CN119635972B - Glue port structure, injection molding device and injection molding process - Google Patents
Glue port structure, injection molding device and injection molding processInfo
- Publication number
- CN119635972B CN119635972B CN202411745135.0A CN202411745135A CN119635972B CN 119635972 B CN119635972 B CN 119635972B CN 202411745135 A CN202411745135 A CN 202411745135A CN 119635972 B CN119635972 B CN 119635972B
- Authority
- CN
- China
- Prior art keywords
- glue
- injection molding
- outlet end
- glue outlet
- outlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The embodiment of the disclosure discloses a glue port structure, an injection molding device and an injection molding process, wherein the glue port structure comprises a main body, the main body is provided with a glue inlet end and a glue outlet end, the main body is in a necking shape along the direction from the glue inlet end to the glue outlet end, the glue outlet end is provided with at least two glue outlets, a hollowed-out area is formed between any two adjacent glue outlets, and the length of the hollowed-out area is not less than the length of the glue outlet on the cross section of the glue outlet end. Therefore, the design of a plurality of glue outlets and hollowed-out areas can be utilized, so that the internal stress of the glue outlet end plastic is redistributed, the injection molding defects caused by uneven internal stress of the glue outlet end melt adhesive can be reduced, for example, when the glue outlet end plastic breaks, the side wall of the product is deformed, the plastic residues are overlarge, and the like, and the molding quality and performance of the product are further improved.
Description
Technical Field
The invention relates to the technical field of injection molding equipment, in particular to a rubber port structure, an injection molding device and an injection molding process.
Background
In the injection molding process, the design of the rubber mouth structure has a crucial influence on the molding quality, the production efficiency and the like of the product. Traditional glue mouth structure often adopts single glue mouth design, and this kind of design can satisfy basic demand of moulding plastics to a certain extent, but exposes some problems in practical application gradually.
For example, the design of a single glue outlet can lead to the problem that the glue outlet is pulled and deformed on the side wall of a product when the glue outlet is separated from the product, so that the appearance quality of the product is influenced, the size of the single glue outlet is required to be designed within a certain range under the influence of the defect, and the design has great limitation and is unfavorable for the injection molding of the product.
Disclosure of Invention
In view of the above drawbacks of the prior art, an object of the present invention is to provide a novel glue port structure, an injection molding device and an injection molding process.
According to one aspect of the present invention, a glue line structure is provided.
The glue mouth structure comprises:
the main body is provided with a glue inlet end and a glue outlet end, and is in a necking shape along the direction from the glue inlet end to the glue outlet end;
The glue outlet end is provided with at least two glue outlets, a hollowed-out area is formed between any two adjacent glue outlets, and the length of the hollowed-out area is not less than the length of the glue outlet on the cross section of the glue outlet end.
Optionally, along the direction from the glue inlet end to the glue outlet end, the ratio of the depth of the hollowed-out area to the length of the hollowed-out area is in the range of 1:1 to 2:1.
Optionally, along the direction from the glue inlet end to the glue outlet end, the ratio of the depth of the hollowed-out area to the length of the hollowed-out area is 1.5:1.
Optionally, a plurality of glue outlets are arranged side by side, or a plurality of glue outlets are arranged in an array.
Optionally, the glue outlets are equal in size.
Optionally, the glue outlet end is provided with two glue outlets, and the two glue outlets and the hollowed-out area form a U-shaped structure.
Optionally, the thickness of the U-shaped structure gradually decreases along the direction from the glue inlet end to the glue outlet end.
According to another aspect of the present invention there is provided an injection molding apparatus comprising a body and said spout structure connected to an end of said body.
Optionally, the body is provided with a first runner therein, the glue port structure is provided with a second runner therein, the second runner comprises at least two sub-runners, and each sub-runner is communicated with the first runner.
According to still another aspect of the present invention, there is provided an injection molding process using the injection molding apparatus, comprising:
Opening a mold, placing the sizing material and the mold containing the injection molding device in an injection molding machine, and adjusting parameters of the injection molding machine based on the mold structure;
injection molding, heating to melt and compress the sizing material, and injecting the obtained melted sizing material into a mold cavity through an injection molding runner and a sizing outlet;
And demolding, namely pushing the glue outlet to be separated from the product through the ejector pin after the glue is cooled and solidified, and obtaining the injection molded product.
