CN209903786U - Novel injection molding threaded cap mold - Google Patents

Novel injection molding threaded cap mold Download PDF

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Publication number
CN209903786U
CN209903786U CN201920280931.XU CN201920280931U CN209903786U CN 209903786 U CN209903786 U CN 209903786U CN 201920280931 U CN201920280931 U CN 201920280931U CN 209903786 U CN209903786 U CN 209903786U
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CN
China
Prior art keywords
inclined plane
plane block
central column
block
mould
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Application number
CN201920280931.XU
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Chinese (zh)
Inventor
李茂华
陈增宝
韩双能
陈连科
黄海宁
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Anhui Ningguo Zhongding Mould Manufacture Co Ltd
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Anhui Ningguo Zhongding Mould Manufacture Co Ltd
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Priority to CN201920280931.XU priority Critical patent/CN209903786U/en
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Abstract

The utility model discloses a novel screw thread lid mould of moulding plastics, include: push pedal, mold core assembly, cover half and movable mould, wherein: the push plate is positioned above the fixed die and is provided with a through groove; the mold core component comprises a central column, a first inclined plane block, a second inclined plane block, a third inclined plane block and a fourth inclined plane block; the central column passes through the through groove and is fixed on the fixed die; the first inclined plane block and the second inclined plane block are oppositely arranged on two sides of the central column and are respectively matched with the side wall inclined plane of the central column; the third inclined plane block and the fourth inclined plane block are oppositely arranged at two sides of a connecting line of the first inclined plane block and the second inclined plane block and are respectively matched with the side wall inclined plane of the central column; a material pushing mechanism is arranged below the mold core component; the movable mould is positioned above the mould core component, and an upper mould cavity is arranged on the movable mould. The utility model discloses processing is convenient, stable in structure, and the suitability is strong, safe and reliable in the production process of moulding plastics, easy operation, the location is stable.

