Automobile lamp mold

By introducing cooling components and annular flow channels into automotive headlight molds, and utilizing the circulating flow of coolant for rapid cooling, the problem of low mold cooling efficiency is solved, thereby improving production efficiency and safety.

CN223685941UActive Publication Date: 2025-12-19DONGGUAN GULI PRECISION MOULD CO LTD
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Patent Information

Application Number
CN202423076233.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-13
Publication Date
2025-12-19
Estimated Expiration
2034-12-13

AI Technical Summary

Technical Problem

Existing automotive headlight molds have low cooling efficiency after injection molding, resulting in reduced production efficiency.

Method used

Design an automotive headlight mold, including an upper mold base and a lower mold base, with a cooling component inside. Coolant circulates in an annular flow channel to quickly absorb and dissipate heat, thereby improving heat dissipation efficiency.

Benefits of technology

This technology enables rapid cooling, improving the production efficiency and safety of finished automotive lights.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of dies, and discloses an automobile lamp die which comprises a lower die base and an upper die base matched with the lower die base, a lower die cavity is defined in the lower die base, an upper die cavity is defined in the upper die base, and under the condition that the upper die base is in butt joint with the lower die base, the lower die base is in butt joint with the upper die cavity. The upper die cavity and the lower die cavity jointly define a forming space used for forming an automobile lamp. The automobile lamp mold further comprises a cooling assembly, the cooling assembly comprises a first cooling unit, the first cooling unit comprises a first liquid inlet pipe and a first liquid outlet pipe which are arranged on the same side in a spaced and side-by-side mode, a first flow channel which is annularly arranged is arranged in the lower mold base in the circumferential direction of the lower mold base, and the first flow channel is located on the periphery of the lower mold cavity. The first liquid inlet pipe penetrates through the lower die base and communicates with the first runner, and the first liquid outlet pipe penetrates through the lower die base and communicates with the first runner. The automobile lamp mold is simple in structure and convenient to operate, the heat dissipation efficiency of finished automobile lamps can be improved, and workers can take the finished automobile lamps more safely.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mould technical field especially is related to a car headlamp mould. BACKGROUND

[0002] The car headlamp is the equipment of vehicle lighting, and the shape of the transparent shell of the car headlamp is divided into various models according to the design of vehicle manufacturers, and the car lamp shell of different models needs to be produced by special mould injection. The production equipment of the existing car headlamp mould needs to be cooled when the product injection is just completed, but the cooling efficiency is low, the time consumption is poor, and the production efficiency of the car headlamp is reduced. SUMMARY

[0003] In order to solve the above technical problems or at least partially solve the above technical problems, the application provides a car headlamp mould.

[0004] The application provides a car headlamp mould, which comprises a lower die seat and an upper die seat matched with the lower die seat, the inside of the lower die seat is limited to form a lower die cavity, the inside of the upper die seat is limited to form an upper die cavity, and the upper die cavity and the lower die cavity jointly form a forming space for forming a car headlamp when the upper die seat and the lower die seat are opposite.

[0005] The car headlamp mould further comprises a cooling assembly, the cooling assembly comprises a first cooling unit, the first cooling unit comprises a first liquid inlet pipe and a first liquid outlet pipe which are spaced and arranged on the same side, the inside of the lower die seat is provided with a first flow channel in the form of an annular along the circumference thereof, the first flow channel is located at the periphery of the lower die cavity, the first liquid inlet pipe penetrates through the lower die seat and is communicated with the first flow channel, and the first liquid outlet pipe penetrates through the lower die seat and is communicated with the first flow channel, so that the cooling liquid flowing into the first flow channel forms a flowing state.

[0006] In a possible implementation, the cooling assembly further comprises a second cooling unit, the second cooling unit comprises a second liquid inlet pipe and a second liquid outlet pipe which are spaced and arranged on the same side, the inside of the upper die seat is provided with a second flow channel in the form of an annular along the circumference thereof, the second flow channel is located at the periphery of the upper die cavity, the second liquid inlet pipe penetrates through the top of the upper die seat and is communicated with the second flow channel, and the second liquid outlet pipe penetrates through the top of the upper die seat and is communicated with the second flow channel, so that the cooling liquid flowing into the second flow channel forms a flowing state.