One technical effect of the embodiments of the present disclosure is:
The glue outlet structure comprises a main body, wherein the main body is provided with a glue inlet end and a glue outlet end, the main body is in a necking shape along the direction from the glue inlet end to the glue outlet end, the glue outlet end is provided with at least two glue outlets, a hollowed-out area is formed between any two adjacent glue outlets, and the length of the hollowed-out area is not less than the length of the glue outlet on the cross section of the glue outlet end. Therefore, the design of a plurality of glue outlets and hollowed-out areas can be utilized, so that the internal stress of the glue outlet end plastic is redistributed, the injection molding defects caused by uneven internal stress of the glue outlet end melt adhesive can be reduced, for example, when the glue outlet end plastic breaks, the side wall of the product is deformed, the plastic residues are overlarge, and the like, and the molding quality and performance of the product are further improved.
Other features of the present invention and its advantages will become apparent from the following detailed description of exemplary embodiments of the invention, which proceeds with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description, serve to explain the principles of the invention.
FIG. 1 is a schematic illustration of a glue line structure according to an embodiment of the present disclosure;
FIG. 2 is another schematic illustration of a glue line structure according to an embodiment of the present disclosure;
FIG. 3 is a schematic illustration of an injection molding apparatus according to an embodiment of the present disclosure;
FIG. 4 is a cross-sectional view at A-A in FIG. 3;
FIG. 5 is an equivalent stress simulation diagram of a prior art glue-line structure;
fig. 6 is an equivalent stress simulation diagram of a glue-line structure according to an embodiment of the present disclosure.
Reference numerals illustrate:
001. A product;
1. A main body; 11 parts of glue outlet, 12 parts of hollowed-out area, 2 parts of die body, 21 parts of first runner, 3 parts of thimble.
Detailed Description
Various exemplary embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be noted that the relative arrangement of the components and steps, numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless it is specifically stated otherwise.
The following description of at least one exemplary embodiment is merely exemplary in nature and is in no way intended to limit the invention, its application, or uses.
Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but are intended to be part of the specification where appropriate.
In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of exemplary embodiments may have different values.
It should be noted that like reference numerals and letters refer to like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
The embodiment of the invention provides a glue port structure which can be applied to an injection molding device or an injection mold. In the injection molding process, the melted rubber material can enter the rubber inlet end of the rubber port structure through the first runner 21 of the injection molding device, and then, the rubber material is guided along the rubber port structure and filled into the mold cavity through the rubber outlet end.
As shown in fig. 1 and fig. 2, the glue port structure provided in the embodiment of the present invention includes:
The main body 1 is provided with a glue inlet end and a glue outlet end, and the main body 1 is in a necking shape along the direction from the glue inlet end to the glue outlet end;
The glue outlet end is provided with at least two glue outlets 11, a hollowed-out area 12 is formed between any two adjacent glue outlets 11, and the length of the hollowed-out area 12 is not less than the length of the glue outlets 11 on the cross section of the glue outlet end.
Specifically, the main body 1 is provided with a glue inlet end and a glue outlet end, a glue injection channel is arranged between the glue inlet end and the glue outlet end, and glue material flows in the glue injection channel so as to realize an injection molding process.
Wherein, from advancing in the direction of gluing the end to the play end, set up main part 1 and present the design of throat form, main part 1 narrows gradually promptly, helps guiding the sizing material to flow more evenly at the in-process of moulding plastics, increases the inside shearing rate that flows of plastic at the mouth of gluing to can improve the efficiency of moulding plastics, also can improve the outward appearance of product, and then guarantee the quality of product and improve the product yield of moulding plastics. In addition, the shrinkage design of the main body 1 can improve the glue residue of the glue outlet end, a glue removing process is not needed to be additionally arranged, and the injection molding flow and the injection molding cost are also saved.
In addition, the shrinkage-shaped design of the main body 1 enables the size of the glue outlet end to be smaller, so that the glue outlet end is convenient to adapt to a product 001 with smaller size, and is also convenient to adapt to complex injection molding requirements.