Description

Novel injection molding threaded cap mold
Technical Field
The utility model relates to the technical field of mold, especially, relate to a novel screw thread lid mould moulds plastics.
Background
Traditional screw thread lid mould of moulding plastics adopts the design of rotatory demoulding structure for satisfying the requirement of production technology basically, and this kind of design has the inconvenient, the relatively poor scheduling problem of stability of mould processing, needs urgent need to improve.
SUMMERY OF THE UTILITY MODEL
Based on the technical problem that exists among the above-mentioned background art, the utility model provides a novel screw thread lid mould of moulding plastics.
The utility model provides a novel screw thread lid mould of moulding plastics, include: push pedal, mold core assembly, cover half and movable mould, wherein:
the push plate is positioned above the fixed die and is provided with a through groove which is communicated up and down;
the mold core component comprises a central 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 central column penetrates through the through groove and is fixed on the fixed die; the first inclined plane block and the second inclined plane block are positioned in the through groove, the first inclined plane block and the second inclined plane block are oppositely arranged on two sides of the central column and are respectively matched with the side wall inclined plane of the central column, and the distance between the matched inclined plane and the central line of the central column is gradually reduced from the bottom of the central column to the top of the central column; the third inclined plane block and the fourth inclined plane block are oppositely arranged at two sides of a connecting line of the first inclined plane block and the second inclined plane block and are respectively matched with the side wall inclined plane of the central column, and the distance between the matched inclined plane and the central line of the central column is gradually reduced from the bottom of the central column to the top of the central column; the third inclined plane block and the fourth inclined plane block are respectively movably arranged on the push plate and slide up and down along the matching inclined plane 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 mould part, and when the mould parts 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 central column, the mould parts 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 matched with each other to form a mould with a thread groove on the outer wall;
a material pushing mechanism used for pushing the first inclined plane block and the second inclined plane block to slide up and down along the matched inclined planes is arranged below the mold core component;
the movable mould is positioned above the mould core component, an upper mould cavity is arranged on the movable mould, and the upper mould cavity covers the periphery of the section mould and is matched with the section mould to form a mould cavity between the inner wall of the upper mould cavity and the outer wall of the section mould in a mould closing state.
Preferably, pushing equipment includes ejector plate, first drawing of patterns ejector pin and second drawing of patterns ejector pin, the ejector plate is located the below of cover half, and first drawing of patterns ejector pin and second drawing of patterns ejector pin are vertical respectively to be fixed on the ejector plate, and the bottom that the top of first drawing of patterns ejector pin passed cover half and first ramp piece supports and lean on, and the bottom that the top of second drawing of patterns ejector pin passed cover half and second ramp piece supports and leans on.
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 mounted on the ejection plate.
Preferably, the side wall of the center post has a first inclined surface, a second inclined surface, a third inclined surface and a fourth inclined surface, the first inclined surface and the second inclined surface are arranged oppositely, the third inclined surface and the fourth inclined surface are arranged oppositely, and the distance between the first inclined surface, the second inclined surface, the third inclined surface and the center line of the center post decreases progressively from the bottom of the center post to the top of the center post, the third inclined surface is provided with a first bulge part arranged along the inclined direction of the third inclined surface, and the fourth inclined surface is provided with a second bulge part arranged along the inclined direction of the fourth inclined surface; the side surface of the first lug boss, which is far away from the third inclined surface, is parallel to the third inclined surface, the side surface of the second lug boss, which is far away from the fourth inclined surface, is parallel to the fourth inclined surface, and the widths of the first lug boss and the second lug boss are sequentially increased from one side close to the central column to one side far away from the central column to form a structural body with a trapezoidal section; the first inclined plane block is attached to the first inclined plane, the second inclined plane block is attached to the second inclined plane, a first guide groove matched with the first guide portion is formed in the third inclined plane block, the third inclined plane block is attached to the third inclined plane, the first protruding portion is located in the first guide groove and in sliding fit with the first guide groove, a second guide groove matched with the second protruding portion is formed in the fourth inclined plane block, the fourth inclined plane block is attached to the fourth inclined plane, and the second protruding portion is located in the second guide groove and in sliding fit with the second guide groove.
Preferably, the push plate is provided with a groove sunken towards the direction of the fixed die, and the bottom of the groove is provided with a through hole to form a through groove; the third inclined plane block and the fourth inclined plane block are positioned in the groove, and the bottom of the third inclined plane block and the bottom of the fourth inclined plane block are attached to the bottom surface of the groove.
In the utility model, the structure of the die assembly is arranged, so that when the die is opened, the third inclined plane block and the fourth inclined plane block can be driven to move upwards along the matching inclined plane by lifting the push plate, the third inclined plane block and the fourth inclined plane block are gradually close to each other by utilizing the restriction that the distance between the matching inclined plane and the central column central line is gradually reduced, the section die parts at the tops of the third inclined plane block and the fourth inclined plane block are driven to be close to the central column central part, and the thread part of the section die and the workpiece are released; and then the first inclined plane block and the second inclined plane block are pushed to move upwards by the pushing mechanism, so that the first inclined plane block and the second inclined plane block are gradually close to each other by utilizing the sequentially degressive limitation of the distance between the first inclined plane block and the central line of the central column and the distance between the central line of the central column and the central line of the central column, the section mould parts at the tops of the first inclined plane block and the central line of the central column are driven to be close to the central part of the central column, the thread parts of the section mould parts are released from the workpiece, the section mould parts are completely released from. The structural mold is convenient to process, stable in structure, strong in applicability, safe and reliable in the injection molding production process, simple to operate and stable in positioning.
