CN217414755U - Can adjust mould structure of flow of moulding plastics - Google Patents
Can adjust mould structure of flow of moulding plastics Download PDFInfo
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- CN217414755U CN217414755U CN202221194742.9U CN202221194742U CN217414755U CN 217414755 U CN217414755 U CN 217414755U CN 202221194742 U CN202221194742 U CN 202221194742U CN 217414755 U CN217414755 U CN 217414755U
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- flow
- runner
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- countersunk
- stud
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Abstract
A mold structure capable of adjusting injection flow comprises a front mold insert and a rear mold insert, wherein a plurality of mold cavities are arranged on the rear mold insert, a main runner and a plurality of sub-runners are arranged on the front mold insert, the main runner is communicated with the plurality of sub-runners, the sub-runners are communicated with the mold cavities through water gaps, an injection port and an injection channel are arranged on the front mold insert, the injection port is communicated with the main runner through the injection channel, and a flow control assembly for controlling injection flow is arranged on each of the plurality of sub-runners; the flow control assembly comprises a flow limiting through hole penetrating through the top and the bottom of the runner, a threaded hole is formed in the bottom of the runner and is opposite to the flow limiting through hole, a stud is connected in the threaded hole in a threaded manner, and a flow limiting block used for limiting injection molding flow is arranged on the stud. The plastic is injected into the injection molding runner through the injection molding port, the injection molding runner is communicated with the main runner so that the plastic flows into the main runner, the main runner is communicated with the sub-runners through the water gap, the sub-runners are communicated with the mold cavity so that the plastic flows into the mold cavity through the sub-runners for injection molding, and when the injection flow of each mold cavity needs to be adjusted, the injection flow of the sub-runners is controlled by adjusting the stud up and down by utilizing the degree of the flow limiting blocks for plugging the sub-runners.
Description
Technical Field
The utility model relates to an injection moulding technical field, more specifically say, relate to a can adjust mould structure of flow of moulding plastics.
Background
An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used in mass production of some parts having complex shapes. Specifically, plastic melted by heating is injected into a mold cavity from an injection molding machine at high pressure, and a formed product is obtained after cooling and solidification, wherein some injection molds are designed with double injection, the sizes of two injection products are different, and the required amount of plastic is also different; when two products are produced simultaneously, due to the generation of defects, the quantity of the two products is different, when the products with small quantity are produced again, the injection molding flow channel of the other product needs to be blocked, and otherwise, materials are wasted.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, a can adjust the mould structure of the flow of moulding plastics is provided.
The utility model provides a technical scheme that its technical problem adopted is:
the method comprises the steps of constructing a mold structure capable of adjusting injection molding flow, wherein the mold structure comprises a front mold insert and a rear mold insert, a plurality of mold cavities are arranged on the rear mold insert, a main runner and a plurality of sub-runners are arranged on the front mold insert, the main runner is communicated with the sub-runners, the sub-runners are communicated with the mold cavities through water gaps, an injection molding port and an injection molding channel are arranged on the front mold insert, the injection molding port is communicated with the main runner through the injection molding channel, and the plurality of sub-runners are provided with flow control assemblies for controlling injection molding flow; the flow control assembly comprises a flow limiting through hole penetrating through the top and the bottom of the runner, a threaded hole is formed in the bottom of the runner and is right opposite to the flow limiting through hole, a stud is connected in the threaded hole in a threaded manner, and a flow limiting block used for limiting injection molding flow is arranged on the stud.
Preferably, the threaded hole is a countersunk threaded hole which comprises a countersunk part and a threaded part, the diameter of the flow limiting through hole is the same as that of the countersunk part, the stud is a countersunk stud, and the flow limiting block is the head of the countersunk stud.
Preferably, the length of the head of the countersunk stud is greater than the depth of the runner, and the diameter of the head of the countersunk stud is equal to the diameter of the runner.
Preferably, the diameter of the countersunk portion of the countersunk threaded hole is larger than the diameter of the sub-runner, and the diameter of the head of the countersunk stud is also larger than the diameter of the sub-runner.
