A precise injection mold for an automobile rear lamp decoration frame

Abstract

The utility model relates to the technical field of automobile manufacturing discloses a kind of precision injection mould of automobile rear tail lamp decorative frame, including fixed mould assembly, the fixed mould assembly includes fixed mould body, injection port is set in the central position of fixed mould body interior, embedding hole is set in the four corners of fixed mould body interior.The utility model is operated through the mechanical locking structure of embedding block and embedding hole, drives the accurate alignment and the locking generation of fixed mould assembly and movable mould assembly, to realize the improvement of mould assembly precision and the guarantee of forming stability, simultaneously, the close cooperation of sealing plug and sealing groove effectively prevents the leakage of molten material in injection molding process, ensures the stability and consistency of product forming quality, and through the operation of linkage structure of cylinder driving connecting plate and push plate, drives the automatic ejection and the generation of safe mould-release of decorative frame after forming, to realize the efficient, reliable mould-release process.

Description

Technical Field

[0001] This utility model relates to the field of automobile manufacturing technology, and in particular to a precision injection mold for a taillight decorative frame. Background Technology

[0002] With the development of the automotive industry and consumers' requirements for appearance quality, the high-precision injection molding process of automotive taillight decorative frames requires strict control and optimization of the sealing of molten material, molding accuracy and demolding efficiency, which requires the use of injection molds.

[0003] In practical use, injection molds with similar structures still have many defects, such as: traditional injection molds have insufficient sealing, which leads to leakage of molten material; at the same time, traditional injection molds have low demolding efficiency and are prone to product damage. Therefore, it is necessary to design a precision injection mold for automotive taillight decorative frames. Utility Model Content

[0004] To solve the above-mentioned technical problems, this utility model provides a precision injection mold for automotive taillight decorative frames.

[0005] This utility model is achieved using the following technical solution: a precision injection mold for a car taillight decorative frame, comprising a fixed mold assembly, wherein the fixed mold assembly includes a fixed mold body, an injection port is provided at the center of the interior of the fixed mold body, and embedding holes are provided at the four corners of the interior of the fixed mold body, and further comprising:

[0006] A movable mold assembly includes a movable mold body inserted into an embedding hole, a forming groove being formed inside the movable mold body, a buffer groove being formed at the rear end of the movable mold body, and a guide rod being fixedly connected to the inner wall of the buffer groove.

[0007] The ejection assembly includes a connecting plate slidably installed inside a guide rod, and a push plate is fixedly connected to one side of the connecting plate via a push rod. The push plate is disposed inside the forming groove.

[0008] As a further improvement to the above solution, a sealing plug is fixedly connected to the inner wall of the fixed mold body, and a first movable hole is opened on one side of the embedded hole inside the fixed mold body.

[0009] The above technical solution effectively prevents leakage of molten material during injection molding by ensuring the tight fit between the sealing plug and the sealing groove of the movable mold body, thus ensuring the stability and consistency of product molding quality.

[0010] As a further improvement to the above solution, a sealing groove is provided at the central position inside the movable mold body, and a forming groove is provided inside the sealing groove. The sealing groove and the sealing plug are matched, and an embedded block is fixedly connected to the inner wall of the sealing groove.

[0011] Through the above technical solution, the cooperation between the sealing groove and the sealing plug further enhances the sealing performance of the mold, prevents leakage of molten material, and improves molding stability.

[0012] As a further improvement to the above solution, the embedded block is matched with the second movable hole, and a second movable hole is provided on one side of the embedded block, which is opened inside the movable mold body, and the second movable hole is matched with the first movable hole.

[0013] Through the above technical solution, the cooperation between the embedded block and the second movable hole enables precise alignment of the fixed mold assembly and the movable mold assembly, ensuring the assembly accuracy and stability of the mold.

[0014] As a further improvement to the above solution, a protective frame is fixedly connected to the rear end of the movable mold body, a cylinder is fixedly connected to the inner wall of the protective frame, a connecting plate is fixedly connected to the output end of the cylinder, and the connecting plate is slidably installed on the outer surface of the guide rod.

[0015] Through the above technical solution, the operation of the cylinder-driven connecting plate leads to the automatic ejection and safe demolding of the molded decorative frame, thereby achieving an efficient and reliable demolding process.

[0016] As a further improvement to the above solution, a spring damper is fixedly connected to the outer surface of the connecting plate, and the side of the spring damper away from the connecting plate is fixedly connected to the inner wall of the buffer groove.

[0017] Through the above technical solution, the buffering effect of the spring damper ensures the smooth movement of the connecting plate and the push plate, avoids damage to the decorative frame caused by excessive cylinder force, extends the service life of the mold and the product, and reduces production risks.