Drawings
Fig. 1 is a schematic structural view of a novel injection molding threaded cap mold according to the present invention;
fig. 2 is a three-dimensional effect diagram of a novel injection molding threaded cap mold according to the present invention;
fig. 3 is a top view of the novel injection molding threaded cap mold according to the present invention in a state that the movable mold is 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 solution of the present invention will be described in detail by the following embodiments.
As shown in fig. 1-6, fig. 1 is a schematic structural view of a novel injection molding threaded cap mold provided by the present invention; fig. 2 is a three-dimensional effect diagram of a novel injection molding threaded cap mold according to the present invention; fig. 3 is a top view of the novel injection molding threaded cap mold according to the present invention in a state that the movable mold is 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 utility model provides a novel screw thread lid mould of moulding plastics, include: push pedal 1, mold core assembly, cover half 2 and movable mould 3, wherein: the push plate 1 is located 2 tops of cover half, is equipped with the recess sunken to 2 directions of cover half on the push plate 1, and the bottom of recess is equipped with the through-hole that link up in order to form logical groove.
The mold core component comprises a central 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 central column 10 passes through the through groove and is fixed on the fixed die 2; the first inclined plane block 4 and the second inclined plane block 5 are both positioned in the through groove, the first inclined plane block 4 and the second inclined plane block 5 are oppositely arranged at two sides of the central column 10 and are respectively matched with the side wall inclined plane of the central column 10, and the distance between the matched inclined plane and the central line of the central column 10 is sequentially reduced from the bottom of the central column 10 to the top 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 a connecting line of the first inclined plane block 4 and the second inclined plane block 5 and are respectively matched with the side wall inclined plane of the central column 10, and the distance between the matched inclined plane and the central line of the central column 10 is sequentially reduced from the bottom of the central column 10 to the top of the central column; the third inclined plane block 6 and the fourth inclined plane block 7 are respectively movably mounted on the push plate 1 and slide up and down along the matched inclined plane on the side wall of the central column 10 along with the up-and-down movement of the push plate 1, so that when the push plate 1 is lifted up, the tops of the third inclined plane block 6 and the fourth inclined plane block 7 are close to each other. The top 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 mould part a, and when the mould parts a at the top 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 and the top surface of the central column 10 are positioned in the same plane, the mould parts a at the top 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 mould with threaded grooves on the outer wall. A material pushing mechanism 8 is arranged below the mold core assembly, the material pushing mechanism 8 comprises an ejector plate 81, a first demolding ejector rod 82 and a second demolding ejector rod 83, the ejector plate 81 is located below the fixed mold 2, the first demolding ejector rod 82 and the second demolding ejector rod 83 are vertically fixed on the ejector plate 81 respectively, the top of the first demolding ejector rod 82 penetrates through the fixed mold 2 to abut against the bottom of the first inclined surface block 4, the top of the second demolding ejector rod 83 penetrates through the fixed mold 2 to abut against the bottom of the second inclined surface block 5, so that when the ejector plate 81 is lifted upwards, the first inclined surface block 4 and the second inclined surface block 5 can be pushed to move upwards along the matched inclined surfaces of the fixed mold 2, and the tops of the fixed mold and the second inclined surface block can be close to each other in the upward moving process. 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 section die and is matched with the section die to form a die cavity d between the inner wall of the upper die cavity and the outer wall of the section die in a die closing state.
Therefore, the utility model discloses a structure of die assembly sets up to when making the die sinking, can be through lifting up push pedal 1 in order to drive third inclined plane piece 6 and fourth inclined plane piece 7 along its cooperation inclined plane and move up, in order to utilize the restriction that the interval between this cooperation inclined plane and the central pole 10 central line progressively diminishes in proper order to make third inclined plane piece 6 and fourth inclined plane piece 7 progressively be close to, in order to drive the type mould portion a at third inclined plane piece 6 and fourth inclined plane piece 7 top to be close to central pole 10 central part, make its screw thread portion and work piece dropout; and 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 sequentially degressive limitation of the distance between the central lines of the first inclined plane block 4, the second inclined plane block 5 and the central column 10, the mould part a at the top of the first inclined plane block 4 and the second inclined plane block 5 is driven to be close to the central part of the central column 10, the thread part of the mould part a is released from the workpiece, the mould parts a are completely released from the workpiece, and the demoulding operation can be completed by taking down the workpiece. The structural mold is convenient to process, stable in structure, strong 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 ejector beam 9 in the liftout hole, ejector beam 9 fixed mounting is on ejector plate 81, and after ejector 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 and move up and make type mould portion a and work piece dropout, this work piece can be ejecting under ejector beam 9's effect to accomplish drawing of patterns work.