The necking-shaped design of the main body 1 can also reduce the overall size of the glue port structure, so that the miniaturization development of the injection molding device with the glue port structure is facilitated.
The necking design of the main body 1 can be realized through a forming die or through an adjustable mechanism such as a threaded adjusting ring, and is convenient to adjust according to different injection molding requirements and die sizes. In addition, the number and arrangement modes of the glue outlets 11 can be customized according to actual requirements so as to meet wider injection molding application scenes.
As shown in fig. 1 and 2, at the glue outlet end, the embodiment of the present invention is provided with at least two glue outlets 11. The glue outlets 11 can be uniformly distributed, so that glue can flow out of the glue outlets 11 at the same time, glue distribution and glue flow in the injection molding process can be balanced, the glue outlets 11 can be unevenly distributed, complex injection molding requirements can be met, the injection molding period can be shortened, and the production efficiency can be improved.
Wherein, form hollow area 12 between two arbitrary adjacent glue outlets 11 that set up, namely two adjacent glue outlets 11 interval sets up promptly, can alleviate the weight of glue mouth structure, can also strengthen the dispersibility and the homogeneity of sizing material when the play is glued to increase the shear stress of single glue outlet 11, thereby can be convenient for glue fracture after the completion of moulding plastics, also can reduce the residual of residual material, make and need not to establish in addition and remove gluey technology, also saved the flow of moulding plastics and the cost of moulding plastics.
Fig. 5 shows the shear stress of the prior art glue line structure, and fig. 6 shows the shear stress of the glue line structure according to an embodiment of the invention. It can be seen that the shearing stress in fig. 6 is larger than that in fig. 5, that is, the rubber port structure of the embodiment of the invention can reduce the difficulty of rubber material fracture, and is convenient for rubber material fracture after injection molding is completed, so that the convenience and the high efficiency of the rubber injection process can be improved.
And, the setting of fretwork area 12 for go out glue end split type play gum mouth 11, with can reduce out the continuous area of contact of gluing end and product 001, thereby can reduce the adhesion between sizing material and the product 001, with risk such as product 001 lateral wall warp or rupture when can reducing the sizing material fracture, and then can promote the shaping quality of product 001, and improve the product yield of moulding plastics.
In addition, the design of a plurality of glue outlets 11 and hollow areas 12 makes the pressure distribution in the injection molding process more even, is favorable to reducing the defect of moulding plastics caused by uneven pressure, such as shrinkage cavity, bubble, etc., further promotes the shaping quality of product 001, and improves the product yield of moulding plastics.
In addition, the split type glue outlet 11 has smaller broken plastic residues due to larger internal stress, and the limitation of size design is small, so that the size of the glue outlet 11 can be increased to meet more injection molding requirements. Compare in current integral type outlet 11, adopt split type outlet 11 design can be in order to mould plastics in the increase of the end overall size that goes out, utilize hollow area 12 to avoid the risk such as product 001 lateral wall warp, rupture or incomplete material when the sizing material fracture, also be convenient for promote the shaping quality of product 001 to improve the product yield of moulding plastics.
As shown in fig. 1 and 2, the cross section along the glue outlet is provided, and the length of the hollowed-out area 12 is greater than or equal to the length of the glue outlet 11, so that a sufficient area of the hollowed-out area can be ensured, and accumulation and retention phenomena of glue near the glue outlet 11 are reduced, thereby reducing abrasion and blockage risks of the die, being beneficial to prolonging the service life of the die and reducing maintenance cost. Meanwhile, the method is also beneficial to maintaining the continuity of the flow of the sizing material, and reducing the problems of unsmooth flow or uneven pressure and the like caused by accumulation.
In addition, the hollow area with a certain size is also beneficial to improving the heat dissipation efficiency of the die, reducing the temperature fluctuation in the injection molding process, shortening the injection molding period of the product to a certain extent and improving the stability and reliability of the product 001.
Wherein, the main body 1 and the glue outlet 11 can be made of materials which are high temperature resistant, high strength and easy to process, such as stainless steel or special alloy, so as to ensure the stability and durability of the glue outlet structure in the injection molding process. During the processing, precise machining or laser cutting technology can be adopted to ensure the dimensional accuracy and shape consistency of the glue outlet 11 and the hollowed-out area 12.
