CN213947249U - Novel injection molding and ejection combined structure - Google Patents
Novel injection molding and ejection combined structure Download PDFInfo
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- CN213947249U CN213947249U CN202022876661.4U CN202022876661U CN213947249U CN 213947249 U CN213947249 U CN 213947249U CN 202022876661 U CN202022876661 U CN 202022876661U CN 213947249 U CN213947249 U CN 213947249U
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Abstract
The utility model discloses a novel shooting composite construction moulds plastics, its characterized in that includes and moulds plastics and penetrates mouth, machine mouth and the circle that generates heat, mould plastics and penetrate mouth upper end and injection molding machine can dismantle fixed connection, and inside the lower extreme stretched into injection mold, lower terminal surface located hot mouth and advanced jiao kou top, advanced jiao kou 9 ~ 10mm apart from hot mouth, fixed connection can be dismantled on last mould benevolence to the machine mouth, the snare that generates heat is located and is moulded plastics and penetrate on the middle outer disc of mouth for heat glue in the mouth heats to moulding plastics, mould plastics and penetrate in the end cover locates the machine mouth, and it is coaxial with the machine mouth hole to mould plastics and penetrate the mouth hole. The utility model changes the structural design of the injection nozzle and the machine nozzle, so that the injection nozzle extends into the mold, thereby greatly reducing the waste material of the plastic water gap and saving the production cost; the plastic heat is isolated in the machine nozzle, so that the cooling time of a product is shortened, and the injection molding production efficiency is greatly improved.
Description
Technical Field
The utility model relates to a production technical field that moulds plastics especially relates to a novel injection moulding and jets out integrated configuration.
Background
Plastic injection molding is a method of producing plastic products by injecting molten plastic into a plastic product mold under pressure, and cooling and molding the plastic product to obtain various plastic parts. Injection molding is accomplished by an injection molding machine and a mold, and an injection nozzle is an important part for melting and injecting plastic into the mold.
At present, the lower end face of an injection nozzle 1 ' is usually arranged on the upper side of an upper mold core 4 of an injection mold (see attached figure 1), the distance H from a hot nozzle glue inlet 5 is 32-35 mm, the round head part at the lower end of the injection nozzle 1 ' is sleeved in a circular arc-shaped groove at the upper end of a machine nozzle 2 ', a large amount of water gap waste materials can be formed between injection-molded and cooling-molded products, the cooling time of the products after injection molding is long, and the production efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a novel injection moulding jets out integrated configuration to can form a large amount of mouth of a river waste materials between solving above-mentioned current injection moulding cooling forming's product, and the product moulds plastics the very long cooling time after accomplishing, problem that production efficiency is low.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a novel shooting composite construction of moulding plastics, its characterized in that includes and moulds plastics and penetrates mouth, machine mouth and the circle that generates heat, mould plastics and penetrate mouth upper end and injection molding machine can dismantle fixed connection, and inside the lower extreme stretched into injection mold, lower terminal surface located hot mouth and advanced jiao kou top, advanced jiao kou 9 ~ 10mm apart from hot mouth, fixed connection can be dismantled on last mould benevolence to the machine mouth, the snare that generates heat is located and is moulded plastics and penetrate on the outer disc in the middle of the mouth for heat is glued to the hot in the mouth of moulding plastics and is heated, mould plastics and penetrate in the end cover locates the machine mouth, and it is coaxial with the machine mouth hole to mould plastics and penetrate the.
Furthermore, the nozzle of moulding plastics includes from the top down connect gradually and coaxial external screw thread portion, bayonet part, heating portion, circular cone portion and bulb portion, the external diameter of external screw thread portion, bayonet part, heating portion, circular cone portion and bulb portion reduces in proper order, external screw thread portion be used for with injection molding machine threaded connection, preceding, back both sides all are equipped with first tangent plane on the outer disc of bayonet part, the first tangent plane symmetry of preceding, back both sides sets up, the heating snare is located on the outer disc of heating portion, circular cone portion and bulb portion locate the nozzle lower end of moulding plastics.
Furthermore, the injection nozzle comprises a first inner cylindrical hole, a first inner conical hole, a second inner cylindrical hole, a second inner conical hole and a third inner cylindrical hole which are sequentially connected and coaxial from top to bottom, the inner diameters of the first inner cylindrical hole, the second inner cylindrical hole and the third inner cylindrical hole are sequentially reduced, the upper end of the second inner cylindrical hole is arranged in the external thread part, and the lower end of the second inner cylindrical hole is arranged at the lower end of the heating part.
