CN216544541U - Slender children toy demoulding device - Google Patents
Slender children toy demoulding device Download PDFInfo
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- CN216544541U CN216544541U CN202122689109.9U CN202122689109U CN216544541U CN 216544541 U CN216544541 U CN 216544541U CN 202122689109 U CN202122689109 U CN 202122689109U CN 216544541 U CN216544541 U CN 216544541U
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- transfer pipe
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Abstract
The utility model provides a slender children toy demoulding device, belonging to the field of mould manufacturing; the utility model comprises the following steps: fixing a mold; an injection molding die cavity and a heat dissipation cavity are arranged in the fixed die; the heat dissipation cavity is close to and not communicated with the injection mold cavity; a plurality of ultrasonic transducers are arranged in the heat dissipation cavity, and each ultrasonic transducer faces towards the injection molding cavity; and a heat transfer pipe is also fixed on the heat dissipation cavity, one end of the heat transfer pipe is close to the injection molding die cavity, and a radiator is arranged at the other end of the heat transfer pipe. According to the utility model, the heat transfer pipe is arranged in the heat dissipation cavity to rapidly cool the local range of the mold, so that the local stress of the plastic part in the injection mold cavity is uneven, the rapid demolding effect is realized by combining the ultrasonic vibration effect, and the surface adhesion between the plastic part and the fixed mold is not easy to occur.
Description
Technical Field
The utility model relates to a mold manufacturing technology, in particular to a slender children toy demolding device, and belongs to the technical field of injection mold manufacturing.
Background
An injection mold is a tool for producing plastic products, and the products are generally made by rubber injection molding and plastic injection molding; and is also a tool for giving the plastic product complete structure and accurate dimension. Injection molding is a process used to mass produce parts of some complex shapes. Specifically, the 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.
In the prior art, injection molding toys such as magic sticks, battle axes and swords for children are long in length, so that the injection molding toys can be taken out after materials in a mold are cooled after injection molding is finished, the cooling rate is influenced when the temperature is too high, the production efficiency is reduced, and the surfaces of the injection molding toys are easily adhered to the mold; when the temperature is too low, the plastic is shrunk, so that corners are easily scratched and broken during demolding, and the quality of finished products is affected.
Moreover, the cost of the children toy is not high, the product updating period is fast, and a complex mould with a plurality of interfaces for opening and closing the mould is not suitable to be adopted.
Therefore, a device that can be quickly demolded without affecting the quality of plastic part production is desired.
SUMMERY OF THE UTILITY MODEL
The utility model provides a novel slender children toy demoulding device, which reduces the local temperature of a plastic piece through local rapid heat conduction, so that the surface of the plastic piece is not easy to stick to a mould under the action of ultrasonic vibration, and the technical problem of low demoulding quality in the prior art is solved.
The slender children toy demoulding device provided by the embodiment of the utility model comprises: fixing a mold; an injection molding die cavity and a heat dissipation cavity are arranged in the fixed die; the heat dissipation cavity is close to and not communicated with the injection mold cavity;
a plurality of ultrasonic transducers are arranged in the heat dissipation cavity, and each ultrasonic transducer faces towards the injection molding cavity; and a heat transfer pipe is also fixed on the heat dissipation cavity, one end of the heat transfer pipe is close to the injection molding die cavity, and a radiator is arranged at the other end of the heat transfer pipe.
The slender children toy demoulding device comprises a radiating cavity, a radiating cavity and a radiating mechanism, wherein the radiating cavity comprises a bending structure, and two bending surfaces of each bending structure are respectively provided with one ultrasonic transducer; one end of the heat transfer pipe is fixed at the bending part of the bending structure.
The long and thin children toy demoulding device is characterized in that the distance between the bending part of the bending structure and the injection mould cavity is smaller than the distance between the other part of the heat dissipation cavity and the injection mould cavity.
The long and thin children toy demoulding device as described above, wherein the angle of the two folding surfaces of the folding structure is 95-135 degrees.
