CN218019842U - Processing die with multiple injection molding cavities - Google Patents
Processing die with multiple injection molding cavities Download PDFInfo
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- CN218019842U CN218019842U CN202221904613.4U CN202221904613U CN218019842U CN 218019842 U CN218019842 U CN 218019842U CN 202221904613 U CN202221904613 U CN 202221904613U CN 218019842 U CN218019842 U CN 218019842U
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- runner pipe
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Abstract
The utility model discloses a mold processing of chamber of moulding plastics more relates to injection mold technical field, front mould benevolence and back mould benevolence including mutual lock, the shaping cavity has been preset between front mould benevolence and the back mould benevolence, be equipped with the sprue pipe that runs through in front mould benevolence on the front mould benevolence, the shaping cavity includes the first cavity and the second cavity of moulding plastics of mutually independent, the lower tip of sprue pipe is located in the shaping cavity, be equipped with first branch runner pipe and second branch runner pipe in the shaping cavity, the one end and the sprue pipe intercommunication of first branch runner pipe, the other end and the first cavity intercommunication of moulding plastics of first branch runner pipe, the one end and the sprue pipe intercommunication of second branch runner pipe, the other end and the second cavity intercommunication of moulding plastics of second branch runner pipe, the utility model discloses the mold processing of chamber of moulding plastics more, make the injection effect of moulding plastics the raw materials more controllable, and very convenient realization is synchronous to end, avoided the product sunken, the product overflow, the injection-moulding processing problems such as size and overlap.
Description
Technical Field
The utility model relates to an injection mold technical field specifically is a mold processing of many injection molding cavities.
Background
With the increasing development of communication technology, more and more electronic devices are applied to a plurality of fields such as medical treatment, communication, automobiles and the like, the structural design of the electronic devices in various industries is required to be diversified and refined more and more, a plurality of electronic devices are required to be designed into specific complex shapes in order to meet specific functional requirements, the application of an injection mold well solves the requirement, and the electronic devices with various complex structures can be processed and produced through injection molding of the injection mold.
For an electronic device comprising a plurality of different parts, in order to facilitate the simultaneous processing and forming of the plurality of different parts, a forming cavity for forming an injection molding part on an injection mold is generally divided into a plurality of independent injection molding cavities, each injection molding cavity is used for processing different parts, but because the different parts have different structures and sizes and are unevenly distributed in shapes, the injection molding effect of each injection molding cavity cannot be well controlled in the injection molding process, so that the injection molding of one injection molding cavity is not completed, and the injection molding problems of product depression, product overflow, inaccurate size, flash and the like easily occur, so that the injection molding operation of the existing multi-injection molding cavity mold needs to be reasonably improved to improve the faced problems.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
In order to achieve the above object, the utility model provides a following technical scheme:
a processing mould with multiple injection molding cavities comprises a front mould core and a rear mould core which are mutually buckled, a molding cavity is preset between the front mould core and the rear mould core, a main runner pipe penetrating through the front mould core is arranged on the front mould core, and the molding cavity comprises a first injection molding cavity and a second injection molding cavity which are mutually independent;
the lower end part of the main flow channel pipe is arranged in the forming cavity, a first branch flow channel pipe and a second branch flow channel pipe are arranged in the forming cavity, one end of the first branch flow channel pipe is communicated with the main flow channel pipe, the other end of the first branch flow channel pipe is communicated with the first injection molding cavity, one end of the second branch flow channel pipe is communicated with the main flow channel pipe, and the other end of the second branch flow channel pipe is communicated with the second injection molding cavity;
the lengths of the first branch flow passage pipe and the second branch flow passage pipe are the same, and the ratio of the volume of the first injection molding chamber to the cross-sectional area of the first branch flow passage pipe is the same as the ratio of the volume of the second injection molding chamber to the cross-sectional area of the second branch flow passage pipe.
As a further aspect of the present invention: the cross-sectional area of the main flow channel pipe is larger than the cross-sectional areas of the first branch flow channel pipe and the second branch flow channel pipe, respectively.
