CN109878025B - Novel injection molding threaded cover die - Google Patents
Novel injection molding threaded cover die Download PDFInfo
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- CN109878025B CN109878025B CN201910163800.8A CN201910163800A CN109878025B CN 109878025 B CN109878025 B CN 109878025B CN 201910163800 A CN201910163800 A CN 201910163800A CN 109878025 B CN109878025 B CN 109878025B
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- 238000001746 injection moulding Methods 0.000 title claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 239000012528 membrane Substances 0.000 claims abstract description 6
- 230000003247 decreasing effect Effects 0.000 claims description 13
- 238000013459 approach Methods 0.000 claims description 4
- 230000006978 adaptation Effects 0.000 claims 2
- 229920003023 plastic Polymers 0.000 claims 1
- 239000004033 plastic Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000012545 processing Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The invention discloses a novel injection thread cover die, which comprises: push pedal, mold core subassembly, fixed membrane and movable mould, wherein: the push plate is positioned above the fixed film, and a through groove is formed in the push plate; the mold core assembly comprises a center column, a first inclined plane block, a second inclined plane block, a third inclined plane block and a fourth inclined plane block; the center column passes through the through groove and is fixed on the fixed film; the first inclined surface block and the second inclined surface block are oppositely arranged at two sides of the central column and are respectively matched with the inclined surfaces of the side walls of the central column; the third inclined plane block and the fourth inclined plane block are oppositely arranged at two sides of the connecting line of the first inclined plane block and the second inclined plane block and are respectively matched with the inclined planes of the side walls of the central column; a pushing mechanism is arranged below the mold core assembly; the movable mould is positioned above the mould core assembly, and an upper mould cavity is arranged on the movable mould. The invention has the advantages of convenient processing, stable structure, strong applicability, safety, reliability, simple operation and stable positioning in the injection molding production process.
Description
Technical Field
The invention relates to the technical field of molds, in particular to a novel injection molding threaded cover mold.
Background
In order to meet the requirements of the production process, the traditional injection molding threaded cap mold basically adopts a design mode of a rotary demolding structure, and the design mode has the problems of inconvenient mold processing, poor stability and the like, so that improvement is needed.
Disclosure of Invention
Based on the technical problems in the background art, the invention provides a novel injection molding threaded cover die.
The invention provides a novel injection molding threaded cover die, which comprises: push pedal, mold core subassembly, fixed membrane and movable mould, wherein:
the push plate is positioned above the fixed film, and is provided with a through groove which is penetrated up and down;
The mold core assembly comprises a center column, a first inclined plane block, a second inclined plane block, a third inclined plane block and a fourth inclined plane block; one end of the center column passes through the through groove and is fixed on the fixed film; the first inclined surface block and the second inclined surface block are both positioned in the through groove, and the first inclined surface block and the second inclined surface block are oppositely arranged at two sides of the central column and are respectively matched with the inclined surfaces of the side walls of the central column, and the distance between the matched inclined surfaces and the central line of the central column is gradually decreased from the bottom of the central column to the top direction of the central column; the third inclined plane block and the fourth inclined plane block are oppositely arranged at two sides of the connecting line of the first inclined plane block and the second inclined plane block and are respectively matched with the inclined planes of the side walls of the central column, and the distance between the matched inclined planes and the central line of the central column is gradually decreased from the bottom of the central column to the top direction of the central column; the third inclined surface block and the fourth inclined surface block are respectively movably arranged on the push plate and slide up and down along the matched inclined surface of the side wall of the central column along with the up-and-down movement of the push plate; the top parts of the first inclined plane block, the second inclined plane block, the third inclined plane block and the fourth inclined plane block are respectively provided with a die section, and when the die sections at the top parts of the first inclined plane block, the second inclined plane block, the third inclined plane block and the fourth inclined plane block are positioned in the same plane with the top surface of the center column, the die sections at the top parts of the first inclined plane block, the second inclined plane block, the third inclined plane block and the fourth inclined plane block are mutually matched to form a die with a thread groove on the outer wall;
A pushing mechanism for pushing the first inclined surface block and the second inclined surface block to slide up and down along the matched inclined surfaces is arranged below the mold core assembly;
the movable mould is arranged above the mould core assembly, an upper mould cavity is arranged on the movable mould, and the upper mould cavity covers the periphery of the mould in a mould closing state and is matched with the mould to form a mould cavity between the inner wall of the upper mould cavity and the outer wall of the mould.