Further, the machine nozzle comprises a flange portion, an outer cylindrical portion and an outer conical portion which are sequentially connected from top to bottom and are coaxial, wherein the front side and the rear side of the outer circular surface of the flange portion are respectively provided with a second cutting plane, the second cutting planes of the front side and the rear side are symmetrically arranged, the left side and the right side of the upper end surface of the flange portion are symmetrically provided with two mounting holes, and the two mounting holes are used for fixedly connecting the machine nozzle and an upper mold core.
Further, the machine nozzle comprises an inner cavity and a lower conical hole which are sequentially connected from top to bottom and are coaxial, the upper end of the inner cavity is arranged to be cylindrical, the lower end of the inner cavity is arranged to be spherical, the inner cavity is matched with the lower end of the injection nozzle, the lower end face of the ball head is attached to the inner side face of the lower end of the spherical, the upper end of the lower conical hole is communicated with the inner cavity, the inner diameter of the upper end of the lower conical hole is smaller than that of the lower end of the lower conical hole, and the inner diameter of the upper end of the lower conical hole is larger than that of a third inner cylindrical hole of the injection nozzle by 0.24-0.25 mm.
Furthermore, the taper of the lower conical hole is set to be 4-6 degrees, and the smoothness of the inner side face is set to be 7-8 grades.
Further, an upper conical hole is formed in the upper end of the inner cavity, the inner diameter of the upper end of the upper conical hole is larger than that of the lower end of the upper conical hole, and the taper is set to be 10-15 degrees.
Furthermore, the finish degree of the upper end face of the injection nozzle is set to be 7-8 grade.
Furthermore, a cold material well is arranged on the hot nozzle glue inlet.
Compared with the prior art, the beneficial effects of the utility model are that: 1) by changing the mounting structure design of the injection nozzle and the machine nozzle, the injection nozzle extends into the mold, the distance between the lower end surface of the injection nozzle and the hot nozzle glue inlet is greatly shortened, the plastic water gap waste can be greatly reduced, and the production cost is saved; 2) the lower end of the injection nozzle is sleeved in the machine nozzle, so that plastic heat can be isolated in the machine nozzle, the cooling time of a product is shortened, and the injection molding production efficiency is greatly improved.
Drawings
FIG. 1 is a schematic view of a conventional injection nozzle and nozzle;
FIG. 2 is a schematic view of an installation structure of the embodiment of the present invention;
FIG. 3 is a schematic structural diagram of an embodiment of the present invention;
FIG. 4 is a schematic sectional view of an injection nozzle according to an embodiment of the present invention;
FIG. 5 is a cross-sectional view taken along line A-A of FIG. 4;
FIG. 6 is a schematic cross-sectional view of a nozzle according to an embodiment of the present invention;
fig. 7 is a top view of a nozzle according to an embodiment of the present invention.
In the figure: 1. an injection nozzle 101, an external thread part 102, a bayonet part 103, a heating part 104, a conical part 105, a bulb part 106, a first inner cylindrical hole 107, a first inner conical hole 108, a second inner cylindrical hole 109, a second inner conical hole 110, a third inner cylindrical hole 111, a first tangent plane 2, a machine nozzle 201, a flange part 202, an outer cylindrical part 203, an outer conical part 204, an upper conical hole 205, an inner cavity 206, a lower conical hole 207, a mounting hole 208, a second tangent plane 3, a heating ring 4, a hot glue inlet 5, an upper mold core 6, a cold material well 7, a nozzle material 1 ', an injection nozzle 2' and a machine nozzle.
Detailed Description
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplification of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in figures 2 to 7, the embodiment of the utility model provides a be used for LED lamp pearl support to mould plastics, including moulding plastics and penetrating mouth 1, machine mouth 2 and the circle 3 that generates heat.