As a further aspect of the present invention: the main runner pipe comprises a vertical runner pipe and a transverse runner pipe, the vertical runner pipe is vertically arranged on the front mold core, the transverse runner pipe is transversely arranged in the forming cavity, the transverse runner pipe is arranged along the axis of the forming cavity, and the first branch runner pipe and the second branch runner pipe are respectively communicated with the end part of the transverse runner pipe.
As a further aspect of the present invention: the first branch flow passage pipe and the second branch flow passage pipe are arranged in parallel.
As a further aspect of the present invention: the front mold core and the rear mold core are respectively provided with accommodating grooves for accommodating the transverse flow channel pipe, the first branch flow channel pipe and the second branch flow channel pipe, and the accommodating grooves are respectively communicated with the first injection molding cavity and the second injection molding cavity.
As a further aspect of the utility model: first branch runner pipe includes left runner pipe and right runner pipe that use transverse flow way pipe to set up as the mutual symmetry of center, and left runner pipe is the same with right runner pipe's cross-sectional area, and left runner pipe's one end and transverse flow way pipe intercommunication, left runner pipe's the other end and the first left side intercommunication of moulding plastics the cavity, right runner pipe's one end and transverse flow way pipe intercommunication, right runner pipe's the other end and the first right side intercommunication of moulding plastics the cavity.
Compared with the prior art, the beneficial effects of the utility model are as follows:
the utility model discloses the mold processing of cavity of moulding plastics more, through the ratio with first cavity and the first branch runner pipe of moulding plastics, the ratio setting of cavity and the second branch runner pipe of moulding plastics of second sets up to be the same, make first cavity and the second of moulding plastics mould plastics and realize filling up in step, make the more controllable of the injection effect of the raw materials of moulding plastics, it is complete to make the product of first cavity and the second of moulding plastics cavity of moulding plastics can both be fine mould plastics, and very convenient realization is synchronous to end, the product has been avoided sunken, the product is overflowed, the size is inaccurate and injection moulding problems such as overlap.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 isbase:Sub>A cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
fig. 4 is a perspective view of the internal structure of the present invention;
the reference numerals and names in the figures are as follows:
the injection molding die comprises a front die core-1, a rear die core-2, a molding cavity-3, a main runner pipe-4, a first injection molding cavity-31, a second injection molding cavity-32, a first branch runner pipe-51, a second branch runner pipe-52, a vertical runner pipe-41, a transverse runner pipe-42, an accommodating groove-6, a left runner pipe-511 and a right runner pipe-512.
Detailed Description
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
Referring to fig. 1-4, a processing mold with multiple injection molding cavities comprises a front mold core 1 and a rear mold core 2 which are fastened with each other, a molding cavity 3 is preset between the front mold core 1 and the rear mold core 2, and a main runner pipe 4 penetrating through the front mold core 1 is arranged on the front mold core 1, wherein the molding cavity 3 comprises a first injection molding cavity 31 and a second injection molding cavity 32 which are independent from each other;
the lower end part of the main runner pipe 4 is arranged in the forming chamber 3, a first branch runner pipe 51 and a second branch runner pipe 52 are arranged in the forming chamber 3, one end of the first branch runner pipe 51 is communicated with the main runner pipe 4, the other end of the first branch runner pipe 51 is communicated with the first injection chamber 31, one end of the second branch runner pipe 52 is communicated with the main runner pipe 4, and the other end of the second branch runner pipe 52 is communicated with the second injection chamber 32;
the lengths of the first branch flow passage pipe 51 and the second branch flow passage pipe 52 are the same, and the ratio of the volume of the first injection molding chamber 31 to the cross-sectional area of the first branch flow passage pipe 51 is the same as the ratio of the volume of the second injection molding chamber 32 to the cross-sectional area of the second branch flow passage pipe 52;