Preferably, the pushing mechanism comprises an ejector plate, a first demolding ejector rod and a second demolding ejector rod, wherein the ejector plate is positioned below the fixed film, the first demolding ejector rod and the second demolding ejector rod are respectively and vertically fixed on the ejector plate, the top of the first demolding ejector rod passes through the fixed film to be propped against the bottom of the first inclined surface block, and the top of the second demolding ejector rod passes through the fixed film to be propped against the bottom of the second inclined surface block.
Preferably, a vertically extending ejection hole is formed in the central column, an ejection rod is arranged in the ejection hole, and the ejection rod is fixedly installed on the ejection plate.
Preferably, the side wall of the central column is provided with a first inclined plane, a second inclined plane, a third inclined plane and a fourth inclined plane, wherein the first inclined plane and the second inclined plane are oppositely arranged, the third inclined plane and the fourth inclined plane are oppositely arranged, the distance between the first inclined plane, the second inclined plane, the third inclined plane and the central line of the central column is gradually decreased from the bottom of the central column to the top of the central column, the third inclined plane is provided with a first protruding part arranged along the inclined direction of the first protruding part, and the fourth inclined plane is provided with a second protruding part arranged along the inclined direction of the second protruding part; the side surface of the first protruding part far away from the third inclined plane is parallel to the third inclined plane, the side surface of the second protruding part far away from the fourth inclined plane is parallel to the fourth inclined plane, and the widths of the first protruding part and the second protruding part are sequentially increased from the side close to the center column to the side far away from the center column so as to form a trapezoid cross-section structure; the first inclined plane block is attached to the first inclined plane, the second inclined plane block is attached to the second inclined plane, the third inclined plane block is provided with a first guide groove matched with the first guide part, the third inclined plane block is attached to the third inclined plane, the first protruding part is located in the first guide groove and is in sliding fit with the first guide groove, the fourth inclined plane block is provided with a second guide groove matched with the second protruding part, the fourth inclined plane block is attached to the fourth inclined plane, and the second protruding part is located in the second guide groove and is in sliding fit with the second guide groove.
Preferably, a groove which is concave towards the fixed film direction is arranged on the push plate, and a through hole is arranged at the bottom of the groove to form a through groove; the third inclined surface block and the fourth inclined surface block are positioned in the groove, and the bottoms of the third inclined surface block and the fourth inclined surface block are attached to the bottom surface of the groove.
According to the invention, the structure of the mold core assembly is set, so that when the mold is opened, the pushing plate can be lifted to drive the third inclined plane block and the fourth inclined plane block to move upwards along the matched inclined planes of the third inclined plane block and the fourth inclined plane block, the third inclined plane block and the fourth inclined plane block are gradually close by utilizing the limit that the distance between the matched inclined planes and the central line of the central column is gradually decreased, and the mold parts at the tops of the third inclined plane block and the fourth inclined plane block are driven to be close to the central part of the central column, so that the threaded parts of the third inclined plane block and the fourth inclined plane block are released from a workpiece; and then the pushing mechanism pushes the first inclined plane block and the second inclined plane block to move upwards, so that the first inclined plane block and the second inclined plane block are gradually close to each other by utilizing the limit that the distance between the first inclined plane block and the center line of the second inclined plane block and the center line of the center column are gradually decreased, the die parts at the tops of the first inclined plane block and the second inclined plane block are driven to be close to the center part of the center column, the thread parts of the die parts are tripped with the workpiece, and thus, each die part is completely tripped with the workpiece, and the demoulding work can be completed after the workpiece is taken down. The structure die is convenient to process, stable in structure, high in applicability, safe and reliable in the injection molding production process, simple to operate and stable in positioning.
Drawings
FIG. 1 is a schematic diagram of a novel injection threaded cap mold according to the present invention;
FIG. 2 is a three-dimensional effect diagram of a novel injection threaded cap mold according to the present invention;
FIG. 3 is a top view of a novel injection threaded cap mold according to the present invention with the movable mold removed;
FIG. 4 is a cross-sectional view taken along line C1-C1 of FIG. 3;
FIG. 5 is a cross-sectional view taken along line C2-C2 of FIG. 3;
fig. 6 is an enlarged view at C3 in fig. 3.
