CN211968281U - Injection mold hot runner improvement system of automobile exterior trimming part - Google Patents
Injection mold hot runner improvement system of automobile exterior trimming part Download PDFInfo
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- CN211968281U CN211968281U CN201922272164.0U CN201922272164U CN211968281U CN 211968281 U CN211968281 U CN 211968281U CN 201922272164 U CN201922272164 U CN 201922272164U CN 211968281 U CN211968281 U CN 211968281U
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Abstract
The utility model belongs to the technical field of injection mold, a injection mold hot runner improvement system of automobile exterior trimming part is provided, including the hot runner plate, hot runner plate lower extreme has two injection moulds, be first injection mould and second injection mould respectively, first die plate has on the first injection mould, first cavity mould benevolence, first public template and first public mould benevolence, second cavity mould benevolence has on the second injection mould, second public template and second public mould benevolence, be provided with first hot runner system on the first injection mould that the hot runner plate corresponds, be provided with the servo drive valve runner system of second on the second injection mould that the hot runner plate corresponds. Compared with the prior art, the utility model has the advantages of can carry out accurate, simple and convenient and nimble control management to pressure and flow, reach good outward appearance requirement, ensure the intensity of template, avoid the deformation of template, improve the life of mould.
Description
Technical Field
The utility model belongs to the technical field of injection mold, concretely relates to injection mold hot runner of automobile exterior trimming part improves system.
Background
The product shown in fig. 1 is a high-gloss double-color plastic part, the front surface of the product is the product appearance, the back surface of the product is the product carrier of the appearance, because the material of the appearance is PMMA, the appearance defects such as silver lines and the like are easily generated in the injection molding process, and the internal stress is easily accumulated at the gate, so that the high and low temperature tests cannot pass, the mold is a high-gloss double-color injection mold, the requirement on the product appearance is very high, the requirement on the mold injection by using the traditional hot runner technology is difficult to achieve, the defects such as silver lines and the like are easily generated on the appearance surface, the stress at the gate is very concentrated, the high and low temperature tests are difficult to pass, the qualification rate is very low, although the opening sequence of a mold pouring system can be adjusted by closing any valve needle at any time, the pressure and the flow, the stroke and the speed of each hot nozzle cannot be accurately adjusted, and the defects such as, and if the automobile highlight exterior trimming part is produced by adopting a traditional injection molding mode, the probability of poor appearance of the product is higher, the high-low temperature test passing rate is lower, and the product percent of pass is low.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that the current situation to prior art is, and provide an injection mold hot runner improvement system of outer gadget of car, adopt the mode of the accurate control needle of servo motor, the stress of reduction product in the forming process that can be very big to solve defects such as product outward appearance silver line and the difficult problem of passing through of high low temperature test.
The utility model provides a technical scheme that above-mentioned technical problem adopted does: an improved hot runner system of an injection mold of an automobile exterior trimming part is characterized by comprising a hot runner plate, the lower end of the hot runner plate is provided with two injection molds which are a first injection mold and a second injection mold respectively, the first injection mould is provided with a first female mould plate, a first female mould core, a first male mould plate and a first male mould core, the second injection mould is provided with a second female mould plate, a second female mould core, a second male mould plate and a second male mould core, the first injection mould corresponding to the hot runner plate is provided with a first hot runner system, a second servo drive valve sprue hot runner system is arranged on a second injection mould corresponding to the hot runner plate, after the first hot runner system finishes the product carrier through injection molding, the product carrier is integrally rotated by 180 degrees to a second injection mold, and the appearance of the product is subjected to secondary injection molding through a second servo drive valve sprue hot runner system.
In the above improved system for the hot runner of the injection mold for the exterior trimming part of the automobile, the second servo driving valve gate hot runner system comprises an electric cylinder operating system, an operating panel and a valve needle, wherein the operating panel is electrically connected with the electric cylinder operating system, and the valve needle is connected with the electric cylinder operating system and drives the valve needle to inject.
Compared with the prior art, the utility model has the advantages of:
1. in the injection process, the pressure and the flow can be accurately, simply and flexibly controlled and managed, and the good appearance requirement is met;
2. in the process of opening and closing the valve needles, each valve needle is independently adjusted, the stroke, the speed and the acceleration of the valve needle are accurately controlled, and the stress is eliminated;
3. the working environment is clean and tidy, no oil joint exists, the die change is faster, and the maintenance is simpler and more convenient;
4. the extension shaft can be adopted, the cylinder is connected to the edge or the outer side of the template, the opening of the mold is reduced, the strength of the template is ensured, the deformation of the template is avoided, and the service life of the mold is prolonged.