Optionally, along the direction from the glue inlet end to the glue outlet end, the ratio of the depth of the hollowed-out area 12 to the length of the hollowed-out area 12 is in the range of 1:1 to 2:1.
Specifically, when the ratio of the depth to the length of the hollowed-out area 12 is within 1:1 to 2:1, the hollowed-out area 12 can provide more flowing space for the rubber material, so that the problems of unsmooth flowing or uneven pressure and the like caused by space limitation are reduced, the realization of an injection molding process is facilitated, the rubber material can be conveniently and rapidly filled into a mold cavity, particularly in a complex or deep cavity mold, the injection molding period can be shortened, and the filling quality and consistency of a product 001 can be improved.
And, set up the degree of depth of fretwork area 12 and length ratio between 1:1 to 2:1, can utilize the degree of depth of fretwork area 12 to transfer the heat more effectively to the air, reduce the mould temperature, reduce the problem such as sizing material degradation and the product 001 deformation that lead to because of the high temperature, help reducing the inside temperature gradient of mould to reduce the defect of moulding plastics that leads to because of the temperature is uneven.
In addition, through the ratio of the degree of depth and the length of rational design fretwork area 12, can ensure that fretwork area 12 can not be too fragile, help keeping the overall structure intensity of mould, extension mould's life also can reduce simultaneously and glue the size of mouth structure, the product 001 of adaptation size less of being convenient for also is convenient for adapt to complicated demand of moulding plastics.
Optionally, along the direction of advance gluey end to go out gluey end, the degree of depth of fretwork area 12 with the ratio of the length of fretwork area 12 is 1.5:1, and the degree of depth of fretwork area 12 is the length of fretwork area 12 1.5 times promptly, can keep the overall structure intensity of mould, when prolonging the life of mould, also can reduce the size of gluing mouthful structure, is convenient for adapt to the less product 001 of size, also is convenient for adapt to complicated injection molding demand.
Alternatively, a plurality of the glue outlets 11 are arranged side by side, or a plurality of the glue outlets 11 are arranged in an array.
In one embodiment, a plurality of glue outlets 11 may be arranged side by side, so that glue can flow out of the glue outlets 11 simultaneously in the injection molding process, which is helpful to reduce the problems of glue accumulation, uneven flow and the like caused by single-point glue outlet, and thus the filling quality and consistency of the product 001 can be improved.
In another embodiment, a plurality of glue outlets 11 can be arranged in an array, so that not only can the glue outlets of the glue be uniformly distributed, but also finer glue flow control can be realized in depth, and the method is suitable for complex or large-sized moulds and can ensure the overall and uniform filling of the glue in the mould cavities.
The setting of a plurality of glue outlets 11 can shorten the injection molding cycle, increase the shearing rate of plastic flow, and is convenient for improve injection molding efficiency. In addition, the plurality of glue outlets 11 can guide the glue to flow, which is helpful for reducing injection defects such as shrinkage cavities, bubbles, welding lines and the like caused by uneven glue flow, thereby improving the molding quality of the product 001.
Optionally, the glue outlets 11 are equal in size.
The glue outlets 11 are equal in size, on one hand, glue distribution and glue flow in the injection molding process can be balanced, and the glue outlet quantity of each glue outlet 11 is guaranteed to be basically consistent, so that the glue injection uniformity and controllability of a glue outlet structure are improved, on the other hand, the glue outlets 11 are convenient to mold, the mold opening difficulty and the molding efficiency are reduced, and the symmetry and the stability of the glue outlet structure are improved.
Optionally, the glue outlet end has two glue outlets 11, and the two glue outlets 11 and the hollow area 12 form a U-shaped structure.
As shown in fig. 1 and fig. 2, the U-shaped structure formed by the two glue outlets 11 and the hollow area 12 therein can guide glue to flow along the U-shaped path, which is helpful to reduce the resistance and turbulence of glue in the flowing process, and realize smoother and more uniform filling, thereby ensuring more consistent molding quality of the same batch of products 001 and reducing the reject ratio. And the design of the U-shaped structure is beneficial to balancing the pressure distribution in the injection molding process, so that the sizing material can more easily reach all corners of the mold cavity, and the defects of insufficient filling or injection molding caused by flowing dead angles are reduced.