Detailed Description
The technical scheme of the invention is described in detail through specific embodiments.
1-6, FIG. 1 is a schematic structural view of a novel injection thread cap mold according to the present invention; FIG. 2 is a three-dimensional effect diagram of a novel injection threaded cap mold according to the present invention; FIG. 3 is a top view of a novel injection threaded cap mold according to the present invention with the movable mold removed; FIG. 4 is a cross-sectional view taken along line C1-C1 of FIG. 3; FIG. 5 is a cross-sectional view taken along line C2-C2 of FIG. 3; fig. 6 is an enlarged view at C3 in fig. 3.
Referring to fig. 1-6, the novel injection thread cover mold provided by the invention comprises: push pedal 1, mold core subassembly, fixed film 2 and movable mould 3, wherein: the push plate 1 is positioned above the fixed film 2, a groove recessed towards the fixed film 2 is arranged on the push plate 1, and a through hole is formed at the bottom of the groove to form a through groove.
The mold core assembly comprises a center post 10, a first bevel block 4, a second bevel block 5, a third bevel block 6 and a fourth bevel block 7; one end of the center column 10 passes through the through groove and is fixed on the fixed film 2; the first inclined surface block 4 and the second inclined surface block 5 are both positioned in the through groove, and the first inclined surface block 4 and the second inclined surface block 5 are oppositely arranged at two sides of the central column 10 and are respectively matched with the inclined surfaces of the side walls of the central column 10, and the distance between the matched inclined surfaces and the central line of the central column 10 is gradually decreased from the bottom of the central column 10 to the top direction of the central column; the third inclined plane block 6 and the fourth inclined plane block 7 are positioned in the groove, the third inclined plane block 6 and the fourth inclined plane block 7 are oppositely arranged at two sides of the connecting line of the first inclined plane block 4 and the second inclined plane block 5 and are respectively matched with the inclined planes of the side walls of the central column 10, and the distance between the matched inclined planes and the central line of the central column 10 is gradually decreased from the bottom of the central column 10 to the top direction of the central column; the third inclined plane block 6 and the fourth inclined plane block 7 are respectively movably arranged on the push plate 1 and slide up and down along the matched inclined plane of the side wall of the central column 10 along with the up-and-down movement of the push plate 1, so that the tops of the third inclined plane block 6 and the fourth inclined plane block 7 are mutually close when the push plate 1 is lifted. The top of the first, second, third and fourth inclined blocks 4,5, 6 and 7 are respectively provided with a section a, and when the sections a at the top of the first, second, third and fourth inclined blocks 4,5, 6 and 7 are located in the same plane with the top surface of the central column 10, the sections a at the top of the first, second, third and fourth inclined blocks 4,5, 6 and 7 are mutually matched to form a section a with a thread groove at the outer wall. The below of mold core subassembly is equipped with pushing equipment 8, pushing equipment 8 includes ejector plate 81, first drawing of patterns ejector pin 82 and second drawing of patterns ejector pin 83, ejector plate 81 is located the below of deciding membrane 2, and first drawing of patterns ejector pin 82 and second drawing of patterns ejector pin 83 are vertical respectively fixed on ejector plate 81, and the top of first drawing of patterns ejector pin 82 passes decides membrane 2 and supports with the bottom of first inclined plane piece 4 and lean on, and the top of second drawing of patterns ejector pin 83 passes decides membrane 2 and supports with the bottom of second inclined plane piece 5 and lean on to can promote first inclined plane piece 4 and second inclined plane piece 5 and upwards move along its cooperation inclined plane when making to lift up ejector plate 81, and then make the top of two upwards move the in-process that can be close to each other. The movable die 3 is located above the die core assembly, an upper die cavity is arranged on the movable die 3, and in a die clamping state, the upper die cavity covers the periphery of the die and is matched with the die to form a die cavity d between the inner wall of the upper die cavity and the outer wall of the die.
