CN103847071A - Anti-mold drawing three-section type horn gate - Google Patents
Anti-mold drawing three-section type horn gate Download PDFInfo
- Publication number
- CN103847071A CN103847071A CN201210517280.4A CN201210517280A CN103847071A CN 103847071 A CN103847071 A CN 103847071A CN 201210517280 A CN201210517280 A CN 201210517280A CN 103847071 A CN103847071 A CN 103847071A
- Authority
- CN
- China
- Prior art keywords
- cast gate
- gate
- glue powder
- circular arc
- arc
- 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
- 239000003292 glue Substances 0.000 claims description 43
- 239000000843 powder Substances 0.000 claims description 37
- 238000000465 moulding Methods 0.000 abstract description 6
- 230000007704 transition Effects 0.000 abstract 3
- 230000007423 decrease Effects 0.000 abstract 1
- 238000000034 method Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
Images
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
- B29C45/26—Moulds
- B29C45/27—Sprue channels ; Runner channels or runner nozzles
- B29C45/2701—Details not specific to hot or cold runner channels
- B29C45/2708—Gates
Abstract
The invention discloses an Anti-mold drawing three-section type horn gate. The horn gate is shaped like a horn-type curved cone, and the cross section dimension of the horn gate gradually decreases. The horn gate comprises a front-end gate, a first gate, a second gate and a third gate, wherein the front-end gate is arranged at a joint of the horn gate and a product; the first gate is connected with the front-end gate; the center line of the first gate is a first arc which is in smooth transition with the center line of the front-end gate; the second gate is connected with the first gate; the center line of the second gate is a second arc which is in smooth transition with the first arc; the third gate is connected with the second gate; the center line of the third gate is a third arc which is in arc transition with the second arc. The horn gate has the advantages that effective de-molding is realized; the horn gate is difficult to deform or break during ejection; the product quality can be improved; the situations that products are easy to recess by drawing and easy to deform are prevented; the molding period can be shortened; the productivity is improved.
Description
[technical field]
The present invention relates to a kind of gate form in mould, be specifically related to a kind of anti-drawing-die syllogic cow glue powder.
[background technology]
Hiding in glue, generally adopt ox horn formula to hide into glue, the shape of cow glue powder defines its two ends diameter by one section of round and smooth circular arc and forms.As Fig. 1 illustrates, for cow glue powder 10 of the prior art, the radian direction motion of the die cavity upper surface 12 of postponing in stub bar 11 in this cow glue powder 10 upwards ejects will be molded at thimble, although these cow glue powder 10 shapes are round and smooth, but this stub bar 11 is about 2/3 of this die cavity wall upper surface with the friction area of die cavity upper surface 12, this stub bar 11 is had some setbacks in the time of the demoulding, and in ejection process this stub bar 11 yielding, easily break, thereby also can make the product of moulding draw recessed, draw distortion.
In view of this, be in fact necessary to provide a kind of cow glue powder, the stub bar that makes to be molded in cow glue powder diminishes with the contact area of die cavity upper surface, makes this stub bar and this cow glue powder demoulding smooth and easy, avoids the product generation membrane of moulding and the problem of distortion.
[summary of the invention]
Therefore, the invention provides a kind of anti-drawing-die syllogic cow glue powder, this cow glue powder makes stub bar in this cow glue powder and the contact area of cavity surface reduce in the time of the demoulding, thereby more smooth and easy in the time of the demoulding, quality that more can improving product.
In order to achieve the above object, anti-drawing-die syllogic cow glue powder provided by the invention, it is applied to the product that needs submarine type glue feeding in mould, and the shape of this cow glue powder is dwindled gradually as the shaped form cone of ox horn formula and its sectional dimension, and this cow glue powder comprises:
Front end cast gate, it is located at described cow glue powder and described product connection;
The first cast gate, it connects described front end cast gate, and the center line of this first cast gate is the first circular arc, the center line rounding off of described the first circular arc and described front end cast gate, the sectional dimension of described front end cast gate is less than the sectional dimension of this first cast gate;
The second cast gate, it connects described the first cast gate, and the center line of this second cast gate is the second circular arc, described the second circular arc and described the first circular arc rounding off, the sectional dimension of described the first cast gate is less than the sectional dimension of this second cast gate;
The 3rd cast gate, it connects described the second cast gate, and the center line of the 3rd cast gate is three-arc, described three-arc and described the second circular arc rounding off, the sectional dimension of described the second cast gate is less than the sectional dimension of the 3rd cast gate.
