CN110814293A - Improved structure of anti-sticking cold filling nozzle - Google Patents
Improved structure of anti-sticking cold filling nozzle Download PDFInfo
- Publication number
- CN110814293A CN110814293A CN201810905398.1A CN201810905398A CN110814293A CN 110814293 A CN110814293 A CN 110814293A CN 201810905398 A CN201810905398 A CN 201810905398A CN 110814293 A CN110814293 A CN 110814293A
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- China
- Prior art keywords
- filling nozzle
- nozzle
- stub bar
- improved structure
- sticking
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/08—Features with respect to supply of molten metal, e.g. ingates, circular gates, skim gates
- B22C9/082—Sprues, pouring cups
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22C—FOUNDRY MOULDING
- B22C9/00—Moulds or cores; Moulding processes
- B22C9/06—Permanent moulds for shaped castings
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention relates to the technical field of metal forming, in particular to an improved structure of a mold-sticking-preventing cold filling nozzle on an injection molding mold. The invention comprises the following steps: the outer part of the mother filling nozzle comprises a cylinder and a rectangular block which are connected together; the interior of the mother irrigation nozzle comprises a first part with a rectangular section, a second part connected with the first part and with a round table-shaped section, and a third part connected with the second part and with a strip-shaped section; the diameters of the first part, the second part and the third part are gradually reduced; the third part is a molding stub bar area, and the length of the third part is smaller than the thickness of the rectangular block. Compared with the prior art, the invention reduces the volume of the material head part structure formed by the female filling nozzle by changing the two sides of the runner opening of the male filling nozzle from round edges into straight edges; therefore, the volume of the formed stub bar is reduced, the cooling and solidifying time of the stub bar is shortened, the time spent on molding is reduced, and the condition that the ejection thimble is forcedly broken due to die bonding is avoided.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of metal forming, in particular to an improved structure of a mold-sticking-preventing cold filling nozzle on an injection molding mold.
[ background of the invention ]
When the metal workpiece is formed, the metal melt is fed into the mold core from the pouring nozzle for forming, and the metal melt forms a stub bar at the pouring nozzle. If the structural design of the related mould is not ideal, the volume of the formed stub bar is large, the time spent on cooling and solidification is too long, the stub bar is adhered in the filling nozzle, and demoulding is difficult.
The stub bar adhesion can bring follow-up problem in irritating the mouth: firstly, if forced demolding causes irregular fracture between a stub bar and a product, the product quality is influenced, and an excessive ejection force can cause breakage of an ejector pin, so that the production cost is increased; secondly, the larger stub bar has longer cooling time, which consumes the forming time and reduces the production efficiency.
Compared with hot runner molding, a stub bar with larger volume can appear in the cold runner molding process. Not only the male filling nozzle can have a stub bar, but also the female filling nozzle can have the stub bar. Therefore, the problems of long cooling time and difficult demoulding caused by overlarge stub bar are all required to be solved.
In view of the above, there is a need to develop an improved structure of a mold-sticking-preventing cold filling nozzle, which can shorten the cooling time of the stub bar and make the stripping of the stub bar easier.
[ summary of the invention ]
Therefore, the invention aims to provide an improved structure of the anti-sticking cold filling nozzle. This antiseized mould cold filling mouth improves structure can shorten stub bar cool time and make the stub bar drawing of patterns easier.
In order to achieve the above object, the improved structure of the anti-sticking cold filling nozzle on the injection molding mold comprises a male filling nozzle and a female filling nozzle, wherein the centers of the male filling nozzle and the female filling nozzle are respectively provided with a flow channel, and the improved structure is characterized by further comprising:
the outer part of the mother filling nozzle comprises a cylinder and a rectangular block which are connected together;
the interior of the mother irrigation nozzle comprises a first part with a rectangular cross section, a second part connected with the first part and with a circular truncated cone-shaped cross section, and a third part connected with the second part and with a strip-shaped cross section; the diameters of the first part, the second part and the third part are reduced one by one;
the third part is a molding stub bar area, and the length of the third part is smaller than the thickness of the rectangular block.
