CN219236015U - Mould with cold material glue mouth - Google Patents
Mould with cold material glue mouth Download PDFInfo
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- CN219236015U CN219236015U CN202320118646.4U CN202320118646U CN219236015U CN 219236015 U CN219236015 U CN 219236015U CN 202320118646 U CN202320118646 U CN 202320118646U CN 219236015 U CN219236015 U CN 219236015U
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- injection channel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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Abstract
The utility model discloses a mold with a cold material glue port, which comprises: the mold comprises a male mold, wherein the male mold is spliced with a female mold, and a product mold is arranged between the male mold and the female mold; an opposite joint, a cold material glue inlet and a male die glue inlet are respectively formed on the feeding end face of the male die, a first glue injection channel and a second glue injection channel are respectively formed between the cold material glue inlet and the male die glue inlet and the opposite joint, and the first glue injection channel is not communicated with the opposite joint; the second glue injection channel is communicated with the butt joint opening, a sliding groove is formed in the male die body at the bottom of the cold material glue opening, a thimble capable of sliding up and down is arranged in the sliding groove, after injection molding is completed, in the buffer time of products taken by an external mechanical hand, air is generated at the contact point of the injection molding machine injection nozzle and the mold injection nozzle, so that cold material is formed, the injection molding machine injection nozzle is introduced into the cold material glue opening, the cold material is injected into the cold material glue opening, and after the cold material is cooled, the thimble falls off after the cold material is ejected out by the external mechanical hand.
Description
Technical Field
The utility model relates to the technical field of injection molding, in particular to a mold with a cold material glue port.
Background
Injection molding is a process commonly used in the current industrial production, and the principle is that a plastic raw material is heated to be in a molten state, so as to obtain a melt formed by the plastic raw material, and an injection molding machine injects the melt into a mold prepared in advance to obtain a product after cooling. In the traditional injection molding process, a glue inlet is used for injecting glue, air is generated at a contact point of a nozzle of an injection molding machine and a filling nozzle of a mold to form cold materials, the cold materials are mixed with hot materials to cause products to be difficult to fuse and form a fusion line, the produced products are uneven in texture, the quality and the qualification rate of the products are affected, and the common processing method comprises the following steps: and (3) adjusting the forming process, increasing the temperature of a material pipe of the injection molding machine, increasing the temperature of a mold, and additionally arranging an air entraining groove on the opposite side of a glue inlet of the product mold.
However, the forming process adjustment treatment method has certain defects, such as: the molding time is long, the productivity is low, the appearance of the product is defective, and the performance is unstable; the mold is additionally provided with the air entraining groove, so that the production time of the mold is too long, and the air entraining groove of the product mold remains gas, so that the product is unstable in molding, and the mold surface needs to be cleaned manually frequently.
Therefore, how to reduce the influence of cold materials on the molding of products in injection molding is a problem to be solved.
Disclosure of Invention
The utility model aims to solve the problems and provide a mold with a cold material glue port.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the mold with the cold material glue port is characterized by comprising a male mold, wherein the male mold and a female mold are spliced for use, and a product mold is arranged between the male mold and the female mold;
an opposite joint, a cold material glue inlet and a male die glue inlet are respectively formed on the feeding end face of the male die, a first glue injection channel and a second glue injection channel are respectively formed between the cold material glue inlet and the male die glue inlet and the opposite joint, and the first glue injection channel is not communicated with the opposite joint; the second glue injection channel is communicated with the butt joint opening;
the female die glue inlet is formed on the feeding end face of the female die respectively, and the female die glue inlet and the male die glue inlet are spliced to form a circular glue inlet for cooperation.
Furthermore, the first glue injection channel and the second glue injection channel are tapered channels gradually reduced along the injection molding direction, and the included angle between the central axes of the first glue injection channel and the second glue injection channel and the horizontal direction is 25-35 degrees.
Further, the diameters of the discharge ports of the first glue injection channel and the second glue injection channel are 0.15-0.20 mm.
Further, a sliding groove is formed in the male die body at the bottom of the cold material glue port, and a thimble capable of sliding up and down is arranged in the sliding groove.
