CN214026988U - Sectional type injection mold material channel structure - Google Patents
Sectional type injection mold material channel structure Download PDFInfo
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- CN214026988U CN214026988U CN202022864034.9U CN202022864034U CN214026988U CN 214026988 U CN214026988 U CN 214026988U CN 202022864034 U CN202022864034 U CN 202022864034U CN 214026988 U CN214026988 U CN 214026988U
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Abstract
The utility model discloses a sectional type injection mould material channel structure, which comprises an outer feeding gate, a main material channel and an inner feeding gate, wherein the outer feeding gate is communicated with the main material channel, the material channel is communicated with the inner feeding gate, and the inner feeding gate is communicated with a mould cavity for forming a product; the main material channel comprises a first material channel and a second material channel, the head part of the first material channel is communicated with the outer feed inlet, the tail end of the first material channel is connected with the head part of the second material channel, and the tail end of the second material channel is communicated with the inner feed inlet; the first material channel and the second material channel both comprise a plurality of necking sections, and the necking sections are uniformly distributed along the length direction of the material channel. The utility model provides a sectional type injection mould material says structure can effectively get rid of the bubble phenomenon in the product, improves the yield of product.
Description
Technical Field
The utility model belongs to the technical field of injection mold, concretely relates to sectional type injection mold material says structure.
Background
The injection molding principle is that liquid materials are injected into a mold cavity at a high speed through an inlet gate of a material channel under the state of high temperature and high pressure, and are rapidly cooled and molded, and the conventional material feeding channel has the following defects in the actual production at present: because the material way overlength, the liquid velocity of flow in the production injection molding process is greater than air flow rate, can wrap up the air often to cause the shaping product to have the bubble to appear, this type of product belongs to the defective work, consequently current mould material way can not satisfy production actual need.
SUMMERY OF THE UTILITY MODEL
The utility model mainly solves the technical problem that a sectional type injection molding material channel structure is provided, which can effectively remove the bubble phenomenon in the product and improve the yield of the product.
In order to solve the technical problem, the utility model discloses a technical scheme be: the sectional type injection mold material channel structure comprises an outer inlet sprue, a main material channel and an inner inlet sprue, wherein the outer inlet sprue is communicated with the main material channel, the main material channel is communicated with the inner inlet sprue, and the inner inlet sprue is communicated with a mold cavity for forming a product;
the main material channel comprises a first material channel and a second material channel, the head part of the first material channel is communicated with the outer feeding gate, the tail end of the first material channel is connected with the head part of the second material channel, and the tail end of the second material channel is communicated with the inner feeding gate;
the first material channel and the second material channel both comprise a plurality of necking sections, and the necking sections are uniformly distributed along the length direction of the material channel;
the diameter of the necking section is 1/4-1/2 of the diameter of the material channel;
the distance between the adjacent necking sections is 0.5-1.5 times of the diameter of the material channel;
the length of the necking section is 0.5-1.5 times of the diameter of the material channel.
Furthermore, a buffer bag is arranged at the joint of the first material channel and the second material channel.
Further, the diameter of the necking section is 1/3 of the diameter of the material channel.
Further, the distance between the adjacent necking sections is 1 time of the diameter of the material channel.
Further, the length of the necking section is 1 time of the diameter of the material channel.
Furthermore, the two main material channels are arranged and are centrosymmetric along the outer inlet gates.
The utility model has the advantages that:
the utility model has the advantages that as the material channel is provided with a plurality of necking sections, the liquid passes through the material channel firstly and then passes through the necking sections, the liquid pressure can be increased, the liquid is sprayed out at the necking sections, the air in the liquid can be effectively discharged in the spraying process, the bubble phenomenon in the product is removed, and the yield of the product is improved; because the plurality of the necking sections are arranged, liquid passes through the necking sections for many times in the flowing process of the material channel, so that air in the liquid is better removed, the occurrence of the bubble phenomenon in the product is reduced, and the yield of the product is improved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the structure in the direction A-A in FIG. 1;
FIG. 3 is an enlarged view of A1 in FIG. 2;
FIG. 4 is a schematic view of the structure in the direction B-B in FIG. 1;
FIG. 5 is a schematic view of the structure in the direction C-C in FIG. 1;
FIG. 6 is a schematic structural view of a product and a stub bar formed by using the present invention;
the parts in the drawings are marked as follows:
the device comprises an outer feeding gate 1, an inner feeding gate 2, a mold cavity 3, a first material channel 4, a second material channel 5, a necking section 6, a buffer bag 7, the diameter D1 of the necking section, the diameter D2 of the material channel, the distance L1 between adjacent necking sections, the length L2 of the necking section and a mold 8.