Preferably, the radius of described the first circular arc is greater than the radius of described the second circular arc.
Preferably, the radius of described the second circular arc is greater than the radius of described three-arc.
Preferably, the center line of described front end cast gate and the angle of vertical direction are 45 °.
Preferably, the cross section of described front end cast gate is taper.
Preferably, two hypotenuses of described taper and described the first cast gate are tangent.
The anti-drawing-die syllogic of the present invention cow glue powder is in the time of the demoulding, make the friction area of stub bar in described cow glue powder and die cavity wall upper surface be about this die cavity wall upper surface 1/3, all the other stub bar parts all with the empty avoiding of described die cavity upper surface, thereby reduced the contact area of described stub bar and described die cavity wall.
Compared to prior art, the anti-drawing-die syllogic of the present invention cow glue powder has the following advantages: the effectively demoulding, and not yielding and break in ejection process; Quality that can improving product, has prevented the generation of easy-to-draw recessed, the yielding situation of product; Can reduce moulding cycle, promote production capacity.
[brief description of the drawings]
Fig. 1 illustrates the side sectional view into cow glue powder in prior art.
Fig. 2 illustrates the side sectional view into the anti-drawing-die syllogic of the present invention cow glue powder.
[detailed description of the invention]
Below in conjunction with accompanying drawing, the specific embodiment of the invention is described in detail.
Anti-drawing-die syllogic cow glue powder provided by the invention, it is applied to the product that needs submarine type glue feeding in mould, referring to Fig. 2 illustrates, 100 for need to hide into the product of glue, the shape of this cow glue powder 200 is dwindled gradually as the shaped form cone of ox horn formula and its sectional dimension, and this cow glue powder comprises:
Front end cast gate 210, it is located at described cow glue powder 200 and described product 100 connections;
The first cast gate 220, it connects described front end cast gate 210, the center line of this first cast gate 220 is the first circular arc, the center line rounding off of described the first circular arc and described front end cast gate 210, and the sectional dimension of described front end cast gate 210 is less than the sectional dimension of this first cast gate 220;
The second cast gate 230, it connects described the first cast gate 220, and the center line of this second cast gate 230 is the second circular arc, described the second circular arc and described the first circular arc rounding off, the sectional dimension of described the first cast gate 220 is less than the sectional dimension of this second cast gate 230;
The 3rd cast gate 240, its center line that connects described the second cast gate 230, the three cast gates 240 is three-arc, described three-arc and described the second circular arc rounding off, the sectional dimension of described the second cast gate 230 is less than the sectional dimension of the 3rd cast gate 240.
Wherein, the radius R 1 of described the first circular arc is greater than the radius R 2 of described the second circular arc.
Wherein, the radius R 2 of described the second circular arc is greater than the radius R 3 of described three-arc.
Wherein, the center line of described front end cast gate 210 and the angle of vertical direction are 45 °.
Wherein, the cross section of described front end cast gate is taper.
Wherein, two hypotenuses of described taper and described the first cast gate 220 are tangent.
In the present embodiment, described the first cast gate 220 is connected the diameter of cross section of one end with described front end cast gate 210 can not be too large, if the diameter of described cross section is larger, angle that mutually should cross sectional planes projection is less, thereby will be unfavorable for the demoulding.The anti-drawing-die syllogic of the present invention cow glue powder 200 is in the time of the demoulding, by thimble, the stub bar 201 in described anti-drawing-die syllogic cow glue powder 200 is upwards pushed up, now postpone die cavity wall upper surface radian direction motion of this stub bar 201, because R1 is now greater than R2, R2 is greater than R3, now this stub bar 201 is only about 1/3 of this die cavity wall upper surface with the friction area of described die cavity wall upper surface, and all the other areas of approximately 2/3 are empty avoiding state, thereby makes this stub bar 201 demoulding smoothly.
Compared to prior art, the anti-drawing-die syllogic of the present invention cow glue powder has the following advantages: the effectively demoulding, and not yielding and break in ejection process; Quality that can improving product, has prevented the generation of easy-to-draw recessed, the yielding situation of product; Can reduce moulding cycle, promote production capacity.
Be pointed out that, the invention is not restricted to above-mentioned embodiment, any simple modification, equivalent variations and modification that any those skilled in the art do above-described embodiment based on technical solution of the present invention, all fall within the scope of protection of the present invention.