Preferably, the top of the countersunk head stud is provided with a linear groove matched with a screwdriver.
The beneficial effects of the utility model reside in that: use the utility model discloses the time, through moulding plastics mouthful injecting the plastic in to moulding plastics runner, the runner of moulding plastics is linked together with the sprue and makes the plastic flow in the sprue, the sprue is linked together through the mouth of a river and subchannel, the subchannel is linked together with the die cavity and makes the plastic flow carry out injection moulding in flowing into the die cavity through the subchannel, when the injecting glue flow of each die cavity needs to be adjusted, thereby the accessible is with the double-screw bolt from top to bottom adjustment utilize the injecting glue flow of the degree control subchannel of restriction piece shutoff subchannel with this injecting glue flow that controls the inflow die cavity.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described with reference to the accompanying drawings and embodiments, wherein the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive efforts according to the drawings:
fig. 1 is a schematic view of a mold structure front mold insert capable of adjusting injection flow according to a preferred embodiment of the present invention (in a top view, in a non-injection state).
Fig. 2 is a schematic view (in an exploded state) of a mold structure capable of adjusting injection flow according to a preferred embodiment of the present invention.
Fig. 3 is another schematic diagram (in an exploded state) of a mold structure capable of adjusting injection flow according to a preferred embodiment of the present invention.
Fig. 4 is a schematic view of a mold structure front mold insert capable of adjusting injection flow according to a preferred embodiment of the present invention (in a top view, in an injection molding state).
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, a clear and complete description will be given below with reference to the technical solutions of the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, belong to the scope of protection of the present invention.
The utility model discloses a mould structure that can adjust injection moulding flow of preferred embodiment is shown in fig. 1-3, including front mould mold insert 6 and back mould mold insert 7, the top on the back mould mold insert 6 is provided with a plurality of die cavities 1, be provided with sprue 5 and many subchannels 2 on the front mould mold insert 6, sprue 5 is linked together with many subchannels 2, subchannels 2 is linked together with a plurality of die cavities 1 through mouth of a river 8, front mould mold insert 6 is provided with injection moulding mouth 9 and injection moulding passageway, injection moulding mouth 9 is linked together with sprue 5 through the injection moulding passageway, many subchannels 2 all are provided with the flow control subassembly that is used for controlling the injection moulding flow; the flow control assembly comprises a flow limiting through hole 10 penetrating through the top and the bottom of the sub-runner 2, a threaded hole is formed in the bottom of the sub-runner 2, the threaded hole is opposite to the flow limiting through hole 10, a stud is connected in the threaded hole in a threaded manner, and a flow limiting block for limiting injection molding flow is arranged on the stud;
use the utility model discloses the time, through moulding plastics mouthful 9 to the interior plastic that injects of runner of moulding plastics, the runner of moulding plastics is linked together with sprue 5 and makes the plastic flow in sprue 5, sprue 5 is linked together with subchannel 2, subchannel 2 is linked together through mouth of a river 8 die cavity and makes the plastic flow through subchannel 2 flow in the die cavity carry out injection moulding, when the injecting glue flow of each die cavity 1 of needs adjustment, thereby the accessible is adjusted the double-screw bolt from top to bottom and is utilized the injecting glue flow of degree control subchannel 2 of restriction piece shutoff subchannel 2 with this injecting glue flow that control flows in die cavity 1.
As shown in fig. 1-3, the threaded hole is a countersunk threaded hole 11, the countersunk threaded hole 11 includes a countersunk portion and a threaded portion, the diameter of the flow-limiting through hole 10 is the same as that of the countersunk portion, the stud is a countersunk stud 3, and the flow-limiting block is the head of the countersunk stud 3;
use the utility model discloses the time, thereby accessible adjustment countersunk stud 3 is at the depth degree adjustment countersunk stud 3 head in countersunk screw hole 11 to the shutoff degree of shunting way 2 to this injecting glue flow that control flowed in die cavity 1.
