CN219311876U

CN219311876U - Heating die

Info

Publication number: CN219311876U
Application number: CN202223251127.XU
Authority: CN
Inventors: 袁胜波
Original assignee: Dongguan Huimu Photoelectric Co ltd
Current assignee: Dongguan Huimu Photoelectric Co ltd
Priority date: 2022-12-01
Filing date: 2022-12-01
Publication date: 2023-07-07
Anticipated expiration: 2032-12-01

Abstract

The utility model relates to the technical field of dies, in particular to a heating die, which comprises a rear blank die, a front blank die arranged on the rear blank die, a heating mechanism arranged on the front blank die and a main flow channel arranged on the heating mechanism, wherein at least one injection cavity is formed between the front blank die and the rear blank die; the heating mechanism is communicated with the main runner and used for heating and shunting raw materials into the injection molding cavity. According to the utility model, the heating mechanism is arranged, so that the raw materials can be heated, and the raw materials are prevented from being cooled in the injection molding process, so that the injection molding effect is affected, and the injection molding effect is improved.

Description

Heating die

Technical Field

The utility model relates to the technical field of dies, in particular to a heating die.

Background

Injection molding refers generally to injection molding. Injection molding, also known as injection molding, is a method of injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation in operation, multiple patterns, various shapes, large size, accurate product size, easy updating of the product, and capability of forming parts with complex shapes, and is suitable for the field of mass production, products with complex shapes and other molding processing.

The existing injection mold generally comprises a bottom plate, a thimble mechanism arranged on the bottom plate, a front blank mold arranged on the thimble mechanism and a rear blank mold arranged on the front blank mold, when injection molding is performed, raw materials are injected into the rear blank mold through an injection molding machine, the front blank mold and the rear blank mold are separated after cooling, then a molded product is ejected out through the thimble mechanism, the injection molding machine generally utilizes an injection molding cylinder provided with a screw rod to inject the raw materials into the front blank mold, and in the injection molding process, when the pushing of the raw materials occurs in the injection molding cylinder or the injection molding cylinder is formed too long, the injected raw materials are cooled, so that the injection molding effect is affected, and therefore, a solution is necessary to be studied.

Disclosure of Invention

Based on the above, the utility model provides a heating die to solve the problem that the raw materials are cooled in the injection molding process, so that the injection molding effect is affected.

In order to solve the technical problems, the utility model adopts the following technical scheme: the heating die comprises a rear blank die, a front blank die arranged on the rear blank die, a heating mechanism arranged on the front blank die and a main runner arranged on the heating mechanism, wherein at least one injection cavity is formed between the front blank die and the rear blank die; the heating mechanism is communicated with the main runner and used for heating and shunting raw materials into the injection molding cavity.

Preferably, the heating mechanism comprises an installation box arranged on the front blank mold, a heat conductor arranged in the installation box, a heating body arranged on the heat conductor and a split runner arranged on the heat conductor, wherein the heat conductor is wound on the side of the split runner, the main runner is communicated with the split runner through the heat conductor, and the split runner is communicated with the injection molding cavity.

Preferably, the heating body is an electric heating tube, and the installation box is provided with a power supply device for supplying power to the electric heating tube.

Preferably, the heating mechanism is provided with a panel, the panel is provided with a positioning ring, and the positioning ring is communicated with the main runner.

Preferably, the heating mold comprises a bottom plate, a thimble mechanism arranged on the bottom plate and a connecting plate arranged on the thimble mechanism, the rear blank mold is arranged on the connecting plate, and the thimble mechanism is used for ejecting an injection molding finished product out of the injection molding cavity.

Preferably, the ejector pin mechanism comprises a die foot arranged on the bottom plate and an ejector pin assembly arranged in the die foot, the connecting plate is arranged on the die foot, and the ejector pin assembly is used for ejecting the injection molding finished product out of the injection molding cavity.

Preferably, the ejector pin assembly comprises a push plate arranged in the die foot, an elastic piece connected with the push plate and the connecting plate, a return pin connected with the push plate and the rear blank die and an ejector pin arranged on the push plate, wherein the return pin penetrates through the connecting plate, and the ejector pin penetrates through the bottom plate.

The beneficial effects of the utility model are as follows: according to the utility model, the heating mechanism is arranged, so that the raw materials can be heated, and the raw materials are prevented from being cooled in the injection molding process, so that the injection molding effect is affected, and the injection molding effect is improved.