in the injection molding process, the injection molding raw material in a molten state is injected into the first branch runner pipe 51 and the second branch runner pipe 52 from the main runner pipe 4, the injection molding raw material is injected into the first injection molding chamber 31 through the first branch runner pipe 51, and the injection molding raw material is injected into the second injection molding chamber 32 through the second branch runner pipe 52;
when the volume of the first injection cavity 31 is set to be V1, the volume of the second injection cavity 32 is set to be V2, the cross-sectional area of the first branch runner pipe 51 is set to be S1, the cross-sectional area of the second branch runner pipe 52 is set to be S2, and the flow rate of injection raw material in a molten state is a constant value V, the filling time of the first injection cavity 31 is T1, T1= V1/S2V, the filling time of the first injection cavity 31 is T2, T2= V2/S2V, the lengths of the first branch runner pipe 51 and the second branch runner pipe 52 are the same, the ratio of the volume of the first injection cavity 31 to the cross-sectional area of the first branch runner pipe 51 is the same as the ratio of the volume of the second injection cavity 32 to the cross-sectional area of the second branch runner pipe 52, so that the filling time of the first injection cavity 31 is the same as the filling time of the second injection cavity 32;
the utility model discloses the mold processing of cavity of moulding plastics more, through the ratio with first cavity 31 and first branch runner pipe 51 of moulding plastics, the second cavity 32 of moulding plastics sets up to be the same with the ratio of second branch runner pipe 52, make first cavity 31 and the second of moulding plastics 32 of moulding plastics realize filling in step, make the injection effect of the raw materials of moulding plastics more controllable, the product that makes first cavity 31 and the second of moulding plastics 32 of moulding plastics can both be fine mould plastics completely, and very convenient realization is synchronous to be ended, the product is sunken, the product is overflowed, the size is inaccurate and injection moulding problems such as overlap.
In the embodiment of the present invention, the cross-sectional area of the main flow channel pipe 4 is greater than the cross-sectional areas of the first branch flow channel pipe 51 and the second branch flow channel pipe 52;
in the injection molding process, the cross-sectional area of the main runner pipe 4 is respectively larger than the cross-sectional areas of the first branch runner pipe 51 and the second branch runner pipe 52, so that the injection molding raw materials can be fully filled in the first branch runner pipe 51 and the second branch runner pipe 52, the injection molding raw materials in the first injection molding chamber 31 and the second injection molding chamber 32 are fully filled, and the yield is improved.
In the embodiment of the present invention, the main runner pipe 4 includes a vertical runner pipe 41 vertically disposed on the front mold core 1 and a horizontal runner pipe 42 horizontally disposed in the forming chamber 3, the horizontal runner pipe 42 is disposed along the axis of the forming chamber 3, and the first branch runner pipe 51 and the second branch runner pipe 52 are respectively communicated with the end of the horizontal runner pipe 42;
the arrangement of the first branch flow path pipe 51 and the second branch flow path pipe 52 is facilitated by arranging the cross flow path pipe 42 along the axis of the molding chamber 3.
In the embodiment of the present invention, the first branch flow passage pipe 51 and the second branch flow passage pipe 52 are arranged in parallel;
through with first branch runner pipe 51 and second branch runner pipe 52 parallel arrangement, make the moulding plastics of the raw materials of moulding plastics not influenced by the angle of first branch runner pipe 51 and second branch runner pipe 52, make the injection more relative balance of first branch runner pipe 51 and second branch runner pipe 52, make the first cavity 31 of moulding plastics and the second cavity 32 of moulding plastics raw materials packing more balance.
In the embodiment of the present invention, the front mold core 1 and the rear mold core 2 are respectively provided with a holding tank 6 for holding the transverse flow passage pipe 42, the first branch flow passage pipe 51 and the second branch flow passage pipe 52, and the holding tank 6 is respectively communicated with the first injection molding chamber 31 and the second injection molding chamber 32;
through setting up holding tank 6, make the better laminating of front mould benevolence 1 and back mould benevolence 2.