Detailed Description
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. Modifications and substitutions of the methods, steps or conditions of the present invention are within the scope of the present invention without departing from the spirit and substance of the invention.
Example 1: a sectional type injection mold material channel structure is arranged in a mold 8 and comprises an outer inlet sprue 1, a main material channel and an inner inlet sprue 2 as shown in figures 1-6, wherein the outer inlet sprue is communicated with the main material channel, the main material channel is communicated with the inner inlet sprue, and the inner inlet sprue is communicated with a mold cavity 3 for forming a product;
the main material channel comprises a first material channel 4 and a second material channel 5, the head part of the first material channel is communicated with the outer feeding sprue, the tail end of the first material channel is connected with the head part of the second material channel, and the tail end of the second material channel is communicated with the inner feeding sprue;
the first material channel and the second material channel both comprise a plurality of necking sections 6, and the necking sections are uniformly distributed along the length direction of the material channel;
the diameter D1 of the necking section is 1/4 to 1/2 of the diameter D2 of the material channel;
the distance L1 between the adjacent necking sections is 0.5-1.5 times of the diameter of the material channel;
the length L2 of the necking section is 0.5-1.5 times of the diameter of the material channel.
The connection part of the first material channel and the second material channel is provided with a buffer bag 7, and the buffer bag can effectively reduce the impact of high-speed fluid and the vibration of the die.
The diameter of the necking section is 1/3 of the diameter of the material channel.
The distance between the adjacent reducing sections is 1 time of the diameter of the material channel, namely, the distance between the adjacent reducing sections is the same as the diameter of the material channel.
The length of the necking section is 1 time of the diameter of the material channel, namely, the length of the necking section is the same as the diameter of the material channel.
The main material channel is provided with two main material channels which are centrosymmetric along the outer inlet gates.
It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. This need not be exhaustive. And obvious variations or modifications can be made without departing from the scope of the invention.
Claims (6)
1. The sectional type injection mold material channel structure is characterized by comprising an outer inlet sprue, a main material channel and an inner inlet sprue, wherein the outer inlet sprue is communicated with the main material channel, the main material channel is communicated with the inner inlet sprue, and the inner inlet sprue is communicated with a mold cavity for forming a product;
the main material channel comprises a first material channel and a second material channel, the head part of the first material channel is communicated with the outer feeding gate, the tail end of the first material channel is connected with the head part of the second material channel, and the tail end of the second material channel is communicated with the inner feeding gate;
the first material channel and the second material channel both comprise a plurality of necking sections, and the necking sections are uniformly distributed along the length direction of the material channel;
the diameter of the necking section is 1/4-1/2 of the diameter of the material channel;
the distance between the adjacent necking sections is 0.5-1.5 times of the diameter of the material channel;
the length of the necking section is 0.5-1.5 times of the diameter of the material channel.
2. The segmented injection mold tunnel structure of claim 1, wherein: and a buffer bag is arranged at the joint of the first material channel and the second material channel.
3. The segmented injection mold tunnel structure of claim 1, wherein: the diameter of the necking section is 1/3 of the diameter of the material channel.
4. The segmented injection mold tunnel structure of claim 1, wherein: the distance between the adjacent necking sections is 1 time of the diameter of the material channel.
5. The segmented injection mold tunnel structure of claim 1, wherein: the length of the necking section is 1 time of the diameter of the material channel.
6. The segmented injection mold tunnel structure of claim 1, wherein: the main material channel is provided with two main material channels which are centrosymmetric along the outer inlet gates.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022864034.9U CN214026988U (en) | 2020-12-03 | 2020-12-03 | Sectional type injection mold material channel structure |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022864034.9U CN214026988U (en) | 2020-12-03 | 2020-12-03 | Sectional type injection mold material channel structure |
Publications (1)
Publication Number | Publication Date |
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CN214026988U true CN214026988U (en) | 2021-08-24 |
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Family Applications (1)
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CN202022864034.9U Active CN214026988U (en) | 2020-12-03 | 2020-12-03 | Sectional type injection mold material channel structure |
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CN (1) | CN214026988U (en) |
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2020
- 2020-12-03 CN CN202022864034.9U patent/CN214026988U/en active Active
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