Preferably, the side surface of the male irrigation nozzle is provided with a vent hole respectively, the two vent holes are positioned on the same horizontal line, and the two vent holes are communicated with each other through a pipeline in the male irrigation nozzle; when the air cooling device is used, air is blown inwards through one ventilation hole and is exhausted from the other ventilation hole through the pipeline, and an air cooling area is formed near a flow passage of the male filling nozzle.
Preferably, both sides of the flow passage opening of the male irrigation nozzle are straight edges, and the width of the flow passage opening is 26 mm.
Preferably, the thickness of the rectangular block is 43 mm.
Preferably, the length of the third part is 25mm, and the diameter of the formed stub bar is 22.5 mm.
Preferably, the third part is further divided into a front nozzle and a rear section, and the diameter of the front nozzle is equal to that of the stub bar.
Compared with the prior art, the improved structure of the anti-sticking cold filling nozzle reduces the volume of the molding head part structure of the female filling nozzle by changing the round edges of the two sides of the runner opening of the male filling nozzle into the straight edges; therefore, the volume of the formed stub bar is reduced, the cooling and solidifying time of the stub bar is shortened, the time spent on molding is reduced, and the condition that the ejection thimble is forcedly broken due to die bonding is avoided.
[ description of the drawings ]
FIG. 1 is a schematic view of a female nozzle of the improved mold-sticking-preventing cold-filling nozzle structure of the present invention.
FIG. 2 is a sectional view A-A of the female nozzle of the improved mold-sticking prevention cold-filling nozzle structure of the present invention.
FIG. 3 is a schematic view of the improved structure of the anti-sticking cold filling nozzle of the present invention.
Fig. 4 is a schematic view illustrating a first working state of the improved structure of the mold-sticking prevention cold filling nozzle according to a preferred embodiment of the present invention.
Fig. 5 is a schematic view illustrating a second working state of the improved structure of the mold-sticking prevention cold filling nozzle according to a preferred embodiment of the invention.
[ detailed description ] embodiments
Referring to fig. 1 to 3, fig. 1 is a schematic view of a female nozzle of the improved structure of the anti-sticking cold nozzle of the present invention, fig. 2 is a cross-sectional view a-a of the female nozzle of the improved structure of the anti-sticking cold nozzle of the present invention, and fig. 3 is a schematic view of a male nozzle of the improved structure of the anti-sticking cold nozzle of the present invention.
The invention is a cold pouring nozzle improved structure of sticking-proof on the injection molding mould, the pouring nozzle part of the molding mould includes the male pouring nozzle 10 and the female pouring nozzle 20, the center of the male pouring nozzle 10 and the female pouring nozzle 20 are all equipped with the flow channel, it also includes:
the outside of the mother pouring nozzle 20 comprises a cylinder 201 and a rectangular block 202 which are connected together;
the interior of the mother irrigation nozzle 20 comprises a first part 203 with a rectangular cross section, a second part 204 with a truncated cone shape in cross section and connected with the first part 203, and a third part 205 with a strip shape in cross section and connected with the second part 204; the diameters of the first part 203, the second part 204 and the third part 205 are reduced one by one;
the third portion 205 is a molding stub bar area, and the length of the third portion 205 is smaller than the thickness of the rectangular block 202.
Preferably, the side surfaces of the male filling nozzle 10 are respectively provided with a vent hole 101, the two vent holes 101 are positioned on the same horizontal line, and the two vent holes 101 are communicated with each other through a pipeline in the male filling nozzle 10; when the air cooling device is used, air is blown inwards through one ventilation hole 101 and is exhausted from the other ventilation hole 101 through the pipeline, and an air cooling area is formed near a flow channel of the male filling nozzle 10, so that a stub bar can be cooled quickly, and the forming time is saved.
Preferably, both sides of the flow passage opening 102 of the male irrigation nozzle 10 are straight edges, and the width thereof is 26 mm; the throat opening 102 is originally a rounded edge, and is modified to reduce the volume of the product head.