Drawings
FIG. 1 is a schematic diagram of a prior art injection molding system;
FIG. 2 is a schematic structural diagram of a main body of the hot runner modification system of the injection mold of the automobile exterior trimming part;
fig. 3 is a schematic structural view of a hot runner in the hot runner improvement system of the injection mold for automobile exterior parts.
Detailed Description
The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.
In the figure, a hot runner plate 1; a first master template 2; a first cavity insert 3; a first core plate 4; a first core insert 5; a second master template 6; a second cavity insert 7; a second core plate 8; a second core insert 9; a first hot runner system 10; a second servo-actuated valve gate hot runner system 11; an electric cylinder operation system 12; an operation panel 13; a valve needle 14; product appearance 15; a product carrier 16.
As shown in fig. 1 and fig. 2, the injection mold hot runner improved system for exterior trimming parts of an automobile comprises a hot runner plate 1, two injection molds are arranged at the lower end of the hot runner plate 1, the two injection molds are respectively a first injection mold and a second injection mold, the first injection mold is provided with a first female mold plate 2, a first female mold core 3, a first male mold plate 4 and a first male mold core 5, the second injection mold is provided with a second female mold plate 6, a second female mold core 7, a second male mold plate 8 and a second male mold core 9, the first injection mold corresponding to the hot runner plate 1 is provided with a first hot runner system 10, the second injection mold corresponding to the hot runner plate 1 is provided with a second servo-driven valve runner hot runner system 11, wherein the second servo-driven valve runner hot runner system 11 adopts a flexflow hot runner system, after a product carrier 16 is injected by the first hot runner system 10, the second hot runner system 11 performs secondary injection molding on the appearance of a product 15, the second servo-driven valve gate hot runner system 11 includes an electric cylinder operating system 12, an operating panel 13 and a valve needle 14, the operating panel 13 is electrically connected to the electric cylinder operating system 12, the valve needle 14 is connected to the electric cylinder operating system 12 and drives the valve needle 14 to inject, and the main principle here is as follows: firstly, after a product carrier 16 is injection-molded by a first hot runner system 10, a female die rotates 180 degrees integrally, the appearance 15 of a second flexflow hot runner system injection-molded product is carried out, an electric cylinder control system is adjusted by operating an operation panel 13 of a flexflow hot runner, a product with good appearance and small internal stress at a pouring gate is obtained, the precision of a servo needle valve system on pressure and flow velocity is less than 0.01MM when injection molding is carried out, the maximum injection pressure is reduced to 50bar, and plastic raw materials are saved to 4%; the deformation of the hot runner plate 1 is less than 0.03 MM.
The embodiments described herein are merely exemplary and various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope and spirit of the invention as defined by the claims.
Claims (2)
1. An improved hot runner system of an injection mold of an automobile exterior trimming part is characterized by comprising a hot runner plate, the lower end of the hot runner plate is provided with two injection molds which are a first injection mold and a second injection mold respectively, the first injection mould is provided with a first female mould plate, a first female mould core, a first male mould plate and a first male mould core, the second injection mould is provided with a second female mould plate, a second female mould core, a second male mould plate and a second male mould core, the first injection mould corresponding to the hot runner plate is provided with a first hot runner system, a second servo drive valve sprue hot runner system is arranged on a second injection mould corresponding to the hot runner plate, after the first hot runner system finishes the product carrier through injection molding, the product carrier is integrally rotated by 180 degrees to a second injection mold, and the appearance of the product is subjected to secondary injection molding through a second servo drive valve sprue hot runner system.
2. The improved hot runner system for injection molds of automotive exterior parts according to claim 1, wherein the second servo-actuated valve gating hot runner system comprises an electric cylinder operating system, an operating panel and a valve needle, wherein the operating panel is electrically connected with the electric cylinder operating system, and the valve needle is connected with the electric cylinder operating system and drives the valve needle to perform injection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272164.0U CN211968281U (en) | 2019-12-16 | 2019-12-16 | Injection mold hot runner improvement system of automobile exterior trimming part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922272164.0U CN211968281U (en) | 2019-12-16 | 2019-12-16 | Injection mold hot runner improvement system of automobile exterior trimming part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211968281U true CN211968281U (en) | 2020-11-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922272164.0U Active CN211968281U (en) | 2019-12-16 | 2019-12-16 | Injection mold hot runner improvement system of automobile exterior trimming part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211968281U (en) |
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2019
- 2019-12-16 CN CN201922272164.0U patent/CN211968281U/en active Active
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