As can be seen from the above, the structure of the mold core assembly is provided, so that when the mold is opened, the push plate 1 can be lifted to drive the third inclined surface block 6 and the fourth inclined surface block 7 to move upwards along the matched inclined surfaces thereof, so that the third inclined surface block 6 and the fourth inclined surface block 7 gradually approach each other by utilizing the limitation that the distance between the matched inclined surfaces and the central line of the central column 10 decreases gradually, and the mold part a at the top of the third inclined surface block 6 and the fourth inclined surface block 7 is driven to approach the central part of the central column 10, so that the threaded part of the mold part is released from a workpiece; then the first inclined plane block 4 and the second inclined plane block 5 are pushed to move upwards by the pushing mechanism 8, so that the first inclined plane block 4 and the second inclined plane block 5 are gradually close to each other by utilizing the limit that the distances between the first inclined plane block 4 and the central line of the second inclined plane block 5 and the central column 10 are gradually decreased, the die part a at the top of the first inclined plane block 4 and the second inclined plane block 5 is driven to approach the central part of the central column 10, the thread part of the die part a is released from a workpiece, the die part a is completely released from the workpiece, and the demolding work can be completed by removing the workpiece. The structure die is convenient to process, stable in structure, high in applicability, safe and reliable in the injection molding production process, simple to operate and stable in positioning.
In addition, in this embodiment, be equipped with the liftout hole of vertical extension in the center post 10, be equipped with liftout pole 9 in the liftout hole, liftout pole 9 fixed mounting is on liftout plate 81, and when liftout plate 81 and first drawing of patterns ejector pin 82 and second drawing of patterns ejector pin 83 cooperation drive first inclined plane piece 4 and second inclined plane piece 5 to shift up so that after section mould portion a and work piece were tripped, this work piece can be pushed out under the effect of liftout pole 9 to accomplish drawing of patterns work.
In this embodiment, the sidewall of the center column 10 has a first inclined plane, a second inclined plane, a third inclined plane and a fourth inclined plane, where the first inclined plane is opposite to the second inclined plane, the third inclined plane is opposite to the fourth inclined plane, and the distance between the first inclined plane, the second inclined plane, the third inclined plane and the center line of the center column 10 decreases in sequence from the bottom of the center column 10 to the top thereof, the third inclined plane is provided with a first protruding portion 101 arranged along the inclined direction thereof, and the fourth inclined plane is provided with a second protruding portion 102 arranged along the inclined direction thereof; the side surface of the first protruding part 101 far away from the third inclined plane is parallel to the third inclined plane, the side surface of the second protruding part 102 far away from the fourth inclined plane is parallel to the fourth inclined plane, and the widths of the first protruding part 101 and the second protruding part 102 are sequentially increased from the side close to the center column 10 to the side far away from the center column 10 so as to form a trapezoid cross-section structure; the first inclined plane piece 4 is attached to the first inclined plane, the second inclined plane piece 5 is attached to the second inclined plane, the third inclined plane piece 6 is provided with a first guide groove matched with the first guide part, the third inclined plane piece 6 is attached to the third inclined plane, the first protruding part 101 is located in the first guide groove and is in sliding fit with the first guide groove, the fourth inclined plane piece 7 is provided with a second guide groove matched with the second protruding part 102, the fourth inclined plane piece 7 is attached to the fourth inclined plane, and the second protruding part 102 is located in the second guide groove and is in sliding fit with the second guide groove. The arrangement of this structure ensures the stability of each ramp block sliding on its ramp.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (4)
1. Novel screw thread lid mould moulds plastics, characterized in that includes: push pedal (1), mold core subassembly, fixed membrane (2) and movable mould (3), wherein: the push plate (1) is positioned above the positioning film (2), and the push plate (1) is provided with a through groove which is penetrated up and down;