The slender children toy demoulding device comprises a fixed mould, a fixed mould and a mould cover, wherein the fixed mould is internally provided with a convection cavity; a heat radiation fan is arranged in the convection cavity; the heat dissipation fan is in contact with the heat sink.
The slim children's toy demolding device as described above, wherein the demolding device further comprises: moving the mold; the fixed die is provided with a slide rod, and the movable die is closed with the fixed die through the slide rod so as to form the injection molding die cavity.
The slender children toy demoulding device comprises a movable mould and a mould cavity, wherein the movable mould is provided with a pouring gate, and the pouring gate is communicated with the injection mould cavity.
The slender children toy demoulding device comprises a heat transfer pipe, a cooling pipe and a mould, wherein the heat transfer pipe is a heat conduction copper pipe; the radiator is a finned radiator.
In the embodiment of the utility model, the heat transfer pipe is arranged in the heat dissipation cavity to rapidly cool the local range of the mold, so that the local stress of the plastic part in the injection mold cavity is uneven, the rapid demolding effect is realized by combining the ultrasonic vibration effect, and the surface adhesion between the plastic part and the fixed mold is not easy to occur.
Drawings
Fig. 1 is a side view of an elongated child toy demolding device according to an embodiment of the present invention.
Detailed Description
The slim children toy demoulding device can be made of the following materials, and is not limited to the following materials, for example: steel mould, copper pipe, fan, radiator, ultrasonic transducer, heat transfer copper pipe etc..
FIG. 1 is a side view of an elongated child toy demolding device according to an embodiment of the present invention;
the slender children toy demoulding device provided by the embodiment of the utility model comprises: fixing a mold 2; an injection molding die cavity 10 and a heat dissipation cavity 22 are arranged in the fixed die 2; the heat dissipation cavity 22 is close to and not communicated with the injection mold cavity 10; that is, the injection mold cavity 10 and the heat dissipation chamber 22 are isolated from each other.
A plurality of ultrasonic transducers 3 are arranged in the heat dissipation cavity 22, and each ultrasonic transducer 3 faces the injection molding die cavity 10; a heat transfer pipe 4 is further fixed on the heat dissipation cavity 22, one end of the heat transfer pipe 4 is close to the injection mold cavity 10, and a radiator 5 is arranged at the other end of the heat transfer pipe 4.
In general, the heat transfer pipe 4 is a heat conduction copper pipe, and the heat transfer pipe 4 is filled with a cooling liquid; the radiator 5 is a finned radiator.
The heat transfer pipe is used for rapidly transferring local heat on the fixed die close to the injection molding die cavity to rapidly cool the fixed die, so that the local surface of an injection molding part in the injection molding die cavity is cooled.
At the moment, the ultrasonic transducer is started, and the high-frequency vibration generated by the ultrasonic transducer can generate micro-vibration between the locally cooled plastic part and the mold, so that the plastic part is quickly separated from the mold from a cooling part, and a high-quality surface is obtained during demolding.
In the embodiment of the utility model, the heat transfer pipe is arranged in the heat dissipation cavity to rapidly cool the local range of the mold, so that the local stress of the plastic part in the injection mold cavity is uneven, the rapid demolding effect is realized by combining the ultrasonic vibration effect, and the surface adhesion between the plastic part and the fixed mold is not easy to occur.
In the slender children toy demolding device of the present embodiment, the heat dissipation cavity 22 includes a bending structure 23, and two folding surfaces of each bending structure 23 are provided with one ultrasonic transducer 3; one end of the heat transfer pipe 4 is fixed at the bending part of the bending structure 23, and the other end is connected with the radiator 5.
Further, the distance between the bending position of the bending structure 23 and the injection mold cavity 10 is smaller than the distance between the other part of the heat dissipation cavity 22 and the injection mold cavity 10. That is to say, the design of heat dissipation chamber needs to guarantee that the department of bending is closest to the injection mold die cavity to the local heat in conduction die cavity that more convenient.
Generally, the angle of the two folding surfaces of the folding structure 23 is 95-135 degrees, so that the ultrasonic vibration effect is not interfered with each other, and the surface quality of the demoulded plastic part is improved.