[0018] As a further improvement to the above solution, a push rod is fixedly connected to the center of the outer surface of the connecting plate, and a push plate is fixedly connected to one side of the push rod. The push plate is slidably installed inside the forming groove.

[0019] Through the above technical solution, the linkage design of the push rod and the push plate realizes the automatic ejection of the decorative frame after molding, which simplifies the demolding process and improves production efficiency.

[0020] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0021] This invention utilizes the mechanical locking structure of the embedded block and the embedded hole to achieve precise alignment and locking between the fixed mold assembly and the movable mold assembly, thereby improving the mold assembly accuracy and ensuring molding stability. At the same time, the tight fit between the sealing plug and the sealing groove effectively prevents leakage of molten material during injection molding, ensuring the stability and consistency of product molding quality.

[0022] This invention utilizes a cylinder-driven linkage structure between the connecting plate and the push plate to automatically eject and safely demold the molded decorative frame, thereby achieving an efficient and reliable demolding process. Furthermore, the buffering effect of the spring damper ensures the smooth movement of the connecting plate and the push plate, preventing damage to the decorative frame caused by excessive cylinder force, extending the service life of the mold and the product, and reducing production risks. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0024] Figure 2 This is a schematic diagram of the overall internal structure of this utility model;

[0025] Figure 3 This is a schematic diagram of the fixed mold assembly structure of this utility model;

[0026] Figure 4 This is a schematic diagram of the demolding component structure of this utility model;

[0027] Figure 5 This utility model Figure 4 Enlarged schematic diagram of the structure at point A in the middle.

[0028] Explanation of key symbols:

[0029] 1. Fixed mold assembly; 101. Fixed mold body; 102. Sealing plug; 103. Injection port; 104. Embedding hole; 105. First movable hole; 2. Movable mold assembly; 201. Movable mold body; 202. Sealing groove; 203. Molding groove; 204. Embedding block; 205. Second movable hole; 206. Buffer groove; 207. Guide rod; 3. Demolding assembly; 301. Protective frame; 302. Cylinder; 303. Connecting plate; 304. Spring damper; 305. Push rod; 306. Push plate. Detailed Implementation

[0030] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0031] Example:

[0032] Please combine Figure 1-5 This embodiment of a precision injection mold for a car taillight decorative frame includes a fixed mold assembly 1, which includes a fixed mold body 101. An injection port 103 is provided at the center of the fixed mold body 101, and insertion holes 104 are provided at the four corners of the fixed mold body 101. It also includes:

[0033] The movable mold assembly 2 includes a movable mold body 201 inserted into the embedded hole 104. The movable mold body 201 has a forming groove 203 inside and a buffer groove 206 at the rear end. A guide rod 207 is fixedly connected to the inner wall of the buffer groove 206.

[0034] The ejection assembly 3 includes a connecting plate 303 that is slidably installed inside the guide rod 207. A push plate 306 is fixedly connected to one side of the connecting plate 303 via a push rod 305. The push plate 306 is disposed inside the forming groove 203.

[0035] A sealing plug 102 is fixedly connected to the inner wall of the fixed mold body 101, and a first movable hole 105 is opened inside the fixed mold body 101 on one side of the embedded hole 104.

[0036] A sealing groove 202 is provided in the center of the interior of the active mold body 201. A forming groove 203 is provided inside the sealing groove 202. The sealing groove 202 is matched with the sealing plug 102. An embedded block 204 is fixedly connected to the inner wall of the sealing groove 202.

[0037] The embedded block 204 is matched with the second movable hole 205. The embedded block 204 has a second movable hole 205 opened inside the movable mold body 201 on one side. The second movable hole 205 is matched with the first movable hole 105.

[0038] The sealing plug 102 fits tightly with the sealing groove 202 of the movable mold body 201 to ensure the sealing between the two and prevent leakage of molten material during injection molding. This not only improves the assembly accuracy of the mold, but also ensures the stability of the injection molding process and the product molding quality.

[0039] A protective frame 301 is fixedly connected to the rear end of the movable mold body 201. A cylinder 302 is fixedly connected to the inner wall of the protective frame 301. A connecting plate 303 is fixedly connected to the output end of the cylinder 302. The connecting plate 303 is slidably installed on the outer surface of the guide rod 207.

[0040] A spring damper 304 is fixedly connected to the outer surface of the connecting plate 303, and the side of the spring damper 304 away from the connecting plate 303 is fixedly connected to the inner wall of the buffer groove 206.

[0041] A push rod 305 is fixedly connected to the center of the outer surface of the connecting plate 303, and a push plate 306 is fixedly connected to one side of the push rod 305. The push plate 306 is slidably installed inside the forming groove 203.

[0042] The buffering effect of the spring damper 304 ensures the smooth movement of the connecting plate 303 and the push plate 306, avoiding damage to the decorative frame due to excessive force from the cylinder 302, and achieving an efficient and safe demolding process.

[0043] The implementation principle of a precision injection mold for a car taillight decorative frame in this application embodiment is as follows: by inserting the embedding block 204 into the embedding hole 104 of the fixed mold body 101, the fixed mold assembly 1 and the movable mold assembly 2 are precisely locked. At the same time, the sealing plug 102 and the sealing groove 202 of the movable mold body 201 are tightly fitted to ensure the sealing between the two and prevent the leakage of molten material during the injection process. This not only improves the assembly accuracy of the mold, but also ensures the stability of the injection process and the product molding quality.

[0044] During injection molding, molten material is injected into the molding groove 203 of the movable mold body 201 through the injection port 103 in the center of the fixed mold body 101. The decorative frame is formed in a sealed environment. After the molding is completed, the fixed mold assembly 1 and the movable mold assembly 2 are unlocked. Under the push of the cylinder 302, the connecting plate 303 drives the push plate 306 through the push rod 305 to push the molded decorative frame out of the molding groove 203. The buffering effect of the spring damper 304 ensures the smooth movement of the connecting plate 303 and the push plate 306, avoiding damage to the decorative frame due to excessive force of the cylinder 302, and realizing an efficient and safe demolding process.

[0045] The above embodiments are merely preferred embodiments of this utility model and should not be construed as limiting the scope of protection of this utility model. Any non-substantial changes and substitutions made by those skilled in the art based on this utility model shall fall within the scope of protection claimed by this utility model.

Claims

1. A precise injection mold for an automobile rear lamp decoration frame, comprising a fixed mold assembly (1), wherein the fixed mold assembly (1) comprises a fixed mold body (101), a injection port (103) is arranged at the central position inside the fixed mold body (101), and an embedding hole (104) is arranged at each corner inside the fixed mold body (101), characterized in that, Also includes: The movable mold assembly (2) includes a movable mold body (201) inserted into the embedding hole (104), the movable mold body (201) has a forming groove (203) inside, the movable mold body (201) has a buffer groove (206) at the rear end, and a guide rod (207) is fixedly connected to the inner wall of the buffer groove (206). The ejection assembly (3) includes a connecting plate (303) slidably installed inside the guide rod (207). A push plate (306) is fixedly connected to one side of the connecting plate (303) via a push rod (305). The push plate (306) is disposed inside the forming groove (203).

2. The precise injection mold for the automobile rear lamp decoration frame as claimed in claim 1, wherein: A sealing plug (102) is fixedly connected to the inner wall of the fixed mold body (101), and a first movable hole (105) is opened inside the fixed mold body (101) on one side of the embedded hole (104).

3. The precision injection mold for a car taillight decorative frame as described in claim 1, characterized in that: A sealing groove (202) is provided at the center of the interior of the movable mold body (201). A forming groove (203) is provided inside the sealing groove (202). The sealing groove (202) matches the sealing plug (102). An embedded block (204) is fixedly connected to the inner wall of the sealing groove (202).

4. The precise injection mold for the automobile rear lamp decoration frame as claimed in claim 3, wherein: The embedded block (204) is matched with the second movable hole (205). The embedded block (204) has a second movable hole (205) opened inside the movable mold body (201) on one side. The second movable hole (205) is matched with the first movable hole (105).

5. A precision injection mold for a car taillight decorative frame as described in claim 1, characterized in that: The rear end of the movable mold body (201) is fixedly connected to a protective frame (301), the inner wall of the protective frame (301) is fixedly connected to a cylinder (302), the output end of the cylinder (302) is fixedly connected to a connecting plate (303), and the connecting plate (303) is slidably installed on the outer surface of the guide rod (207).

6. The precise injection mold for the automobile rear lamp decoration frame as claimed in claim 5, wherein: A spring damper (304) is fixedly connected to the outer surface of the connecting plate (303), and the side of the spring damper (304) away from the connecting plate (303) is fixedly connected to the inner wall of the buffer groove (206).

7. The precise injection mold for the automobile rear lamp decoration frame as claimed in claim 6, wherein: A push rod (305) is fixedly connected to the center of the outer surface of the connecting plate (303), and a push plate (306) is fixedly connected to one side of the push rod (305). The push plate (306) is slidably installed inside the forming groove (203).

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