The mold core assembly comprises a center column (10), a first inclined plane block (4), a second inclined plane block (5), a third inclined plane block (6) and a fourth inclined plane block (7); one end of the center column (10) passes through the through groove and is fixed on the fixed film (2); the first inclined surface block (4) and the second inclined surface block (5) are both positioned in the through groove, the first inclined surface block (4) and the second inclined surface block (5) are oppositely arranged at two sides of the central column (10) and are respectively matched with the inclined surfaces of the side walls of the central column (10), and the distance between the matched inclined surfaces and the central line of the central column (10) is gradually decreased from the bottom of the central column (10) to the top direction of the central column; the third inclined plane block (6) and the fourth inclined plane block (7) are oppositely arranged at two sides of the connecting line of the first inclined plane block (4) and the second inclined plane block (5) and are respectively matched with the inclined planes of the side walls of the central column (10), and the distance between the matched inclined planes and the central line of the central column (10) is gradually decreased from the bottom of the central column (10) to the top direction of the central column; the third inclined surface block (6) and the fourth inclined surface block (7) are respectively movably arranged on the push plate (1) and slide up and down along the matched inclined surfaces of the side wall of the central column (10) along with the up-and-down movement of the push plate (1); the top parts of the first inclined plane block (4), the second inclined plane block (5), the third inclined plane block (6) and the fourth inclined plane block (7) are respectively provided with a die section (a), and when the die sections (a) at the top parts of the first inclined plane block (4), the second inclined plane block (5), the third inclined plane block (6) and the fourth inclined plane block (7) are positioned in the same plane with the top surface of the central column (10), the die sections (a) at the top parts of the first inclined plane block (4), the second inclined plane block (5), the third inclined plane block (6) and the fourth inclined plane block (7) are mutually matched to form a die with a threaded groove on the outer wall;
A pushing mechanism (8) for pushing the first inclined surface block (4) and the second inclined surface block (5) to slide up and down along the matched inclined surfaces is arranged below the mold core assembly; the movable die (3) is positioned above the die core assembly, an upper die cavity is arranged on the movable die (3), and the upper die cavity covers the periphery of the die in a die closing state and is matched with the die to form a die cavity (d) between the inner wall of the upper die cavity and the outer wall of the die;
A groove recessed towards the direction of the fixed film (2) is arranged on the push plate (1), and a through hole is arranged at the bottom of the groove to form a through groove; the third inclined surface block (6) and the fourth inclined surface block (7) are positioned in the groove, and the bottoms of the third inclined surface block and the fourth inclined surface block are attached to the bottom surface of the groove;
two cavities (d) are arranged in the die;
By setting the structure of the mold core assembly, the pushing plate (1) can be lifted to drive the third inclined plane block (6) and the fourth inclined plane block during mold opening
The inclined surface block (7) moves upwards along the matched inclined surface so as to gradually approach the third inclined surface block (6) and the fourth inclined surface block (7) by utilizing the limit that the distance between the matched inclined surface and the central line of the central column is gradually decreased, and the die parts at the tops of the third inclined surface block (6) and the fourth inclined surface block (7) are driven to the central column (10)
The central portion is brought closer so that the threaded portion thereof is disengaged from the workpiece; then pushing the first inclined plane block (4) and the second inclined plane block (5) through a pushing mechanism
Up-shifting to enable the first inclined plane by utilizing the limit that the distance between the first inclined plane block (4) and the second inclined plane block (5) and the central line of the central column is gradually decreased
The block (4) and the second inclined surface block (5) are gradually close to drive the die parts at the tops of the first inclined surface block (4) and the second inclined surface block (5) to be close to the central part of the central column (10), so that the threaded parts of the die parts are released from the workpiece.
2. The novel injection molding threaded cap mold according to claim 1, wherein the ejector mechanism (8) comprises an ejector plate (81), a first ejector pin (82) and a second ejector pin (83), the ejector plate (81) is located below the fixed film (2), the first ejector pin (82) and the second ejector pin (83) are vertically fixed on the ejector plate (81) respectively, the top of the first ejector pin (82) passes through the fixed film (2) to be abutted against the bottom of the first inclined surface block (4), and the top of the second ejector pin (83) passes through the fixed film (2) to be abutted against the bottom of the second inclined surface block (5).
3. A novel injection screw cap mould according to claim 2, characterized in that a vertically extending ejector hole is provided in the central column (10), an ejector rod (9) is provided in the ejector hole, and the ejector rod (9) is fixedly mounted on the ejector plate (81).