Drawings

FIG. 1 is a schematic view showing the overall structure of a heating mold according to an embodiment of the present utility model;

fig. 2 is a schematic view showing the overall structure of the heating die according to another view angle of the embodiment of the present utility model.

Reference numerals illustrate: 10. a rear blank mold; 20. a front blank mold; 30. a heating mechanism; 31. a mounting box; 31. a heat conductor; 32. a heating body; 33. a sub-runner; 40. a main flow passage; 50. a power supply; 60. a bottom plate; 70. a thimble mechanism; 71. a mold foot; 72. a push plate; 74. cutting in a return mode; 80. a connecting plate; 90. a panel; 91. and a positioning ring.

Detailed Description

The present utility model will be described more fully hereinafter in order to facilitate an understanding of the present utility model. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

Referring to fig. 1 to 2, a heating mold is characterized by comprising a rear blank mold 10, a front blank mold 20 arranged on the rear blank mold 10, a heating mechanism 30 arranged on the front blank mold 20, and a main flow channel 40 arranged on the heating mechanism 30, wherein at least one injection cavity is formed between the front blank mold 20 and the rear blank mold 10; the heating mechanism 30 communicates with the main flow channel 40 for heating and diverting the raw material into the injection cavity. Specifically, when injection molding is required, the injection molding machine is used for injecting raw materials into the main runner 40, the raw materials can enter the injection molding cavity through the heating mechanism 30, and in the process, the heating mechanism 30 can heat the raw materials, so that the raw materials are prevented from being cooled in the injection molding process, the injection molding effect is affected, and the injection molding effect is improved.

Further, in the present embodiment, the heating mechanism 30 includes a mounting box 31 disposed on the preform mold 20, a heat conductor 31 disposed in the mounting box 31, a heating body 32 disposed on the heat conductor 31, and a split channel 33 disposed on the heat conductor 31, the heat conductor 31 is wound around the side of the split channel 33, the main channel 40 is communicated with the split channel 33 through the heat conductor 31, and the split channel 33 is communicated with the injection cavity. Specifically, when the heating of the material is required, the heat conductor 31 is heated by the heating body 32, and after the heat conductor 31 is heated, heat energy is transferred to the main flow channel and the branch flow channel 33, so that the raw material flowing through the main flow channel 40 and the branch flow channel 33 can be heated.

Further, in the present embodiment, the heating body 32 is an electrothermal tube, and the mounting case 31 is provided with a power supply 50 for supplying power to the electrothermal tube. Specifically, when the heat conductor 31 needs to be heated in operation, the power supply 50 provides power for the electric heating tube, so that the electric heating tube can be electrified to generate heat, and the electric heating tube can transfer heat energy to the heat conductor 31, so that the heat conductor 31 can transfer heat energy to the raw materials of the main runner 40 and the shunt runner 33.

Further, in the present embodiment, the heating mechanism 30 is provided with a panel 90, and the panel 90 is provided with a positioning ring 91, and the positioning ring 91 communicates with the main flow passage 40. So set up, when the injection molding machine pours into the raw materials into when needs, aim at the holding ring 91 with the injection molding machine's injection molding section of thick bamboo, be convenient for pour into the raw materials into main runner 40 into, improved injection molding efficiency.

Further, in the present embodiment, the heating mold includes a bottom plate 60, a thimble mechanism 70 disposed on the bottom plate 60, and a connecting plate 80 disposed on the thimble mechanism 70, and the rear blank mold 10 is disposed on the connecting plate 80, and the thimble mechanism 70 is used for ejecting the injection molding product from the injection molding cavity. Specifically, during operation, after injection molding is completed, when demolding is required, the rear blank mold 10 and the front blank mold 20 are separated by the injection molding machine, and then the ejector pin mechanism 70 is started, so that the ejector pin mechanism 70 ejects the injection molded product from the injection molding cavity

Further, in the present embodiment, the ejector mechanism 70 includes a mold foot 71 disposed on the bottom plate 60 and an ejector pin assembly disposed in the mold foot 71, the connecting plate 80 is disposed on the mold foot 71, and the ejector pin assembly is used for ejecting the injection molding product from the injection molding cavity. After injection molding is finished, when demolding is needed, the rear blank mold 10 and the front blank mold 20 are separated through an injection molding machine, and then the ejector pin assembly is started, so that an injection molding finished product can be ejected out of the injection molding cavity through the ejector pin assembly.