[0007] In a possible implementation, the outer surface of the lower die seat and / or the upper die seat is provided with at least one injection hole, and the injection hole is communicated with the forming space.

[0008] In a possible implementation, a plurality of guide columns are further included, which are distributed at the corners of the lower die seat and extend vertically upward, and the corners of the upper die seat are provided with guide holes matched with the guide columns.

[0009] In a possible implementation, a butt joint groove is formed on the outer edge of the lower end of the upper die seat, and a butt joint protrusion matched with the butt joint groove is formed on the outer edge of the upper end of the lower die seat.

[0010] In a possible implementation, the front surface and the rear surface of the upper die seat are both provided with a holding frame, which includes two vertical bars fixed on the outer surface of the upper die seat and a horizontal bar connected to the two vertical bars.

[0011] In a possible implementation, a base is connected to the lower surface of the lower die seat, and the base is used to support the lower die seat.

[0012] In a possible implementation, an exhaust valve is further included, and the lower die seat is provided with a gas outlet hole communicated with the molding space, and the exhaust valve is arranged at the gas outlet hole to exhaust the gas in the molding space.

[0013] Compared with the prior art, the above technical solution provided by the embodiments of the present application has the following advantages:

[0014] By fitting the upper die seat and the lower die seat, the upper die cavity and the lower die cavity form a molding space for molding the automobile lamp, and after the injection molding is completed, the cooling liquid is introduced from the first liquid inlet pipe to flow into the first flow channel, thereby absorbing the heat generated in the molding process, and then the cooling liquid flows out from the first liquid outlet pipe, so that the cooling liquid can be quickly cooled by circulating flow, the structure is simple, the operation is convenient, and the efficiency of heat dissipation of the automobile lamp product is improved, so that the worker can take the automobile lamp product more safely. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 is an automobile lamp mold according to an embodiment of the present application;

[0016] Figure 2 is a structural schematic view of a lower mold in an automobile lamp mold according to an embodiment of the present application;

[0017] Figure 3 is a structural schematic view of an upper mold in an automobile lamp mold according to an embodiment of the present application.

[0018] REFERENCE NUMERALS:

[0019] 10, lower mold; 10a, lower mold cavity; 11, injection hole; 12, butt joint groove; 20, upper mold; 20a, upper mold cavity; 21, guide hole; 22, butt joint protrusion; 30, first cooling unit; 31, first liquid inlet pipe; 32, first liquid outlet pipe; 40, second cooling unit; 41, second liquid inlet pipe; 42, second liquid outlet pipe; 50, holding frame; 51, vertical bar; 52, horizontal bar; 60, guide column. DETAILED DESCRIPTION

[0020] In order to have a clearer understanding of the technical features, objectives and effects of the present application, the specific embodiments of the present application will be described in detail with reference to the drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "upper", "lower", "left", "right", "vertical", "horizontal", "vertical", "horizontal", "top", "bottom", "inner", "outer", "head", "tail" and the like are based on the directions or positional relationships shown in the drawings, constructed and operated in a particular direction, and are only for the convenience of describing the present technical solution, and are not intended to indicate that the indicated device or element must have a particular direction, therefore it cannot be understood as a limitation of the present application.

[0021] It should also be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing", "setting" and the like should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements or the interaction relationship between two elements. When an element is referred to as "on" or "below" another element, the element can be "directly" or "indirectly" above the other element, or there can be one or more intervening elements. The terms "first", "second", "third" and the like are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features, therefore, the features with "first", "second", "third" and the like can be explicitly or implicitly include one or more of the features. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0022] In the following description, specific details are presented to facilitate a thorough understanding of the present application, but the present application can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits and methods are omitted to avoid unnecessary details that hinder the description of the present application.

[0023] AsFigure 1 and Figure 2 As shown in the figure, the utility model discloses a car lamp mould, including lower die seat 10 and with lower die seat 10 cooperate upper die seat 20, the inside of lower die seat 10 is defined and forms lower die cavity 10a, the inside of upper die seat 20 is defined and forms upper die cavity 20a, under the condition of upper die seat 20 and lower die seat 10 relative interface, upper die cavity 20a and lower die cavity 10a jointly enclose the forming space for the forming car lamp. That is to say, by the inside of upper die seat 20 is defined and forms upper die cavity 20a, and the inside of lower die seat 10 is defined and forms lower die cavity 10a, so that after the adhesion of upper die seat 20 and lower die seat 10, upper die cavity 20a and lower die cavity 10a enclose a forming space, then pouring is carried out to the forming space, to form the new car lamp product in the forming space.