Claims (6)
1. an anti-drawing-die syllogic cow glue powder, it is applied to the product that needs submarine type glue feeding in mould, and the shape of this cow glue powder is dwindled gradually as the shaped form cone of ox horn formula and its sectional dimension, it is characterized in that, and this cow glue powder comprises successively:
Front end cast gate, it is located at described cow glue powder and described product connection;
The first cast gate, it connects described front end cast gate, and the center line of this first cast gate is the first circular arc, the center line rounding off of described the first circular arc and described front end cast gate, the sectional dimension of described front end cast gate is less than the sectional dimension of this first cast gate;
The second cast gate, it connects described the first cast gate, and the center line of this second cast gate is the second circular arc, described the second circular arc and described the first circular arc rounding off, the sectional dimension of described the first cast gate is less than the sectional dimension of this second cast gate;
The 3rd cast gate, it connects described the second cast gate, and the center line of the 3rd cast gate is three-arc, described three-arc and described the second circular arc rounding off, the sectional dimension of described the second cast gate is less than the sectional dimension of the 3rd cast gate.
2. anti-drawing-die syllogic cow glue powder according to claim 1, is characterized in that, the radius of described the first circular arc is greater than the radius of described the second circular arc.
3. anti-drawing-die syllogic cow glue powder according to claim 1, is characterized in that, the radius of described the second circular arc is greater than the radius of described three-arc.
4. anti-drawing-die syllogic cow glue powder according to claim 1, is characterized in that, the center line of described front end cast gate and the angle of vertical direction are 45 °.
5. anti-drawing-die syllogic cow glue powder according to claim 1, is characterized in that, the cross section of described front end cast gate is taper.
6. anti-drawing-die syllogic cow glue powder according to claim 5, is characterized in that, two hypotenuses of described taper and described the first cast gate are tangent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517280.4A CN103847071B (en) | 2012-12-06 | 2012-12-06 | Anti-drawing-die syllogic cow glue powder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210517280.4A CN103847071B (en) | 2012-12-06 | 2012-12-06 | Anti-drawing-die syllogic cow glue powder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103847071A true CN103847071A (en) | 2014-06-11 |
| CN103847071B CN103847071B (en) | 2016-05-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210517280.4A Active CN103847071B (en) | 2012-12-06 | 2012-12-06 | Anti-drawing-die syllogic cow glue powder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103847071B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904672A (en) * | 2016-07-06 | 2016-08-31 | 健大电业制品（昆山）有限公司 | Mold allowing product to be taken out easily and machining to be conducted easily |
| CN108724638A (en) * | 2018-06-26 | 2018-11-02 | 珠海格力精密模具有限公司 | Sprue gate mold insert and mold including it |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254480A (en) * | 2004-03-09 | 2005-09-22 | Nippon Densan Corp | Valve gate type injection molding machine and injection-molding method using it |
| CN2897620Y (en) * | 2006-05-20 | 2007-05-09 | 比亚迪股份有限公司 | Plastic mould |
| CN201346834Y (en) * | 2009-01-13 | 2009-11-18 | 圣美精密工业(昆山)有限公司 | Injection molding die |
| CN203141767U (en) * | 2012-12-06 | 2013-08-21 | 汉达精密电子(昆山)有限公司 | Anti-film drawing three-segment horn gate |
-
2012
- 2012-12-06 CN CN201210517280.4A patent/CN103847071B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005254480A (en) * | 2004-03-09 | 2005-09-22 | Nippon Densan Corp | Valve gate type injection molding machine and injection-molding method using it |
| CN2897620Y (en) * | 2006-05-20 | 2007-05-09 | 比亚迪股份有限公司 | Plastic mould |
| CN201346834Y (en) * | 2009-01-13 | 2009-11-18 | 圣美精密工业(昆山)有限公司 | Injection molding die |
| CN203141767U (en) * | 2012-12-06 | 2013-08-21 | 汉达精密电子(昆山)有限公司 | Anti-film drawing three-segment horn gate |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105904672A (en) * | 2016-07-06 | 2016-08-31 | 健大电业制品（昆山）有限公司 | Mold allowing product to be taken out easily and machining to be conducted easily |
| CN108724638A (en) * | 2018-06-26 | 2018-11-02 | 珠海格力精密模具有限公司 | Sprue gate mold insert and mold including it |
| CN108724638B (en) * | 2018-06-26 | 2023-09-08 | 珠海格力精密模具有限公司 | Pouring gate insert and die comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103847071B (en) | 2016-05-04 |
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