Further, in the present embodiment, the ejector pin assembly includes a push plate 72 provided in the mold foot 71, an elastic member (not shown) connecting the push plate 72 and the connecting plate 80, a return pin (not shown) connecting the push plate 72 and the rear blank mold 10, and an ejector pin (not shown) provided on the push plate 72, the return pin penetrating through the connecting plate 80, the ejector pin penetrating through the bottom plate 60. Specifically, the elastic element includes a spring that is arranged on the return pin, after injection molding is completed, the injection molding machine separates the rear blank mold 10 from the front blank mold 20, and drives the bottom plate 60 to be away from the front blank mold 20, when the ejector pin collides with the injection molding machine, the push plate 72 is pushed, the ejector pin is pushed by the push plate 72, and after the ejector pin is pushed, the return pin is pushed to penetrate into the injection molding cavity, so that the injection molding product can be ejected from the injection molding cavity.

The following provides a complete description of the implementation principle of the present embodiment: when injection molding is required, the injection molding cylinder of the injection molding machine is aligned with the positioning ring 91, raw materials are injected into the main runner 40, and then enter the injection molding cavity through the main runner 40 and the shunt runner 33, in the process, the power supply 50 is used for supplying power to the electric heating tube, so that the electric heating tube can be electrified to generate heat, the electric heating tube can transfer heat energy to the heat conductor 31, and after the heat conductor 31 is heated, the heat energy is transferred to the main runner 33, so that the raw materials flowing through the main runner 40 and the shunt runner 33 can be heated. After injection molding is completed, the injection molding machine separates the rear blank mold 10 from the front blank mold 20, and drives the bottom plate 60 to be far away from the front blank mold 20, when the ejector pins collide with the injection molding machine, the ejector plate 72 is pushed, the ejector pins are pushed after the ejector plate 72 is pushed, the return pins are pushed to penetrate into the injection molding cavity after the ejector pins are pushed, and thus, the injection molding product can be ejected from the injection molding cavity

Thereby obtaining the beneficial effects: according to the utility model, the heating mechanism 30 is arranged, so that raw materials can be heated, and the raw materials are prevented from being cooled in the injection molding process, so that the injection molding effect is affected, and the injection molding effect is improved.

The foregoing examples illustrate only a few embodiments of the utility model and are described in detail herein without thereby limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. The heating die is characterized by comprising a rear blank die, a front blank die arranged on the rear blank die, a heating mechanism arranged on the front blank die and a main flow channel arranged on the heating mechanism, wherein at least one injection cavity is formed between the front blank die and the rear blank die; the heating mechanism is communicated with the main runner and used for heating and shunting raw materials into the injection molding cavity.

2. The heated die of claim 1 wherein: the heating mechanism comprises an installation box arranged on the front blank die, a heat conductor arranged in the installation box, a heating body arranged on the heat conductor and a split flow channel arranged on the heat conductor, wherein the heat conductor is wound on the side of the split flow channel, the main flow channel is communicated with the split flow channel through the heat conductor, and the split flow channel is communicated with the injection molding cavity.

3. A heated die as defined in claim 2, wherein: the heating body is an electric heating tube, and the installation box is provided with a power supply device for supplying power to the electric heating tube.

4. The heated die of claim 1 wherein: the heating mechanism is provided with a panel, the panel is provided with a positioning ring, and the positioning ring is communicated with the main runner.

5. The heated die of any of claims 1-4 wherein: the heating die comprises a bottom plate, a thimble mechanism arranged on the bottom plate and a connecting plate arranged on the thimble mechanism, wherein the rear blank die is arranged on the connecting plate, and the thimble mechanism is used for ejecting an injection molding finished product out of the injection molding cavity.

6. The heated die of claim 5 wherein: the ejector pin mechanism comprises a die foot arranged on the bottom plate and an ejector pin assembly arranged in the die foot, the connecting plate is arranged on the die foot, and the ejector pin assembly is used for ejecting the injection molding finished product out of the injection molding cavity.

7. The heated die of claim 6 wherein: the ejector pin assembly comprises a push plate arranged in the die foot, an elastic piece connected with the push plate and the connecting plate, a return pin connected with the push plate and the rear blank die and an ejector pin arranged on the push plate, wherein the return pin penetrates through the connecting plate, and the ejector pin penetrates through the bottom plate.