The injection nozzle 1 comprises an external thread part 101, a bayonet part 102, a heating part 103, a conical part 104 and a ball head part 105 which are sequentially connected from top to bottom and are coaxial, the upper end surface of the injection nozzle 1 is ground after heat treatment, and the degree of finish reaches 8 grade; the outer diameters of an external thread part 101, a bayonet part 102, a heating part 103, a conical part 104 and a ball head part 105 are sequentially reduced, an injection molding nozzle 1 is in threaded connection with an injection molding machine through the external thread part 101, the front side and the rear side of the outer circular surface of the bayonet part 102 are respectively provided with a first tangent plane 111, the first tangent planes 111 on the front side and the rear side are symmetrically arranged, the bayonet part 102 is convenient for installing the injection molding nozzle 1 by a spanner, a heating ring 3 is sleeved on the outer circular surface of the heating part 103 and used for heating hot glue in the injection molding nozzle 1, the conical part 104 and the ball head part 105 are arranged at the lower end of the injection molding nozzle 1, the ball head part 105 is arranged above a hot nozzle glue inlet 5, and the distance h between the ball head part 105 and the hot nozzle glue inlet 5 is set to be 10 mm;
the injection nozzle 1 comprises a first inner cylindrical hole 106, a first inner conical hole 107, a second inner cylindrical hole 108, a second inner conical hole 109 and a third inner cylindrical hole 110 which are sequentially connected from top to bottom and are coaxial, the inner diameters of the first inner cylindrical hole 106, the second inner cylindrical hole 108 and the third inner cylindrical hole 110 are sequentially reduced, the upper end of the second inner cylindrical hole 106 is arranged in the external thread part 101, the lower end of the second inner cylindrical hole is arranged at the lower end of the heating part 103, the third inner conical hole 110 is arranged in the conical part 104 and the ball head part 105, and the inner diameter is 3 mm.
The machine nozzle 2 comprises a flange part 201, an outer cylindrical part 202 and an outer conical part 203 which are sequentially connected from top to bottom and are coaxial, second tangent planes 208 are arranged on the front side and the rear side of the outer circular surface of the flange part 201, the second tangent planes 208 on the front side and the rear side are symmetrically arranged, two mounting holes 207 are symmetrically arranged on the left side and the right side of the upper end surface of the flange part, the machine nozzle 2 is fixedly connected with an upper die core 5 through the two mounting holes 207 by screws, and the taper of the outer conical part 203 is set to be 120 degrees;
the inner part of the nozzle comprises an upper conical hole 204, an inner cavity 205 and a lower conical hole 206 which are sequentially connected from top to bottom and are coaxial, the inner diameter of the upper end of the upper conical hole 204 is larger than that of the lower end of the upper conical hole, the taper beta is set to be 10-15 degrees, the upper end of the inner cavity 205 is set to be an inner cylindrical shape, the lower end of the inner cavity is set to be an inner spherical shape and is matched with a spherical head part 105 at the lower end of the injection nozzle 1, the upper end of the lower conical hole 206 is communicated with the inner cavity 205, the inner diameter of the upper end of the lower conical hole 206 is smaller than that of the lower end of the lower conical hole, the taper alpha of the lower conical hole 206 is set to be 5 degrees, the inner side surface of the lower conical hole is subjected to mirror polishing, and the degree of finish reaches 8.
The lower end of the injection nozzle 1 is sleeved in the machine nozzle 2, the lower end face of the ball head part 105 is attached to the inner side face of the lower end of the inner spherical surface, an inner hole of the injection nozzle 1 is coaxial with an inner hole of the machine nozzle 2, and the inner diameter of the upper end of the lower conical hole 206 is 0.24-0.25 mm larger than the inner diameter of the third inner cylindrical hole 110 of the injection nozzle.
A cold material well 6 is arranged on the hot nozzle glue inlet 5.
The embodiment of the utility model has the advantages that the injection nozzle 1 extends into the mold, the distance between the lower end surface and the glue inlet of the hot nozzle is shortened by 22-25 mm compared with the existing injection structure, the amount of the water inlet waste material is reduced by 2 g compared with the existing process during injection, the single machine can produce 14400 times a day, 10 tons of plastic particles can be saved in one year, and 70 ten thousand yuan of raw material cost is saved; the embodiment of the utility model provides an isolated with the plastic heat in the mouth 2, shortened the cooling time of product, production efficiency is by original 10 seconds per mould, falls to 6 seconds-7 seconds per mould, and production efficiency promotes about 30% -40%.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. The utility model provides a novel shooting composite construction of moulding plastics, its characterized in that includes and moulds plastics and penetrates mouth, machine mouth and the circle that generates heat, mould plastics and penetrate mouth upper end and injection molding machine can dismantle fixed connection, and inside the lower extreme stretched into injection mold, lower terminal surface located hot mouth and advanced jiao kou top, advanced jiao kou 9 ~ 10mm apart from hot mouth, fixed connection can be dismantled on last mould benevolence to the machine mouth, the snare that generates heat is located and is moulded plastics and penetrate on the outer disc in the middle of the mouth for heat is glued to the hot in the mouth of moulding plastics and is heated, mould plastics and penetrate in the end cover locates the machine mouth, and it is coaxial with the machine mouth hole to mould plastics and penetrate the mouth hole.