In the slender children toy demolding device of the embodiment, a convection cavity 21 is further arranged in the fixed mold 2; a heat radiation fan 50 is installed in the convection chamber 21; the heat dissipation fan 50 is in contact with the heat sink 5 to better dissipate the heat absorbed by the heat transfer tubes.
The slim children's toy shedder of this embodiment still includes: a movable mold 1; the fixed die 2 is provided with a slide rod, and the movable die 1 is closed with the fixed die 1 through the slide rod so as to form the injection molding die cavity 1.
Further, a pouring gate 11 is arranged on the movable mold 1, and the pouring gate 11 is communicated with the injection mold cavity 10 so as to facilitate the injection of the high-speed molten plastic through the injection molding machine.
In addition, the slender children toy demoulding device is low in manufacturing cost, small and exquisite, compact in structural design, stable in product surface quality, simple to machine, install and control, and suitable for demoulding various injection-molded parts with high requirements on large-volume surfaces.
The above-mentioned serial numbers of the embodiments of the present invention are merely for description and do not represent the merits of the embodiments. Through the above description of the embodiments, those skilled in the art will clearly understand that the above embodiment method can be implemented by some modifications plus the necessary general technical overlap; of course, the method can also be realized by simplifying some important technical features in the upper level. Based on such understanding, the technical solution of the present invention essentially or contributing to the prior art is: overall function and construction, and to cooperate with the structure described in the various embodiments of the present invention.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (8)
1. An elongated children's toy demolding device, comprising: fixing a mold; an injection molding die cavity and a heat dissipation cavity are arranged in the fixed die; the heat dissipation cavity is close to and not communicated with the injection mold cavity;
a plurality of ultrasonic transducers are arranged in the heat dissipation cavity, and each ultrasonic transducer faces towards the injection molding cavity; and a heat transfer pipe is also fixed on the heat dissipation cavity, one end of the heat transfer pipe is close to the injection molding die cavity, and a radiator is arranged at the other end of the heat transfer pipe.
2. The elongated children's toy demolding device according to claim 1, wherein the heat dissipation cavity comprises a bending structure, and one ultrasonic transducer is arranged on each of two bending surfaces of the bending structure; one end of the heat transfer pipe is fixed at the bending part of the bending structure.
3. The elongated children's toy demolding device according to claim 2, wherein a distance between a bending part of the bending structure and the injection mold cavity is smaller than a distance between other parts of the heat dissipation cavity and the injection mold cavity.
4. The elongated children's toy demolding device according to claim 2, wherein an angle of two folding faces of the bending structure is 95-135 degrees.
5. The elongated children's toy demolding device according to any one of claims 1-3, wherein a convection cavity is further provided in the stationary mold; a heat radiation fan is arranged in the convection cavity; the heat dissipation fan is in contact with the heat sink.
6. The elongated children's toy demolding device of any one of claims 1-3, further comprising: moving the mold; the fixed die is provided with a slide rod, and the movable die is closed with the fixed die through the slide rod so as to form the injection molding die cavity.
7. The elongated children's toy demolding device according to claim 6, wherein the movable mold is provided with a sprue in communication with the injection mold cavity.
8. The elongated children's toy demolding device according to any one of claims 1-3, wherein the heat transfer pipe is a heat conduction copper pipe, and the heat transfer pipe is filled with a cooling liquid; the radiator is a finned radiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122689109.9U CN216544541U (en) | 2021-11-04 | 2021-11-04 | Slender children toy demoulding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122689109.9U CN216544541U (en) | 2021-11-04 | 2021-11-04 | Slender children toy demoulding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216544541U true CN216544541U (en) | 2022-05-17 |
Family
ID=81569741
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122689109.9U Active CN216544541U (en) | 2021-11-04 | 2021-11-04 | Slender children toy demoulding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216544541U (en) |
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2021
- 2021-11-04 CN CN202122689109.9U patent/CN216544541U/en active Active
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