Wherein, two glue outlets 11 of U type structure both sides can go out the glue jointly to can improve injection molding efficiency, shorten the cycle of moulding plastics. The synchronous glue outlet of the two glue outlets 11 can ensure that the pressure in the die cavity is more uniform, and the injection defect caused by uneven pressure is reduced.
In addition, the design of the U-shaped structure is beneficial to reducing accumulation and retention of sizing materials in the die, so that the abrasion risk of the die is reduced, residues are easier to remove, and the service life of the die is prolonged.
Optionally, the thickness of the U-shaped structure gradually decreases along the direction from the glue inlet end to the glue outlet end.
Specifically, the thickness that sets up U type structure reduces gradually for on the one hand, the U type structure can guide the sizing material to flow more evenly in the in-process of moulding plastics, with reduction pressure loss and sizing material to detain, thereby can improve injection molding efficiency and product quality. The size of the glue outlet end is smaller, so that the glue outlet end is convenient to adapt to a product 001 with smaller size, and is also convenient to adapt to complex injection molding requirements. On the other hand, the thickness of the U-shaped structure is gradually reduced, so that the size of the rubber outlet end is smaller, the shearing stress of the rubber outlet end can be increased, the rubber material is convenient to break after injection molding is finished, and the residual material can be reduced.
The embodiment of the invention also provides an injection molding device, which comprises a mold body 2 and the rubber port structure, wherein the rubber port structure is connected to the end part of the mold body 2.
As shown in fig. 3 and 4, the mold body 2 of the injection molding apparatus is generally made of a high-strength, high-temperature-resistant material. The mold body 2 is provided internally with a first runner 21, the first runner 21 being adapted to receive the molten glue and to inject it into the mold cavity by means of an injection molding process.
The gum port structure is connected to the end of the mold body 2 such that the gum inlet end of the gum port structure is in communication with the first runner 21 of the mold body 2 for receiving molten gum material from the mold body 2. The glue outlet end of the glue outlet structure is provided with at least two glue outlets 11, and a hollowed-out area 12 is arranged between every two adjacent glue outlets 11, so that the flow path of glue stock can be optimized, and the injection molding efficiency and quality are improved. In addition, the hollowed-out area 12 can reduce the resistance and accumulation of the sizing material in the flowing process, improve the heat dissipation efficiency and prolong the service life of the injection molding device.
In the injection molding process, the melted glue material enters the glue inlet end of the glue inlet structure through the first runner 21 of the mold body 2. Then, the glue stock is guided along the hollowed-out area 12 and is filled into the molding cavity of the mold through the plurality of glue outlets 11, so that the flow path of the glue stock can be optimized, the flow resistance and accumulation are reduced, and the injection molding efficiency and quality are improved.
Optionally, the die body 2 has a first runner 21 therein, and the glue port structure has a second runner therein, where the second runner includes at least two sub-runners, and each of the sub-runners is in communication with the first runner 21.
As shown in fig. 3 and fig. 4, molten rubber flows in the first runner 21 in the mold body 2, each rubber outlet 11 of the rubber port structure corresponds to one split runner, and each split runner is respectively communicated with the first runner 21, so that the rubber can be dispersed into different split runners through the first runner 21, and thus the injection molding process can be jointly realized by utilizing the plurality of rubber outlets 11, so that the injection molding efficiency can be improved, and the distribution of the rubber and the flow of the rubber in the injection molding process can be balanced.
The embodiment of the invention also provides an injection molding process using the injection molding device, which comprises the following steps:
s1, opening a mold, placing a sizing material and an injection molding device in an injection molding machine, and adjusting the position and parameters of the injection molding device;
s2, injection molding, namely heating, melting and compressing the rubber material, and injecting the obtained molten rubber material into a mold cavity through an injection molding runner and a rubber outlet 11;
S3, demolding, namely pushing the glue outlet 11 to be separated from the product 001 through the ejector pins 3 after the glue is cooled and solidified, and obtaining the injection molded product 001.