[0024] Specifically, the car lamp mould further includes a cooling assembly, the cooling assembly includes a first cooling unit 30, the first cooling unit 30 includes a first liquid inlet pipe 31 and a first liquid outlet pipe 32 spaced and arranged on the same side, the inside of the lower die seat 10 is provided with a first flow channel in the form of an annular along its circumferential direction, the first flow channel is located at the periphery of the lower die cavity 10a, the first liquid inlet pipe 31 penetrates the lower die seat 10 and is connected with the first flow channel, the first liquid outlet pipe 32 penetrates the lower die seat 10 and is connected with the first flow channel, so that the cooling liquid flowing into the first flow channel forms a flowing state. It should be noted that the "cooling liquid" mentioned above can use cooling water, and other cooling substances that can absorb heat and flow are also available, which are not limited.

[0025] Based on the above technical features of the car lamp mould, by fitting the upper die seat 20 and the lower die seat 10, the upper die cavity 20a and the lower die cavity 10a enclose a forming space for forming a car lamp, after injection molding is completed, cooling liquid is introduced from the first liquid inlet pipe 31, so that the cooling liquid flows into the first flow channel, thereby absorbing the heat generated during the molding process, and then flows out from the first liquid outlet pipe 32, so that the cooling liquid can be quickly cooled by circulating flow, the structure is simple, the operation is convenient, and the efficiency of the lamp product heat dissipation is improved, so that the worker takes the lamp product more safely.

[0026] In a possible implementation, the cooling assembly further comprises a second cooling unit 40, the second cooling unit 40 comprising a second liquid inlet pipe 41 and a second liquid outlet pipe 42 arranged in parallel on the same side, and the interior of the upper die holder 20 is provided with a second flow channel in the form of a ring along the circumference thereof, the second flow channel being located at the periphery of the upper die cavity 20a, the second liquid inlet pipe 41 penetrating through the top of the upper die holder 20 and being in communication with the second flow channel, and the second liquid outlet pipe 42 penetrating through the top of the upper die holder 20 and being in communication with the second flow channel, so that the cooling liquid flowing into the second flow channel can absorb the heat transferred to the lower die holder 10, and then flow out through the second liquid outlet pipe 42, thereby further accelerating the temperature reduction and improving the heat dissipation efficiency of the finished vehicle lamp.

[0027] In a possible implementation, the outer surface of the lower die holder 10 and / or the upper die holder 20 is provided with at least one injection hole 11, and the injection hole 11 is in communication with the molding space. It should be noted that, in the present embodiment, the outer surface of the lower die holder 10 and the upper die holder 20 is provided with two injection holes 11, so that the slurry can be injected into the injection holes 11 and into the molding space at the same time, which is beneficial to improving the molding efficiency and shortening the time consumption.

[0028] In a possible implementation, a plurality of guide columns 60 are further included, the guide columns 60 being distributed at the corners of the lower die holder 10 and extending vertically upward, and the corners of the upper die holder 20 being provided with guide holes 21 matched with the guide columns 60. In this way, the accuracy of the butt joint of the upper die holder 20 and the lower die holder 10 can be ensured, and the fast butt joint can be achieved without position deviation, thereby affecting the molding efficiency.

[0029] In a possible implementation, the outer edge of the lower end of the upper die holder 20 is provided with a butt joint groove 12, and the outer edge of the upper end of the lower die holder 10 is provided upward with a butt joint protrusion 22 matched with the butt joint groove 12. In this way, the butt joint can be positioned, and the close fit of the upper die holder 20 and the lower die holder 10 can be further ensured.