4. A novel injection screw cap mould according to any one of claims 1-3, characterized in that the side wall of the central column (10) is provided with a first inclined plane, a second inclined plane, a third inclined plane and a fourth inclined plane, wherein the first inclined plane is opposite to the second inclined plane, the third inclined plane is opposite to the fourth inclined plane, the bottom of the central column (10) is towards the top of the central column, the distances between the first inclined plane, the second inclined plane, the third inclined plane and the central line of the central column (10) are sequentially decreased, the third inclined plane is provided with a first protruding part (101) arranged along the inclined direction of the first protruding part, and the fourth inclined plane is provided with a second protruding part (102) arranged along the inclined direction of the second protruding part; the side surface of the first bulge (101) far away from the third inclined surface is parallel to the third inclined surface, the side surface of the second bulge (102) far away from the fourth inclined surface is parallel to the fourth inclined surface, and the widths of the first bulge (101) and the second bulge (102) are sequentially increased from one side close to the central column (10) to one side far away from the central column (10) so as to form a trapezoid cross-section structure; the first inclined plane piece (4) is laminated with first inclined plane, second inclined plane piece (5) is laminated with the second inclined plane, be equipped with on the third inclined plane piece (6) with the first guide way of first guide part adaptation, third inclined plane piece (6) is laminated with the third inclined plane, first bellying (101) are located first guide way and with first guide way sliding fit, be equipped with on fourth inclined plane piece (7) with the second guide way of second bellying (102) adaptation, fourth inclined plane piece (7) is laminated with the fourth inclined plane, second bellying (102) are located the second guide way and with second guide way sliding fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163800.8A CN109878025B (en) | 2019-03-05 | 2019-03-05 | Novel injection molding threaded cover die |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910163800.8A CN109878025B (en) | 2019-03-05 | 2019-03-05 | Novel injection molding threaded cover die |
Publications (2)
| Publication Number | Publication Date |
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| CN109878025A CN109878025A (en) | 2019-06-14 |
| CN109878025B true CN109878025B (en) | 2024-05-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910163800.8A Active CN109878025B (en) | 2019-03-05 | 2019-03-05 | Novel injection molding threaded cover die |
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| CN (1) | CN109878025B (en) |
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| CN108724646A (en) * | 2018-06-08 | 2018-11-02 | 胡芳 | The whole circle inner periphery demoulding mechanism of one kind and release method |
| CN108819105A (en) * | 2018-06-09 | 2018-11-16 | 胡威 | A kind of internal screw thread typing mechanism demoulding mechanism and release method |
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| CN209903786U (en) * | 2019-03-05 | 2020-01-07 | 安徽宁国中鼎模具制造有限公司 | Novel injection molding threaded cap mold |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7121823B2 (en) * | 2004-08-24 | 2006-10-17 | Cheng Uei Precision Industry Co., Ltd. | Mold assembly for forming a plastic article having a complicated shape |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0634921U (en) * | 1991-12-19 | 1994-05-10 | 株式会社コパル | Injection mold with open core |
| JP3177307U (en) * | 2012-05-17 | 2012-07-26 | 新台塑膠工業股▲ふん▼有限公司 | Plastic pallet molding mold slide block module |
| JP2016203461A (en) * | 2015-04-21 | 2016-12-08 | マツダ株式会社 | Injection mold |
| CN207059119U (en) * | 2017-07-06 | 2018-03-02 | 余姚市宇洲电器有限公司 | A kind of threaded demoulding mechanism of mould |
| CN108162316A (en) * | 2017-12-20 | 2018-06-15 | 安徽宁国中鼎模具制造有限公司 | A kind of injection protection cap external screw thread core-pulling die and mold core Screw thread process method |
| CN108638444A (en) * | 2018-05-23 | 2018-10-12 | 台州市皓仔邦工业设计有限公司 | A kind of incense burner injection mold |
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| CN108724646A (en) * | 2018-06-08 | 2018-11-02 | 胡芳 | The whole circle inner periphery demoulding mechanism of one kind and release method |
| CN108819105A (en) * | 2018-06-09 | 2018-11-16 | 胡威 | A kind of internal screw thread typing mechanism demoulding mechanism and release method |
| CN209903786U (en) * | 2019-03-05 | 2020-01-07 | 安徽宁国中鼎模具制造有限公司 | Novel injection molding threaded cap mold |
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| Publication number | Publication date |
|---|---|
| CN109878025A (en) | 2019-06-14 |
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