In the embodiment of the present invention, the first branch flow channel pipe 51 includes a left flow channel pipe 511 and a right flow channel pipe 512 symmetrically disposed with the transverse flow channel pipe 42 as the center, the cross-sectional area of the left flow channel pipe 511 is the same as that of the right flow channel pipe 512, one end of the left flow channel pipe 511 is communicated with the transverse flow channel pipe 42, the other end of the left flow channel pipe 511 is communicated with the left side of the first injection molding chamber 31, one end of the right flow channel pipe 512 is communicated with the transverse flow channel pipe 42, and the other end of the right flow channel pipe 512 is communicated with the right side of the first injection molding chamber 31;
through setting up left runner pipe 511 and right runner pipe 512, make the raw materials of moulding plastics respectively from left side and right side to the packing in the first cavity 31 of moulding plastics, make more even that fill, the filling effect is better.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A processing mould with multiple injection molding cavities comprises a front mould core (1) and a rear mould core (2) which are mutually buckled, a molding cavity (3) is arranged between the front mould core (1) and the rear mould core (2) in advance, and a main runner pipe (4) penetrating through the front mould core (1) is arranged on the front mould core (1), and is characterized in that the molding cavity (3) comprises a first injection molding cavity (31) and a second injection molding cavity (32) which are mutually independent;
the lower end part of the main flow channel pipe (4) is arranged in the forming cavity (3), a first branch flow channel pipe (51) and a second branch flow channel pipe (52) are arranged in the forming cavity (3), one end of the first branch flow channel pipe (51) is communicated with the main flow channel pipe (4), the other end of the first branch flow channel pipe (51) is communicated with the first injection molding cavity (31), one end of the second branch flow channel pipe (52) is communicated with the main flow channel pipe (4), and the other end of the second branch flow channel pipe (52) is communicated with the second injection molding cavity (32);
the lengths of the first branch flow passage pipe (51) and the second branch flow passage pipe (52) are the same, and the ratio of the volume of the first injection molding chamber (31) to the cross-sectional area of the first branch flow passage pipe (51) is the same as the ratio of the volume of the second injection molding chamber (32) to the cross-sectional area of the second branch flow passage pipe (52).
2. A multiple injection molding chamber processing mold as claimed in claim 1, wherein the cross sectional area of the main runner pipe (4) is larger than the cross sectional area of the first branch runner pipe (51) and the second branch runner pipe (52), respectively.
3. The processing mold of multiple injection molding cavities according to claim 2, wherein the main runner pipe (4) comprises a vertical runner pipe (41) vertically disposed on the front mold core (1) and a horizontal runner pipe (42) horizontally disposed in the molding cavity (3), the horizontal runner pipe (42) is disposed along the axis of the molding cavity (3), and the first branch runner pipe (51) and the second branch runner pipe (52) are respectively communicated with the end portions of the horizontal runner pipe (42).
4. A multiple injection chamber processing mold as claimed in claim 3, wherein the first branch runner pipe (51) and the second branch runner pipe (52) are arranged in parallel.
5. The processing mold with multiple injection molding cavities according to claim 4, wherein the front mold core (1) and the rear mold core (2) are respectively provided with an accommodating groove (6) for accommodating the transverse flow passage pipe (42), the first branch flow passage pipe (51) and the second branch flow passage pipe (52), and the accommodating groove (6) is respectively communicated with the first injection molding cavity (31) and the second injection molding cavity (32).
6. The mold for manufacturing a multi-injection molding chamber as claimed in claim 5, wherein the first branch runner pipe (51) comprises a left runner pipe (511) and a right runner pipe (512) symmetrically disposed with respect to the lateral runner pipe (42), the left runner pipe (511) and the right runner pipe (512) have the same cross-sectional area, one end of the left runner pipe (511) communicates with the lateral runner pipe (42), the other end of the left runner pipe (511) communicates with the left side of the first injection molding chamber (31), one end of the right runner pipe (512) communicates with the lateral runner pipe (42), and the other end of the right runner pipe (512) communicates with the right side of the first injection molding chamber (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904613.4U CN218019842U (en) | 2022-07-23 | 2022-07-23 | Processing die with multiple injection molding cavities |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221904613.4U CN218019842U (en) | 2022-07-23 | 2022-07-23 | Processing die with multiple injection molding cavities |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218019842U true CN218019842U (en) | 2022-12-13 |
Family
ID=84386256
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221904613.4U Active CN218019842U (en) | 2022-07-23 | 2022-07-23 | Processing die with multiple injection molding cavities |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218019842U (en) |
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2022
- 2022-07-23 CN CN202221904613.4U patent/CN218019842U/en active Active
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