Furthermore, positioning tables are respectively formed on the side walls of the male die and the female die.
Further, the thimble is a cylinder, and the diameter of the thimble is 1.20mm.
Compared with the prior art, the utility model has the beneficial effects that:
when the injection molding machine injects the sizing material for molding, the sizing material injected in the first section is cold material, the cold material is injected into the mold cavity, the cold material rubber opening is added opposite to the mold rubber inlet, the injected first section cold material is hidden in the mold cold material rubber opening, and the uniformity of the material is affected due to the temperature difference.
Drawings
FIG. 1 is a schematic diagram of a mold with a cold glue gate according to the present utility model;
FIG. 2 is a top view of a mold with a cold glue gate according to the present utility model;
FIG. 3 is a cross-sectional view of a mold with a cold charge nozzle according to the present utility model;
FIG. 4 is a schematic diagram of a master mold according to the present utility model.
Detailed Description
The present utility model is described in detail below with reference to the drawings so that advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and unambiguous the scope of the present utility model.
Referring to fig. 1 to 4, a mold with a cold material glue hole comprises a male mold 1, wherein the male mold 1 and a female mold 2 are spliced and used, a product mold 4 is arranged between the male mold 1 and the female mold 2, before an injection molding process is performed, the product mold 4 is arranged on the female mold 2 by 8 inserts, then the male mold 1 and the female mold 2 are in butt joint and fixed with the end faces of the product mold 4, the two end faces of the middle part of the product mold 4 are the shape of a product required after injection molding, and the shape can be changed according to actual needs;
an opposite joint 1-1, a cold material rubber inlet 1-2 and a male mold rubber inlet 1-3 are respectively formed on the feeding end surface of the male mold 1, a first rubber injection channel 1-2-1 and a second rubber injection channel 1-3-1 are respectively formed between the cold material rubber inlet 1-2 and the male mold rubber inlet 1-3 and the opposite joint 1-1, and the first rubber injection channel 1-2-1 is not communicated with the opposite joint 1-1; the second glue injection channel 1-3-1 is communicated with the opposite interface 1-1, the shape and the size of the first glue injection channel 1-2-1 are completely consistent with those of the second glue injection channel 1-3-1, so that an external injection molding machine cannot be extended into the injection molding process due to the size difference when performing injection molding, the first glue injection channel 1-2-1 is used for storing cold materials of which the injection gun is placed in air for cooling, the first glue injection channel 1-2-1 is not communicated with the opposite interface 1-1 in order to prevent the cold materials from entering a mold, and after the cold materials are input into the cold material glue port 1-2, hot materials are subjected to injection molding through the second glue injection channel 1-3-1 communicated with the opposite interface 1-1;
a female die glue inlet 2-1 is formed on the feeding end face of the female die 2, and the female die glue inlet 2-1 and the male die glue inlet 1-3 are spliced to form a circular glue inlet for cooperation.
In order to better implement the utility model, the first glue injection channel 1-2-1 and the second glue injection channel 1-3-1 are tapered channels which are gradually reduced along the injection molding direction so as to facilitate demoulding, so that glue stock is prevented from being blocked in the channels and can not be pulled out, the included angle between the central axes of the first glue injection channel 1-2-1 and the second glue injection channel 1-3-1 and the horizontal direction is 25-35 degrees, the included angle between the first glue injection channel 1-2-1 and the second glue injection channel 1-3-1 and the horizontal direction is 25-35 degrees, and optimally is 30 degrees, and the external injection molding machine can better facilitate injection molding of the mould.
In order to better implement the utility model, the diameters of the discharge ports of the first glue injection channel 1-2-1 and the second glue injection channel 1-3-1 are 0.15-0.20 mm, and the optimal diameter is 0.20mm, the oversized discharge ports easily increase the contact area between the discharge part and the air, so that the temperature is uneven, the injection molding time is long, and the temperature of the glue stock is uneven, so that the quality is affected.
In order to better implement the utility model, the bottom of the cold material glue port 1-2 is provided with a sliding groove 1-5, the sliding groove 1-5 is internally provided with a thimble 1-4 which can slide up and down, and the cold material is ejected out by the vertical sliding of the thimble 1-4.