The foregoing embodiments mainly describe differences between the embodiments, and as long as there is no contradiction between different optimization features of the embodiments, the embodiments may be combined to form a better embodiment, and in consideration of brevity of line text, no further description is given here.
While certain specific embodiments of the invention have been described in detail by way of example, it will be appreciated by those skilled in the art that the above examples are for illustration only and are not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that modifications may be made to the above embodiments without departing from the scope and spirit of the invention. The scope of the invention is defined by the appended claims.
Claims (8)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411745135.0A CN119635972B (en) | 2024-11-29 | 2024-11-29 | Glue port structure, injection molding device and injection molding process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202411745135.0A CN119635972B (en) | 2024-11-29 | 2024-11-29 | Glue port structure, injection molding device and injection molding process |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN119635972A CN119635972A (en) | 2025-03-18 |
| CN119635972B true CN119635972B (en) | 2026-05-01 |
Family
ID=94954439
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202411745135.0A Active CN119635972B (en) | 2024-11-29 | 2024-11-29 | Glue port structure, injection molding device and injection molding process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN119635972B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209478844U (en) * | 2019-01-28 | 2019-10-11 | 广州市正业塑料模具有限公司 | A kind of injection mold |
| CN213972346U (en) * | 2020-11-04 | 2021-08-17 | 宏塑光电科技(昆山)有限公司 | Small-point gate |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201645764U (en) * | 2009-11-23 | 2010-11-24 | 英业达股份有限公司 | Runner structure |
| AT516225B1 (en) * | 2014-09-10 | 2018-05-15 | Haidlmair Holding Gmbh | Method and injection molding nozzle for producing plastic injection-molded parts |
| CN115921790B (en) * | 2022-12-26 | 2024-01-23 | 中国航发北京航空材料研究院 | A design method for the gating system of slender and thin-walled blades |
-
2024
- 2024-11-29 CN CN202411745135.0A patent/CN119635972B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN209478844U (en) * | 2019-01-28 | 2019-10-11 | 广州市正业塑料模具有限公司 | A kind of injection mold |
| CN213972346U (en) * | 2020-11-04 | 2021-08-17 | 宏塑光电科技(昆山)有限公司 | Small-point gate |
Also Published As
| Publication number | Publication date |
|---|---|
| CN119635972A (en) | 2025-03-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1121917C (en) | Hot chamber high-pressure metal mold casting method, mold combination and sprue insert combination | |
| CN1329538A (en) | Injection molding cooling core with helical grooves | |
| CN101774258A (en) | Mold and injection molding channel structure thereof | |
| CN101837622A (en) | Injection moulding device and injection moulding method and prepared circular ring plastic product | |
| JP2017527478A (en) | Injection molding nozzle for producing injection molded parts from plastic | |
| CN108437363A (en) | A kind of the injection processing mold and method of sealing ring | |
| CN119635972A (en) | Mouth structure, injection molding device and injection molding process | |
| CN219543975U (en) | Three-cavity tube extrusion molding device | |
| CN101670658B (en) | Plastic bottle preform extrusion forming machine | |
| CN212400208U (en) | Sprue structure for injection mold and injection mold | |
| CN120481209B (en) | Hot runner multipoint injection mold and injection molding method | |
| CN211218626U (en) | Die-casting die for forming fluted disc | |
| CN217648855U (en) | Injection mold for quickly producing special-shaped frame | |
| CN219028204U (en) | Multicavity extrusion die | |
| CN216609864U (en) | A point gate full hot runner mold for PVC pipe fittings | |
| CN115556322A (en) | Injection molding process of high polymer material for automobile plastic parts | |
| CN106738655A (en) | A kind of big specification threeway plastic tube metal die | |
| CN215242692U (en) | Multi-runner insert type mold cooling mechanism | |
| CN221622964U (en) | One-out-two extrusion die for large-specification PVC drain pipe | |
| CN222858638U (en) | A gate structure of a runnerless injection mold | |
| CN213291187U (en) | Novel hot runner structure | |
| CN211440940U (en) | Multi-cavity injection mold | |
| CN217729524U (en) | A PVC pin point hot runner device | |
| CN224145233U (en) | A deburring injection mold | |
| CN219133052U (en) | Injection mold for multi-cavity shell |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |