Automobile lamp injection mold with efficient demolding function

By designing an efficient mold release vehicle headlight injection mold with ejection device and limiting device, the problems of inconvenience and wear of mold release in the prior art are solved, and rapid mold release and service life of the mold are achieved.

CN222628461UActive Publication Date: 2025-03-18DONGGUAN BAIYOU PRECISION MOULD PLASTIC CO LTD
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Patent Information

Application Number
CN202421214344.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-05-30
Publication Date
2025-03-18
Estimated Expiration
2034-05-30

AI Technical Summary

Technical Problem

In the prior art, the mold release process of automotive headlight injection molds is inconvenient, which can easily lead to mold wear and damage to the internal model, affecting the service life of the mold.

Method used

设计了一种包括顶出装置和限位装置的高效脱模汽车车灯注塑模具。顶出装置通过电机驱动螺纹杆和圆盘,实现上模具的快速顶出和分离;限位装置通过移动滑杆和限位滑槽,确保模具在复位时准确插入,减少操作难度。

Benefits of technology

It realizes rapid mold release of the mold, reduces wear during the mold release process, extends the service life of the mold, and improves the safety and production quality of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222628461U_ABST
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Abstract

The utility model relates to the technical field of car lamp injection molds, in particular to an efficient demolding car lamp injection mold which comprises a lower mold and an ejection device, an upper mold is arranged on the surface of the lower mold, the ejection device is arranged on one side of the lower mold and comprises a sliding sleeve, and the sliding sleeve is fixedly connected with the lower mold. A fixing block is fixedly connected to the side, close to the threaded rod, of the upper mold; a disc is in threaded connection with the surface of the threaded rod; a connecting rod is fixedly connected to one side of the disc; a sliding sleeve is slidably connected to the side, away from the disc, of the connecting rod; the two sliding sleeves are arranged in a mirror symmetry mode, the mold can be conveniently and rapidly demolded, abrasion generated when the mold is demolded is reduced, the service life of the mold is prolonged, the safety of equipment is improved, the mold can be conveniently formed, and the production quality of products is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile lamp injection molds, in particular to an automobile lamp injection mold with high-efficiency demoulding. Background Art

[0002] Headlights are tools for lighting the road when vehicles are driving at night. They are also tools for issuing various vehicle driving signals. They are used to illuminate the road in front of the vehicle. There are different light sources such as halogen lamps, xenon lamps, LED lamps, etc., which provide good lighting effects and ensure nighttime driving safety. In the process of manufacturing, most car headlights are molded by injection molds.

[0003] The inventor found in his daily work that in the process of mold demolding, using traditional tools to lift the mold to demold it is easy to cause wear of the mold, affecting the service life of the mold, and easily damaging the internal headlight model. In order to solve the problem of inconvenient mold demolding and affecting the service life of the mold, the existing technology uses tools such as crowbars for processing, but it is easy to damage the mold, affecting the service life of the mold, and thus causing the mold to be inconvenient to use. Utility Model Content

[0004] The utility model aims to solve the shortcomings of the prior art that the mold is inconvenient to demould and the service life of the mold is affected, and proposes an automobile headlight injection mold with high efficiency demoulding.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an efficient demolding automobile headlight injection mold, comprising a lower mold and an ejection device, an upper mold is arranged on the surface of the lower mold, the ejection device is arranged on one side of the lower mold, the ejection device comprises a sliding sleeve, the sliding sleeve is fixedly connected to the lower mold, a fastening sleeve is installed on the surface of the lower mold, a motor is installed on the inner wall of the fastening sleeve, a threaded rod is fixedly connected to the driving end of the motor, a fixing block is fixedly connected to the side of the upper mold close to the threaded rod, a disc is threadedly connected to the surface of the threaded rod, and a connecting rod is fixedly connected to one side of the disc. By arranging the ejection device, rapid demolding is facilitated, the stability of the equipment is increased, the damage of the mold is reduced, and the service life of the equipment is improved.

[0006] Preferably, the side of the connecting rod away from the disc is slidably connected to the sliding sleeve. There are two sliding sleeves, which are arranged in a mirror-symmetrical manner. By setting the disc, it is convenient to eject and separate the upper mold, which increases the usability of the equipment and reduces the difficulty of operating the equipment.

[0007] Preferably, a hole is opened on the surface of the fixed block, and the threaded rod is inserted into the hole on the surface of the fixed block. By setting the threaded rod, when in use, the threaded rod is convenient for driving the disc to eject the upper mold, thereby increasing the stability of the equipment and reducing the difficulty of operating the equipment.

[0008] Preferably, the disc is arranged on the lower surface of the fixed block, and the connecting rod is arranged in an "L" shape. By arranging the connecting rod, it is convenient to drive the disc to slide, thereby increasing the stability of the equipment, reducing the difficulty of operating the equipment, and facilitating use.

[0009] Preferably, a limiting device is provided on one side of the lower mold, and the limiting device includes a movable slide rod, which is fixedly connected to the upper mold, and a limiting slide groove is provided on the side of the lower mold close to the movable slide rod. The surface of the limiting slide groove is provided with an oblique opening, and the lower surface of the movable slide rod is provided with an oblique angle. By providing the limiting device, it is convenient to provide limiting support for the mold, which increases the safety of the equipment, facilitates the smooth movement of the mold, and increases the ease of use of the equipment.

[0010] Preferably, the bevel is abutted against the bevel, and the movable slide rod is inserted into the limiting slide groove. By setting the bevel, it is convenient to accurately insert the movable slide rod into the limiting slide groove when the mold is reset, thereby improving the stability of the equipment and facilitating use.

[0011] Preferably, there are four movable slide bars, which are arranged on the lower surface of the upper mold and are arranged in a mirror-symmetrical manner. By arranging the movable slide bars, it is convenient to slide with the upper mold, the molds can be separated conveniently, and the usability of the equipment is increased.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] The utility model discloses a motor that starts when demoulding by arranging an ejection device and a limiting device. At the time of demoulding, the motor drives the threaded rod to rotate. The threaded rod rotates and drives the disc to slide upward. The disc slides upward and lifts up the fixed block. At the same time, the moving slide rod cooperates with the disc to slide upward along the limiting slide groove. When the upper mold is separated from the lower mold and demoulding is completed, the motor rotates in the opposite direction to drive the threaded rod to drive the disc to reset, and the upper mold is reinserted into the lower mold. The fixed block is inserted into the threaded rod, and the moving slide rod is inserted into the limiting slide groove to reset. Then injection molding can be performed again. By arranging the utility model, it is convenient to quickly demould the mold, which reduces the wear and tear of the mold during demoulding, increases the service life of the mold, improves the safety of the equipment, facilitates the molding of the mold, and improves the production quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 The utility model provides a three-dimensional structural schematic diagram of an automobile headlight injection mold with high-efficiency demoulding;

[0015] Figure 2 The utility model provides a schematic diagram of the side structure of an efficient demoulding injection mold for automobile lights;

[0016] Figure 3The utility model provides a schematic diagram of the structure of an ejector device for an automobile headlight injection mold with high efficiency demoulding;

[0017] Figure 4 The utility model proposes a highly efficient demoulding automobile headlight injection mold Figure 3 A schematic diagram of the enlarged structure at point A;

[0018] Figure 5 The utility model provides a schematic structural diagram of a limiting device for an injection mold of an automobile lamp with high-efficiency demoulding.

[0019] Legend: 1. Lower mold; 2. Upper mold; 3. Ejector device; 31. Sliding sleeve; 32. Fastening sleeve; 33. Motor; 34. Threaded rod; 35. Disc; 36. Fixed block; 37. Connecting rod; 4. Limiting device; 41. Bevel; 42. Limiting slide groove; 43. Moving slide rod; 44. Bevel. DETAILED DESCRIPTION

[0020] See also Figure 1-5 The utility model provides a technical solution: an efficient demoulding automobile lamp injection mold, comprising a lower mold 1 and an ejector 3, an upper mold 2 is arranged on the surface of the lower mold 1, and the ejector 3 is arranged on one side of the lower mold 1.

[0021] The specific arrangement and function of the ejection device 3 and the limiting device 4 will be described in detail below.

[0022] In this embodiment: the ejection device 3 includes a sliding sleeve 31, the sliding sleeve 31 is fixedly connected to the lower mold 1, a fastening sleeve 32 is installed on the surface of the lower mold 1, a motor 33 is installed on the inner wall of the fastening sleeve 32, a threaded rod 34 is fixedly connected to the driving end of the motor 33, a fixed block 36 is fixedly connected to the side of the upper mold 2 close to the threaded rod 34, a disc 35 is threadedly connected to the surface of the threaded rod 34, and a connecting rod 37 is fixedly connected to one side of the disc 35. By setting the ejection device 3, rapid demoulding is facilitated, the stability of the equipment is increased, the damage of the mold is reduced, and the service life of the equipment is increased.

[0023] Specifically, the connecting rod 37 is slidably connected to the sleeve 31 on one side away from the disc 35. There are two sleeves 31, and the two sleeves 31 are arranged in a mirror-symmetrical manner. By setting the disc 35, it is convenient to eject and separate the upper mold 2, which increases the usability of the equipment and reduces the difficulty of operating the equipment.

[0024] Specifically, a hole 1 is opened on the surface of the fixed block 36, and the threaded rod 34 is inserted into the hole 1 on the surface of the fixed block 36. By setting the threaded rod 34, when in use, the threaded rod 34 is convenient for driving the disc 35 to eject the upper mold 2, which increases the stability of the equipment and reduces the difficulty of operating the equipment.

[0025] Specifically, the disc 35 is disposed on the lower surface of the fixing block 36, and the connecting rod 37 is disposed in an "L" shape.

[0026] In this embodiment, the connecting rod 37 is provided to facilitate the sliding of the disc 35, thereby increasing the stability of the device, reducing the difficulty of operating the device, and facilitating use.

[0027] Specifically, a limiting device 4 is provided on one side of the lower mold 1, and the limiting device 4 includes a movable slide rod 43, and the movable slide rod 43 is fixedly connected to the upper mold 2. A limiting slide groove 42 is provided on one side of the lower mold 1 close to the movable slide rod 43, and a bevel 41 is provided on the surface of the limiting slide groove 42, and a bevel 44 is provided on the lower surface of the movable slide rod 43.

[0028] In this embodiment, by providing the limiting device 4, it is convenient to provide limiting support for the mold, thereby increasing the safety of the equipment, facilitating the smooth movement of the mold, and increasing the usability of the equipment.

[0029] Specifically, the bevel 44 abuts against the bevel 41, and the movable slide rod 43 is inserted into the limiting slide groove 42. By setting the bevel 44, it is convenient to accurately insert the movable slide rod 43 into the limiting slide groove 42 when the mold is reset, thereby improving the stability of the equipment and facilitating use.

[0030] Specifically, there are four movable slide bars 43 , and the four movable slide bars 43 are arranged on the lower surface of the upper mold 2 and are arranged in a mirror-symmetrical manner.

[0031] In this embodiment, the movable slide rod 43 is provided to facilitate the sliding of the upper mold 2, so that the molds can be separated easily, thereby increasing the usability of the device.

[0032] Working principle: by setting the ejection device 3 and the limiting device 4, when demoulding, the motor 33 is started, and the motor 33 drives the threaded rod 34 to rotate. The threaded rod 34 rotates and drives the disc 35 to slide upward. The disc 35 slides upward and lifts the fixed block 36. At this time, the moving slide bar 43 cooperates with the disc 35 to slide upward along the limiting slide groove 42. When the upper mold 2 is separated from the lower mold 1 to complete demoulding, the motor 33 rotates in the opposite direction to drive the threaded rod 34 to drive the disc 35 to reset, and the upper mold 2 is reinserted into the lower mold 1. The fixed block 36 is inserted into the threaded rod 34, and the moving slide bar 43 is inserted into the limiting slide groove 42 to reset, and injection molding can be performed again. By setting the utility model, it is convenient to quickly demould the mold, reduce the wear and tear of the mold during demoulding, increase the service life of the mold, improve the safety of the equipment, facilitate mold molding, and improve the production quality of the product.

Claims

1. An efficient demoulding automobile lamp injection mold, comprising a lower mold (1) and an ejection device (3), characterized in that: An upper mold (2) is arranged on the surface of the lower mold (1); the ejection device (3) is arranged on one side of the lower mold (1); the ejection device (3) comprises a sliding sleeve (31); the sliding sleeve (31) is fixedly connected to the lower mold (1); a fastening sleeve (32) is installed on the surface of the lower mold (1); a motor (33) is installed on the inner wall of the fastening sleeve (32); a threaded rod (34) is fixedly connected to the driving end of the motor (33); a fixing block (36) is fixedly connected to the side of the upper mold (2) close to the threaded rod (34); a disc (35) is threadedly connected to the surface of the threaded rod (34); and a connecting rod (37) is fixedly connected to one side of the disc (35).

2. The highly efficient demoulding automobile lamp injection mold according to claim 1, characterized in that: The side of the connecting rod (37) away from the disc (35) is slidably connected to the sliding sleeve (31), and there are two sliding sleeves (31), which are arranged in a mirror-symmetrical manner.

3. The highly efficient demoulding automobile lamp injection mold according to claim 1, characterized in that: A hole one is provided on the surface of the fixing block (36), and the threaded rod (34) is inserted into the hole one on the surface of the fixing block (36).

4. The highly efficient demoulding automobile lamp injection mold according to claim 1, characterized in that: The disc (35) is disposed on the lower surface of the fixed block (36), and the connecting rod (37) is disposed in an "L" shape.

5. The highly efficient demoulding automobile lamp injection mold according to claim 1, characterized in that: A limiting device (4) is provided on one side of the lower mold (1), the limiting device (4) comprising a movable slide bar (43), the movable slide bar (43) being fixedly connected to the upper mold (2), a limiting slide groove (42) being provided on one side of the lower mold (1) close to the movable slide bar (43), a bevel (41) being provided on the surface of the limiting slide groove (42), and a bevel (44) being provided on the lower surface of the movable slide bar (43).

6. The highly efficient demoulding automobile lamp injection mold according to claim 5, characterized in that: The oblique angle (44) abuts against the oblique opening (41), and the movable slide bar (43) is inserted into the limiting slide groove (42).

7. The highly efficient demoulding automobile lamp injection mold according to claim 5, characterized in that: There are four movable slide bars (43), and the four movable slide bars (43) are arranged on the lower surface of the upper mold (2) and are arranged in a mirror-symmetrical manner.