match after institute
The groove formed is semi-circular structure.
Above-mentioned for the present invention preferably embodiment, but embodiments of the present invention are not by above-mentioned
The restriction of content, that is made under other any spirit without departing from the present invention and principle changes
Become, modify, substitute, combine, simplify, all should be the substitute mode of equivalence, be included in this
Within the protection domain of invention.
Claims (8)
1. the core manufacturing cylindrical cavity inwall bulge-structure, it is characterised in that include chopped-off head
Separating core and secondary separation core, described chopped-off head separation core is hollow circular cylinder structure, circle
Cylinder one end is provided with star distributed depressions structure, in described star distributed depressions structure centre is provided with
Circular hole；The described secondary core that separates is entity axle construction, and described entity axle one end is provided with star and divides
Cloth bulge-structure；
The described secondary entity axle separating core can be through the interior circular hole of described chopped-off head separation core
Entering in its hollow circular cylinder, the described secondary entity axle separating core can separate at described chopped-off head
The interior circular hole of core rotates freely；It is embedding that the described secondary star separating core is distributed bulge-structure
In the star distributed depressions structure of the chopped-off head separation core entering correspondence；Described secondary separate core and
Forming assembly after the combination of chopped-off head separation core, described assembly presents cylindrical structure, and institute
State star distribution bulge-structure and star distributed depressions structure match after on described assembly surface
Form groove.
The core of manufacture cylindrical cavity inwall bulge-structure the most according to claim 1, it is special
Levying and be, the star distributed depressions structure of described chopped-off head separation core is cross star distributed depressions knot
Structure；The described secondary star distribution bulge-structure separating core is that cross star is distributed bulge-structure.
The core of manufacture cylindrical cavity inwall bulge-structure the most according to claim 1, it is special
Levying and be, the star distributed depressions structure of described chopped-off head separation core is rice word star distributed depressions knot
Structure；The described secondary star distribution bulge-structure separating core is that rice word star is distributed bulge-structure.
The core of manufacture cylindrical cavity inwall bulge-structure the most according to claim 1, it is special
Levying and be, described star distribution bulge-structure and star distributed depressions structure are formed after matching
Groove wedge shaped body structure.
The core of manufacture cylindrical cavity inwall bulge-structure the most according to claim 1, it is special
Levying and be, described star distribution bulge-structure and star distributed depressions structure are formed after matching
Groove be square or rectangular structure.
The core of manufacture cylindrical cavity inwall bulge-structure the most according to claim 1, it is special
Levying and be, described star distribution bulge-structure and star distributed depressions structure are formed after matching
Groove be semi-circular structure.
The core of manufacture cylindrical cavity inwall bulge-structure the most according to claim 1, it is special
Levying and be, the diameter of the described secondary star distribution bulge-structure separating core is less than or equal to
The diameter of chopped-off head separation core cylindrical structure.
8. one kind by described in any one of claim 1-7 manufacture cylindrical cavity inwall bulge-structure core
Implementation method, it is characterised in that comprise the steps:
(1) secondary separates the entity axle of core enter through the interior circular hole of described chopped-off head separation core
Entering in its hollow circular cylinder, the secondary star distribution bulge-structure separating core embeds corresponding head
In the star distributed depressions structure of level divergence type core, form assembly；
(2) by the cylindrical cavity casting containing described assembly；
(3) after the molding of cylindrical cavity inwall bulge-structure, first by chopped-off head separation core from cylinder
Cavity pulls out, then secondary is separated core and rotate to an angle, make secondary separation on core
Star distribution bulge-structure stagger with cylindrical cavity inwall bulge-structure, the secondary separation of then pull-out
Core, last cylindrical cavity inwall bulge-structure completion of processing, the core demoulding completes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610437335.9A CN106003491A (en) | 2016-06-16 | 2016-06-16 | Mold core for manufacturing bulge structures on inner wall of cylindrical cavity and implementation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610437335.9A CN106003491A (en) | 2016-06-16 | 2016-06-16 | Mold core for manufacturing bulge structures on inner wall of cylindrical cavity and implementation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106003491A true CN106003491A (en) | 2016-10-12 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610437335.9A Pending CN106003491A (en) | 2016-06-16 | 2016-06-16 | Mold core for manufacturing bulge structures on inner wall of cylindrical cavity and implementation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN106003491A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985348A (en) * | 2017-04-25 | 2017-07-28 | 广东工业大学 | A kind of core and its implementation for manufacturing right cylinder cavity inwall bulge-structure |
| CN108672647A (en) * | 2018-04-27 | 2018-10-19 | 江铃汽车股份有限公司 | A kind of sand core and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101885227A (en) * | 2010-07-27 | 2010-11-17 | 冠捷显示科技（厦门）有限公司 | A kind of demoulding device for barb injection molded part |
| EP2581194A1 (en) * | 2010-06-11 | 2013-04-17 | Irumold S.L. | Mould for injected parts with internal projections |
| CN205853204U (en) * | 2016-06-16 | 2017-01-04 | 广东工业大学 | A kind of core manufacturing cylindrical cavity inwall bulge-structure |
-
2016
- 2016-06-16 CN CN201610437335.9A patent/CN106003491A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2581194A1 (en) * | 2010-06-11 | 2013-04-17 | Irumold S.L. | Mould for injected parts with internal projections |
| CN101885227A (en) * | 2010-07-27 | 2010-11-17 | 冠捷显示科技（厦门）有限公司 | A kind of demoulding device for barb injection molded part |
| CN205853204U (en) * | 2016-06-16 | 2017-01-04 | 广东工业大学 | A kind of core manufacturing cylindrical cavity inwall bulge-structure |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985348A (en) * | 2017-04-25 | 2017-07-28 | 广东工业大学 | A kind of core and its implementation for manufacturing right cylinder cavity inwall bulge-structure |
| CN106985348B (en) * | 2017-04-25 | 2023-04-07 | 广东工业大学 | Mold core for manufacturing convex structure of inner wall of straight column type cavity and implementation method thereof |
| CN108672647A (en) * | 2018-04-27 | 2018-10-19 | 江铃汽车股份有限公司 | A kind of sand core and preparation method thereof |
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Application publication date: 20161012 |