As shown in fig. 1-3, the length of the head of the countersunk stud 3 is greater than the depth of the runner 2, and the diameter of the head of the countersunk stud 3 is equal to the diameter of the runner 2;
when needs block off subchannel 2 completely, the diameter of the head of countersunk head stud 3 equals with the diameter of subchannel 2 can prevent that the plastic from passing through from the left and right sides of countersunk head stud 3 head, and the length of the head of countersunk head stud 3 is greater than the degree of depth of subchannel 2 and can prevent that the plastic from passing through from the bottom of countersunk head stud 3 and prevented simultaneously that the plastic from getting into countersunk head screw hole 11.
As shown in fig. 1-3, the diameter of the countersunk part of the countersunk threaded hole 11 is larger than that of the sub-runner 2, and the diameter of the head of the countersunk stud 3 is also larger than that of the sub-runner 2;
when the sub-runner 2 needs to be completely blocked, the diameter of the countersunk part of the countersunk threaded hole 11 is larger than that of the sub-runner 2, and the diameter of the head of the countersunk stud 3 is also larger than that of the sub-runner 2, so that the sub-runner 2 can be better blocked.
As shown in fig. 1-3, a linear groove 15 adapted to a screwdriver is formed at the top of the countersunk stud 3;
the straight-line-shaped groove 15 matched with the screwdriver is formed in the top of the countersunk head stud 3, so that the depth of the countersunk head stud 3 in the countersunk head threaded hole 11 can be conveniently adjusted, and when the injection molding is carried out, the straight-line-shaped groove 15 is only required to be adjusted to be perpendicular to the length direction of the runner 2.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are considered to be within the scope of the invention as defined by the following claims.
Claims (5)
1. A mold structure capable of adjusting injection flow is characterized by comprising a front mold insert and a rear mold insert, wherein the rear mold insert is provided with a plurality of mold cavities, the front mold insert is provided with a main runner and a plurality of sub-runners, the main runner is communicated with the plurality of sub-runners, the sub-runners are communicated with the mold cavities through water gaps, the front mold insert is provided with an injection port and an injection channel, the injection port is communicated with the main runner through the injection channel, and the plurality of sub-runners are provided with flow control assemblies for controlling injection flow; the flow control assembly comprises a flow limiting through hole penetrating through the top and the bottom of the runner, a threaded hole is formed in the bottom of the runner and is right opposite to the flow limiting through hole, a stud is connected in the threaded hole in a threaded manner, and a flow limiting block used for limiting injection molding flow is arranged on the stud.
2. The mold structure capable of adjusting injection flow according to claim 1, wherein the threaded hole is a countersunk threaded hole, the countersunk threaded hole comprises a countersunk portion and a threaded portion, the diameter of the flow limiting through hole is the same as that of the countersunk portion, the stud is a countersunk stud, and the flow limiting block is a head of the countersunk stud.
3. The mold structure capable of adjusting injection flow according to claim 2, wherein the length of the head of the countersunk stud is greater than the depth of the runner, and the diameter of the head of the countersunk stud is equal to the diameter of the runner.
4. The mold structure capable of adjusting the injection flow according to claim 2, wherein the diameter of the countersunk portion of the countersunk threaded hole is larger than the diameter of the runner, and the diameter of the head of the countersunk stud is also larger than the diameter of the runner.
5. The mold structure capable of adjusting the injection flow according to claim 2, wherein the top of the countersunk stud is provided with a linear groove matched with a screwdriver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221194742.9U CN217414755U (en) | 2022-05-17 | 2022-05-17 | Can adjust mould structure of flow of moulding plastics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221194742.9U CN217414755U (en) | 2022-05-17 | 2022-05-17 | Can adjust mould structure of flow of moulding plastics |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217414755U true CN217414755U (en) | 2022-09-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221194742.9U Active CN217414755U (en) | 2022-05-17 | 2022-05-17 | Can adjust mould structure of flow of moulding plastics |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217414755U (en) |
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2022
- 2022-05-17 CN CN202221194742.9U patent/CN217414755U/en active Active
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