[0030] In a possible implementation, the front surface and the rear surface of the upper die holder 20 are provided with a holding frame 50, the holding frame 50 comprising two vertical bars 51 and a horizontal bar 52 located between the two vertical bars 51, the two vertical bars 51 being fixedly arranged on the outer surface of the upper die holder 20, and the two ends of the horizontal bar 52 being connected with the two vertical bars 51. In this way, when the upper die holder 20 and the lower die holder 10 are separated, the automatic lifting equipment can be gripped by the horizontal bar 52 and lifted upward, thereby the separation of the upper die holder 20 and the lower die holder 10 can be quickly achieved.

[0031] In a possible implementation, the lower surface of the lower die seat 10 is connected with a base for supporting the lower die seat 10. In this way, the base can ensure the flatness of the automobile lamp mold as a whole, avoiding the influence on the molding quality caused by the random movement in the molding process.

[0032] In a possible implementation, an exhaust valve is further included, the lower die seat 10 is provided with an exhaust hole in communication with the molding space, and the exhaust valve is arranged at the exhaust hole to exhaust the gas in the molding space. In this way, after the molding is completed, the gas in the molding space can be quickly exhausted by controlling the opening of the exhaust valve, avoiding the occurrence of safety problems.

[0033] The above description is only preferred embodiments of the present application, and it should be pointed out that, for ordinary skilled in the art, without departing from the technical principles of the present application, a number of improvements and substitutions can be made, and these improvements and substitutions should also be considered as the protection scope of the present application.

Claims

1. An automotive vehicle lamp mold characterized by, The lower die base and the upper die base are matched, the inside of the lower die base is defined to form a lower die cavity, the inside of the upper die base is defined to form an upper die cavity, and the upper die cavity and the lower die cavity jointly form a molding space for molding an automobile lamp when the upper die base and the lower die base are matched. The automobile lamp mold further comprises a cooling assembly, the cooling assembly comprises a first cooling unit, the first cooling unit comprises a first liquid inlet pipe and a first liquid outlet pipe which are arranged on the same side in parallel, the inside of the lower die base is provided with a first flow channel in the form of a ring along the circumference thereof, the first flow channel is located at the periphery of the lower die cavity, the first liquid inlet pipe penetrates through the lower die base and communicates with the first flow channel, and the first liquid outlet pipe penetrates through the lower die base and communicates with the first flow channel, so that the cooling liquid flowing into the first flow channel forms a flowing state.

2. The automotive vehicle lamp mold of claim 1, wherein, The cooling assembly further comprises a second cooling unit, the second cooling unit comprises a second liquid inlet pipe and a second liquid outlet pipe which are arranged on the same side in parallel, the inside of the upper die base is provided with a second flow channel in the form of a ring along the circumference thereof, the second flow channel is located at the periphery of the upper die cavity, the second liquid inlet pipe penetrates through the top of the upper die base and communicates with the second flow channel, and the second liquid outlet pipe penetrates through the top of the upper die base and communicates with the second flow channel, so that the cooling liquid flowing into the second flow channel forms a flowing state.

3. The automotive vehicle lamp mold of claim 2, wherein, The outer surface of the lower die base and / or the upper die base is provided with at least one injection hole which communicates with the molding space.

4. The automotive lamp mold of claim 1, wherein, A plurality of guide columns are further included, the guide columns are distributed at the corners of the lower die base and vertically extend upward, and the corners of the upper die base are provided with guide holes matched with the guide columns.

5. The automotive lamp mold of claim 4, wherein, The outer edge of the lower end of the upper die base is provided with a butt joint groove, and the outer edge of the upper end of the lower die base is provided upward with a butt joint protrusion matched with the butt joint groove.

6. The automotive lamp mold of claim 1, wherein, The front surface and the rear surface of the upper die base are both provided with a holding frame, the holding frame comprises two vertical bars and a horizontal bar between the two vertical bars, the two vertical bars are fixedly arranged on the outer surface of the upper die base in parallel, and the two ends of the horizontal bar are connected with the two vertical bars.

7. The automotive lamp mold of claim 1, wherein, The lower surface of the lower die base is connected with a base, and the base is used for supporting the lower die base.

8. The automotive vehicle lamp mold of claim 7, wherein, An exhaust valve is further included, the lower die base is provided with an exhaust hole which communicates with the molding space, and the exhaust valve is arranged at the exhaust hole to exhaust the gas in the molding space.