In this embodiment, the side wall of the center post 10 has a first inclined surface, a second inclined surface, a third inclined surface and a fourth inclined surface, the first inclined surface and the second inclined surface are arranged oppositely, the third inclined surface and the fourth inclined surface are arranged oppositely, and the top direction of the center post 10 is from the bottom of the center post, the distances between the first inclined surface, the second inclined surface, the third inclined surface and the center line of the center post 10 are sequentially decreased progressively, the third inclined surface is provided with a first convex part 101 arranged along the inclined direction of the third inclined surface, and the fourth inclined surface is provided with a second convex part 102 arranged along the inclined direction of the fourth inclined surface; the side surface of the first bulge part 101, which is far away from the third inclined surface, is parallel to the third inclined surface, the side surface of the second bulge part 102, which is far away from the fourth inclined surface, is parallel to the fourth inclined surface, and the widths of the first bulge part 101 and the second bulge part 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 structural body with a trapezoidal section; first inclined plane piece 4 and the laminating of first inclined plane, second inclined plane piece 5 and the laminating of 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 and the laminating of third inclined plane, first bellying 101 is located first guide way and with first guide way sliding fit, be equipped with on the fourth inclined plane piece 7 with the second guide way of second bellying 102 adaptation, fourth inclined plane piece 7 and the laminating of fourth inclined plane, second bellying 102 is located the second guide way and with second guide way sliding fit. The arrangement of the structure can ensure the stability of each inclined plane block in sliding on the inclined plane.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. A novel injection molding threaded cap mold, comprising: push pedal (1), mold core assembly, cover half (2) and movable mould (3), wherein:
the push plate (1) is positioned above the fixed die (2), and a through groove which is communicated up and down is arranged on the push plate (1);
the mold core component comprises a central 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 central column (10) passes through the through groove and is fixed on the fixed die (2); the first inclined plane block (4) and the second inclined plane block (5) are positioned in the through groove, the first inclined plane block (4) and the second inclined plane block (5) are oppositely arranged on two sides of the central column (10) and are respectively matched with the side wall inclined plane of the central column (10), and the distance between the matched inclined plane and the central line of the central column (10) is sequentially reduced from the bottom of the central column (10) to the top of the central column; the third inclined plane block (6) and the fourth inclined plane block (7) are oppositely arranged, two sides of a connecting line of the first inclined plane block (4) and the second inclined plane block (5) are respectively matched with the side wall inclined plane of the central column (10), and the distance between the matched inclined plane and the central line of the central column (10) is sequentially reduced from the bottom of the central column (10) to the top 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 on 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 mould part (a), and when the mould parts (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) and the top surface of the central column (10) are positioned in the same plane, the mould parts (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 mould with a thread groove on the outer wall;
a material pushing mechanism (8) used for pushing the first inclined plane block (4) and the second inclined plane block (5) to slide up and down along the matched inclined planes is arranged below the mold core component;
the movable mould (3) is positioned above the mould core assembly, an upper mould cavity is arranged on the movable mould (3), and the upper mould cavity covers the periphery of the section mould and is matched with the section mould to form a mould cavity (d) between the inner wall of the upper mould cavity and the outer wall of the section mould in a mould closing state.
2. A novel injection molding threaded cap mold according to claim 1, characterized in that the pushing mechanism (8) comprises an ejector plate (81), a first demolding ejector rod (82) and a second demolding ejector rod (83), the ejector plate (81) is located below the fixed mold (2), the first demolding ejector rod (82) and the second demolding ejector rod (83) are respectively vertically fixed on the ejector plate (81), the top of the first demolding ejector rod (82) passes through the fixed mold (2) to abut against the bottom of the first bevel block (4), and the top of the second demolding ejector rod (83) passes through the fixed mold (2) to abut against the bottom of the second bevel block (5).
3. A novel injection molded threaded cap mold according to claim 2, wherein a vertically extending ejector hole is provided in the center post (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 molding threaded cap mold according to any one of claims 1-3, wherein the side wall of the central column (10) has a first inclined surface, a second inclined surface, a third inclined surface and a fourth inclined surface, the first inclined surface and the second inclined surface are arranged oppositely, the third inclined surface and the fourth inclined surface are arranged oppositely, and from the bottom of the central column (10) to the top direction thereof, the first inclined surface, the second inclined surface, the third inclined surface and the fourth inclined surface have gradually decreasing distances from the center line of the central column (10), the third inclined surface is provided with a first convex part (101) arranged along the inclined direction thereof, and the fourth inclined surface is provided with a second convex part (102) arranged along the inclined direction thereof; the side face, far away from the third inclined plane, of one side of the first protruding portion (101) is parallel to the third inclined plane, the side face, far away from the fourth inclined plane, of the second protruding portion (102) is parallel to the fourth inclined plane, and the widths of the first protruding portion (101) and the second protruding portion (102) are sequentially increased from one side close to the central column (10) to one side far away from the central column (10) to form a structural body with a trapezoidal section; first slope piece (4) and the laminating of first inclined plane, second slope piece (5) and the laminating of second inclined plane, be equipped with on third slope piece (6) with the first guide way of first guide part adaptation, third slope piece (6) and the laminating of third inclined plane, first bellying (101) are located first guide way and with first guide way sliding fit, be equipped with on fourth slope piece (7) with the second guide way of second bellying (102) adaptation, fourth slope piece (7) and the laminating of fourth inclined plane, second bellying (102) are located the second guide way and with second guide way sliding fit.
5. A novel injection molding threaded cap mold according to claim 4, characterized in that the push plate (1) is provided with a groove recessed towards the fixed mold (2), the bottom of the groove is provided with a through hole to form a through groove; the third inclined plane block (6) and the fourth inclined plane block (7) are positioned in the groove, and the bottom of the third inclined plane block is attached to the bottom surface of the groove.
CN201920280931.XU 2019-03-05 2019-03-05 Novel injection molding threaded cap mold Active CN209903786U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920280931.XU CN209903786U (en) 2019-03-05 2019-03-05 Novel injection molding threaded cap mold

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920280931.XU CN209903786U (en) 2019-03-05 2019-03-05 Novel injection molding threaded cap mold

Publications (1)

Publication Number Publication Date
CN209903786U true CN209903786U (en) 2020-01-07

Family

ID=69032111

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920280931.XU Active CN209903786U (en) 2019-03-05 2019-03-05 Novel injection molding threaded cap mold

Country Status (1)

Country Link
CN (1) CN209903786U (en)

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