In order to better implement the utility model, the thimble 1-4 is a cylinder, the diameter of the thimble 1-4 is 1.20mm, so as to prevent cold material from adhering to the cold material glue port 1-2 and not falling off, external equipment in the prior art can be connected with the thimble, such as a mechanical arm, the thimble 1-4 slides up and down to push out the cold material and then falls off, the thimble 1-4 can not fall off because the cold material is adhered to the inside of the cold material glue port 1-2 after being injected, and the cylindrical thimble 1-4 is more convenient to separate after being adhered, so that the falling off efficiency is improved.
To sum up: when the utility model is used, the end face of the product mold 4 is respectively clamped with the male mold 1 and the female mold 2, then an external injection molding machine carries out an injection molding process through the male mold glue inlet 1-3, after injection molding is finished, air is generated at the contact point of the injection molding machine nozzle and the mold nozzle in the buffer time of taking out the product, so that cold materials are formed, the injection molding machine nozzle is introduced into the cold material glue inlet 1-2, the cold materials are injected into the cold material glue inlet 1-2, and after the cold materials are cooled, the ejector pins 1-4 eject the cold materials by using the external machine and then fall off.
While the utility model has been described with respect to specific embodiments thereof, it will be apparent to those skilled in the art that various modifications and alterations can be made without departing from the principles of the utility model, and such modifications and alterations are also considered to be within the scope of the utility model.
Claims (6)
1. The mold with the cold material glue opening is characterized by comprising a male mold (1), wherein the male mold (1) is spliced with a female mold (2), and a product mold (4) is arranged between the male mold (1) and the female mold (2);
a butt joint opening (1-1), a cold material glue opening (1-2) and a male die glue inlet (1-3) are respectively formed on the feeding end surface of the male die (1), a first glue injection channel (1-2-1) and a second glue injection channel (1-3-1) are respectively formed between the cold material glue opening (1-2) and the male die glue inlet (1-3) and the butt joint opening (1-1), and the first glue injection channel (1-2-1) is not communicated with the butt joint opening (1-1); the second glue injection channel (1-3-1) is communicated with the butt joint (1-1);
a female die glue inlet (2-1) is formed in the feeding end face of the female die (2) respectively, and the female die glue inlet (2-1) and the male die glue inlet (1-3) are spliced to form a circular glue inlet for matching use.
2. A mould with cold glue ports according to claim 1, characterized in that the first glue injection channel (1-2-1) and the second glue injection channel (1-3-1) are tapered channels gradually decreasing along the injection direction, and the central axes of the first glue injection channel (1-2-1) and the second glue injection channel (1-3-1) are inclined at an angle of 25-35 degrees with the horizontal direction.
3. A mould with cold glue ports according to claim 1, characterized in that the diameter of the outlet ports of the first glue injection channel (1-2-1) and the second glue injection channel (1-3-1) is 0.15-0.20 mm.
4. A mould with a cold material glue mouth as claimed in claim 1, characterized in that a sliding groove (1-5) is arranged on the male mould (1) body at the bottom of the cold material glue mouth (1-2), and a thimble (1-4) capable of sliding up and down is arranged in the sliding groove (1-5).
5. A mould with cold glue mouth according to claim 1, characterized in that the side walls of the male mould (1) and the female mould (2) are respectively formed with positioning tables (3).
6. A mould with a cold glue gate according to claim 4, characterized in that the ejector pins (1-4) are cylindrical, the diameter of the ejector pins (1-4) being 1.20mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118646.4U CN219236015U (en) | 2023-02-06 | 2023-02-06 | Mould with cold material glue mouth |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320118646.4U CN219236015U (en) | 2023-02-06 | 2023-02-06 | Mould with cold material glue mouth |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219236015U true CN219236015U (en) | 2023-06-23 |
Family
ID=86808374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320118646.4U Active CN219236015U (en) | 2023-02-06 | 2023-02-06 | Mould with cold material glue mouth |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219236015U (en) |
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2023
- 2023-02-06 CN CN202320118646.4U patent/CN219236015U/en active Active
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