Preferably, the thickness of the rectangular block 202 is 43 mm; the thickness of the originally designed rectangular block 202 is equal to the length of the third portion 205.
Preferably, the length of the third portion 205 is 25mm, and the diameter of the formed stub bar is 22.5 mm; the stub bar formed in the original mother pouring nozzle 20 is a cylinder with the length of 43mm and the diameter of 29.8mm, the length is shortened to 25mm after modification, the diameter is shortened to 22.5mm, the size of the formed stub bar is reduced, the stub bar cooling time is reduced, and the material utilization rate is increased.
Preferably, the third portion 205 of the mother nozzle 20 is further divided into a front nozzle and a rear section, the diameter of the front nozzle is 22.5mm, and the diameter of the rear section is 18mm (the diameter of the rear end before modification is 21 mm); since the stub bar is molded based on the diameter of the front nozzle, the diameter of the stub bar produced during molding is 22.5 mm.
The following provides a preferred embodiment of the improved structure of the anti-sticking hot filling nozzle.
Referring to fig. 4 and 5 in combination with fig. 2, fig. 4 is a schematic view illustrating a first working state of the improved structure of the anti-sticking cold filling nozzle of the present invention in a preferred embodiment, fig. 5 is a schematic view illustrating a second working state of the improved structure of the anti-sticking cold filling nozzle of the present invention in a preferred embodiment, and fig. 2 is a sectional view a-a of a female filling nozzle of the improved structure of the anti-sticking cold filling nozzle of the present invention.
The spherical nozzle 30 extends into the mother pouring nozzle and injects the metal melt into a flow channel at the center of the mother pouring nozzle; in the molding process, the air is blown inwards from the air vent 101 of the male filling nozzle 10 to form an air cooling channel, so that the stub bar is rapidly cooled; and then opening the die, and quickly ejecting the product and the stub bar by using the ejector pin. Because the space of the third part 205 forming stub bar in the female filling nozzle 20 is reduced, the volume of the produced stub bar is smaller, the stub bar is convenient to cool and is not easy to stick to a mold, and the demolding process is smoother.
Compared with the prior art, the improved structure of the anti-sticking cold filling nozzle reduces the volume of the molding head part structure of the female filling nozzle by changing the round edges of the two sides of the runner opening of the male filling nozzle into the straight edges; therefore, the volume of the formed stub bar is reduced, the cooling and solidifying time of the stub bar is shortened, the time spent on molding is reduced, and the condition that the ejection thimble is forcedly broken due to die bonding is avoided.
It should be noted that the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments by those skilled in the art based on the technical solution of the present invention fall within the protection scope of the present invention.
Claims (6)
1. The utility model provides a prevent sticking to mould cold filling nozzle improvement structure on injection moulding mould, the filling nozzle part of forming mould is including public filling nozzle and female filling nozzle, public filling nozzle with the central department of female filling nozzle all is equipped with the runner, its characterized in that, it still includes:
the outer part of the mother filling nozzle comprises a cylinder and a rectangular block which are connected together;
the interior of the mother irrigation nozzle comprises a first part with a rectangular cross section, a second part connected with the first part and with a circular truncated cone-shaped cross section, and a third part connected with the second part and with a strip-shaped cross section; the diameters of the first part, the second part and the third part are reduced one by one;
the third part is a molding stub bar area, and the length of the third part is smaller than the thickness of the rectangular block.
2. The improved structure of the anti-sticking cold filling nozzle as claimed in claim 1, wherein the side surfaces of the male filling nozzle are respectively provided with a vent hole, the two vent holes are located on the same horizontal line, and the two vent holes are communicated with each other through a pipeline arranged in the male filling nozzle; when the air cooling device is used, air is blown inwards through one ventilation hole and is exhausted from the other ventilation hole through the pipeline, and an air cooling area is formed near a flow passage of the male filling nozzle.
3. The improved structure of the anti-sticking cold filling nozzle as claimed in claim 1, wherein the two sides of the flow opening of the male filling nozzle are straight edges, and the width of the straight edges is 26 mm.
4. The improved structure of the anti-sticking cold filling nozzle as claimed in claim 1, wherein the thickness of the rectangular block is 43 mm.
5. The improved structure of the anti-sticking cold filling nozzle as claimed in claim 1, wherein the length of the third part is 25mm, and the diameter of the molding stub bar is 22.5 mm.
6. The improved structure of the anti-sticking cold filling nozzle as claimed in claim 5, wherein said third portion is further divided into a front nozzle and a rear section, and the diameter of said front nozzle is equal to the diameter of said stub bar.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810905398.1A CN110814293A (en) | 2018-08-10 | 2018-08-10 | Improved structure of anti-sticking cold filling nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810905398.1A CN110814293A (en) | 2018-08-10 | 2018-08-10 | Improved structure of anti-sticking cold filling nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110814293A true CN110814293A (en) | 2020-02-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810905398.1A Pending CN110814293A (en) | 2018-08-10 | 2018-08-10 | Improved structure of anti-sticking cold filling nozzle |
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| Country | Link |
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| CN (1) | CN110814293A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100744597B1 (en) * | 2006-03-27 | 2007-08-01 | 허남욱 | Hot Runner Valve Nozzle for Molding Plastics maintaining sizes of sliding hole fixedly |
| CN202062587U (en) * | 2011-05-16 | 2011-12-07 | 东莞市科盛实业有限公司 | Cooling type nozzle |
| CN102275268A (en) * | 2010-06-10 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Nozzle and injection mold adopting same |
| CN103112132A (en) * | 2013-03-06 | 2013-05-22 | 马斯特模具（昆山）有限公司 | Improved main filling nozzle structure for hot runner system |
| CN103587053A (en) * | 2012-08-14 | 2014-02-19 | 苏州汉扬精密电子有限公司 | Oblique point plastic feeding channel structure |
| CN104044248A (en) * | 2014-06-10 | 2014-09-17 | 宁波双林模具有限公司 | Horizontal slide block and automatic material disconnection combined device of injection molding mold |
| CN207594254U (en) * | 2017-12-11 | 2018-07-10 | 宁波千普机械制造有限公司 | A kind of Zhuan She mechanisms applied to rubber injection moulding machine |
| CN207696920U (en) * | 2017-11-25 | 2018-08-07 | 青岛科技大学 | A kind of rubber injection machine no waste mine head nozzle arrangements |
-
2018
- 2018-08-10 CN CN201810905398.1A patent/CN110814293A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100744597B1 (en) * | 2006-03-27 | 2007-08-01 | 허남욱 | Hot Runner Valve Nozzle for Molding Plastics maintaining sizes of sliding hole fixedly |
| CN102275268A (en) * | 2010-06-10 | 2011-12-14 | 鸿富锦精密工业（深圳）有限公司 | Nozzle and injection mold adopting same |
| CN202062587U (en) * | 2011-05-16 | 2011-12-07 | 东莞市科盛实业有限公司 | Cooling type nozzle |
| CN103587053A (en) * | 2012-08-14 | 2014-02-19 | 苏州汉扬精密电子有限公司 | Oblique point plastic feeding channel structure |
| CN103112132A (en) * | 2013-03-06 | 2013-05-22 | 马斯特模具（昆山）有限公司 | Improved main filling nozzle structure for hot runner system |
| CN104044248A (en) * | 2014-06-10 | 2014-09-17 | 宁波双林模具有限公司 | Horizontal slide block and automatic material disconnection combined device of injection molding mold |
| CN207696920U (en) * | 2017-11-25 | 2018-08-07 | 青岛科技大学 | A kind of rubber injection machine no waste mine head nozzle arrangements |
| CN207594254U (en) * | 2017-12-11 | 2018-07-10 | 宁波千普机械制造有限公司 | A kind of Zhuan She mechanisms applied to rubber injection moulding machine |
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Application publication date: 20200221 |
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