2. A novel injection molding and injection molding assembly as claimed in claim 1, wherein: the nozzle of moulding plastics includes from last down connect gradually and coaxial external screw thread portion, bayonet part, heating portion, circular cone portion and bulb portion, the external diameter of external screw thread portion, bayonet part, heating portion, circular cone portion and bulb portion reduces in proper order, external screw thread portion be used for with injection molding machine threaded connection, preceding, back both sides all are equipped with first tangent plane on the outer disc of bayonet part, the first tangent plane symmetry setting of preceding, back both sides, the snare that generates heat is located on the outer disc of heating portion, end under the nozzle is moulded plastics to circular cone portion and bulb portion locating.
3. A novel injection molding and injection molding assembly as claimed in claim 2, wherein: the injection nozzle comprises a first inner cylindrical hole, a first inner conical hole, a second inner cylindrical hole, a second inner conical hole and a third inner cylindrical hole which are sequentially connected and coaxial from top to bottom, the inner diameters of the first inner cylindrical hole, the second inner cylindrical hole and the third inner cylindrical hole are sequentially reduced, the upper end of the second inner cylindrical hole is arranged in the external thread part, and the lower end of the second inner cylindrical hole is arranged at the lower end of the heating part.
4. A novel injection molding and injection molding assembly as claimed in claim 3, wherein: the machine nozzle comprises a flange portion, an outer cylindrical portion and an outer conical portion which are sequentially connected and coaxial from top to bottom, wherein the front side and the rear side of the outer circular surface of the flange portion are respectively provided with a second cutting plane, the second cutting planes of the front side and the rear side are symmetrically arranged, the left side and the right side of the upper end surface of the flange portion are symmetrically provided with two mounting holes, and the two mounting holes are used for fixedly connecting the machine nozzle and an upper die core.
5. A novel injection molding and injection molding assembly as claimed in claim 4, wherein: the inner part of the machine nozzle comprises an inner cavity and a lower conical hole which are sequentially connected from top to bottom and are coaxial, the upper end of the inner cavity is of an inner cylindrical shape, the lower end of the inner cavity is of an inner spherical surface shape and is matched with a ball head part at the lower end of the injection nozzle, the lower end face of the ball head part is attached to the inner side face of the lower end of the inner spherical surface shape, the upper end of the lower conical hole is communicated with the inner cavity, the inner diameter of the upper end of the lower conical hole is smaller than that of the lower end, and the inner diameter of the upper end of the lower conical hole is larger than that of a third inner cylindrical hole of the injection nozzle by 0.24-0.25 mm.
6. A novel injection molding and injection molding assembly as claimed in claim 5, wherein: the taper of the lower conical hole is set to be 4-6 degrees, and the smoothness of the inner side face is set to be 7-8 grades.
7. A novel injection molding and injection molding assembly as claimed in claim 5, wherein: the inner cavity upper end is equipped with the taper hole, go up the taper hole upper end internal diameter and be greater than the lower extreme internal diameter, the tapering is set to 10 ~ 15.
8. A novel injection molding and injection molding assembly as claimed in any one of claims 1 to 7, wherein: the finish degree of the upper end face of the injection nozzle is set to be 7-8 grades.
9. A novel injection molding and injection molding assembly as claimed in claim 8, wherein: and a cold material well is arranged on the hot nozzle glue inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876661.4U CN213947249U (en) | 2020-12-04 | 2020-12-04 | Novel injection molding and ejection combined structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022876661.4U CN213947249U (en) | 2020-12-04 | 2020-12-04 | Novel injection molding and ejection combined structure |
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| CN213947249U true CN213947249U (en) | 2021-08-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261068A (en) * | 2021-12-28 | 2022-04-01 | 青岛巨星机械模具有限公司 | Integrated injection molding production line and injection molding method |
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- 2020-12-04 CN CN202022876661.4U patent/CN213947249U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114261068A (en) * | 2021-12-28 | 2022-04-01 | 青岛巨星机械模具有限公司 | Integrated injection molding production line and injection molding method |
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